CN110043685A - Power distributes check (non-return) valve and kitchen ventilator - Google Patents

Power distributes check (non-return) valve and kitchen ventilator Download PDF

Info

Publication number
CN110043685A
CN110043685A CN201910437134.2A CN201910437134A CN110043685A CN 110043685 A CN110043685 A CN 110043685A CN 201910437134 A CN201910437134 A CN 201910437134A CN 110043685 A CN110043685 A CN 110043685A
Authority
CN
China
Prior art keywords
return
moving part
valve
hose
check
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.)
Pending
Application number
CN201910437134.2A
Other languages
Chinese (zh)
Inventor
任富佳
黄一闻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Robam Appliances Co Ltd
Original Assignee
Hangzhou Robam Appliances Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Robam Appliances Co Ltd filed Critical Hangzhou Robam Appliances Co Ltd
Priority to CN201910437134.2A priority Critical patent/CN110043685A/en
Publication of CN110043685A publication Critical patent/CN110043685A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • F16K7/08Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by twisting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2021Arrangement 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 present invention relates to valve technology field more particularly to a kind of power distribution check (non-return) valves and kitchen ventilator.It includes ventilation valve body, hose and moving part that power, which distributes check (non-return) valve,;Hose includes rotation section and fixed section, and ventilation valve body has penetrating cavity;Fixed section is fixedly connected in penetrating cavity, and rotation section is fixedly connected with moving part;Moving part is for driving rotation section to rotate relative to fixed section, and torsional deformation can be generated by making to rotate between section and fixed section, to adjust hose in the size of the opening in torsional deformation region.Kitchen ventilator includes above-mentioned power distribution check (non-return) valve.Power provided by the invention distribution check (non-return) valve and kitchen ventilator, be not only adjustable by air quantity, and sealing effect is preferable when completely closing, and is installed in the air hose of kitchen ventilator, can prevent the effect of oil smoke taint of odour well.

Description

Power distributes check (non-return) valve and kitchen ventilator
Technical field
The present invention relates to valve technology field more particularly to a kind of power distribution check (non-return) valves and kitchen ventilator.
Background technique
Currently, many families can all install kitchen ventilator in kitchen, power generally can be all installed in the air hose of kitchen ventilator Distribute check (non-return) valve.
Valve metal film is provided in existing power distribution check (non-return) valve mostly, and is opened using electric power or mechanical power drive valve block Or close, realize that power distributes the one-way sealing of check (non-return) valve by closing valve block.However, this power on existing kitchen ventilator All there is structure interval in distribution check (non-return) valve, poor sealing effect is easy to produce back cigarette taint of odour at valve block.
To sum up, how to overcome the drawbacks described above of existing power distribution check (non-return) valve is that those skilled in the art are urgently to be resolved Technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of power distribution check (non-return) valve and kitchen ventilators, to alleviate oil smoke in the prior art The technical issues of poor sealing effect existing for power distribution check (non-return) valve on machine.
Power distribution check (non-return) valve provided by the invention includes ventilation valve body, hose and moving part;
Wherein, the hose includes rotation section and fixed section, and the ventilation valve body has penetrating cavity;The fixed section is solid Surely it is connected in the penetrating cavity, the rotation section is fixedly connected with the moving part.
The moving part for driving the rotation section to rotate relative to the fixed section, make the rotation section with it is described solid Determine that torsional deformation can be generated between section, to adjust the hose in the size of the opening in torsional deformation region.
Preferably, as an embodiment, the moving part is cyclic structure, and the moving part rotatably connects It is connected to one end of the ventilation valve body.
Preferably, as an embodiment, the moving part when rotated can be along the axial direction of the ventilation valve body It is mobile.
It preferably, as an embodiment, is to be threadedly coupled between the moving part and the ventilation valve body.
Preferably, as an embodiment, the rotation section forms the first horn mouth in the torsional deformation region Structure, the fixed section form the second bell-mouth structure of air in the torsional deformation region.
The big end of first bell-mouth structure of air and the big end of second bell-mouth structure of air mutually deviate from, the opening position In the junction of first bell-mouth structure of air and second bell-mouth structure of air.
Preferably, as an embodiment, the hose uses oil resistant, heatproof, wear-resisting and high elastic strength material Matter.
Preferably, as an embodiment, the power distribution check (non-return) valve further includes driving device, the driving dress It sets and is connect with the moving part, for driving the moving part to rotate relative to the ventilation valve body.
Preferably, as an embodiment, power distribution check (non-return) valve further includes controller, the controller with The driving device electrical connection, for controlling the start and stop of the driving device.
Preferably, as an embodiment, the driving device includes motor and transmission component, the motor it is defeated The input terminal of shaft and the transmission component is sequentially connected, and the output end of the transmission component and the moving part are sequentially connected.
Correspondingly, the present invention also provides a kind of kitchen ventilator, including kitchen ventilator ontology and above-mentioned power distribute check (non-return) valve.
Air hose is provided on the kitchen ventilator ontology, the ventilation valve seal is fixed in the air hose.
Compared with the prior art, the advantages of the present invention are as follows:
Power provided by the invention distributes check (non-return) valve, is provided with ventilation valve body, hose and moving part, and hose includes rotation Section and fixing end, ventilation valve body have penetrating cavity;Wherein, the fixed section of hose is fixedly connected on the ventilation penetrating cavity of valve body In, rotation section is fixedly connected with moving part.
Because hose has certain flexibility, therefore, when divulging information valve body fixed setting, moving part is rotated, at this point, interlocking The rotation section that part is just able to drive hose is rotated relative to fixed section, in turn, just can between the rotation section and fixed section of hose Torsional deformation is generated, will appear the region of a torsional deformation in the rotation section of hose and the joint of fixed section, which becomes The middle opening in shape region can change with hose twist degree.It is distributed when needing to be in the power under full open position When check (non-return) valve turns down, moving part is rotated, drives the rotation section of hose in the raw facing one direction using moving part Rotation, it is empty that hose will form a rotation between the outside in its torsional deformation region and the inside of the penetrating cavity for valve body of divulging information Between, during moving part rotation, which can compress from penetrating cavity towards the center position of hose, become distortion The opening in shape region is gradually reduced, this process power distribution check (non-return) valve is in half-open position, when opening area reaches need of work Size, the rotation of moving part can be stopped;When the opening in the torsional deformation region of hose completely disappears, power distribution is non-return Valve is in the completely closed state, and the torsional deformation region of hose there's almost no gap, and sealing function is good, the gas at hose both ends Stream is just obstructed well;When needing enlarged opening area, moving part can be driven rotation section rotate in the opposite direction, During this, the rotation between the inside of the penetrating cavity of the outside in the torsional deformation region in hose and valve body of divulging information is empty Between, it will be compressed from the center of hose towards penetrating cavity direction, the opening in torsional deformation region is gradually expanded, until opening Area reaches the size of need of work, can stop the rotation of moving part.
Therefore, power provided by the invention distributes check (non-return) valve, be not only adjustable by air quantity, and while completely closing, is close It is preferable to seal effect, is installed in the air hose of kitchen ventilator, oil smoke taint of odour can be prevented well.
The present invention also provides a kind of kitchen ventilators comprising and there is kitchen ventilator ontology, is provided with air hose on kitchen ventilator ontology, Above-mentioned power distribution check (non-return) valve is installed in air hose, the ventilation valve seal of power distribution check (non-return) valve is fixed in air hose.
Therefore, kitchen ventilator provided by the invention, the ventilation quantity being not only adjustable in air hose, and check (non-return) valve is distributed in power Sealing effect is preferable when completely closing, and can prevent oil smoke taint of odour well.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the side view structure that power provided in an embodiment of the present invention distributes when check (non-return) valve is in full open position is illustrated Figure;
Fig. 2 is distributed for power provided in an embodiment of the present invention in Fig. 1 and is faced knot when check (non-return) valve is in full open position Structure schematic diagram;
Fig. 3 is side structure schematic view when power provided in an embodiment of the present invention distribution check (non-return) valve is in half-open position;
The facing structure that Fig. 4 distributes when check (non-return) valve is in half-open position for power provided in an embodiment of the present invention in Fig. 3 is shown It is intended to;
Fig. 5 is in knot when half-open position for the hose that power provided in an embodiment of the present invention in Fig. 3 distributes in check (non-return) valve Structure schematic diagram;
Fig. 6 is side view structure signal when power provided in an embodiment of the present invention distribution check (non-return) valve is in the completely closed state Figure;
Fig. 7 faces knot when in the completely closed state for power distribution check (non-return) valve provided in an embodiment of the present invention in Fig. 6 Structure schematic diagram;
When Fig. 8 is in the completely closed state for the hose in power distribution check (non-return) valve provided in an embodiment of the present invention in Fig. 6 Structural schematic diagram.
Icon: 1- ventilation valve body;2- hose;3- moving part;
21- rotates section;22- fixed section;23- opening.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " center ", "inner", "outside" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage Solution is limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and it should not be understood as instruction or dark Show relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " connects Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected;It can be machine Tool connection, is also possible to be electrically connected;It can be directly connected, two members can also be can be indirectly connected through an intermediary Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition Concrete meaning.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1-Fig. 8, a kind of power distribution check (non-return) valve is present embodiments provided, ventilation valve body 1,2 and of hose are provided with Moving part 3, hose 2 include rotation section 21 and fixing end, and ventilation valve body 1 has penetrating cavity;Wherein, the fixed section of hose 2 22 are fixedly connected in the ventilation penetrating cavity of valve body 1, and rotation section 21 is fixedly connected with moving part 3.
Because hose 2 has certain flexibility, therefore, when valve body 1 of divulging information is fixedly installed, moving part 3 is rotated, at this point, The rotation section 21 that moving part 3 is just able to drive hose 2 is rotated relative to fixed section 22, in turn, the rotation section 21 and fixation of hose 2 Torsional deformation just can be generated between section 22, will appear a distortion in the rotation section 21 of hose 2 and the joint of fixed section 22 The middle opening 23 in the region of deformation, the torsional deformation region can change with 2 degreeof tortuosity of hose.When needs will be in When power distribution check (non-return) valve under full opening state (referring to Fig. 1-Fig. 2) turns down, moving part 3 is rotated, is driven using moving part 3 The rotation section 21 of hose 2 in the raw rotates facing one direction, and hose 2 is in the outside in its torsional deformation region and logical It will form a revolution space between the inside of the penetrating cavity of air-valve body 1, during moving part 3 rotates, the rotation is empty Between can be compressed from penetrating cavity towards the center position of hose 2, so that the opening 23 in torsional deformation region is gradually reduced, this process is dynamic Power distribution check (non-return) valve is in half-open position (referring to Fig. 3-Fig. 5), when 23 areas that are open reach the size of need of work, Ji Keting The only rotation of moving part 3;When the opening 23 in the torsional deformation region of hose 2 completely disappears, power distribution check (non-return) valve has been in Full closing state (referring to Fig. 6-Fig. 8), the torsional deformation region of hose 2 there's almost no gap, and sealing function is good, hose 2 The air-flow at both ends is just obstructed well;When needing 23 area of enlarged opening, moving part 3 can be driven rotation section 21 towards opposite Direction rotation, in the process, in the penetrating cavity of the outside in the torsional deformation region in hose 2 and ventilation valve body 1 Revolution space between side will compress from the center of hose 2 towards penetrating cavity direction, make the opening 23 in torsional deformation region It is gradually expanded, until being open, 23 areas reach the size of need of work, can stop the rotation of moving part 3.
Therefore, power provided in this embodiment distributes check (non-return) valve, be not only adjustable by air quantity, and when completely closing Sealing effect is preferable, is installed in the air hose of kitchen ventilator, can prevent oil smoke taint of odour well.
Specifically, moving part can be set to cyclic structure, and moving part is pivotably coupled to the one of ventilation valve body End, so that moving part can improve stability when moving part rotation around ventilation valve body rotation.
It preferably, can also be along the axial movement of ventilation valve body 1, the i.e. rotation of moving part 3 while moving part 3 rotates Track similar to spiral shape, thus, when hose 2 is distorted and deforms, the rotation section 21 being connected on moving part 3 just can be to fixation Section is 22 close, and reduce that hose 2 generates by torsional deformation pulls power, prevent hose 2 because pull power it is too big due to damage, extension The service life of hose 2;In addition, the pullling power and also can accordingly reduce to moving part 3 and ventilation valve body 1 of hose 2, improves soft Connective stability between the rotation section 21 and moving part 3 of pipe 2 and between the fixed section 22 of hose 2 and ventilation valve body 1.
Specifically, it can will be connected with each other, can be made by the way of being threadedly coupled between moving part 3 and ventilation valve body 1 The opposite ventilation valve body 1 of moving part 3 is spinned movement, and can improve the connective stability between moving part 3 and ventilation valve body 1.
Further, referring to Fig. 5 and Fig. 8, for hose 2 in distortion, the rotation section 21 of hose 2 can shape in torsional deformation region At one similar bell-mouthed structure (for ease of description, being defined as the first bell-mouth structure of air), the fixed section 22 of hose 2 It also will form a similar bell-mouthed structure in torsional deformation region and (for ease of description, be defined as the second horn mouth Structure);The big end of first bell-mouth structure of air and the big end of the second bell-mouth structure of air mutually deviate from, i.e., the first bell-mouth structure of air is small End connects at the middle part of hose 2 with the small end of the second bell-mouth structure of air and can form above-mentioned opening 23.
It should be noted that the first bell-mouth structure of air and the second bell-mouth structure of air can be real when air-flow is by opening 23 The one poly- one of existing air-flow dissipates, and the wind speed for reducing the big end and the big end of the second bell-mouth structure of air of the first bell-mouth structure of air is poor, from And improve the airflow stability of power distribution check (non-return) valve provided in this embodiment.
Particularly, can will ventilation valve body 1 and hose 2 be disposed as cylindrical shape, thus, the big end of the first bell-mouth structure of air with The big end cross section of second bell-mouth structure of air is identical, further improves the air-flow of power distribution check (non-return) valve provided in this embodiment Stability, in addition, being also convenient for the mutual cooperation of ventilation valve body 1 and hose 2.
Preferably, hose 2 can be made of oil resistant, rubber heat-resisting, wear-resisting, that elastic strength is good, or by with above-mentioned The other similar material of property is made, thus, it can not only prevent from damaging hose 2 by the high-temperature oil smoke of hose 2, moreover it is possible to alleviate soft Pipe 2 is because torsional deformation is wearing caused by itself.
Specifically, it can be distributed in check (non-return) valve in power and driving device is set, and driving device is connect with moving part 3, with It is rotated using driving device driving moving part 3 relative to ventilation valve body 1, mechanization degree is higher.
Further, it can be distributed in check (non-return) valve in power and the controller being electrically connected to the drive is set, to utilize control Device controls the start and stop of driving device, and the degree of automation is higher.
Settable motor and transmission component in the specific structure of driving device, by the output shaft of motor and transmission component Input terminal transmission connection, and the output end of transmission component and moving part 3 are sequentially connected, thus, utilize motor driven transmission group Part operating, and the driving force of motor is passed into moving part 3 by transmission component, enable moving part 3 is opposite to divulge information 1 turn of valve body It is dynamic.
Preferably, servo motor can be set by motor, with can corresponding controllers much sooner control command.
As the first embodiment, transmission component can be set to gear set, and by the input end gear of gear set It is fixedly attached on the output shaft of motor, the gear of output end of gear set is fixedly attached on moving part 3, thus, utilize tooth The driving force of motor is transmitted on moving part 3 by wheel group, to drive moving part 3 to rotate.
As second of embodiment, transmission component can be set to gear set, and the gear teeth are set on moving part 3, The input end gear of gear set is fixedly attached on the output shaft of motor, it will be on the gear of output end of gear set and moving part 3 Gear teeth meshing.
Specifically, the gear in gear set can be set to two, respectively input end gear and gear of output end, inputted End tooth wheel is engaged with gear of output end.
As the third embodiment, transmission component can be set to transmission gear, and wheel is set on moving part 3 Transmission gear is fixedly attached on the output shaft of motor by tooth, and by the gear teeth meshing on transmission gear and moving part 3.
The present embodiment additionally provides a kind of kitchen ventilator comprising has kitchen ventilator ontology, is provided with wind on kitchen ventilator ontology Pipe is equipped with above-mentioned power distribution check (non-return) valve in air hose, and the sealing of ventilation valve body 1 of power distribution check (non-return) valve is fixed on air hose It is interior.
Therefore, kitchen ventilator provided in this embodiment, the ventilation quantity being not only adjustable in air hose, and also it is non-return in power distribution Sealing effect is preferable when valve completely closes, and can prevent oil smoke taint of odour well.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of power distributes check (non-return) valve, which is characterized in that including ventilation valve body (1), hose (2) and moving part (3);
Wherein, the hose (2) includes rotation section (21) and fixed section (22), and the ventilation valve body (1) has penetrating cavity;Institute It states fixed section (22) to be fixedly connected in the penetrating cavity, the rotation section (21) is fixedly connected with the moving part (3);
The moving part (3) makes the rotation section for driving the rotation section (21) to rotate relative to the fixed section (22) (21) torsional deformation can be generated between the fixed section (22), to adjust the hose (2) opening in torsional deformation region The size of mouth (23).
2. power according to claim 1 distributes check (non-return) valve, which is characterized in that the moving part (3) is cyclic structure, and The moving part (3) is pivotably coupled to one end of ventilation valve body (1).
3. power according to claim 2 distributes check (non-return) valve, which is characterized in that the moving part (3) when rotated can Along the axial movement of ventilation valve body (1).
4. power according to claim 3 distributes check (non-return) valve, which is characterized in that the moving part (3) and the ventilation valve It is threaded connection between body (1).
5. power according to claim 1-4 distributes check (non-return) valve, which is characterized in that the rotation section (21) exists The torsional deformation region forms the first bell-mouth structure of air, and the fixed section (22) forms the second loudspeaker in the torsional deformation region Mouth structure;
The big end of first bell-mouth structure of air and the big end of second bell-mouth structure of air mutually deviate from, described opening (23) position In the junction of first bell-mouth structure of air and second bell-mouth structure of air.
6. power according to claim 1-4 distributes check (non-return) valve, which is characterized in that the hose (2) is using resistance to Oil, heatproof, wear-resisting and high elastic strength material.
7. distributing check (non-return) valve according to the described in any item power of claim 2-4, which is characterized in that it further include driving device, institute It states driving device to connect with the moving part (3), for driving the moving part (3) to rotate relative to the ventilation valve body (1).
8. power according to claim 7 distributes check (non-return) valve, which is characterized in that further include controller, the controller with The driving device electrical connection, for controlling the start and stop of the driving device.
9. power according to claim 7 distributes check (non-return) valve, which is characterized in that the driving device includes motor and transmission The input terminal of component, the output shaft of the motor and the transmission component is sequentially connected, the output end of the transmission component and institute State moving part (3) transmission connection.
10. a kind of kitchen ventilator, which is characterized in that including kitchen ventilator ontology and the described in any item power distribution of claim 1-9 Check (non-return) valve;
Air hose is provided on the kitchen ventilator ontology, ventilation valve body (1) sealing is fixed in the air hose.
CN201910437134.2A 2019-05-23 2019-05-23 Power distributes check (non-return) valve and kitchen ventilator Pending CN110043685A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910437134.2A CN110043685A (en) 2019-05-23 2019-05-23 Power distributes check (non-return) valve and kitchen ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910437134.2A CN110043685A (en) 2019-05-23 2019-05-23 Power distributes check (non-return) valve and kitchen ventilator

Publications (1)

Publication Number Publication Date
CN110043685A true CN110043685A (en) 2019-07-23

Family

ID=67283547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910437134.2A Pending CN110043685A (en) 2019-05-23 2019-05-23 Power distributes check (non-return) valve and kitchen ventilator

Country Status (1)

Country Link
CN (1) CN110043685A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8806553D0 (en) * 1988-03-18 1988-04-20 Norman L D Improved flow control valve & flow control member therefor
US20050092944A1 (en) * 2003-02-04 2005-05-05 Patterson Mark A. Throttle valve apparatus for controlling fluid flow
CN203115166U (en) * 2013-03-18 2013-08-07 南京菲恩医疗科技有限公司 Blocking device of hose
EP3040589A1 (en) * 2008-09-30 2016-07-06 Acticon AB Air flow adjustment
CN108167894A (en) * 2017-12-27 2018-06-15 东莞市联洲知识产权运营管理有限公司 A kind of attachment device of kitchen ventilator smoke outlet
CN210034514U (en) * 2019-05-23 2020-02-07 杭州老板电器股份有限公司 Power distribution check valve and range hood

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8806553D0 (en) * 1988-03-18 1988-04-20 Norman L D Improved flow control valve & flow control member therefor
US20050092944A1 (en) * 2003-02-04 2005-05-05 Patterson Mark A. Throttle valve apparatus for controlling fluid flow
EP3040589A1 (en) * 2008-09-30 2016-07-06 Acticon AB Air flow adjustment
CN203115166U (en) * 2013-03-18 2013-08-07 南京菲恩医疗科技有限公司 Blocking device of hose
CN108167894A (en) * 2017-12-27 2018-06-15 东莞市联洲知识产权运营管理有限公司 A kind of attachment device of kitchen ventilator smoke outlet
CN210034514U (en) * 2019-05-23 2020-02-07 杭州老板电器股份有限公司 Power distribution check valve and range hood

Similar Documents

Publication Publication Date Title
CN107606766A (en) Air deflector assembly, air outlet structure and air conditioner
CN109058571A (en) A kind of pipeline valve easy to use
CN111959544A (en) Rail transit train, air conditioner and air valve
CN110043685A (en) Power distributes check (non-return) valve and kitchen ventilator
CN210034514U (en) Power distribution check valve and range hood
WO2015131776A1 (en) Energy-saving inlet valve
CN102029001B (en) Flow linkage control device
CN204852374U (en) Many grades of regulation blast gates, ventilation pipe -line system and air conditioners
CN104613201A (en) Automatic opening and closing check valve
CN106885015A (en) A kind of closed switching valve of wide tee
CN106194444B (en) Engine throttle valve body, throttle valve and engine
CN203362359U (en) Grating-variable air inlet pipe
CN111648964A (en) Air suction pipeline structure for air conditioner compressor
CN208792444U (en) A kind of automatic air intaking valve for low-pressure drainage system
CN109026633B (en) Compressor displacement adjusting device
CN208252778U (en) A kind of intelligence air-valve mechanism
CN208575891U (en) Wrist joint of robot structure and robot palletizer
CN204459302U (en) A kind of automatic open-close safety check
CN215487701U (en) Energy-saving power station desulfurization is with electronic louver valve
CN205918524U (en) Inlet channel variable -length system in air intake manifold
CN207728904U (en) Electronic double eccentric flexible sealing butterfly valves
CN205504994U (en) Combustor mechanical type wind and fuel linkage continuously adjustable device
CN214891750U (en) Air valve assembly with purification mechanism
CN103335115A (en) Manual louver valve
CN215172310U (en) Flexible connection butterfly valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination