CN207196578U - A kind of multijaw smoke exhaust ventilator - Google Patents

A kind of multijaw smoke exhaust ventilator Download PDF

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Publication number
CN207196578U
CN207196578U CN201721016773.4U CN201721016773U CN207196578U CN 207196578 U CN207196578 U CN 207196578U CN 201721016773 U CN201721016773 U CN 201721016773U CN 207196578 U CN207196578 U CN 207196578U
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CN
China
Prior art keywords
multijaw
cooking fume
suction pipe
pipe
exhaust pipe
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.)
Expired - Fee Related
Application number
CN201721016773.4U
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Chinese (zh)
Inventor
马永志
华青松
焦玉琴
赵红
张洪信
赵清海
程联军
张铁柱
霍炜
尹怀仙
邹荣国
周键
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Qingdao University
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Qingdao University
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Priority to CN201721016773.4U priority Critical patent/CN207196578U/en
Application granted granted Critical
Publication of CN207196578U publication Critical patent/CN207196578U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of multijaw smoke exhaust ventilator, motor wind wheel inside cooking fume exhaust pipe is connected by controlling switch with power panel, air channel is connected and provides air draught power by motor wind wheel with air outlet, the free end of cooking fume exhaust pipe is axially elongated to be provided with multijaw suction pipe in dispersed arrangement, each pawl suction pipe is disposed as the tubular structure of the circular cross section with chimb, and multijaw suction pipe is internally provided with multijaw movable agency and can extract oil filtering structure out;Flue gas after filtering is sucked by multijaw suction pipe, enters cooking fume exhaust pipe by air outlet through air channel, outdoor eventually through the base discharge of band stop valve mist extractor.Realize oil suction mouth position arbitrarily to adjust manually, effective reduction of fume absorbing openings is realized while smoke exhaust ventilator setting height(from bottom) is not reduced, suction effect reaches 99%, reduces power, saves electric energy;Greasy dirt is easy to implement thoroughly to remove;And cooking is not influenceed completely.

Description

A kind of multijaw smoke exhaust ventilator
Technical field
The utility model belongs to home appliance technical field, and in particular to a kind of multijaw smoke exhaust ventilator.
Background technology
As the improvement of people's living standards, smoke exhaust ventilator turned into restaurant, dining room, hotel, restaurant, family etc. must can not Few home appliance.General top-sucking kitchen ventilator setting height(from bottom) is typically big in 700mm or so, the power of fan of its mainstream model All between 200-250W, therefore it effectively aspirates radius substantially in 400mm or so, thus pot face is aspirated in its blower fan completely Outside scope, such oil smoke produces nature from pot face one and will stretched everywhere.Want to drain only, from the principle of air power Say, it allows its effective radius aspirated to cover pot face only highly lowering, and can naturally also realize 99% suction effect Fruit, but this obviously again can not cooking.
All it is that general top-sucking kitchen ventilator uses oil strain net mode in terms of filtering oil smoke.There is one layer, two layers or more Layer, filter opening has square, rhombus, circle etc., it is therefore an objective to and post hope and oil smoke is blocked by filter screen, but from use feelings so for many years From the point of view of condition, the effect of this solution is excessively poor, has a reputable brand propaganda materials to be reported to regard to frankness:Arrived even if filter screen is small At 0.01 square centimeter, the oil smoke for still having 37% can't stop, and the opening of sieve of market majority cigarette machine is at 0.04 square li now Rice or so, thus be exactly almost direct discharge, its result is exactly to pollute cigarette machine inwall, causes draught fan impeller largely uneven product Oil, blower fan rotate and lose dynamic balancing, so suction effect is naturally just worse and worse, its mechanicalness noise is also just increasing.In a word There is no effective purification function to make conventional smoke machine effect rapid decrease.
The defects of being designed due to general top-sucking kitchen ventilator furred ceiling and the effective purification means of shortcoming, to ensure in a short time Suction effect, its power is general all higher (mainstream model is between 200W-250W), it is clear that very power consumption.Simultaneously as Means are not purified effectively, cause a large amount of long-pending oils of blower fan and machine inner chamber, and cleaning is extremely difficult, generally requires professional It can complete, effect is poor all the better after cleaning sometimes, time-consuming and laborious.
Existing patent (the fume-exhausting systems with cleaning device of 201610515155.8 intelligence) smoke exhaust ventilator main body installation There are ultrasonic cleaning equipment, filter screen and the second filter, realize automatic cleaning or intelligent cleaning function, but both for existing There is smoke exhaust ventilator to need periodically progress greasy dirt cleaning, cleaning difficulty to be designed.
Existing patent (a kind of 201520338636.7 top suction type lampblack absorber) is arranged on by mounting seat, journal stirrup and connecting rod On ceiling, holding handle can realize that lampblack absorber body and connecting rod are swung around mounting seat, to adsorb around lampblack absorber body Oil smoke;Can also the air inlet of lampblack absorber body be placed in different azimuth so that oil smoke adsorbs by rotating lampblack absorber body around connecting rod.
Research is not directed to TPU parcel stainless steel flexibility multijaw movable agencies above, realizes that oil suction mouth position is adjusted manually Technical elements whole, that the double filter structures of major-minor can be extracted out.It there are no using soft movable multijaw suction pipe, the double filter knots of major-minor can be extracted out Structure, it can arbitrarily adjust the Patents of the smoke exhaust ventilator being placed at the top of gas-cooker of oil suction mouth position, document and practical Product.
Utility model content
The technical problem that can not be adjusted for the oil suction mouth position of lampblack absorber present in prior art, the utility model Purpose be to provide a kind of multijaw smoke exhaust ventilator, and in particular to a kind of multijaw smoke exhaust ventilator, in particular by TPU wrap up it is stainless Steel soft movable multijaw suction pipe realizes that oil suction mouth position manually adjusts, can extract being placed at the top of gas-cooker of the double filter structures of major-minor out Smoke exhaust ventilator, being widely portable to restaurant, dining room, hotel, restaurant, family etc. needs the place of fume purifying.
The technical scheme that the utility model is taken is:
A kind of multijaw smoke exhaust ventilator, including cooking fume exhaust pipe, controlling switch and power panel, the inside of the cooking fume exhaust pipe are set There are air channel, air outlet and motor wind wheel, motor wind wheel is connected by controlling switch with power panel, and motor wind wheel is by air channel and air-out Mouth is connected and provides air draught power, and the free end of cooking fume exhaust pipe is axially elongated to be provided with multijaw suction in dispersed arrangement Pipe, each pawl suction pipe are disposed as the tubular structure of the circular cross section with chimb, and multijaw suction pipe is internally provided with multijaw can Motivation structure and oil filtering structure can be extracted out;Flue gas after filtering is sucked by multijaw suction pipe, enters cooking fume exhaust pipe by air outlet through air channel, It is outdoor eventually through the base discharge of band stop valve mist extractor.
Further, the multijaw movable agency using TPU parcel stainless steel be prepared, multijaw movable agency with Multijaw suction pipe is connected, be separately positioned on the tip of multijaw suction pipe, bottom or middle part it is any one or more, can by multijaw The bending of motivation structure drives the connected bending of multijaw suction pipe or storage.
Further, the oil filtering structure of extracting out is internally provided with cotton class oil suction material;Oil filtering structure can be extracted out to be included Can extract out main oil filtering structure and can extract secondary oil filtering structure out, can extract main oil filtering structure out and be positioned close to the air channel of motor wind wheel At mouthful, secondary oil filtering structure can be extracted out and be arranged at the pawl point of multijaw suction pipe.
Further, all constituents overhead that the cooking fume exhaust pipe is connected is on the kitchen range top;Or cooking fume exhaust pipe phase The all constituents of connection are placed on behind the kitchen range top or left side or the metope where the right;Or cooking fume exhaust pipe is connected All constituents are built in below gas-cooker.
Further, the controlling switch and power panel are arranged on the inside for the cooking fume exhaust pipe being connected with multijaw suction pipe;Or Controlling switch and power panel are arranged in the cabinet plane residing for the kitchen range top.
Further, mobile device is additionally provided with, mobile device includes sliding block and the slide rail corresponding with sliding block, sliding block It is set on cooking fume exhaust pipe outer wall, sliding block is connected by rotating shaft a with connecting rod a, and connecting rod a is connected by rotating shaft b with connecting rod b, connecting rod b It is fixed on motor.
Further, the anchor portion installation band stop valve mist extractor base of the cooking fume exhaust pipe.
The beneficial effects of the utility model are:
Multijaw suction pipe disperses arrangement formula smoke exhaust ventilator, thoroughly changes the current actionless present situation of oil smoke oil smoke suction inlet, Stainless steel flexibility multijaw movable agency is wrapped up using TPU, can arbitrarily alternating bending, Jing Yin resistance to compression and durable in use, realize Oil suction mouth position arbitrarily adjusts manually, so just realizes fume absorbing openings while smoke exhaust ventilator setting height(from bottom) is not reduced Effectively reduce, realize suction effective radius and cover all a pot face, suction effect reaches 99%, and does not influence to fry completely Dish;The distributed structure of multijaw hydrocone type structure, by the way of the suction of multijaw suction pipe, suction effect in a short time can be achieved, Reduce power save electric energy simultaneously;Using the double filter structures of major-minor can be extracted out, it is easy to implement greasy dirt and thoroughly removes;It is broadly applicable The place of fume purifying is needed in restaurant, dining room, hotel, restaurant, family etc..
Brief description of the drawings
Fig. 1 is structural representation of the smoke exhaust ventilator overhead on the kitchen range top in the utility model;
Fig. 2 is that the smoke exhaust ventilator in the utility model is placed on behind the kitchen range top or left side or the metope where the right Structural representation;
Fig. 3 is the structural representation of lateral cooker hood in Fig. 2;
Fig. 4 is the structural representation that power panel and the kitchen range top of controlling switch are installed in Fig. 2;
Fig. 5 is structural representation of the cooking fume exhauster built-in below gas-cooker in the utility model;
Fig. 6 is the structural representation that power panel and the kitchen range top of controlling switch are installed in Fig. 5;
Fig. 7 is the structural representation for the smoke exhaust ventilator that mobile device is installed in the utility model;
In figure:1st, cooking fume exhaust pipe;2nd, motor wind wheel;3rd, power panel;4th, multijaw movable agency;41st, bottom multijaw can motivation Structure;42nd, middle part multijaw movable agency;5th, multijaw suction pipe;6th, the kitchen range top;7th, controlling switch;8th, main oil filtering structure can be extracted out;9th, wind Road;10th, air outlet;11st, band stop valve mist extractor base;12nd, secondary oil filtering structure can be extracted out;13rd, slide rail;14th, sliding block;15th, turn Axle a;16th, connecting rod a;17th, rotating shaft b;18th, connecting rod b;19th, motor.
Embodiment
The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings, nationality is by below in conjunction with different operating mode Embodiment illustrates the content of the utility model, and the scope of unrestricted the utility model.Cooking fume exhaust pipe is arranged to horizontal smoke tube The inverted l-shaped structure being formed by connecting with vertical smoke pipe,
Cooking fume exhaust pipe is arranged to the inverted L-shaped integral structure that horizontal smoke tube and vertical smoke pipe are formed by connecting, cooking fume exhaust pipe The multijaw suction-pipe structure of the free end of vertical smoke pipe is novel, and each pawl suction pipe is disposed as the circular cross section with chimb Tubular structure (circular cross section can be replaced the structure such as triangle, square, polygon ...), the claw quantity of multijaw suction pipe can To be determined according to actual conditions, typically using more than 3 pawls;When odd number pawl is set:The center of cooking fume exhaust pipe is provided with one The vertical pawl pipe of root, centered on vertical pawl pipe, remaining multijaw suction pipe outwards tilts arrangement in certain radian in dispersed and set, and makes Multijaw suction pipe disperses in all directions;When even number pawl is set:Equidistantly arrange at each center of multijaw suction pipe along cooking fume exhaust pipe Cloth is set;Multijaw movable agency is arbitrarily adjusted manually as needed to change distribution of the multijaw suction pipe on the kitchen range top;Multijaw is inhaled Pipe is internally provided with multijaw movable agency, and multijaw movable agency is connected with multijaw suction pipe, positioned at multijaw pipette tips, bottom or Middle part, multijaw movable agency are prepared using TPU parcel stainless steels, can alternating bending, Jing Yin resistance to compression is durable in use;According to Need, multijaw movable agency, which can be bent, drives connected multijaw suction pipe to realize bending or storage effect, effectively saves space.
Main oil filtering structure can be extracted out and secondary oil filtering structure can be extracted out and be internally provided with cotton class oil suction material, cotton class oil suction material Double-layer leaching net structure is arranged to, upper screen is arranged to waveform network structure and opens up filter opening along at the trough of waveform net A, lower screen is arranged to the filter structure that cross section opens up filter opening b in circulation X-shaped and center, when oil smoke passes through lower screen When, X-shaped chi structure is formed to oil smoke gathers effect, oil smoke is flowed up along filter opening b, the wavelike structure of last time filter screen Crest to oil smoke formed blocking effect, extend residence time of the oil smoke in filter screen, oil smoke good absorbing effect, in oil suction It can be drawn it out when measuring more and carry out cleaning treatment or replacing.
Embodiment 1
As shown in figure 1, a kind of multijaw smoke exhaust ventilator, including cooking fume exhaust pipe, controlling switch and power panel, cooking fume exhaust pipe are connected The all constituents overhead connect is on the kitchen range top;Controlling switch and power panel are arranged on the cooking fume exhaust pipe being connected with multijaw suction pipe Inside;Main oil filtering structure can be extracted out in the top of controlling switch (at the tunnel inlet close to motor wind wheel) connection;In multijaw Secondary oil filtering structure can be extracted out by being set at the pawl point of suction pipe, and the top that can extract main oil filtering structure out sets motor wind wheel, motor wind wheel Connected by controlling switch with power panel, air channel is connected and provides air draught power by motor wind wheel with air outlet, and air channel is set At the middle part of motor wind wheel, air outlet is located at motor wind wheel top, is connected with cooking fume exhaust pipe thereafter, the anchor portion of cooking fume exhaust pipe (end) installation band stop valve mist extractor base, the free end of cooking fume exhaust pipe is axially elongated to be provided with dispersed arrangement Multijaw suction pipe;Multijaw movable agency is connected with multijaw suction pipe, positioned at the middle part of multijaw suction pipe, is opened by the control on power panel Close, start motor wind wheel, regulation control wind speed system, oil smoke caused by kitchen range top cooking at multijaw pipette tip through that can extract secondary oil strain out Structured filter entrance can extract main oil filtering structure out and carry out secondary filter, enter cooking fume exhaust pipe by air outlet through air channel, eventually through The base discharge of band stop valve mist extractor is outdoor.
Embodiment 2
As shown in Figure 2, Figure 3 and Figure 4, a kind of multijaw smoke exhaust ventilator, including cooking fume exhaust pipe, controlling switch and power panel, cigarette The all constituents that pipe is connected are placed on behind the kitchen range top on the metope at place;Controlling switch and power panel are arranged on the kitchen range top In residing cabinet plane.Main oil filtering structure can be extracted out by being set at the tunnel inlet close to motor wind wheel;In multijaw suction pipe Secondary oil filtering structure can be extracted out by being set at pawl point, and the top that can extract main oil filtering structure out sets motor wind wheel, and motor wind wheel passes through cupboard Controlling switch in cabinet plane connects with power panel, and air channel is connected and provides air draught power, wind by motor wind wheel with air outlet Road is arranged on the middle part of motor wind wheel, and air outlet is located at motor wind wheel top, is connected with cooking fume exhaust pipe thereafter, and cooking fume exhaust pipe is consolidated Fixed end portion (end) installation band stop valve mist extractor base, the free end of cooking fume exhaust pipe is axially elongated to be set in dispersed arrangement It is equipped with multijaw suction pipe;Multijaw movable agency is connected with multijaw suction pipe, positioned at the middle part of multijaw suction pipe, passes through the control on power panel Switch, start motor wind wheel, regulation control wind speed system, oil smoke caused by kitchen range top cooking at multijaw pipette tip through that can extract secondary filter out Oily structured filter entrance can extract main oil filtering structure out and carry out secondary filter, enter cooking fume exhaust pipe by air outlet through air channel, final logical It is outdoor to cross the base discharge of band stop valve mist extractor.
Embodiment 3
As shown in Figure 5, Figure 6, a kind of multijaw smoke exhaust ventilator, including cooking fume exhaust pipe, controlling switch and power panel, cooking fume exhaust pipe The all constituents being connected are built in below gas-cooker.Controlling switch and power panel are arranged on the cabinet plane residing for the kitchen range top On.Multijaw suction pipe stretching hole D1 is provided with the kitchen range top, multijaw suction pipe stretches out hole D2, multijaw suction pipe stretches out hole D3, multijaw suction pipe is stretched Portal D4.Multijaw movable agency is connected with multijaw suction pipe, respectively positioned at the tip of multijaw suction pipe and middle part;Bottom multijaw can motivation Structure is easy to multijaw suction pipe adjustable double to filter built-in smoke exhaust ventilator installation operation, and the claw quantity of multijaw suction pipe is arranged to 4, multijaw Suction pipe stretches out hole D1 by multijaw suction pipe, multijaw suction pipe stretches out hole D2, multijaw suction pipe stretches out hole D3, multijaw suction pipe stretches out hole D4 and put Above the kitchen range top, manually adjustment middle part multijaw movable agency is flexible drives connected multijaw suction pipe to realize lampblack absorber suction inlet The adjustment of position, it can also realize storage effect.In cabinet horizontal layout power panel and controlling switch residing for the kitchen range top, close to motor Main oil filtering structure can be extracted out by being set at the tunnel inlet of wind wheel;Secondary oil filtering structure can be extracted out by being set at the pawl point of multijaw suction pipe, The top that main oil filtering structure can be extracted out sets motor wind wheel, and motor wind wheel is connected by the controlling switch in cabinet plane and power panel Connect, air channel is connected and provides air draught power by motor wind wheel with air outlet, and air channel is arranged on the middle part of motor wind wheel, air outlet Positioned at motor wind wheel top, it is connected with cooking fume exhaust pipe thereafter, anchor portion (end) the installation band stop valve oil extraction of cooking fume exhaust pipe Smoke pipe seat, by the controlling switch on power panel, start motor wind wheel, regulation control wind speed system, oil smoke caused by kitchen range top cooking Main oil filtering structure can be extracted out through the filtering entrance of secondary oil filtering structure can be extracted at multijaw pipette tip out and carry out secondary filter, through air channel by Air outlet enters cooking fume exhaust pipe, outdoor eventually through the base discharge of band stop valve mist extractor.
Embodiment 4
On the basis of embodiment 1 and embodiment 2, different from embodiment 1 and embodiment 2, as shown in fig. 7, being additionally provided with Mobile device, mobile device include sliding block and the slide rail corresponding with sliding block, and sliding block is set on cooking fume exhaust pipe outer wall, sliding block Connected by rotating shaft a with connecting rod a, connecting rod a is connected by rotating shaft b with connecting rod b, and connecting rod b is fixed on motor.
The all constituents overhead that cooking fume exhaust pipe is connected is on the kitchen range top;The slide rail of corresponding mobile device fixes peace In the furred ceiling on the kitchen range top, cooking fume exhaust pipe and the sliding block in slide rail are fixed.
The all constituents that cooking fume exhaust pipe is connected are placed on behind the kitchen range top or left side or the metope where the right; The slide rail of corresponding mobile device is fixedly mounted on the metope where cooking fume exhaust pipe, cooking fume exhaust pipe and the cunning in slide rail Block is fixed.
When specifically used, start motor, motor rotation drives coupled connecting rod b rotations, and connecting rod b passes through rotating shaft b bands Dynamic connecting rod a movements, connecting rod a are moved left and right by rotating shaft a band movable sliders along slide rail, the end with stop valve mist extractor base Cooking fume exhaust pipe is arranged to shrinkable hose, and sliding block drives cooking fume exhaust pipe to be moved left and right along slide rail, a left side is provided with the general kitchen range top Two gas-cookers (may also be provided with parallel multiple, such as the rear kitchen in restaurant) of gas-cooker, right gas-cooker composition, according to Using needs, when left gas-cooker normal use, pass through the left gas-cooker of multijaw suction pipe face of motor control smoke exhaust ventilator;Work as the right side During gas-cooker normal use, by the right gas-cooker of multijaw suction pipe face of motor control smoke exhaust ventilator, so that smoke exhaust ventilator rises To efficient lampblack-pumped effect.
Described above is not to limitation of the present utility model, it should be pointed out that:For the ordinary skill people of the art For member, on the premise of the utility model in essence scope is not departed from, some variations, modifications, additions or substitutions can also be made, These improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (7)

1. a kind of multijaw smoke exhaust ventilator, including cooking fume exhaust pipe, controlling switch and power panel, the cooking fume exhaust pipe are internally provided with Air channel, air outlet and motor wind wheel, motor wind wheel are connected by controlling switch with power panel, and motor wind wheel is by air channel and air outlet It is connected and air draught power is provided, it is characterised in that the free end of cooking fume exhaust pipe is axially elongated is set in dispersed arrangement There is multijaw suction pipe, each pawl suction pipe is disposed as the tubular structure of the circular cross section with chimb, is set inside multijaw suction pipe There is multijaw movable agency and oil filtering structure can be extracted out;Flue gas after filtering is sucked by multijaw suction pipe, is entered through air channel by air outlet Cooking fume exhaust pipe, it is outdoor eventually through the base discharge of band stop valve mist extractor.
2. a kind of multijaw smoke exhaust ventilator according to claim 1, it is characterised in that the multijaw movable agency uses TPU bags Wrap up in stainless steel to be prepared, multijaw movable agency is connected with multijaw suction pipe, is separately positioned on tip, the bottom of multijaw suction pipe Or middle part it is any one or more, pass through the bending of multijaw movable agency and drive the connected bending of multijaw suction pipe or storage.
3. a kind of multijaw smoke exhaust ventilator according to claim 1, it is characterised in that described extract out is set inside oil filtering structure There is cotton class oil suction material;Oil filtering structure can be extracted out to be included that main oil filtering structure can be extracted out and can extract secondary oil filtering structure out, can extract master out Oil filtering structure is positioned close at the tunnel inlet of motor wind wheel, can extract the pawl point that secondary oil filtering structure is arranged on multijaw suction pipe out Place.
A kind of 4. multijaw smoke exhaust ventilator according to claim 1, it is characterised in that be connected all groups of the cooking fume exhaust pipe Into part overhead on the kitchen range top;Or all constituents that are connected of cooking fume exhaust pipe are placed on behind the kitchen range top or the left side or the right side On metope where side;Or all constituents that cooking fume exhaust pipe is connected are built in below gas-cooker.
5. a kind of multijaw smoke exhaust ventilator according to claim 1, it is characterised in that the controlling switch and power panel are arranged on The inside for the cooking fume exhaust pipe being connected with multijaw suction pipe;Or controlling switch and power panel are arranged in the cabinet plane residing for the kitchen range top.
6. a kind of multijaw smoke exhaust ventilator according to claim 1, it is characterised in that be additionally provided with mobile device, mobile device Including sliding block and the slide rail corresponding with sliding block, sliding block is set on cooking fume exhaust pipe outer wall, and sliding block passes through rotating shaft a and connecting rod a Connection, connecting rod a are connected by rotating shaft b with connecting rod b, and connecting rod b is fixed on motor.
A kind of 7. multijaw smoke exhaust ventilator according to claim 1, it is characterised in that the anchor portion installation of the cooking fume exhaust pipe Band stop valve mist extractor base.
CN201721016773.4U 2017-08-15 2017-08-15 A kind of multijaw smoke exhaust ventilator Expired - Fee Related CN207196578U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721016773.4U CN207196578U (en) 2017-08-15 2017-08-15 A kind of multijaw smoke exhaust ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721016773.4U CN207196578U (en) 2017-08-15 2017-08-15 A kind of multijaw smoke exhaust ventilator

Publications (1)

Publication Number Publication Date
CN207196578U true CN207196578U (en) 2018-04-06

Family

ID=61797154

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721016773.4U Expired - Fee Related CN207196578U (en) 2017-08-15 2017-08-15 A kind of multijaw smoke exhaust ventilator

Country Status (1)

Country Link
CN (1) CN207196578U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20180406

Termination date: 20190815