CN201268934Y - Stream and back flow resistant and mothproof smoke-discharging exhaust passage - Google Patents

Stream and back flow resistant and mothproof smoke-discharging exhaust passage Download PDF

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Publication number
CN201268934Y
CN201268934Y CNU2008202181603U CN200820218160U CN201268934Y CN 201268934 Y CN201268934 Y CN 201268934Y CN U2008202181603 U CNU2008202181603 U CN U2008202181603U CN 200820218160 U CN200820218160 U CN 200820218160U CN 201268934 Y CN201268934 Y CN 201268934Y
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CN
China
Prior art keywords
smoke
exhaust
smoke evacuation
main channel
gas exhaust
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Expired - Fee Related
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CNU2008202181603U
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Chinese (zh)
Inventor
杨建良
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Real Estate Development Co Ltd
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Individual
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Priority to CNU2008202181603U priority Critical patent/CN201268934Y/en
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Publication of CN201268934Y publication Critical patent/CN201268934Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a mothproof smoke and gas exhaust passage which can prevent series flow and back flow. The smoke and gas exhaust passage comprises a vertical smoke and gas exhaust main passage and a smoke and gas exhaust branch pipeline for individual households on a floor. The smoke and gas exhaust passage is characterized in that the inner wall of the communicating part of the inlet of the vertical smoke and gas exhaust main passage and the outlet of the smoke and gas exhaust branch pipeline for individual households on a floor is provided with a bulge forming the throat part of the smoke and gas main passage, so a negative-pressure area is formed on the throat part; and the outlet of the smoke and gas exhaust branch pipeline for individual households on a floor is inserted into the negative-pressure area of the throat part of the smoke and gas exhaust main passage through the bulge of the smoke and gas exhaust main passage. The utility model adopts an advanced hollow throat technology; the airflow which passes through with high speed is accelerated to generate negative-pressure effect caused by the condition that the caliber of the smoke and gas exhaust passage gradually changes at intervals, so that not only the smoke escaping phenomenon can not occur for the individual households on a floor, but also the smoke exhaust is more smooth, and the problems of smoke and gas escaping, back flow and pest spread are solved. The utility model has the advantages of simple structure, reasonable design, time-saving and labor-saving installation and lower cost.

Description

Stop crossfire, pour in down a chimney the smoke and flue exhaust pipeline with insect protected
Technical field
The utility model relates to the passage that a kind of building indoor exhaust air is concentrated discharging, particularly relate to and a kind ofly stop crossfire, pour in down a chimney the smoke and flue exhaust pipeline with insect protected, be the improvement of existing indoor exhaust air being concentrated passage structure, belong to environmental protection and architectural design technical field.
Background technology
At present, get rid of building indoor exhaust air and kitchen cigarette, smoke and flue exhaust pipeline vertical and that same cross-sectional is long-pending normally is set under construction.The indoor smoke and flue exhaust pipeline material structure of building is brick or inorganic material precast monolithic structure substantially, its shortcoming is that discharge efficiency is lower, and structure is single, smoke blowing taint of odour string worm phenomenon ubiquity, smoke evacuation extract duct for building includes airway walls and air flue, and air flue is surrounded by airway walls and forms.Its durability is better, cost is relatively low, maintenance management is convenient, but smoke evacuation extract duct for building of the prior art does not still solve following shortcoming:
1, when the roof is calm draft weak,, flow of flue gas when slow flue gas is poured in down a chimney or each vertical floor flue gas is gone here and there mutually, causes room air pollution;
2, insects such as cockroach, damp worm, the ant propagation of visiting one house after another, communicate illness.
Above shortcoming has become the common fault of urban architecture headache.
In order to adapt to energy-conservation and environmental protection requirement, meet the design concept of green building, people have done a lot of improvement to the indoor smoke and flue exhaust pipeline structure of building in recent years, for example,
Publication number is " a kind of extract duct for building " that the application for a patent for invention of CN1415823 provides, it is characterized in that having in the airway walls at least one thin band, thereby makes the intensity of airway walls and rigidity improve greatly, but the wall thickness of corresponding attenuate airway walls.
Publication number is " stack is concentrated in housing construction " that the utility model patent of CN2085393 provides, there is ways that flue is separated into major and minor flue in the stack, on the top of pipe the air inlet port that is communicated with auxillary flue is arranged, air inlet port is connected with check (non-return) valve, range hood.
Publication number is " stack is concentrated in improved housing construction " that the utility model patent of CN2278029 provides, comprise straight tube, it is characterized in that: the bend pipe that opening makes progress is housed in straight tube, bend pipe and straight tube mat flange fuse, there is air inlet port the bend pipe lower end, and the check (non-return) valve of being made up of framework, removable cover, connector is equipped with in the gas outlet, upper end.
Publication number is " the building dwelling house flow-guiding type single hole stack " that the utility model patent of CN2654758 provides, comprise single hole exhaust duct, mozzle, air inlet port, it is characterized in that: mozzle is attached to top in the single hole exhaust duct, air inlet port is communicated with mozzle, length equates with story height, quantity is identical with the building residential building number of plies, at present floor flow-guiding type single hole stack upper end and last floor flow-guiding type single hole stack lower end vertical butt joint are installed, are combined into each floor fume centralized discharge-channel of building dwelling house.
Publication number is " pressure variable exhausting channel " that the utility model patent of CN2499487 provides, and it mainly comprises: trunk line, variable-pressure plate, guide pipe and flow-guiding non-return exhaust valve, and described guide pipe is the dustpan shape, and opening up is located in the trunk line; Described flow-guiding non-return exhaust valve is located at the air inlet port place of trunk line, this flow-guiding non-return exhaust valve comprises housing and valve block, described housing in a tubular form, be fixed in trunk line air inlet port place, the exit end face of this housing takes the form of inclined plane, the lower end of described valve block is located at the top of housing bottom rotationally, and is provided with on the lateral surface of valve block or the inside wall at described guide pipe and makes the stopping means of the maximum opening angle β of valve block less than 90 degree.
Though the indoor smoke and flue exhaust pipeline of various buildings that technique scheme provides all has the anti-function of collaborating, but structure is all complicated, building block is more, can cause poorly sealed, there is a small amount of oil smoke still can gang up, long-time use can make building block hang up greasy dirt, cause valve to open and make the oil-smoke expulsion pipe system can't operate as normal, so practicality is relatively poor.Early stage pressure variable exhausting channel adopts and installs the problem that the air-flow component for variable-pressure has solved smoke blowing, taint of odour to a certain extent in the pipe interior appropriate location additional, but performance is extremely unstable, can produce eddy current, the phenomenon of smoke blowing, taint of odour can take place once in a while, when particularly leg-of-mutton top is excessive, can produce resistance to lower floor's air-flow, system works can't be guaranteed, the pressure variable exhausting channel after the improvement exists still that structural member is more, design is complicated, take a lot of trouble and the higher flaw of cost when the combining built on the sand of trunk line and variable-pressure plate, installation fee.
Summary of the invention
The purpose of this utility model is to overcome the prior art above shortcomings, provides a kind ofly to stop crossfire, pour in down a chimney the smoke and flue exhaust pipeline with insect protected.This novel smoke and flue exhaust pipeline adopts advanced trunnion technology, caliber generation gradual change at interval by smoke and flue exhaust pipeline, make the air-flow that passes through at a high speed quicken to produce the negative pressure effect, make each floor not only can not produce the smoke blowing phenomenon, but also can make smoke evacuation more smooth and easy, thereby solved the smoke and flue exhaust pipeline smoke blowing, collaborated, pour in down a chimney and problem that insect is propagated, have simple in structure, reasonable in design, install to save time and save trouble and lower-cost characteristics.
The technical solution that the utility model provides is: this prevention crossfire, pour in down a chimney smoke and flue exhaust pipeline with insect protected, include vertical exhaust smoke evacuation main channel and the smoke evacuation of floor branch family, the exhaust lateral, wherein floor divides the family smoke evacuation, the outlet of exhaust lateral communicates with the inlet of vertical exhaust smoke evacuation main channel, be characterized in the inlet and the smoke evacuation of floor branch family of described vertical smoke evacuation exhaust main channel, the communicate inwall of part of the outlet of exhaust lateral is provided with the projection that constitutes smoke evacuation exhaust main channel throat and makes it form negative pressuren zone, and described floor divides the family smoke evacuation, the outlet of exhaust lateral is inserted into throat's negative pressure region of smoke evacuation exhaust main channel by the high spot of exhaust smoke evacuation main channel.
For better finishing the purpose of this utility model, described floor divides throat region that family smoke evacuation, exhaust lateral outlet downstream direction tilt or parallel insertion intake and exhaust smoke evacuation main channel.
For better finishing the purpose of this utility model, the projection of described smoke evacuation exhaust main channel is homogeneous material or not homogeneous material mutually with smoke evacuation exhaust main channel, composite member for integral production or split production, if it is during split production, bonding or bolt is connected or the draw-in groove connection between the projection of smoke evacuation exhaust main channel and the inwall of smoke evacuation exhaust main channel for encapsulant.
In above technical scheme, the part that the utility model is not narrated is same as the prior art.
Compared with prior art, the beneficial effects of the utility model are:
1. smoke evacuation exhaust main channel divides the draft of family smoke evacuation exhaust lateral to increase to floor, makes it more smooth and easy.
2. a difficult problem of solved smoke blowing between the floor branch family, collaborating makes the kitchen, defends and even habitat condition all improve.
3. insects such as cockroach, damp worm, the ant Es-region propagations disease of no longer visiting one house after another has improved the general level of the health.
Description of drawings
Fig. 1 provides the structural representation of embodiment for the utility model;
Fig. 2 is the A-A sectional view of Fig. 1.
The specific embodiment
Below in conjunction with embodiment concrete technical scheme of the present utility model is described further:
As Fig. 1~shown in Figure 2, this prevention crossfire, pour in down a chimney smoke and flue exhaust pipeline with insect protected, include the vertical smoke evacuation exhaust main channel 1 of inorganic material making and the floor branch family smoke evacuation of plastic material, exhaust lateral 2, the inlet of exhaust main channel 1 and the floor branch family smoke evacuation of wherein vertically discharging fume, the communicate inwall of part of the outlet of exhaust lateral 2 is provided with the projection 3 that constitutes smoke evacuation exhaust main channel throat, and floor divides the family smoke evacuation, the outlet of exhaust lateral 2 is by throat's negative pressure region 4 of the insertion intake and exhaust smoke evacuation main channel 1 of the projection 3 places downstream directions inclination of smoke evacuation exhaust main channel 1 throat.
Since the outlet of each floor branch family smoke evacuation exhaust lateral 2 by exhaust smoke evacuation main channel 1 throat projection 3 places and penetrate into throat's negative pressure region 4, each floor branch family smoke evacuation exhaust lateral 2 is communicated with exhaust smoke evacuation main channel 1 throat's negative pressuren zone 4, discharge fume at each layer branch family of exhaust smoke evacuation main channel 1 throat's negative pressuren zone 4 like this, the flue gas stream that exhaust branch pipe 2 outlets are discharged, can quicken by smoke evacuation exhaust main channel 1 throat's negative pressuren zone 4, smoke evacuation exhaust main channel 1 interior flue gas is flowed can be at throat's negative pressuren zone 4 to the indoor flue gas that pours in down a chimney, can be to each floor stream string yet, each layer throat negative pressuren zone 4 of insect in exhaust smoke evacuation main channel 1 is subjected to cigarette simultaneously, throat's negative pressuren zone 4 that acceleration is fled from air-flow effect meeting fast arrives the low regime outside each layer throat negative pressuren zones 4, and the negative pressure that is subjected to air-flow to quicken to produce in exhaust smoke evacuation main channel 1 throat region only can be with the indoor gas sucking-off.Insect just loses the chance that seals in each floor smoke discharging lateral 2 like this.
Even when calm, the flow of flue gas that flue-gas temperature produces in smoke evacuation exhaust main channel 1 also can make exhaust smoke evacuation main channel 1 throat's negative pressuren zone, 4 air-flow high-speed motions, thereby reaches cross flow proof, pour in down a chimney the goal of the invention with the insect pest propagation.

Claims (3)

1. one kind stops crossfire, pour in down a chimney smoke and flue exhaust pipeline with insect protected, include vertical exhaust smoke evacuation main channel and the smoke evacuation of floor branch family, the exhaust lateral, wherein floor divides the family smoke evacuation, the outlet of exhaust lateral communicates with the inlet of vertical exhaust smoke evacuation main channel, it is characterized in that the inlet and the smoke evacuation of floor branch family of described vertical smoke evacuation exhaust main channel, the communicate inwall of part of the outlet of exhaust lateral is provided with the projection that constitutes smoke evacuation exhaust main channel throat and makes it form negative pressuren zone, and described floor divides the family smoke evacuation, the outlet of exhaust lateral is inserted into throat's negative pressure region of smoke evacuation exhaust main channel by the high spot of exhaust smoke evacuation main channel.
2. prevention crossfire according to claim 1, pour in down a chimney the smoke and flue exhaust pipeline with insect protected, it is characterized in that throat region that the smoke evacuation of described floor branch family, exhaust lateral outlet downstream direction tilt or parallel insertion intake and exhaust smoke evacuation main channel.
3. prevention crossfire according to claim 1, pour in down a chimney the smoke and flue exhaust pipeline with insect protected, the projection that it is characterized in that described smoke evacuation exhaust main channel and smoke evacuation exhaust main channel are the split production composite member of homogeneous material not, are that encapsulant is bonding between the inwall of the projection of the exhaust main channel of wherein discharging fume and smoke evacuation exhaust main channel.
CNU2008202181603U 2008-09-24 2008-09-24 Stream and back flow resistant and mothproof smoke-discharging exhaust passage Expired - Fee Related CN201268934Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202181603U CN201268934Y (en) 2008-09-24 2008-09-24 Stream and back flow resistant and mothproof smoke-discharging exhaust passage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202181603U CN201268934Y (en) 2008-09-24 2008-09-24 Stream and back flow resistant and mothproof smoke-discharging exhaust passage

Publications (1)

Publication Number Publication Date
CN201268934Y true CN201268934Y (en) 2009-07-08

Family

ID=40841531

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008202181603U Expired - Fee Related CN201268934Y (en) 2008-09-24 2008-09-24 Stream and back flow resistant and mothproof smoke-discharging exhaust passage

Country Status (1)

Country Link
CN (1) CN201268934Y (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: GUOXIANG REAL ESTATE DEVELOPMENT CO., LTD.

Free format text: FORMER OWNER: YANG JIANLIANG

Effective date: 20110104

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 110003 NO.20, HEPING SOUTH AVENUE, HEPING DISTRICT, SHENYANG CITY, LIAONINGPROVINCE TO: 100035 ROOM 1402, BUILDING 1, GUOYINGYUAN, XICHENG DISTRICT, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20110104

Address after: 100035, room 1, building 1402, Kingdom garden, Xicheng District, Beijing

Patentee after: Real estate development Co., Ltd.

Address before: 110003 Heping 20 South Avenue, Heping District, Liaoning, Shenyang

Patentee before: Yang Jianliang

DD01 Delivery of document by public notice

Addressee: Real estate development Co., Ltd.

Document name: Notification to Pay the Fees

DD01 Delivery of document by public notice

Addressee: Real estate development Co., Ltd.

Document name: Notification of Termination of Patent Right

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090708

Termination date: 20140924

EXPY Termination of patent right or utility model