CN104315214A - Ventilating duct or flue drainage and fireproof non-return device - Google Patents
Ventilating duct or flue drainage and fireproof non-return device Download PDFInfo
- Publication number
- CN104315214A CN104315214A CN201410418549.2A CN201410418549A CN104315214A CN 104315214 A CN104315214 A CN 104315214A CN 201410418549 A CN201410418549 A CN 201410418549A CN 104315214 A CN104315214 A CN 104315214A
- Authority
- CN
- China
- Prior art keywords
- base
- baffle plate
- described base
- extension part
- flue
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/033—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/386—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the closure members being rotatable or pivoting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention relates to a ventilating duct or flue drainage and fireproof non-return device which comprises a base, wherein the base is arranged at an outlet of a smoke removal pipeline in a sleeving manner, and a hollow channel is formed in the middle of the base; a baffle plate used for closing the hollow channel is arranged on the base, and the bottom of the baffle plate is movably chained through the base; a control device is arranged at the lower part of the base and comprises a first torsion spring, and the first torsion spring is fixedly arranged in the connecting position of the baffle plate and the base; a temperature control device is also arranged on the base and comprises a second torsion spring and a metal temperature sensing piece; one end of the metal temperature sensing piece is fixedly arranged on the base, and the other end of the metal temperature sensing piece is of a movable end and is butted against the baffle plate; a convex part is arranged at the movable end of the metal temperature sensing piece. The ventilating duct or flue drainage and fireproof non-return device can automatically close the smoke removal pipeline according to the temperature variation in the smoke removal pipeline.
Description
Technical field
The present invention relates to a kind of ventilation flue or flue drainage fire prevention check device.
Background technique
Social now, the centralized discharge flue of the many employings of residence building in city, the smoke evacuation of each resident family or exhaust duct are connected with centralized discharge flue respectively, pour in down a chimney for preventing the oil smoke in centralized discharge flue, generally the outlet port of smoke evacuation or exhaust duct is provided with sideboard, outlet is closed by sideboard under normal circumstances, and open during smoke evacuation exhaust, mostly existing sideboard is to adopt easy structure, the plate washer utilizing bearing pin to be flexibly connected covers the outlet port in smoke evacuation or exhaust duct, the thrust of indoor flue gas is utilized to make baffle plate be that fulcrum rotates the object reaching smoke evacuation exhaust with bearing pin, although said structure can realize smoke exhaust and ventilation effect, but its baffle openings is identical with gravitational direction and contrary with flue gas ascent direction, therefore pouring in down a chimney of flue gas can not be avoided completely.
In addition a large amount of greases can be deposited after long-time use in centralized discharge flue, under certain conditions can be on fire, if high temperature now enters smoke evacuation or exhaust duct can damage pipeline and indoor equipment.Therefore more existing baffle plates are provided with fire resisting construction simultaneously, as disclosed in application number 201210081247.1 " automatically regulating exhaust air rate oil-smoke-exhausting fireproof check valve ", it comprises the flap be arranged on same mandrel, front spring, flap head part, rear spring and fuse link, flap baffle plate wherein presses rear spring and is fixed on core back-end by fuse link, flap moves on mandrel along mandrel extruding front spring under the promotion of flue gas, thus formation discharge flue, when catching fire in centralized discharge flue, high temperature can blow fuse link and make rear spring promote flap head part promotion front spring and be withstood by flap, it is made to be greater than the flue gas thrust in gas exhaust duct and to close opening, thus prevent pouring in down a chimney of high-temperature flue gas.Although this structure can prevent toxic gas from pouring in down a chimney, its structure only can single use, and change once can only pull down whole device after fuse link fusing, practicability is lower; And because it lacks the control structure controlling baffle openings angle, make smoke discharging effect poor.
Summary of the invention
In view of the above-mentioned problems in the prior art, main purpose of the present invention is to address the deficiencies of the prior art, and the invention provides a kind of ventilation flue or the flue drainage fire prevention check device that automatically can close gas exhaust duct according to temperature variation in discharge flue.
The invention provides a kind of ventilation flue or flue drainage fire prevention check device, comprise base, the shape of described base is square, described base sheath is located at the outlet port of gas exhaust duct, hollow channel is provided with in the middle of described base, described base is provided with the baffle plate for closing described hollow channel, the bottom of described baffle plate is by described base active link, described base bottom is provided with control gear, described control gear is for controlling the angle of described baffle plate folding, described control gear comprises the first torque spring, described first torque spring is fixedly installed on the joint of described baffle plate and described base, the two ends of described first torque spring are respectively to extension and form the first extension part and the second extension part, described first extension part is resisted against on described baffle plate, described second extension part is resisted against on described base, described base is also provided with temperature controlling device, described temperature controlling device comprises the second torque spring, non-return metal guide rod and metal thermal sensitive piece, be out of shape after described metal thermal sensitive piece is heated and can restore to the original state after cooling, described metal thermal sensitive piece one end is fixedly installed on described base, the other end is movable end and is resisted against on described baffle plate, the movable end of described metal thermal sensitive piece is provided with protuberance, described non-return metal guide rod one end is movably arranged on described base, the other end is arranged on described protuberance, the two ends of described second torque spring are respectively to extension and form the 3rd extension part and the 4th extension part, described 3rd extension part is resisted against on described base, described 4th extension part is resisted against on described non-return metal guide rod.
Optionally, described base is fixedly installed two supporting bases relatively protruded, described two supporting bases are provided with bearing pin, and described baffle plate, the first torque spring, the second torque spring and metal thermal sensitive piece are fixedly installed on described bearing pin respectively.
Optionally, described hollow pipeline is circular or square.
Optionally, four limits of described base are evenly provided with multiple resilient clamp sheet for clamping gas exhaust duct.
The present invention has the following advantages and beneficial effect: a kind of ventilation flue provided by the invention or flue drainage fire prevention check device, the intake grill of this device or exhaust outlet adopt round tubular design, and discharge directions is consistent with airflow direction in air outlet flue, cooking fume is discharged more unobstructed, without dead angle.Utilize temperature controlling device make common flue temperature reach a high temperature the state of emergency time, can closing baffle plate by force, and after clearing, utilize simple operations that metal thermal sensitive piece can be made to reset, reach the object of repeatedly utilization.Base dimensions of the present invention is common-mode, no matter can install freely for conventional type smokejack or pressure swing type smokejack.This programme without the need to dismounting, without the need to changing any accessory, and can reuse, and meets the energy-conserving and environment-protective that country advocates, the green standard recycled.This programme utilizes many springs to arrange, and reaches the unlatching closure effect of baffle plate, rational in infrastructure, seals tight anti-smoke blowing gas Be very effective.
Accompanying drawing explanation
Fig. 1 is the structural representation of ventilation flue of the present invention or flue drainage fire prevention check device;
Fig. 2 is the structural representation that in Fig. 1, baffle plate is opened;
Fig. 3 is the mounting structure schematic diagram of metal thermal sensitive piece and the second torque spring in Fig. 1.
Embodiment
The present invention is further illustrated with specific embodiment below with reference to accompanying drawings.
As shown in Figure 1 to Figure 3: a kind of ventilation flue of the embodiment of the present invention or flue drainage fire prevention check device, comprise base 1, described base 1 shape is square, described base sheath is located at the outlet port of gas exhaust duct, hollow channel is provided with in the middle of described base, described base is provided with the baffle plate 2 for closing described hollow channel, the bottom of described baffle plate 2 is by described base active link, described base bottom is provided with control gear, described control gear is for controlling the angle of described baffle plate 2 folding, described control gear comprises the first torque spring 3, described first torque spring is fixedly installed on the joint of described baffle plate and described base, the two ends of described first torque spring respectively to extension and formed the first extension part 301 and the second extension part 302, described first extension part 301 is resisted against on described baffle plate 2, described second extension part 301 is resisted against on described base, described base is also provided with temperature controlling device, described temperature controlling device comprises the second torque spring 5, non-return metal guide rod 8 and metal thermal sensitive piece 4, described metal thermal sensitive piece one end is fixedly installed on described base, the other end is movable end and is resisted against on described baffle plate, the movable end of described metal thermal sensitive piece is provided with protuberance 401, described non-return metal guide rod 8 one end is flexibly connected with described base, the other end is arranged on described protuberance 401, the two ends of described second torque spring 5 are respectively to extension and form the 3rd extension part 501 and the 4th extension part 501, described 3rd extension part 301 is resisted against on described protuberance 401, described 4th extension part is resisted against on described base, during use the first extension part 502 of the second torque spring 5 by non-return metal guide rod 8 together fixed end for fulcrum is pressed on base, when after the temperature distortion of metal thermal sensitive piece, the movable end of non-return metal guide rod 8 departs from base and is crushed under the effect of the second torque spring on baffle plate, and make baffle plate close hollow channel, the locking torque spring adopting this structure that elasticity can be adopted larger to improve sealing effect, and there will not be the phenomenon of described first extension part temperature distortion, the intake grill of this device or exhaust outlet adopt round tubular design, and discharge directions is consistent with airflow direction in air outlet flue, cooking fume are discharged more unobstructed, without dead angle.Utilize temperature controlling device make common flue temperature reach a high temperature the state of emergency time, can closing baffle plate by force, and after clearing, utilize simple operations that metal thermal sensitive piece can be made to reset, reach the object of repeatedly utilization.Base dimensions of the present invention is common-mode, no matter can install freely for conventional type smokejack or pressure swing type smokejack.This programme without the need to dismounting, without the need to changing any accessory, and can reuse, and meets the energy-conserving and environment-protective that country advocates, the green standard recycled.This programme utilizes many springs to arrange, and reaches the unlatching closure effect of baffle plate, rational in infrastructure, seals tight anti-smoke blowing gas Be very effective.
As the preferred implementation of above-described embodiment, described base is fixedly installed two supporting bases relatively protruded, described two supporting bases are provided with bearing pin, and described baffle plate, the first torque spring, the second torque spring and metal thermal sensitive piece are fixedly installed on described bearing pin respectively.
As the preferred implementation of above-described embodiment, described hollow pipeline is circular or square.
As the preferred implementation of above-described embodiment, four limits of described base 1 are evenly provided with multiple resilient clamp sheet 6 for clamping gas exhaust duct, preferably, each limit is evenly provided with three resilient clamp sheets 6, this ventilation flue or flue drainage fire prevention check device can be made to combine securely with gas exhaust duct, provide the Safety performance of this ventilation flue or flue drainage fire prevention check device.
Last it is noted that above-described each embodiment is only for illustration of technological scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in previous embodiment, or to wherein partly or entirely technical characteristics carry out equivalent replacement; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technological scheme.
Claims (4)
1. a ventilation flue or flue drainage fire prevention check device, it is characterized in that: comprise base, the shape of described base is square, described base sheath is located at the outlet port of gas exhaust duct, hollow channel is provided with in the middle of described base, described base is provided with the baffle plate for closing described hollow channel, the bottom of described baffle plate is by described base active link, described base bottom is provided with control gear, described control gear is for controlling the angle of described baffle plate folding, described control gear comprises the first torque spring, described first torque spring is fixedly installed on the joint of described baffle plate and described base, the two ends of described first torque spring are respectively to extension and form the first extension part and the second extension part, described first extension part is resisted against on described baffle plate, described second extension part is resisted against on described base, described base is also provided with temperature controlling device, described temperature controlling device comprises the second torque spring, non-return metal guide rod and metal thermal sensitive piece, be out of shape after described metal thermal sensitive piece is heated and can restore to the original state after cooling, described metal thermal sensitive piece one end is fixedly installed on described base, the other end is movable end and is resisted against on described baffle plate, the movable end of described metal thermal sensitive piece is provided with protuberance, described non-return metal guide rod one end is movably arranged on described base, the other end is arranged on described protuberance, the two ends of described second torque spring are respectively to extension and form the 3rd extension part and the 4th extension part, described 3rd extension part is resisted against on described base, described 4th extension part is resisted against on described non-return metal guide rod.
2. ventilation flue according to claim 1 or flue drainage fire prevention check device, it is characterized in that, described base is fixedly installed two supporting bases relatively protruded, described two supporting bases are provided with bearing pin, and described baffle plate, the first torque spring, the second torque spring and metal thermal sensitive piece are fixedly installed on described bearing pin respectively.
3. ventilation flue according to claim 1 or flue drainage fire prevention check device, it is characterized in that, described hollow pipeline is circular or square.
4. ventilation flue according to claim 1 or flue drainage fire prevention check device, is characterized in that, four limits of described base are evenly provided with multiple resilient clamp sheet for clamping gas exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418549.2A CN104315214A (en) | 2014-08-25 | 2014-08-25 | Ventilating duct or flue drainage and fireproof non-return device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410418549.2A CN104315214A (en) | 2014-08-25 | 2014-08-25 | Ventilating duct or flue drainage and fireproof non-return device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315214A true CN104315214A (en) | 2015-01-28 |
Family
ID=52370491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410418549.2A Pending CN104315214A (en) | 2014-08-25 | 2014-08-25 | Ventilating duct or flue drainage and fireproof non-return device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315214A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819324A (en) * | 2015-04-27 | 2015-08-05 | 宁波方太厨具有限公司 | Range hood fire valve |
| CN104901202A (en) * | 2015-06-26 | 2015-09-09 | 国家电网公司 | Intelligent control cubicle for intelligent substation |
| CN104959364A (en) * | 2015-07-08 | 2015-10-07 | 广东惜福环保科技有限公司 | Exhaust system and fermenting barrel |
| CN106523718A (en) * | 2016-11-15 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Exhaust adjusting valve structure |
| CN110462067A (en) * | 2017-04-04 | 2019-11-15 | 日本制铁株式会社 | The heating device and heating means of torpedo hot metal mixer car |
-
2014
- 2014-08-25 CN CN201410418549.2A patent/CN104315214A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819324A (en) * | 2015-04-27 | 2015-08-05 | 宁波方太厨具有限公司 | Range hood fire valve |
| CN104901202A (en) * | 2015-06-26 | 2015-09-09 | 国家电网公司 | Intelligent control cubicle for intelligent substation |
| CN104959364A (en) * | 2015-07-08 | 2015-10-07 | 广东惜福环保科技有限公司 | Exhaust system and fermenting barrel |
| CN104959364B (en) * | 2015-07-08 | 2017-03-08 | 华南理工大学 | Gas extraction system and fermentation cylinder |
| CN106523718A (en) * | 2016-11-15 | 2017-03-22 | 安徽江淮汽车集团股份有限公司 | Exhaust adjusting valve structure |
| CN106523718B (en) * | 2016-11-15 | 2019-02-12 | 安徽江淮汽车集团股份有限公司 | A kind of exhaust regulating valve structure |
| CN110462067A (en) * | 2017-04-04 | 2019-11-15 | 日本制铁株式会社 | The heating device and heating means of torpedo hot metal mixer car |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104315214A (en) | Ventilating duct or flue drainage and fireproof non-return device | |
| CN205279146U (en) | Removable boiler explosion vent | |
| CN203248797U (en) | Flue non-return fire damper | |
| CN101608702B (en) | Check fire valve for flue | |
| CN204267820U (en) | A kind of flue water conservancy diversion fire prevention check device | |
| CN208535256U (en) | A kind of fire resisting damper for range hood | |
| CN203743517U (en) | Flow-guide fire-prevention non-return device for air duct | |
| DE102006007814B4 (en) | Device for supporting the safe operation of a fireplace provided in a room | |
| CN201443628U (en) | Flue fire-resisting-resisting check valve | |
| CN211203081U (en) | Sealed plate type smoke exhaust port | |
| CN201496628U (en) | Smoke/fire-preventing one-way valve in flues | |
| CN213018060U (en) | High-temperature-resistant fire-proof valve with high sealing performance | |
| CN203023573U (en) | Fireproof flue check valve | |
| CN208331347U (en) | A kind of huge discharge flow-guiding type fire-preventing check valve and fume diversion structure | |
| CN204929501U (en) | Collection accuse cabinet of intelligence accuse temperature cabinet body device and use cabinet body device | |
| CN202001680U (en) | Smoke-discharging and fire-protection check valve | |
| CN201787139U (en) | Coupling type check valve capable of discharging oil and smoke and resisting fire | |
| CN203784407U (en) | Flue fire damper | |
| CN103925401A (en) | Flue fire damper | |
| CN219432530U (en) | Fireproof check valve for flue | |
| CN219177018U (en) | Smoke-discharging fireproof valve | |
| CN202149256U (en) | Fireproof check valve for flue | |
| CN201490595U (en) | Explosion-proof fire-resisting valve applied to high voltage capacitor rooms | |
| CN205244417U (en) | Fire -resistant fire prevention valve of high airtight height | |
| CN211117839U (en) | Fire-proof valve for range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |
|
| WD01 | Invention patent application deemed withdrawn after publication |