CN205822707U - Fire-type movable type variable-pressure exhaust passage - Google Patents
Fire-type movable type variable-pressure exhaust passage Download PDFInfo
- Publication number
- CN205822707U CN205822707U CN201620792699.4U CN201620792699U CN205822707U CN 205822707 U CN205822707 U CN 205822707U CN 201620792699 U CN201620792699 U CN 201620792699U CN 205822707 U CN205822707 U CN 205822707U
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- China
- Prior art keywords
- valve block
- fire
- exhaust passage
- pressure exhaust
- valve body
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Abstract
This utility model relates to a kind of fire-type movable type variable-pressure exhaust passage.Mainly solve flue narrow, not smooth and that flame prolongs flue diffusion when the building fire problem of user's chimney meatus transmitting smoke of many times.By arranging firebreak device on stopping means; mode with the combined closing valve block of temperature-sensitive element and torsionspring; achieve fireproof function, and on valve body or valve block, install the mode of transformation sheet additional, when not in use; transformation sheet playbacks; it is not take up flue space, it is simple to smoke evacuation, this utility model simple in construction; it is applicable to various types of building exhausting duct, it is to avoid building occur the danger of extensive fire.
Description
Technical field
This utility model relates to building exhausting duct, specifically a kind of fire-type movable type variable-pressure exhaust passage.
Background technology
At present, all kinds of houses are all to use common exhaust duct, and each resident family is all the non-return by installing on main pipeline
Useless flue gas, under the effect becoming negative pressure, is entered by air bleeding valve, guide pipe and variable-pressure plate by oneself exhaust duct air inlet each
Trachea, is entering into the main airway of exhaust duct, roof is discharging, and principle is that flue gas passes through smoke exhaust or ventilation fan sucks unidirectional
Exhaust check valve enters guide pipe and enters in main pipeline, in main pipeline the offside of guide pipe or homonymy be conformed with and lower slightly
In the variable-pressure plate of guide pipe gas outlet height, the cross-sectional area formed in main airway diminishes, when flue gas from bottom to top is by this
During cross section, the flow velocity of flue gas is accelerated, and when moment passes through guide pipe gas outlet, although cross section becomes suddenly big, but flue gas can be with used
Property continue up traveling, cause guide pipe gas outlet to produce negative pressure, stop indoor smoke blowing taint of odour phenomenon and occur.
There are problems in said exhaust road, and the transformation of such exhausting duct of first valve block when air inlet not aerofluxus has well
Sealing, it is not necessary to produce negative pressure, volume that in exhaust duct, variable-pressure plate is horizontal or occupy the area of main airway transverse section sectional area
It is all that size is constant, and exhaust duct also increases along with the increase of domestic floor, increasing of smoke discharging amount, smoke evacuation tolerance,
The sectional area of its exhaust duct main body or exhaust duct body lumen section also to increase, to meet the discharge of flue gas increase part, with
This simultaneously, smoke discharging is to be completed by smoke exhaust ventilator and exhaust fan mostly, and due to power superposition, the amount of smoke discharging is the most,
Flue gas is the fastest at main airway flow velocity, so the effectively circulation flue gas interface of transformation body and main airway cannot change, it two is to guide
Tube opening upwards and surrounds exhaust check valve, and the valve block of air bleeding valve is to prolong guide pipe inner wall outside upper shed or under shed is opened
Opening, have junk when valve block is closed to time between valve block and guide pipe, valve block cannot be opened, and the most also occupies the limited of main airway
Space. it three is: when lower floor's house occurs fire residence, and flame can by kitchen or toilet exhausting duct string to upper strata or more layers firmly
Residence, causes more serious fire.
Utility model content
For solve problem present in background technology the utility model proposes a kind of flue gas discharge smooth, can effectively prevent
The fire-type movable type variable-pressure exhaust passage of fire diffusion.
Technical scheme: a kind of fire-type movable type variable-pressure exhaust passage, including valve body, valve block, transformation sheet, stopping means, prevents
Fire device, valve body is arranged on flue preformed hole, valve body lower end be hinged with for close valve block, valve block both sides correspondence sets
It is equipped with for closing the Air deflector of lateral opening when valve block is opened, is additionally provided with at body base and protruding supports in bending
By the stopping means outside valve block, being provided with transformation sheet outside described valve block, inner side is provided with weight, described stopping means
Being folded upward at part is spacing pole, and the limited block against valve block is arranged at spacing pole top, in limited block lowermost limit pole
Side is provided with firebreak device；
Further, described transformation sheet is arranged at valve block outer upper, and not higher than the leading of valve block and its side
The minimum point of the flow-guiding channel outlet that stream fin is formed；
Further, described transformation sheet is outward extending flat board or is bent upwards into arcuation；
Further, described weight includes screw rod and adjusting nut；
Further, described firebreak device includes the torsion bullet that spacing temperature-sensitive element is spacing with limited temperature-sensitive element
Spring；
Further, described valve body top edge is provided with support bar, and support bar outer end is provided with pulley, limit below valve body
Edge is hinged with transformation sheet, and valve block outward flange is connected with transformation sheet by pulley；
Further, described valve block outward flange is directly connected to by attachment means with transformation sheet.
Provide the benefit that: by using the technical solution of the utility model, valve block is installed transformation sheet, replaces fixed
Variable-pressure plate, it is ensured that the sectional area of exhaust duct inner chamber section, meets the discharge of flue gas increase part, have employed and include temperature-sensitive element
Firebreak device, when flame is by air flue, valve block is compressed and closes by firebreak device, prevents fire from creeping up along flue, it is to avoid
Condition of a fire expansion, this utility model simple in construction, it is adaptable to most of building smoke evacuation systems.
Accompanying drawing explanation
Fig. 1 is this utility model sectional side view.
Fig. 2 is this utility model organigram.
Fig. 3 is this utility model pulley-type downward swing door exhaust duct schematic diagram.
Fig. 4 is this utility model suspension downward swing door exhaust duct schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further analyzed.
By a kind of fire-type movable type variable-pressure exhaust passage shown in Fig. 1, Fig. 2, including valve body 1, valve block 2, transformation sheet 3, limit
Position device 4, firebreak device 5, valve body 1 is arranged on flue preformed hole, be hinged with in valve body 1 lower end for close valve block 2,
Being upper shed when valve block 2 is opened, valve block 2 both sides are correspondingly arranged on for closing the Air deflector of lateral opening when valve block 2 is opened,
Be additionally provided with bottom valve body 1 protruding in bending against the stopping means 4 outside valve block 2, outside described valve block 2 pacify
Equipped with transformation sheet 3, inner side is provided with weight, and described stopping means 4 is folded upward at part for spacing pole, spacing pole top
There is the limited block against valve block 2, inside limited block lowermost limit pole, be provided with firebreak device 5.
As an embodiment of the present utility model, described transformation sheet 3 is arranged at valve block 2 outer upper, and not
Minimum point higher than the flow-guiding channel outlet that the Air deflector of valve block 2 with its side is formed, it is to avoid owing to transformation sheet 3 is too high, shadow
Pilot's circulation road negative pressure state, flue gas is entered by the interior conduit of valve body 1 suitable above the Air deflector of valve block 2 side and connection thereof
Resident family is indoor；Transformation sheet 3 on valve block 2 blocks beneath portions flue flue gas upwards also stretching out the part outside valve block 2
Having carried out transformation, valve block 2 forms a flow-guiding channel with Air deflector simultaneously, causes the flue gas in flow-guiding channel at negative pressure shape
Exhausting duct is entered smoothly under state.When valve block 2 is closed under conditions of active force, transformation sheet 3 is reset to valve body 1 gold medal with valve block 2
Belonging to transformation and effectively enclose the outlet of valve body 1, now smokeless passes through valve block 2, it is not necessary to transformation, does not now prolong in exhausting duct
The potential device of the vertical projection of exhausting duct, in reaching exhausting duct, sectional area is maximum, is conducive to lower section flue gas to pass through fully up.
As an embodiment of the present utility model, described transformation sheet 3 for outward extending flat board or is bent upwards into
Arcuation, its shape size freely can set according to the demand of different floor difference flues.
As an embodiment of the present utility model, described weight includes screw rod and adjusting nut, valve block 2 Air deflector
With transformation sheet 3 assembly overall weight at valve block and within maximum open position, by the adjusting nut on regulation weight, valve block
The center of gravity of 2 guarantees valve block 2 return so that opening, remain the line of center of gravity and jointed shaft tilt to the right and with level
Wire clamp angle is less than 90 °, and the design of adjusting nut makes this utility model be not only applicable to vertical gas pass, passes through adjusting nut
Center-of-gravity regulating, is adapted to the flue that more perspective tilts.
As an embodiment of the present utility model, described firebreak device includes spacing temperature-sensitive element and limited temperature-sensitive
The torsionspring that element is spacing, the spring being normally used for fireproof closedown valve block 2 is normally open, when fire occurs,
When only reaching 150 DEG C in exhausting duct, temperature-sensitive element action, decontrol torsionspring, torsionspring limits bar and upsprings, to valve block
2 apply power so that it is remain off, at this moment indoor flame cannot enter flue by valve block 2, it is to avoid flame edge
Flue to diffusion.
As an embodiment of the present utility model, as it is shown on figure 3, its middle valve plate 2 is under shed pattern, described valve body
1 top edge is provided with support bar 6, and support bar 6 outer end is provided with pulley, and valve body 1 lower edge is hinged with transformation sheet 3, outside valve block 2
Edge is connected with transformation sheet 3, when valve block 2 is opened, by the effect of pulley so that transformation sheet 3 trails, valve block by pulley
During 2 closedown, connecting line is drawn in by pulley driving transformation sheet 3.
As an embodiment of the present utility model, valve block 2 outward flange as described in Figure 4 fills by being connected with transformation sheet 3
Putting and be directly connected to, transformation sheet 3 carries out stretching out according to the opening and closing of valve block 2, gathering action, and wherein, attachment means can be connecting rod,
Or the connecting line such as cordage, steel wire rope, normally-open for ensureing valve block 2, it is hinged on the transformation sheet below valve body 1 air outlet
3 make for fire-proof light material, will not occur because transformation sheet 3 weight causes greatly the problem that valve block 2 cannot be normally-open.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is without departing from this utility model to restriction of the present utility model
Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, revise, replace and
Modification.
Claims (7)
1. a fire-type movable type variable-pressure exhaust passage, including valve body (1), valve block (2), transformation sheet (3), stopping means (4), prevents
Fire device (5), valve body (1) is arranged on flue preformed hole, be hinged with in valve body (1) lower end for close valve block (2), valve
Sheet (2) both sides are correspondingly arranged on for closing the Air deflector of lateral opening when valve block (2) is opened, and also set in valve body (1) bottom
Be equipped with protruding in bending the stopping means (4) against valve block (2) outside, it is characterised in that: described valve block (2) outside
Being provided with transformation sheet (3), inner side is provided with weight, and it is spacing pole that described stopping means (4) is folded upward at part, spacing
There is the limited block against valve block (2) in masthead portion, is provided with firebreak device (5) inside limited block lowermost limit pole.
Fire-type movable type variable-pressure exhaust passage the most according to claim 1, it is characterised in that: described transformation sheet (3) peace
It is contained at valve block (2) outer upper, and the flow-guiding channel outlet of the not higher than Air deflector formation of valve block (2) and its side
Minimum point.
Fire-type movable type variable-pressure exhaust passage the most according to claim 1 and 2, it is characterised in that: described transformation sheet (3)
For outward extending flat board or be bent upwards into arcuation.
Fire-type movable type variable-pressure exhaust passage the most according to claim 1, it is characterised in that: described weight includes screw rod
With adjusting nut.
Fire-type movable type variable-pressure exhaust passage the most according to claim 1, it is characterised in that: described firebreak device includes
The torsionspring that spacing temperature-sensitive element is spacing with limited temperature-sensitive element.
Fire-type movable type variable-pressure exhaust passage the most according to claim 1, it is characterised in that: described valve body (1) top
Edge is provided with support bar (6), and support bar (6) outer end is provided with pulley, and valve body (1) lower edge is hinged with transformation sheet (3), valve block
(2) outward flange is connected with transformation sheet (3) by pulley.
Fire-type movable type variable-pressure exhaust passage the most according to claim 6, it is characterised in that: described valve block (2) outside
Edge is directly connected to by attachment means with transformation sheet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792699.4U CN205822707U (en) | 2016-07-26 | 2016-07-26 | Fire-type movable type variable-pressure exhaust passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792699.4U CN205822707U (en) | 2016-07-26 | 2016-07-26 | Fire-type movable type variable-pressure exhaust passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205822707U true CN205822707U (en) | 2016-12-21 |
Family
ID=57560364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620792699.4U Expired - Fee Related CN205822707U (en) | 2016-07-26 | 2016-07-26 | Fire-type movable type variable-pressure exhaust passage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205822707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049827A (en) * | 2016-07-26 | 2016-10-26 | 孙常义 | Fireproof and movable transformation exhaust duct |
-
2016
- 2016-07-26 CN CN201620792699.4U patent/CN205822707U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049827A (en) * | 2016-07-26 | 2016-10-26 | 孙常义 | Fireproof and movable transformation exhaust duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20200726 |