CN207716609U - A kind of fire-fighting ventilation shaft - Google Patents
A kind of fire-fighting ventilation shaft Download PDFInfo
- Publication number
- CN207716609U CN207716609U CN201721825028.4U CN201721825028U CN207716609U CN 207716609 U CN207716609 U CN 207716609U CN 201721825028 U CN201721825028 U CN 201721825028U CN 207716609 U CN207716609 U CN 207716609U
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- China
- Prior art keywords
- connecting tube
- fire
- sliding block
- wall
- smoke exhaust
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Abstract
The utility model discloses a kind of fire-fighting ventilation shafts, are related to fire-fighting domain, it is intended to solve the problems, such as that the ventilation effect of existing ventilation smoke extraction system is bad, smoke exhaust efficiency is low.Its key points of the technical solution are that when original state, blast pipe is connected to connecting tube, and smoke exhaust pipe is not connected to connecting tube, can be to indoor conveying ozone by suction ventilator.When interior, which catches fire, to produce thick smoke, by control mechanism so that smoke exhaust pipe is connected to connecting tube, and so that blast pipe is disconnected with connecting tube and be connected to, you can dense smoke is drained by outdoor by the exhaust blower in smoke exhaust pipe.Have the effect of that ventilation effect is good, smoke exhaust efficiency is high.
Description
Technical field
The utility model is related to fire-fighting domains, more specifically, it relates to a kind of fire-fighting ventilation shaft.
Background technology
Ventilation shaft is the air grid optimization metal or compound pipeline complex pipeline of industry and civil buildings, is to make air
Circulation reduces harmful gas concentration.
Existing Authorization Notice No. is that the Chinese patent of CN204513683U discloses a kind of no ventilation shaft induction type ventilation
Smoke evacuation system, including independent smoke evacuation system, without underfloor vent pipe induction type ventilating system, the independent smoke evacuation system packet
Smoke exhaust fan, smoke outlet, smoke discharging pipe, smoke exhaust fire damper are included, the smoke outlet is arranged on the metope in ceiling or close to ceiling,
The smoke exhaust fire damper is mounted on smoke discharging pipe inlet；The no underfloor vent pipe induction type ventilating system includes induced air
Machine unit, pressure fan, exhaust blower, exhaust duct, exhaust outlet, Electric air valve, the Induced fan unit are arranged in floor lower part, lure
The nozzle of induced draft fan is adjustable, and diagonally downward, the Electric air valve is mounted on exhaust duct the jet-core region line of Induced fan.
But the ventilation effect of the ventilation smoke extraction system is bad, depends merely on the wind of Induced fan blowout to guide the stream of smog
To smoke exhaust efficiency is relatively low, and therefore, this problem has to be solved.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of fire-fighting ventilation shaft, tool
There is the advantage that ventilation effect is good, smoke exhaust efficiency is high.
To achieve the above object, the utility model provides following technical solution：
The side of a kind of fire-fighting ventilation shaft, including wall, the wall is interior, and the other side is outdoor, the wall
It is inside provided with ventilation duct, the ventilation duct close to indoor one end there is ventilation opening, the ventilation opening to be located at wall close to indoor
Side wall on；The ventilation duct is provided with and communicated with connecting tube closed at both ends, the connecting tube and ventilation close to outdoor one end
The connecting portion of pipe is in the middle part of connecting tube；It is provided with as axial symmetry using ventilation duct axis in the connecting tube and is connected to connecting tube
Blast pipe and smoke exhaust pipe, the smoke exhaust pipe and blast pipe are connected to outdoor close to outdoor one end；It is set in the smoke exhaust pipe
It is equipped with exhaust blower, suction ventilator is provided in the blast pipe；It is additionally provided in the connecting tube for controlling blast pipe and connecting
The control mechanism of pipe connected state, smoke exhaust pipe and connecting tube connected state.
By using above-mentioned technical proposal, when original state, blast pipe is connected to connecting tube, and smoke exhaust pipe does not connect with connecting tube
It is logical, it can be to indoor conveying ozone, to supplement indoor oxygen by suction ventilator.When interior, which catches fire, to produce thick smoke, lead to
Crossing control mechanism makes smoke exhaust pipe be connected to connecting tube, and so that blast pipe is disconnected with connecting tube and be connected to.At this point, by smoke exhaust pipe
Exhaust blower, you can dense smoke is drained into outdoor, has the advantages that ventilation effect is good, smoke exhaust efficiency is high.
Further, the control mechanism includes the first sliding block and the second sliding block that sliding is arranged in connecting tube, described
First sliding block is corresponding with blast pipe, and second sliding block is corresponding with smoke exhaust pipe；First sliding block is connected with for driving first
Sliding block along connecting tube axial movement with by closed first actuator of the connectivity part of blast pipe and connecting tube, second sliding block
It is connected with for driving the second sliding block along the axial movement of connecting tube with by the connectivity part of smoke exhaust pipe and connecting tube closed second
Actuator.
By using above-mentioned technical proposal, when interior, which catches fire, to produce thick smoke, thrust can be generated by the first actuator
Push the first sliding block in connection in-pipe, at this point, the second actuator, which generates pulling force, pulls the movement of the second sliding block.Pass through two pieces of cunnings
The cooperation of block and respective drive part is not connected to when can smoke exhaust pipe be connected to connecting tube between blast pipe and connecting tube.Make
Obtaining induced-draft fan will not be by outdoor air by blast pipe suction connection, accelerating the efficiency of smoke evacuation.
Further, first actuator and the second actuator are cylinder, and the movable end of first actuator passes through
It wears connecting tube to be fixedly connected with the first sliding block close to the end face of blast pipe, the movable end of second actuator is leaned on through connecting tube
The end face of nearly smoke exhaust pipe is fixedly connected with the first sliding block.
By using above-mentioned technical proposal, cylinder power is sufficient, easy to install, can meet mobile first sliding block and the second sliding block
Demand.On the other hand, the movable end of cylinder is fixedly connected through the end face of connecting tube with corresponding sliding block, is not take up inside connecting tube
Space saves tubing.
Further, it is both provided with cushion pad on the madial wall at the connecting tube both ends.
By using above-mentioned technical proposal, when the first sliding block and the second sliding block are moved to corresponding connecting tube end direction,
Cushion pad slows down the first sliding block and the second sliding block to the impact force of the madial wall of connection tube end, has cushioning effect.
Further, several deformation cavitys are provided in the cushion pad.
By using above-mentioned technical proposal, deformation cavity makes the inside of cushion pad in the hollow state in part so that buffering
The elasticity of pad is more preferable, and buffering effect is more preferably.
Further, the elastic direction of the setting elasticity vertical with the madial wall for connecting tube end in the deformation cavity
Part.
By using above-mentioned technical proposal, elastic force is caused to decline when with the oxygen in air oxidation reaction occurs for cushion pad
When, the cooperation of cavity and elastic component can ensure the elasticity of cushion pad, extend the service life of cushion pad.
Further, the wall is provided with mounting groove on indoor side wall, and the ventilation opening is located at mounting groove
On bottom wall；It is provided with filter cartridge in the mounting groove, several ventilation holes are provided on the filter cartridge；In the filter cartridge and
It is disposed with active carbon filter net, glass fibre high efficiency particulate air and acetate fiber filter screen from ventilation opening to indoor direction.
By using above-mentioned technical proposal, the dense smoke for generation of catching fire is after the purification of filter cartridge so that is discharged to outdoor
Flue gas in deleterious particle content substantially reduce, reduce the pollution to outside air.
Further, it is provided with spring steel ball on the madial wall of the mounting groove, is provided with for spring on the filter cartridge
The card slot that steel ball is caught in.
By using above-mentioned technical proposal, after filter cartridge is fully inserted into mounting groove, spring steel ball can be caught in card slot, tool
Play the role of to prevent filter cartridge from automatically disengaging mounting groove.
Further, the filter cartridge is provided on indoor lateral wall takes object slot, described that rotation in object slot is taken to set
It is equipped with draw ring.
By using above-mentioned technical proposal, by draw ring after taking and being rotated out in object slot, by draw ring can easily by
Filter box is removed.
Further, the elastic clamping block for preventing draw ring rotation is provided on the madial wall for taking object slot.
By using above-mentioned technical proposal, draw ring is limited in by elastic clamping block to be taken in object slot, will not be automatic in object slot from taking
It produces.
In conclusion the utility model has the advantages that：
1, pass through the first sliding block and second when interior, which catches fire, to produce thick smoke by the way that the first sliding block and the second sliding block is arranged
The cooperation of sliding block and respective cylinder can make smoke exhaust pipe be connected to connecting tube, and is not connected between blast pipe and connecting tube, make
Smoke exhaust efficiency will not can be accelerated by outdoor air by blast pipe suction connection, having the effect of by obtaining induced-draft fan；
2, by the way that filter cartridge is arranged, indoor dense smoke is purified through filter cartridge, after filtering, is discharged to having in outdoor flue gas
Evil granule content can substantially reduce, and have the effect of that the pollution to outside air can be reduced；
3, by the way that draw ring is arranged, by draw ring after taking and being rotated out in object slot, pull draw ring that can easily take filter cartridge
Under, have the effect of that filter cartridge can be convenient for changing.
Description of the drawings
Fig. 1 is the overall structure diagram of fire-fighting ventilation shaft in embodiment；
Fig. 2 is the enlarged drawing of part A in Fig. 1；
Fig. 3 is the enlarged drawing of part B in Fig. 1；
Fig. 4 is the structural schematic diagram of filter cartridge in embodiment.
In figure：1, wall；11, indoor；12, outdoor；2, ventilation duct；21, ventilation opening；3, connecting tube；4, blast pipe；41、
Suction ventilator；5, smoke exhaust pipe；51, exhaust blower；6, the first sliding block；61, the first actuator；7, the second sliding block；71, the second actuator；
8, cushion pad；81, deformation cavity；82, elastic component；9, mounting groove；91, filter cartridge；92, ventilation hole；93, active carbon filter net；
94, glass fibre high efficiency particulate air；95, acetate fiber filter screen；96, spring steel ball；97, card slot；98, object slot is taken；981, bullet
Property fixture block；99, draw ring.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Embodiment：
A kind of fire-fighting ventilation shaft, referring to Fig.1 comprising the side of wall 1, wall 1 is interior 11, and the other side is outdoor
12.Ventilation duct 2 is provided in wall 1, ventilation duct 2 is connected to interior 11.Ventilation duct 2 is provided with and communicated with close to one end of outdoor 12
The connecting portion of connecting tube 3 closed at both ends, connecting tube 3 and ventilation duct 2 is in the middle part of connecting tube 3.With ventilation duct in connecting tube 3
2 axis are that axial symmetry is provided with blast pipe 4 and smoke exhaust pipe 5, blast pipe 4 and smoke exhaust pipe 5 close to interior 11 one end with connect
Pipe 3 is connected to, and one end close to outdoor 12 is connected to outdoor 12.
Referring to Fig.1, it is provided with exhaust blower 51 in smoke exhaust pipe 5, forms windstream in smoke exhaust pipe 5 for making, makes interior 11
Air with dense smoke drains into outdoor 12.Suction ventilator 41 is provided in blast pipe 4, it can be new to 11 conveying of interior by suction ventilator 41
Fresh air.It is additionally provided in connecting tube 3 and connects with 3 connected state of connecting tube, smoke exhaust pipe 5 and connecting tube 3 for controlling blast pipe 4
The control mechanism of logical state.Control mechanism includes the first sliding block 6 and the second sliding block 7 that sliding is arranged in connecting tube 3, and first slides
Block 6 is corresponding with blast pipe 4, and the second sliding block 7 is corresponding with smoke exhaust pipe 5.First sliding block 6 is connected with the first actuator 61, the second sliding block 7
It is connected with the second actuator 71, the first actuator 61 and the second actuator 71 are cylinder.The movable end of first actuator 61 passes through
Connecting tube 3 is worn close to the end face of blast pipe 4, and is fixedly connected with the first sliding block 6, for driving the first sliding block 6 along connecting tube 3
The connectivity part of blast pipe 4 and connecting tube 3 is closed or is opened by axial movement.The movable end of second actuator 71 is through connection
Pipe 3 is fixedly connected close to the end face of smoke exhaust pipe 5, and with the first sliding block 6, for driving the second sliding block 7 to be moved along the axial direction of connecting tube 3
It is dynamic, the connectivity part of smoke exhaust pipe 5 and connecting tube 3 is closed or opened.
Referring to Figures 1 and 2, it is both provided with cushion pad 8 on the madial wall at 3 both ends of connecting tube, cushion pad 8 is in the present embodiment
When rubber pad, the first sliding block 6 and the second sliding block 7 are moved to 3 end direction of corresponding connecting tube, rubber pad reduces the first sliding block
6 and second sliding block 7 to the impact force of 3 tip inside wall of connecting tube, there is cushioning effect.Several shapes are provided in cushion pad 8
Become cavity 81 so that the elasticity of cushion pad 8 is more preferable, and buffering effect is more preferably.Elastic component 82, this implementation are provided in deformation cavity 81
Elastic component 82 is spring in example.The elastic force direction of spring is vertical with the madial wall of 3 end of connecting tube, and deformation cavity 81 is matched with spring
It closes, ensure that the persistence of 8 elastic force of cushion pad.
Referring to Figure 1 and Figure 3, wall 1 offers mounting groove 9 on the side wall of interior 11, and ventilation opening 21 is located at mounting groove 9
Bottom wall on.Filter cartridge 91 is detachably provided in mounting groove 9, filter cartridge 91 is close to the side wall of interior 11 and close to ventilation duct 2
Side wall offer several ventilation holes 92.In filter cartridge 91 activated carbon is disposed with from ventilation opening 21 to indoor 11 directions
Filter screen 93, glass fibre high efficiency particulate air 94 and acetate fiber filter screen 95.Catch fire generation dense smoke by filter cartridge 91
Outdoor 12 is discharged to after purification so that the deleterious particle content in the gas of discharge substantially reduces, to reduce to extraneous empty
The pollution of gas.
With reference to Fig. 3, it is both provided with spring steel ball 96 on four madial walls of mounting groove 9, on filter cartridge 91 there are four settings
Card slot corresponding with spring steel ball 96 97.After filter cartridge 91 is fully inserted into mounting groove 9, four spring steel balls 96 can be caught in correspondence
Card slot 97 in, have the function of to prevent filter cartridge 91 from automatically disengaging mounting groove 9.
With reference to Fig. 3 and Fig. 4, filter cartridge 91 offers on the lateral wall of interior 11 and takes object slot 98, takes in object slot 98 and turns
It is dynamic to be provided with draw ring 99, easily filter cartridge 91 can be removed by draw ring 99.Take be arranged on the madial wall of object slot 98 it is flexible
Fixture block 981, draw ring 99 is limited in by elastic clamping block 981 take in object slot 98 after, will not automatically be produced from taking in object slot 98.
Operation principle is as follows：
When original state, blast pipe 4 is connected to connecting tube 3, and smoke exhaust pipe 5 is not connected to connecting tube 3, can by suction ventilator 41
Ozone is conveyed to interior 11, with the oxygen of supplement interior 11.
When interior 11, which catches fire, to produce thick smoke, thrust can be generated by the first actuator 61 and push the first sliding block 6 even
It is moved in take over 3, generating pulling force by the second actuator 71 pulls the movement of the second sliding block 7.So that smoke exhaust pipe 5 connects with connecting tube 3
After logical, blast pipe 4 is connected to the disconnection of connecting tube 3, the first actuator 61 and the second actuator 71 are closed.At this point, passing through smoke exhaust pipe 5
Interior exhaust blower 51, you can dense smoke is drained into outdoor 12, has the advantages that ventilation effect is good, smoke exhaust efficiency is high.
Purification, filtering of the gas of discharge outdoor 12 through filter cartridge 91 so that the content of deleterious particle substantially reduces, and reduces
Pollution to outside air.When needing replacing filter cartridge 91, by draw ring 99 after taking and being rotated out in object slot 98, you can convenient
Filter cartridge 91 is removed.When new filter cartridge 91 is installed, filter cartridge 91 is directed at mounting groove 9, box 91 to be filtered quilt completely first
After being inserted into mounting groove 9, four spring steel balls 96 can be caught in corresponding card slot 97, and having can prevent filter cartridge 91 from automatically disengaging
The effect of mounting groove 9.
Claims (10)
1. the side of a kind of fire-fighting ventilation shaft, including wall (1), the wall (1) is indoor (11), the other side is outdoor
(12), it is characterised in that：Ventilation duct (2), the one end of the ventilation duct (2) close to indoor (11) are provided in the wall (1)
With ventilation opening (21), the ventilation opening (21) is located at wall (1) on the side wall of indoor (11)；The ventilation duct (2) is leaned on
One end of nearly outdoor (12) is provided with and communicated with connecting tube closed at both ends (3), the connection of the connecting tube (3) and ventilation duct (2)
Portion is located at the middle part of connecting tube (3)；It is provided with and connecting tube (3) by axial symmetry of ventilation duct (2) axis on the connecting tube (3)
The blast pipe (4) and smoke exhaust pipe (5) of connection, the smoke exhaust pipe (5) and blast pipe (4) close to outdoor (12) one end with outdoor
(12) it is connected to；
It is provided with exhaust blower (51) in the smoke exhaust pipe (5), suction ventilator (41) is provided in the blast pipe (4)；The connection
It is additionally provided in pipe (3) and is connected to connecting tube (3) with connecting tube (3) connected state, smoke exhaust pipe (5) for controlling blast pipe (4)
The control mechanism of state.
2. fire-fighting ventilation shaft according to claim 1, it is characterised in that：The control mechanism includes sliding setting even
The first sliding block (6) and the second sliding block (7) in (3) are taken over, first sliding block (6) is corresponding with blast pipe (4), and described second slides
Block (7) is corresponding with smoke exhaust pipe (5)；First sliding block (6) is connected with for driving the first sliding block (6) along the axis of connecting tube (3)
To mobile with by closed first actuator (61) of connectivity part of blast pipe (4) and connecting tube (3), second sliding block (7) is even
It is connected to for driving the second sliding block (7) along the axial movement of connecting tube (3) with by the connectivity part of smoke exhaust pipe (5) and connecting tube (3)
Closed second actuator (71).
3. fire-fighting ventilation shaft according to claim 2, it is characterised in that：First actuator (61) and the second driving
Part (71) is cylinder, and the movable end of first actuator (61) is through connecting tube (3) close to the end face of blast pipe (4) and the
One sliding block (6) is fixedly connected, and the movable end of second actuator (71) is through the end face of the close smoke exhaust pipe (5) of connecting tube (3)
It is fixedly connected with the first sliding block (6).
4. fire-fighting ventilation shaft according to claim 1,2 or 3, it is characterised in that：The inside at connecting tube (3) both ends
Cushion pad (8) is both provided on wall.
5. fire-fighting ventilation shaft according to claim 4, it is characterised in that：It is provided with several in the cushion pad (8)
Deformation cavity (81).
6. fire-fighting ventilation shaft according to claim 5, it is characterised in that：Setting is elastic in the deformation cavity (81)
The direction elastic component (82) vertical with the madial wall of connecting tube (3) end.
7. fire-fighting ventilation shaft according to claim 1, it is characterised in that：Side of the wall (1) close to indoor (11)
Mounting groove (9) is provided on wall, the ventilation opening (21) is located on the bottom wall of mounting groove (9)；It is provided in the mounting groove (9)
Filter cartridge (91) is provided with several ventilation holes (92) on the filter cartridge (91)；In the filter cartridge (91) and by ventilation opening
(21) active carbon filter net (93), glass fibre high efficiency particulate air (94) and acetate fiber are disposed with to interior (11) direction
Filter screen (95).
8. fire-fighting ventilation shaft according to claim 7, it is characterised in that：It is arranged on the madial wall of the mounting groove (9)
There is spring steel ball (96), the card slot (97) being caught in for spring steel ball (96) is provided on the filter cartridge (91).
9. fire-fighting ventilation shaft according to claim 7 or 8, it is characterised in that：The filter cartridge (91) is close to indoor
(11) it is provided on lateral wall and takes object slot (98), it is described that rotation in object slot (98) is taken to be provided with draw ring (99).
10. fire-fighting ventilation shaft according to claim 9, it is characterised in that：It is set on the madial wall for taking object slot (98)
It is equipped with the elastic clamping block (981) for preventing draw ring (99) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721825028.4U CN207716609U (en) | 2017-12-22 | 2017-12-22 | A kind of fire-fighting ventilation shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721825028.4U CN207716609U (en) | 2017-12-22 | 2017-12-22 | A kind of fire-fighting ventilation shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207716609U true CN207716609U (en) | 2018-08-10 |
Family
ID=63049483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721825028.4U Active CN207716609U (en) | 2017-12-22 | 2017-12-22 | A kind of fire-fighting ventilation shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207716609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023384A (en) * | 2019-12-28 | 2020-04-17 | 安徽协鼎建设工程有限公司 | Smoke exhaust system for fire engineering |
-
2017
- 2017-12-22 CN CN201721825028.4U patent/CN207716609U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023384A (en) * | 2019-12-28 | 2020-04-17 | 安徽协鼎建设工程有限公司 | Smoke exhaust system for fire engineering |
| CN111023384B (en) * | 2019-12-28 | 2021-09-10 | 安徽协鼎建设工程有限公司 | Smoke exhaust system for fire engineering |
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