CN108344142A - A kind of sector structure shock-wave resistant air vent valve - Google Patents
A kind of sector structure shock-wave resistant air vent valve Download PDFInfo
- Publication number
- CN108344142A CN108344142A CN201810062223.9A CN201810062223A CN108344142A CN 108344142 A CN108344142 A CN 108344142A CN 201810062223 A CN201810062223 A CN 201810062223A CN 108344142 A CN108344142 A CN 108344142A
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- frame
- valve disc
- press strip
- 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
- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 description 14
- 230000006378 damage Effects 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000270708 Testudinidae Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/105—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers composed of diaphragms or segments
Abstract
The invention discloses a kind of sector structure shock-wave resistant air vent valves, including frame, one or more spools, the first press strip, the second press strip and Bian Gai；First press strip and the second press strip are pressed on spool, Bian Gai on frame by bolt；The spool includes valve buckle, valve disc, valve shaft, spring return mechanism, the valve buckle is composed of front and back frame, side frame, upper and lower frames, the upper and lower frames are to outside edge, the valve shaft is mounted on side frame and can be rotated around Pivot Point Center, the first ventilation hole is offered on valve disc, the front and back frame inner surface can be bonded with the valve disc surface in extreme position, the second ventilation hole to misplace with the first ventilation hole is provided on front and back frame, the spring return mechanism is connected with valve disc, the beneficial effects of the invention are as follows：Bidirectional protective automatically resets, is simple in structure, and demolition and maintenance are convenient；Dependable performance can bear larger impact wave load, and wave transmission rate is low, and leakage rate is low.
Description
Technical field
The present invention relates to a kind of shock-wave resistant air vent valve, realized pair more particularly to a kind of spool using sector structure
The ventilation valve of the resistance of shock wave belongs to ventilating machinary field.
Background technology
When carrying out Security design of architecture, it is necessary to consider corresponding HVAC facilities design.In order to avoid explosion wave
The negative pressure of the generations such as positive pressure, typhoon or the cyclone of generation damages the ventilation equipment in building, is caused to personnel
Damage, need the end in heating and ventilating equipment install some can under positive pressure, negative pressure moment close shock wave resistance valve.On once
When stating positive pressure or negative pressure condition generation, shock wave resistance valve can be closed moment, is separated the connection inside and outside building, is avoided building
Interior pressure rise sharply or rapid drawdown and cause unnecessary loss, and at nominal conditions, which is also responsible for room
Interior ventilation function meets indoor air-conditioning requirement.
Chinese invention patent《Bilateral shock-wave resistant air vent valve》Application number：201210480899.2 spool is equipped with through-hole,
Axis is connect across through-hole with valve body, and the both sides positioned at spool on axis are set with compression spring, when blast wave is acted on spool, spool
It is more likely to produce Small-angle Rotation, just will produce card resistance, or even will produce the phenomenon that spool cannot close.
Chinese invention patent《Ventilation valve blade resistance to compression framework》Application number：201320324895.5 can only resist unidirectional
High pressure, cannot be two-way.
Chinese invention patent《Anti-explosive valve》Application number：201420452617.2 all torsional springs are arranged at valve inner,
When having blast wave effect, torsional spring also can be easy failure by the percussion of blast wave, and failure mode is that cannot reset, at this time
Closing is possibly blown in normal ventilation, and if the strut of installation torsional spring is broken, strut, the torsional spring of fracture are likely to shadow
Ring the normal use of spool.
Chinese invention patent of invention《A kind of imitative tortoise plastron valve body and anti-explosive valve》Application number：201510733938.9 frame knot
Structure is more complex, and spool needs to expend a large amount of workload when making, and safeguards inconvenience.
Chinese invention patent《Shock wave resistance valve》Application number：201510751884.9 the length accuracy requirement to balancing pole
Higher, if length is inconsistent, after closing valve disc one end fitting valve body, the other end is not bonded, and is not highly resistant to impact
Wave.
Chinese invention patent《A kind of two-way anti-explosive valve》Application number：201520248583.X valve plate selects latch plate, and
Mouth corresponding with valve body is offered on valve plate, the intensity of such latch plate just substantially reduces, and to resist shock wave, just
Need latch plate to have enough intensity, this make use of momentum it is necessary latch plate is thickeied, and thicken after latch plate its elasticity will not
Sufficient, this pair of contradictory body not can solve in reality.
Chinese invention patent《The closed spout air-valve of modular bilateral shock resistance》Application number：Valve in 201611100404.3
Leaf has two pieces, and in assembly, workload is bigger in this way, and the invention is only suitable for producing the valve of small dimension in actual production
Door, because when producing the valve of big specification, intensity, the flatness of valve disc are difficult to meet the requirements.
Chinese invention patent《The closed spout air-valve of frame integrated form shock resistance》Application number：Valve in 201611100403.9
Frame is integral formula, separates vent passages by the way that the form of reinforcing rib, bottom plate is arranged inside valve buckle, this kind of mode is not suitable for
Produce in enormous quantities, because needing first to determine the quantity of determining vent passages in design, considers further that reinforcing rib inside valve buckle, bottom
How plate distributes, and working efficiency is not high.
Invention content
To overcome drawbacks described above, the present invention is intended to provide a kind of spool using sector structure realizes supporting for shock wave
Anti- ventilation valve, to solve the problems, such as to have in above-mentioned background technology.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of sector structure shock-wave resistant air vent valve, including
Frame, one or more spools, the first press strip, the second press strip and Bian Gai；It is provided with bolt on first press strip, the second press strip
Hole；First press strip and the second press strip are pressed on spool, Bian Gai on frame by bolt；
The spool includes valve buckle, valve disc, valve shaft, spring return mechanism, and the valve buckle is by front and back frame, side frame, upper and lower frames
It is composed, the upper and lower frames are provided with half bolt hole to outside edge on flanging, and the valve shaft is mounted on side frame and can
To be rotated around Pivot Point Center, the valve disc is fixedly mounted on valve shaft and inside the valve buckle, and offers on valve disc the
One ventilation hole, the front and back frame interlude tilts, and inner surface can be bonded with the valve disc surface in extreme position, in front and back frame
On be provided with the second ventilation hole to misplace with the first ventilation hole, the spring return mechanism is connected with valve disc so that valve disc is in
Normally open.
The access hole of valve disc, valve shaft can be dismantled by being offered on the side frame of the spool, and peace is fixed in the outside of side frame
Equipped with a support plate, the through-hole of bearing valve shaft is provided in the support plate, the spring return mechanism setting is supporting
The outside of plate can also be arranged in the inside of support plate.
The spring return mechanism has, is located at the both sides of spool.
The spring return mechanism is mounted on the outside of the support plate of the spool, and structure is：On the supporting plate, it is in
Be installed with the first pulling plate below valve shaft, the second pulling plate is mounted on valve shaft, first pulling plate and the second pulling plate it
Between be set with an extension spring.
Second pulling plate is fixedly connected on an axle sleeve, and the axle sleeve is sleeved on valve shaft, and is adopted between valve shaft
It is connected with.
When the valve disc of the spool is in center, the central axes of extension spring, the second pulling plate and valve disc are in same
In plane.
The side frame of the spool is equipped with end cap to outside edge on side frame, and the end cap is by spring return mechanism lid
Firmly.
Compared with prior art, the beneficial effects of the invention are as follows：
1, normal ventilation under normal circumstances, when positive/negative-pressure generates, valve disc energy moment closes, and realizes the work(of bidirectional protective
Energy；After the disappearance of extraneous positive/negative-pressure, valve disc is returned to centre position under extension spring effect, without human intervention；
2, simple in structure, demolition and maintenance are convenient；
3, the valve disc of spool uses integral design, more more reliable than being closed using the spool of multi-channel structure design；
4, valve disc is screed form, and the valve disc of curved-surface structure more any type of than other is equal to the reaction speed of positive/negative-pressure
Block, shut-in time are not more than 2ms；
5, larger impact wave load can be born, wave transmission rate is low, and leakage rate is low.
Description of the drawings
Fig. 1 is the cross-sectional view of the present invention；
Fig. 2 is the structural schematic diagram of the present invention；
Fig. 3 is the overlooking structure diagram of Fig. 2；
Fig. 4 is the general assembly drawing of the present invention.
In figure：1- frames, 2- spools, the first press strips of 3-, the second press strips of 4-, the sides 5- lid, 21- valve buckles, 22- valve discs, 23- valves
Axis, 24- spring return mechanisms, 25- support plates, 26- end caps, frame before and after 211-, 212- side frames, 213- upper and lower frames, half spiral shells of 214-
Keyhole, the second ventilation holes of 215-, 216- access holes, the first ventilation holes of 221-, the first pulling plates of 241-, the second pulling plates of 242-, 243-
Extension spring, 244- axle sleeves.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in figure 4, the invention discloses a kind of sector structure shock-wave resistant air vent valve, including frame 1, one or more
Spool 2, the first press strip 3, the second press strip 4 and Bian Gai 5；It is provided with bolt hole on first press strip 3, the second press strip 4；Described
One press strip 3 and the second press strip 4 are pressed on spool 2, side lid 5 on frame 1 by bolt；In conclusion with existing shock resistance
The structure of wave ventilation valve is almost the same.
As shown in Figure 1-Figure 3, innovative point of the invention essentially consists in：The spool 2 includes valve buckle 21, valve disc 22, valve shaft
23, spring return mechanism 24, the valve buckle 21 are composed of front and back frame 211, side frame 212, upper and lower frames 213, the upper and lower frames
213 to outside edge, and half bolt hole 214 is provided on flanging, and the valve shaft 23 is mounted on side frame 212 and can be around itself
Axis rotation, the valve disc 22 are fixedly mounted on valve shaft 23 and inside the valve buckles 21, and offer on valve disc 22 the
One ventilation hole 221,211 interlude of the front and back frame tilts, and inner surface can be bonded with 22 surface of valve disc in extreme position,
The second ventilation hole 215 to misplace with the first ventilation hole 221, the spring return mechanism 24 and valve are provided on front and back frame 211
Leaf 22 is connected so that valve disc 22 is in normally open.
Operation principle：In normal work, due to there is dislocation, gas between the second ventilation hole 215 and the first ventilation hole 221
Stream can generate a thrust to valve disc 22, and at this point, the thrust is not enough to the drawing for overcoming extension spring 243 to apply valve disc 22
Power, so spool 2 is still in open state, at this point, air-flow is entered by the second ventilation hole 215 in front frame in valve buckle 21, and
The first ventilation hole 221 on valve disc 22 is flowed through, the second ventilation hole 215 on after-frame is finally flowed through, realizes the positive normal open of ventilation valve
Wind；When the high pressure draughts such as shock wave or cyclone arrive, high speed and high pressure air-flow thrust that valve disc 22 is generated that moment generates
Much larger than the pulling force that extension spring 243 applies valve disc 22, which makes 22 moment of valve disc turn to after-frame direction along valve shaft 23
Dynamic, when valve disc 22, which is turned to, to fit with after-frame, the first ventilation hole 221 on valve disc 22 is just covered by after-frame, on after-frame
The second ventilation hole 215 just covered by valve disc 22 so that vent passages are closed, and have separated shock wave；When shock wave disappears
Afterwards, under the action of spring return mechanism 24, valve disc 22 is rotated along valve shaft 23 to front frame direction, and is finally stopped in vertical position
Under, so that ventilation valve is in open state.
Sector structure shock-wave resistant air vent valve of the present invention, another innovative point are：In the side of the spool 2
The access hole 216 of valve disc 22, valve shaft 23 can be dismantled by being offered on frame 212, and a branch is installed in the outside of side frame 212
Fagging 25, is provided with the through-hole of bearing valve shaft 23 in the support plate 25, and the spring return mechanism 24 is arranged in support plate
25 inside.The spring return mechanism 24 has 2, is located at the both sides of spool.The setting of access hole 216 is convenient for spool
2 are overhauled, if spring return mechanism 24 is mounted on the inside of support plate 25, first, blast wave or cyclone are next interim, compared with
Big shock wave is likely to result in the destruction of spring return mechanism 24, thus affects the service life of spool 2；Second, bullet
The installation of spring resetting-mechanism 24 needs certain space, and the size of spool will certainly be caused to increase；Third, installation is inconvenient.
So preferably, the spring return mechanism 24 is mounted on the outside of the support plate 25 of the spool 2,
Its structure is：The first pulling plate 241 is installed in support plate 25, in the lower section of valve shaft 23, the second pulling plate 242 is mounted on
On valve shaft 23, an extension spring 243 is set between first pulling plate, 241 and second pulling plate 242.Second pulling plate
242 are fixedly connected on an axle sleeve 244, and the axle sleeve 244 is sleeved on valve shaft 23, and are connected using bolt between valve shaft 23
It connects.When the valve disc 22 of the spool 2 is in center, at the central axes of extension spring 243, the second pulling plate 242 and valve disc 22
In in same plane.The side frame 212 of the spool 2 is equipped with end cap 26 to outside edge on side frame 212, the end cap 26
Spring return mechanism 24 is covered.It is damaged to avoid the shock of outer bound pair spring return mechanism 24.And side frame 212 is to outside edge
End cap 26 can be protected not damaged by blast wave.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of sector structure shock-wave resistant air vent valve, including frame (1), one or more spools (2), the first press strip (3), the
Two press strips (4) He Biangai (5)；First press strip (3), the second press strip are provided with bolt hole on (4)；First press strip (3)
Spool (2), side lid (5) are pressed on frame (1) by bolt with the second press strip (4)；
It is characterized in that：The spool (2) includes valve buckle (21), valve disc (22), valve shaft (23), spring return mechanism (24), institute
It states valve buckle (21) to be composed of front and back frame (211), side frame (212), upper and lower frames (213), the upper and lower frames (213) are to rolled over
Side, and half bolt hole (214) is provided on flanging, the valve shaft (23) is mounted on side frame (212) and can be around itself axis
The heart rotates, and the valve disc (22) is fixedly mounted on valve shaft (23) and positioned at valve buckle (21) inside, and is opened on valve disc (22)
Equipped with the first ventilation hole (221), described front and back frame (211) interlude tilts, and inner surface can be with the valve disc in extreme position
(22) surface is bonded, and the second ventilation hole (215) to misplace with the first ventilation hole (221) is provided on front and back frame (211), described
Spring return mechanism (24) is connected with valve disc (22) so that for spool (2) in normal work, valve disc (22) is in normally open.
2. sector structure shock-wave resistant air vent valve according to claim 1, it is characterised in that：Side in the spool (2)
The access hole (216) of valve disc (22), valve shaft (23) can be dismantled by being offered on frame (212), and peace is fixed in the outside of side frame (212)
Equipped with a support plate (25), the through-hole of bearing valve shaft (23), the spring reset machine are provided in the support plate (25)
Structure (24) is arranged in the outside of support plate (25), and the inside in support plate (25) can also be arranged.
3. sector structure shock-wave resistant air vent valve according to claim 2, it is characterised in that：The spring return mechanism
(24) there are 2, be located at the both sides of spool (2).
4. sector structure shock-wave resistant air vent valve according to claim 2, it is characterised in that：The spring return mechanism
(24) it is mounted on the outside of the support plate (25) of the spool (2), structure is：In support plate (25), it is in valve shaft (23)
Lower section be installed with the first pulling plate (241), the second pulling plate (242) is installed on valve shaft (23), in first pulling plate
(241) extension spring (243) is set between the second pulling plate (242).
5. sector structure shock-wave resistant air vent valve according to claim 4, it is characterised in that：Second pulling plate (242)
It is fixedly connected on an axle sleeve (244), the axle sleeve (244) is sleeved on valve shaft (23), and is used between valve shaft (23)
It is bolted.
6. sector structure shock-wave resistant air vent valve according to claim 4, it is characterised in that：The valve disc of the spool (2)
(22) when being in center, the central axes of extension spring (243), the second pulling plate (242) are in same plane with valve disc (22)
It is interior.
7. sector structure shock-wave resistant air vent valve according to claim 4, it is characterised in that：The side frame of the spool (2)
(212) to outside edge, and end cap (26) is installed on side frame (212), the end cap (26) covers spring return mechanism (24)
Firmly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062223.9A CN108344142A (en) | 2018-01-23 | 2018-01-23 | A kind of sector structure shock-wave resistant air vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810062223.9A CN108344142A (en) | 2018-01-23 | 2018-01-23 | A kind of sector structure shock-wave resistant air vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108344142A true CN108344142A (en) | 2018-07-31 |
Family
ID=62961573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810062223.9A Pending CN108344142A (en) | 2018-01-23 | 2018-01-23 | A kind of sector structure shock-wave resistant air vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344142A (en) |
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| JPH06221453A (en) * | 1993-01-28 | 1994-08-09 | Fuji Electric Co Ltd | Thermal safety valve and gas pump provided with above valve |
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| CN205094317U (en) * | 2015-09-17 | 2016-03-23 | 江苏美的清洁电器股份有限公司 | Dust catcher and full indicating device of dirt thereof |
| JP2016080079A (en) * | 2014-10-17 | 2016-05-16 | ナブテスコ株式会社 | Fluid control valve |
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| CN106679142A (en) * | 2016-12-02 | 2017-05-17 | 无锡斐冠工业设备有限公司 | Frame integrated type shock resistance airtight tornado valve |
| CN106766062A (en) * | 2016-12-02 | 2017-05-31 | 无锡斐冠工业设备有限公司 | The closed spout air-valve of modular bilateral shock resistance |
| CN206830903U (en) * | 2017-06-27 | 2018-01-02 | 中煤科工集团重庆研究院有限公司 | Buffer-type explosive flame partition apparatus |
| US20190257549A1 (en) * | 2016-09-13 | 2019-08-22 | Beth-El Zikhron Yaaqov Industries Ltd. | Blast valve utilizing an aerodynamically configured blade |
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| GB987363A (en) * | 1962-05-14 | 1965-03-31 | Rickenbach Hugo | Improvements in or relating to ventilator valves |
| GB2048827A (en) * | 1979-05-04 | 1980-12-17 | Chappell A | Metering device |
| JPH06221453A (en) * | 1993-01-28 | 1994-08-09 | Fuji Electric Co Ltd | Thermal safety valve and gas pump provided with above valve |
| CN1274329A (en) * | 1997-09-19 | 2000-11-22 | 沃特福尔公司 | Contamination-safe multi-dose dispensing and delivery system for flowable materials |
| CN1333727A (en) * | 1998-11-19 | 2002-01-30 | 西奎斯特封闭件外国公司 | Valve-containing fitment for package |
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| CN103075229A (en) * | 2011-10-07 | 2013-05-01 | 爱三工业株式会社 | Flow control valve |
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| CN204372254U (en) * | 2014-12-08 | 2015-06-03 | 辽宁科技大学 | A kind of low consumption flow-limiting water-saving device |
| CN204739241U (en) * | 2015-04-02 | 2015-11-04 | 彭万旺 | Disk governing valve |
| CN205094317U (en) * | 2015-09-17 | 2016-03-23 | 江苏美的清洁电器股份有限公司 | Dust catcher and full indicating device of dirt thereof |
| CN105240586A (en) * | 2015-10-30 | 2016-01-13 | 无锡斐冠工业设备有限公司 | Turtle-shell-imitating valve bodies and knock valve |
| CN105370945A (en) * | 2015-11-06 | 2016-03-02 | 江苏爵格工业设备有限公司 | Impact wave resisting valve |
| CN106090253A (en) * | 2016-08-17 | 2016-11-09 | 南方风机股份有限公司 | A kind of can the shock wave resistance valve of two-way reset |
| US20190257549A1 (en) * | 2016-09-13 | 2019-08-22 | Beth-El Zikhron Yaaqov Industries Ltd. | Blast valve utilizing an aerodynamically configured blade |
| CN106679142A (en) * | 2016-12-02 | 2017-05-17 | 无锡斐冠工业设备有限公司 | Frame integrated type shock resistance airtight tornado valve |
| CN106766062A (en) * | 2016-12-02 | 2017-05-31 | 无锡斐冠工业设备有限公司 | The closed spout air-valve of modular bilateral shock resistance |
| CN206830903U (en) * | 2017-06-27 | 2018-01-02 | 中煤科工集团重庆研究院有限公司 | Buffer-type explosive flame partition apparatus |
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Application publication date: 20180731 |
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