CN208058058U - A kind of chute type shock-wave resistant air vent valve - Google Patents
A kind of chute type shock-wave resistant air vent valve Download PDFInfo
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- CN208058058U CN208058058U CN201820109999.7U CN201820109999U CN208058058U CN 208058058 U CN208058058 U CN 208058058U CN 201820109999 U CN201820109999 U CN 201820109999U CN 208058058 U CN208058058 U CN 208058058U
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- valve disc
- valve
- support plate
- supporting rod
- air vent
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Abstract
The utility model discloses a kind of chute type 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, support plate, spring return mechanism, the valve buckle includes the upper and lower frames being fixedly linked, front and back frame, air inlet is offered at the tablet position of front and back frame indent, the support plate is mounted on the side of front and back frame, and sliding slot is provided in support plate, the valve disc is provided with the runner to misplace with air inlet, and the spring return mechanism is connected with valve disc, in normally open, valve disc is in the centre position of valve buckle.The utility model has the beneficial effects that：Without human intervention；Ingenious in design, simple in structure, demolition and maintenance are convenient；More reliable performance；Shut-in time is not more than 2ms；Larger impact wave load can be born, wave transmission rate is low, and leakage rate is low.
Description
Technical field
The utility model is related to a kind of ventilation valves, and the logical of shock wave resistance is realized using slideway structure more particularly to a kind of
Air-valve belongs to the technical field of building heating and ventilating equipment.
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》The patent No.：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 utility model patent《Ventilation valve blade resistance to compression framework》The patent No.：201320324895.5 list can only be resisted
To high pressure, cannot be two-way.
Chinese utility model patent《Anti-explosive valve》The patent No.：201420452617.2 all torsional springs are arranged in valve body
Portion, when there is blast wave effect, torsional spring also can be easy failure by the percussion of blast wave, and failure mode is that cannot reset,
Closing is possibly blown in normal ventilation at this time, and if the strut of installation torsional spring is broken, strut, the torsional spring of fracture are likely to
It can influence the normal use of spool.
Chinese invention patent《A kind of imitative tortoise plastron valve body and anti-explosive valve》The patent No.：201510733938.9 frame structure compared with
Complexity, spool needs to expend a large amount of workload when making, and safeguards inconvenience.
Chinese invention patent《Shock wave resistance valve》The patent No.：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 utility model patent《A kind of two-way anti-explosive valve》The patent No.：201520248583.X valve plate selects spring
Plate, and mouth corresponding with valve body is offered on valve plate, the intensity of such latch plate just substantially reduces, and to resist impact
Wave, it is necessary to latch plate has enough intensity, this make use of momentum it is necessary latch plate is thickeied, and thicken after latch plate its elasticity
Will be insufficient, this pair of contradictory body not can solve in reality.
Chinese invention patent《The closed blank coil air-valve of modular bilateral shock resistance》The patent No.：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 patent《The closed spout air-valve of frame integrated form shock resistance》The patent No.：201611100403.9 valve buckle in is
One monoblock type separates vent passages inside valve buckle by the way that the form of reinforcing rib, bottom plate is arranged, this kind of mode is not suitable for large quantities of
Amount production considers further that reinforcing rib inside valve buckle, bottom plate such as because needing first to determine the quantity of determining vent passages in design
What is distributed, and working efficiency is not high.
Utility model content
To overcome drawbacks described above, the utility model is intended to provide a kind of simple in structure, stable and reliable operation, using slideway come
Realize the ventilation valve for resisting shock wave.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of chute type shock-wave resistant air vent valve, packet
Include frame, one or more spools, the first press strip, the second press strip and Bian Gai；It is provided with spiral shell on first press strip, the second press strip
Keyhole；First press strip and the second press strip are pressed on spool, Bian Gai on frame by bolt；
The spool include valve buckle, valve disc, support plate, spring return mechanism, the valve buckle include be fixedly linked up and down
Frame, front and back frame, the outside bending of upper and lower frames, there are two half bolt hole, the front and back frame is inside at middle part for setting on flanging
Bending is recessed, and air inlet is offered at the tablet position of front and back frame indent, and the support plate is mounted on the side of front and back frame, and
Be provided with sliding slot in support plate, the valve disc is slab construction, correspond in both sides sliding slot position be respectively set it is useful
In the supporting rod that supports valve disc and can be slid back and forth in sliding slot, and it is provided with the runner to misplace with air inlet, the bullet
Spring resetting-mechanism is connected with valve disc so that valve disc is in normally open, and when spool is in normally open, valve disc is in valve buckle
Between position.
Supporting rod of the valve disc per side can be one or two, the sliding slot in corresponding support plate be also one or
Two.
Sliding sleeve is set on every supporting rod of the valve disc, the sliding sleeve can slide in the sliding slot of support plate, and
It is located on supporting rod on the outside of sliding sleeve and is provided with limit hole, restricted sliding sleeve is set in limit hole along support pole length side
To the spacer pin of sliding.
Junction between each supporting rod and valve disc ontology is both provided with circular arc.
It it is one in supporting rod of the valve disc per side, then the outer surface for the sliding sleeve being sleeved on supporting rod includes two
A plane, the distance of interplanar and sliding slot it is of same size.
It it is two in supporting rod of the valve disc per side, then the outer surface for being sleeved on the sliding sleeve on supporting rod is circle.
The spring return mechanism may be mounted on the inside of the support plate of valve buckle, can also be mounted on the outside of support plate.
The spring return mechanism is mounted on the outside of support plate, and structure is：In the both sides up and down of the support plate point
It is not provided with spring pulling plate, pulling eye is offered on supporting rod, extension spring is set between the spring pulling plate and pulling eye,
The spring pulling plate is with the valve disc in spool centre position in same plane.
The front and back frame is equipped with end cap to outside edge on front and back frame, and the end cap is by spring return mechanism and branch
Fagging covers.
Compared with prior art, the utility model has the beneficial effects that：
1, normal ventilation under normal circumstances, when positive and negative pressure generates, valve disc energy moment closes, and realizes bidirectional protective
Function；After the disappearance of extraneous positive and negative pressure, valve disc is returned to centre position under extension spring effect, without human intervention；
2, ingenious in design, 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
Soon, the shut-in time is 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 spool in the utility model；
Fig. 2 is the structural schematic diagram of spool in the utility model；
Fig. 3 is the overlooking structure diagram of Fig. 2；
Fig. 4 is the general assembly drawing of the utility model.
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- branch
Fagging, 24- spring return mechanisms, 25- sliding sleeves, 26- extension springs, 27- end caps, 211- upper and lower frames, frame before and after 212-, 213- into
Air port, half bolts hole of 214-, 221- supporting rods, 222- runners, 223- limit holes, 224- spacer pins, 225- pulling eyes, 231- are slided
Slot, 241- spring pulling plates.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in figure 4, the utility model discloses a kind of chute type shock-wave resistant air vent valve, including frame 1, one or more
A 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；It is described
First 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 anti-impact
The structure for hitting wave ventilation valve is almost the same.
As shown in Figure 1-Figure 3, chute type shock-wave resistant air vent valve described in the utility model, innovative point essentially consist in：
The spool 2 includes valve buckle 21, valve disc 22, support plate 23, spring return mechanism 24, and the valve buckle 21 is upper including being fixedly linked
Lower frame 211, front and back frame 212,211 outside bending of the upper and lower frames, there are two half bolts hole 214 for setting on flanging, before described
After-frame 212 offers air inlet 213, the support plate in the inside bending recess in middle part at the tablet position of 212 indent of front and back frame
23 are mounted on the side of front and back frame 212, and sliding slot 231 is provided in support plate 23, and the valve disc 22 is slab construction,
The position for corresponding to sliding slot 231 in both sides is separately provided for bearing valve disc 22 and can be slid back and forth in sliding slot 231
Supporting rod 221, and be provided with the runner 222 to misplace with air inlet 213, the spring return mechanism 24 is connected with valve disc 22,
So that valve disc 22 is in normally open, when spool 2 is in normally open, valve disc 22 is in the centre position of valve buckle 21.
Operation principle：When normal work, since the air inlet 213 on front and back frame 212 misplaces with runner 222, air-flow can be right
Valve disc 22 generates a thrust, and at this point, the thrust is not enough to the pulling force for overcoming extension spring 26 to apply valve disc 22, so valve
Core 2 is still in open state, at this point, air-flow is flowed into from the air inlet 213 of a front frame, passes through the runner 222 in valve disc 22, then
It is flowed out from the air inlet 213 of after-frame；When shock wave or cyclone carry out interim, the thrust that high speed and high pressure air-flow generates valve disc 22
Much larger than the pulling force that extension spring 26 applies valve disc 22, which pushes valve disc 22 to be slided to after-frame direction along sliding slot 231, directly
It is affixed to valve disc 22 with after-frame, it is same because air inlet 213 misplaces with runner 222 so that the runner 222 on valve disc 22 being affixed
It is covered by after-frame, the air inlet 213 on after-frame is covered by valve disc 22, and high pressure draught can not pass through ventilation valve, realize in ventilation valve
Closing；After shock wave disappears, under the pulling of spring return mechanism 24, valve disc 22 is slided along sliding slot 231 to front frame direction,
Until the centre position in valve buckle 21, ensures the normally-open ventilation of ventilation valve.
A kind of chute type shock-wave resistant air vent valve described in the utility model, innovative point two are that the valve disc 22 is each
The supporting rod 221 of side can be one or two, and the sliding slot 231 in corresponding support plate 23 is also one or two.Described
Supporting rod 221 of the valve disc 22 per side is one, then the outer surface for being sleeved on the sliding sleeve 25 on supporting rod 221 includes that there are two flat
Face, the distance of interplanar are of same size with sliding slot 231.Junction between 22 ontology of each supporting rod 221 and valve disc is equal
It is provided with circular arc.It is two in supporting rod 221 of the valve disc 22 per side, then is sleeved on the sliding sleeve 25 on supporting rod 221
Outer surface is circle.When using two supporting rods 221 and sliding slot 231, the movement of valve disc 22 is more steady.
A kind of chute type shock-wave resistant air vent valve described in the utility model, innovative point three are：In the valve disc 22
Every supporting rod 221 on be set with sliding sleeve 25, the sliding sleeve 25 can slide in the sliding slot 231 of support plate 23, and support
Outside on bar 221 positioned at sliding sleeve 25 is provided with limit hole 223, and restricted sliding sleeve 25 is arranged in limit hole 223 along support
The spacer pin 224 of 221 length direction of bar sliding.The frictional force of valve disc 22 and sliding slot 231 is reduced, while also to the left and right of valve disc 22
It is limited, prevents vibration.
A kind of chute type shock-wave resistant air vent valve described in the utility model, the spring return mechanism 24 may be mounted at
23 inside of support plate of valve buckle 21, can also be mounted on the outside of support plate 23.If spring return mechanism 24 is mounted on support
The inside of plate 23, first, blast wave or cyclone come temporarily, larger surge may make spring return mechanism 24
At destruction, the service life of spool 2 is thus affected；Second, the installation of spring return mechanism 24 needs certain space, gesture
The size of spool must be caused to increase；Thirdly, it is not easy to it installs.So here, preferably, spring return mechanism 24
Mounted on the outside of support plate 23, structure is：It is respectively arranged with spring pulling plate 241 in the both sides up and down of the support plate 23,
Pulling eye 225 is offered on supporting rod 221, and extension spring 26, institute are set between the spring pulling plate 241 and pulling eye 225
Spring pulling plate 241 is stated with the valve disc 22 in 2 centre position of spool in same plane.
A kind of chute type shock-wave resistant air vent valve described in the utility model, another innovative point are：, in front and back frame
End cap 27 is installed on 212, spring return mechanism 24 and support plate 23 are covered, at the same will the front and back frame 212 to outside edge.
End cap 27 can protect spring return mechanism 24 and support plate 23 not to be collided and damage by the external world, and front and back frame 212 is to outside edge
End cap 27 can be protected not damaged by blast wave again.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of chute type shock-wave resistant air vent valve, including frame (1), one or more spools (2), the first press strip (3), second
Press strip (4) He Biangai (5)；First press strip (3), the second press strip are provided with bolt hole on (4)；First press strip (3) and
Second press strip (4) is pressed on spool (2), side lid (5) on frame (1) by bolt；
It is characterized in that：The spool (2) includes valve buckle (21), valve disc (22), support plate (23), spring return mechanism (24),
The valve buckle (21) includes the upper and lower frames (211) being fixedly linked, front and back frame (212), the outside bending of the upper and lower frames (211),
There are two half bolts hole (214) for setting on flanging, and the front and back frame (212) is in the inside bending recess in middle part, in front and back frame (212)
The tablet position of indent offers air inlet (213), and the support plate (23) is mounted on the side of front and back frame (212), and
Sliding slot (231) is provided in support plate (23), the valve disc (22) is slab construction, and corresponds to sliding slot (231) in both sides
The supporting rod (221) that position is separately provided for bearing valve disc (22) and can be slid back and forth in sliding slot (231), in institute
The runner (222) with air inlet (213) dislocation, the spring return mechanism (24) and valve disc are provided on the valve disc (22) stated
(22) it is connected, when spool (2) is in normally open, valve disc (22) is located at valve buckle under the action of spring return mechanism (24)
(21) centre position.
2. chute type shock-wave resistant air vent valve according to claim 1, it is characterised in that：The every side of the valve disc (22)
Supporting rod (221) can be one or two, and the sliding slot (231) on corresponding support plate (23) is also one or two.
3. chute type shock-wave resistant air vent valve according to claim 2, it is characterised in that：At every of the valve disc (22)
Sliding sleeve (25) is set on supporting rod (221), the sliding sleeve (25) can slide in the sliding slot (231) of support plate (23), and
It is located on supporting rod (221) on the outside of sliding sleeve (25) and is provided with limit hole (223), the restricted cunning of setting in limit hole (223)
The spacer pin (224) that set (25) is slided along supporting rod (221) length direction.
4. chute type shock-wave resistant air vent valve according to claim 3, it is characterised in that：Each supporting rod (221) with
Junction between valve disc (22) ontology is both provided with circular arc.
5. chute type shock-wave resistant air vent valve according to claim 3, it is characterised in that：In the valve disc (22) per side
Supporting rod (221) be one, then the outer surface for being sleeved on the sliding sleeve (25) on supporting rod (221) includes to put down there are two plane
Distance between face is of same size with sliding slot (231).
6. a kind of chute type shock-wave resistant air vent valve according to claim 3, it is characterised in that：It is every in the valve disc (22)
The supporting rod (221) of side is two, then the outer surface for being sleeved on the sliding sleeve (25) on supporting rod (221) is circle.
7. chute type shock-wave resistant air vent valve according to claim 1, it is characterised in that：The spring return mechanism (24)
It may be mounted on the inside of the support plate (23) of valve buckle (21), the outside of support plate (23) can also be mounted on.
8. chute type shock-wave resistant air vent valve according to claim 7, it is characterised in that：The spring return mechanism (24)
Outside mounted on support plate (23), structure are：It is respectively arranged with spring pulling plate in the both sides up and down of the support plate (23)
(241), pulling eye (225) is offered on supporting rod (221), is set between the spring pulling plate (241) and pulling eye (225)
Extension spring (26), the spring pulling plate (241) is with the valve disc (22) in spool (2) centre position in same plane.
9. chute type shock-wave resistant air vent valve according to claim 1, it is characterised in that：On the front and back frame (212)
End cap (27) is installed, the end cap (27) covers spring return mechanism (24) and support plate (23).
10. chute type shock-wave resistant air vent valve according to claim 9, it is characterised in that：The front and back frame (212) to
Outside edge covers end cap (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109999.7U CN208058058U (en) | 2018-01-23 | 2018-01-23 | A kind of chute type shock-wave resistant air vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820109999.7U CN208058058U (en) | 2018-01-23 | 2018-01-23 | A kind of chute type shock-wave resistant air vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208058058U true CN208058058U (en) | 2018-11-06 |
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ID=63996213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820109999.7U Active CN208058058U (en) | 2018-01-23 | 2018-01-23 | A kind of chute type shock-wave resistant air vent valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN208058058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302234A (en) * | 2018-01-23 | 2018-07-20 | 浙江上风高科专风实业有限公司 | A kind of chute type shock-wave resistant air vent valve |
| CN114226853A (en) * | 2021-12-16 | 2022-03-25 | 浙江上风高科专风实业股份有限公司 | Double-row valve shaft shock wave resistant valve and machining equipment thereof |
-
2018
- 2018-01-23 CN CN201820109999.7U patent/CN208058058U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108302234A (en) * | 2018-01-23 | 2018-07-20 | 浙江上风高科专风实业有限公司 | A kind of chute type shock-wave resistant air vent valve |
| CN114226853A (en) * | 2021-12-16 | 2022-03-25 | 浙江上风高科专风实业股份有限公司 | Double-row valve shaft shock wave resistant valve and machining equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312300 No. 1818, Renmin West Road, Dongguan Street, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Shangfeng high tech special wind industry Co.,Ltd. Address before: 312300 No. 1818 Renmin West Road, Shangyu District, Zhejiang, Shaoxing Patentee before: ZHEJIANG SHANGFENG HI-TECH SPECIALIZED WIND INDUSTRIAL Co.,Ltd. |
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| CP03 | Change of name, title or address |