CN205956476U - Emergency vent valve - Google Patents
Emergency vent valve Download PDFInfo
- Publication number
- CN205956476U CN205956476U CN201620986153.2U CN201620986153U CN205956476U CN 205956476 U CN205956476 U CN 205956476U CN 201620986153 U CN201620986153 U CN 201620986153U CN 205956476 U CN205956476 U CN 205956476U
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- CN
- China
- Prior art keywords
- valve
- valve disc
- malleation
- negative pressure
- negative
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses an emergency vent valve, it is slow to aim at solving current emergency vent valve opening speed, and the discharge of fumes and gas is little, and pressure release speed is slow not enough. The utility model discloses an including the valve body, the valve barrel of connection on the valve body, be equipped with the support on the valve barrel outer wall, it has branch to articulate on the support, the rocking arm of the horizontal C shape that sets up of branch upper end fastening connection, the sealed lid in valve barrel upper end has closed the malleation valve disc, the equal fastening connection in rocking arm both ends is on malleation valve disc upper surface, be equipped with the intercommunicating pore on the malleation valve disc, the liftable is connected with the negative pressure valve rod on the malleation valve disc, install the spring between negative pressure valve rod upper end and the malleation valve disc, the negative pressure valve disc is connected to negative pressure valve rod lower extreme, the sealed butt of negative pressure valve disc upper surface is at malleation valve disc lower surface air vent edge, the intercommunicating pore outward flange is connected with round negative pressure filter screen on the malleation valve disc upper surface, the protection casing has been cup jointed to negative pressure filter screen upper end, be equipped with the manger plate circle on the malleation valve disc upper surface between intercommunicating pore and the negative pressure filter screen.
Description
Technical field
This utility model is related to a kind of breather valve, more specifically, it relates to a kind of reliable emergency relief valve.
Background technology
Emergency relief valve is that one kind is occurring fire or other in emergency circumstances, emergency opening, and abrupt release container is intrinsic pressure
The device of power.Under normal circumstances, emergency relief valve is closed, the now sealing property of emergency relief valve to be guaranteed, tight when occurring
During anxious situation, emergency relief valve is required to quickly open, and carries out fast pressure relief, but the current a lot of emergency relief valve using
Opening speed is slow, and rate of pressure release is slow.
Utility model content
This utility model overcomes existing emergency relief valve opening speed slowly, and capacity is little, pressure release capabilities difference
Not enough, there is provided a kind of emergency relief valve, its opening speed is fast, and capacity is big, and pressure release capabilities are strong.
In order to solve above-mentioned technical problem, this utility model employs the following technical solutions：A kind of emergency relief valve, including valve
Body, the valve pocket being connected on valve body, valve pocket outer wall is provided with bearing, and bearing is hinged with pole, and pole upper end is fastenedly connected horizontal stroke
To the rocking arm of the C-shaped of setting, the sealing of valve pocket upper end is covered with malleation valve disc, and rocking arm two ends are all fastenedly connected in malleation valve disc upper table
On face, malleation valve disc is communicated with hole, on malleation valve disc, liftable is connected with negative pressure valve rod, negative pressure valve rod upper end and positive valve
Spring is installed between disk, negative pressure valve rod lower end connects negative pressure valve disc, negative pressure valve disc upper surface seals against under malleation valve disc
Surface ventilation bore edges, on malleation valve disc upper surface, intercommunicating pore outward flange is connected with a circle negative pressure filtration net, and negative pressure filtration is online
End is socketed with protective cover, and malleation valve disc upper surface is provided with retaining ring between intercommunicating pore and negative pressure filtration net.
Under original state, malleation valve disc is fitted tightly on valve pocket upper surface under gravity, when generation emergency,
After hypertonia in tank body, the effect of being under pressure of malleation valve disc is by jack-up upwards, and malleation valve disc and rocking arm are fastenedly connected,
Rocking arm is hinged on pole again, and therefore malleation valve disc has turned rapidly upward, makes to produce gap between malleation valve disc and valve pocket,
Now malleation valve disc and valve pocket are kept completely separate, and Quick air-discharge discharges pressure, and capacity is big.After pressure is discharged into safety range,
Malleation valve disc is under gravity and palette is on valve pocket upper surface.After hypotony in tank body, negative pressure valve disc is downward
Mobile, make, between negative pressure valve disc upper surface and malleation valve disc lower surface, gap occurs, air inlet from outside to inside, when in tank body, pressure carries
After height is in safety range, negative pressure valve disc moves up under the action of the spring makes negative pressure valve disc upper surface palette in malleation
On valve disc lower surface.This emergency relief valve opening speed is fast, and capacity is big, and rate of pressure release is fast.
Preferably, being connected by screw between rocking arm and malleation valve disc, screw is socketed with gland, gland is just arranged on
Between pressure valve disk and rocking arm.The setting of gland make to there is certain interval between malleation valve disc and rocking arm it is ensured that malleation valve disc upwards
Can be kept completely separate with valve pocket when unlatching, be conducive to quick release pressure.
Preferably, the link position of rocking arm and pole is provided with the defining flange stretching out, bearing is connected with for
Abut the gag lever post of defining flange, gag lever post is arranged on below defining flange.After malleation valve disc is rotated upwardly into certain position, limit
Position flange abuts on gag lever post, positive valve disk is carried out spacing, prevented from opening, and be easy to return.
Preferably, bolt thread is connected on bearing and is electrically connected with the cable being connected with ground.This structure setting
There is the effect of antistatic to whole emergency relief valve.
Preferably, being uniformly connected with some support bars on malleation valve disc upper surface, protective cover is connected on support bar
End.Protective cover is easy in the setting of support bar and the installation of negative pressure filtration net connects.
Preferably, being provided with mounting ring in the middle of intercommunicating pore, between mounting ring and intercommunicating pore inwall, uniformly it is connected with some
Dowel, negative pressure valve rod is connected in mounting ring.The installation of negative pressure valve rod is easy in the setting of mounting ring.
Preferably, being fastenedly connected with locking swivel nut in mounting ring, locking swivel nut is socketed with lower spring cup, negative pressure valve rod
Upper end is connected with upper spring seat, and spring is arranged between upper spring seat and lower spring cup, and negative pressure valve handle activity is plugged on locking screw
In set.The setting of locking swivel nut serves good guide effect to negative pressure valve rod, and spring is arranged on upper spring seat and lower spring
Between seat, connect steadily reliable.
Preferably, being provided with positive seal circle, positive valve with valve pocket upper surface correspondence position on malleation valve disc lower surface
Be provided with a circle negative-pressure dense seal near connection bore edges on disk lower surface, positive seal circle and negative-pressure dense seal lower surface all with just
Pressure valve disk lower surface flushes, positive seal circle and negative-pressure sealing ring cross-section all in the isosceles trapezoidal structure that upper end width lower end is narrow, just
It is equipped with downwardly convex sealing bulge loop, the sealing bulge loop on positive seal circle is tight on pressure seal ring and negative-pressure dense seal lower surface
Closely connected be combined on valve pocket upper surface, the sealing bulge loop in negative-pressure dense seal is fitted tightly on negative pressure valve disc upper surface, positive densification
It is laid with several connecting posts, connecting post extends through malleation valve disc upper surface in seal and negative-pressure dense seal upper surface.
The setting of positive seal circle and negative-pressure dense seal improves sealing property.Positive seal circle and negative-pressure sealing ring cross-section
All in the isosceles trapezoidal structure that upper end width lower end is narrow, positive seal circle and negative-pressure dense seal upper surface are laid with several even
Connect post, connecting post extends through malleation valve disc upper surface, make positive seal circle, negative-pressure dense seal and being completely embedded of malleation valve disc can
Lean on.
Compared with prior art, the beneficial effects of the utility model are：Emergency relief valve opening speed is fast, and capacity is big,
Rate of pressure release is fast.
Brief description
Fig. 1 is sectional view of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is the partial sectional view that rocking arm of the present utility model is connected with malleation valve disc；
In figure：1st, valve body, 2, valve pocket, 3, bearing, 4, pole, 5, rocking arm, 6, malleation valve disc, 7, intercommunicating pore, 8, negative pressure valve
Bar, 9, spring, 10, negative pressure valve disc, 11, negative pressure filtration net, 12, protective cover, 13, retaining ring, 14, gland, 15, defining flange,
16th, gag lever post, 17, support bar, 18, mounting ring, 19, dowel, 20, locking swivel nut, 21, lower spring cup, 22, upper spring seat,
23rd, positive seal circle, 24, negative-pressure dense seal, 25, sealing bulge loop, 26, connecting post.
Specific embodiment
Below by specific embodiment, and combine accompanying drawing, the technical solution of the utility model is made further specifically to retouch
State：
Embodiment：A kind of emergency relief valve（Referring to accompanying drawing 1 to 3）, including annular valve body 1, the valve pocket being connected on valve body
2, valve pocket is plugged on valve body and closely welds together, and valve pocket outer wall is provided with bearing 3, and bearing is hinged with pole 4, pole
Upper end is fastenedly connected the Rocker arm 5 of the C-shaped of horizontally set, and pole is connected to the centre position of rocking arm, and the sealing of valve pocket upper end is covered with
Malleation valve disc 6, rocking arm two ends are all fastenedly connected on malleation valve disc upper surface, between rocking arm and malleation valve disc by screw even
Connect, screw is socketed with gland 14, gland is arranged between malleation valve disc and rocking arm.The link position of rocking arm and pole be provided with to
The defining flange 15 of outer extension, bearing is connected with the gag lever post 16 for abutting defining flange, gag lever post is arranged on limit convex
Below edge.Gag lever post is bolt, and bolt thread is connected on bearing and is electrically connected with the cable being connected with ground.On malleation valve disc
It is communicated with hole 7, on malleation valve disc, liftable is connected with negative pressure valve rod 8, is provided between negative pressure valve rod upper end and malleation valve disc
Spring 9, negative pressure valve rod lower end connects negative pressure valve disc 10, and negative pressure valve disc upper surface seals against in malleation valve disc lower surface passage
Edge, on malleation valve disc upper surface, intercommunicating pore outward flange is connected with a circle negative pressure filtration net 11, and the online end of negative pressure filtration is socketed with
Protective cover 12, is provided with gap between protective cover lower end and malleation valve disc, intercommunicating pore and negative pressure filtration net on malleation valve disc upper surface
Between be provided with retaining ring 13.Four support bars 17 are uniformly connected with malleation valve disc upper surface, protective cover is connected on support bar
End.It is provided with mounting ring 18 in the middle of intercommunicating pore, between mounting ring and intercommunicating pore inwall, be uniformly connected with some dowels 19, negative pressure
Valve rod is connected in mounting ring.It is fastenedly connected with locking swivel nut 20 in mounting ring, locking swivel nut is socketed with lower spring cup 21, bear
Pressure valve bar upper end is connected with upper spring seat 22, and spring is arranged between upper spring seat and lower spring cup, negative pressure valve handle activity grafting
In locking swivel nut.With valve pocket upper surface correspondence position, positive seal circle 23, malleation valve disc are installed on malleation valve disc lower surface
Be provided with a circle negative-pressure dense seal 24 near connection bore edges on lower surface, positive seal circle and negative-pressure dense seal lower surface all with just
Pressure valve disk lower surface flushes, positive seal circle and negative-pressure sealing ring cross-section all in the isosceles trapezoidal structure that upper end width lower end is narrow, just
It is equipped with downwardly convex sealing bulge loop 25, the sealing bulge loop on positive seal circle on pressure seal ring and negative-pressure dense seal lower surface
It is fitted tightly on valve pocket upper surface, the sealing bulge loop in negative-pressure dense seal is fitted tightly on negative pressure valve disc upper surface, malleation
It is laid with several connecting posts 26, connecting post extends through malleation valve disc upper surface on sealing ring and negative-pressure dense seal upper surface.
Under original state, malleation valve disc is fitted tightly on valve pocket upper surface under gravity, when generation emergency,
After hypertonia in tank body, the effect of being under pressure of malleation valve disc is by jack-up upwards, and malleation valve disc and rocking arm are fastenedly connected,
Rocking arm is hinged on pole again, and therefore malleation valve disc has turned rapidly upward, makes to produce gap between malleation valve disc and valve pocket,
Now malleation valve disc and valve pocket are kept completely separate, and Quick air-discharge discharges pressure, and capacity is big.After pressure is discharged into safety range,
Malleation valve disc is under gravity and palette is on valve pocket upper surface.After hypotony in tank body, negative pressure valve disc is downward
Mobile, make, between negative pressure valve disc upper surface and malleation valve disc lower surface, gap occurs, air inlet from outside to inside, when in tank body, pressure carries
After height is in safety range, negative pressure valve disc moves up under the action of the spring makes negative pressure valve disc upper surface palette in malleation
On valve disc lower surface.This emergency relief valve opening speed is fast, and capacity is big, and rate of pressure release is fast.
Embodiment described above is one kind of the present utility model preferably scheme, not this utility model is made any
Pro forma restriction, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (8)
1. a kind of emergency relief valve, is characterized in that, including valve body, the valve pocket being connected on valve body, valve pocket outer wall is provided with bearing,
Pole is hinged with bearing, pole upper end is fastenedly connected the rocking arm of the C-shaped of horizontally set, the sealing of valve pocket upper end is covered with positive valve
Disk, rocking arm two ends are all fastenedly connected on malleation valve disc upper surface, and malleation valve disc is communicated with hole, liftable on malleation valve disc
It is connected with negative pressure valve rod, spring is installed between negative pressure valve rod upper end and malleation valve disc, negative pressure valve rod lower end connects negative pressure valve disc,
Negative pressure valve disc upper surface seals against in malleation valve disc lower surface ventilation bore edges, intercommunicating pore outward flange on malleation valve disc upper surface
It is connected with a circle negative pressure filtration net, the online end of negative pressure filtration is socketed with protective cover, intercommunicating pore and negative pressure on malleation valve disc upper surface
It is provided with retaining ring between drainage screen.
2. emergency relief valve according to claim 1, is characterized in that, is connected by screw between rocking arm and malleation valve disc,
Gland is socketed with screw, gland is arranged between malleation valve disc and rocking arm.
3. emergency relief valve according to claim 1, is characterized in that, the link position of rocking arm and pole is provided with and stretches out
Defining flange, bearing is connected with the gag lever post for abutting defining flange, gag lever post is arranged on below defining flange.
4. emergency relief valve according to claim 3, is characterized in that, gag lever post is bolt, and bolt thread is connected to bearing
Go up and be electrically connected with the cable connecting with ground.
5. emergency relief valve according to claim 1, is characterized in that, malleation valve disc upper surface is uniformly connected with some
Support bar, protective cover is connected to post upper.
6. the emergency relief valve according to claim 1 to 5 any one, is characterized in that, is provided with mounting ring in the middle of intercommunicating pore,
Uniformly it is connected with some dowels, negative pressure valve rod is connected in mounting ring between mounting ring and intercommunicating pore inwall.
7. emergency relief valve according to claim 6, is characterized in that, is fastenedly connected with locking swivel nut in mounting ring, locking
Lower spring cup is socketed with swivel nut, negative pressure valve rod upper end is connected with upper spring seat, and spring is arranged on upper spring seat and lower spring cup
Between, negative pressure valve handle activity is plugged in locking swivel nut.
8. the emergency relief valve according to claim 1 to 5 any one, is characterized in that, on malleation valve disc lower surface and valve
Set upper side face correspondence position is provided with positive seal circle, and malleation valve disc lower surface is provided with a circle negative-pressure dense near connection bore edges
Seal, positive seal circle and negative-pressure dense seal lower surface are all flushed with malleation valve disc lower surface, positive seal circle and negative-pressure sealing
Ring cross-section, all in the isosceles trapezoidal structure that upper end width lower end is narrow, positive seal circle and negative-pressure dense seal lower surface is equipped with downwards
Raised sealing bulge loop, the sealing bulge loop on positive seal circle is fitted tightly on valve pocket upper surface, close in negative-pressure dense seal
Envelope bulge loop is fitted tightly on negative pressure valve disc upper surface, and positive seal circle and negative-pressure dense seal upper surface are laid with several
Connecting post, connecting post extends through malleation valve disc upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986153.2U CN205956476U (en) | 2016-08-30 | 2016-08-30 | Emergency vent valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986153.2U CN205956476U (en) | 2016-08-30 | 2016-08-30 | Emergency vent valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205956476U true CN205956476U (en) | 2017-02-15 |
Family
ID=57979242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620986153.2U Expired - Fee Related CN205956476U (en) | 2016-08-30 | 2016-08-30 | Emergency vent valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205956476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059788A (en) * | 2022-08-18 | 2022-09-16 | 吴江天吴特种安全阀有限公司 | High emergency relief valve of security |
-
2016
- 2016-08-30 CN CN201620986153.2U patent/CN205956476U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115059788A (en) * | 2022-08-18 | 2022-09-16 | 吴江天吴特种安全阀有限公司 | High emergency relief valve of security |
| CN115059788B (en) * | 2022-08-18 | 2023-09-29 | 吴江天吴特种安全阀有限公司 | Emergency relief valve with high safety |
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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 |
Granted publication date: 20170215 Termination date: 20210830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |