CN110332348A - Quick action emergency valve - Google Patents
Quick action emergency valve Download PDFInfo
- Publication number
- CN110332348A CN110332348A CN201910745257.2A CN201910745257A CN110332348A CN 110332348 A CN110332348 A CN 110332348A CN 201910745257 A CN201910745257 A CN 201910745257A CN 110332348 A CN110332348 A CN 110332348A
- Authority
- CN
- China
- Prior art keywords
- valve
- guide sleeve
- elastic parts
- spool
- quick action
- 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.)
- Granted
Links
- 230000009471 action Effects 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 46
- 229920001971 elastomer Polymers 0.000 claims description 31
- 239000000806 elastomer Substances 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 230000000994 depressogenic effect Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 10
- 229910000743 fusible alloy Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
- Safety Valves (AREA)
Abstract
The present invention provides a kind of quick action emergency valve, spool is fixed on the end of valve rod, and valve seat has the valve port matched with spool, which further includes elastic parts and limit assembly, elastic parts is mounted on valve rod, and elastic parts has the elastic force for enabling spool mobile to valve port；Limit assembly is matched with elastic parts, and limit assembly can switch between limitation elastic parts and release both states of elastic parts；When limit assembly limits elastic parts, enables and keep gap between spool and valve port；When limit assembly discharges elastic parts, spool and sealing valve port cooperate.The quick action emergency valve, by the way that the elastic parts with elastic force and the limit assembly that elastic parts can be limited is arranged, pass through the long-range control of limit assembly or voluntarily releases elastic parts, when encountering emergency episode, valve can be promptly restored to closed state, it does not need manually to close, and not will cause permanent damage to valve itself, may be reused.
Description
Technical field
The present invention relates to a kind of quick action emergency valves.
Background technique
Current stop valve most of on the market, be all by changeover valve at the top of handwheel, internal spool is downward
It shifts bottom onto, makes spool and valve base sealing, so that stop valve be made to be in close state.But, valve is closed by handwheel, needs people
Power goes to operate, and time consuming, when encountering emergency episode, needs at the first time to withdraw worker, and will be far from pressure
Container and pressure pipeline etc., at this time if the conventional stop valve still used, we will be faced with two alternatives:
1, all personnel is directly withdrawn.In this case, the medium in pressure vessel or pipeline is also continuing to output.If it is
Flammable explosive gas, meeting open fire very likely sets off an explosion, and causes bigger property loss.
2, it goes to close valve before arranging operator.In this case, personnel can not withdraw in time, but also will be close to pressure
Container or pipeline, easily cause danger.
Summary of the invention
The purpose of the present invention is to provide a kind of quick action emergency valves, and to solve in case of emergency, stop valve is difficult to close
The problem of.
To solve the above problems, the present invention the following technical schemes are provided:
The present invention provides a kind of quick action emergency valve, including valve seat, valve rod and spool, and the spool is fixed on the valve rod
End, the valve seat have the valve port matched with the spool, the quick action emergency valve, further includes:
Elastic parts, the elastic parts are mounted on the valve rod, and the elastic parts, which has, enables the spool to institute
State the mobile elastic force of valve port；
Limit assembly, the limit assembly are matched with the elastic parts, and the limit assembly can limit the bullet
Property component and described both states of elastic parts of release between switch；When the limit assembly limits the elastic parts, enable
Gap is kept between the spool and the valve port；When the limit assembly discharges the elastic parts, the spool with it is described
Sealing valve port cooperation.
In the technical scheme, by the way that elastic parts, limit assembly is arranged, make when an emergency happens, to be not required to very important person
Work closes valve, and long-range by limit assembly controls or voluntarily releases elastic parts, can close valve, avoid
The generation of dangerous situation.
Preferably, the elastic parts includes:
Stop sleeve, the stop sleeve and the valve seat are relatively fixed, and the valve rod is stretched to far from one end of spool
In the stop sleeve；
Valve deck, the valve deck cover on end face of the stop sleeve far from valve rod；
Guide sleeve, the guide sleeve are located in the stop sleeve, and the guide sleeve and the valve rod are located at stop sleeve
Interior end is mutually fixed；The guide sleeve is matched with the limit assembly, and the limit assembly can limit the guide sleeve
Switch between described both states of guide sleeve of release；
Elastomer, the elastomer are located in the stop sleeve, the both ends of the elastomer be against respectively the valve deck,
On guide sleeve.
In the technical scheme, it limits by limit assembly or discharges guide sleeve, the opening and closing of control valve makes company, valve institute
The pipeline connect switches in the state of connection or closing.
Preferably, the valve rod and the stop sleeve are coaxially disposed, the outer peripheral surface of the guide sleeve and the support sleeve
The inner peripheral surface of cylinder matches, and the guide sleeve can sliding axially along the stop sleeve.
In the technical scheme, by above-mentioned setting, the moving direction of guide sleeve is supported sleeve and is limited, to make valve
Bar, spool moving direction be controlled, enable spool accurately with sealing valve port cooperate.
Preferably, it is equipped between the guide sleeve and the stop sleeve around the sealing ring being circumferentially arranged.
In the technical scheme, sealing ring makes to form a relatively closed space between guide sleeve and stop sleeve,
When guide sleeve be released rapidly move downward when, space interior generate negative pressure can play buffer function, protect spool not by
Damage.
Preferably, the elastomer is compressed spring, and the valve deck forms the first of protrusion towards the surface of compressed spring
Positioning protrusion, the second positioning protrusion of surface formation protrusion of the guide sleeve towards compressed spring, the two of the compressed spring
End is respectively fitted over first positioning protrusion, on the second positioning protrusion.
In the technical scheme, the first positioning protrusion, the second positioning protrusion fix the both ends of compressed spring, make to compress bullet
The deformation direction of spring is controllable.
Preferably, the elastomer is compressed spring, and the guide sleeve forms location hole, institute towards the surface of compressed spring
It states compressed spring to stretch in the location hole, the location hole and the valve rod are coaxially disposed.
In the technical scheme, location hole surrounds compressed spring, and the direction that limitation compressed spring axially deforms guarantees
The force direction of compressed spring is directed toward valve port.
Preferably, the elastic parts further includes magnetic part, and the magnetic part is set to the guide sleeve far from elastomer
Side, the guide sleeve towards magnetic part one end have magnetism, between the guide sleeve and the magnetic part have be attracted
Power.
In the technical scheme, it is connected due to guide sleeve, valve rod with spool, thus between guide sleeve and magnetic part
Powerful suction is converted into spool to the pressure of valve port, enhances the sealing effect between spool and valve port.
Preferably, the valve deck includes:
Lid main body, the lid main body are fixedly connected with the end face of the stop sleeve；
Movable end plate, the activity end plate are located in the stop sleeve, and the elastomer is against on the movable end plate；
The movable end plate is connected by adjusting rod, the adjusting rod with the lid main body, and the adjusting rod is adjustable institute
State the distance between movable end plate and the lid main body.
In the technical scheme, by the distance between adjusting rod adjusting activity end plate and lid main body, enable activity end plate with
The distance between guide sleeve is adjustable, so as to adjust the compression degree for the elastomer being located between movable end plate and guide sleeve, to adjust
The size of the elastic force of whole elastomer.
Preferably, the elastic parts includes stop sleeve and guide sleeve, and the stop sleeve is opposite with the valve seat solid
Fixed, the guide sleeve and the valve rod are relatively fixed, elastic connection between the guide sleeve and the stop sleeve, the support
Sleeve is equipped with sliding slot, and the guide sleeve is equipped with traveller, and the traveller is positioned in the chute and can slide along the sliding slot；
The limit assembly includes gag lever post, and the gag lever post can resist or far between both states of the traveller
Switching；When the gag lever post resists the traveller, the traveller is located at the one end of the sliding slot far from spool, enable the spool with
Gap is kept between the valve port；When the gag lever post is far from the traveller, the traveller to the close spool of the sliding slot one
End sliding, until the spool and the sealing valve port cooperate.
In the technical scheme, by the activity of gag lever post, gag lever post is enable to limit or discharge traveller, by limiting traveller
Position in sliding slot, and the position of guide sleeve, valve rod and spool is adjusted, realize the opening and closing of valve.
Preferably, the limit assembly further include:
Unlocking mechanism, the unlocking mechanism are matched with the gag lever post；When the unlocking mechanism acts, the limit can be enabled
Position bar is far from the traveller；
Holding mechanism, the holding mechanism are matched with the unlocking mechanism, and the holding mechanism can forbidden or allow
The unlocking mechanism acts to be switched between both states.
In the technical scheme, by setting unlocking mechanism and holding mechanism, by remotely controlling holding mechanism or setting
Trigger condition enables holding mechanism auto-action, realizes the automatic unlocking of gag lever post.
Preferably, the guide sleeve is located in the stop sleeve, and the sliding slot is arranged around the circumferential direction of the stop sleeve,
The traveller is set on the outer peripheral surface of the guide sleeve.
In the technical scheme, above structure is arranged, and makes movement routine of the traveller in sliding slot, guide sleeve in stop sleeve
Interior movement routine keeps stablizing, is not in Caton.
Preferably, the outer peripheral surface of the guide sleeve is equipped with depressed area, and the depressed area has the extension side with the sliding slot
To parallel sliding edge；The inner peripheral surface of the stop sleeve is equipped with support column, the end of the support column and the depressed area
Sliding edge match and merge opposite sliding.
In the technical scheme, the design of sliding edge, plays a supporting role when guide sleeve moves down, and ensure that guiding
Stability when set moves down.
Preferably, the elastic parts further includes ball, and the end of the support column forms shrinkage pool, and the ball is placed in
In the shrinkage pool, the ball is in contact with the sliding edge of the depressed area.
In the technical scheme, ball is in contact with the sliding edge of depressed area, reduces between guide sleeve and stop sleeve
Abrasion.
Preferably, the limit assembly further includes support frame, and support frame as described above and the valve seat are relatively fixed, the limit
Bar is articulated on support frame as described above, and spacing block set is arranged in one end of the gag lever post；It is described in the gag lever post rotation process
Spacing block set can resist the traveller.
In the technical scheme, pass through the rotation of gag lever post, the limit and release of Lai Shixian traveller.
Preferably, the limit assembly further include:
Unlocking mechanism, the unlocking mechanism include solution closing piece and force-applying piece, and the solution closing piece has push part, the force
Part can apply thrust to the solution closing piece；
Holding mechanism, the holding mechanism include baffle and block, and the baffle and support frame as described above are relatively fixed, described
Block is set between the baffle and the solution closing piece, and the force-applying piece is located at one of the solution closing piece far from the block
End, one end of gag lever post setting spacing block set are located at the push part of the solution closing piece towards the side of the block, described
Block, which can be moved or be deformed, to be made to generate gap between the baffle and the solution closing piece.
In the technical scheme, when there is emergency, block can be moved or be deformed, and make baffle and solution closing piece
Between generate gap, so that the push part for solving closing piece is pushed gag lever post, the spacing block set of gag lever post can be detached from traveller, reach release and slide
The purpose of column.
Preferably, the gag lever post turns to horizontal position, and the spacing block set resists the traveller；The gag lever post is set
There is one end of spacing block set to be held on the top of the push part of the solution closing piece, the force-applying piece is located under the solution closing piece
Side, the block are located at the top of the solution closing piece.
In the technical scheme, the position that gag lever post limits traveller is set as horizontal position, when needing to discharge traveller,
The one end of gag lever post far from spacing block set, i.e., releasable traveller need to only be pressed；This position setting is a kind of conveniently position
It is fixed to install, and designs convenient for the structure of designer, convenient to match with other component.
Preferably, the block is made of fusible alloy.
In the technical scheme, when environment temperature reaches the fusing point of fusible alloy, block melts automatically, and traveller is released,
Guide sleeve, valve rod and spool are mobile, until spool and sealing valve port cooperate.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that:
The quick action emergency valve, by the way that the elastic parts with elastic force and the limit assembly that elastic parts can be limited is arranged,
By the long-range control of limit assembly or voluntarily releases elastic parts, when encountering emergency episode, valve can be extensive rapidly
Closed state is arrived again, is not needed manually to close, and not will cause valve itself permanent damage, be may be reused.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of quick action emergency valve of the present invention.
Fig. 2 is the diagrammatic cross-section of quick action emergency valve shown in FIG. 1.
Fig. 3 is the partial enlarged view of quick action emergency valve shown in Fig. 2.
Fig. 4 is the structural schematic diagram of the removal support frame of quick action emergency valve shown in FIG. 1, baffle.
Fig. 5 a to Fig. 5 b is the structural schematic diagram of the guide sleeve of quick action emergency valve shown in FIG. 1.
Fig. 6 a to Fig. 6 b is the structural schematic diagram of the stop sleeve of quick action emergency valve shown in FIG. 1.
Description of symbols
Valve seat 1, entrance 11, outlet 12, valve rod 2, spool 3, valve port 4；
Elastic parts 5, stop sleeve 51, sliding slot 511, support column 512, shrinkage pool 513, valve deck 52, the first positioning protrusion
521, lid main body 522, movable end plate 523, adjusting rod 524, guide sleeve 53, the second positioning protrusion 531, location hole 532, traveller
533, depressed area 534, sliding edge 535, traveller mounting hole 536, elastomer 54, compressed spring 541, sealing ring 55, magnetic part 56；
Limit assembly 6, gag lever post 61, spacing block set 611, support frame 62, unlocking mechanism 63 solve closing piece 631, force-applying piece
632, push part 633, holding mechanism 64, baffle 641, block 642.
Specific embodiment
The invention will be further described with attached drawing combined with specific embodiments below, elaborates in the following description more
Details to facilitate a thorough understanding of the present invention, still the present invention obviously can be come with a variety of other ways different from this description it is real
It applies, those skilled in the art can make similar popularization according to practical situations without violating the connotation of the present invention, drill
It unravels silk, therefore should not be limited the scope of the invention with the content of this specific embodiment.
Quick action emergency valve generally includes valve seat 1, valve rod 2 and spool 3, and spool 3 is fixed on the end of valve rod 2, and valve seat 1 has
There is the valve port 4 matched with spool 3.The entrance 11 of valve seat 1 is connected by valve port 4 with outlet 12.When normal work, spool 3 with
Valve port 4 keeps spacing, makes the state that connection is kept between entrance 11 and outlet 12.When there is emergency, valve rod 2 drives valve
Core 3 is mobile, makes to seal cooperation between spool 3 and valve port 4, will be truncated between entrance 11 and outlet 12, thus by quick action emergency valve
The pipeline truncation connected.
It as shown in Figures 1 to 4, is an embodiment of quick action emergency valve of the present invention.The quick action emergency valve further includes elastic group
Part 5 and limit assembly 6, elastic parts 5 are mounted on valve rod 2, and elastic parts 5 has the elasticity for enabling spool 3 mobile to valve port 4
Power；Limit assembly 6 is matched with elastic parts 5, limit assembly 6 can limitation elastic parts 5 and release elastic parts 5 both
Switch between state；When limit assembly 6 limits elastic parts 5, enables and keep gap between spool 3 and valve port 4；Limit assembly 6 is released
When putting elastic parts 5, spool 3 and the sealing of valve port 4 cooperate.
In course of normal operation, elastic parts 5 is limited component 6 and limits, and enables between keeping between spool 3 and valve port 4
Gap makes pipeline keep connected state.When being in an emergency, limit assembly 6 passes through remote control or detection environmental change
The mode voluntarily acted discharges elastic parts 5, and the elastic force of elastic parts 5 is released, and makes valve rod 2 with movable valve plug 3 to valve
Mouth 4 is mobile, until spool 3 and the sealing cooperation of valve port 4.By the way that elastic parts 5, limit assembly 6 is arranged, make when generation emergency
When, it does not need manually to close valve, it, can will by the long-range control of limit assembly 6 or voluntarily releases elastic parts 5
Valve is closed, and the generation of dangerous situation is avoided.
A kind of specific structure of elastic parts 5 is as shown in Figure 1 to Figure 3.Elastic parts 5 include stop sleeve 51, valve deck 52,
Guide sleeve 53 and elastomer 54, stop sleeve 51 and valve seat 1 are relatively fixed, and valve rod 2 stretches to support sleeve far from one end of spool 3
In cylinder 51；Valve deck 52 covers on end face of the stop sleeve 51 far from valve rod 2；Guide sleeve 53 is located in stop sleeve 51, guide sleeve
53, which are located at the end in stop sleeve 51 with valve rod 2, mutually fixes；Guide sleeve 53 is matched with limit assembly 6, and limit assembly 6 can be
Switch between restricted guidance set 53 and release both states of guide sleeve 53；Elastomer 54 is located in stop sleeve 51, elastomer
54 both ends are against valve deck 52, on guide sleeve 53 respectively.
Above-mentioned elastomer 54 is preferably compressed spring 541.Elastomer 54 applies one to guide sleeve 53 always and is directed toward valve port 4
Thrust.In 6 restricted guidance of limit assembly set 53, guide sleeve 53 is not subjected to displacement, and is enabled and is kept gap between spool 3 and valve port 4,
Pipeline is set to keep connected state.When limit assembly 6 discharges guide sleeve 53, elastomer 54 pushes guide sleeve 53, makes guide sleeve 53
It is mobile to valve port 4 together with valve rod 2, spool 3, until spool 3 and the sealing of valve port 4 cooperate.
Wherein, valve rod 2 and stop sleeve 51 are coaxially disposed, the inner peripheral surface phase of the outer peripheral surface and stop sleeve 51 of guide sleeve 53
Cooperation, guide sleeve 53 can sliding axially along stop sleeve 51.By above-mentioned setting, the moving direction of guide sleeve 53 is supported set
Cylinder 51 is limited, so that the moving direction of valve rod 2, spool 3 be made to be controlled, spool 3 is enable accurately to match with the sealing of valve port 4
It closes.
Wherein, it is equipped between guide sleeve 53 and stop sleeve 51 around the sealing ring 55 being circumferentially arranged.Sealing ring 55 makes to be oriented to
A relatively closed space is formd between set 53 and stop sleeve 51, is moved downward rapidly when guide sleeve 53 is released
When, the negative pressure that space interior generates can play buffer function, and protection spool 3 is not damaged.
Wherein, valve deck 52 forms the first positioning protrusion 521 of protrusion, 53 face of guide sleeve towards the surface of compressed spring 541
The second positioning protrusion 531 of protrusion is formed to the surface of compressed spring 541, it is fixed that the both ends of compressed spring 541 are respectively fitted over first
On raised 521, second positioning protrusion 531 in position.First positioning protrusion 521, the second positioning protrusion 531 are by the two of compressed spring 541
End is fixed, and keeps the deformation direction of compressed spring 541 controllable.
And surface of the guide sleeve 53 towards compressed spring 541 also forms location hole 532, compressed spring 541 stretches to positioning
In hole 532, location hole 532 and valve rod 2 are coaxially disposed.Location hole 532 surrounds compressed spring 541, limits 541 edge of compressed spring
The direction of axial deformation ensure that the force direction of compressed spring 541 is directed toward valve port 4.Wherein, the second positioning protrusion 531 is located at
The bottom of location hole 532, one end that compressed spring 541 protrudes into location hole 532 are limited by the second positioning protrusion 531.
In the present embodiment, elastomer 54 is a compressed spring 541.In fact, the quantity of compressed spring 541, it can root
It is arranged according to the elastic force of required elastomer 54, is not limited to one.
As shown in figure 3, elastic parts 5 further includes magnetic part 56, magnetic part 56 is set to guide sleeve 53 far from elastomer 54
Side, guide sleeve 53 towards magnetic part 56 one end have magnetism, between guide sleeve 53 and magnetic part 56 have the suction-combining force.Magnetic
Property part 56 can to guide sleeve 53 generate the suction-combining force, when valve will close, guide sleeve 53 is moved downward, and moves closer to magnetic part
56, the suction rapid growth between guide sleeve 53 and magnetic part 56.Since guide sleeve 53, valve rod 2 are connected with spool 3, thus
Powerful suction between guide sleeve 53 and magnetic part 56 is converted into spool 3 to the pressure of valve port 4, enhances spool 3 and valve port 4
Between sealing effect.The material of guide sleeve 53 can be 45# steel, magnetic part 56 can be magnet steel, make in this way guide sleeve 53 with
The suction-combining force is generated between magnetic part 56.
As shown in figure 3, valve deck 52 includes lid main body 522, movable end plate 523 and adjusting rod 524, lid main body 522 and support
The end face of sleeve 51 is fixedly connected；Movable end plate 523 is located in stop sleeve 51, and elastomer 54 is against on movable end plate 523；It adjusts
Movable end plate 523 is connected by pole 524 with lid main body 522, adjusting rod 524 be adjustable movable end plate 523 and lid main body 522 it
Between distance.
By the distance between 524 adjusting activity end plate 523 of adjusting rod and lid main body 522, activity end plate 523 and guiding are enabled
Set the distance between 53 is adjustable, so as to adjust the compression degree for the elastomer 54 being located between movable end plate 523 and guide sleeve 53,
To adjust the size of the elastic force of elastomer 54.
The end of adjusting rod 524 is fixedly connected with movable end plate 523, adjusting rod 524 pass through lid main body 522 and with lid main body
522 are threadedly coupled.When needing adjusting activity end plate 523, adjusting rod 524 is rotated, adjusts adjusting rod 524 relative to lid main body
522 position, i.e., adjustable the distance between movable end plate 523 and lid main body 522.
A kind of matching relationship of above-mentioned elastic parts 5 and limit assembly 6 is as shown in Figures 1 to 4.The support of elastic parts 5
Sleeve 51 is equipped with sliding slot 511, and guide sleeve 53 is equipped with traveller 533, and traveller 533 is located in sliding slot 511 and can 511 sliding along the chute.
Limit assembly 6 includes gag lever post 61, and gag lever post 61 can resist or far from switching between both states of traveller 533；Gag lever post
61 when resisting traveller 533, and traveller 533 is located at the one end of sliding slot 511 far from spool 3, enables and keeps gap between spool 3 and valve port 4；
When gag lever post 61 is far from traveller 533, traveller 533 is slided to sliding slot 511 close to one end of spool 3, until spool 3 and valve port 4 are close
Envelope cooperation.
When gag lever post 61 resists traveller 533, and traveller 533 is located at the one end of sliding slot 511 far from spool 3, guide sleeve 53
It in top position, enables and keeps gap between spool 3 and valve port 4, pipeline is made to keep connected state.And it is slided when gag lever post 61 is detached from
When column 533, under the action of elastomer 54, guide sleeve 53 is moved down, and traveller 533 also moves in sliding slot 511 simultaneously, until
Spool 3 and the sealing of valve port 4 cooperate.
Wherein, guide sleeve 53 is located in stop sleeve 51, and sliding slot 511 is arranged around the circumferential direction of stop sleeve 51, and traveller 533 is set
It is placed on the outer peripheral surface of guide sleeve 53.Sliding slot 511 is around the circumferential spiral setting of stop sleeve 51, and guide sleeve 53 is in downward process
In also rotate.
As shown in Fig. 5 a to Fig. 5 b, Fig. 6 a to Fig. 6 b, the outer peripheral surface of guide sleeve 53 is equipped with depressed area 534, and depressed area 534 has
There is the sliding edge 535 parallel with the extending direction of sliding slot 511；The inner peripheral surface of stop sleeve 51 is equipped with support column 512, support column
512 end merges opposite sliding with the matching of the sliding edge 535 of depressed area 534.When guide sleeve 53 moves down, guide sleeve 53
Sliding edge 535 slided on support column 512.The design of sliding edge 535 plays support when guide sleeve 53 moves down and makees
With ensure that stability when guide sleeve 53 moves down.
Elastic parts 5 further includes ball, and the end of support column 512 forms shrinkage pool 513, and ball is placed in shrinkage pool 513, is rolled
Pearl is in contact with the sliding edge 535 of depressed area 534.Ball is in contact with the sliding edge 535 of depressed area 534, the cunning of depressed area 534
When dynamic side 535 is slided relative to support column 512, ball can roll in shrinkage pool 513, reduce guide sleeve 53 and stop sleeve 51
Between abrasion.
As shown in Figure 5 b, the outer peripheral surface of guide sleeve 53 is equipped with traveller mounting hole 536, and traveller 533 is fixed to be inserted into traveller peace
It fills in hole 536.
As shown in figure 4, limit assembly 6 further includes support frame 62, support frame 62 and valve seat 1 are relatively fixed, 61 pivot of gag lever post
It is connected on support frame 62, spacing block set 611 is arranged in one end of gag lever post 61；In 61 rotation process of gag lever post, spacing block set 611
Traveller 533 can be resisted.Pass through the rotation of gag lever post 61, the limit and release of Lai Shixian traveller 533.
In order to realize that the automatic unlocking of gag lever post 61, limit assembly 6 further include unlocking mechanism 63 and holding mechanism 64, unlock
Mechanism 63 is matched with gag lever post 61；When unlocking mechanism 63 acts, gag lever post 61 can be enabled far from traveller 533；Holding mechanism 64 with
Unlocking mechanism 63 matches, and holding mechanism 64 can forbidden or allow to switch between both states of the movement of unlocking mechanism 63.
Specifically, unlocking mechanism 63 includes solution closing piece 631 and force-applying piece 632, solution closing piece 631 has push part 633, applies
Power part 632 can apply thrust to solution closing piece 631；Holding mechanism 64 includes baffle 641 and block 642, baffle 641 and support frame 62
Relatively fixed, block 642 is set between baffle 641 and solution closing piece 631, and force-applying piece 632 is located at solution closing piece 631 far from block
642 one end, one end that spacing block set 611 is arranged in gag lever post 61 are located at the push part 633 of solution closing piece 631 towards block 642
Side, block 642, which can be moved or be deformed, to be made to generate gap between baffle 641 and solution closing piece 631.
Force-applying piece 632 can be spring, and in course of normal operation, spring is chronically at compressive state, to solution closing piece 631
Always apply certain thrust.
In the present embodiment, gag lever post 61 turns to horizontal position, and spacing block set 611 resists traveller 533；Gag lever post 61 is set
There is one end of spacing block set 611 to be held on the top of the push part 633 of solution closing piece 631, force-applying piece 632 is located at solution closing piece 631
Lower section, block 642 are located at the top of solution closing piece 631.It, can also be according to actual needs other than the setting of the position of the present embodiment
The position that gag lever post 61 locks traveller 533 is set.Relative position between unlocking mechanism 63, holding mechanism 64 and gag lever post 61,
And rotation direction when being unlocked according to gag lever post 61 is arranged.
In course of normal operation, block 642 is set between baffle 641 and solution closing piece 631, makes solution closing piece 631 will not
Thrust is generated to gag lever post 61.When there is emergency, block 642 can be moved or be deformed, and make baffle 641 and unlock
Gap is generated between block 631, force-applying piece 632 can apply thrust to solution closing piece 631, the push part 633 for solving closing piece 631 is made to push limit
Position bar 61, the spacing block set 611 of gag lever post 61 can be detached from traveller 533, achieve the purpose that discharge traveller 533.
Block 642 can be removed by way of remotely controlling, and make to generate gap between baffle 641 and solution closing piece 631.Gear
Block 642 can also be made of changeable material, and when environment being made to change, block 642 itself can deform, and make baffle 641 and solution
Gap is generated between closing piece 631.
For example, block 642 can be made of fusible alloy.When a fire, with the rising of ambient temperature, reach meltable
The fusing point of alloy, block 642 melt automatically, and force-applying piece 632 is able to stretching, extension to discharge stress, and force-applying piece 632 drives solution closing piece 631
Rise together, while one end of the push part 633 for solving closing piece 631 and gag lever post 61 can be also lifted.When gag lever post 61 lifts
To after certain altitude, traveller 533 will get rid of the constraint of gag lever post 61, and elastomer 54 is released, and push guide sleeve 53, valve rod
2 move down, until spool 3 and the sealing of valve port 4 cooperate.
Above-mentioned quick action emergency valve allows unlocking mechanism 63 to act, enables gag lever post by holding mechanism 64 in emergency situations
61 automatic unlockings；Gag lever post 61 can also be directly acted on, gag lever post 61 is acted and realizes the opening and closing of valve, solved without enabling
Latch mechanism 63 and holding mechanism 64.
Above-mentioned quick action emergency valve, in case of emergency, valve can pass through the long-range of the fusing of fusible alloy and gag lever post
Line traffic control is in close state valve, and in this case, the available more escape times of personnel protect the security of the lives and property.
And we increase multiple protective design to valve, reduce the damage caused by inner body when valve is closed suddenly to the greatest extent
Wound, so that the valve may be reused, save the cost.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this field skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification.It is all without departing from this hair
The content of bright technical solution, according to the technical essence of the invention any modification to the above embodiments, equivalent variations and repair
Decorations, each fall within the protection scope that the claims in the present invention are defined.
Claims (17)
1. a kind of quick action emergency valve, including valve seat, valve rod and spool, the spool is fixed on the end of the valve rod, the valve
Seat tool has the valve port matched with the spool, which is characterized in that the quick action emergency valve, further includes:
Elastic parts, the elastic parts are mounted on the valve rod, and the elastic parts, which has, enables the spool to the valve
The mobile elastic force of mouth；
Limit assembly, the limit assembly are matched with the elastic parts, and the limit assembly can limit the elastic group
Switch between part and described both states of elastic parts of release；When the limit assembly limits the elastic parts, described in order
Gap is kept between spool and the valve port；When the limit assembly discharges the elastic parts, the spool and the valve port
Sealing cooperation.
2. quick action emergency valve according to claim 1, which is characterized in that the elastic parts includes:
Stop sleeve, the stop sleeve and the valve seat are relatively fixed, and the valve rod stretches to described far from one end of spool
In stop sleeve；
Valve deck, the valve deck cover on end face of the stop sleeve far from valve rod；
Guide sleeve, the guide sleeve are located in the stop sleeve, and the guide sleeve and the valve rod are located in stop sleeve
End is mutually fixed；The guide sleeve is matched with the limit assembly, and the limit assembly can limit the guide sleeve and release
It puts and switches between both states of the guide sleeve；
Elastomer, the elastomer are located in the stop sleeve, and the both ends of the elastomer are against the valve deck, guiding respectively
It puts on.
3. quick action emergency valve according to claim 2, it is characterised in that: the valve rod is coaxially set with the stop sleeve
It sets, the outer peripheral surface of the guide sleeve is matched with the inner peripheral surface of the stop sleeve, and the guide sleeve can be along the stop sleeve
Slide axially.
4. quick action emergency valve according to claim 3, it is characterised in that: set between the guide sleeve and the stop sleeve
Have around the sealing ring being circumferentially arranged.
5. quick action emergency valve according to claim 2, it is characterised in that: the elastomer is compressed spring, the valve deck
Surface towards compressed spring forms the first positioning protrusion of protrusion, and the guide sleeve forms protrusion towards the surface of compressed spring
The second positioning protrusion, the both ends of the compressed spring are respectively fitted over first positioning protrusion, on the second positioning protrusion.
6. quick action emergency valve according to claim 2 or 5, it is characterised in that: the elastomer is compressed spring, described to lead
Form location hole to surface of the set towards compressed spring, the compressed spring stretches in the location hole, the location hole with
The valve rod coaxial arrangement.
7. quick action emergency valve according to claim 2, it is characterised in that: the elastic parts further includes magnetic part, described
Magnetic part is set to side of the guide sleeve far from elastomer, and the guide sleeve has magnetism, institute towards one end of magnetic part
Stating has the suction-combining force between guide sleeve and the magnetic part.
8. quick action emergency valve according to claim 2, which is characterized in that the valve deck includes:
Lid main body, the lid main body are fixedly connected with the end face of the stop sleeve；
Movable end plate, the activity end plate are located in the stop sleeve, and the elastomer is against on the movable end plate；
The movable end plate is connected by adjusting rod, the adjusting rod with the lid main body, and the adjusting rod is adjustable the work
The distance between moved end plate and the lid main body.
9. quick action emergency valve according to claim 1, it is characterised in that:
The elastic parts includes stop sleeve and guide sleeve, and the stop sleeve and the valve seat are relatively fixed, the guiding
, the guide sleeve and the stop sleeve between elastic connection relatively fixed with the valve rod is covered, the stop sleeve, which is equipped with, to be slided
Slot, the guide sleeve are equipped with traveller, and the traveller is positioned in the chute and can slide along the sliding slot；
The limit assembly includes gag lever post, and the gag lever post can resist or far from cutting between both states of the traveller
It changes；When the gag lever post resists the traveller, the traveller is located at the one end of the sliding slot far from spool, enables the spool and institute
It states and keeps gap between valve port；When the gag lever post is far from the traveller, the traveller is to one end of the close spool of the sliding slot
Sliding, until the spool and the sealing valve port cooperate.
10. quick action emergency valve according to claim 9, which is characterized in that the limit assembly further include:
Unlocking mechanism, the unlocking mechanism are matched with the gag lever post；When the unlocking mechanism acts, the gag lever post can be enabled
Far from the traveller；
Holding mechanism, the holding mechanism are matched with the unlocking mechanism, and the holding mechanism can forbidden or described in allowing
Unlocking mechanism acts to be switched between both states.
11. quick action emergency valve according to claim 9, it is characterised in that: the guide sleeve is located in the stop sleeve,
The sliding slot is arranged around the circumferential direction of the stop sleeve, and the traveller is set on the outer peripheral surface of the guide sleeve.
12. quick action emergency valve according to claim 11, it is characterised in that: the outer peripheral surface of the guide sleeve is equipped with recess
Area, the depressed area have the sliding edge parallel with the extending direction of the sliding slot；The inner peripheral surface of the stop sleeve is equipped with
Support column, the end of the support column merge opposite sliding with the matching of the sliding edge of the depressed area.
13. quick action emergency valve according to claim 12, it is characterised in that: the elastic parts further includes ball, described
The end of support column forms shrinkage pool, and the ball is placed in the shrinkage pool, the sliding edge phase of the ball and the depressed area
Contact.
14. quick action emergency valve according to claim 9, it is characterised in that: the limit assembly further includes support frame, described
Support frame and the valve seat are relatively fixed, and the gag lever post is articulated on support frame as described above, and limit is arranged in one end of the gag lever post
Position convex block；In the gag lever post rotation process, the spacing block set can resist the traveller.
15. quick action emergency valve according to claim 14, it is characterised in that: the limit assembly further include:
Unlocking mechanism, the unlocking mechanism include solution closing piece and force-applying piece, and the solution closing piece has push part, the force-applying piece energy
Thrust is applied to the solution closing piece；
Holding mechanism, the holding mechanism include baffle and block, and the baffle and support frame as described above are relatively fixed, the block
It is set between the baffle and the solution closing piece, the force-applying piece is located at the described solution one end of closing piece far from the block, institute
The one end for stating gag lever post setting spacing block set is located at the push part of the solution closing piece towards the side of the block, the block energy
Mobile or deformation makes to generate gap between the baffle and the solution closing piece.
16. quick action emergency valve according to claim 15, it is characterised in that: the gag lever post turns to horizontal position, institute
It states spacing block set and resists the traveller；One end that the gag lever post is equipped with spacing block set is held on the push part of the solution closing piece
Top, the force-applying piece are located at the lower section of the solution closing piece, and the block is located at the top of the solution closing piece.
17. quick action emergency valve according to claim 15 or 16, it is characterised in that: the block is made of fusible alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745257.2A CN110332348B (en) | 2019-08-13 | 2019-08-13 | Emergency cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910745257.2A CN110332348B (en) | 2019-08-13 | 2019-08-13 | Emergency cut-off valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110332348A true CN110332348A (en) | 2019-10-15 |
| CN110332348B CN110332348B (en) | 2024-06-28 |
Family
ID=68149618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910745257.2A Active CN110332348B (en) | 2019-08-13 | 2019-08-13 | Emergency cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110332348B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458772A (en) * | 2022-01-27 | 2022-05-10 | 国网宁夏电力有限公司电力科学研究院 | Gas circuit switch control module and gas density monitoring device adopting same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190824Y (en) * | 2008-04-29 | 2009-02-04 | 济南铭迪机械制造有限公司 | Gas emergency cut-off valve |
| RU82286U1 (en) * | 2008-09-25 | 2009-04-20 | Закрытое акционерное общество Производственная компания "Промконтроллер" | ELECTROMECHANICAL SWITCH-OFF VALVE |
| CN103016754A (en) * | 2012-12-28 | 2013-04-03 | 奥士奥控制阀门(上海)有限公司 | Pneumatic high pressure regulating valve |
| CN203477546U (en) * | 2013-09-25 | 2014-03-12 | 浙江合飞阀门有限公司 | Gas emergency cut-off valve |
| CN103920219A (en) * | 2013-01-10 | 2014-07-16 | 北京谊安医疗***股份有限公司 | Gas selection valve assembly |
| CN204062072U (en) * | 2014-07-29 | 2014-12-31 | 四川弗瑞希燃气设备有限公司 | Low temperature Emergeny Cutoff Valves open in usual |
| CN204127447U (en) * | 2014-09-29 | 2015-01-28 | 保一集团有限公司 | A kind of adjustable Emergeny Cutoff Valves |
| CN108930798A (en) * | 2018-06-26 | 2018-12-04 | 江苏圣泰阀门有限公司 | Totally-enclosed high-voltage safety valve |
| CN210461832U (en) * | 2019-08-13 | 2020-05-05 | 雷舸流体科技（上海）有限公司 | Emergency cut-off valve |
-
2019
- 2019-08-13 CN CN201910745257.2A patent/CN110332348B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201190824Y (en) * | 2008-04-29 | 2009-02-04 | 济南铭迪机械制造有限公司 | Gas emergency cut-off valve |
| RU82286U1 (en) * | 2008-09-25 | 2009-04-20 | Закрытое акционерное общество Производственная компания "Промконтроллер" | ELECTROMECHANICAL SWITCH-OFF VALVE |
| CN103016754A (en) * | 2012-12-28 | 2013-04-03 | 奥士奥控制阀门(上海)有限公司 | Pneumatic high pressure regulating valve |
| CN103920219A (en) * | 2013-01-10 | 2014-07-16 | 北京谊安医疗***股份有限公司 | Gas selection valve assembly |
| CN203477546U (en) * | 2013-09-25 | 2014-03-12 | 浙江合飞阀门有限公司 | Gas emergency cut-off valve |
| CN204062072U (en) * | 2014-07-29 | 2014-12-31 | 四川弗瑞希燃气设备有限公司 | Low temperature Emergeny Cutoff Valves open in usual |
| CN204127447U (en) * | 2014-09-29 | 2015-01-28 | 保一集团有限公司 | A kind of adjustable Emergeny Cutoff Valves |
| CN108930798A (en) * | 2018-06-26 | 2018-12-04 | 江苏圣泰阀门有限公司 | Totally-enclosed high-voltage safety valve |
| CN210461832U (en) * | 2019-08-13 | 2020-05-05 | 雷舸流体科技（上海）有限公司 | Emergency cut-off valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458772A (en) * | 2022-01-27 | 2022-05-10 | 国网宁夏电力有限公司电力科学研究院 | Gas circuit switch control module and gas density monitoring device adopting same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110332348B (en) | 2024-06-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2931368C (en) | Valve device for a pressurized gas container | |
| US4569503A (en) | Valve with remote and manual actuation means | |
| CN110332348A (en) | Quick action emergency valve | |
| EP1872039B1 (en) | Pneumatic flow control valve for fire suppression over pressure prevention | |
| US2106176A (en) | Quick release valve | |
| NO161875B (en) | SHUTTER VALVE ACTUATOR. | |
| BR102012031465A2 (en) | HIGH DISCHARGE VALVE (HRD) INCORPORATING A ROTATING LEVER RELEASE MECHANISM | |
| CN210461832U (en) | Emergency cut-off valve | |
| KR101698903B1 (en) | Actuating device unit valve | |
| CN102213334A (en) | Self-operated emergency shutoff valve | |
| KR100255379B1 (en) | Over current stopper of high pressure gas bottle and valve for remaining gas | |
| CN202790819U (en) | Gas emergency cut-off valve | |
| KR101609632B1 (en) | Automatic upsidedownness fire extinguishing equipment | |
| CN202065518U (en) | Self-operated emergency cutoff valve | |
| KR20120076741A (en) | Pressure reducer for a portable compressed gas container | |
| CN110260009B (en) | Breathable pressure release mechanism | |
| KR101182721B1 (en) | Equipment opening and shutting superhigh pressure compressed gas with manual opening device | |
| DK3017268T3 (en) | Fog Generator | |
| CN201934738U (en) | Overpressure isolating valve | |
| CN220185936U (en) | Self-closing valve | |
| CN214427154U (en) | Automatic tester for residual deformation of reinforcing steel bar | |
| CN217463316U (en) | SF6 online check valve group | |
| CN216768424U (en) | Ball valve with limiting function | |
| CN220850909U (en) | Emergency cut-off valve with high Wen Jiesuo device | |
| RU221557U1 (en) | PORTHOLE SAFETY DEVICE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Guangbin Inventor after: Li Yao Inventor after: Zhang Zhao Inventor after: Tu Xiang Inventor after: Lu Jiangnan Inventor before: Cao Guangbin Inventor before: Li Yao |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |