CN106523750B - A kind of relief valve accelerator and pressure relief - Google Patents
A kind of relief valve accelerator and pressure relief Download PDFInfo
- Publication number
- CN106523750B CN106523750B CN201611220654.0A CN201611220654A CN106523750B CN 106523750 B CN106523750 B CN 106523750B CN 201611220654 A CN201611220654 A CN 201611220654A CN 106523750 B CN106523750 B CN 106523750B
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- pipe
- control
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Classifications
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- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/048—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded combined with other safety valves, or with pressure control devices
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- 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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to relief valve manufacturing fields, it is intended to solve the problems, such as that relief valve cannot timely pressure release in the prior art.The present invention provides a kind of relief valve accelerator comprising ontology, piston, closeouts and control pipe.The lesser control pipe of internal diameter is flowed by liquid, and then first chamber is flowed by control pipe, with the increase of the liquid volume in first chamber, under the action of fluid pressure, pushes piston driving closeouts to open wide first passage, and then open first passage.Since the internal diameter of control pipe is smaller, in the identical situation of liquid pressure, fluid pressure in the lesser control pipe of internal diameter is relatively large, it can be achieved to flow rapidly into first chamber, piston driving closeouts are pushed to open wide first passage, first passage is quickly opened to realize, realizes the beneficial effect of quick pressure releasing.The invention also discloses the pressure reliefs for having above-mentioned relief valve accelerator.
Description
Technical field
The present invention relates to relief valve manufacturing fields, in particular to a kind of relief valve accelerator and pressure relief.
Background technique
Fluid relief valve is mainly installed in the equipment or pipeline of closed system for protecting system safe.It is mainly protected
The pressure in equipment and pipeline is protected within the pressure limit of setting, prevents from unexpectedly occurring.
Existing fluid relief valve, when meeting with water hammer or the rising of unexpected pressure in pipeline, due to fluid relief valve bore
Larger, main valve rapidly cannot be opened into safety relief height in a short time by conventional pressure relief pilot-actuated valve, lead to relief valve
It cannot timely pressure release.And current relief valve accelerator open function is poor, and unlatching relief valve speed is relatively slow and reacts precision
Difference.
Summary of the invention
The present invention is intended to provide a kind of relief valve accelerator, to solve relief valve accelerator open function in the prior art
It is poor, the problem of opening relatively slow relief valve speed and reaction low precision.
Another object of the present invention is to provide a kind of fluid relief valves with above-mentioned relief valve accelerator.
What the embodiment of the present invention was realized in：
A kind of relief valve accelerator comprising ontology, piston, closeouts and control pipe.Ontology has water inlet, water outlet
And the first passage of connection inlet and outlet, ontology are also equipped with accommodating chamber, and connection accommodating chamber and first passage
Second channel, piston are slidably disposed in accommodating chamber, and accommodating chamber is divided into mutually independent first chamber and second
Chamber, first chamber is close to second channel, and second chamber is far from second channel.Closeouts slidably extend through second channel and work
Plug connection, the wall surface of closeouts and second channel is in sealing contact, control pipe in the glide direction of piston through second chamber and
Piston enters first chamber, and control pipe is connected to first chamber, and control pipe is slidably engaged with piston, and the internal diameter for controlling pipe is small
In the internal diameter of first passage.Piston along control pipe for sliding under the effect of external force, to drive closeouts to open wide or close
First passage.
Relief valve accelerator provided by the invention flows into the lesser control of internal diameter by liquid and manages, and then passes through control pipe
First chamber is flowed into, with the increase of the liquid volume in first chamber, under the action of fluid pressure, pushes piston driving envelope
Blocking piece opens wide first passage, and then opens first passage.Since the internal diameter of control pipe is smaller, in the identical situation of liquid pressure
Under, the fluid pressure in the lesser control pipe of internal diameter is relatively large, it can be achieved that flowing rapidly into first chamber, and promotion piston driving seals
Blocking piece opens wide first passage, quickly opens first passage to realize, realizes the beneficial effect of quick pressure releasing.
In one embodiment of the invention：
Elastic component is provided in above-mentioned second chamber, elastic component, which applies from second chamber piston, is directed toward first chamber direction
On elastic-restoring force.
In one embodiment of the invention：
Above-mentioned elastic component is the spring being sheathed on the outside of control pipe.
In one embodiment of the invention：
The gas vent of connection second chamber is offered on above-mentioned ontology.
In one embodiment of the invention：
Adapter cavity is formed between above-mentioned closeouts and inner body wall, and connection adapter cavity and first chamber are offered in closeouts
The first relief hole, offer the second relief hole being connected to adapter cavity on ontology.
In one embodiment of the invention：
It is above-mentioned to be equipped with the first sealing ring in piston outer sheath.
In one embodiment of the invention：
It is above-mentioned that the second sealing ring is provided between closeouts and inner body wall.
In one embodiment of the invention：
Third sealing ring is provided between above-mentioned control pipe and piston.
In one embodiment of the invention：
It is above-mentioned to be offered in connection first chamber and control pipe on the side wall for the end that control pipe is located in first chamber
The through-hole in portion space.
A kind of pressure relief comprising any one of the above relief valve accelerator, the pressure relief further include relief valve and
The intake antrum of pilot valve, relief valve is connected to the control mouth of pilot valve by the first communicating pipe；The control chamber of relief valve and guide
The water inlet end of valve is connected to by the second communicating pipe；The intake antrum of relief valve and the control chamber of relief valve pass through third connecting Guan Lian
It is logical；The control chamber of relief valve is connected to the water inlet of relief valve accelerator by the 4th communicating pipe；The internal diameter of first communicating pipe is small
In the internal diameter of third connecting pipe；Internal diameter of the internal diameter of second communicating pipe less than the 4th communicating pipe.
The beneficial effect of the embodiment of the present invention is：
Relief valve accelerator provided by the invention flows into the lesser control of internal diameter by liquid and manages, and then passes through control pipe
First chamber is flowed into, with the increase of the liquid volume in first chamber, under the action of fluid pressure, pushes piston driving envelope
Blocking piece opens wide first passage, and then opens first passage.Since the internal diameter of control pipe is smaller, in the identical situation of liquid pressure
Under, the fluid pressure in the lesser control pipe of internal diameter is relatively large, it can be achieved that flowing rapidly into first chamber, and promotion piston driving seals
Blocking piece opens wide first passage, quickly opens first passage to realize, realizes the beneficial effect of quick pressure releasing.
Pressure relief provided by the invention, including relief valve and pilot valve and above-mentioned relief valve accelerator, therefore also have
There is the beneficial effect for realizing quick pressure releasing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the overall structure diagram for the relief valve accelerator that the embodiment of the present invention 1 provides；
Fig. 2 is the structural schematic diagram of the outer tube for the relief valve accelerator that the embodiment of the present invention 1 provides；
Fig. 3 is the cross-sectional view of III-III in Fig. 2；
Fig. 4 is the structural schematic diagram of the fixed column for the relief valve accelerator that the embodiment of the present invention 1 provides；
Fig. 5 is the cross-sectional view of V-V in Fig. 4；
Fig. 6 is the structural schematic diagram of the ontology for the relief valve accelerator that the embodiment of the present invention 1 provides；
Fig. 7 is the cross-sectional view of VII-VII in Fig. 6；
Fig. 8 is the cross-sectional view of VIII-VIII in Fig. 1；
Fig. 9 is the structural schematic diagram of the relief valve accelerator that provides of the embodiment of the present invention 1 in the operating condition；
Figure 10 is the overall structure diagram for the pressure relief 1 that the embodiment of the present invention 1 provides.
Icon：10- relief valve accelerator；100- ontology；110- outer tube；111- accommodating chamber；The first accommodating chamber of 1112-；
1113- first chamber；The second accommodating chamber of 1114-；1115- second chamber；The second sealing ring mounting groove of 1116-；1117- second is close
Seal；112- controls pipe location hole；The 4th sealing ring mounting groove of 1121-；The 4th sealing ring of 1122-；113- fixed column connecting hole；
114- outer tube water outlet；The first threaded hole of 115-；1152- screw；116- gas vent；The second relief hole of 117-；120- fixed column；
122- first passage；1222- water inlet；1224- water outlet；124- controls pipe locating slot；The 5th sealing ring mounting groove of 125-；
The 5th sealing ring of 1251-；126- flange；The second threaded hole of 127-；128- boss；The 6th sealing ring mounting groove of 129-；1291-
Six sealing rings；130- second channel；200- piston；The first sealing ring of 210-；300- closeouts；320- adapter cavity；330- first
Relief hole；400- control pipe；410- through-hole；420- third sealing ring；430- spring；1- pressure relief；20- relief valve；21- into
Water cavity；22- control chamber；23- water chamber；30- pilot valve；31- control mouth；32- water inlet end；First communicating pipe of 40-；50- second
Communicating pipe；60- third connecting pipe；The 4th communicating pipe of 70-；The 5th communicating pipe of 80-.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that closed if there is the orientation of the instructions such as term "inner", "outside" or position
System for be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put or position close
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, of the invention
If occurring term " first ", " second " etc. in description to be only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, if there is term
" setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
Fig. 1 is the overall structure diagram for the relief valve accelerator 10 that the embodiment of the present invention 1 provides.It can from Fig. 1
Control pipe 400 is placed in inside ontology 100 out, and ontology 100 includes outer tube 110 and fixed column 120, and control pipe 400 runs through outer tube
110 far from 120 one end of fixed column.It should be noted that ontology 100 includes outer tube 110 and fixed column in the present embodiment 1
120, it is possible to understand that, it can according to the demand of user, ontology 100 can be used and is wholely set.
Fig. 2 is the structural schematic diagram of the outer tube 110 for the relief valve accelerator 10 that the embodiment of the present invention 1 provides.Fig. 3 is Fig. 2
The cross-sectional view of middle III-III.With further reference to Fig. 2 and Fig. 3 is combined, outer tube 110 is generally cylindric, at 110 middle part of outer tube
It is provided with accommodating chamber 111,110 both ends of outer tube are provided with the control pipe location hole 112 of connection accommodating chamber 111 and on the other side
Fixed column connecting hole 113.The 4th sealing ring mounting groove is also provided on the inner wall of the control pipe location hole 112 of outer tube 110
1121.Accommodating chamber 111 includes the first accommodating chamber 1112 of the close control pipe location hole 112 of connection and positions far from control pipe
Second accommodating chamber 1114 in hole 112, the internal diameter of the internal diameter of the first accommodating chamber 1112 less than the second accommodating chamber 1114.In outer tube 110
The outer tube water outlet 114 of connection accommodating chamber 111 is provided on the side wall of 113 one end of fixed column connecting hole.It is leaned in outer tube 110
Nearly 113 one end of fixed column connecting hole offers the first threaded hole 115.In close control pipe location hole 112 of the side wall of outer tube 110
The place of setting offers the gas vent 116 of the first accommodating chamber 1112 of connection.It is discharged in the side wall upper air-vent 116 and outer tube of outer tube 110
The second relief hole 117 of the second accommodating chamber 1114 of connection is offered between mouth 114 at position.In 111 inner wall of accommodating chamber close to outer
The second sealing ring mounting groove 1116 is provided at pipe water outlet 114.It should be noted that in outer tube 110 in the present embodiment 1
Side wall offers the gas vent 116 of the first accommodating chamber 1112 of connection at control 112 position of pipe location hole, is vented by setting
Hole 116 is passed through or is discharged gas into accommodating chamber 111 to realize.It, can also be with it should be understood that in other specific embodiments
According to the demand of user, it is not provided with gas vent 116.
Fig. 4 is the structural schematic diagram of the fixed column 120 for the relief valve accelerator 10 that the embodiment of the present invention 1 provides, and Fig. 5 is figure
The cross-sectional view of V-V in 4.With further reference to Fig. 4 and Fig. 5 is combined, fixed column 120 is generally cylindric, sets inside fixed column 120
It is equipped with first passage 122, one end of fixed column 120 is arranged in the water inlet 1222 of first passage 122, and first passage 122 goes out
The mouth of a river 1224 is arranged on the side wall of fixed column 120.The one end opposite with water inlet 1222 of fixed column 120 is provided with control pipe
Locating slot 124 offers the 5th sealing ring mounting groove 125 on the lateral wall of control pipe locating slot 124 in fixed column 120.
It is provided with flange 126 between water inlet 1222 and water outlet 1224 on 120 side wall of fixed column, is offered on flange 126
Two threaded holes 127.Water outlet 1224 is provided with the boss 128 around 120 axle center of fixed column in flange 126.In fixed column
The 6th sealing ring mounting groove 129 is offered between 120 side wall convex platforms 128 and water outlet 1224.
Fig. 6 is the structural schematic diagram of the ontology 100 for the relief valve accelerator 10 that the embodiment of the present invention 1 provides, Fig. 7 Fig. 6
The cross-sectional view of middle VII-VII.It please refers to Fig. 6 and combines Fig. 7, fixed column 120 is provided with one end of control pipe locating slot 124 from admittedly
Fixed column connecting hole 113 protrudes into outer tube 110, and is realized outside by screw 1152 through the first threaded hole 115 and the second threaded hole 127
Pipe 110 is fixedly connected with fixed column 120.The connection corresponding with water outlet 1224 of outer tube water outlet 114.Fixed column 120 protrudes into
110 part of outer tube and 110 inner wall of outer tube form second channel 130.Second channel 130 and first passage 122 pass through water outlet
1224 connections.It should be noted that being by the way that screw thread is arranged in being fixedly connected for 1 middle external tube 110 of the present embodiment and fixed column 120
It connects to realize, it is possible to understand that, it can weld or rivet using outer tube 110 and fixed column 120 according to the demand of user
Mode be fixedly connected come what is both realized.
Fig. 8 is the cross-sectional view of VIII-VIII in Fig. 1.Please refer to Fig. 8, relief valve accelerator 10 further include have piston 200 with
Closeouts 300, piston 200 are wholely set with closeouts 300.Piston 200, which is slidably disposed on the second accommodating chamber 1114, (is scheming
Shown in 3) in, the diameter of the diameter of piston 200 and the second accommodating chamber 1114 is adapted, and closeouts 300 are slidably
Ground runs through second channel 130, and is connected on the boss 128 of fixed column 120.In the 6th sealing ring peace at boss 128
6th sealing ring 1291 is installed in tankage 129, the 5th sealing ring 1251 is installed in the 5th sealing ring mounting groove 125.The
Five sealing rings 1251 are installed between fixed column 120 and closeouts 300, realize the sealing of closeouts 300 inner wall and fixed column 120
Contact.The first sealing ring 210 is installed in piston 200 and 110 inner wall contact position of outer tube, in the second sealing ring mounting groove 1116
Second sealing ring 1117 is installed at (being shown in FIG. 3).It is realized by the first sealing ring 210 of setting and the second sealing ring 1117
Closeouts 300 and the wall surface of second channel 130 are in sealing contact.First sealing ring 210 and second close on the outer wall of closeouts 300
Position setting is fluted between seal 1117, and the inner wall of groove and outer tube 110 forms adapter cavity 320.Closeouts 300 block outer tube
Accommodating chamber 111 is also divided into phase by water outlet 114 (being shown in FIG. 3) and water outlet 1224 (being shown in FIG. 6), piston 200
Mutual independent first chamber 1113 and second chamber 1115, for first chamber 1113 close to fixed column 120, second chamber 1115 is separate
Fixed column 120.The first relief hole 330 of connection adapter cavity 320 and first chamber 1113, transition are offered in closeouts 300
Chamber 320 is connected to the second relief hole 117.It should be noted that accommodating chamber 111 is divided for diameter not in the present embodiment 1
Same the first accommodating chamber 1112 and the second accommodating chamber 1114, the limit of piston 200 is realized by the different chamber of diameter
Position movement.It should be understood that can according to the demand of user be wholely set accommodating chamber 111, diameter is not referred respectively to not
Same chamber.It should be noted that being installed in the present embodiment 1 in the 6th sealing ring mounting groove 129 at boss 128
There is the 6th sealing ring 1291, the 5th sealing ring 1251 is installed in the 5th sealing ring mounting groove 125.Pass through the 5th sealing of installation
Circle 1251 and the 6th sealing ring 1291 realize the in sealing contact of fixed column 120 and closeouts 300, it is possible to understand that, at it
In his specific embodiment, plastic cement can also be set by the contact surface of fixed column 120 and closeouts 300 according to the demand of user
Equal elastic components seal to realize, or are not provided with sealing ring.It should also be noted that, passing through setting first in the present embodiment 1
Sealing ring 210 and the second sealing ring 1117 realize that closeouts 300 and the wall surface of second channel 130 are in sealing contact, equally, can also be with
According to the demand of user, it is not provided with sealing ring.
Controlling pipe 400 is the open pipe fitting in both ends, control 400 one end of pipe from the control pipe location hole 112 of outer tube 110 into
The accommodating chamber 111 for entering outer tube 110 through piston 200 and is connected in control pipe locating slot 124.In control pipe 400 close to control
Through-hole 410, the inner space of the connection control pipe 400 of through-hole 410 and first chamber are offered on the side wall of pipe locating slot 124
1113.The 4th sealing ring 1122 is installed in the 4th sealing ring mounting groove 1121 in control pipe location hole 112, is managed in control
400 with 200 contact surface of piston on third sealing ring 420 is installed.Spring 430, spring 430 are equipped in control 400 outer sheath of pipe
One end is connected to piston 200, and the other end is connected to outer tube 110, and is located in second chamber 1115.It should be noted that at this
Third sealing ring 420 and the 4th sealing ring 1122 are set in embodiment 1 to realize that control pipe 400 and piston 200 and control are managed
400 is in sealing contact with outer tube 110.It can also according to the demand of user, in other embodiments by control pipe 400 and piston
Elastic figure layer is arranged to realize sealing effect or be not provided with sealing ring in the contact surface of 200 perhaps outer tubes 110.It also needs to illustrate
, in the present embodiment 1, spring 430 is equipped in control 400 outer sheath of pipe to realize that piston 200 sets back.It can also root
According to the demand of user, it is not provided with spring 430, is set back using the self gravity of piston 200 to realize, it is possible to understand that,
Other resilient element urges pistons 200 can be set to set back to realize.
Fig. 9 is the structural schematic diagram of the relief valve accelerator 10 that provides of the embodiment of the present invention 1 in the operating condition.It please refers to
Figure 10, in 10 course of work of relief valve accelerator, liquid flows into first chamber 1113 from control pipe 400, in first chamber
During liquid in 1113 is continuously increased, a part of liquid can be through the first relief hole 330 and the second relief hole 117 outflow the
One chamber 1113.Simultaneously as liquid will generate piston 200 during the liquid in first chamber 1113 is continuously increased
Upward motive force pushes piston 200 to slide along control pipe 400 to the direction far from second channel 130.Piston 200 is to separate
Second channel 130 direction sliding will drive connected closeouts 300, make closeouts 300 along second channel 130 to
Direction far from first passage 122 is mobile, is gradually connected to outer tube water outlet 114 and water outlet 1224, to keep closeouts 300 spacious
Open first passage 122.And then realize the purpose of quick pressure releasing.Referring once again to Fig. 9, after the completion of pressure release work, fluid pressure
Reduce, pushes piston 200 to mobile, the piston 200 close to the direction of first passage 122 under the elastic reaction of spring 430 at this time
Closeouts 300 will be driven to enter second channel 130, and gradually block outer tube water outlet 114 and water outlet 1224, until closeouts
300 are connected on the boss 128 of fixed column 120, so that closeouts 300 be made to be closed first passage 122.
Figure 10 is the overall structure diagram for the pressure relief 1 that the embodiment of the present invention 1 provides.Please refer to Figure 10, this implementation
In example, additionally providing a kind of pressure relief 1 includes above-mentioned relief valve accelerator 10, and pressure relief 1 further includes 20 He of relief valve
Pilot valve 30.The intake antrum 21 of relief valve 20 passes through with the control mouth 31 of pilot valve 30 to be connected to the first communicating pipe 40, relief valve 20
Control chamber 22 and the water inlet end 32 of pilot valve 30 by being connected to the second communicating pipe 50, the intake antrum 21 and relief valve of relief valve 20
20 control chamber 22 is connected to by third connecting pipe 60, the control chamber 22 of relief valve 20 and the water inlet of relief valve accelerator 10
1222 are connected to by the 4th communicating pipe 70.The internal diameter of first communicating pipe 40 is less than the internal diameter of third connecting pipe 60, the second communicating pipe
Internal diameter of 50 internal diameter less than the 4th communicating pipe 70.During the work time, liquid flow into relief valve 20 intake antrum 21, with into
Liquid increases in water cavity 21, and the partially liq in intake antrum 21 flows into the control chamber 22 of relief valve 20 through third connecting pipe 60
It is interior, while the partially liq in intake antrum 21 flows to the control mouth 31 of pilot valve 30 through the first communicating pipe 40.With intake antrum 21
Interior liquid increases, and the fluid pressure in the first communicating pipe 40 increases, it will opens the water inlet end 32 of pilot valve 30.Open guide
After the water inlet end 32 of valve 30, the liquid in the control chamber 22 of relief valve 20 will be flowed into relief valve the second communicating pipe 50 and be added at this time
In the control pipe 400 of fast device 10, liquid flows into first chamber 1113 from control pipe 400, with the liquid in first chamber 1113
During being continuously increased, a part of liquid (can scheme through the first relief hole 330 (being shown in FIG. 8) and the second relief hole 117
Shown in 8) outflow first chamber 1113, it is flowed into the water chamber 23 of relief valve 20 through the 5th communicating pipe 80.In first chamber
During liquid in 1113 is continuously increased, piston 200 will drive connected to the direction sliding far from second channel 130
Closeouts 300, so that closeouts 300 be made to open wide first passage 122.The liquid in the control chamber 22 of relief valve 20 can be through at this time
It is flowed into the water chamber 23 of relief valve 20 4th communicating pipe 70, and then realizes the purpose of quick pressure releasing.Since pressure relief 1 wraps
Above-mentioned relief valve accelerator 10 is included, therefore also there is the beneficial effect for realizing quick pressure releasing.It should be noted that in this implementation
In example 1, the intake antrum 21 of relief valve 20 is set gradually with the water chamber 23 of relief valve 20 along liquid flow direction.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of relief valve accelerator, it is characterised in that：
The relief valve includes ontology, piston, closeouts and control pipe；
The ontology has the first passage of water inlet, water outlet and the connection water inlet and the water outlet；
The ontology is also equipped with accommodating chamber, and the second channel of the connection accommodating chamber and the first passage；
The piston is slidably disposed in the accommodating chamber, and the accommodating chamber is divided into mutually independent first chamber
And second chamber；The first chamber is close to the second channel, and the second chamber is far from the second channel；
The closeouts slidably extend through the second channel and connect with the piston；The closeouts and the second channel
Wall surface it is in sealing contact；
The control pipe enters first chamber through the second chamber and the piston in the glide direction of the piston
Room；The control pipe is connected to the first chamber；The control pipe is slidably engaged with the piston；The control pipe
Internal diameter is less than the internal diameter of the first passage；
The piston along the control pipe for sliding under the effect of external force, to drive the closeouts to open wide or close institute
State first passage.
2. relief valve accelerator according to claim 1, it is characterised in that：
Elastic component is provided in the second chamber, the elastic component, which applies from the second chamber piston, is directed toward institute
State the elastic-restoring force on first chamber direction.
3. relief valve accelerator according to claim 2, it is characterised in that：
The elastic component is the spring being sheathed on the outside of the control pipe.
4. relief valve accelerator according to claim 1, it is characterised in that：
The gas vent for being connected to the second chamber is offered on the ontology.
5. relief valve accelerator according to claim 1, it is characterised in that：
Adapter cavity is formed between the closeouts and the inner body wall, offered in the closeouts connection adapter cavity and
First relief hole of the first chamber；The second relief hole being connected to the adapter cavity is offered on the ontology.
6. relief valve accelerator according to claim 1, it is characterised in that：
The first sealing ring is equipped in the piston outer sheath.
7. relief valve accelerator according to claim 1, it is characterised in that：
The second sealing ring is provided between the closeouts and the inner body wall.
8. relief valve accelerator according to claim 1, it is characterised in that：
Third sealing ring is provided between the control pipe and the piston.
9. relief valve accelerator according to claim 8, it is characterised in that：
The connection first chamber and described is offered on the side wall for the end that the control pipe is located in the first chamber
Control the through-hole of pipe inner space.
10. a kind of pressure relief, it is characterised in that：
The pressure relief includes relief valve accelerator described in any one of claim 1 to 9；
The pressure relief further includes relief valve and pilot valve；
The intake antrum of the relief valve is connected to the control mouth of the pilot valve by the first communicating pipe；The control of the relief valve
Chamber is connected to the water inlet end of the pilot valve by the second communicating pipe；The control of the intake antrum of the relief valve and the relief valve
Chamber is connected to by third connecting pipe；The water inlet of the control chamber of the relief valve and the relief valve accelerator passes through the 4th
Communicating pipe connection；The internal diameter of first communicating pipe is less than the internal diameter of the third connecting pipe；The internal diameter of second communicating pipe
Less than the internal diameter of the 4th communicating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220654.0A CN106523750B (en) | 2016-12-26 | 2016-12-26 | A kind of relief valve accelerator and pressure relief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611220654.0A CN106523750B (en) | 2016-12-26 | 2016-12-26 | A kind of relief valve accelerator and pressure relief |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523750A CN106523750A (en) | 2017-03-22 |
| CN106523750B true CN106523750B (en) | 2018-11-23 |
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| CN110017939B (en) * | 2018-01-08 | 2024-09-27 | 中国石油天然气股份有限公司 | Short circuit of pressure gauge |
| CN110529607A (en) * | 2019-09-17 | 2019-12-03 | 烟台市顺泰管材有限公司 | Pressure release leak-proof valve |
| CN114776851B (en) * | 2022-04-17 | 2023-04-07 | 西安航空学院 | Self-closed pressure release valve for liquid storage system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1241222B (en) * | 1961-06-30 | 1967-05-24 | Linde Ag | Pressure relief valve |
| DE3023890A1 (en) * | 1980-06-26 | 1982-01-14 | Udo Ing.(grad.) 7148 Remseck Leikauf | VALVE |
| FR2613020A1 (en) * | 1987-03-23 | 1988-09-30 | Dresser Ind | SAFETY OR OVERPRESSURE VALVE |
| JP3248857B2 (en) * | 1997-03-28 | 2002-01-21 | 住重エヌエス油圧株式会社 | Priority circuit type flow dividing valve |
| US20070057214A1 (en) * | 2005-09-09 | 2007-03-15 | Vat Holding Ag | Valve for essentially gastight closing a flow path |
| CN204176056U (en) * | 2014-10-23 | 2015-02-25 | 朱薪霓 | A kind of safety valve be applicable on pressure pot |
| CN206310010U (en) * | 2016-12-26 | 2017-07-07 | 苏州艾尔泰流体控制有限公司 | A kind of relief valve accelerator and pressure relief |
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