CN110345285A - A kind of pilot-operated type pressure-regulating valve - Google Patents
A kind of pilot-operated type pressure-regulating valve Download PDFInfo
- Publication number
- CN110345285A CN110345285A CN201910706752.2A CN201910706752A CN110345285A CN 110345285 A CN110345285 A CN 110345285A CN 201910706752 A CN201910706752 A CN 201910706752A CN 110345285 A CN110345285 A CN 110345285A
- Authority
- CN
- China
- Prior art keywords
- exocoel
- valve
- connector
- pressure
- pilot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 230000004888 barrier function Effects 0.000 claims description 32
- 238000010079 rubber tapping Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 14
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 235000020354 squash Nutrition 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/38—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side
- F16K31/385—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor in which the fluid works directly on both sides of the fluid motor, one side being connected by means of a restricted passage and the motor being actuated by operating a discharge from that side the fluid acting on a diaphragm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a kind of pilot-operated type pressure-regulating valves, including the first exocoel, flow control valve and communicating valve, first exocoel is internally provided with the first gas chamber, shell is fixed at the top of first exocoel, and first exocoel and shell middle part through being equipped with locating rod, the bottom center of first exocoel, which runs through, is equipped with connector, elastic runner pipe is provided in the middle part of the connector, and the connector outer wall of two sides is connected separately with flow control valve and communicating valve by the first communicating pipe above and below elastic runner pipe, the inside of second exocoel offers the second gas chamber, the bottom of second exocoel, which is run through, is equipped with outer tube, and spool is provided in outer tube, the pilot-operated type pressure-regulating valve, the fluid regulation control precision of regulating valve progress can effectively be improved, it is big to the regulating ratio of pressure when in use, good airproof performance, The practicability for effectively raising regulating valve avoids pressure and sealing problem that it is caused to use obstacle.
Description
Technical field
The present invention relates to pressure-regulating valve technical field, specially a kind of pilot-operated type pressure-regulating valve.
Background technique
Pressure-regulating valve is a kind of flow adjustment control apparatus of simplicity, intuitively can effectively carry out fluid when in use
The control circulated between valve body, the circulation deviation of flow caused by the problems such as effectively eliminating and avoiding pressure oscillation, so that system
Pressure can effectively maintain the invariable of setting flow when being changed, and the assignment problem for avoiding the occurrence of flow occurs, and make
Flow in pipe network adjusts out of control, because the conveying of waterpower is lacked of proper care because of stress problems, the adjusting for influencing flow is distributed.
However existing pressure-regulating valve has the following problems when in use:
Pressure-regulating valve is using degree of regulation bound problem big, so that its work is adjusted precision not high, while adjusting
It is not high that operation carries out Shi Yinqi regulating ratio, is easy to cause the adjusting of equipment to influence just using out of control with the reason of stress problems
Normal adjusting work carries out, while the leakproofness effect of equipment is not strong, when used for a long time, at the position of internal structure connection,
It is easy to appear the use leakage of fluid, influences pressure controlling precision and validity.In view of the above-mentioned problems, being badly in need of in original pressure tune
Innovative design is carried out on the basis of section valve.
Summary of the invention
The purpose of the present invention is to provide a kind of pilot-operated type pressure-regulating valves, existing to solve above-mentioned background technique proposition
Pressure-regulating valve is using degree of regulation bound problem big, so that its work is adjusted precision not high, while carrying out adjusting operation
Shi Yinqi regulating ratio is not high, is easy to cause the adjusting of equipment to influence normally to adjust using out of control with the reason of stress problems
Work carries out, while the leakproofness effect of equipment is not strong, when used for a long time, at the position of internal structure connection, is easy to appear
The problem of use of fluid leaks, and influences pressure controlling precision and validity.
To achieve the above object, the invention provides the following technical scheme: a kind of pilot-operated type pressure-regulating valve, including outside first
Chamber, flow control valve and communicating valve, first exocoel is internally provided with the first gas chamber, and is fixed in the middle part of the first exocoel
First resilient barrier band, and the first bearing disc is mounted at the top and bottom of the first resilient barrier band, first exocoel
Top be fixed with shell, and the middle part of the first exocoel and shell is through being equipped with locating rod, and between locating rod and shell
It is provided with the first elastic component, and the junction of running through of shell and the first elastic component is arranged with sealing ring, while the first exocoel
Top edge at be provided with pressure tappings, the bottom center of first exocoel is through being equipped with connector, and connector
Locating rod is provided with locating piece through junction bottom, and the lower end of locating rod is fixed with valve rod, the middle part of the connector
It is provided with elastic runner pipe, and the connector outer wall of two sides is connected separately with flow by the first communicating pipe above and below elastic runner pipe
Regulating valve and communicating valve, and the bottom of connector is fixed with the second exocoel, and the top of the bottom of connector and the second exocoel
Pressure block is provided between portion, the inside of second exocoel offers the second gas chamber, and is provided in the middle part of the second gas chamber
Two resilient barrier bands, and the second tray, and the second tray and pressure block are fixed at the top of the second resilient barrier band
Between be fixed with the second elastic component, the bottom of second exocoel is provided with spool through being equipped with outer tube in outer tube, and
The bottom of the second tray is fixed in the upper end of spool, and the flow control valve passes through the inside of the second communicating pipe and the second gas chamber
It is connected with each other, and the inside of the second gas chamber is after the valve of outer tube and third connecting pipe and valve body by being connected with each other, and valve body
By being connected with communicating valve the 4th communicating pipe before valve, and the middle part of valve body is located at the underface of spool, while the lower end of spool
It is fixed with closeouts.
Preferably, first bearing disc is symmetrical arranged about the central transverse axis of the first resilient barrier band, and first
Bearing disc is that the integral structure being fixedly connected is arranged, and the first bearing disc is in the first exocoel with the first resilient barrier band
Portion's elevating movement setting.
Preferably, the locating piece is fixedly welded in the bottom of locating rod, and locating piece is set as inverted "U" shaped knot
Structure, and the inner wall of locating piece constitutes the sliding connection structure being bonded with the top exterior walls of connector.
Preferably, the elastic runner pipe is vertically coaxially disposed with connector and valve rod, and the internal diameter of elastic runner pipe is small
In the section maximum outside diameter of valve rod, and the end of valve rod is set as cone-shaped structure.
Preferably, the area of the second resilient barrier band is greater than section maximum area in the middle part of the second exocoel, and the second bullet
Property dividing strip and the junction sealing structure of the second exocoel be arranged, and the middle part of the second resilient barrier band and the end of spool are
Perforative sealing structure setting.
Preferably, the lateral section of second tray is set as " U " font structure, and the second tray and the second elasticity
Part is fixedly connected, and the second tray and pressure block constitute lifting structure, and the lateral section of pressure block with the second exocoel
It is set as inverted T-shaped structure, the outer wall of the pressure block is slidably connected with what the inner wall of connector was set as being bonded, and
Installation by adhering has O V-shaped ring on the outer wall of pressure block.
Preferably, hollow structure is arranged in the outer tube, and the inside of outer tube and the second gas chamber and third connecting pipe is phase
Mutually perforation setting.
Preferably, mutual after the valve of the spool and before valve between the second communicating pipe and the inside of third connecting pipe
Connection, and be the OQ t structure of gluing, sealing between the middle part and closeouts of spool.
Compared with prior art, the beneficial effects of the present invention are: the pilot-operated type pressure-regulating valve, can effectively improve tune
It saves the fluid regulation that valve carries out and controls precision, big to the regulating ratio of pressure when in use, good airproof performance effectively raises adjusting
The practicability of valve avoids pressure and sealing problem that it is caused to use obstacle；
1, it is arranged by the elastic component of the first gas chamber and the second outer chamber, so that the pressure value of pressure tappings is more than or less than
When setup pressure value, the mobile change in position occurs for valve rod, carries out the connection of valve rod and elastic runner pipe, changes elasticity runner pipe
Open wide or sealed condition, elastic runner pipe open wide and block when the circulation of fluid media (medium) is changed so that spool into
Line position sets the mobile circulation for changing valve body, thus before the valve of application valve body and downstream pressure；
2, the first gas chamber and the second gas indoor first are convenient in the setting of the first resilient barrier band and the second resilient barrier band
Bearing disc and the installation positioning of the second tray, so that the first bearing disc and the second tray are mobile in control valve rod and spool position
Shi Gengjia smoothness is convenient, while the use of resilient barrier band, so that the installation leakproofness of plenum interior is stronger, it is avoided to make for a long time
Occurred with the leakage problem of the fluid media (medium) occurred in the process.
Detailed description of the invention
Fig. 1 is positive structure schematic of the present invention；
Fig. 2 is the first plenum interior structural schematic diagram of the invention；
Fig. 3 is the second plenum interior structural schematic diagram of the invention；
Fig. 4 is outer tube of the present invention and third connecting pipe connecting structure schematic diagram；
Fig. 5 is valve body structure schematic diagram of the present invention.
In figure: 1, the first exocoel；2, the first gas chamber；3, the first resilient barrier band；4, the first bearing disc；5, shell；6, fixed
Position bar；7, the first elastic component；8, ring is sealed；9, pressure tappings；10, connector；11, locating piece；12, valve rod；13, elasticity circulation
Pipe；14, the first communicating pipe；15, flow control valve；16, communicating valve；17, the second exocoel；18, pressure block；19, the second gas chamber；
20, the second resilient barrier band；21, the second tray；22, the second elastic component；23, outer tube；24, spool；25, the second communicating pipe；
26, third connecting pipe；27, valve body；28, the 4th communicating pipe；29, closeouts.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of pilot-operated type pressure-regulating valve, including the first exocoel
1, the first gas chamber 2, the first resilient barrier band 3, the first bearing disc 4, shell 5, locating rod 6, the first elastic component 7, sealing ring 8,
Pressure tappings 9, connector 10, locating piece 11, valve rod 12, elastic runner pipe 13, the first communicating pipe 14, flow control valve 15, connection
Valve 16, the second exocoel 17, pressure block 18, the second gas chamber 19, the second resilient barrier band 20, the second tray 21, the second elastic component
22, outer tube 23, spool 24, the second communicating pipe 25, third connecting pipe 26, valve body 27, the 4th communicating pipe 28 and closeouts 29, first
Exocoel 1 is internally provided with the first gas chamber 2, and the middle part of the first exocoel 1 is fixed with the first resilient barrier band 3, and the first bullet
The top and bottom of property dividing strip 3 are mounted on the first bearing disc 4, and the top of the first exocoel 1 is fixed with shell 5, and outside first
The middle part of chamber 1 and shell 5, which is run through, is equipped with locating rod 6, and the first elastic component 7 is provided between locating rod 6 and shell 5, and
And shell 5 and being arranged with through junction for the first elastic component 7 seal ring 8, while being arranged at the top edge of the first exocoel 1
There are pressure tappings 9, the bottom center of the first exocoel 1, which runs through, is equipped with connector 10, and the locating rod 6 of connector 10 is through connection
Place bottom is provided with locating piece 11, and the lower end of locating rod 6 is fixed with valve rod 12, and the middle part of connector 10 is provided with elastomeric flow
Siphunculus 13, and 10 outer wall of connector of about 13 two sides of elastic runner pipe is by being connected separately with flow adjusting the first communicating pipe 14
Valve 15 and communicating valve 16, and the bottom of connector 10 is fixed with the second exocoel 17, and outside the bottom of connector 10 and second
It is provided with pressure block 18 between the top of chamber 17, the inside of the second exocoel 17 offers the second gas chamber 19, and the second gas chamber 19
Middle part is provided with the second resilient barrier band 20, and the top of the second resilient barrier band 20 is fixed with the second tray 21, and
The second elastic component 22 is fixed between second tray 21 and pressure block 18, the bottom of the second exocoel 17, which is run through, is equipped with outer tube
23, and spool 24 is provided in outer tube 23, and the bottom of the second tray 21, flow control valve are fixed in the upper end of spool 24
15 are connected with each other by the inside of the second communicating pipe 25 and the second gas chamber 19, and the inside of the second gas chamber 19 passes through outer tube 23 and the
It is connected with each other after tee joint pipe 26 and the valve of valve body 27, and passes through the 4th communicating pipe 28 and 16 phase of communicating valve before the valve of valve body 27
Even, and the middle part of valve body 27 is located at the underface of spool 24, while the lower end of spool 24 is fixed with closeouts 29.
First bearing disc 4 is symmetrical arranged about the central transverse axis of the first resilient barrier band 3, and the first bearing disc 4 with
First resilient barrier band 3 is the integral structure setting being fixedly connected, and the first bearing disc 4 is in the inside liter of the first exocoel 1
Drop movement setting, locating piece 11 is fixedly welded in the bottom of locating rod 6, and locating piece 11 is set as inverted "U" shaped structure,
And the inner wall of locating piece 11 constitutes the sliding connection structure being bonded with the top exterior walls of connector 10, so that the first bearing disc 4
When by the first 1 pressure change of exocoel, elevating movement is more smooth, to change the institute of the first bearing disc 4 and valve rod 12
In position.
Elastic runner pipe 13 is vertically coaxially disposed with connector 10 and valve rod 12, and the internal diameter of elastic runner pipe 13 is less than valve
The section maximum outside diameter of bar 12, and the end of valve rod 12 is set as cone-shaped structure, so that valve rod 12 is in the process of movement
Opening wide and blocking for elastic runner pipe 13 can be well controlled, effectively changes the circulation of fluid by the circulation of elastic runner pipe 13
It is rectangular, it carries out flow and adjusts control.
The area of second resilient barrier band 20 is greater than 17 middle part section maximum area of the second exocoel, and the second resilient barrier band
20 and second the junction sealing structure of exocoel 17 be arranged, and the middle part of the second resilient barrier band 20 and the end of spool 24 are
Perforative sealing structure setting, the lateral section of the second tray 21 is set as " U " font structure, and the second tray 21 and second
Elastic component 22 is fixedly connected, and the second tray 21 and pressure block 18 constitute lifting structure, Er Qiecheng with the second exocoel 17
The lateral section of briquetting 18 is set as inverted T-shaped structure, and the outer wall of pressure block 18 and the inner wall of connector 10 are set as pasting
That closes is slidably connected, and installation by adhering has O V-shaped ring on the outer wall of pressure block 18, facilitates pressure block 18 and the second tray
21 lifting position is mobile to be changed, so that the position change of spool 24 is convenient, while 17 internal leakage of the second exocoel being avoided to cause
Pressure change.
Hollow structure is arranged in outer tube 23, and the inside of outer tube 23 and the second gas chamber 19 and third connecting pipe 26 is mutually to pass through
It is logical to be arranged, it is interconnected after the valve of spool 24 and before valve between the second communicating pipe 25 and the inside of third connecting pipe 26,
And between the middle part and closeouts 29 of spool 24 be gluing, sealing OQ t structure, convenient for spool 24 elevating movement carry out
Position it is mobile change, utilize spool 24 to carry out the connection and closure of valve body 27.
Working principle: when using the pilot-operated type pressure-regulating valve, first according to Fig. 1-5, pressure tappings 9 are chosen into valve body 27
Downstream pressure, thus valve body 27 internal pressure value problem influence fluid flow circulation when, change pressure tappings 9 work in
Pressure is set, as shown in Figure 1-3, the first elastic component 7 occurs after the selection of pressure tappings 9 27 downstream pressure of valve body is greater than the set value
Elastic pressure deforms, and the first resilient barrier band 3 inside the first gas chamber 2 drives the first bearing disc 4 to be moved, so that the first bullet
Property part 7 motion deformation occurs so that locating rod 6 drives the valve rod 12 of its lower end to move downward, in valve rod 12 and elastic runner pipe
Under 13 squash type connection function, so that fluid media (medium) circulates quilt in elastic runner pipe 13 before the valve body 27 that communicating valve 16 is introduced into
Cutting, so that the fluid media (medium) that communicating valve 16 imports inside connector 10 applies active force to pressure block 18, so that pressure block 18
The second elastic component 22 is squeezed to deformation, under the action of the second elastic component 22, the second resilient barrier band 20 and the second tray 21
It is moved downward with spool 24, as shown in figure 5, the effect in the case where the closeouts 29 of 24 end of spool act in the middle part of cutting valve body 27
Under, after preventing the middle part inflow valve that fluid media (medium) passes through valve body 27, achieve the purpose that stable downstream pressure；
As shown in Figs. 1-5, when the pressure of pressure tappings 9 is less than setup pressure value, the first elastic component 7 occurs elastic pressure and becomes
Shape, locating rod 6 drive the valve rod 12 of its lower end to move upwards, so that medium passes through elastic first company of the inflow of runner pipe 13 before fluid
In siphunculus 14 and flow control valve 15, and spool 24 is moved upwards with closeouts 29 at this moment, so that opened wide in the middle part of valve body 27,
Supply fluid media (medium) stablizes downstream pressure after restoring toward valve.
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art,
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement, all within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (8)
1. a kind of pilot-operated type pressure-regulating valve, including the first exocoel (1), flow control valve (15) and communicating valve (16), feature
Be: first exocoel (1) is internally provided with the first gas chamber (2), and the first elasticity is fixed in the middle part of the first exocoel (1)
Dividing strip (3), and be mounted on the first bearing disc (4) at the top and bottom of the first resilient barrier band (3), first exocoel
(1) it is fixed at the top of shell (5), and the middle part of the first exocoel (1) and shell (5) is through being equipped with locating rod (6), and fixed
It is provided with the first elastic component (7) between position bar (6) and shell (5), and shell (5) and running through for the first elastic component (7) connect
Place is arranged with sealing ring (8), while pressure tappings (9) are provided at the top edge of the first exocoel (1), first exocoel
(1) bottom center, which runs through, to be equipped with connector (10), and the locating rod (6) of connector (10) is arranged through junction bottom
Have locating piece (11), and the lower end of locating rod (6) is fixed with valve rod (12), the middle part setting of the connector (10) is flexible
Runner pipe (13), and connector (10) outer wall of elastic runner pipe (13) two sides up and down is separately connected by the first communicating pipe (14)
There are flow control valve (15) and communicating valve (16), and the bottom of connector (10) is fixed with the second exocoel (17), and connects
It is provided with pressure block (18) between the bottom of part (10) and the top of the second exocoel (17), the inside of second exocoel (17) is opened
The second resilient barrier band (20), and the second elasticity point are provided with equipped with the second gas chamber (19), and in the middle part of the second gas chamber (19)
It is fixed with the second tray (21) at the top of band (20), and is fixed with the between the second tray (21) and pressure block (18)
Two elastic components (22), the bottom of second exocoel (17), which is run through, to be equipped with outer tube (23), and is provided with spool in outer tube (23)
(24), and the bottoms of the second tray (21) is fixed in the upper end of spool (24), and the flow control valve (15) passes through second
The inside of communicating pipe (25) and the second gas chamber (19) is connected with each other, and the inside of the second gas chamber (19) passes through outer tube (23) and third
Be connected with each other after communicating pipe (26) and the valve of valve body (27), and before the valve of valve body (27) by the 4th communicating pipe (28) be connected to
Valve (16) is connected, and the middle part of valve body (27) is located at the underface of spool (24), while the lower end of spool (24) is fixed with envelope
Blocking piece (29).
2. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: first bearing disc (4) is closed
It is symmetrical arranged in the central transverse axis of the first resilient barrier band (3), and the first bearing disc (4) and the first resilient barrier band (3)
Integral structure to be fixedly connected is arranged, and the first bearing disc (4) is arranged in the inside elevating movement of the first exocoel (1).
3. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: the fixed weldering of the locating piece (11)
It is connected to the bottom of locating rod (6), and locating piece (11) is set as inverted "U" shaped structure, and the inner wall of locating piece (11)
The sliding connection structure being bonded is constituted with the top exterior walls of connector (10).
4. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: it is described elasticity runner pipe (13) with
Connector (10) and valve rod (12) are vertically coaxially disposed, and the internal diameter of elastic runner pipe (13) is less than the section maximum of valve rod (12)
Outer diameter, and the end of valve rod (12) is set as cone-shaped structure.
5. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: the second resilient barrier band
(20) area is greater than section maximum area in the middle part of the second exocoel (17), and the second resilient barrier band (20) and the second exocoel (17)
The setting of junction sealing structure, and the end of the middle part of the second resilient barrier band (20) and spool (24) is perforative sealing
Structure setting.
6. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: second tray (21)
Lateral section is set as " U " font structure, and the second tray (21) is fixedly connected with the second elastic component (22), and second accepts
Disk (21) and pressure block (18) constitute lifting structure with the second exocoel (17), and the lateral section of pressure block (18) is set as down
The T-shaped structure set, the outer wall of the pressure block (18) are slidably connected with what the inner wall of connector (10) was set as being bonded, and
Installation by adhering has O V-shaped ring on the outer wall of pressure block (18).
7. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: outer tube (23) setting is hollow
Structure, and outer tube (23) and the second gas chamber (19) and the inside of third connecting pipe (26) they are to be mutually communicated setting.
8. a kind of pilot-operated type pressure-regulating valve according to claim 1, it is characterised in that: after the valve of the spool (24) and
Before valve between the second communicating pipe (25) and the inside of third connecting pipe (26) be interconnected, and the middle part of spool (24) with
It is the OQ t structure of gluing, sealing between closeouts (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706752.2A CN110345285A (en) | 2019-08-01 | 2019-08-01 | A kind of pilot-operated type pressure-regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910706752.2A CN110345285A (en) | 2019-08-01 | 2019-08-01 | A kind of pilot-operated type pressure-regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345285A true CN110345285A (en) | 2019-10-18 |
Family
ID=68183672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910706752.2A Pending CN110345285A (en) | 2019-08-01 | 2019-08-01 | A kind of pilot-operated type pressure-regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345285A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189586A (en) * | 1997-01-31 | 1998-08-05 | 顾天骠 | Diaphragm driving steady flow control valve |
| CN202048252U (en) * | 2010-12-21 | 2011-11-23 | 浙江科海仪表有限公司 | Self-operated pressure regulating valve operated by pilot valve |
| CN204403491U (en) * | 2014-12-16 | 2015-06-17 | 上海大成仪表有限责任公司 | Operated micropressure adjusting valve |
| CN104864142A (en) * | 2015-05-25 | 2015-08-26 | 杭州华惠阀门有限公司 | Pressure releasing system |
| CN204739278U (en) * | 2015-05-25 | 2015-11-04 | 杭州良工阀门有限公司 | Formula of relying on oneself pilot valve pressure regulating valve of control pressure -fired |
| CN105042141A (en) * | 2015-08-15 | 2015-11-11 | 重庆布莱迪仪器仪表有限公司 | Piston self-operated regulating valve |
| CN205978688U (en) * | 2016-08-29 | 2017-02-22 | 永嘉汇正自控泵阀有限公司 | Minute -pressure self -operated regulator |
| CN109798368A (en) * | 2019-02-27 | 2019-05-24 | 苏州纽威阀门股份有限公司 | A kind of seperating range control valve |
| CN210318684U (en) * | 2019-08-01 | 2020-04-14 | 浙江汇正自控阀门有限公司 | Pilot-operated type pressure regulating valve |
-
2019
- 2019-08-01 CN CN201910706752.2A patent/CN110345285A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189586A (en) * | 1997-01-31 | 1998-08-05 | 顾天骠 | Diaphragm driving steady flow control valve |
| CN202048252U (en) * | 2010-12-21 | 2011-11-23 | 浙江科海仪表有限公司 | Self-operated pressure regulating valve operated by pilot valve |
| CN204403491U (en) * | 2014-12-16 | 2015-06-17 | 上海大成仪表有限责任公司 | Operated micropressure adjusting valve |
| CN104864142A (en) * | 2015-05-25 | 2015-08-26 | 杭州华惠阀门有限公司 | Pressure releasing system |
| CN204739278U (en) * | 2015-05-25 | 2015-11-04 | 杭州良工阀门有限公司 | Formula of relying on oneself pilot valve pressure regulating valve of control pressure -fired |
| CN105042141A (en) * | 2015-08-15 | 2015-11-11 | 重庆布莱迪仪器仪表有限公司 | Piston self-operated regulating valve |
| CN205978688U (en) * | 2016-08-29 | 2017-02-22 | 永嘉汇正自控泵阀有限公司 | Minute -pressure self -operated regulator |
| CN109798368A (en) * | 2019-02-27 | 2019-05-24 | 苏州纽威阀门股份有限公司 | A kind of seperating range control valve |
| CN210318684U (en) * | 2019-08-01 | 2020-04-14 | 浙江汇正自控阀门有限公司 | Pilot-operated type pressure regulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101832399B (en) | Differential pressure valve | |
| CN203421182U (en) | Multistage depressurization adjusting valve | |
| CN104315198A (en) | Air inlet valve and energy-saving air inlet system | |
| CN218818173U (en) | Ultrahigh pressure throttle valve with series structure | |
| CN110345285A (en) | A kind of pilot-operated type pressure-regulating valve | |
| CN207470808U (en) | A kind of Water flow adjusting valve | |
| CN209638417U (en) | Throttle valve | |
| WO2020015581A1 (en) | Pressure maintaining valve | |
| CN210318684U (en) | Pilot-operated type pressure regulating valve | |
| CN205136704U (en) | One -way accent stream valve | |
| CN208348600U (en) | Pilot-operated type adjusting valve | |
| CN215059810U (en) | Ultra-high pressure BA-level clean pressure reducing valve | |
| CN206290789U (en) | A kind of automatic core assembly and pressure difference independent type flow control valve | |
| CN209196147U (en) | A kind of balanced type three-way control valve | |
| CN208010962U (en) | Claw deflecting valve | |
| CN208778750U (en) | A kind of diaphragm type electromagnetic valve for refrigeration | |
| CN210318636U (en) | Three-way control valve | |
| CN213598585U (en) | Two-way flow control valve | |
| CN205155279U (en) | Dynamic balance adjusting valve | |
| CN212690896U (en) | Anti-scouring small-flow adjusting ball valve | |
| CN209041694U (en) | A kind of instrument valve of good airproof performance | |
| CN209196203U (en) | A kind of gas pressure-reducing valve | |
| CN108506541A (en) | Pilot-operated type adjusting valve | |
| CN216078307U (en) | Realize sealed and adjust flow balance regulation structure of formula high pressure regulating valve that staggers | |
| CN214838422U (en) | Piston type pressure regulator |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
|
| RJ01 | Rejection of invention patent application after publication |