CN206036329U - Investigation mission outside city or town fluid constant pressure valve - Google Patents
Investigation mission outside city or town fluid constant pressure valve Download PDFInfo
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- CN206036329U CN206036329U CN201621084069.8U CN201621084069U CN206036329U CN 206036329 U CN206036329 U CN 206036329U CN 201621084069 U CN201621084069 U CN 201621084069U CN 206036329 U CN206036329 U CN 206036329U
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- pressure
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Abstract
The utility model relates to an investigation mission outside city or town fluid constant pressure valve, including valve main part and constant voltage subassembly, the valve main part is provided with constant voltage subassembly die cavity, one -level fluid input interface and second grade fluid transport interface, the one end of constant voltage subassembly die cavity is uncovered, is provided with the constant voltage subassembly in the constant voltage subassembly die cavity, the constant voltage subassembly includes pressure regulating disk seat, the constant voltage ejector pin of coaxial setting, reduce pressure regulation post and constant voltage flexible sheet, and the setting of decompression regulation post is in the pressure regulating disk seat, and decompression regulation post drives through the rotation of outer adjusting screw and slides. Compared with the prior art, the utility model, adopt external pressure regulating to make the pressure adjustment more convenient, a plurality of fluid chamber of one -level fluid process get into the fluid control room, have guaranteed the stability of fluid flow to be convenient for the more accurate control of pressure can drive the decompression through rotatory outer adjusting screw and adjust the post and slide in the axial cavity of pressure regulating disk seat, and then the volumetric adjustment of realization convection cell control room and three -fluid room, reaches the purpose of regulating fluid pressure.
Description
Technical field
This utility model is related to a kind of valve, and in particular to a kind of investigation mission outside the city or town constant pressure fluid valve.
Background technology
Valve is the medium (gas) in pipe arrangement and equipment is flowed or is stopped and can control the device of its flow.At present,
Valve is control unit in pipeline fluid induction system, it be for changing path section and media flow direction, with water conservancy diversion,
The functions such as cut-off, throttling, non-return, shunting or overflow release, and in existing valve, it is used for industrial equipment, diving apparatus, pasture and water machine
Deng constant pressure valve pressure value is adjusted when, need first carry out constant pressure valve release, and then can just enter after removing air intake apparatus again
The regulation of row pressure value, so, operates very inconvenient, impact work efficiency.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of simple structure, easy to operate, can improve work effect
The investigation mission outside the city or town constant pressure fluid valve of rate.
The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of investigation mission outside the city or town constant pressure fluid valve, including valve master
Body and constant pressure component, the valve body are provided with constant pressure component die cavity, primary fluid input interface and second grade fluid output interface；
The open at one end of the constant pressure component die cavity, the constant pressure assembly type intracavity are provided with constant pressure component, the constant pressure
Component includes pressuring adjusting valve base, constant pressure push rod, decompression adjustable column and the constant compression elastic diaphragm being coaxially disposed；
The pressuring adjusting valve base is fixed with the valve body and the opening end to the constant pressure component die cavity is closed, described
First fluid room is provided between the inner circumferential wall of the peripheral outer wall of pressuring adjusting valve base and the constant pressure component die cavity, it is described first-class
Body room is connected with the primary fluid input interface, and the pressuring adjusting valve base is internally provided with axial cavity and tapped through hole, described
The one end of pressuring adjusting valve base described in one end insertion of axial cavity away from the constant pressure component die cavity opening end, the tapped through hole
One end is connected with the other end of the axial cavity, and the other end of the tapped through hole runs through the pressuring adjusting valve base near the perseverance
One end of pressure component die cavity opening end, the decompression adjustable column are arranged in the axial cavity and are slided with the axial cavity
Coordinate, between the peripheral outer wall and the inner circumferential wall of the axial cavity of the decompression adjustable column, be provided with second fluid room, institute
State first fluid passage of the second fluid room by being arranged in the pressuring adjusting valve base to connect with the first fluid room, the spiral shell
Stricture of vagina through hole female thread is connected with two ends and is located at the outer voltage regulation screw on the outside of the valve body and in the axial cavity respectively, passes through
Rotating the outer voltage regulation screw can drive the decompression adjustable column to slide in the axial cavity, and adjust in the decompression
During post slides, the second fluid room is connected with the first fluid room all the time, and the decompression adjustable column is away from described
One end of tapped through hole is working end, and the decompression adjustable column is internally provided with second fluid passage, and the second fluid leads to
The one end in road is connected with the second fluid room through the working end of the decompression adjustable column, the other end；
The constant pressure push rod is enclosed in the constant pressure assembly type intracavity by the pressuring adjusting valve base, and the constant pressure push rod is by pressure-bearing
Portion and pressure-regulating portion composition step are shaft-like, sliding between the inner circumferential wall of the peripheral outer wall in the pressure-bearing portion and the constant pressure component die cavity
Dynamic to coordinate, the pressure-bearing portion is compression end away from one end of the pressuring adjusting valve base, and the other end is connected with one end of the pressure-regulating portion,
The other end of the pressure-regulating portion is voltage adjusting end, and the voltage adjusting end is stretched into interior its of the axial cavity and slided with the axial cavity matches somebody with somebody
Close, between the peripheral outer wall of the pressure-regulating portion and the axial cavity, be provided with flow control chamber, the pressure-bearing portion is in the perseverance
Pressure assembly type intracavity slides and the voltage adjusting end can be driven to fit or separate with the working end of the decompression adjustable column, when the tune
When pressure side is fitted with the working end of the decompression adjustable column, the voltage adjusting end is located at the decompression and adjusts to the second fluid passage
The port of the working end of segmented column is closed, when the voltage adjusting end is separated with the working end of the decompression adjustable column, described the
Two fluid passages are connected with the flow control chamber, form the 3rd fluid between the compression end and the constant pressure component die cavity
Room, is provided with the 3rd fluid passage of the connection flow control chamber and the 3rd fluid chamber in the constant pressure push rod, and the described 3rd
Fluid chamber is connected with the second grade fluid output interface；
The constant compression elastic diaphragm arrangement between the pressuring adjusting valve base and the pressure-bearing portion, for limiting institute by elastic force
State constant pressure push rod to slide to the decompression adjustable column direction.
Preferably, the port diameter that the 3rd fluid passage is connected with the 3rd fluid chamber is more than the described 3rd stream
The port diameter that body passage is connected with the flow control chamber, and ratio therebetween is 10:1.
Preferably, the working end of the decompression adjustable column is prominent spherical crown shape, the voltage adjusting end is fixedly connected with energy
With it is described decompression adjustable column working end fit to the second fluid passage be located at it is described reduce pressure adjustable column working end end
The constant pressure plastic sealed pad sealed by mouth.
Preferably, the diameter with diameter greater than the tapped through hole of the axial cavity, the outer voltage regulation screw is located at
The outer pressure regulation locking nut for locking the outer voltage regulation screw is rotary with one end on the outside of the valve body.
Preferably, having elastic recreation room, the constant compression elastic diaphragm between the constant pressure valve seat and the pressure-bearing portion
It is indoor positioned at the elasticity activity, it is provided with institute's constant pressure valve seat for discharging or sucking the fast quick-action of the constant compression elastic diaphragm
The accurate constant pressure spiracle of the air-flow that work is produced, the accurate constant pressure spiracle connect the elastic recreation room and the valve body
Outside, be provided between the elastic recreation room and the fluid surge-chamber between the pressure-regulating portion and the axial cavity
It is provided between the circumferential wall of the sealing ring for being sealed off, the axial outer wall in the pressure-bearing portion and the constant pressure component die cavity
The sealing ring that will be sealed off between 3rd fluid chamber and the elastic recreation room.
Preferably, the pressuring adjusting valve base is sequentially connected and is constituted Step Shaft by the first valve section, the second valve section and the 3rd valve section
Shape, the diameter of the first valve section, the second valve section and the 3rd valve section are sequentially reduced, the diameter of the constant pressure component die cavity with it is described
Second valve section diameter matches, the opening end of the constant pressure component die cavity are with the mounting groove matched with the first valve section, described
Second valve section arranges external screw thread near the part of the first valve section, and the constant pressure component die cavity is near the part of the mounting groove
The female thread matched with the external screw thread is provided with, the pressuring adjusting valve base and valve body are by the external screw thread and screw-internal thread fit
Connection, the first fluid room be located between the second valve section and the constant pressure component die cavity, the first valve section with it is described
It is provided with sealing ring between mounting groove and between the outer wall and the constant pressure component die cavity of the second valve section, described second
Sealing ring between valve section and the constant pressure component die cavity is located between the first fluid room and the 3rd valve section, described to subtract
Two sealing rings arranged side by side, the second are provided between the outer circumferential walls and the circumferential wall of the axial cavity of pressure adjustable column
Body room is located between two sealing rings, and the constant compression elastic diaphragm is sheathed on the outer wall of the 3rd valve section.
Preferably, being additionally provided with primary fluid passage and second grade fluid passage, the first fluid in the valve body
Room is connected with the primary fluid input interface by the primary fluid passage, and the 3rd fluid chamber is by the secondary streams
Body passage is connected with the second grade fluid output interface, is also equipped with primary fluid pressure gauge and second grade fluid outside the valve body
Pressure gauge, the primary fluid pressure gauge and second grade fluid pressure gauge respectively with the primary fluid passage and second grade fluid passage
Connection.
Preferably, be additionally provided with the valve body outer wall being used for the plug of pressure release with the second grade fluid channel connection
Screw interface, is provided with the plug screw blocked to which in the plug screw interface.
Preferably, the primary fluid input interface is provided with for installing the external screw thread of fluid storage equipment and being used for
The female thread of filtering flow part is installed, the second grade fluid output interface is provided with for installing second grade fluid bunkerage
Female thread, is additionally provided with the primary fluid supplement interface with the primary fluid channel connection, institute on the outer wall of the valve body
State primary fluid and supplement the fluid supplement check valve being provided with interface for fluid replacement.
Preferably, the primary fluid pressure gauge and second grade fluid pressure gauge are inlaid on the outer wall of the valve body,
It is additionally provided with the outer wall of the valve body for the mounting structure by integral installation in other equipment.
The beneficial effects of the utility model are：This utility model compared with prior art, adjusts pressure using external pressure regulation
Section is more convenient, and primary fluid enters flow control chamber through multiple fluid chamber, it is ensured that the stability of flow of fluid, and more
It is easy to being precisely controlled for pressure, decompression adjustable column can be driven sliding in the axial cavity of pressuring adjusting valve base by rotating outer voltage regulation screw
Move, and then realize the adjustment of the volume of convection cell control room and the 3rd fluid chamber, reach the purpose of regulated fluid pressure.In addition,
Diameter with diameter greater than tapped through hole of this utility model by setting decompression adjustable column, reduces pressure adjustable column not in use
The danger that can be flown out as pressure is excessive, is effectively guaranteed safety in utilization.This utility model is also by accurately setting
The two ends port area ratio for putting the 3rd fluid passage on constant pressure push rod makes constant pressure more accurate.
Description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is sectional view of the present utility model；
Fig. 3 is partial sectional view of the present utility model；
In accompanying drawing, the list of parts representated by each label is as follows：
01st, valve body, 02, constant pressure component, 03, second grade fluid pressure gauge, 04, primary fluid pressure gauge, 05, fluid supplements
Check valve, 06, plug screw, 11, primary fluid input interface, 12, primary fluid passage, 13, primary fluid supplement interface,
14th, primary fluid pressure gauge connection, 15, valve body fixed screw holes, 16, second grade fluid passage, 17, second grade fluid pressure gauge connects
Mouthful, 18, plug screw interface, 19, second grade fluid output interface, 20, constant pressure component die cavity, 101, constant pressure push rod, 102, constant pressure
Plastic sealed pad, 103, constant compression elastic diaphragm, 104, pressuring adjusting valve base, 105, outer pressure regulation locking nut, 106, outer voltage regulation screw,
107th, reduce pressure adjustable column, and 108, accurate constant pressure spiracle, 109, sealing ring, 201, first fluid room, 202, first fluid passage,
203rd, second fluid room, 204, second fluid passage, 205, flow control chamber, the 206, the 3rd fluid passage, the 207, the 3rd fluid
Room.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in Figure 1 to Figure 3, a kind of investigation mission outside the city or town constant pressure fluid valve, including valve body 01, constant pressure component 02, primary fluid pressure
Power table 04 and second grade fluid pressure gauge 03, the valve body 01 be provided with constant pressure component die cavity 20, primary fluid input interface 11,
Second grade fluid output interface 19 and for the mounting structure by integral installation in other equipment.
As shown in Fig. 2 the mounting structure is arranged on the outer wall of the valve body 01, in the present embodiment, the installation
Structure is two valve body fixed screw holes 15 being arranged on the same side wall of the valve body 01.
As described in Figure 2, the primary fluid input interface 11 and second grade fluid output interface 19 are arranged at and the peace
On the relative the same side wall of assembling structure, the primary fluid input interface 11 and second grade fluid output interface 19 can also be arranged on
On different side walls, particular location can be configured according to different use needs.
The primary fluid input interface 11 is integrated the cylindrical structural for being arranged on internal openings on the valve body 01,
The outer wall and inwall of the primary fluid input interface 11 is separately provided for installing external screw thread and the use of fluid storage equipment
In the female thread for installing filtering flow part, in the second grade fluid output interface 19 is integrated and is arranged on the valve body 01
The cylindrical structural of portion's perforate, or the hole for directly opening up in 01 side wall of the valve body, the second grade fluid output interface
19 hole wall is provided with female thread or external thread structure for installing second grade fluid bunkerage, specifically can be according to different
It is configured using needs.
The open at one end of the constant pressure component die cavity 20, is provided with constant pressure component 02, institute in the constant pressure component die cavity 20
State pressuring adjusting valve base 104, constant pressure push rod 101 and constant compression elastic diaphragm 103 that constant pressure component 02 includes being coaxially disposed.
As shown in Figures 2 and 3, the pressuring adjusting valve base 104 is fixed with the valve body 01 and to the constant pressure component die cavity
20 opening end is closed.The pressuring adjusting valve base 104 is sequentially connected and is constituted platform by the first valve section, the second valve section and the 3rd valve section
Rank shaft-like, the diameter of the first valve section, the second valve section and the 3rd valve section are sequentially reduced, the diameter of the constant pressure component die cavity 20
With the diameter matches of the second valve section, the opening end of the constant pressure component die cavity 20 is with the peace matched with the first valve section
Tankage, the second valve section arrange external screw thread in the outer circumferential walls of the first valve section, and the constant pressure component die cavity 20 is leaned on
The female thread matched with the external screw thread, the pressuring adjusting valve base 104 and valve body are provided with the circumferential wall of the nearly mounting groove
01 is connected by the external screw thread and screw-internal thread fit, and after the pressuring adjusting valve base 104 is connected with the valve body 01, it is described
First valve section is flushed away from the lateral wall of valve body 01 that is located with which of one end of the second valve section, and end face is designed with two
Individual maintenance and installation fabrication hole is easy to maintenance and installation to process, as shown in Figure 1.
First annular groove, the first annular groove and the constant pressure component is offered in the peripheral outer wall of the second valve section
First fluid room 201 is formed between the inner circumferential wall of die cavity 20.Between the first valve section and the mounting groove and described
Sealing ring 109, the second valve section and the constant pressure is provided between the outer wall of two valve sections and the constant pressure component die cavity 20
Sealing ring 109 between component die cavity 20 is located between the first fluid room 201 and the 3rd valve section.
Primary fluid passage 12 is provided with the valve body 01, and the first fluid room 201 passes through the primary fluid
Passage 12 is connected with the primary fluid input interface 11.It is additionally provided with the outer wall of the valve body 01 and the primary fluid
The primary fluid of the connection of passage 12 supplements interface 13, and the primary fluid supplements the stream being provided with interface 13 for fluid replacement
Body supplements check valve 05.First class pressure table mounting groove, the first class pressure table peace is additionally provided with the outer wall of the valve body 01
The primary fluid pressure gauge connection 14 connected with the primary fluid passage 12, the primary fluid pressure gauge is provided with tankage
04 is flush-mounted in the first class pressure table mounting groove, and connects the primary fluid passage by primary fluid pressure gauge connection 14
12.The primary fluid pressure gauge 04 is inlaid in first class pressure table mounting groove, and energy effective protection primary fluid pressure gauge 04 is not
Easily it is damaged, and makes this utility model overall appearance more beautiful.
Axial cavity and tapped through hole is coaxially arranged with inside the pressuring adjusting valve base 104, and the axial cavity is in cylinder,
The diameter with diameter greater than the tapped through hole of the axial cavity, the 3rd valve Duan Yuan described in one end insertion of the axial cavity
From one end of the second valve section, one end of the tapped through hole is connected with the other end of the axial cavity, and the screw thread leads to
The other end in hole runs through the one end of the first valve section away from the second valve section.
The decompression adjustable column 107 being slidably matched with which, the week of the decompression adjustable column 107 is provided with the axial cavity
The second cannelure is offered on outer wall, forms second between second cannelure and the inner circumferential wall of the axial cavity
Body room 203, the pressuring adjusting valve base 104 offer the first radial hole of first annular groove described in insertion and axial cavity, and described
The second fluid room 203 is connected with the first fluid room 201 by one radial hole as first fluid passage 202.
Be provided between the outer circumferential walls and the circumferential wall of the axial cavity of the decompression adjustable column 107 two it is arranged side by side
Sealing ring 109, the second fluid room 203 are located between two sealing rings 109 arranged side by side, and two sealing rings 109 arranged side by side are
Sliding ring 109.
The tapped through hole female thread is connected with two ends and is located on the outside of the valve body 01 and in the axial cavity respectively
The outer voltage regulation screw 106 of side, can drive the decompression adjustable column 107 in the axle by rotating the outer voltage regulation screw 106
Slide into cavity, and during the decompression adjustable column 107 slides, the second fluid room 203 is all the time with described the
One fluid chamber 201 connects.The outer voltage regulation screw 106 is rotary with described for locking on the one end on the outside of the valve body 01
The outer pressure regulation locking nut 105 of outer voltage regulation screw 106, prevents outer voltage regulation screw 106 from loosening and affecting constant pressure precision.
It is described decompression adjustable column 107 away from the tapped through hole one end be working end, the work of the decompression adjustable column 107
It is prominent spherical crown shape as end.The decompression adjustable column 107 is internally provided with the first axial hole and the second radial hole, and described the
The one end in one axial hole be blind end, the other end through it is described decompression adjustable column 107 working end, the one of second radial hole
Second cannelure described in the insertion of end, the other end connect the blind end in first axial hole, first axial hole and the second footpath
The second fluid passage 204 for connecting the second fluid room 203 is constituted to hole.
The constant pressure push rod 101 is enclosed in the constant pressure component die cavity 20 by the pressuring adjusting valve base 104, the constant pressure top
Bar 101 is made up of pressure-bearing portion and pressure-regulating portion that step is shaft-like, and the diameter with diameter greater than the pressure-regulating portion in the pressure-bearing portion is described to hold
It is slidably matched between the inner circumferential wall of the peripheral outer wall of splenium and the constant pressure component die cavity 20.
The constant compression elastic diaphragm 103 is arranged between the second bar of the pressuring adjusting valve base 104 and the pressure-bearing portion, is used for
The constant pressure push rod 101 is limited by elastic force to slide to 107 direction of the decompression adjustable column.103 sets of the constant compression elastic diaphragm
Located at the outer wall of the 3rd valve section.
Elastic recreation room, the constant compression elastic diaphragm is formed between second bar of the constant pressure valve seat and the pressure-bearing portion
103 are located at the elasticity activity interior, are provided with accurate constant pressure spiracle 108, the accurate constant pressure breathing in institute's constant pressure valve seat
Hole 108 connects the outside of the elastic recreation room and the valve body 01, the accurate constant pressure spiracle 108 be used for release or
The air-flow that 103 quick acting of suction constant compression elastic diaphragm is produced, so that improve constant pressure precision.
Be provided between the pressure-regulating portion and the axial cavity by the elastic recreation room and the fluid surge-chamber it
Between the sealing ring 109 that sealed off.The circumferential wall of the axial outer wall in the pressure-bearing portion and the constant pressure component die cavity 20 it
Between be provided with the sealing ring 109 that will be sealed off between the 3rd fluid chamber 207 and the elastic recreation room.
The pressure-bearing portion is compression end away from one end of the pressuring adjusting valve base 104, one end of the other end and the pressure-regulating portion
Connection, the other end of the pressure-regulating portion is voltage adjusting end, and the voltage adjusting end stretches in the axial cavity itself and the axial cavity
It is slidably matched, the peripheral outer wall of the pressure-regulating portion offers the 3rd cannelure of voltage adjusting end described in insertion, the 3rd cannelure
Flow control chamber 205 is formed and the circumferential wall of the axial cavity between.
The voltage adjusting end of the constant pressure push rod 101 be fixedly connected with can with it is described decompression adjustable column 107 working end fit it is right
Fluid issuing (the i.e. one end of the first axial hole through the working end of the decompression adjustable column 107 of the second fluid passage 204
Port) the constant pressure plastic sealed pad 102 that sealed.The pressure-bearing portion slides in the constant pressure component die cavity 20 being capable of band
Move the constant pressure plastic sealed pad 102 and it is described decompression adjustable column 107 working end laminating or separate, when the constant pressure plasticity it is close
When packing 102 is fitted with the working end of the decompression adjustable column 107, stream of the voltage adjusting end to the second fluid passage 204
Body outlet is closed, when the constant pressure plastic sealed pad 102 is separated with the working end of the decompression adjustable column 107, described
Second fluid passage 204 is connected with the flow control chamber 205.
The 3rd fluid chamber 207, the constant pressure push rod 101 is formed between the compression end and the constant pressure component die cavity 20
Second axial hole is offered inside, second axial hole is the circular platform that aperture is gradually reduced along the direction of compression end to voltage adjusting end
Rank hole.The two ends in second axial hole are respectively, compression end described in the big end insertion in second axial hole,
The small end in second axial hole be blind end, the pressure-regulating portion offer circle the 3rd radial hole, the 3rd radial hole
One end insertion described in the 3rd cannelure, the other end connects second axial hole.Second axial hole and the 3rd radial hole
The composition connection flow control chamber 205 and the 3rd fluid passage 206 of the 3rd fluid chamber 207.
The big end in second axial hole is the fluid issuing of the 3rd fluid passage 206, the 3rd radial hole
The port of the 3rd cannelure described in insertion is the fluid intake of the 3rd fluid passage 206, the 3rd fluid passage 206
The port diameter connected with the 3rd fluid chamber 207 is connected with the flow control chamber 205 more than the 3rd fluid passage 206
Logical port diameter, and ratio therebetween is 10:1, adjust fluid constant pressure more accurate.
Second grade fluid passage 16 is provided with the valve body 01, and the 3rd fluid chamber 207 passes through the second grade fluid
Passage 16 is connected with the second grade fluid output interface 19.It is additionally provided with 01 outer wall of the valve body logical with the second grade fluid
Road 16 connects the plug screw interface 18 for pressure release, is provided with the plug blocked to which in the plug screw interface 18
Screw 06.The plug screw interface 18 is multiple, is respectively arranged with plug screw 06 in multiple plug screw interfaces 18, multiple
Plug screw interface 18 is located at the different lateral of the valve body 01, to select to carry out pressure discharge operations in convenient position.
Secondary pressure table mounting groove is additionally provided with the outer wall of the valve body 01, is set in the secondary pressure table mounting groove
The second grade fluid pressure gauge connection 17 connected with the second grade fluid passage 16 is equipped with, the second grade fluid pressure gauge 03 is flush-mounted in
In the secondary pressure table mounting groove, and the second grade fluid passage 16 is connected by second grade fluid pressure gauge connection 17.It is described
Second grade fluid pressure gauge 03 is inlaid in secondary pressure table mounting groove, and energy effective protection second grade fluid pressure gauge 03 is not easy to be damaged
Wound, and make this utility model overall appearance more beautiful.
Operationally, primary fluid is entered inside valve body 01, successively this utility model from primary fluid input interface 11
Jing primary fluids passage 12, first fluid room 201, first fluid passage 202, second fluid room 203, second fluid passage 204
The working end of decompression adjustable column 107 is flow to, the working end of the adjustable column 107 that reduces pressure withstands on the constant pressure plastic sealed of constant pressure push rod 101
On pad 102, after primary fluid impact constant pressure plastic sealed pad 102, from the working end of decompression adjustable column 107 and constant pressure plastic sealed
Gap incoming fluid control room 205 between pad 102 is changed into second grade fluid, and second grade fluid is entered by the 3rd fluid passage 206
3rd fluid chamber 207 is pressurizeed, and then Jing second grade fluids passage 16 is flowed out from second grade fluid output interface 19.
Constant pressure principle of the present utility model is as follows：After second grade fluid enters the 3rd fluid chamber 207, the pressure of second grade fluid
Constant pressure push rod 101 will be promoted to slide to 107 direction of decompression adjustable column, and constant compression elastic diaphragm 103 will be permanent by its own resilient prevention
Bear down on one the slip of bar 101, control second grade fluid pressure so as to reach balance, allow second grade fluid to reach the effect of constant current output whereby
Really, and the regulation of the pressure size of second grade fluid is then moved controlling by adjusting outer voltage regulation screw 106 and head on decompression adjustable column 107
The move distance of constant pressure push rod processed 101, so that control the pressure size of second grade fluid.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality
Within new spirit and principle, any modification for being made, additional, equivalent, improvement etc. should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of investigation mission outside the city or town constant pressure fluid valve, it is characterised in that including valve body (01) and constant pressure component (02), the valve body
(01) constant pressure component die cavity (20), primary fluid input interface (11) and second grade fluid output interface (19) are provided with；
Constant pressure component (02) is provided with the open at one end of constant pressure component die cavity (20), constant pressure component die cavity (20),
Described constant pressure component (02) includes pressuring adjusting valve base (104), constant pressure push rod (101), decompression adjustable column (107) and the perseverance being coaxially disposed
Compression elasticity diaphragm (103)；
Pressuring adjusting valve base (104) fix with the valve body (01) and the opening end to constant pressure component die cavity (20) is carried out
Closing, is provided with the between the peripheral outer wall of pressuring adjusting valve base (104) and the inner circumferential wall of constant pressure component die cavity (20)
One fluid chamber (201), first fluid room (201) are connected with primary fluid input interface (11), the pressuring adjusting valve base
(104) axial cavity and tapped through hole are internally provided with, pressuring adjusting valve base (104) described in one end insertion of the axial cavity away from
One end of constant pressure component die cavity (20) opening end, one end of the tapped through hole are connected with the other end of the axial cavity
Logical, the other end of the tapped through hole is through close constant pressure component die cavity (20) opening end of the pressuring adjusting valve base (104)
One end, decompression adjustable column (107) are arranged in the axial cavity and are slidably matched with the axial cavity, the decompression
It is provided with second fluid room (203) between the peripheral outer wall of adjustable column (107) and the inner circumferential wall of the axial cavity, described
Two fluid chamber (203) are by the first fluid passage (202) that is arranged in the pressuring adjusting valve base (104) and the first fluid room
(201) connect, the tapped through hole female thread is connected with two ends and is located on the outside of the valve body (01) respectively and the axially sky
The outer voltage regulation screw (106) of intracavity, can drive decompression adjustable column (107) by rotating outer voltage regulation screw (106)
Slide in the axial cavity, and during decompression adjustable column (107) is slided, second fluid room (203)
All the time connect with first fluid room (201), decompression adjustable column (107) is work away from one end of the tapped through hole
End, decompression adjustable column (107) are internally provided with second fluid passage (204), and the one of second fluid passage (204)
End is connected with second fluid room (203) through the working end of decompression adjustable column (107), the other end；
Constant pressure push rod (101) are enclosed in constant pressure component die cavity (20) by the pressuring adjusting valve base (104), the constant pressure
Push rod (101) is made up of pressure-bearing portion and pressure-regulating portion that step is shaft-like, the peripheral outer wall in the pressure-bearing portion and the constant pressure component die cavity
(20) it is slidably matched between inner circumferential wall, the pressure-bearing portion is compression end away from one end of the pressuring adjusting valve base (104), another
End is connected with one end of the pressure-regulating portion, and the other end of the pressure-regulating portion is voltage adjusting end, and the voltage adjusting end stretches into described axially empty
Intracavity is simultaneously slidably matched with the axial cavity, is provided with fluid between the peripheral outer wall of the pressure-regulating portion and the axial cavity
Control room (205), the pressure-bearing portion are slided in constant pressure component die cavity (20) and the voltage adjusting end can be driven to be subtracted with described
The working end laminating of pressure adjustable column (107) is separated, when the voltage adjusting end is fitted with the working end of decompression adjustable column (107)
When, the voltage adjusting end is located at the port of the working end of decompression adjustable column (107) and carries out to described second fluid passage (204)
Closing, when the voltage adjusting end with it is described decompression adjustable column (107) working end separates when, second fluid passage (204) and
Described flow control chamber (205) connect, and form the 3rd fluid chamber between the compression end and constant pressure component die cavity (20)
(207), it is provided with constant pressure push rod (101) and connects the 3rd of flow control chamber (205) and the 3rd fluid chamber (207)
Fluid passage (206), the 3rd fluid chamber (207) are connected with second grade fluid output interface (19)；
Constant compression elastic diaphragm (103) are arranged between the pressuring adjusting valve base (104) and the pressure-bearing portion, for by elastic force
Limit constant pressure push rod (101) to slide to decompression adjustable column (107) direction.
2. investigation mission outside the city or town constant pressure fluid valve according to claim 1, it is characterised in that the 3rd fluid passage (206) and institute
Port diameter that the 3rd fluid chamber (207) connects is stated more than the 3rd fluid passage (206) and the flow control chamber (205)
The port diameter of connection, and ratio therebetween is 10:1.
3. investigation mission outside the city or town constant pressure fluid valve according to claim 1, it is characterised in that the work of decompression adjustable column (107)
Hold as prominent spherical crown shape, the voltage adjusting end is fixedly connected with can be fitted to institute with the working end of decompression adjustable column (107)
State second fluid passage (204) close positioned at the constant pressure plasticity sealed by the port of the working end of decompression adjustable column (107)
Packing (102).
4. investigation mission outside the city or town constant pressure fluid valve according to claim 1, it is characterised in that the axial cavity with diameter greater than described
The diameter of tapped through hole, described outer voltage regulation screw (106) are located on the one end on the outside of the valve body (01) and are rotary with for locking
Outer pressure regulation locking nut (105) of outer voltage regulation screw (106).
5. investigation mission outside the city or town constant pressure fluid valve according to claim 1, it is characterised in that the constant pressure valve seat and the pressure-bearing portion it
Between there is elastic recreation room, it is indoor that described constant compression elastic diaphragm (103) are located at the elasticity activity, is provided with institute's constant pressure valve seat
For discharging or sucking accurate constant pressure spiracle (108) of the air-flow of constant compression elastic diaphragm (103) quick acting generation,
Described accurate constant pressure spiracle (108) connect the outside of described elastic recreation room and the valve body (01), the pressure-regulating portion with
The sealing that will be sealed off between the elastic recreation room and the fluid surge-chamber is provided between the axial cavity
Circle (109), is provided with described the between the axial outer wall in the pressure-bearing portion and the circumferential wall of constant pressure component die cavity (20)
The sealing ring (109) sealed off between three fluid chamber (207) and the elastic recreation room.
6. investigation mission outside the city or town constant pressure fluid valve according to claim 1, it is characterised in that pressuring adjusting valve base (104) are by the first valve
Section, the second valve section and the 3rd valve section are sequentially connected composition step shaft-like, the first valve section, the second valve section and the 3rd valve section it is straight
Footpath is sequentially reduced, the diameter of constant pressure component die cavity (20) and the second valve section diameter matches, the constant pressure component die cavity
(20), with the mounting groove matched with the first valve section, the second valve section is near the part of the first valve section for opening end
External screw thread is set, in constant pressure component die cavity (20) are provided near the part of described mounting groove
Screw thread, pressuring adjusting valve base (104) and valve body (01) are connected by the external screw thread and screw-internal thread fit, the first fluid
Room (201) be located between the second valve section and constant pressure component die cavity (20), the first valve section and the mounting groove it
Between and the second valve section outer wall and constant pressure component die cavity (20) between be provided with sealing ring (109), described
Sealing ring (109) between two valve sections and constant pressure component die cavity (20) is located at first fluid room (201) with described the
Between three valve sections, between the outer circumferential walls and the circumferential wall of the axial cavity of decompression adjustable column (107), two are provided with
Sealing ring (109) arranged side by side, described second fluid room (203) are located between two sealing rings (109), the constant compression elastic diaphragm
(103) it is sheathed on the outer wall of the 3rd valve section.
7. investigation mission outside the city or town constant pressure fluid valve as claimed in any of claims 1 to 6, it is characterised in that the valve body
(01) primary fluid passage (12) and second grade fluid passage (16) is additionally provided with, and described first fluid room (201) are by described
Primary fluid passage (12) is connected with primary fluid input interface (11), and the 3rd fluid chamber (207) passes through described two
Level fluid passage (16) is connected with second grade fluid output interface (19), is also equipped with primary fluid outside valve body (01)
Pressure gauge (04) and second grade fluid pressure gauge (03), primary fluid pressure gauge (04) and second grade fluid pressure gauge (03) are respectively
Connect with primary fluid passage (12) and second grade fluid passage (16).
8. investigation mission outside the city or town constant pressure fluid valve according to claim 7, it is characterised in that also set up on valve body (01) outer wall
Have in the plug screw interface (18) connected with second grade fluid passage (16) for pressure release, plug screw interface (18)
It is provided with the plug screw (06) blocked to which.
9. investigation mission outside the city or town constant pressure fluid valve according to claim 7, it is characterised in that primary fluid input interface (11) set
The external screw thread for installing fluid storage equipment and the female thread for installing filtering flow part is equipped with, the second grade fluid is defeated
Outgoing interface (19) is provided with the female thread for installing second grade fluid bunkerage, also sets up on the outer wall of valve body (01)
There is the primary fluid connected with primary fluid passage (12) to supplement interface (13), the primary fluid is supplemented in interface (13)
It is provided with fluid supplement check valve (05) for fluid replacement.
10. investigation mission outside the city or town constant pressure fluid valve according to claim 7, it is characterised in that primary fluid pressure gauge (04) and
Second grade fluid pressure gauge (03) is inlaid on the outer wall of the valve body (01), is additionally provided with the outer wall of valve body (01)
For the mounting structure by integral installation in other equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621084069.8U CN206036329U (en) | 2016-09-27 | 2016-09-27 | Investigation mission outside city or town fluid constant pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621084069.8U CN206036329U (en) | 2016-09-27 | 2016-09-27 | Investigation mission outside city or town fluid constant pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036329U true CN206036329U (en) | 2017-03-22 |
Family
ID=58296717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621084069.8U Expired - Fee Related CN206036329U (en) | 2016-09-27 | 2016-09-27 | Investigation mission outside city or town fluid constant pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028782A (en) * | 2021-11-22 | 2022-02-11 | 贵州电网有限责任公司 | Anti-skidding pressurization climbers convenient to change buckle |
-
2016
- 2016-09-27 CN CN201621084069.8U patent/CN206036329U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114028782A (en) * | 2021-11-22 | 2022-02-11 | 贵州电网有限责任公司 | Anti-skidding pressurization climbers convenient to change buckle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20180927 |
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| CF01 | Termination of patent right due to non-payment of annual fee |