CN205938114U - Voltage regulator subassembly - Google Patents
Voltage regulator subassembly Download PDFInfo
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- CN205938114U CN205938114U CN201620689064.1U CN201620689064U CN205938114U CN 205938114 U CN205938114 U CN 205938114U CN 201620689064 U CN201620689064 U CN 201620689064U CN 205938114 U CN205938114 U CN 205938114U
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- pressure head
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Abstract
The utility model discloses a voltage regulator subassembly, including being equipped with by once from balanced structure driven main valve core, the main valve core lower extreme is connected with secondary self -balancing secondary valve element subassembly, and the secondary valve element subassembly is including establishing inner tube, the leather bag in the urceolus, and the valve rod is worn to be equipped with in the middle part of inner tube, and the valve rod forms detachable T font case with the pressure head, and the valve rod has the pole section of stretching out the inner tube upper end, and the distal end spiral shell of this extension bar section has closed and has kept off the ring, this fender encircle and the inner tube between be equipped with compression spring, the leather bag suit is on the valve rod, and the leather bag outside is hugged closely on the interior terminal surface of pressure head, the annular airtight cavity that the inner tube is inboard through the leather bag and the valve rod is formed with and the outside communicates, pressure head periphery and urceolus form sliding fit's sealing connection, the airtight cavity of annular section structure such as is along the axial, the valve rod passes through the bottom surface butt of the shaft shoulder and annular airtight cavity. The beneficial effects of the utility model are that, have dual pressure regulating structure, the pressure regulating starts sensitively, and the pressure balance process time is short, and regulation precision is high, and compact structure.
Description
Technical field
The utility model patent is related to a kind of pressure adjusting structure, particularly a kind of pressure regulation device assembly.
Background technology
Pressure regulation device assembly generally comprises and stop valve and pressure regulator, and stop valve is used for fluid medium and turns off, and pressure regulator is
A kind of adjustment mechanism for valve adjusting Fluid pressure, pressure regulator is generally using the adjustment control fluid to valve port flow area size
Flow, realizes the purpose of pressure adjustment.The mode that existing pressure regulator changes flow area size is to change valve element between valve port
Distance is realized, and the valve element of pressure regulator drives the mobile distance of realizing of valve element to change by pressure regulating device.The pressure regulation of this pressure regulator is driven
Motivation structure generally adopts self-balance structure, and the diaphragm driven by spring and by pressure medium realizes self-balancing, when pressure increases
When, diaphragm overcomes spring pressure so that valve element is moved near the direction of valve port；When pressure decreases, spring overcoming diaphragm resistance,
So that valve element is moved away from valve port direction, be so repeated several times the purpose reaching pressure adjustment.For the purpose improving regulation precision,
The spool design of execution component is the structure with self-balancing by those skilled in the art, to reach raising by Secondary Control
The purpose of precision.Building regulator gas balance stabilizing valve core as disclosed in China Patent Publication No. CN201149112Y.Should
Valve element changes the distance of valve core head and valve port by way of leather bag, spring promote valve element mobile, and connects using in the middle part of valve core head
Before nearly pressure regulation, the pressure reduction of pressure and valve core head edge part pressure after pressure regulation, realizes the pressure regulation purpose of secondary balancing, due to this
Pressure reduction increases with the increase of valve port inlet pressure, therefore when inlet pressure changes, balance valve core is correspondingly formed pressure and adjusts
Equilibrium process.But the leather bag of this valve element is promoted by the pressed gas in annular chamber and moves and form two by spring reset
Secondary self-balance structure, toroidal cavity therein is ledge structure, in the bearing area being promoted valve element mobile startup stage by leather bag
Less than the bearing area starting the back balance stage.Spring power is overcome to make to send out core shifting in leather bag by less loaded area is pressurized
After dynamic, at once enter the state that loaded area increases, valve element mobile range significantly increases, easily cause pressure regulation excessively, then by
Spring power overcomes leather bag thrust to promote the direction of valve element pressure rise towards after pressure regulation to move, and makes leather bag return to bearing area
Little state.Pressure rise after pressure regulation, be again introduced into pressure reduction pressure regulation process, so repeated multiple times after can be only achieved two
Secondary poised state.Therefore, it is less than the bearing area of normal pressure regulation state during startup, necessarily cause secondary balancing valve element to start to pressure
Power change is insensitive, and pressure balanced valve element moves back and forth often, and the secondary balancing time is long, and regulation precision is difficult to satisfaction and sets
Meter requires.For this reason, it may be necessary to improve further.
Content of the invention
The purpose of this utility model is aiming at the deficiencies in the prior art, provides a kind of pressure regulation device assembly, and this assembly includes
Pressure regulator, the execution component of pressure regulator has self-balancing pressure adjusting structure, and the pressure regulation of this self-balance structure starts sensitive, pressure balance
Process time is short, and regulation precision is high, and compact conformation.
For achieving the above object, the utility model adopts the following technical scheme that.
A kind of pressure regulation device assembly, including the valve port of connection pressure regulation leading portion and pressure regulation back segment, the port of export of valve port is provided with pressure regulation
Device, this pressure regulator is provided with by the main valve plug of a self-balance structure driving, and main valve plug is only movably located at the housing of pressure regulator
On, main valve plug lower end is connected with secondary self-balancing auxiliary valve core assembly, and auxiliary valve core assembly includes being fixed on the outer tube above valve port, outward
Removable in cylinder be provided with inner core, pass through leather bag edge compression between inner core lower surface and the interior step of outer tube bottom and be equiped with skin
Capsule, the middle part of inner core is equipped with valve rod, and valve rod and pressure head form dismountable T-shaped valve element, and valve rod has and stretches out described inner core
The bar segment of upper end, the far-end that this stretches out bar segment is screwed with baffle ring, be provided between this baffle ring and the opposite end face of inner core for
Leather bag forms the compression spring of balance；Leather bag is sleeved on valve rod by the installing hole being provided with the middle part of it, is close to pressure outside leather bag
On the inner face of head；, by being formed with annular closed cavity with valve rod inside leather bag, this annular closed cavity is by running through T for inner core
What the mesopore of font valve element lower end and ft connection, pressure head periphery and outer tube formation were slidably matched is tightly connected；Described annular is close
Closing cavity is in uiform section structure vertically；Described valve rod is abutted with the bottom surface of annular closed cavity by positioning shaft shoulder.
Using the utility model of preceding solution, pressure regulator is provided with by the main valve plug of a self-balancing mechanism driving,
And the secondary self-balancing auxiliary valve core assembly being connected with main valve plug.The lower end working face that auxiliary valve core is used for pressure regulation is located above valve port,
By changing the rate-of flow that the distance realization and between valve port upper surface is flowed out by valve port, reach the purpose of pressure adjustment.Work as valve
When mouth pressure medium raises and leads to the pressure of pressure regulation back segment higher than setting value, the pressure medium after pressure regulation passes through a self-balancing
The main valve plug that makes that structure drives moves down, and main valve plug promotes auxiliary valve core to move down；Meanwhile, this valve port pressure medium raises and leads to pressure head
When the amplitude of center and the increase of outer main pressure differential is more than setting value, close to the medium of inlet pressure, annular is entered by mesopore empty
Chamber, medium promotes valve element to overcome compression spring elastic force using pressure differential by leather bag, so that valve element is moved down near pressure regulation valve port, and two
The superposition value of person's amount of moving down constitutes the displacement total amount near pressure regulation valve port for the auxiliary valve core, reduces the rate-of flow flowing into pressure regulation environment,
Reduce the pressure reduction being formed in the middle part of pressure regulation back segment pressure medium and pressure head with peripheral part；After the pressure medium after pressure regulation reduces, one
What secondary self-balance structure drove makes to be moved back to position on main valve plug, and auxiliary valve core is moved back to position with main valve plug；And meanwhile, in the middle part of pressure head
After the pressure reduction being formed with peripheral part reduces, auxiliary valve core also overcomes leather bag elasticity under the effect of the compression spring of secondary self-balance structure
Power, makes to move on auxiliary valve core, and equally the superposition value of the return amount of the two constitutes the displacement total amount away from pressure regulation valve port for the auxiliary valve core, increases
Flow into the rate-of flow of pressure regulation environment, increase pressure regulation back segment pressure medium, and so that the pressure reduction being formed with peripheral part in the middle part of pressure head is increased
Greatly.When pressure increases and reaches setting value, and when the pressure reduction being formed with peripheral part in the middle part of pressure head reaches setting value, valve element is in
The position of poised state, the pressure medium of pressure regulation back segment keeps constant.Because toroidal cavity is axial uiform section structure, because
This, the mobile startup of valve element is sensitive, and the change of the pressure difference and periphery between in the middle part of pressure head after valve element is mobile steadily, moves back and forth
Cycle-index is few, and the equilibrium process time is short, and regulation precision is high.Adjust its position by rotating baffle ring, change compression spring pretension
Power, realizes the setting of pressure adjusted value.Auxiliary valve core assembly in this pressure regulation device assembly is installed by outer tube and is fixed, and pressure regulation executes structure
The auxiliary valve core of part, leather bag, annular closed cavity and compression spring are both formed in outer barrel, wherein, auxiliary valve core knot in T shape
Structure, auxiliary valve core passes through compression spring and leather bag forms the self-balancing of axial location.This pressure regulation device assembly has dual voltage regulation function,
Pressure regulation stroke is big, and pressure regulation process is short, and regulation precision is high.
Preferably, described inner core is only movably installed in outer tube, and inner core is by the hollow form pressure being screwed on outer tube
Tight plug screw is fixed, and the hollow part of compression plug screw constitutes the installing space of described baffle ring and compression spring.So that baffle ring and compression
Spring forms internals, further cramped construction, adapts to place limited by installing space.
Preferably, described inner core is formed with the bulge loop being set with described compression spring.Improve the firm of compression spring installation
Property and the course of work stability, improve pressure regulation agility and predictable.
Preferably, described outer tube upper end is formed with mounting flange disk.Fixed with supporting by ring flange to carry out installing, carry
The high stability installed.
Preferably, described pressure head is sleeved on described valve rod, and pressure head is sealed by O-ring with the suit mating surface of valve rod；
Described pressure head is T-shaped, and pressure head is adjacent to described leather bag by the small end end face of T-shaped, and the outside of leather bag is provided with end cap, and this end cap abuts
In described positioning shaft shoulder, end cap has the flange of the T-shaped small end peripheral part being fastened on pressure head, so that described leather bag is to pressure head
T-shaped small end periphery forms parcel；Pressure head passes through leather bag and end cap forms axially position by the positioning shaft shoulder on valve rod, and passes through spiral shell
It is combined in the end cap compression of valve rod, this end cap is in the installation counterbore that pressure head is provided with；Described mesopore includes the pressure head being interconnected
Through hole and stem through-hole, pressure head through hole axially penetrates through pressure head, and stem through-hole is made up of the axial direction part being interconnected and radial section, axle
It is located on valve rod to section, and connects with pressure head through hole in valve rod lower end, radial section is located in positioning shaft shoulder, radial section and described ring
Shape closed cavity connects.The reliable demountable structure so that pressure head and valve rod form a fixed connection, reduces manufacture difficulty, and in pressure
Head is internally formed the passage connecting with annular closed cavity, further ensures that compact conformation, improves the adaptability of installing space.Separately
Outward, the medium channel path that mesopore is constituted is short, easy to process, reduces manufacture difficulty Manufacturing cost.Further, end cap can improve skin
Capsule and the bonding strength of valve rod, and protection is formed to leather bag by end cap, eliminate in leather bag motion process and damaged by inner sleeve, prolongation
Leather bag service life；Certainly, end cap also contributes to the sealing that leather bag is connected with valve rod.
Preferably, a described self-balance structure includes lever, drive rod, main leather bag, master tray and main spring；Lever by
Middle part is hinged, and lever one end is provided with elongated slot on the housing, is combined with and is fixedly connected on described main valve plug upper end in elongated slot
Bearing pin, the lever other end is movably connected in described drive rod lower end, and drive rod is connected on described main leather bag by middle part, main leather bag
Downside is connected with described pressure regulation back segment with the cavity that described housing is formed；Described master tray fixation is connected in the upper of described main leather bag
Side, master tray is provided with described main spring, and main spring passes through to screw togather main regulation plug screw compression on the housing.To be formed
The main pressure regulator driving structure of compact conformation, reduction takes up room, and main pressure regulator function is reliable.
Preferably, the entrance point of described valve port is provided with stop valve.If necessary, by the valve element of this stop valve, valve port can be sealed
Close formation and shutoff is formed to medium channel, to meet turn-off function requirement.
The beneficial effects of the utility model are that pressure regulation device assembly forms the dual pressure adjusting structure being overlapped mutually, and pressure regulation starts
Sensitive, the pressure equalization process time is short, and regulation precision is high, and compact conformation.
Brief description
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of secondary self-balancing auxiliary valve core assembly in the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is further described, but therefore the utility model is not limited in institute
Among the scope of embodiments stated.
Referring to Fig. 1, Fig. 2, a kind of pressure regulation device assembly, including the valve port 14 of connection pressure regulation leading portion and pressure regulation back segment, valve port 14
Entrance point be provided with stop valve 22, when necessary, closure, valve are formed to the import of valve port 14 by the valve element 22a of stop valve 22
The port of export of mouth 14 is provided with pressure regulator, and this pressure regulator is provided with by the main valve plug 15 of a self-balance structure driving, a self-balancing
Structure includes lever 17, drive rod 18, main leather bag 19, master tray 20 and main spring 21；Lever 17 is hinged on described shell by middle part
On body, lever 17 one end is provided with elongated slot, is combined with the bearing pin 16 being fixedly connected on described main valve plug 15 upper end, lever 17 in elongated slot
Main valve plug 15 is made to move up and down by stirring bearing pin 16, lever 17 other end is movably connected in described drive rod 18 lower end, lever
17 this end afterbody stretches in the fluting of drive rod 18 lower end, and the upper and lower ends of this fluting are respectively equipped with a straight pin 23, lever
17 stir it by straight pin 23 respectively by both sides swings around hinge axes；Drive rod 18 is connected to described main leather bag 19 by middle part
On, main leather bag 19 downside is connected with described pressure regulation back segment with the cavity that described housing is formed；Master tray 20 fixation is connected in described
The upper side of main leather bag 19, what master tray 20 passed through intermediate flange 20a engaging positioning is provided with described main spring 21, main spring 21
By screwing togather main regulation plug screw compression on the housing.Main valve plug 15 is only movably located on the housing of pressure regulator, institute
State main valve plug 15 lower end and be connected with secondary self-balancing auxiliary valve core assembly, auxiliary valve core assembly includes being fixed on the outer tube of valve port 14 top
1, outer tube 1 upper end is formed with mounting flange disk 1a；Removable in outer tube 1 be provided with inner core 2, inner core 2 is only movably installed in
In outer tube 1, inner core 2 compresses plug screw 8 by the hollow form being screwed on outer tube 1 and fixes, and compression plug screw 8 outer end is formed with to turn pulls
Hand hole 8a, passes through leather bag 3 edge compression and is equiped with leather bag 3 between the interior step of inner core 2 lower surface and outer tube 1 bottom, inner core 2
Middle part is equipped with valve rod 4, and valve rod 4 and pressure head 5 form dismountable T-shaped valve element, between the cooperation face of cylinder of valve rod 4 and inner core 2
It is provided with sealing ring 13；Valve rod 4 has the bar segment stretching out described inner core 2 upper end, and the far-end that this stretches out bar segment is screwed with baffle ring 6,
It is provided with the compression spring 7 for forming balance with described leather bag 3, this compression spring between this baffle ring 6 and opposite end face of inner core 2
On the bulge loop 2a being formed on 7 suit inner cores 2, baffle ring 6 outer end is formed with regulation driving hole 6a；Described leather bag 3 is provided with by the middle part of it
Installing hole be sleeved on the inner face that pressure head 5 is close to outside leather bag 3 on valve rod 4；Described inner core 2 pass through leather bag 3 inner side and
Valve rod 4 is formed with annular closed cavity, this annular closed cavity by running through mesopore and the ft connection of T-shaped valve element lower end,
By being tightly connected that sealing ring 5a formation is slidably matched between pressure head 5 periphery and described outer tube 1, pressure head 5 lower surface is provided with
Sealing gasket 12；Annular closed cavity is in uiform section structure vertically；Valve rod 4 passes through the bottom of positioning shaft shoulder 4a and annular closed cavity
Face abuts.Wherein, the hollow part of described compression plug screw 8 constitutes the installing space of described baffle ring 6 and compression spring 7.
Wherein, pressure head 5 is sleeved on described valve rod 4, and pressure head 5 is sealed by O-ring 9 with the suit mating surface of valve rod 4；Institute
State that pressure head 5 is T-shaped, pressure head 5 is adjacent to described leather bag 3 by the small end end face of T-shaped, and the outside of leather bag 3 is provided with end cap 11, this end cap
11 are connected in described positioning shaft shoulder 4a, and end cap 11 has the flange of the T-shaped small end peripheral part being fastened on pressure head 5, so that described
Leather bag 3 forms parcel to the T-shaped small end periphery of pressure head 5；Pressure head 5 passes through leather bag 3 and end cap 11 by positioning shaft shoulder 4a on valve rod 4
Form axially position, and compressed by being screwed on the end cap 10 of valve rod 4, end cap 10 outer end is formed with inner hexagon spanner hole 10a, should
End cap 10 is in the installation counterbore that pressure head 5 is provided with.Wherein, mesopore includes the pressure head through hole being interconnected and stem through-hole, pressure
Head through hole axially penetrates through pressure head 5, and stem through-hole is made up of the axial direction part being interconnected and radial section, and axial direction part is located on valve rod 4,
And connect with pressure head through hole in valve rod 4 lower end, radial section is located in positioning shaft shoulder 4a, and radial section is with described annular closed cavity even
Logical.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all this technology necks
In domain, technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model
Test available technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (7)
1. a kind of pressure regulation device assembly, including the valve port of connection pressure regulation leading portion and pressure regulation back segment（14）, valve port（14）The port of export set
There is pressure regulator, this pressure regulator is provided with by the main valve plug of a self-balance structure driving（15）, main valve plug（15）Only movably set
On the housing of pressure regulator, main valve plug（15）Lower end is connected with secondary self-balancing auxiliary valve core assembly, and auxiliary valve core assembly includes fixing
In valve port（14）The outer tube of top（1）, outer tube（1）Interior removable it is provided with inner core（2）, inner core（2）Lower surface and outer tube（1）Bottom
Interior step between pass through leather bag（3）Edge compression is equiped with leather bag（3）, inner core（2）Middle part be equipped with valve rod（4）, valve rod
（4）With pressure head（5）Form dismountable T-shaped auxiliary valve core, valve rod（4）Have and stretch out described inner core（2）The bar segment of upper end, this is stretched
The far-end going out bar segment is screwed with baffle ring（6）, in this baffle ring（6）With inner core（2）Opposite end face between be provided with for leather bag（3）
Form the compression spring of balance（7）；Leather bag（3）Valve rod is sleeved on by the installing hole being provided with the middle part of it（4）On, leather bag（3）Outside
It is close to pressure head（5）Inner face on；Inner core（2）By leather bag（3）Inner side and valve rod（4）It is formed with annular closed cavity, should
Annular closed cavity is by running through mesopore and the ft connection of T-shaped auxiliary valve core lower end, pressure head（5）Periphery and outer tube（1）Formed
Be slidably matched is tightly connected；It is characterized in that, described annular closed cavity is in uiform section structure vertically；Described valve rod（4）
By positioning shaft shoulder（4a）Abut with the bottom surface of annular closed cavity.
2. pressure regulation device assembly according to claim 1 is it is characterised in that described inner core（2）Only movably install outside
Cylinder（1）Interior, inner core（2）By being screwed on outer tube（1）On hollow form compression plug screw（8）Fixing, compress plug screw（8）Hollow bulb
Position constitutes described baffle ring（6）And compression spring（7）Installing space.
3. pressure regulation device assembly according to claim 1 is it is characterised in that described inner core（2）On be formed with suit described pressure
Contracting spring（7）Bulge loop（2a）.
4. pressure regulation device assembly according to claim 1 is it is characterised in that described outer tube（1）Upper end is formed with installation usage
Blue disk（1a）.
5. the pressure regulation device assembly according to any one in Claims 1 to 4 is it is characterised in that described pressure head（5）It is sleeved on
Described valve rod（4）On, pressure head（5）With valve rod（4）Suit mating surface pass through O-ring（9）Sealing；Described pressure head（5）It is T-shaped,
Pressure head（5）Small end end face and described leather bag by T-shaped（3）It is adjacent to, leather bag（3）Outside be provided with end cap（11）, this end cap（11）
It is connected to positioning shaft shoulder（4a）On, end cap（11）Have and be fastened on pressure head（5）T-shaped small end peripheral part flange so that described
Leather bag（3）To pressure head（5）T-shaped small end periphery formed parcel；Pressure head（5）By leather bag（3）And end cap（11）By valve rod（4）On
Described positioning shaft shoulder（4a）Form axially position, and by being screwed on valve rod（4）End cap（10）Compression, this end cap（10）Position
In pressure head（5）In the installation counterbore being provided with；Described mesopore includes the pressure head through hole being interconnected and stem through-hole, pressure head through hole axle
To running through pressure head（5）, stem through-hole is made up of the axial direction part being interconnected and radial section, and axial direction part is located at valve rod（4）On, and
Valve rod（4）Lower end is connected with pressure head through hole, and radial section is located at described positioning shaft shoulder（4a）On, radial section is empty with described annular closed
Chamber connects.
6. the pressure regulation device assembly according to any one in Claims 1 to 4 is it is characterised in that a described self-balancing is tied
Structure includes lever（17）, drive rod（18）, main leather bag（19）, master tray（20）And main spring（21）；Lever（17）Cut with scissors by middle part
Connect on the housing, lever（17）One end is provided with elongated slot, is combined with and is fixedly connected on described main valve plug in elongated slot（15）Upper end
Bearing pin（16）, lever（17）The other end is movably connected in described drive rod（18）Lower end, drive rod（18）It is connected to by middle part
Described main leather bag（19）On, main leather bag（19）Downside is connected with described pressure regulation back segment with the cavity that described housing is formed；Described
Master tray（20）Fixation is connected in described main leather bag（19）Upper side, master tray（20）It is provided with described main spring（21）, main bullet
Spring（21）By screwing togather main regulation plug screw compression on the housing.
7. the pressure regulation device assembly according to any one in Claims 1 to 4 is it is characterised in that described valve port（14）Enter
Mouth end is provided with stop valve（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689064.1U CN205938114U (en) | 2016-06-30 | 2016-06-30 | Voltage regulator subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620689064.1U CN205938114U (en) | 2016-06-30 | 2016-06-30 | Voltage regulator subassembly |
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| CN205938114U true CN205938114U (en) | 2017-02-08 |
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| CN201620689064.1U Active CN205938114U (en) | 2016-06-30 | 2016-06-30 | Voltage regulator subassembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576161A (en) * | 2020-06-08 | 2020-08-25 | 邓昌杰 | Curing agent spreader |
| CN112747155A (en) * | 2020-12-25 | 2021-05-04 | 江苏盛伟燃气科技有限公司 | A commander for gas pressure regulator |
-
2016
- 2016-06-30 CN CN201620689064.1U patent/CN205938114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576161A (en) * | 2020-06-08 | 2020-08-25 | 邓昌杰 | Curing agent spreader |
| CN112747155A (en) * | 2020-12-25 | 2021-05-04 | 江苏盛伟燃气科技有限公司 | A commander for gas pressure regulator |
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