CN205745393U - A kind of self-operated flow regulator - Google Patents
A kind of self-operated flow regulator Download PDFInfo
- Publication number
- CN205745393U CN205745393U CN201620474809.2U CN201620474809U CN205745393U CN 205745393 U CN205745393 U CN 205745393U CN 201620474809 U CN201620474809 U CN 201620474809U CN 205745393 U CN205745393 U CN 205745393U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- spool
- core assembly
- self
- exhalant canal
- 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.)
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Abstract
The utility model discloses a kind of self-operated flow regulator, the sleeve that exhalant canal and intake tunnel are separated by intracavity is accommodated including being vertically fixed on core assembly, the barrel of sleeve is provided with at least one spilled water hole connected with intake tunnel, the bottom of sleeve connects with exhalant canal entrance point, it is provided with to slide with sleeve lining in sleeve and joins the spool with the face of cylinder being connected, spool is provided with the pressure compensation opening of up/down perforation, core assembly accommodate chamber be arranged over film head, it is connected with the feedback spring being fixed on bottom body cavity by vertical feedback rod bottom spool, feedback spring is provided with elastic force guiding mechanism.It has the features such as degree of regulation height, good stability, noise is low, length in service life.
Description
Technical field
This utility model relates to a kind of self-operated flow regulator.
Background technology
Self-operated flow regulator is widely used in closed-loop water system (such as hot-water heating system, air-conditioning refrigeration system)
In, drive owing to need not external impetus, easy to use, current self-operated flow regulator is by malleation chamber and negative pressure cavity in film head
The change of the pressure reduction of interior medium makes diaphragm move, thus drives spool that valve seat is produced relative displacement by valve rod, until feedback
The feedback moment that spring produces balances out medium differential pressure makes spool stop moving, and makes spool to water according to this principle of moment balance
The raw corresponding resistance of miscarriage, thus play the purpose of regulation flow, because only by self pressure reduction as regulation driving force, causing tune
Joint precision is the highest, and the spool that current self-operated flow regulator is used and valve seat are taper, and current are by exhalant canal upper end
Valve seat flows out, and current produce forward impact with spool, thus produce the additional force of a jamming pattern, make Torque-adjusting further
It is affected, thus affects the control accuracy of flow, especially when spool and valve seat are when close, and additional interference power is very big,
Not only impact regulation quality, also can make out-of-balance force increase, have a strong impact on the stability of valve.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of self-operated flow regulator, and it has degree of regulation
Height, good stability, the feature such as noise is low, length in service life.
For solving above-mentioned technical problem, technical solution adopted in the utility model is:
A kind of self-operated flow regulator, including valve body, is respectively equipped with exhalant canal with right side on the left of the inner chamber of valve body
And intake tunnel, it is provided with core assembly between exhalant canal and intake tunnel and accommodates chamber, accommodate intracavity at core assembly and control is installed
The core assembly of valve opening processed, core assembly includes that being vertically fixed on core assembly accommodates intracavity by logical to exhalant canal and water inlet
The sleeve that road separates, the barrel of sleeve is provided with at least one spilled water hole connected with intake tunnel, and the bottom of sleeve leads to water outlet
Road entrance point connection, is provided with to slide with sleeve lining in sleeve and joins the spool with the face of cylinder being connected, and spool is provided with and passes through up and down
Logical pressure compensation opening, spool center of top vertically fixes valve rod, is arranged over film head, film head bag what core assembly accommodated chamber
Include upper shell and lower house and between upper shell and lower house, and be connected to one with upper shell and lower house rim seal
The diaphragm risen, the airtight chamber that diaphragm and upper shell are formed is malleation chamber, upper shell be provided with malleation medium pipeline accept into
Mouthful, the airtight chamber that diaphragm and lower house are formed is negative pressure cavity, is provided with negative pressure and is situated between negative pressure cavity and core assembly receiving chamber
Matter communicating passage, valve rod is connected by negative pressure medium communicating passage and diaphragm bottom center are fixing, by vertical anti-bottom spool
Feedback bar is connected with the feedback spring being fixed on bottom body cavity, and feedback spring is provided with elastic force guiding mechanism.
This utility model further improvement is that:
Elastic force guiding mechanism includes: be arranged on the bottom spring tray of feedback spring, and the bottom center of spring tray is fixed
The jackscrew threadeded with body base, jackscrew is rotationally connected with valve seal.
By communicating pipe mounting flange bottom lower house, ring flange and valve body fixed seal connection, the end of ring flange
The edge, upper end of face and exhalant canal entrance point is respectively equipped with the circular groove suitable with sleeve upper and lower end, sleeve
Upper and lower end is respectively embedded in groove.
Barrel uniform four spilled water holes of circumference of sleeve, spilled water hole is positioned at the 1/3 of sleeve height.
Spool is cylindrical body, and the height of cylindrical body is the 1/2 of sleeve height, valve rod be arranged on having of cylindrical body top
The connecting plate of pressure compensation opening connects.
Use and have the beneficial effects that produced by technique scheme:
This utility model accommodates intracavity at core assembly and installs the core assembly of control valve opening, and core assembly includes erecting
Accommodating, to being fixed on core assembly, the sleeve that exhalant canal and intake tunnel are separated by intracavity, the barrel of sleeve is provided with at least one
The spilled water hole connected with intake tunnel, the bottom of sleeve connects with exhalant canal entrance point, is provided with and sleeve lining in sleeve
The sliding spool with the face of cylinder joining connection, spool is provided with the pressure compensation opening of up/down perforation.This structure valve core assembly passes through valve
The size moving up and down change spilled water hole of core, thus control valve opening, the movement of spool is changed by flow path direction against the current before
For side water (flow) direction, it is to avoid the frontal impact power of current, thus avoid the generation of the additional force of jamming pattern, make valve adjust
Avoiding being affected by this interference additional force during joint aperture, thus improve degree of regulation, spool is provided with the pressure of up/down perforation
Balance pipe, when spool moves up and down, makes the upper and lower pressure at both sides of sleeve inner spool keep balance, thus avoids spool when mobile
Unaffected, feedback spring is provided with elastic force guiding mechanism, for adjusting valve rod intensity of suffered feedback moment when mobile, thus
Adjust the force value that pressure regulator valve is regulated；Barrel uniform four spilled water holes of circumference of sleeve, spilled water hole is positioned at the 1/3 of sleeve height
Place.Making water be entered in sleeve by the outer surrounding of sleeve, water flow stationary, it is high that this utility model has degree of regulation, good stability, noise
The features such as low, length in service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that in Fig. 1, spool coordinates with sleeve；
Fig. 3 is the structural representation of Fig. 1 middle sleeve；
Fig. 4 is the structural representation of spool in Fig. 1.
In the accompanying drawings: 1, valve body；1-1, exhalant canal；1-2, intake tunnel；1-3, core assembly accommodate chamber；2, sleeve；
2-1, spilled water hole；3, cylindrical body spool；3-1, pressure compensation opening；4, valve rod；5, film head；5-1, upper shell；5-2, lower house；5-
3, diaphragm；6, communicating pipe；7, the vertical feedback rod of spool；8, feedback spring；9, spring tray；10, jackscrew；11, ring flange；12 pressures
Blue；13, airtight and watertight padding.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is further elaborated.
From the embodiment shown in Fig. 1-4, the present embodiment includes valve body 1, on the left of the inner chamber of valve body 1 with right side respectively
It is provided with exhalant canal 1-1 and intake tunnel 1-2, is provided with core assembly between exhalant canal 1-1 and intake tunnel 1-2 and accommodates chamber 1-
3, accommodate intracavity at core assembly and the core assembly of control valve opening is installed, core assembly includes vertically being fixed on core assembly
Accommodating the sleeve 2 that exhalant canal 1-1 and intake tunnel 1-2 is separated by intracavity, it is logical with water inlet that the barrel of sleeve 2 is provided with at least one
The spilled water hole 2-1 of road 1-2 connection, the bottom of sleeve 2 connects with exhalant canal 1-1 entrance point, is provided with and sleeve 2 in sleeve 2
The sliding spool with the face of cylinder joining connection of inwall, spool is provided with the pressure compensation opening of up/down perforation, and spool center of top is vertical
Fixing valve rod 4, is arranged over film head 5 what core assembly accommodated chamber, and film head 5 includes upper shell 5-1 and lower house 5-2 and position
Between upper shell 5-1 and lower house 5-2, and the diaphragm 5-linked together with upper shell 5-1 and lower house 5-2 rim seal
The airtight chamber that 3, diaphragm 5-3 and upper shell 5-1 are formed is malleation chamber, is provided with malleation medium pipeline at upper shell 5-1 and accepts
The airtight chamber that entrance 5-4, diaphragm 5-3 and lower house 5-2 are formed is negative pressure cavity, and negative pressure cavity accommodates chamber 1-3 with core assembly
Between be provided with negative pressure medium communicating passage, valve rod 4 is fixed with diaphragm 5-3 bottom center by negative pressure medium communicating passage and is connected,
Being connected with the feedback spring 8 being fixed on valve body 1 intracavity bottom by vertical feedback rod 7 bottom spool, feedback spring 8 is provided with elastic force
Guiding mechanism.
Elastic force guiding mechanism includes: be arranged on the bottom spring tray 9 of feedback spring 8, and the bottom center of spring tray 9 is solid
The fixed jackscrew 10 being connected with valve body 1 bottom thread, jackscrew 10 seals with valve body 1 and is rotationally connected.
By communicating pipe 6 mounting flange 11 bottom lower house 5-2, ring flange 11 and valve body 1 fixed seal connection, method
The blue bottom surface of dish 11 and the edge, upper end of exhalant canal 1-1 entrance point are respectively equipped with suitable with sleeve 2 upper and lower end
Circular groove, sleeve 2 upper and lower end is respectively embedded in groove.
Barrel circumference uniform four spilled water hole 2-1, spilled water hole 2-1 of sleeve 2 are positioned at the 1/3 of sleeve 2 height.
Spool is cylindrical body 3, the height of cylindrical body 3 be sleeve 2 height 1/2, valve rod 4 be arranged on cylindrical body 3 top
Have pressure compensation opening 3-1 connecting plate connect.
Operation principle:
When the malleation chamber of diaphragm and the pressure reduction of negative pressure cavity change, its active force produced acts on diaphragm, makes film
Sheet produces the displacement of vertical direction, thus moves up and down change valve (spilled water hole) aperture by valve rod band movable valve plug, it is to avoid
The frontal impact power of current, along with the increase of the amount of movement of valve rod, feedback spring strengthens counteracting force because of deformation, when the two moment
Time equal, valve rod stops mobile, and valve opening is adjusted in place, and during pressure regulates, adds owing to avoiding this interference
The impact of power, thus improve degree of regulation, when pressure compensation opening can make spool move up and down, upper and lower two side pressures of sleeve inner spool
Trying hard to keep maintains an equal level weighs, and is adjusted the feedback moment of feedback spring by elastic force guiding mechanism, adjusts the flow of self-operated flow regulator
Set-point.
Claims (5)
1. a self-operated flow regulator, including valve body (1), is respectively equipped with right side on the left of the inner chamber of described valve body (1)
Exhalant canal (1-1) and intake tunnel (1-2), be provided with core assembly between described exhalant canal (1-1) and intake tunnel (1-2)
Accommodate chamber (1-3), accommodate intracavity at described core assembly and the core assembly of control valve opening is installed, it is characterised in that: described
Core assembly includes that being vertically fixed on core assembly accommodates the set that exhalant canal (1-1) and intake tunnel (1-2) are separated by intracavity
Cylinder (2), the barrel of described sleeve (2) is provided with at least one spilled water hole (2-1) connected with intake tunnel (1-2), described sleeve
(2) bottom connects with exhalant canal (1-1) entrance point, is provided with and is connected join with sleeve (2) inwall sliding in described sleeve (2)
Having the spool on the face of cylinder, described spool is provided with the pressure compensation opening of up/down perforation, the described vertical standing valve of spool center of top
Bar (4), described core assembly accommodate chamber be arranged over film head (5), described film head (5) includes upper shell (5-1) and lower casing
Body (5-2) and being positioned between upper shell (5-1) and lower house (5-2), and with upper shell (5-1) and lower house (5-2) edge
The diaphragm (5-3) being sealed connected together, the airtight chamber that described diaphragm (5-3) and upper shell (5-1) are formed is malleation chamber,
It is provided with malleation medium pipeline at described upper shell (5-1) and accepts entrance (5-4), described diaphragm (5-3) and lower house (5-2) institute shape
The airtight chamber become is negative pressure cavity, is provided with negative pressure medium communicating passage between described negative pressure cavity and core assembly receiving chamber (1-3),
Described valve rod (4) is connected by negative pressure medium communicating passage and diaphragm (5-3) bottom center are fixing, by perpendicular bottom described spool
Being connected with the feedback spring (8) being fixed on valve body (1) intracavity bottom to feedback rod (7), described feedback spring (8) is provided with elastic force and adjusts
Complete machine structure.
A kind of self-operated flow regulator the most according to claim 1, it is characterised in that: described elastic force guiding mechanism bag
Including: be arranged on the bottom spring tray (9) of feedback spring (8), the bottom center of described spring tray (9) is fixed and valve body (1)
The jackscrew (10) that bottom thread connects, described jackscrew (10) seals with valve body (1) and is rotationally connected.
A kind of self-operated flow regulator the most according to claim 1, it is characterised in that: at described lower house (5-2) end
Portion passes through communicating pipe (6) mounting flange (11), described ring flange (11) and valve body (1) fixed seal connection, described ring flange
(11) bottom surface is respectively equipped with the edge, upper end of exhalant canal (1-1) entrance point and fits mutually with sleeve (2) upper and lower end
The circular groove joined, described sleeve (2) upper and lower end is respectively embedded in described groove.
A kind of self-operated flow regulator the most according to claim 1, it is characterised in that: the barrel week of described sleeve (2)
To uniform four spilled water holes (2-1), described spilled water hole (2-1) is positioned at the 1/3 of described sleeve (2) height.
A kind of self-operated flow regulator the most according to claim 1, it is characterised in that: described spool is cylindrical body (3),
The height of described cylindrical body (3) be sleeve (2) height 1/2, described valve rod (4) be arranged on having of cylindrical body (3) top
The connecting plate of pressure compensation opening (3-1) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474809.2U CN205745393U (en) | 2016-05-24 | 2016-05-24 | A kind of self-operated flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620474809.2U CN205745393U (en) | 2016-05-24 | 2016-05-24 | A kind of self-operated flow regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745393U true CN205745393U (en) | 2016-11-30 |
Family
ID=57362620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620474809.2U Expired - Fee Related CN205745393U (en) | 2016-05-24 | 2016-05-24 | A kind of self-operated flow regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745393U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336275A (en) * | 2020-03-18 | 2020-06-26 | 宁波杰克龙精工有限公司 | Flow regulating valve and regulating method thereof |
| CN112197011A (en) * | 2020-09-30 | 2021-01-08 | 福建骏格科技有限公司 | Pressure control valve for closed drainage device capable of controlling negative pressure input |
| CN112460279A (en) * | 2020-11-25 | 2021-03-09 | 苏州德兰能源科技股份有限公司 | Self-feedback flow steady and constant regulating valve |
-
2016
- 2016-05-24 CN CN201620474809.2U patent/CN205745393U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336275A (en) * | 2020-03-18 | 2020-06-26 | 宁波杰克龙精工有限公司 | Flow regulating valve and regulating method thereof |
| CN112197011A (en) * | 2020-09-30 | 2021-01-08 | 福建骏格科技有限公司 | Pressure control valve for closed drainage device capable of controlling negative pressure input |
| CN112460279A (en) * | 2020-11-25 | 2021-03-09 | 苏州德兰能源科技股份有限公司 | Self-feedback flow steady and constant regulating valve |
| CN112460279B (en) * | 2020-11-25 | 2022-04-29 | 苏州德兰能源科技股份有限公司 | Self-feedback flow steady and constant regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170524 |