CN207364369U - Self-operated flow control valve - Google Patents
Self-operated flow control valve Download PDFInfo
- Publication number
- CN207364369U CN207364369U CN201721325260.1U CN201721325260U CN207364369U CN 207364369 U CN207364369 U CN 207364369U CN 201721325260 U CN201721325260 U CN 201721325260U CN 207364369 U CN207364369 U CN 207364369U
- Authority
- CN
- China
- Prior art keywords
- valve body
- elastic parts
- self
- flow control
- inlet pipe
- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 abstract description 4
- 108091006146 Channels Proteins 0.000 description 10
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model provides a kind of self-operated flow control valve, including the valve body with accommodating chamber, and it is formed at the water inlet pipe and outlet pipe of the two opposite sides of valve body, in being equipped with core assembly in accommodating chamber, film head assembly is equipped with valve body upper end, in valve body lower portion formed with connecting with water inlet pipe water stream channel, installation cavity with lower openings, in demarcation strip and elastic parts are respectively equipped with installation cavity from top to bottom, demarcation strip is connected with valve body, feedback valve rod is fixed with spool lower part, the other end of feedback valve rod is connected with elastic parts, end cap is installed with the lower openings of installation cavity, elastic parts is abutted with the inner face of end cap to be connected.This self-operated flow control valve, demarcation strip can isolate the water stream channel of water inlet pipe with elastic parts, so as to avoid impact force of current etc. from influencing elastic parts elastic force, avoid current unstable, and elastic parts can use irony material and have extended service life, reduce cost.
Description
Technical field
Control valve technical field is the utility model is related to, more particularly to a kind of self-operated flow control valve.
Background technology
Self-operated flow control valve is applied in closed-loop water system more, it is not necessary to which external force drives, easy to use.It is logical
Crossing the pressure difference change of medium in positive pressure chamber and negative pressure cavity makes diaphragm band ovable valve stem driving spool produce displacement to adjust flow.But
Existing self-operated flow control valve, elastic parts are arranged in water stream channel, water flow can be caused by the impact of current not
Surely, also, elastic parts must use stainless steel, to avoid irony material long period of soaking rust corrosion in water is used
Problem, cost are higher.
Utility model content
In view of this, the utility model is directed to a kind of self-operated flow control valve, to avoid elastic parts because of current
The problem of impacting and causing current unstable.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of self-operated flow control valve, including the valve body with accommodating chamber, and it is formed at the two opposite of the valve body
Side and the water inlet pipe and outlet pipe connected respectively with the accommodating chamber, in being equipped with core assembly in the accommodating chamber, in the valve
Body upper end is equipped with film head assembly, and the core assembly includes being fixedly arranged in the accommodating chamber and side perisporium is equipped with throughbore
Sleeve and slip are arranged on the spool in the sleeve, and the film head assembly includes upper shell and both ends with pressure through hole
The lower housing shell being connected respectively with the upper shell and the valve body, is equipped with film between the upper shell and the lower housing shell
Piece, in being equipped with passage in the lower housing shell, is connected with the diaphragm and the spool respectively in being equipped with both ends in the passage
Driving stem, the pressure balance through hole for connecting the passage and the water inlet pipe water stream channel is equipped with the spool top,
In the valve body lower portion formed with installation cavity connected with the water inlet pipe water stream channel, that there are lower openings, in the peace
Demarcation strip and elastic parts are respectively equipped with from top to bottom in behaveing affectedly, and the demarcation strip is connected with the valve body, relative to the drive
Ovable valve stem, feedback valve rod is fixed with the spool opposite side, and the other end of the feedback valve rod is connected with the elastic parts,
End cap is installed with the lower openings of the installation cavity, the elastic parts is abutted with the inner face of the end cap to be connected.
Further, the demarcation strip is spirally connected and is connected between the two with the valve body.
Further, the upper surface of the demarcation strip is the arc with the water inlet pipe water stream channel inner wall rounding off.
Further, the elastic parts includes the overhead gage and lower baffle plate of spring and the both ends of the spring that is placed in, described
Overhead gage is connected with the feedback valve rod lower end, and the lower baffle plate is abutted with the inner face of the end cap to be connected.
Further, on the outer circumferential surface of the water inlet pipe and the outlet pipe formed with external screw thread.
Relative to the prior art, the utility model has the advantage that：
Self-operated flow control valve described in the utility model, by setting installation cavity, and sets in installation cavity and separates
Plate and elastic parts, demarcation strip can isolate the water stream channel of water inlet pipe with elastic parts, so that avoid the impact force of current etc.
Elastic parts elastic force is influenced, avoids current unstable, and elastic parts also may be used because not contacted directly with current using irony material
Rust corrosion is avoided, effectively extends its own service life, and then extends the service life of this self-operated flow control valve, is reduced
Cost.
Brief description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type is used to explain the utility model, does not form the improper restriction to the utility model.
In attached drawing：
Fig. 1 is the structure diagram of the self-operated flow control valve described in the utility model embodiment；
Description of reference numerals：
1- valve bodies, 101- accommodating chambers, 102- water inlet pipes, 103- outlet pipes, 104- installation cavitys, 201- sleeves, 2011- current
Through hole, 202- spools, 2021- pressure balance through holes, 301- upper shells, 3011- pressure through holes, 302- lower housing shells, 3021- lead to
Road, 303- diaphragms, 4- driving stems, 5- feedback valve rods, 601- springs, 602- overhead gages, 603- lower baffle plates, 7- end caps, 8- are close
Packing, 9- demarcation strips.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The present embodiment is related to a kind of self-operated flow control valve, as shown in Figure 1, including the valve body 1 with accommodating chamber 101,
And the two opposite sides of valve body 1 and the water inlet pipe 102 and outlet pipe 103 that are connected respectively with accommodating chamber 101 are formed at, in receiving
Core assembly is equipped with chamber 101, film head assembly is equipped with 1 upper end of valve body.
Core assembly is included being fixedly arranged in accommodating chamber 101 and side perisporium is equipped with the sleeve 201 of throughbore 2011 and slides
The dynamic spool 202 in sleeve 201.Wherein：The upper end of sleeve 201 is abutted with following 302 lower ends of lower housing shell to be connected, sleeve
201 lower end is abutted with the inner wall of valve body 1 to be connected, and the lower end of sleeve 201 is by the water stream channel and outlet pipe of water inlet pipe 102
103 water stream channel separates, and the lower part perisporium of ring sleeve 201 is uniformly distributed formed with 4 to 6 throughbores 2011.Spool 202 is
Cylindrical shape, its lower end have opening, and the upper end is equipped with least one force pressure balance through hole 2021, to connect following lead to
102 water stream channel of road 3021 and water inlet pipe, ensures that 202 upper and lower ends pressure of spool is equal.
Film head assembly include with pressure through hole 3011 upper shell 301 and both ends respectively with upper shell 301 and valve body 1
The lower housing shell 302 being connected, is equipped with diaphragm 303 between upper shell 301 and lower housing shell 302, upper shell 301, diaphragm 303 and under
302 three of housing is bolted, and the lower end of lower housing shell 302 is spirally connected with the upper end of valve body 1 to be connected.Upper shell 301 and diaphragm
It is positive pressure chamber that the space being configured to is enclosed between 303, and pressure through hole 3011 is connected for positive pressure chamber with positive pressure medium；Lower housing shell
It is negative pressure cavity that the space being configured to is enclosed between 302 and diaphragm 303.In being equipped with passage 3021 in lower housing shell 302, in passage 3021
It is equipped with the driving stem 4 that both ends are connected with diaphragm 303 and spool 202 respectively.
In addition, in 1 lower part of valve body formed with installation cavity connected with 102 water stream channel of water inlet pipe, that there are lower openings
104, in being respectively equipped with demarcation strip 9 and elastic parts in installation cavity 104 from top to bottom, demarcation strip 9 is connected with valve body 1, specifically,
Demarcation strip 9 is spirally connected between the two with valve body 1 to be connected, and also can be clamped or weld certainly.The upper surface of demarcation strip 9 is and water inlet pipe
The arc of 102 water stream channel inner wall rounding ofves, current can be avoided to form flow-disturbing, ensures water flow stationary.
Relative to driving stem 4, feedback valve rod 5 is fixed with 202 opposite side of spool, feeds back the other end and bullet of valve rod 5
Property component connection, end cap 7 is installed with the lower openings of installation cavity 104, elastic parts abuts phase with the inner face of end cap 7
Even.Specifically, end cap 7 is bolted in the opening of installation cavity 104, and gasket 8 is equipped between end cap 7 and valve body 1, to play sealing
Effect；Elastic parts includes spring 601 and the overhead gage 602 and lower baffle plate 603 at 601 both ends of spring that are placed in, overhead gage 602
It is connected with 5 lower end of feedback valve rod, lower baffle plate 603 is abutted with the inner face of end cap 7 to be connected.
In addition, on the outer circumferential surface of water inlet pipe 102 and outlet pipe 103 formed with external screw thread, in order to which external member connects.
The self-operated flow control valve of the present embodiment, by setting installation cavity 104, and sets in installation cavity 104 and separates
Plate and elastic parts, demarcation strip can isolate the water stream channel of water inlet pipe 102 with elastic parts, so as to avoid the impact force of current
Deng influencing elastic parts elastic force, avoid current unstable, and elastic parts is with current because not contacting directly, using irony material
Rust corrosion can be avoided, effectively extends its own service life, and then extends the service life of this self-operated flow control valve, is dropped
Low cost.
The operation principle of the utility model is as follows：The positive pressure chamber and negative pressure cavity pressure difference of diaphragm 303 change and make, and drive valve
Bar 4 drives the movement of spool 202 to change the area of passage of throughbore 2011, changes the water for flowing through water inlet pipe 102 and outlet pipe 103
Flow, at the same time, feeds back 5 elasticity of compression component of valve rod, valve rod 4 to be driven give driving force that spool 202 moves downward with
When the upward Spring balanced of spool 202 is given in the feedback transmission of valve rod 5, spool 202 keeps balancing up and down, and water flow reaches given
Value.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model
Protection domain within.
Claims (5)
- A kind of 1. self-operated flow control valve, it is characterised in that：Including the valve body with accommodating chamber, and it is formed at the valve body Two opposite sides and the water inlet pipe and outlet pipe that are connected respectively with the accommodating chamber, in being equipped with core assembly in the accommodating chamber, Film head assembly is equipped with the valve body upper end, the core assembly includes being fixedly arranged in the accommodating chamber and side perisporium is equipped with water The sleeve of recirculation hole and slip are arranged on the spool in the sleeve, and the film head assembly includes the upper shell with pressure through hole And the lower housing shell that both ends are connected with the upper shell and the valve body respectively, between the upper shell and the lower housing shell Equipped with diaphragm, in being equipped with passage in the lower housing shell, in be equipped with the passage both ends respectively with the diaphragm and the valve The driving stem of core connection, the pressure balance for connecting the passage and the water inlet pipe water stream channel is equipped with the spool top Through hole, in the valve body lower portion formed with installation cavity connected with the water inlet pipe water stream channel, that there are lower openings, in institute State and be respectively equipped with demarcation strip and elastic parts in installation cavity from top to bottom, the demarcation strip is connected with the valve body, relative to institute Driving stem is stated, feedback valve rod, the other end and the elastic parts of the feedback valve rod are fixed with the spool opposite side Connection, is installed with end cap, the elastic parts abuts phase with the inner face of the end cap at the lower openings of the installation cavity Even.
- 2. self-operated flow control valve according to claim 1, it is characterised in that：Both the demarcation strip and the valve body Between be spirally connected it is connected.
- 3. self-operated flow control valve according to claim 2, it is characterised in that：The upper surface of the demarcation strip for institute State the arc of water inlet pipe water stream channel inner wall rounding off.
- 4. self-operated flow control valve according to claim 1, it is characterised in that：The elastic parts include spring and Be placed in the overhead gage and lower baffle plate of both ends of the spring, and the overhead gage is connected with the feedback valve rod lower end, the lower baffle plate with The inner face of the end cap, which abuts, to be connected.
- 5. according to the self-operated flow control valve any one of claim 1-4, it is characterised in that：In the water inlet pipe and Formed with external screw thread on the outer circumferential surface of the outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721325260.1U CN207364369U (en) | 2017-10-16 | 2017-10-16 | Self-operated flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721325260.1U CN207364369U (en) | 2017-10-16 | 2017-10-16 | Self-operated flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364369U true CN207364369U (en) | 2018-05-15 |
Family
ID=62348259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721325260.1U Expired - Fee Related CN207364369U (en) | 2017-10-16 | 2017-10-16 | Self-operated flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364369U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027273A (en) * | 2018-10-23 | 2018-12-18 | 广州达意隆包装机械股份有限公司 | A kind of flow-limiting valve and filling apparatus |
| 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 |
-
2017
- 2017-10-16 CN CN201721325260.1U patent/CN207364369U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109027273A (en) * | 2018-10-23 | 2018-12-18 | 广州达意隆包装机械股份有限公司 | A kind of flow-limiting valve and filling apparatus |
| 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 |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |