CN106838403A - A kind of self-operated type piston the needle valve - Google Patents
A kind of self-operated type piston the needle valve Download PDFInfo
- Publication number
- CN106838403A CN106838403A CN201710132224.1A CN201710132224A CN106838403A CN 106838403 A CN106838403 A CN 106838403A CN 201710132224 A CN201710132224 A CN 201710132224A CN 106838403 A CN106838403 A CN 106838403A
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- Prior art keywords
- valve
- piston
- needle
- self
- hydraulic cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of self-operated type piston the needle valve, including self-operated type piston current-regulating voltage-regulating valve body；The self-operated type piston current-regulating voltage-regulating valve body by connecting pipe, ball valve, downstream pressure table, upstream pressure table, piston type the needle valve, pilot valve, needle-valve, choke valve, strainer valve, telescopic joint, can clutch gearbox, hydraulic cylinder constitute；The present invention is provided with strainer valve and can realize removing bulky grain thing, prevents jam and efficiency reduction that whole system is caused due to pollutant；Promote hydraulic cylinder to adjust pressure difference by piping liquid pressure, it is not necessary to external power or other energy, substantially increase convenience；Piston movement direction is consistent with flow direction, and runner is simple, so that cavitation number is significantly improved, cavitation-preventive effect is significant under High Pressure Difference；And reasonable in design, simple structure of the invention, it is more convenient to operate.
Description
Technical field
The present invention relates to a kind of valve, specifically a kind of self-operated type piston the needle valve.
Background technology
Valve is in fluid system, for controlling the device of the direction of fluid, pressure, flow；The good valve of work is to make to match somebody with somebody
Manage the device for being flowed with the medium (liquid, gas, powder) in equipment or being stopped and its flow can be controlled；Valve is pipeline fluid
Control unit in induction system, valve can be used to controlling empty gas and water, steam, various Korrosionsmediums, mud, oil product, etc. it is various
The flowing of type of fluid；It is for changing path section and media flow direction, with water conservancy diversion, cut-off, throttling, non-return, point
The function such as stream or overflow release；For the valve of fluid control, from simplest stop valve to extremely complex robot control system(RCS)
Various valves used, its kind and specification are various, and the inside nominal diameter of valve is big to latus rectum up to 10m's from atomic small gauge valve
Industrial pipeline valve
Piston type the needle valve is one kind of valve, is aborning indispensable valve because it has various control function
Door.Valve currently on the market, under big differential pressure conditions, the cavitation after valve substantially, is adversely affected to network security；Separately
Outward, flow resistance is excessive, causes the negotiability of pipe network to decline.
The content of the invention
It is an object of the invention to provide a kind of self-operated type piston the needle valve, to solve to be proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：
A kind of self-operated type piston the needle valve, including self-operated type piston current-regulating voltage-regulating valve body；The self-operated type piston adjusts stream
Pressure regulation valve body be by connecting pipe, ball valve, downstream pressure table, upstream pressure table, piston type the needle valve, pilot valve, needle-valve,
Choke valve, strainer valve, telescopic joint, can clutch gearbox, hydraulic cylinder composition；Wherein connecting pipe installs piston type the needle valve
Right-hand member, the connecting pipe other end is connected with drain pipe；The left end of piston type the needle valve is connected with telescopic joint, telescopic joint
The other end is connected with feed tube；The bottom of upstream pressure table passes through Pipe installing in the left side of piston type the needle valve, and
Ball valve is provided with the middle of the connecting pipe in upstream pressure table and left side；The upstream pressure table is connected by pipeline with needle-valve, filtering
Valve is arranged in the middle of upstream pressure table and needle-valve, it is possible to achieve removal bulky grain thing, prevents whole system from causing due to pollutant
Jam and efficiency reduction；Needle-valve is connected with hydraulic cylinder and pilot valve respectively, and ball valve is provided with the pipeline with hydraulic cylinder, pilot valve
The other end and downstream pressure table, downstream pressure table is arranged on connecting pipe, and is provided with ball valve therebetween；The hydraulic cylinder
By can clutch gearbox be connected with piston type the needle valve；The choke valve is arranged on the intermediate conduit of strainer valve and needle-valve
On.
As further scheme of the invention：The telescopic joint two ends are provided with flange, the port of piston type the needle valve
It is provided with and telescopic joint flange specification identical flange；Telescopic joint is connected with piston type the needle valve by flange.
As further scheme of the invention：The telescopic joint is provided with sealing with the junction of piston type the needle valve
Glue part.
As further scheme of the invention：The top of the piston type the needle valve is provided with suspension ring, internal piston
And can be moved along guide rail according to the exit flow guide part that specific operating mode is selected.
As further scheme of the invention：Spring and bolt are provided with inside the pilot valve, by bolt or are used
Controller adjusts the decrement of spring, realizes the setting to downstream pressure.
As further scheme of the invention：Single-acting angle stroke hydraulic cylinder can use Direct Travel hydraulic cylinder and weight
The combination of hammer is replaced.
As further scheme of the invention：The connecting pipe is connected with piston type the needle valve using flange,
And fluid sealant part is installed in junction.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is provided with strainer valve and can realize removing bulky grain
Thing, prevents jam and efficiency reduction that whole system is caused due to pollutant；Hydraulic cylinder is promoted to adjust by piping liquid pressure
Pressure difference, it is not necessary to external power or other energy, substantially increases convenience；Piston movement direction is consistent with flow direction, stream
Road is simple, so that cavitation number is significantly improved, cavitation-preventive effect is significant under High Pressure Difference；And reasonable in design, structure of the invention
Simply, it is more convenient to operate.
Brief description of the drawings
Fig. 1 is a kind of main structure diagram of self-operated type piston the needle valve.
Fig. 2 is a kind of left view structural representation of self-operated type piston the needle valve.
In figure：Connecting pipe 1, ball valve 2, downstream pressure table 3, upstream pressure table 4, piston type the needle valve 5, pilot valve 6,
Needle-valve 7, choke valve 8, strainer valve 9, telescopic joint 10, can clutch gearbox 11, hydraulic cylinder 12.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~2 are referred to, in the embodiment of the present invention, a kind of self-operated type piston the needle valve, including self-operated type piston is adjusted
Stream pressure regulation valve body；The self-operated type piston current-regulating voltage-regulating valve body is by before connecting pipe 1, ball valve 2, downstream pressure table 3, valve
Pressure gauge 4, piston type the needle valve 5, pilot valve 6, needle-valve 7, choke valve 8, strainer valve 9, telescopic joint 10, can clutch gearbox
11st, hydraulic cylinder 12 is constituted；Wherein connecting pipe 1 installs the right-hand member of piston type the needle valve 5, the other end of connecting pipe 1 with go out
Liquid pipe is connected；The left end of piston type the needle valve 5 is connected with telescopic joint 10, and the other end of telescopic joint 10 is connected with feed tube；
The bottom of upstream pressure table 4 passes through Pipe installing in the left side of piston type the needle valve 5, and in upstream pressure table 4 and left side
Connecting pipe 1 in the middle of be provided with ball valve 2；The upstream pressure table 4 is connected by pipeline with needle-valve 7, before strainer valve 9 is arranged on valve
In the middle of pressure gauge 4 and needle-valve 7, it is possible to achieve removal bulky grain thing, the jam and energy for preventing whole system from causing due to pollutant
Effect is reduced；Needle-valve 7 is connected with hydraulic cylinder 12 and pilot valve 6 respectively, with the pipeline of hydraulic cylinder 12 on be provided with ball valve 2, pilot valve 6 it is another
One end and downstream pressure table 3, downstream pressure table 3 is arranged on connecting pipe 1, and is provided with ball valve 2 therebetween；The hydraulic pressure
Cylinder 12 by can clutch gearbox 11 be connected with piston type the needle valve 5, the single-acting angle stroke hydraulic cylinder of hydraulic cylinder 12；It is described
Choke valve 8 is arranged in the intermediate conduit of strainer valve 9 and needle-valve 7.
The two ends of the telescopic joint 10 are provided with flange, and the port of piston type the needle valve 5 is provided with advises with the flange of telescopic joint 10
Lattice identical flange；Telescopic joint 10 is connected with piston type the needle valve 5 by flange.
The telescopic joint 10 is provided with fluid sealant part with the junction of piston type the needle valve 5.
The top of the piston type the needle valve 5 is provided with suspension ring.
Spring and bolt are provided with inside the pilot valve 6, the decrement of spring is adjusted by bolt or using controller, it is real
Now to the setting of downstream pressure.
Single-acting angle stroke hydraulic cylinder can be replaced with the combination of Direct Travel hydraulic cylinder and weight.
The connecting pipe 1 is connected with piston type the needle valve 5 using flange, and is provided with fluid sealant in junction
Part.
Operation principle of the invention is：When upstream pressure is improved, more current enter hydraulic cylinder, and the axle of hydraulic cylinder is defeated
Go out moment of torsion, part moment of torsion is acted on spring, surplus torque promotes piston to be moved to valve direction is closed, until downstream pressure reaches
To the setting value of pilot valve；Maintain downstream pressure stabilization；When upstream pressure declines, cylinder pressure also accordingly declines, in spring
Under power effect, hydraulic cylinder output reactive torque, piston is moved to valve opening position, until downstream pressure reaches the setting value of pilot valve；
Maintain downstream pressure stabilization；Pressure set points, can be completed by adjusting the bolt of pilot valve；Can also be set by additional pressure
Determine device to be automatically performed.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (7)
1. a kind of self-operated type piston the needle valve, including self-operated type piston current-regulating voltage-regulating valve body, it is characterised in that it is described from
Power formula piston current-regulating voltage-regulating valve body is by connecting pipe, ball valve, downstream pressure table, upstream pressure table, piston type current-regulating voltage-regulating
Valve, pilot valve, needle-valve, choke valve, strainer valve, telescopic joint, can clutch gearbox, hydraulic cylinder composition；Wherein connecting pipe is installed and lived
The right-hand member of plug the needle valve, the connecting pipe other end is connected with drain pipe；The left end of piston type the needle valve with it is flexible
Section is connected, and the other end of telescopic joint is connected with feed tube；Stream is adjusted to adjust in piston type by Pipe installing in the bottom of upstream pressure table
The left side of pressure valve, and it is provided with ball valve in the middle of the connecting pipe in upstream pressure table and left side；The upstream pressure table passes through pipeline
It is connected with needle-valve, strainer valve is arranged in the middle of upstream pressure table and needle-valve；Needle-valve is connected with hydraulic cylinder and pilot valve respectively, with liquid
The pipeline of cylinder pressure is provided with ball valve, and the other end and the downstream pressure table of pilot valve, downstream pressure table are arranged on connecting pipe, and
Ball valve is installed in the middle of it；The hydraulic cylinder by can clutch gearbox be connected with piston type the needle valve, hydraulic cylinder nonoculture
Use angle stroke hydraulic cylinder；The choke valve is arranged in the intermediate conduit of strainer valve and needle-valve.
2. a kind of self-operated type piston the needle valve according to claim 1, it is characterised in that the telescopic joint two ends set
The port for having flange, piston type the needle valve is provided with and telescopic joint flange specification identical flange；Telescopic joint is adjusted with piston type
Stream pressure regulator valve is connected by flange.
3. a kind of self-operated type piston the needle valve according to claim 1, it is characterised in that the telescopic joint and piston
The junction of formula the needle valve is provided with fluid sealant part.
4. a kind of self-operated type piston the needle valve according to claim 1, it is characterised in that the piston type adjusts stream to adjust
The top of pressure valve is provided with suspension ring, internal piston and can be moved along guide rail according to the exit flow guide part that specific operating mode is selected.
5. a kind of self-operated type piston the needle valve according to claim 1, it is characterised in that be provided with inside the pilot valve
Spring and bolt, spring are arranged on the top of bolt.
6. a kind of self-operated type piston the needle valve according to claim 1, it is characterised in that single-acting angle stroke
Hydraulic cylinder can be replaced with the combination of Direct Travel hydraulic cylinder and weight.
7. a kind of self-operated type piston the needle valve according to claim 1, it is characterised in that the connecting pipe and work
Plug the needle valve is connected using flange, and is provided with fluid sealant part in junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132224.1A CN106838403B (en) | 2017-03-07 | 2017-03-07 | A kind of self-operated type piston the needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710132224.1A CN106838403B (en) | 2017-03-07 | 2017-03-07 | A kind of self-operated type piston the needle valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106838403A true CN106838403A (en) | 2017-06-13 |
| CN106838403B CN106838403B (en) | 2019-05-07 |
Family
ID=59138256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710132224.1A Active CN106838403B (en) | 2017-03-07 | 2017-03-07 | A kind of self-operated type piston the needle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838403B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826993A (en) * | 2018-05-07 | 2019-05-31 | 德阀机械（上海）有限公司 | A kind of wisdom regulating valve |
| CN111765280A (en) * | 2020-06-29 | 2020-10-13 | 上海凯工阀门股份有限公司 | Self-operated piston type flow-regulating pressure-regulating valve |
| CN114396494A (en) * | 2022-01-23 | 2022-04-26 | 芜湖市金贸流体科技股份有限公司 | Piston type electric flow-regulating pressure-regulating valve and working method thereof |
| CN114427619A (en) * | 2022-02-11 | 2022-05-03 | 泉瓦特斯阀门有限公司 | Self-operated piston type flow-regulating pressure-regulating valve |
| CN114623274A (en) * | 2022-03-29 | 2022-06-14 | 浙江龙禹阀门有限公司 | Self-operated piston flow-regulating pressure-regulating valve convenient to connect |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB200831A (en) * | 1922-07-14 | 1924-05-29 | Chester Waters Larner | Improvements in flow control valves |
| EP1593893A1 (en) * | 2004-05-06 | 2005-11-09 | Tyco Flow Control Kabushiki Kaisha | Emergency valve |
| CN101571203A (en) * | 2009-06-05 | 2009-11-04 | 湖南湘天源阀门制造有限公司 | Multifunctional regulating valve |
| CN203309163U (en) * | 2013-05-13 | 2013-11-27 | 上海冠龙阀门机械有限公司 | Hydraulic manual multiple-spraying-orifice flow and pressure adjusting valve |
| CN103712064A (en) * | 2014-01-15 | 2014-04-09 | 青岛恒邦机电科技有限公司 | Self-operated pressure regulator |
| CN104235467A (en) * | 2013-06-18 | 2014-12-24 | 北京创洋森科科技发展有限公司 | Micro-electric wireless remote valve controller |
| CN104728486A (en) * | 2013-12-23 | 2015-06-24 | 青岛万力科技有限公司 | Self-operated pressure differential filter flow-limiting valve for water pumps |
| CN204592467U (en) * | 2015-05-16 | 2015-08-26 | 湖南泵阀制造有限公司 | Axial flow of relying on oneself piston valve |
-
2017
- 2017-03-07 CN CN201710132224.1A patent/CN106838403B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB200831A (en) * | 1922-07-14 | 1924-05-29 | Chester Waters Larner | Improvements in flow control valves |
| EP1593893A1 (en) * | 2004-05-06 | 2005-11-09 | Tyco Flow Control Kabushiki Kaisha | Emergency valve |
| CN101571203A (en) * | 2009-06-05 | 2009-11-04 | 湖南湘天源阀门制造有限公司 | Multifunctional regulating valve |
| CN203309163U (en) * | 2013-05-13 | 2013-11-27 | 上海冠龙阀门机械有限公司 | Hydraulic manual multiple-spraying-orifice flow and pressure adjusting valve |
| CN104235467A (en) * | 2013-06-18 | 2014-12-24 | 北京创洋森科科技发展有限公司 | Micro-electric wireless remote valve controller |
| CN104728486A (en) * | 2013-12-23 | 2015-06-24 | 青岛万力科技有限公司 | Self-operated pressure differential filter flow-limiting valve for water pumps |
| CN103712064A (en) * | 2014-01-15 | 2014-04-09 | 青岛恒邦机电科技有限公司 | Self-operated pressure regulator |
| CN204592467U (en) * | 2015-05-16 | 2015-08-26 | 湖南泵阀制造有限公司 | Axial flow of relying on oneself piston valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826993A (en) * | 2018-05-07 | 2019-05-31 | 德阀机械（上海）有限公司 | A kind of wisdom regulating valve |
| CN111765280A (en) * | 2020-06-29 | 2020-10-13 | 上海凯工阀门股份有限公司 | Self-operated piston type flow-regulating pressure-regulating valve |
| CN114396494A (en) * | 2022-01-23 | 2022-04-26 | 芜湖市金贸流体科技股份有限公司 | Piston type electric flow-regulating pressure-regulating valve and working method thereof |
| CN114427619A (en) * | 2022-02-11 | 2022-05-03 | 泉瓦特斯阀门有限公司 | Self-operated piston type flow-regulating pressure-regulating valve |
| CN114623274A (en) * | 2022-03-29 | 2022-06-14 | 浙江龙禹阀门有限公司 | Self-operated piston flow-regulating pressure-regulating valve convenient to connect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106838403B (en) | 2019-05-07 |
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| PB01 | Publication | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20190531 Address after: 213300 Room 201, Building 91, Houzhou Town East Road, Bieqiao Town, Liyang City, Changzhou City, Jiangsu Province Patentee after: De Valve Machinery (Jiangsu) Co., Ltd. Address before: Room A-88, Building No. 3539, Dongfang Road, Pudong New Area, Shanghai, 200120 Patentee before: De valve machinery (Shanghai) Co., Ltd. |