CN105485390B - Self-operated flow control valve is changed to the process of valve for pressure difference - Google Patents
Self-operated flow control valve is changed to the process of valve for pressure difference Download PDFInfo
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- CN105485390B CN105485390B CN201510898545.3A CN201510898545A CN105485390B CN 105485390 B CN105485390 B CN 105485390B CN 201510898545 A CN201510898545 A CN 201510898545A CN 105485390 B CN105485390 B CN 105485390B
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- valve
- self
- flow control
- pressure difference
- operated flow
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The present invention provides the processes that a kind of self-operated flow control valve is changed to valve for pressure difference, using self-operated flow control valve as cast blank finished product, redesign machining process route figure, increase the processing technology of valve for pressure difference water inlet, the inlet opening opposite with self-operated flow control valve water inlet direction is obtained, completes to be transformed the process for becoming pressure difference valve body by Self-operated flow valve body with this.Present invention saves design costs early period of valve for pressure difference, and the design and manufacturing process of jig have been saved in technique process, economic benefit is made to improve, and cost declines.
Description
Technical field
The invention belongs to valve technology fields, and the work of valve for pressure difference is changed to more particularly, to a kind of self-operated flow control valve
Process.
Background technology
In the prior art, it in the case of no specially design DN20, DN25, DN32 equal-pressure-difference valve body, needs to carry out
The early period of pressure difference valve body and kit is designed, and is carrying out technological forming later, all works before needing entire valve to dispatch from the factory
Make.
If current DN20, DN25, DN32 self-operated flow control valve only produced in batches, without valve for pressure difference,
To obtain the valve for pressure difference of batch, it is specially design DN20, DN25, DN32 equal-pressure-difference valve body in the case of, need into
The early period of row pressure difference valve body and kit is designed, and is carrying out technological forming later, all before needing entire valve to dispatch from the factory
Work.This just may require that a kind of self-operated flow control valve of offer is changed to the process of valve for pressure difference, be criticized come what is carried out
The valve for pressure difference of amount also saves design cost early period of valve for pressure difference.The design of jig has been saved in technique process
And manufacturing process.Economic benefit is set to improve, cost declines.
Invention content
In view of this, the present invention is directed to propose a kind of self-operated flow control valve is changed to the process of valve for pressure difference, with
The valve body of two kinds of different structures, i.e. self-operated flow control valve valve body and pressure difference valve body are processed using casting valve body blank.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
Self-operated flow control valve is changed to the process of valve for pressure difference, includes the following steps：
Step 1. changes self-operated flow control valve valve body using self-operated flow control valve valve body as cast blank finished product
The latus rectum size foundation of self-operated flow control valve valve body is needed the latus rectum size of the valve for pressure difference changed to change by processing technology
Become；
Step 2. carries out trepanning again using tooling to the water outlet position of self-operated flow control valve valve body, makes self-operated type
The inner cavity of flow control valve body is communicated with intake antrum, forms valve for pressure difference valve inleting water structure；；Self-operated flow control valve valve
The closing structure of body is changed to the spring attachment positions of valve for pressure difference；
The pressure difference valve body that step 3. makes into according to oneself, designs matched part.
Further, the self-operated flow control valve valve body is DN20 or DN25 or DN32 self-operated flow control valve valves
Body.
Further, the kit includes spring shield, spring base, spool.
Compared with the existing technology, the present invention has the advantage that：
In the case of no specially design pressure difference valve body, pass through the self-operated flow control valve to having produced in batches
Technical transformation is carried out, to without redesigning pressure difference valve body and casting process, the valve body of a flow valve be made to pass through technology
Transformation becomes pressure difference valve body；Design cost early period for having saved valve for pressure difference, jig has been saved in technique process
Design and manufacturing process, so that economic benefit is improved, cost decline.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the valve body structure schematic diagram of self-operated flow control valve described in the embodiment of the present invention；
Fig. 2 is the valve body structure schematic diagram of the valve for pressure difference after changing described in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the valve for pressure difference after changing described in the embodiment of the present invention.
Reference sign：
1- upper covers, 2- springs, 3- spring shields, 4- diaphragms, 5- valve bodies, 6- spools, 7- spring bases.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Self-operated flow control valve is changed to the process of valve for pressure difference, includes the following steps：
Step 1. changes DN20 or DN25 or DN32 self-operated types using self-operated flow control valve valve body as cast blank finished product
The processing technology of flow control valve body, shown in Fig. 1, by installation stuffing-box one end of self-operated flow control valve valve body
Spool bore one D1 dimension enlargements, be worked into D3 sizes as shown in Figure 2；
Step 2. is using tooling according to the apertures D2 shown in Fig. 2 to the water outlet position of self-operated flow control valve valve body
Trepanning again is carried out, the inner cavity of self-operated flow control valve valve body is made to be communicated with intake antrum, forms valve for pressure difference valve inleting water structure；
The closing structure of self-operated flow control valve valve body is changed to the spring attachment positions of valve for pressure difference；
The pressure difference valve body that step 3. makes into according to oneself, design upper cover 1, spring shield 3, spring base 7, spool 6 etc. mating zero
Part, as shown in Figure 3；Diaphragm 4, spring 2 and other standard components with self-operated flow control valve assembly can be general.
Valve for pressure difference is also just different from the design of self-operated flow control valve different part in structure.Direction intake not
Together, the direction that spring shield 3 is installed is different, and 6 installation direction of spool is opposite.
DN20, DN25, DN32 self-operated flow control valve can be mutual with the valve for pressure difference part of identical latus rectum after transformation
Mutually borrow.Wherein diaphragm, spring, automatic valve core segment and other standard components can borrow mutually.
Its quality can be ensured by tooling by being changed to pressure difference valve body from self-operated flow control valve.In process
The valve body of valve for pressure difference function is made it have by changing processing technology.It is small logical that this transformation is mainly used in DN20, DN25, DN32 etc.
On diameter valve.It is simple in structure, it is easy to implement.
The method that the present invention processes the valve body of two kinds of different structures using casting valve body blank, i.e. Self-operated flow control
Valve body and pressure difference valve body.For producing pressure differential valve, pressure difference valve body casting process is omitted by cast blank transformation,
Also save design cost early period of pressure difference valve body.The design of jig has been saved in technique process and has been manufactured
Journey.Economic benefit is set to improve, cost declines.
The embodiment of the present invention is transformed in structure for self-operated flow control valve body DN20, DN25, DN32
Become pressure difference valve body, because DN20DN25DN32 self-operated flow control valve valve bodies are cast iron HT200 materials, is easy to pass through machine
Tool processing changes internal structure, but not limited to the examples range.
As other self-operated flow control valves, the valve for pressure difference of change is applied to be followed in the industry closing using water as medium
Ring cooling system and closing heating system.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (3)
1. self-operated flow control valve is changed to the process of valve for pressure difference, it is characterised in that include the following steps：
Step 1. changes the processing of self-operated flow control valve valve body using self-operated flow control valve valve body as cast blank finished product
The latus rectum size foundation of self-operated flow control valve valve body is needed the latus rectum size of the valve for pressure difference changed to be changed by technique；
Step 2. carries out trepanning again using tooling to the water outlet position of self-operated flow control valve valve body, makes Self-operated flow
The inner cavity of control valve body is communicated with intake antrum, forms valve for pressure difference valve inleting water structure；Self-operated flow control valve valve body
Closing structure is changed to the spring attachment positions of valve for pressure difference；
The pressure difference valve body that step 3. makes into according to oneself, designs matched part.
2. self-operated flow control valve according to claim 1 is changed to the process of valve for pressure difference, it is characterised in that：Institute
It is DN20 or DN25 or DN32 self-operated flow control valve valve bodies to state self-operated flow control valve valve body.
3. self-operated flow control valve according to claim 1 is changed to the process of valve for pressure difference, it is characterised in that：Institute
It includes spring shield, spring base, spool to state kit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510898545.3A CN105485390B (en) | 2015-12-08 | 2015-12-08 | Self-operated flow control valve is changed to the process of valve for pressure difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510898545.3A CN105485390B (en) | 2015-12-08 | 2015-12-08 | Self-operated flow control valve is changed to the process of valve for pressure difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485390A CN105485390A (en) | 2016-04-13 |
| CN105485390B true CN105485390B (en) | 2018-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510898545.3A Active CN105485390B (en) | 2015-12-08 | 2015-12-08 | Self-operated flow control valve is changed to the process of valve for pressure difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485390B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003056443A (en) * | 2001-08-20 | 2003-02-26 | Kimitsu Kiko Kk | Self-operated power generation device |
| CN202733099U (en) * | 2012-06-27 | 2013-02-13 | 正丰阀门集团有限公司 | Self-operated flow control valve capable of automatically regulating pressure difference |
| CN202972072U (en) * | 2012-11-01 | 2013-06-05 | 卓旦春 | Self-operated differential pressure control valve |
| CN204083407U (en) * | 2014-09-04 | 2015-01-07 | 王建波 | Self-operated flow control valve |
-
2015
- 2015-12-08 CN CN201510898545.3A patent/CN105485390B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003056443A (en) * | 2001-08-20 | 2003-02-26 | Kimitsu Kiko Kk | Self-operated power generation device |
| CN202733099U (en) * | 2012-06-27 | 2013-02-13 | 正丰阀门集团有限公司 | Self-operated flow control valve capable of automatically regulating pressure difference |
| CN202972072U (en) * | 2012-11-01 | 2013-06-05 | 卓旦春 | Self-operated differential pressure control valve |
| CN204083407U (en) * | 2014-09-04 | 2015-01-07 | 王建波 | Self-operated flow control valve |
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| Publication number | Publication date |
|---|---|
| CN105485390A (en) | 2016-04-13 |
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Address after: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Applicant after: Tianjin Zhiyuan machinery manufacturing Limited by Share Ltd Address before: 301712 Tianjin City Economic Zone of ancient town Wuqing District No. 5 Gu Xing Lu King Applicant before: Tianjin Zhi Yuan Industry and Trade Co., Ltd. |
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