CN203926811U - Modulating valve - Google Patents
Modulating valve Download PDFInfo
- Publication number
- CN203926811U CN203926811U CN201420313291.5U CN201420313291U CN203926811U CN 203926811 U CN203926811 U CN 203926811U CN 201420313291 U CN201420313291 U CN 201420313291U CN 203926811 U CN203926811 U CN 203926811U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- restriction
- lid
- supporting post
- valve
- 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
Links
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a kind of modulating valve, comprise valve body, valve rod and spool.Valve body is provided with import and outlet, and valve inner is provided with inlet passage and body cavity, and inlet passage is connected with import, and body cavity is connected with outlet.Spool is in body cavity, and body cavity and inlet passage joint have a restriction, and restriction bottom is provided with seal ring No. one.Described valve body bottom is provided with a cylinder open, and cylinder open outer wall is provided with screw thread, also includes a filtrating equipment, and filtrating equipment comprises lid, many supporting posts and filter screen.Lid matches with cylinder open.Many supporting post height are all equal, and many supporting posts are vertical at lid inside and prolong the inner even circumferential of lid and arrange.At the bottom of filter screen, the position corresponding with supporting post is provided with a plurality of mounting grooves that match with supporting post, and filter screen and supporting post are in clamping connection by mounting groove, and filter screen is close to restriction bottom.The utility model can filter iron rust, welding slag, guarantees that valve body is unobstructed.
Description
Technical field
The utility model relates to a kind of modulating valve.
Background technique
Modulating valve, in industrial automation process control field, by accepting the control signal of regulation unit output, removes to change the final control unit of the process parameters such as rate-of flow, pressure, temperature, liquid level by power operation.Generally by actuator and valve, formed.
The problem that modulating valve often occurs is blocking, often appears at the system that newly puts into operation and overhaul initial operation stage, because welding slag, iron rust etc. in pipeline result in blockage and make medium circulation not smooth at restriction.
Model utility content
The purpose of this utility model is to solve the deficiencies in the prior art part, and a kind of iron rust, welding slag of filtering is provided, and prevents the modulating valve that restriction stops up.
The purpose of this utility model solves by following technical proposal:
A modulating valve, comprises valve body, valve rod and spool, it is characterized in that: described valve body one end is provided with import, the other end is provided with outlet, and valve inner is provided with inlet passage and body cavity, and described inlet passage is connected with import, and body cavity is connected with outlet; Described spool is in body cavity; Described body cavity and inlet passage joint have a restriction, and described restriction is in spool below, and described restriction bottom is provided with seal ring No. one;
Described valve body bottom is provided with a cylinder open, and described cylinder open outer wall is provided with screw thread; Also include a filtrating equipment, described filtrating equipment comprises lid, many supporting posts and filter screen; Described lid matches with cylinder open; Described many supporting post height are all equal, and many supporting posts are vertical at lid inside and prolong the inner even circumferential of lid and arrange; At the bottom of described filter screen, the position corresponding with supporting post is provided with a plurality of mounting grooves that match with supporting post, and described filter screen and supporting post are in clamping connection by mounting groove, and described filter screen is close to restriction bottom.
Filter screen described in the utility model is greater than restriction diameter at diameter.
Lid inner bottom part described in the utility model is provided with seal ring No. two.
The quantity of supporting post described in the utility model is more than 3 and 3.
Compared to the prior art the utlity model has following characteristics and beneficial effect:
1, filter screen is after the liquid filtering of the inlet passage of flowing through, then passes into restriction, and filter screen filters out iron filings, welding slag etc., avoids welding slag, iron rust etc. to result in blockage at restriction.
2, filtrating equipment and valve body, for removably connecting, can regularly take out filtrating equipment, and the impurity in filtrating equipment and inlet pipeline is removed, and guarantee the smoothness of flow of fluid in valve body.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model filter apparatus configuration schematic diagram.
Fig. 3 is the utility model filtrating equipment decomposition texture schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
As shown in Figure 1, a kind of modulating valve, comprises valve body 1, valve rod 2 and spool 3.Described valve body 1 one end is provided with import 4, the other end is provided with outlet 5, and valve body 1 inside is provided with inlet passage 6 and body cavity 7, and described inlet passage 6 is connected with import 4, and body cavity 7 is connected with outlet 5.Described spool 2 is in body cavity 7; Described body cavity 7 has a restriction 8 with inlet passage 6 joints, and described restriction 8 is in spool 3 belows, and described restriction 8 bottoms are provided with seal ring 9 No. one.
Valve body described in the utility model 1 bottom is provided with a cylinder open 10, and described cylinder open 10 outer walls are provided with screw thread.Also include a filtrating equipment 11, described filtrating equipment 11 comprises lid 12, many supporting posts 13 and filter screen 14.
Described lid 12 matches with cylinder open 10.Described lid 12 inner bottom parts are provided with seal ring 16 No. two.No. two seal ring 16 has increased the sealing between lid 12 and cylinder open 10, guarantees that valve body 1 is when work, and the liquid of flowing through can not leak from lid 12.When valve body is after 1 work a period of time, filtrating equipment can be taken out, the impurity in filtrating equipment and inlet pipeline 6 is removed, guarantee the smoothness of valve body 1 interior flow of fluid.
Described many supporting posts 13 are highly all equal, and many supporting posts 13 are vertical at lid 12 inside and prolong the inner even circumferential of lid 12 and arrange.14 ends of described filter screen,, the position corresponding with supporting post 13 was provided with a plurality of mounting grooves 15 that match with supporting post 13, and described filter screen 14 is in clamping connection by mounting groove 15 with supporting post 13.Because filter screen 14 and supporting post 13 are for being in clamping connection, after long-term use, can change filter screen 14, avoid stopping up because of filter screen 14 work that affects modulating valve.
Described filter screen 14 described in the utility model is close to restriction 8 bottoms.Filter screen 14 is greater than restriction 8 diameters at diameter.Filter screen 14 can block restriction 8 completely, a seal ring that restriction 8 bottoms are provided with 9 and filter screen 14 collocation, the impurity such as iron rust not can between its gap by and enter in restriction 8.Filter screen 14 has stoped the impurity such as iron rust, welding slag in restriction 8 foulings, obstruction well.
The quantity of supporting post 13 described in the utility model is more than 3 and 3.Filter screen 14 stably can be fixed on to supporting post 13 tops.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. a modulating valve, comprises valve body, valve rod and spool, it is characterized in that: described valve body one end is provided with import, the other end is provided with outlet, and valve inner is provided with inlet passage and body cavity, and described inlet passage is connected with import, and body cavity is connected with outlet; Described spool is in body cavity; Described body cavity and inlet passage joint have a restriction, and described restriction is in spool below, and described restriction bottom is provided with seal ring No. one;
Described valve body bottom is provided with a cylinder open, and described cylinder open outer wall is provided with screw thread; Also include a filtrating equipment, described filtrating equipment comprises lid, many supporting posts and filter screen; Described lid matches with cylinder open; Described many supporting post height are all equal, and many supporting posts are vertical at lid inside and prolong the inner even circumferential of lid and arrange; At the bottom of described filter screen, the position corresponding with supporting post is provided with a plurality of mounting grooves that match with supporting post, and described filter screen and supporting post are in clamping connection by mounting groove, and described filter screen is close to restriction bottom.
2. modulating valve according to claim 1, is characterized in that: described filter screen is greater than restriction diameter at diameter.
3. modulating valve according to claim 1, is characterized in that: described lid inner bottom part is provided with seal ring No. two.
4. modulating valve according to claim 1, is characterized in that: the quantity of described supporting post is more than 3 and 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313291.5U CN203926811U (en) | 2014-06-13 | 2014-06-13 | Modulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420313291.5U CN203926811U (en) | 2014-06-13 | 2014-06-13 | Modulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926811U true CN203926811U (en) | 2014-11-05 |
Family
ID=51822622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420313291.5U Expired - Fee Related CN203926811U (en) | 2014-06-13 | 2014-06-13 | Modulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529606A (en) * | 2018-05-25 | 2019-12-03 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
-
2014
- 2014-06-13 CN CN201420313291.5U patent/CN203926811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110529606A (en) * | 2018-05-25 | 2019-12-03 | 浙江三花智能控制股份有限公司 | Electric expansion valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203926811U (en) | Modulating valve | |
| CN204319912U (en) | Straight-through type filter | |
| CN203948849U (en) | A kind of Novel water separator | |
| CN103463854A (en) | Full-automatic brush pipeline filter | |
| CN103307352A (en) | Filter valve | |
| CN107376479A (en) | A kind of replacing filter with pressure | |
| CN205315923U (en) | Tee joint | |
| CN207253887U (en) | A kind of replacement filter with pressure | |
| CN205639683U (en) | Conveniently change sealed ball valve of filter screen | |
| CN203348615U (en) | Ball valve with filtering function | |
| CN214466141U (en) | Heat supply balance valve with built-in filter screen | |
| CN204996216U (en) | But automatic back flush filter equipment of programming control | |
| CN203750253U (en) | Semiautomatic backwash filter device | |
| CN203335879U (en) | Filtering stop valve convenient to connect | |
| TWI554322B (en) | Multi-segment combination filter | |
| CN203750249U (en) | Semi-automatic reverse washing filter | |
| CN209173605U (en) | A kind of pneumatic filter of New-type instant cleaning and replacement filter core | |
| CN203379698U (en) | Pipeline filter | |
| CN204628678U (en) | A kind of all steel throttle valve | |
| CN207598998U (en) | A kind of novel ball valve that may filter that | |
| CN207097609U (en) | A kind of installation for transformer of filterability | |
| CN203549255U (en) | Lead-in type glass tube sight glass | |
| CN203871129U (en) | External transformer oil filtering device | |
| CN205055567U (en) | But candle filter of rapidly transacting raffinate | |
| CN204922059U (en) | Regulating valve |
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: 20141105 Termination date: 20180613 |