CN104653794A - Low-resistance valve rod of valve plate - Google Patents
Low-resistance valve rod of valve plate Download PDFInfo
- Publication number
- CN104653794A CN104653794A CN201310575851.4A CN201310575851A CN104653794A CN 104653794 A CN104653794 A CN 104653794A CN 201310575851 A CN201310575851 A CN 201310575851A CN 104653794 A CN104653794 A CN 104653794A
- Authority
- CN
- China
- Prior art keywords
- valve rod
- valve
- resistance
- low
- valve plate
- 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.)
- Pending
Links
Classifications
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The invention discloses a low-resistance valve rod of a valve plate. The low-resistance valve rod comprises a valve rod body (1) and is characterized in that a plurality of edges (2) are arranged on a contact face of the valve rod, and the shape of the surface of each edge (2) is formed by two intersecting arcs. According to the valve rod with such structure, cylindrical face sealing of the contact face of the valve rod is replaced with cylindrical linear sealing of the contact face of the valve rod, and friction force is reduced; and the opening resistance of the valve rod is small, and the valve rod can be easily opened and closed.
Description
Technical field
The present invention relates to a kind of valve rod, particularly relate to a kind of lower resistance valve rod of valve plate.
Background technique
The valve stem part cylndrical surface sealing of general valve plate, during switch, resistance is large.Operationally very inconvenient.
Summary of the invention
The object of the invention is to solve valve plate in use, move valve rod, switch resistance is large, and work is inconvenient.
The technical solution used in the present invention is: replace cylndrical surface to seal with cylindrical wire sealing, reduce friction.
As a further improvement on the present invention, described rib quantity is 2 ~ 4.
Improve further again as of the present invention, described arc be respectively central angle is 90 °, radius is 1mm arc and central angle be 90 °, radius is the arc of 2mm.
The beneficial effect that the present invention adopts is: the valve rod of this structure, and the sealing of surface of contact cylindrical wire replaces cylndrical surface to seal, and reduces friction.Make valve rod open resistance little, switch is light.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is the sectional view of Fig. 1 A-A.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Shown in figure: 1 valve stem body, 2 ribs.
Embodiment
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, the present invention is described further.
As shown in the figure, a kind of lower resistance valve rod of valve plate, comprises valve stem body 1, and the surface of contact of valve rod is provided with some ribs 2, and the surface configuration of rib 2 is two crossing arcs.
In order to better strengthen the sealing of valve rod and valve, the quantity of the rib in valve stem contacts face is 4.Surface of contact is provided with 2 ribs and can makes under the prerequisite ensureing sealing, and resistance is minimum.
In order to take into account sealing and lower resistance, form the surface configuration of rib be respectively central angle is 90 °, radius is 1mm arc 3 and central angle be 90 °, radius is that the arc 4 of 2mm intersects and forms.
The valve rod of this structure, the surface of contact cylindrical wire sealing of valve rod replaces cylndrical surface to seal, and reduces friction.Make valve rod open resistance little, switch is light.
Claims (3)
1. a lower resistance valve rod for valve plate, comprises valve stem body (1), it is characterized in that the surface of contact of described valve rod is provided with some ribs (2), and the surface configuration of described rib (2) is two crossing arcs.
2. the lower resistance valve rod of a kind of valve plate according to claim 1, is characterized in that described rib quantity is 2 ~ 4.
3. the lower resistance valve rod of a kind of valve plate according to claim 1, it is characterized in that described arc be respectively central angle is 90 °, radius is 1mm arc (3) and central angle be 90 °, radius is the arc (4) of 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575851.4A CN104653794A (en) | 2013-11-18 | 2013-11-18 | Low-resistance valve rod of valve plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575851.4A CN104653794A (en) | 2013-11-18 | 2013-11-18 | Low-resistance valve rod of valve plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104653794A true CN104653794A (en) | 2015-05-27 |
Family
ID=53245257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310575851.4A Pending CN104653794A (en) | 2013-11-18 | 2013-11-18 | Low-resistance valve rod of valve plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104653794A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351624A (en) * | 2015-12-03 | 2016-02-24 | 杨晔辰 | Low-resistance sealing valve rod |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057256U (en) * | 1989-10-30 | 1990-05-16 | 李景海 | Driven valve elevating stem means |
| JP2002295693A (en) * | 2001-03-28 | 2002-10-09 | Fujikura Rubber Ltd | Control valve, and manufacturing method of valve element for the control valve |
| CN2592976Y (en) * | 2002-12-06 | 2003-12-17 | 施俊 | Taper angle type plunger stop valve |
| CN2816515Y (en) * | 2005-08-18 | 2006-09-13 | 姜堰市通达船用阀泵有限公司 | Butterfly valve |
| CN201934692U (en) * | 2011-01-25 | 2011-08-17 | 天津市麦克斯自控阀门有限公司 | Valve plate of no-pin through shaft butterfly valve |
-
2013
- 2013-11-18 CN CN201310575851.4A patent/CN104653794A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2057256U (en) * | 1989-10-30 | 1990-05-16 | 李景海 | Driven valve elevating stem means |
| JP2002295693A (en) * | 2001-03-28 | 2002-10-09 | Fujikura Rubber Ltd | Control valve, and manufacturing method of valve element for the control valve |
| CN2592976Y (en) * | 2002-12-06 | 2003-12-17 | 施俊 | Taper angle type plunger stop valve |
| CN2816515Y (en) * | 2005-08-18 | 2006-09-13 | 姜堰市通达船用阀泵有限公司 | Butterfly valve |
| CN201934692U (en) * | 2011-01-25 | 2011-08-17 | 天津市麦克斯自控阀门有限公司 | Valve plate of no-pin through shaft butterfly valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105351624A (en) * | 2015-12-03 | 2016-02-24 | 杨晔辰 | Low-resistance sealing valve rod |
| CN105351624B (en) * | 2015-12-03 | 2018-06-08 | 杨晔辰 | A kind of low-resistance sealed valve stem |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150527 |