CN108799549A - A kind of plunger valve - Google Patents
A kind of plunger valve Download PDFInfo
- Publication number
- CN108799549A CN108799549A CN201810710755.9A CN201810710755A CN108799549A CN 108799549 A CN108799549 A CN 108799549A CN 201810710755 A CN201810710755 A CN 201810710755A CN 108799549 A CN108799549 A CN 108799549A
- Authority
- CN
- China
- Prior art keywords
- valve
- spool
- plunger
- valve port
- port
- 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
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of plunger valves, including valve body and valve rod, the valve body has the first valve port and second valve port perpendicular with the first valve port, the intermediate cavity of two connections the first valve ports and the second valve port is additionally provided on the valve body, it defines while by plane centered on the plane of the first valve port center line and the second valve port center line, two intermediate cavities are symmetrical arranged about central plane and form y-type structure with the first valve port, and a set of control assembly for controlling plunger valve opening and closing is respectively equipped in two intermediate cavities.Wherein a set of control assembly is as spare；After two sets of control assemblies are damaged, just plunger valve is overhauled or replaced.Compared with the prior art, the plunger valve maintenance replacement cycle is extended, special industry can be preferably suitable for.
Description
Technical field
The invention belongs to valve fields, and in particular to a kind of plunger valve.
Background technology
Plunger valve is using parts such as more universal a kind of valves, including valve body, valve deck, valve rod, plunger, handwheel；Work
It is risen or fallen come driving stem by driving devices such as hand-operational apparatus, hydraulic cylinder or pneumatic cylinders when making, valve rod drives column
Plug lifting is played the role of opening and closing valve.Plunger valve includes angular plunger valve and through type plunger valve, angular plunger valve
Identical with through type plunger valve operation principle, angular plunger valve is usually used in being mounted on corner on defeated pipeline.
The Chinese invention patent application that notification number is CN104565387A, the day for announcing is 2015.04.29 discloses a kind of angle
There is a cylindrical body cavity, valve body one end to install end cap for formula plunger valve, including valve body, end cap and valve rod, valve body, separately
One end forms valve outlet, and valve body side offers valve body import, and valve rod and driving device are installed on end cap, under valve rod
End is across end cap and is connected with a plunger, and the upper end of valve rod connects driving device.Plunger valve in use, the closing of valve
Valve outlet will be closed or open with a demand pole plug is opened.
Plunger valve can be damaged due to plunger wear, driving device failure and other reasons after long-term use, be needed repairing, more
It changes；But for some special industries, such as offshore oil production industry, limited by production environment, plunger valve repair is replaced
Difficulty is larger, and repair/replacement cycle of existing plunger valve is still shorter for this special industry.
Invention content
The purpose of the present invention is to provide a kind of plunger valve, shorter asked to solve the existing plunger valve repair replacement cycle
Topic.
To achieve the above object, plunger valve of the invention uses following technical scheme：Plunger valve includes valve body and valve rod, institute
Stating valve body has the first valve port and second valve port perpendicular with the first valve port, and two the first valves of connection are additionally provided on the valve body
The intermediate cavity of mouth and the second valve port defines while by being put down centered on the plane of the first valve port center line and the second valve port center line
Face, two intermediate cavities are symmetrical arranged about central plane and form y-type structure with the first valve port, are respectively equipped in two intermediate cavities a set of
Control assembly for controlling plunger valve opening and closing.
Advantageous effect：Wherein a set of control assembly is as spare；After two sets of control assemblies are damaged, just to plunger valve into
Row maintenance is replaced.Compared with the prior art, the plunger valve maintenance replacement cycle is extended, it is special to be preferably suitable for
Industry.
Further, the control assembly includes spool and valve rod, and spool with first valve port in being connected
Heart channel, the passway of the close valve rod of central passage form the valve port for coordinating with valve rod.
Further, the valve port is conical opening, and one end of the close spool of the valve rod is tapering point, and the center is logical
The cross section in road is gradually reduced from the both ends of central passage to central passage inside.
Further, the taper of close spool one end of the central passage is more than the taper far from spool one end.
Further, the spool is ceramic cartridge.
Further, the plunger valve further includes the end cap for blocking the intermediate cavity, and end cap is T-type structure, T junction
Structure has cylinder for being inserted into the intermediate cavity and the flange for coordinating with valve body block in cylinder ends is arranged,
Cylinder has the centre bore passed through for the valve rod, offered in the bottom sidewall of cylinder for be connected to the centre bore with
The by-pass prot of second valve port.
Further, one end of the close valve rod of the spool has spool outward flange, and the inner wall of intermediate cavity, which is equipped with, to be used
Spool positioning step, the end cap are protruded in the top surface of the spool positioning step of spool outward flange block cooperation, spool outward flange
On the lower face of cylinder be pressed on the top surface of spool outward flange.
Further, the plunger valve further includes two driving devices for driving corresponding valve rod, two driving devices point
It is not removably mounted on corresponding end cap.
Further, plunger valve according to claim 8, it is characterised in that：At least each part on the plunger valve
Outer drain surface be equipped with Xylan coatings.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, common for this field
For technical staff, without having to pay creative labor, other attached drawings are can also be obtained according to these attached drawings；
Fig. 1 is the structural schematic diagram of the specific embodiment of the plunger valve of the present invention.
In figure：1- valve bodies, 2- valve rods, 3- end caps, 4- spools, 5- valve body imports, 6- valve outlets, 7- driving devices, 8-
By-pass prot.
Specific implementation mode
In order to keep the technical purpose, technical solution and advantageous effect of the present invention clearer, below in conjunction with the accompanying drawings and specifically
Embodiment is further illustrated technical scheme of the present invention.
As shown in Figure 1, plunger valve includes valve body 1, valve rod 2, end cap 3, spool 4 and driving device 7, valve body 1 has valve body
Import 5 and valve outlet 6 are additionally provided with the intermediate cavities of two connections valve body imports 5 and valve outlet 6 on valve body 1, define while passing through
Plane centered on the plane of 6 center line of 6 center line of valve outlet and valve body import is crossed, two intermediate cavities are about the central plane
It is symmetrical arranged and the angle of the center line of two intermediate cavities is acute angle.Two intermediate cavities are corresponding with a set of spool 4, valve rod 2, end cap 3
With driving device 7, wherein a set of as spare.
It is T-type structure that intermediate cavity, which has the outward opening installed for end cap 3, end cap 3, and T-type structure has for being inserted into centre
The cylinder of chamber and the flange for coordinating with 1 block of valve body in cylinder ends is set, flange is fixed by connecting bolt
On valve body 1.Cylinder has the centre bore passed through for valve rod 2, is offered on cylinder bottom side wall for being connected to centre bore
With the by-pass prot 8 of valve outlet, valve rod 2 is installed in center hole, and driving device 7 is removably mounted on end cap 3.
Spool 4 in the present embodiment is ceramic cartridge, and one end of the close valve rod 2 of spool 4 has spool outward flange, intermediate
The inner wall of chamber is equipped with the spool positioning step for the cooperation of spool outward flange block, and the top surface of spool outward flange protrudes spool and determines
Position step, the lower face of the cylinder of end cap 3 is pressed on the top surface of spool outward flange.
Spool 4 has the central passage being connected with valve body import 5, and the upper channel mouth formation of central passage is used for and valve rod
The valve port of 2 cooperations；One end of the close spool 4 of valve rod 2 is tapering point, and corresponding valve port is to be adapted with the tapering point of valve rod 2
Conical opening.Further, the cross section of central passage is gradually reduced by central passage inward at both ends, and central passage
The taper of close spool one end of cross section is more than the taper far from spool one end.
To realize plunger valve anti-corrosion in marine environment, the etching problem that adverse circumstances are brought is solved, it is preferred that valve body 1
Outer surface, be provided with Xylan coatings on the outer surface of end cap 3 and/or the outer surface of driving device 7, Xylan coating is existing
Technology.
Wherein a set of valve rod 2 when using, 4 component of spool are as spare, after two sets of components damage, just to plunger valve into
Row maintenance is replaced.Compared with the prior art, the plunger valve maintenance replacement cycle is extended, it is special to be preferably suitable for
Industry.
In other embodiments, spool can not also be set, processed on intermediate cavity wall for coordinating with valve rod
Valve mouth structure.It is arranged to straight hole channel alternatively, it is also possible to the central passage of spool.In addition, the angle of the center line of two intermediate cavities
It can also adjust according to actual needs.
It should be noted last that：Technical scheme of the present invention that the above embodiments are only illustrative and not limiting is any right
The equivalent replacement and do not depart from the modification of spirit and scope of the invention or local replacement that the present invention carries out, should all cover in this hair
Within bright protective scope of the claims.
Claims (9)
1. plunger valve, including valve body and valve rod, the valve body has the first valve port and second valve port perpendicular with the first valve port,
It is characterized in that：It is additionally provided with the intermediate cavities of two connections the first valve ports and the second valve port on the valve body, definition while passing through the
Plane centered on the plane of one valve port center line and the second valve port center line, two intermediate cavities about central plane be symmetrical arranged and with
First valve port forms y-type structure, and a set of control assembly for controlling plunger valve opening and closing is respectively equipped in two intermediate cavities.
2. plunger valve according to claim 1, it is characterised in that：The control assembly includes spool and valve rod, spool tool
There are the central passage being connected with first valve port, the passway of the close valve rod of central passage to be formed for coordinating with valve rod
Valve port.
3. plunger valve according to claim 2, it is characterised in that：The valve port is conical opening, the close valve of the valve rod
One end of core is tapering point, and the cross section of the central passage is gradually subtracted from the both ends of central passage to central passage inside
It is small.
4. plunger valve according to claim 3, it is characterised in that：The taper of close spool one end of the central passage is big
In the taper far from spool one end.
5. according to claim 2 to 4 any one of them plunger valve, it is characterised in that：The spool is ceramic cartridge.
6. according to claim 3 to 5 any one of them plunger valve, it is characterised in that：The plunger valve further includes for blocking
The end cap of the intermediate cavity, end cap are T-type structure, and T-type structure has to exist for being inserted into the cylinder of the intermediate cavity and setting
The flange for coordinating with valve body block of cylinder ends, cylinder have the centre bore passed through for the valve rod, cylinder
Bottom sidewall on offer by-pass prot for being connected to the centre bore and second valve port.
7. plunger valve according to claim 6, it is characterised in that：One end of the close valve rod of the spool has outside spool
Flange, the inner wall of intermediate cavity are equipped with the spool positioning step for the cooperation of spool outward flange block, the top surface of spool outward flange
Spool positioning step is protruded, the lower face of the cylinder on the end cap is pressed on the top surface of spool outward flange.
8. plunger valve according to claim 7, it is characterised in that：The plunger valve further includes two for driving corresponding valve
The driving device of bar, two driving devices are removably mounted on respectively on corresponding end cap.
9. plunger valve according to claim 8, it is characterised in that：On the plunger valve on the outer drain surface of at least each part
Equipped with Xylan coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710755.9A CN108799549A (en) | 2018-07-03 | 2018-07-03 | A kind of plunger valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710755.9A CN108799549A (en) | 2018-07-03 | 2018-07-03 | A kind of plunger valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799549A true CN108799549A (en) | 2018-11-13 |
Family
ID=64073201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810710755.9A Pending CN108799549A (en) | 2018-07-03 | 2018-07-03 | A kind of plunger valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799549A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2014314A (en) * | 1931-07-22 | 1935-09-10 | Phillips Petroleum Co | Adjustable orifice valve |
| CN2586025Y (en) * | 2002-11-25 | 2003-11-12 | 陈邦锐 | Two-position, 3-way valve |
| CN102359658A (en) * | 2011-10-27 | 2012-02-22 | 浙江正球阀门有限公司 | Multifunctional double-drum filter valve |
| CN105276238A (en) * | 2015-11-30 | 2016-01-27 | 盐城市锦瑞石油机械有限公司 | Three-way plug valve |
| CN107725833A (en) * | 2016-08-10 | 2018-02-23 | 北京华石联合能源科技发展有限公司 | A kind of pressure-reducing valve |
-
2018
- 2018-07-03 CN CN201810710755.9A patent/CN108799549A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2014314A (en) * | 1931-07-22 | 1935-09-10 | Phillips Petroleum Co | Adjustable orifice valve |
| CN2586025Y (en) * | 2002-11-25 | 2003-11-12 | 陈邦锐 | Two-position, 3-way valve |
| CN102359658A (en) * | 2011-10-27 | 2012-02-22 | 浙江正球阀门有限公司 | Multifunctional double-drum filter valve |
| CN105276238A (en) * | 2015-11-30 | 2016-01-27 | 盐城市锦瑞石油机械有限公司 | Three-way plug valve |
| CN107725833A (en) * | 2016-08-10 | 2018-02-23 | 北京华石联合能源科技发展有限公司 | A kind of pressure-reducing valve |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181113 |
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| RJ01 | Rejection of invention patent application after publication |