CN104534118A - Rotary drum shut-off valve and method for machining cylindrical valve element and sealing bases of rotary drum shut-off valve - Google Patents
Rotary drum shut-off valve and method for machining cylindrical valve element and sealing bases of rotary drum shut-off valve Download PDFInfo
- Publication number
- CN104534118A CN104534118A CN201510016495.1A CN201510016495A CN104534118A CN 104534118 A CN104534118 A CN 104534118A CN 201510016495 A CN201510016495 A CN 201510016495A CN 104534118 A CN104534118 A CN 104534118A
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- China
- Prior art keywords
- valve
- cylindrical shape
- shape spool
- sealing
- cut
- 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.)
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0492—Easy mounting or dismounting means
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/18—Special arrangements for separating the sealing faces or for pressing them together for plugs with cylindrical surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a rotary drum shut-off valve and a method for machining a cylindrical valve element and sealing bases of the rotary drum shut-off valve and relates to the technical field of pipeline valves. The rotary drum shut-off valve comprises a valve body, a driving device, the cylindrical valve element and the two sealing bases, a valve body cavity is arranged in the valve body, the two sides of the valve body cavity are communicated with left connecting pipes and right connecting pipes respectively, a mounting hole is formed in the top end of the valve body, the cylindrical valve element is inserted into the valve body cavity through the mounting hole, and a flow channel hole is formed in the cylindrical valve element in the direction perpendicular to the axis of the cylindrical valve element in a penetrating mode; the driving device is connected with the top end of the cylindrical valve element through an upper valve rod and drives the cylindrical valve element to rotate around the axial direction of the cylindrical valve element; the two sealing bases are each of a saddle-shaped round ring structure and are arranged between one side of the cylindrical valve element and the left connecting pipes and between the other side of the cylindrical valve element and the right connecting pipes. The rotary drum shut-off valve is easy to machine, no special equipment is needed, materials are directly purchased on the market, and production cost is reduced; the sealing areas of the valve bases are increased, production efficiency is improved, the sealing effect is improved, and the service life of the valve can be prolonged.
Description
Technical field
The present invention relates to pipeline valve technical field, is specifically a kind of processing method of revolving a cut-off valve and cylindrical shape spool thereof, sealing seat.
Background technique
Along with the develop rapidly of information technology and industrial intelligent improve constantly, valve is as the end effector controlling fluid motion in pipeline, just progressively change the narrow limitation of ego function and be imbued with brand-new theory, and inner valve enterprise of state is just along energy-saving and environmental protection, the new demand new direction development such as intelligence, volume are little, lightweight, the life-span is long.
Traditional valve comprises ball valve and stopcock, and ball valve exists following shortcoming:
1, because spool is sphere structure, because this increasing difficulty of processing, must process with special device, improve cost of production, reducing work efficiency.
2, owing to adopting seal ring sealing, if therefore spool and sealing seat sealing surface with face seal will moment of torsion very large, can only linear sealing, the little sealability that causes of linear sealing surface of contact is poor, causes ball valve to occur interior leakage, more outstanding during low-pressure state.
3, the moment of torsion of ball valve is comparatively large, therefore easily causes valve rod to be out of shape or twists off and the acceleration of sealing seat fatigue.
And the shortcoming of stopcock is as follows:
1, because spool is cone structure, therefore after spool moves up and down, easily cause between spool and sealing seat and produce gap damage, reduce sealing effect.
2, owing to adopting spool crush seal seat to realize sealing, therefore sealing effect is poor.
Summary of the invention
For the defect existed in prior art, the object of the present invention is to provide a kind of processing method of revolving a cut-off valve and cylindrical shape spool thereof, sealing seat, the present invention is easy to processing, and without the need to special device, material is commercially directly bought, and reduces cost of production; Seal form is face sealing, adds valve base sealing area, improves manufacturing efficiency and sealing effect, can extend valve and reduce cost of production working life.
For reaching above object, the technological scheme that the present invention takes is: one revolves a cut-off valve, comprises valve body, drive unit, cylindrical shape spool and sealing seat; Be provided with valve cavity in described valve body, the both sides of valve cavity are communicated with left adapter, right adapter respectively; The top of valve body is provided with mounting hole; Described cylindrical shape spool is inserted in valve cavity by mounting hole, and cylindrical shape spool runs through in the direction with its axis perpendicular and is provided with runner hole; Described drive unit is connected by the top of upper valve rod with cylindrical shape spool, drives cylindrical shape spool around its axial rotation; Described sealing seat is provided with two, is shape of a saddle circle structure, is separately positioned between cylindrical shape spool both sides and left adapter, right adapter.
On the basis of technique scheme, one end that described sealing seat contacts with cylindrical shape spool is for seal curved surface, and its external frame is the shape of a saddle caved inward, and fits tightly with cylindrical shape spool side surface; The annulus through hole of two sealing seats is communicated with left adapter, right adapter respectively.
On the basis of technique scheme, described mounting hole is identical with valve cavity axis, and its diameter is greater than the diameter of cylindrical shape spool.
On the basis of technique scheme, described mounting hole top is provided with valve gap, and valve gap is provided with the through hole passed for upper valve rod, and is filled with filler between through hole and upper valve rod.
On the basis of technique scheme, the bottom of described valve gap is provided with layer of metal pad.
On the basis of technique scheme, also comprise lower valve rod, described cylindrical shape spool is by the bottom surface pivot joint of lower valve rod and valve body.
On the basis of technique scheme, described drive unit is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
On the basis of technique scheme, described cylindrical shape spool, sealing seat all adopt stainless steel to make.
The present invention also provides a kind of above-mentioned cylindrical shape spool processing method of revolving a cut-off valve, comprises the following steps: step S101. obtains the workpiece parameter of cylindrical shape spool; Step S102. is blocked according to the length of setting on material tube, obtains cylindrical shell blank; Step S103. removes burr, the burr of cylindrical shell blank surface by polishing, and finish turning processing obtains cylindrical shape spool.
The present invention also provides a kind of based on above-mentioned sealing seat processing method of revolving a cut-off valve, comprises the following steps: step S201. obtains the workpiece parameter of sealing seat; Step S202. is blocked according to the length of setting on mother tube, obtains hollow valve seat blank; Step S203. carries out common machining according to the sealing curved surface of setting sealing seat to valve seat blank, cuts and forms sealing surface; Step S204. removes burr, the burr of valve seat blank surface by polishing, obtains sealing seat.
Beneficial effect of the present invention is:
1, in the present invention, adopt cylindrical shape spool, be easy to processing compared to ball valve core, reduce cost of production.
2, in the present invention, sealing seat is shape of a saddle circle structure, and can match with cylindrical shape spool formation sealing surface, adds sealing area; In addition, when cylindrical shape spool moves up and down, sealing seat still can keep sealing state with cylindrical shape spool, improves sealing effect.
3, in the present invention, the moment of torsion of cylindrical shape spool is less, therefore avoid valve rod twist off and sealing seat fatigue problem produce.
4, in the present invention, owing to adopting cylindrical shape spool and be provided with mounting hole, after cylindrical shape spool or sealing seat wearing and tearing, can quick-replaceable, improve manufacturing efficiency.
Accompanying drawing explanation
Fig. 1 is the partial sectional view revolving a cut-off valve in the embodiment of the present invention;
Fig. 2 is the sectional view of cylindrical shape spool in Fig. 1;
Fig. 3 is the left view of cylindrical shape spool in Fig. 1;
Fig. 4 is the structural representation of left side sealing seat in Fig. 1;
Fig. 5 be in Fig. 4 A-A ' to sectional view;
Fig. 6 is the flow process chart of cylindrical shape spool in the embodiment of the present invention;
Fig. 7 is the flow process chart of sealing seat in the embodiment of the present invention.
Reference character:
1-valve body; The left adapter of 11-; The right adapter of 12-; 13-mounting hole;
2-cylindrical shape spool; 21-runner hole;
3-sealing seat; 31-seals curved surface; 32-annulus through hole;
4-upper valve rod; 5-lower valve rod; 6-drive unit; 7-valve gap; 8-filler; 9-metal gasket.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Shown in Figure 1, one revolves a cut-off valve, comprises valve body 1, drive unit 6, cylindrical shape spool 2 and sealing seat 3; Wherein, described cylindrical shape spool 2, sealing seat 3 all adopt stainless steel or other material to make; Described drive unit 6 is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.Be provided with valve cavity in described valve body 1, the both sides of valve cavity are communicated with left adapter 11, right adapter 12 respectively; The top of valve body 1 is provided with mounting hole 13; Described mounting hole 13 top is provided with valve gap 7, and valve gap 7 is provided with the through hole passed for upper valve rod 4, and is filled with filler 8 between through hole and upper valve rod 4.Preferably, the bottom of described valve gap 7 is provided with layer of metal pad 9, for sealed valve cap 7 and valve body 1.Described drive unit 6 is connected with the top of cylindrical shape spool 2 by upper valve rod 4, drives cylindrical shape spool 2 around its axial rotation; Preferably, be also provided with lower valve rod 5, described cylindrical shape spool 2 is by the bottom surface pivot joint of lower valve rod 5 with valve body 1.
See shown in Fig. 2 to 4, described cylindrical shape spool 2 is inserted in valve cavity by mounting hole 13, and cylindrical shape spool 2 runs through in the direction with its axis perpendicular and is provided with runner hole 21.
Shown in Figure 5, described sealing seat 3 is provided with two, is shape of a saddle circle structure, is separately positioned between cylindrical shape spool 2 both sides and left adapter 11, right adapter 12.Described mounting hole 13 is identical with valve cavity axis, and its diameter is greater than the diameter of cylindrical shape spool 2.Wherein, one end that described sealing seat 3 contacts with cylindrical shape spool 2 is for seal curved surface 31, and its external frame is the shape of a saddle caved inward, and fits tightly with cylindrical shape spool 2 side surface; The annulus through hole 32 of two sealing seats 3 is communicated with left adapter 11, right adapter 12 respectively.Cylindrical shape spool 2, mounting hole 13 for O-ring tubular spool 2, and are separated with left adapter 11, right adapter 12 by described sealing seat 3 respectively.
Shown in Figure 6, based on above-mentioned cylindrical shape spool processing method of revolving a cut-off valve, comprise the following steps:
Step S101. obtains the workpiece parameter of cylindrical shape spool 2.
Step S102. is blocked according to the length of setting on material tube, obtains cylindrical shell blank.
Step S103. removes burr, the burr of cylindrical shell blank surface by polishing, and finish turning processing obtains cylindrical shape spool 2.
Shown in Figure 7, based on above-mentioned sealing seat processing method of revolving a cut-off valve, comprise the following steps:
Step S201. obtains the workpiece parameter of sealing seat 3.
Step S202. is blocked according to the length of setting on mother tube, obtains hollow valve seat blank.
Step S203. carries out common machining according to sealing curved surface 31 pairs of valve seat blanks of setting sealing seat 3, cuts and forms sealing surface.
Step S204. removes burr, the burr of valve seat blank surface by polishing, obtains sealing seat 3.
The present invention is not limited to above-mentioned mode of execution, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as within protection scope of the present invention.The content be not described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (10)
1. revolve a cut-off valve, it is characterized in that: comprise valve body (1), drive unit (6), cylindrical shape spool (2) and sealing seat (3);
Described valve body is provided with valve cavity in (1), and the both sides of valve cavity are communicated with left adapter (11), right adapter (12) respectively; The top of valve body (1) is provided with mounting hole (13);
Described cylindrical shape spool (2) is inserted in valve cavity by mounting hole (13), and cylindrical shape spool (2) runs through in the direction with its axis perpendicular and is provided with runner hole (21);
Described drive unit (6) is connected by the top of upper valve rod (4) with cylindrical shape spool (2), drives cylindrical shape spool (2) around its axial rotation;
Described sealing seat (3) is provided with two, is shape of a saddle circle structure, is separately positioned between cylindrical shape spool (2) both sides and left adapter (11), right adapter (12).
2. revolve a cut-off valve as claimed in claim 1, it is characterized in that: one end that described sealing seat (3) contacts with cylindrical shape spool (2) is for seal curved surface (31), its external frame is the shape of a saddle caved inward, and fits tightly with cylindrical shape spool (2) side surface; The annulus through hole (32) of two sealing seats (3) is communicated with left adapter (11), right adapter (12) respectively.
3. revolve a cut-off valve as claimed in claim 1, it is characterized in that: described mounting hole (13) is identical with valve cavity axis, and its diameter is greater than the diameter of cylindrical shape spool (2).
4. revolve a cut-off valve as claimed in claim 1, it is characterized in that: described mounting hole (13) top is provided with valve gap (7), valve gap (7) is provided with the through hole passed for upper valve rod (4), and is filled with filler (8) between through hole and upper valve rod (4).
5. revolve a cut-off valve as claimed in claim 4, it is characterized in that: the bottom of described valve gap (7) is provided with layer of metal pad (9).
6. revolve a cut-off valve as claimed in claim 1, it is characterized in that: also comprise lower valve rod (5), described cylindrical shape spool (2) is by the bottom surface pivot joint of lower valve rod (5) with valve body (1).
7. revolve a cut-off valve as claimed in claim 1, it is characterized in that: described drive unit (6) is pneumatic actuator, electric actuator, hydraulic executer or manual turbine.
8. revolve a cut-off valve as claimed in claim 1, it is characterized in that: described cylindrical shape spool (2), sealing seat (3) all adopt stainless steel to make.
9., based on the cylindrical shape spool processing method of revolving a cut-off valve described in claim 1, it is characterized in that, comprise the following steps:
Step S101. obtains the workpiece parameter of cylindrical shape spool (2);
Step S102. is blocked according to the length of setting on material tube, obtains cylindrical shell blank;
Step S103. removes burr, the burr of cylindrical shell blank surface by polishing, and finish turning processing obtains cylindrical shape spool (2).
10., based on the sealing seat processing method of revolving a cut-off valve described in claim 1, it is characterized in that, comprise the following steps:
Step S201. obtains the workpiece parameter of sealing seat (3);
Step S202. is blocked according to the length of setting on mother tube, obtains hollow valve seat blank;
Step S203. carries out common machining according to the sealing curved surface (31) of setting sealing seat (3) to valve seat blank, cuts and forms sealing surface;
Step S204. removes burr, the burr of valve seat blank surface by polishing, obtains sealing seat (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016495.1A CN104534118A (en) | 2015-01-13 | 2015-01-13 | Rotary drum shut-off valve and method for machining cylindrical valve element and sealing bases of rotary drum shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016495.1A CN104534118A (en) | 2015-01-13 | 2015-01-13 | Rotary drum shut-off valve and method for machining cylindrical valve element and sealing bases of rotary drum shut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104534118A true CN104534118A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510016495.1A Pending CN104534118A (en) | 2015-01-13 | 2015-01-13 | Rotary drum shut-off valve and method for machining cylindrical valve element and sealing bases of rotary drum shut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104534118A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075638B (en) * | 1980-04-23 | 1983-11-09 | Argus Verwaltungs Gmbh | Rotary valve |
| CN2851752Y (en) * | 2005-10-31 | 2006-12-27 | 王兆林 | Sleeve type water controlling valve |
| CN101672378A (en) * | 2009-09-01 | 2010-03-17 | 广东联塑科技实业有限公司 | Downloading type plunger valve |
| CN201627964U (en) * | 2009-09-01 | 2010-11-10 | 广东联塑科技实业有限公司 | Plunger sealing ring structure of plunger valve |
| CN102313039A (en) * | 2010-06-29 | 2012-01-11 | 王姝 | Pressure direction-selecting seal ball valve or butterfly valve or plug valve |
| CN103603965A (en) * | 2013-12-04 | 2014-02-26 | 天津富赛克流体控制设备有限公司 | Up-mounted C-shaped ball valve |
| CN204420167U (en) * | 2015-01-13 | 2015-06-24 | 武汉汉德阀门仪表有限公司 | Revolve a cut-off valve |
-
2015
- 2015-01-13 CN CN201510016495.1A patent/CN104534118A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075638B (en) * | 1980-04-23 | 1983-11-09 | Argus Verwaltungs Gmbh | Rotary valve |
| CN2851752Y (en) * | 2005-10-31 | 2006-12-27 | 王兆林 | Sleeve type water controlling valve |
| CN101672378A (en) * | 2009-09-01 | 2010-03-17 | 广东联塑科技实业有限公司 | Downloading type plunger valve |
| CN201627964U (en) * | 2009-09-01 | 2010-11-10 | 广东联塑科技实业有限公司 | Plunger sealing ring structure of plunger valve |
| CN102313039A (en) * | 2010-06-29 | 2012-01-11 | 王姝 | Pressure direction-selecting seal ball valve or butterfly valve or plug valve |
| CN103603965A (en) * | 2013-12-04 | 2014-02-26 | 天津富赛克流体控制设备有限公司 | Up-mounted C-shaped ball valve |
| CN204420167U (en) * | 2015-01-13 | 2015-06-24 | 武汉汉德阀门仪表有限公司 | Revolve a cut-off valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |