CN106763874A - A kind of skew ball valve certainly - Google Patents
A kind of skew ball valve certainly Download PDFInfo
- Publication number
- CN106763874A CN106763874A CN201611234670.5A CN201611234670A CN106763874A CN 106763874 A CN106763874 A CN 106763874A CN 201611234670 A CN201611234670 A CN 201611234670A CN 106763874 A CN106763874 A CN 106763874A
- Authority
- CN
- China
- Prior art keywords
- spheroid
- downstream
- fixator
- valve
- ball 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.)
- 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
- 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
- F16K5/06—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 spherical surfaces; Packings therefor
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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
- F16K5/06—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 spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
-
- 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
- F16K5/06—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 spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- 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
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a kind of from skew ball valve, including valve body, valve seat, valve rod, spheroid, upstream anchor, downstream fixator and pivot, spheroid is located at the inside of ball valve, upstream anchor and downstream fixator are annular, and upstream anchor and downstream fixator clamp spheroid from the upstream and downstream of fluid passage respectively；It is a kind of metal hard-sealing ball valve of single-side sealing that the surface of downstream fixator is provided with a circle for the replating of metal sealing；The surface of spheroid is provided with one section of projection of wedge shape, when spheroid is rotated to cut-off state, upstream anchor is contacted with wedge-shaped protrusion and utilizes wedge-shaped protrusion to extrude spheroid, spheroid downstream fixator direction skew, replating on the fixator of downstream thus tightly rides over the surface of spheroid, the metal sealing between downstream fixator and spheroid is realized, the metal sealing does not rely on the pressure of fluid in upstream line, greatly improve the ability that ball valve ends fluid.
Description
Technical field
The present invention relates to valve field, more particularly to a kind of skew ball valve certainly.
Background technology
Ball valve is a kind of common valve of the flow direction for cutting off, distributing and changing medium for making in pipeline.Ball valve
Operation principle be around valve body center line to make clockwise and anticlockwise 90 ° rotations by sealed spheroid to realize turning on and cut
It is disconnected.Valve rod drives spheroid to turn clockwise 90 °, and when spheroid hole is parallel with pipeline, ball valve is opened；Conversely, then ball valve is closed.
Fixator is typically provided between spheroid and valve body, two fixators of annular clamp spheroid from upstream and downstream respectively,
Spring is provided between fixator and valve body, seal is provided between fixator and spheroid.When ball valve is in cut-off state,
Be compressed tightly against spheroid on the fixator in downstream by spring and the Fluid pressure from upstream line, so as to realize that fluid is blocked.
Seal between fixator and spheroid typically uses rubber seal or metal seal.Ball valve using metal sealing is multiplex
In the particle with uniform temperature, dust and slurry.Because metal sealing is hard sealing, relied on using the ball valve of metal sealing
In the Fluid pressure of upstream line, if the Fluid pressure of upstream line diminishes, the metal sealing effect in ball valve will significantly
Reduce.
The content of the invention
The technical problem to be solved in the present invention is that the sealing effectiveness of ball valve in the prior art using metal sealing is depended on
The Fluid pressure of upstream line, if the Fluid pressure of upstream line diminishes, ball valve will decline to the ability of blocking of pipeline.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of skew ball valve certainly, including valve body, valve
Seat, valve rod, spheroid, upstream anchor, downstream fixator and pivot；Valve body, valve seat and valve body are sequentially connected, valve body and valve seat
The fluid passage passed through for fluid is internally provided with, the middle part of fluid passage has the spherical hollow space for accommodating spheroid.
A perforation passed through for fluid is provided with the middle part of spheroid, spheroid is rotatably mounted to the spherical of fluid passage
In cavity, when the direction of perforation is consistent with the direction of fluid passage, ball valve conducting；When the direction and the side of fluid passage of perforation
To it is vertical when, ball valve cut-off；A profiled holes are provided with the top of spheroid, the bottom of spheroid is provided with a circular hole；Valve rod
One end is plugged in the profiled holes of spheroid, and the other end of valve rod passes valve seat and is connected with handle, user's operating handle rotary valve
Bar and spheroid control ball valve.One end of pivot is plugged in the circular hole of spheroid, and the other end of pivot is plugged on seat bottom portion
In square hole, pivot is concentric with valve rod.
Upstream anchor and downstream fixator are annular, upstream anchor be installed on upstream valve body and spheroid it
Between, downstream fixator is installed between the valve body in downstream and spheroid；The diameter that upstream anchor and downstream are fixed is respectively less than spheroid
Diameter, upstream anchor and downstream fixator clamping spheroid；The surface of downstream fixator is provided with a circle for metal sealing
Replating；The top of spheroid is provided with one section of wedge-shaped protrusion, when spheroid is rotated to cut-off state, upstream anchor and wedge
Shape projection contacts simultaneously extrude spheroid, spheroid downstream fixator direction skew using wedge-shaped protrusion.
Further, the surface of the downstream fixator is provided with a circle groove, and spring, spring supporting are provided with groove
Between downstream fixator and the valve body in downstream.
Further, the profiled holes are cross, and the cross termination of valve rod is plugged in profiled holes, the cross of valve rod
There is gap, gap is filled by elastomeric material between shape termination and profiled holes；The square end of pivot is plugged in the square hole of valve seat,
There is gap, gap is filled by elastomeric material between the square end of pivot and the square hole of valve seat.
Further, the surface of the upstream anchor is provided with a circle elastic rubber sealing ring.
Further, the replating is cobalt chromium tungsten hard alloy overlay welding.
Beneficial effect：(1) present invention is provided with one section of projection of wedge shape from skew ball valve on the surface of spheroid, when spheroid rotation
When going to cut-off state, upstream anchor is contacted with wedge-shaped protrusion and utilizes wedge-shaped protrusion to extrude spheroid, and spheroid is downstream fixed
Device direction offsets, replating on the fixator of downstream thus tightly ride over the surface of spheroid, realize downstream fixator with
Metal sealing between spheroid, the metal sealing does not rely on the pressure of fluid in upstream line, greatly improves ball valve and cuts
The ability of fluid stopping body.(2) present invention is provided with spring between the downstream fixator and the valve body in downstream of skew ball valve, contributes to
Just sealing is set up between spheroid and downstream fixator.(3) between the present invention is provided between the valve rod and profiled holes of skew ball valve certainly
Gap, is provided with gap between the square end of pivot and the square hole of valve seat, gap is filled by elastomeric material, the gap be used for reduce because
The pressure that spheroid offsets and produced to valve rod and pivot.(4) present invention is provided with from the surface of the upstream anchor of skew ball valve
One circle elastic rubber sealing ring, for keeping the sealing between upstream line and valve body middle chamber.
Brief description of the drawings
Fig. 1 is the present invention from skew ball-valve structure schematic diagram.
Fig. 2 is front view of the present invention from the spheroid of skew ball valve.
Fig. 3 is the A-A sectional views of Fig. 2.
Fig. 4 is the top view of Fig. 2.
Fig. 5 is the A enlarged drawings of Fig. 1.
Fig. 6 is the B enlarged drawings of Fig. 1.
Wherein：1st, valve body；2nd, valve seat；3rd, valve rod；4th, spheroid；41st, perforate；42nd, wedge-shaped protrusion；5th, downstream fixator；51、
Replating；6th, upstream anchor；61st, rubber seal；7th, pivot；8th, elastomeric material.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figures 1 to 6, the present embodiment is a kind of metal hard-sealing ball valve of single-side sealing from skew ball valve, is wrapped
Include valve body 1, valve seat 2, valve rod 3, spheroid 4, upstream anchor 5, downstream fixator 6 and pivot 7；Valve body 1, valve seat 2 and valve body 1 according to
Secondary connection, valve body 1 and valve seat 2 are internally provided with the fluid passage passed through for fluid, and the middle part of fluid passage has for holding
Receive the spherical hollow space of spheroid 4.
The middle part of spheroid 4 is provided with a perforation 41 passed through for fluid, and spheroid 4 is rotatably mounted to fluid passage
In spherical hollow space, when the direction of perforation 41 is consistent with the direction of fluid passage, ball valve conducting；Direction and fluid when perforation 41
When the direction of passage is vertical, ball valve cut-off；The top of spheroid 4 is provided with a profiled holes, and the bottom of spheroid 4 is provided with a circle
Hole；One end of valve rod 3 is plugged in the profiled holes of spheroid 4, and the other end of valve rod 3 passes valve seat 2 and is connected with handle, Yong Hucao
Make handle rotary valve rod 3 and spheroid 4 to control ball valve, profiled holes are cross, and the cross termination of valve rod 3 is plugged on profiled holes
It is interior, there is gap between the cross termination of valve rod 3 and profiled holes, gap is filled by elastomeric material 8；
One end of pivot 7 is circle, and one end is square.The round nose of pivot 7 is plugged in the circular hole of spheroid 4, pivot 7 with
Plastic bearing is provided between spheroid 4, the blunt end of pivot 7 is concentric with valve rod 3；The square end of pivot 7 is plugged on the bottom of valve seat 2
Square hole in, between the square end of pivot 7 and the square hole of valve seat 2 have gap, gap is filled by elastomeric material 8.
Upstream anchor 5 and downstream fixator 6 are annular, and upstream anchor 5 is installed on the valve body 1 and spheroid of upstream
Between 4, downstream fixator 6 is installed between the valve body 1 in downstream and spheroid 4；The diameter that upstream anchor 5 and downstream are fixed is small
Between spheroid 4, upstream anchor 5 and downstream fixator 6 clamp spheroid 4.
As shown in figure 5, the surface relative with valve body 1 of downstream fixator 6 is provided with a circle groove, bullet is installed in groove
Spring, spring supporting is between the valve body 1 in downstream fixator 6 and downstream；The surface relative with spheroid 4 of downstream fixator 6 is provided with
One encloses the replating 61 for metal sealing, specially cobalt chromium tungsten hard alloy overlay welding；
As shown in fig. 6, the surface relative with valve body 1 of upstream anchor 5 is provided with a circle groove, bullet is installed in groove
Spring, between the valve body 1 of upstream anchor 5 and upstream, the surface relative with spheroid 4 of upstream anchor 5 is provided with spring supporting
One circle elastic rubber sealing ring 51；When ball valve is in the conduction state, elastic rubber sealing ring 51 is contacted with spheroid 4, it is to avoid pipe
The lumen that fluid media (medium) in road is collectively forming into spheroid 4, valve body 1 and valve seat 2.
As shown in Fig. 3, Fig. 4 and Fig. 6, the surface of spheroid 4 is provided with wedge-shaped protrusion 42, from from the point of view of vertical view, the wedge shape
Raised 42 is curved, and its central angle is 90 ° or so.The upper and lower surface of spheroid 4 respectively has a wedge-shaped protrusion 42, the institute of wedge-shaped protrusion 42
The position height at place should be respectively with the top edge of upstream anchor 5 and lower edge position height it is consistent；When ball valve is on shape
During state, wedge-shaped protrusion 42 and upstream anchor 5 are respectively at the different directions of spheroid 4, the rubber seal 51 of upstream anchor 5
Directly contacted with the surface of spheroid 4；When spheroid 4 is rotated to cut-off state, wedge-shaped protrusion 42 is rotated to where upstream anchor 5
Direction, upstream anchor 5 is directly contacted with wedge-shaped protrusion 42, is downstream fixed in the squeezing action lower sphere 4 of upstream anchor 5
The direction of device 6 is offset, and this enforceable skew is somebody's turn to do equivalent to being applied with a pretightning force between downstream fixator 6 and spheroid 4
It is effective that pretightning force can keep that the metal sealing between downstream fixator 6 and spheroid 4 can be permanent, and without relying on upstream tube
Fluid pressure in road.
Although being illustrated to embodiments of the present invention in specification, these implementation methods are intended only as prompting,
Should not limit protection scope of the present invention.It is equal that various omission, substitution, and alteration are carried out without departing from the spirit and scope of the present invention
Should be comprising within the scope of the present invention.
Claims (5)
1. a kind of from skew ball valve, it is characterised in that：Including valve body, valve seat, valve rod, spheroid, upstream anchor, downstream fixator
And pivot；
Valve body, valve seat and valve body are sequentially connected, and valve body and valve seat are internally provided with the fluid passage passed through for fluid, and fluid leads to
The middle part in road has the spherical hollow space for accommodating spheroid；
A perforation passed through for fluid is provided with the middle part of spheroid, spheroid is rotatably mounted to the spherical hollow space of fluid passage
It is interior, when the direction of perforation is consistent with the direction of fluid passage, ball valve conducting；When the direction of perforation is hung down with the direction of fluid passage
When straight, ball valve cut-off；A profiled holes are provided with the top of spheroid, the bottom of spheroid is provided with a circular hole；One end of valve rod
It is plugged in the profiled holes of spheroid, the other end of valve rod passes valve seat；One end of pivot is plugged in the circular hole of spheroid, pivot
The other end is plugged in the square hole of seat bottom portion；
Upstream anchor and downstream fixator are annular, and upstream anchor is installed between the valve body of upstream and spheroid, under
Trip fixator is installed between the valve body in downstream and spheroid；The diameter that upstream anchor and downstream are fixed is respectively less than the straight of spheroid
Footpath, upstream anchor and downstream fixator clamping spheroid；The surface of downstream fixator is provided with a circle for the gold of metal sealing
Category built-up welding；The top of spheroid is provided with one section of wedge-shaped protrusion, and when spheroid is rotated to cut-off state, upstream anchor is convex with wedge shape
Rise and contact and extrude spheroid, spheroid downstream fixator direction skew using wedge-shaped protrusion.
2. according to claim 1 from skew ball valve, it is characterised in that：The surface of the downstream fixator is provided with a circle
Groove, is provided with spring in groove, spring supporting is between downstream fixator and the valve body in downstream.
3. according to claim 2 from skew ball valve, it is characterised in that：The profiled holes are cross, the cross of valve rod
Shape termination is plugged in profiled holes, has gap between the cross termination of valve rod and profiled holes, and gap is filled by elastomeric material；
The square end of pivot is plugged in the square hole of valve seat, has gap between the square end of pivot and the square hole of valve seat, and gap is by bullet
Property material filling.
4. according to claim 3 from skew ball valve, it is characterised in that：The surface of the upstream anchor is provided with a circle
Elastic rubber sealing ring.
5. according to claim 4 from skew ball valve, it is characterised in that：The replating is cobalt chromium tungsten carbide reactor
Weldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234670.5A CN106763874A (en) | 2016-12-28 | 2016-12-28 | A kind of skew ball valve certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611234670.5A CN106763874A (en) | 2016-12-28 | 2016-12-28 | A kind of skew ball valve certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763874A true CN106763874A (en) | 2017-05-31 |
Family
ID=58923914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611234670.5A Pending CN106763874A (en) | 2016-12-28 | 2016-12-28 | A kind of skew ball valve certainly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763874A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110785593A (en) * | 2017-06-20 | 2020-02-11 | 艾默生过程管理(印度)私人有限公司 | Non-pressure reducing ball valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201982707U (en) * | 2010-12-03 | 2011-09-21 | 浙江正华阀门厂 | Unfurled metal-sealed ball valve |
| US20140306140A1 (en) * | 2013-04-16 | 2014-10-16 | David A. Buck | Valve With Stop Mechanism |
| US20150090917A1 (en) * | 2013-04-16 | 2015-04-02 | David A. Buck | Valve With Stop Mechanism |
| CN104864113A (en) * | 2015-04-18 | 2015-08-26 | 张新丰 | Rigidity-seal ball valve with guide rail |
| CN206347141U (en) * | 2016-12-28 | 2017-07-21 | 江苏特思克阀门制造有限公司 | A kind of skew ball valve certainly |
-
2016
- 2016-12-28 CN CN201611234670.5A patent/CN106763874A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201982707U (en) * | 2010-12-03 | 2011-09-21 | 浙江正华阀门厂 | Unfurled metal-sealed ball valve |
| US20140306140A1 (en) * | 2013-04-16 | 2014-10-16 | David A. Buck | Valve With Stop Mechanism |
| US20150090917A1 (en) * | 2013-04-16 | 2015-04-02 | David A. Buck | Valve With Stop Mechanism |
| CN104864113A (en) * | 2015-04-18 | 2015-08-26 | 张新丰 | Rigidity-seal ball valve with guide rail |
| CN206347141U (en) * | 2016-12-28 | 2017-07-21 | 江苏特思克阀门制造有限公司 | A kind of skew ball valve certainly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110785593A (en) * | 2017-06-20 | 2020-02-11 | 艾默生过程管理(印度)私人有限公司 | Non-pressure reducing ball valve |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |