CN103775730A - Positioning and locking device for ball valve - Google Patents
Positioning and locking device for ball valve Download PDFInfo
- Publication number
- CN103775730A CN103775730A CN201410025806.6A CN201410025806A CN103775730A CN 103775730 A CN103775730 A CN 103775730A CN 201410025806 A CN201410025806 A CN 201410025806A CN 103775730 A CN103775730 A CN 103775730A
- Authority
- CN
- China
- Prior art keywords
- locking
- locking hole
- quiet
- ball valve
- hole
- 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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/10—Means to prevent accidental or unauthorised actuation with locking caps or locking bars
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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
Abstract
The invention discloses a positioning and locking device for a ball valve. The positioning and locking device comprises a limiting post fixed to a valve cover and a limiting disk fixed to a valve rod, wherein the limiting disk is provided with a limiting gap or a limiting groove; the limiting post is positioned in the limiting gap or the limiting groove; a locking block is rotationally arranged on the limiting post; the upper end face of the locking block is lower than the lower end face of the limiting disk; the locking block is provided with a dynamic locking hole; the limiting disk is provided with a static locking hole matched with the locking fixing hole; the dynamic locking hole and the static locking hole are matched with each other, and can be locked through a locking piece. By adopting the positioning and locking device, the opening or closing state of the ball valve can be positioned, and the ball valve can be locked, so that the accuracy of the ball valve is ensured, and internal leakage is avoided.
Description
Technical field
The present invention relates to a kind of positioning and locking device, refer to especially a kind of positioning and locking device of ball valve.
Background technique
The limit stoper of at present traditional ball valve is welded limiting bumping post on valve gap, and after spacing, there is no locking device, handle is installed on valve rod, when handle rotates, live in to have realized spacing thereby one end of handle is against limiting block, do so the easy loose or dislocation of limited post after repeatable operation, and in the situation that lacking position locking device, handle is easily because of the casual switching position that changes ball valve of being touched, and the switching position precision that these all affect ball valve, easily makes ball valve produce interior leakage.
Summary of the invention
Technical problem to be solved by this invention is: a kind of positioning and locking device of ball valve is provided, and this positioning and locking device can position the unlatching of ball valve or closed condition, and ball valve can also be locked, thereby guarantees the precision of ball valve, avoids interior leakage.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of positioning and locking device of ball valve, comprises the limited post being fixed on valve gap; Be fixed on the position-arresting disk on valve rod, be provided with spacing breach or restraining groove on this position-arresting disk, described limited post is positioned at spacing breach or restraining groove; On described limited post, be rotatablely equipped with locking block; The upper-end surface height of this locking block, lower than the lower end surface of position-arresting disk, is provided with moving locking hole on this locking block, be provided with the quiet locking hole coordinating with the hole that is locked on described position-arresting disk, and this moving locking hole and quiet locking hole match and merge and can lock by locking element.
As the preferred scheme of one, described quiet locking hole comprises to be opened quiet locking hole and closes quiet locking hole; The quiet locking hole of this unlatching is positioned at the opening end of spacing breach or restraining groove, described in close quiet locking hole and be positioned at the shutdown side of spacing breach or restraining groove.
As the preferred scheme of one, described quiet locking hole also comprises at least one middle quiet locking hole, the quiet locking hole in this centre is between the opening end and shutdown side of spacing breach or restraining groove, corresponding, on locking block in the middle of being provided with between the articulated position of locking block and moving locking hole moving locking hole, this centre is moved locking hole and is coordinated with middle quiet locking hole.
As the preferred scheme of one, described locking element is lock screw or spring bolt.
Adopt after technique scheme, effect of the present invention is: the limited post of this positioning and locking device can coordinate with position-arresting disk to be made the unlatching precision of ball valve or closes precision and improve, meanwhile, locking block can be in the capable rotation of limited post, therefore, forward locking block to moving locking hole and quiet locking hole on time, utilize locking element just can make position-arresting disk locking, valve rod just can not rotate like this, even if encounter handle by mistake, also can not drive the spheroid of ball valve to rotate, thereby avoid making ball valve to produce interior leakage.
Open quiet locking hole and close quiet locking hole because described quiet locking hole comprises again; The quiet locking hole of this unlatching is positioned at the opening end of spacing breach or restraining groove, described in close quiet locking hole and be positioned at the shutdown side of spacing breach or restraining groove, therefore, this locking block limits the enable possition of ball valve, also can limit closed position.
Again because described quiet locking hole also comprises at least one middle quiet locking hole, the quiet locking hole in this centre is between the opening end and shutdown side of spacing breach or restraining groove, corresponding, on locking block in the middle of being provided with between the articulated position of locking block and moving locking hole moving locking hole, the moving locking hole in this centre coordinates with middle quiet locking hole, cause, this locking block can also limit the opening angle of ball valve, makes the adaptability of ball valve wider.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structure sectional view of the embodiment of the present invention;
Fig. 2 is the plan view of Fig. 1;
In accompanying drawing: 1. handle; 2. position-arresting disk; 21. spacing breach; 22. open quiet locking hole; 23. close quiet locking hole; 3. valve rod; 4. valve gap; 5. limited post; 6. locking block; 61. moving locking holes.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
As shown in Figure 1, 2, a kind of positioning and locking device of ball valve, comprises the limited post 5 being fixed on valve gap 4; Be fixed on the position-arresting disk 2 on valve rod 3, on this position-arresting disk 2, being provided with spacing breach 21 or restraining groove, is that spacing breach 21 is set on position-arresting disk 2 in the present embodiment, and described limited post 5 is positioned at spacing breach 21, if change restraining groove into, limited post 5 is just constrained in restraining groove so; On described limited post 5, be rotatablely equipped with locking block 6; The upper-end surface height of this locking block 6 is lower than the lower end surface of position-arresting disk 2, on this locking block 6, be provided with moving locking hole 61, on described position-arresting disk 2, be provided with the quiet locking hole coordinating with the hole that is locked, this moving locking hole 61 and quiet locking hole match and merge and can lock by locking element.Described locking element is lock screw or spring bolt.Certainly the position relationship between locking block 6 and position-arresting disk 2 can also be: the length of limited post 5 is increased, and the lower end surface of locking block 6, higher than the upper-end surface of position-arresting disk 2, equally also can be realized spacing.
Described quiet locking hole comprises to be opened quiet locking hole 22 and closes quiet locking hole 23; The quiet locking hole 22 of this unlatching is positioned at the opening end of spacing breach 21 or restraining groove, described in close quiet locking hole 23 and be positioned at the shutdown side of spacing breach 21 or restraining groove.Certainly, described quiet locking hole also comprises at least one middle quiet locking hole (not shown), the quiet locking hole in this centre is between the opening end and shutdown side of spacing breach 21 or restraining groove, corresponding, on locking block 6 in the middle of being provided with between the articulated position of locking block 6 and moving locking hole 61 moving locking hole 61, this centre is moved locking hole 61 and is coordinated with middle quiet locking hole.
Working principle of the present invention is: move handle 1, handle 1 is with ovable valve stem 3 to rotate, be fixed on position-arresting disk 2 on valve rod 3 also with its rotation, in the time turning to limit position, while being full open position or complete closed position, the opening's edge of spacing breach 21 just coordinates with limited post 5, thereby reach location, now rotation lock piece 6, make moving locking hole 61 on locking block 6 with the quiet locking hole 22 of unlatching on position-arresting disk 2 and close quiet locking hole 23 to coordinate, then utilize lock bolt or spring bolt that locking hole is fixed, thereby completed the locking of valve rod 3.
Claims (4)
1. a positioning and locking device for ball valve, is characterized in that: comprise the limited post being fixed on valve gap; Be fixed on the position-arresting disk on valve rod, be provided with spacing breach or restraining groove on this position-arresting disk, described limited post is positioned at spacing breach or restraining groove; On described limited post, be rotatablely equipped with locking block; The upper-end surface height of this locking block, lower than the lower end surface of position-arresting disk, is provided with moving locking hole on this locking block, be provided with the quiet locking hole coordinating with the hole that is locked on described position-arresting disk, and this moving locking hole and quiet locking hole match and merge and can lock by locking element.
2. the positioning and locking device of a kind of ball valve as claimed in claim 1, is characterized in that: described quiet locking hole comprises to be opened quiet locking hole and closes quiet locking hole; The quiet locking hole of this unlatching is positioned at the opening end of spacing breach or restraining groove, described in close quiet locking hole and be positioned at the shutdown side of spacing breach or restraining groove.
3. the positioning and locking device of a kind of ball valve as claimed in claim 2, it is characterized in that: described quiet locking hole also comprises at least one middle quiet locking hole, the quiet locking hole in this centre is between the opening end and shutdown side of spacing breach or restraining groove, corresponding, on locking block in the middle of being provided with between the articulated position of locking block and moving locking hole moving locking hole, this centre is moved locking hole and is coordinated with middle quiet locking hole.
4. the positioning and locking device of a kind of ball valve as claimed in claim 2, is characterized in that: described locking element is lock screw or spring bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025806.6A CN103775730B (en) | 2014-01-21 | 2014-01-21 | A kind of positioning and locking device of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410025806.6A CN103775730B (en) | 2014-01-21 | 2014-01-21 | A kind of positioning and locking device of ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103775730A true CN103775730A (en) | 2014-05-07 |
| CN103775730B CN103775730B (en) | 2016-01-20 |
Family
ID=50568302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410025806.6A Active CN103775730B (en) | 2014-01-21 | 2014-01-21 | A kind of positioning and locking device of ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775730B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455687A (en) * | 2014-11-10 | 2015-03-25 | 芜湖真空科技有限公司 | Locking protecting device for slit valve and application thereof |
| CN109084116A (en) * | 2018-09-13 | 2018-12-25 | 浙江景迈环境工程有限公司 | A kind of whole ultraviolet light solidification renovation technique of blow-off line |
| CN109114297A (en) * | 2018-10-19 | 2019-01-01 | 国家电网有限公司 | A kind of gate valve locking mechanism |
| CN110481746A (en) * | 2019-07-24 | 2019-11-22 | 哈尔滨工程大学 | A kind of hydrofoil corner amplitude control device and the wave energy aircraft with the device |
| CN111255942A (en) * | 2019-12-09 | 2020-06-09 | 宁波耀通管阀科技有限公司 | Fixed stop device of circumscribed ball valve handle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5323805A (en) * | 1993-10-06 | 1994-06-28 | Balon Corporation | Valve with safety lock-out |
| CN201377610Y (en) * | 2009-01-16 | 2010-01-06 | 欧阳娟 | Valve capable of being locked |
| CN201487287U (en) * | 2009-08-31 | 2010-05-26 | 浙江德泰阀门制造有限公司 | Ball valve with lock |
| CN201875186U (en) * | 2010-12-15 | 2011-06-22 | 昇历金属股份有限公司 | Improved observation valve |
| CN202182203U (en) * | 2011-06-29 | 2012-04-04 | 福建菲达阀门有限公司 | Ball valve wrench |
| CN202280924U (en) * | 2011-10-27 | 2012-06-20 | 高东阀门有限公司 | Cast steel ball valve structure provided with lock |
| US20120193558A1 (en) * | 2011-02-01 | 2012-08-02 | Hoots Joshua Lee | Valve Switchbox |
| CN203718121U (en) * | 2014-01-21 | 2014-07-16 | 张家港富瑞特种装备股份有限公司 | Ball valve positioning and locking device |
-
2014
- 2014-01-21 CN CN201410025806.6A patent/CN103775730B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5323805A (en) * | 1993-10-06 | 1994-06-28 | Balon Corporation | Valve with safety lock-out |
| CN201377610Y (en) * | 2009-01-16 | 2010-01-06 | 欧阳娟 | Valve capable of being locked |
| CN201487287U (en) * | 2009-08-31 | 2010-05-26 | 浙江德泰阀门制造有限公司 | Ball valve with lock |
| CN201875186U (en) * | 2010-12-15 | 2011-06-22 | 昇历金属股份有限公司 | Improved observation valve |
| US20120193558A1 (en) * | 2011-02-01 | 2012-08-02 | Hoots Joshua Lee | Valve Switchbox |
| CN202182203U (en) * | 2011-06-29 | 2012-04-04 | 福建菲达阀门有限公司 | Ball valve wrench |
| CN202280924U (en) * | 2011-10-27 | 2012-06-20 | 高东阀门有限公司 | Cast steel ball valve structure provided with lock |
| CN203718121U (en) * | 2014-01-21 | 2014-07-16 | 张家港富瑞特种装备股份有限公司 | Ball valve positioning and locking device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455687A (en) * | 2014-11-10 | 2015-03-25 | 芜湖真空科技有限公司 | Locking protecting device for slit valve and application thereof |
| CN109084116A (en) * | 2018-09-13 | 2018-12-25 | 浙江景迈环境工程有限公司 | A kind of whole ultraviolet light solidification renovation technique of blow-off line |
| CN109084116B (en) * | 2018-09-13 | 2020-03-31 | 浙江景迈环境工程有限公司 | Integral ultraviolet curing repair process for sewage pipeline |
| CN109114297A (en) * | 2018-10-19 | 2019-01-01 | 国家电网有限公司 | A kind of gate valve locking mechanism |
| CN109114297B (en) * | 2018-10-19 | 2024-04-30 | 国家电网有限公司 | Gate valve locking mechanism |
| CN110481746A (en) * | 2019-07-24 | 2019-11-22 | 哈尔滨工程大学 | A kind of hydrofoil corner amplitude control device and the wave energy aircraft with the device |
| CN110481746B (en) * | 2019-07-24 | 2021-04-02 | 哈尔滨工程大学 | Hydrofoil corner amplitude control device and wave energy vehicle with same |
| CN111255942A (en) * | 2019-12-09 | 2020-06-09 | 宁波耀通管阀科技有限公司 | Fixed stop device of circumscribed ball valve handle |
| CN111255942B (en) * | 2019-12-09 | 2022-05-24 | 宁波耀通管阀科技有限公司 | External ball valve handle fixing and limiting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103775730B (en) | 2016-01-20 |
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