CN1862067A - Locking device of valve opening state - Google Patents
Locking device of valve opening state Download PDFInfo
- Publication number
- CN1862067A CN1862067A CN 200410096822 CN200410096822A CN1862067A CN 1862067 A CN1862067 A CN 1862067A CN 200410096822 CN200410096822 CN 200410096822 CN 200410096822 A CN200410096822 A CN 200410096822A CN 1862067 A CN1862067 A CN 1862067A
- Authority
- CN
- China
- Prior art keywords
- valve
- opening state
- valve opening
- locking device
- small
- 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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Abstract
The invention is characterized by machining internal thread holes along the valve stem and several symmetrical small holes along the radial direction. In the small holes are mounted several small steel balls. An inner angular screw is driven to the small steel ball place along the internal thread holes and extrudes the small steel balls outward along the radial direction to make them be inserted into the internal straight-teeth on the valve cover, so as to achieve the goal of locking the valve stem.
Description
Technical field mainly is useful in heat supply, the water supply systems such as (air-conditionings), is used for the opening state of Locked valve, prevents that amateur administrative staff from changing the good valve opening state of adjusted without authorization.
The valve locking device that background technique is used in the market, the principle of mainly utilizing key to cooperate with keyway locks valve rod, exist the defective of arbitrary position locking that can not be in circumference, and because the influence of aspect factors such as processing technology, it is very little that this device can not be done, thereby can not use on the less valve of stem diameter.The locking device of this valve opening state is to utilize the steel ball that is installed in the valve rod to lock valve rod with the principle that straight-tooth in the valve gap matches, not only be applicable to the valve of large, medium and small various models but also arbitrary locking position that can be in circumference, improved the valve rod Location accuracy.Because the lockhole on the Cock screw is interior triangle, be difficult to open with other instrument, increased the safety coefficient that prevents to change lock state.
Summary of the invention valve rod upper end edge axis processes the screw of dark XX, and the position that the valve gap of straight-tooth combines in having again radially gets out the symmetrical aperture of N Φ XX, respectively adorn in each aperture several with valve gap on the small ball that is complementary of internal tooth.With an interior triangle Cock screw, be threaded to the small ball place vertically, the conical surface in valve rod radially is pressed into the valve gap straight-tooth, is realized the purpose of locking with steel ball with after small ball contacts.
The locking device cross-sectional schematic of description of drawings valve opening state is represented with accompanying drawing 1; The schematic top plan view of valve opening state is represented with accompanying drawing 2.
Embodiment rotary valve rod 1, when the opening state of valve reaches need state, with triangle Cock screw 2 in the rotation of three interior angle keys, make it downward movement, cone outwards pushes small ball 3 along diametric(al) simultaneously, small ball is embedded in the teeth groove of valve gap inner diameter, thereby valve rod is in the lock state.In the time of need adjusting the opening state of valve, with triangle Cock screw 2 in the triangular key backward rotation, Cock screw 2 rises, no longer small ball is pushed, rotation valve rod, steel ball will in valve gap on the formed inclined-plane of straight-tooth, be pushed back in the valve rod by reaction force, makes valve be in the state of can adjusting.
Claims (1)
1, the valve opening state locking device is to be applied in heat supply, the water supply systems such as (air-conditionings), is used for locking the good valve opening state of adjusted.It is characterized in that: axis processes interior threaded hole in valve rod (1) upper edge, radially process array symmetry aperture at the position of matching with valve gap (2), several small balls (3) are housed in the hole, with a Cock screw (4) vertically interior threaded hole be threaded to the small ball place, be used for radially outwards pushing small ball, small ball is radially moved, embed in the interior straight-tooth of valve gap, realize the purpose that locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410096822 CN1862067A (en) | 2004-12-07 | 2004-12-07 | Locking device of valve opening state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410096822 CN1862067A (en) | 2004-12-07 | 2004-12-07 | Locking device of valve opening state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1862067A true CN1862067A (en) | 2006-11-15 |
Family
ID=37389560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410096822 Pending CN1862067A (en) | 2004-12-07 | 2004-12-07 | Locking device of valve opening state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1862067A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176448A (en) * | 2018-09-27 | 2019-01-11 | 深圳市华星光电半导体显示技术有限公司 | Extraction assembly and crucible extraction element, crucible extracting method |
| US10968509B2 (en) | 2018-09-27 | 2021-04-06 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Picking assembly, crucible picking device, and method for picking crucible |
-
2004
- 2004-12-07 CN CN 200410096822 patent/CN1862067A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176448A (en) * | 2018-09-27 | 2019-01-11 | 深圳市华星光电半导体显示技术有限公司 | Extraction assembly and crucible extraction element, crucible extracting method |
| WO2020062508A1 (en) * | 2018-09-27 | 2020-04-02 | 深圳市华星光电半导体显示技术有限公司 | Extraction assembly, crucible extraction device, and crucible extraction method |
| US10968509B2 (en) | 2018-09-27 | 2021-04-06 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Picking assembly, crucible picking device, and method for picking crucible |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |