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Pressure vessel valve suitable for automatic locking

A pressure vessel and automatic locking technology, which is applied in the field of pressure vessel valves, can solve problems such as misopening of the hand wheel, and achieve the effects of avoiding misopening, improving the limit effect, and long service life

Active Publication Date: 2014-09-17
JIANGSU XIANGWANG VALVE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of the above-mentioned pressure vessel valve in the prior art is that the hand wheel is easily opened by human or other means of misoperation, how to avoid this situation is a technical problem to be solved in this field

Method used

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  • Pressure vessel valve suitable for automatic locking
  • Pressure vessel valve suitable for automatic locking
  • Pressure vessel valve suitable for automatic locking

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Embodiment Construction

[0025] See Figure 1-10 , the pressure vessel valve suitable for automatic locking in this embodiment includes: a valve body 1, a valve stem 2 arranged in the valve body 1, a lock lever 3 arranged at the upper end of the valve stem 2, and a hand lever arranged at the top of the lock lever 3. Wheel 9; valve stem 2 includes: conical section 2-1 and cylindrical section 2-2 connected to the upper end of the conical section 2-1; valve body 1 includes: the first cylindrical cavity 1-1 at the bottom, the same A conical cavity 1-2 with an axis set at the upper end of the first cylindrical cavity 1-1, which is suitable for sealing fit with the conical section 2-1 of the valve stem 2, and a coaxial line set at the conical cavity The second cylindrical cavity 1-3 at the upper end of 1-2; the side wall of the conical cavity 1-2 is provided with an exhaust port 1-4; the diameter of the upper port of the conical cavity 1-2 is smaller than the second cylindrical cavity 1-3 in diameter to fo...

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Abstract

The invention relates to a pressure vessel valve suitable for automatic locking which is simple in structure, good in safety and reliability and can avoid false opening, which comprises: a valve body, a valve stem, a locking rod and a hand wheel; Shaped section and columnar section; The valve body includes: a first cylindrical chamber, a tapered chamber and a second cylindrical chamber; the diameter of the upper port of the tapered chamber is smaller than the diameter of the second cylindrical chamber, so that The bottom forms an annular platform, and a locking groove is arranged on the annular platform; the pipe body of the middle and lower sections of the locking rod is sleeved on the cylindrical section of the valve stem, and a pair of waist-shaped holes are arranged radially at the middle and upper part of the pipe body; the lock There is a spring pin in the pin hole of the rod, and the two ends of the spring pin extend out of the pair of waist-shaped holes; the bottom of the lock rod is provided with an annular boss, and the upper end of the annular boss is provided with an annular lock pin sleeved on the pipe body A pressure ring is arranged at the lower end of the spring pin, and a spring is arranged between the pressure ring and the annular lock pin; a protrusion suitable for matching with the locking groove is provided on the lower end surface of the ring lock pin.

Description

[0001] This application is a divisional application, the application number of the original application is: 201110086790.6, the application date: 2011-04-07, and the title of the invention is "Pressure Vessel Valve Suitable for Automatic Locking". technical field [0002] The invention relates to a pressure container valve, which is suitable for metal containers of liquefied pressure gases such as liquefied petroleum gas, coal gas, dimethyl ether, and natural gas. Background technique [0003] Existing pressure vessel valves include: a valve body, a tapered valve stem that is sealingly fitted in the valve body and a handwheel connected to the top of the valve stem. The side wall of the valve body is provided with an exhaust port, and the lower end of the valve stem is axial There is a vent hole, which communicates with the vent port on the side wall of the valve stem; when the vent port on the side wall of the valve stem is in the same direction as the vent port on the side w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K5/02F16K31/44F16K35/02
Inventor 陆祖明许磊王宇郑秀艳
Owner JIANGSU XIANGWANG VALVE CO LTD
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