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Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking

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

Inactive Publication Date: 2014-09-17
GUANGDONG MEIYAN HYDROPOWER 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 capable of avoiding error opening and suitable for automatic blocking
  • Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking
  • Pressure vessel valve capable of avoiding error opening and suitable for automatic blocking

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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 capable of avoiding error opening and suitable for automatic blocking, which has the advantages of simple structure and better safety and reliability. The pressure vessel valve comprises a valve body, a valve rod, a locking rod and a hand wheel, wherein the valve rod comprises a conical section and a cylindrical section; the valve body comprises a first cylindrical cavity, a conical cavity and a second cylindrical cavity; the diameter of an upper port of the conical cavity is smaller than that of the second cylindrical cavity to form an annular platform at the bottom of the second cylindrical cavity; a locking groove is formed in the annular platform; a tube body at the middle lower section of the locking rod is arranged on the cylindrical section of the valve rod in a sleeving manner; a pair of waist-shaped holes is radially formed at the middle upper part of the tube body; a spring pin is arranged in a pin hole of the locking rod, and the two ends of the spring pin extend out of the waist-shaped holes; an annular boss is arranged at the bottom of the locking rod, an annular locking pin arranged on the tube body in a sleeving manner is arranged at the upper end of the annular boss, 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 locking pin; and a bulge matched with the locking groove is arranged on the lower end surface of the annular lock pin.

Description

[0001] This application is a divisional application, the application number of the original application: 201110086790.6, the application date: 2011-04-07, and the name of the invention "Pressure Vessel Valve Suitable for Automatic Locking" technical field [0002] The invention relates to a pressure container valve suitable for automatic locking, 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 v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K5/02F16K31/44F16K35/02
Inventor 温增勇熊冰丘秀容谢敬国罗维明李德尹
Owner GUANGDONG MEIYAN HYDROPOWER CO LTD
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