Pulse valve for radioactive conditions

By designing thread grooves, slots, extension screws and telescopic ring structures in the pulse valve, combined with the sealing ring and limiting insert, the problem of insufficient sealing of the existing pulse valve is solved, and higher sealing and device stability are achieved.

CN120027260APending Publication Date: 2025-05-23CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
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Patent Information

Application Number
CN202510288520.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-05-23

AI Technical Summary

Technical Problem

When the existing pulse valve is opened and closed, the impact of the high-pressure air source can easily cause the bolts between the valve body and the valve cover to loosen, resulting in insufficient sealing and affecting the normal use of the device.

Method used

A pulse valve for radioactive conditions is designed, and its valve body and valve cover are connected by threaded grooves and slots. Using an extension screw and telescopic ring structure, a tight connection is achieved through a sealing ring and a limiting insert to prevent the bolt from loosening.

Benefits of technology

It effectively prevents the gap between the valve body and the valve cover, improves the sealing, avoids the increase in the pressure of the power mechanism, and ensures the normal use of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of pulse valves, in particular to a pulse valve for radioactive conditions, comprising: a valve body, the periphery of the top of which is provided with a plurality of groups of threaded grooves; an insertion groove is formed in the inner side of the threaded groove of the valve body, a second telescopic groove is formed between the threaded groove and the insertion groove of the valve body, and a limiting insertion block is arranged in the second telescopic groove; the bottom of the bolt is connected with an extension screw rod, and the diameter of the extension screw rod is smaller than that of the bolt; the pulse valve for the radioactive condition has the beneficial effects that when the pulse valve is installed, the valve body is aligned with the threaded groove in the valve cover, then bolts are inserted into the threaded grooves formed in the valve cover one by one, at the moment, the bolts start to extrude the telescopic rings, and the telescopic rings are inserted into the threaded grooves in the valve cover; and an extension screw rod at the bottom of the bolt penetrates through a through hole formed in the middle of the telescopic ring, and the telescopic ring starts to drive the sealing ring to stretch out and draw back downwards, so that the sealing ring stretches into a slot formed in the top of the valve body.
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Claims

1. A pulse valve for radioactive conditions, characterized in that: include: A valve body (1), wherein a plurality of groups of thread grooves are formed around the top of the valve body (1); a slot (12) is formed on the inner side of the thread groove of the valve body (1); a second telescopic groove (19) is formed between the thread groove and the slot (12); a limit insert (20) is provided in the second telescopic groove (19); and A bolt (6), the bottom of the bolt (6) is connected to an extension screw rod (7), and the diameter of the extension screw rod (7) is smaller than the diameter of the bolt (6); A closed ring (11) is provided, wherein the top outer side of the closed ring (11) is connected to a connecting plate (14) at four sides, and the outer side of the connecting plate (14) is connected to a telescopic ring (15), wherein the overall diameter of the telescopic ring (15) is greater than the diameter of the bolt (6), and a through hole is provided in the middle of the telescopic ring (15), wherein the diameter of the through hole is greater than the diameter of the extension screw (7).

2. A pulse valve for radioactive conditions according to claim 1, characterized in that: An inlet (4) is provided on one side of the valve body (1), and the pulse flow enters the valve body (1) through the inlet (4). An outlet (5) is provided at the bottom of the valve body (1), and the pulse flow is ejected from the outlet (5).

3. A pulse valve for radioactive conditions according to claim 2, characterized in that: A pulse assembly (3) is arranged in the middle of the top of the valve cover (2), one end of the pulse assembly (3) is connected to a wire, and the wire inputs positive and negative pulse signals to the coil in the pulse assembly (3), so that the pulse assembly (3) can control the opening and closing of the pulse valve.

4. A pulse valve for radioactive conditions according to claim 3, characterized in that: The outer side of the valve cover (2) is provided with thread grooves on all sides, the thread grooves on the valve cover (2) have a diameter larger than the thread grooves on the valve body (1), and the thread grooves on the valve cover (2) are adapted to fit the bolts (6).

5. A pulse valve for radioactive conditions according to claim 4, characterized in that: A first telescopic groove (9) is provided on the inner side of the thread groove of the valve cover (2), a first spring (10) is arranged in the first telescopic groove (9), the bottom of the first spring (10) is connected to a closed ring (11), the valve cover (2) is provided with a projection (13) between the thread groove and the first telescopic groove (9), a connecting plate (14) at the top of the outer side of the closed ring (11) is inserted into the projection (13) and connected to the telescopic ring (15) in the thread groove.

6. A pulse valve for radioactive conditions according to claim 5, characterized in that: The extended screw rod (7) at the bottom of the bolt (6) is adapted to the threaded grooves provided around the valve body (1), and the bolt (6) can be inserted into the threaded groove at the top of the valve cover (2), thereby squeezing the telescopic ring (15) in the threaded groove, and allowing the extended screw rod (7) connected to the bottom of the bolt (6) to pass through the through hole in the middle of the telescopic ring (15) and be inserted into the threaded grooves provided around the valve body (1); the bolt (6) and the extended screw rod (7) connect the valve body (1) and the valve cover (2).

7. A pulse valve for radioactive conditions according to claim 6, characterized in that: The sealing ring (11) provided on the inner side of the thread groove of the valve cover (2) is parallel to the slot (12) provided on the inner side of the thread of the valve body (1). Annular grooves (16) are provided at both the upper and lower ends of the sealing ring (11). A sealing ring (17) is provided in the annular groove (16). The sealing ring (11) can be inserted into the slot (12), so that the sealing ring (17) in the annular groove (16) at the beginning of the sealing ring (11) seals the connection between the valve body (1) and the valve cover (2).

8. A pulse valve for radioactive conditions according to claim 7, characterized in that: The outer side of the limiting plug (20) in the second telescopic groove (19) extends into the threaded grooves provided around the valve body (1); a plurality of groups of limiting grooves (18) are provided at the bottom of the closed ring (11); the limiting grooves (18) are perpendicular to the connecting plate (14); the extended screw rod (7) can squeeze the outer arc surface of the limiting plug (20) so that the limiting plug (20) is inserted into the limiting groove (18), thereby fixing the limiting groove (18) in the slot (12).

9. A pulse valve for radioactive conditions according to claim 8, characterized in that: Second springs (21) are arranged on both sides of the second telescopic slot (19), and the inner side of the second spring (21) is connected to the limiting plug (20). The second spring (21) can be contracted so that the second spring (21) drives the limiting plug (20) to rebound and disengage from the limiting slot (18).