Triggering structure of sign post of pressure relief valve

Abstract

The utility model relates to the technical field of pressure relief valves, and discloses a trigger structure of a sign post of a pressure relief valve, which comprises a trigger device and a column body, a trigger button is mounted at the top of the column body, the column body is mounted at the top of a pressure relief valve body, and the sign post is mounted in the pressure relief valve body. The triggering device is installed at the bottom of the column body and comprises a metal ring, a limiting block, a connecting assembly and a rotating shaft, the rotating shaft is inserted into the bottom of the connecting assembly, the limiting block is rotationally connected to the bottom of the connecting assembly, and the rotating shaft is inserted into the left portion of the metal ring. According to the triggering structure of the pressure relief valve marker post, the triggering connecting arm, the metal shell and the limiting cover plate are arranged, the triggering connecting arm and the limiting cover plate can clamp and fix the metal shell, the metal shell can be detached and replaced, and meanwhile the metal shell is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure release valve technical field, concretely is a kind of trigger structure of pressure release valve marker rod. BACKGROUND

[0002] Pressure release valve is also named ash storage release valve or ash storage vacuum release valve, mainly suitable for ash storage, limestone powder warehouse, grain warehouse and other airtight material warehouse, and the oil tank inside of large oil-immersed electric power transformer, electric power capacitor, electric reactor and other equipment. When the pressure or temperature in the material warehouse or oil tank is abnormal, the valve can automatically adjust the internal pressure and temperature, protect the material warehouse or equipment from the influence of excessive or low pressure, so as to ensure the safe operation of the equipment.

[0003] The prior art discloses a trigger structure of a pressure release valve marker rod with the publication number CN217519293U, which includes a pressure release valve and a marker rod. The inner wall of the pressure release valve is equipped with the marker rod. The surface of the pressure release valve is fixedly equipped with a mounting cylinder. The side wall of a micro switch is fixedly equipped with a trigger structure. The trigger structure is matched with the micro switch. The device pressure is released through the pressure release valve, and the marker rod is driven to move. Through the action of the marker rod, the trigger structure can be effectively opened. The micro switch is opened through the trigger structure, the alarm device is opened, the effect of triggering is ensured, the reaction of the micro switch is fast, the practicality is ensured, the micro switch is assembled through the cooperation of the mounting cylinder and the top block, the stability of the micro switch is ensured, the micro switch is fixed through the plug rod and the clamping structure, and the micro switch can also be removed, so that maintenance and replacement are facilitated, and the use is convenient.

[0004] When the trigger structure is replaced, the trigger structure and the side wall of the micro switch need to be cut, which can cause damage to the micro switch and the trigger structure, and a lot of time is needed for maintenance of the micro switch and the trigger structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a trigger structure of a pressure release valve marker rod to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a trigger structure of a pressure release valve marker rod, including trigger device and column body, the top of the column body is equipped with trigger button, the column body is installed at the top of pressure release valve body, the inside of the pressure release valve body is equipped with marker rod, the trigger device is installed at the bottom of column body.

[0007] The trigger device comprises a metal ring, a limiting block, a connecting assembly and a rotating shaft, the rotating shaft is inserted into the bottom of the connecting assembly, the limiting block is rotationally connected to the bottom of the connecting assembly, and the rotating shaft is inserted into the left part of the metal ring.

[0008] Preferably, the connecting assembly comprises a trigger ball, a connecting rod, a threaded rod, a spiral spring, a trigger connecting arm, a metal shell and a limiting cover plate, the limiting cover plate is threadedly connected to the top of the trigger connecting arm, the metal shell is inserted into the top of the trigger connecting arm, the spiral spring is fixedly connected to the left side surface of the inner wall of the metal shell, the connecting rod is slidingly connected to the middle position of the metal shell, the trigger ball is threadedly connected to the right side surface of the connecting rod, and the threaded rod is fixedly connected to the left side surface of the trigger ball.

[0009] Preferably, the metal ring is installed at the bottom of the column body, the limiting block is installed at the left part of the metal ring, the rotating shaft is located at the left side direction of the limiting block, the limiting block is rotationally connected to the bottom of the trigger connecting arm, the limiting block, the rotating shaft and the metal ring can limit the position of the trigger connecting arm, and the metal ring can slide on the surface of the column body, so that the position of the trigger connecting arm can be adjusted.

[0010] Preferably, the limiting cover plate is movably connected to the surface of the metal shell, and the limiting cover plate and the trigger connecting arm can determine the position of the metal shell, so that the metal shell can be conveniently disassembled and replaced.

[0011] Preferably, the threaded rod is inserted into the left end of the connecting rod, the connecting rod is installed at the right side surface of the trigger connecting arm, the threaded rod can threadedly fix the connecting rod and the trigger ball, the trigger ball can be conveniently disassembled and replaced, and trigger balls made of different materials can be used.

[0012] Preferably, the connecting rod is composed of a threaded rod and a metal disc plate, the threaded rod is inserted into the middle position of the metal shell, the metal disc plate and the metal shell can determine the position of the spiral spring, and a nut is threadedly connected to the left part of the connecting rod, the nut rotates on the surface of the threaded rod, so that the position of the connecting rod can be adjusted.

[0013] Preferably, the bottom of the limiting cover plate is inserted into a limiting threaded rod, the limiting threaded rod is inserted into the top of the trigger connecting arm, the limiting threaded rod can threadedly fix the limiting cover plate and the trigger connecting arm, so that the metal shell can be disassembled and replaced, and the metal shell can be quickly and conveniently replaced.

[0014] Compared with the prior art, the trigger device has the advantages that:

[0015] 1. The trigger structure of the pressure release valve flag rod, by setting the trigger connecting arm, metal shell and limit cover plate, the trigger connecting arm and the limit cover plate can clamp and fix the metal shell, can disassemble and replace the metal shell, at the same time, it is convenient to repair the metal shell, so as to increase the service time of the metal shell.

[0016] 2. The trigger structure of the pressure release valve flag rod, by setting the connecting rod, trigger ball and threaded rod, the threaded rod can connect the trigger ball and the connecting rod, it is convenient to disassemble and replace the trigger ball, different kinds of trigger balls can be used according to the actual environment and the specification of the trigger button, so as to increase the service time of the trigger ball. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall three-dimensional schematic view of the utility model;

[0018] Figure 2 It is the A structure local amplification schematic view in the utility model Figure 1 ;

[0019] Figure 3 It is the top view schematic view of the trigger device of the utility model;

[0020] Figure 4 It is the A-A section schematic view in the utility model Figure 3 ;

[0021] Figure 5 It is the three-dimensional schematic view of the metal ring, limit block and rotating shaft of the utility model.

[0022] In the drawing: 1, trigger device; 11, metal ring; 12, limit block; 13, connecting assembly; 131, trigger ball; 132, connecting rod; 133, threaded rod; 134, helical spring; 135, trigger connecting arm; 136, metal shell; 137, limit cover plate; 14, rotating shaft; 2, flag rod; 3, column body; 4, trigger button; 5, pressure release valve body. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-5 , the utility model provides the following technical scheme:

[0025] The application discloses a trigger structure of a pressure release valve flag rod, which comprises a trigger device 1 and a column body 3, wherein the top of the column body 3 is provided with a trigger button 4, the column body 3 is installed on the top of a pressure release valve body 5, the inside of the pressure release valve body 5 is provided with a flag rod 2, and the trigger device 1 is installed on the bottom of the column body 3.

[0026] The trigger device 1 comprises a metal ring 11, a limiting block 12, a connecting assembly 13 and a rotating shaft 14, the rotating shaft 14 is inserted into the bottom of the connecting assembly 13, the limiting block 12 is rotationally connected to the bottom of the connecting assembly 13, and the rotating shaft 14 is inserted into the left part of the metal ring 11.

[0027] The connecting assembly 13 comprises a trigger ball 131, a connecting rod 132, a threaded rod 133, a spiral spring 134, a trigger connecting arm 135, a metal shell 136 and a limiting cover plate 137, the limiting cover plate 137 is screw-connected to the top of the trigger connecting arm 135, the bottom of the limiting cover plate 137 is inserted into a limiting threaded rod, the limiting threaded rod is inserted into the top of the trigger connecting arm 135, the limiting threaded rod can screw-fix the limiting cover plate 137 and the trigger connecting arm 135, so that the metal shell 136 can be disassembled and replaced, the replacement of the metal shell 136 is quick and convenient, the limiting cover plate 137 is movably connected to the surface of the metal shell 136, the limiting cover plate 137 and the trigger connecting arm 135 can determine the position of the metal shell 136, the disassembly and replacement of the metal shell 136 is facilitated, the metal shell 136 is inserted into the top of the trigger connecting arm 135, the metal ring 11 is installed on the bottom of the column body 3, the limiting block 12 is installed on the left part of the metal ring 11, the rotating shaft 14 is located in the left side direction of the limiting block 12, the limiting block 12 is rotationally connected to the bottom of the trigger connecting arm 135, the limiting block 12, the rotating shaft 14 and the metal ring 11 can limit the position of the trigger connecting arm 135, the metal ring 11 slides on the surface of the column body 3, so that the position of the trigger connecting arm 135 can be adjusted, the spiral spring 134 is fixedly connected to the left side surface of the inner wall of the metal shell 136, the connecting rod 132 is slidingly connected to the middle position of the metal shell 136, the connecting rod 132 is composed of a threaded rod and a metal disc, the threaded rod is inserted into the middle position of the metal shell 136, the metal disc and the metal shell 136 can determine the position of the spiral spring 134, a nut is screw-connected to the left part of the connecting rod 132, the nut rotates on the surface of the threaded rod, so that the position of the connecting rod 132 can be adjusted, the trigger ball 131 is screw-connected to the right side surface of the connecting rod 132, the threaded rod 133 is fixedly connected to the left side surface of the trigger ball 131, the threaded rod 133 is inserted into the left end of the connecting rod 132, the connecting rod 132 is installed on the right side surface of the trigger connecting arm 135, the threaded rod 133 can screw-fix the connecting rod 132 and the trigger ball 131, so that the trigger ball 131 can be disassembled and replaced, and the trigger ball 131 made of different materials can be used.

[0028] In use, when the pressure release valve body 5 reaches the specified data, the pressure release valve body 5 inside the flag 2 moves up, the flag 2 can push the trigger connecting arm 135 to rotate, the trigger connecting arm 135 drives the metal shell 136 to rotate.

[0029] When the trigger connecting arm 135 rotates, the trigger connecting arm 135 rotates in the metal ring 11 inside the limiting block 12, and the limiting block 12 can limit the position of the trigger connecting arm 135.

[0030] The metal shell 136 can drive the connecting rod 132 and the trigger ball 131 to rotate, and the trigger ball 131 and the trigger button 4 are in contact, and the metal shell 136 continues to rotate, and the metal shell 136 and the connecting rod 132 can compress the threaded rod 133, so that the trigger ball 131 and the trigger button 4 are extruded, and the trigger button 4 can be triggered.

[0031] Pull the limiting threaded rod, the limiting threaded rod can be separated from the limiting cover plate 137 and the trigger connecting arm 135, so that the connection between the limiting cover plate 137 and the trigger connecting arm 135 is loose, pull the limiting cover plate 137 to move up, the limiting cover plate 137 can be separated from the trigger connecting arm 135.

[0032] Pull the metal shell 136 to move up, the metal shell 136 moves up along the inner wall surface of the trigger connecting arm 135, so that the metal shell 136 can be separated from the trigger connecting arm 135.

[0033] Turn the nut, the nut rotates on the threaded end surface of the connecting rod 132, at this time the spiral spring 134 inside the metal shell 136 starts to rebound, the spiral spring 134 can push the connecting rod 132 to move right, so that the connecting rod 132 slides along the inner wall surface of the metal shell 136, so that the connecting rod 132 can be separated from the trigger connecting arm 135.

[0034] Turn the nut, the nut rotates on the surface of the threaded rod 133, so that the connection between the connecting rod 132 and the trigger ball 131 is loose, so that the trigger ball 131 can be disassembled and replaced, and trigger balls 131 of different materials can be used, which can increase the use time of the device.

[0035] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A triggering structure of a pressure relief valve flagpole, comprising a triggering device (1) and a column body (3), characterized in that: The top of the column (3) is provided with a trigger button (4), the column (3) is installed on the top of the pressure release valve body (5), the inside of the pressure release valve body (5) is provided with a sign rod (2), and the trigger device (1) is installed on the bottom of the column (3); The trigger device (1) comprises a metal ring (11), a limiting block (12), a connecting assembly (13) and a rotating shaft (14), the rotating shaft (14) is inserted into the bottom of the connecting assembly (13), the limiting block (12) is rotationally connected to the bottom of the connecting assembly (13), and the rotating shaft (14) is inserted into the left part of the metal ring (11).

2. A trigger structure for a pressure relief valve flagpole according to claim 1, wherein: The connecting assembly (13) comprises a trigger ball (131), a connecting rod (132), a threaded rod (133), a spiral spring (134), a trigger connecting arm (135), a metal shell (136) and a limiting cover plate (137), the limiting cover plate (137) is screw-connected to the top of the trigger connecting arm (135), the metal shell (136) is inserted into the top of the trigger connecting arm (135), the spiral spring (134) is fixedly connected to the left side surface of the inner wall of the metal shell (136), the connecting rod (132) is slidingly connected to the middle position of the metal shell (136), the trigger ball (131) is screw-connected to the right side surface of the connecting rod (132), and the threaded rod (133) is fixedly connected to the left side surface of the trigger ball (131).

3. A trigger for a pressure relief valve flag stem according to claim 2, wherein: The metal ring (11) is installed on the bottom of the column (3), the limiting block (12) is installed on the left part of the metal ring (11), the rotating shaft (14) is located on the left side of the limiting block (12), and the limiting block (12) is rotationally connected to the bottom of the trigger connecting arm (135).

4. A trigger for a pressure relief valve flag stem according to claim 3 wherein: The limiting cover plate (137) is movably connected to the surface of the metal shell (136).

5. A trigger for a pressure relief valve flagpole according to claim 4, wherein: The threaded rod (133) is inserted into the left end of the connecting rod (132), and the connecting rod (132) is installed on the right side surface of the trigger connecting arm (135).

6. A trigger for a pressure relief valve flagpole according to claim 5, wherein: The connecting rod (132) is composed of a threaded rod and a metal round plate.

7. A trigger for a pressure relief valve flagpole according to claim 6, wherein: The bottom of the limiting cover plate (137) is inserted into a limiting threaded rod, and the limiting threaded rod is inserted into the top of the trigger connecting arm (135).

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