Container valve pressure gauge connecting piece of gas fire extinguishing system and pressure gauge

Abstract

The utility model relates to the technical field of pressure gauges, in particular to a gas fire extinguishing system container valve pressure gauge connecting piece which comprises a connecting column and a fastening bolt which are movably connected in a sleeved mode, a sealing ring is installed on the connecting column, and a pushing portion is squeezed through the fastening bolt to push the connecting column to move to a preset position and be locked. According to the utility model, through the arrangement of the connecting column and the fastening bolt which are movably sleeved and connected, after the pressure gauges are assembled and fixed, the orientation of the pressure gauges can still be conveniently adjusted, so that each pressure gauge faces one side which is convenient to observe and maintain; observation of users and later maintenance personnel is facilitated; and by continuously adjusting the orientations of the pressure gauges, the deviation between the orientations of the pressure gauges can be reduced, the pressure gauges can be mounted neatly, straightly and beautifully, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field, especially relate to a gas fire extinguishing system container valve pressure gauge connecting piece and pressure gauge. BACKGROUND

[0002] The gas fire extinguishing system is mainly used in the environment which is not suitable for setting up water fire extinguishing system and other fire extinguishing systems, such as computer room, important library archives, mobile communication base station (room), UPS room, battery room and general diesel generator room.

[0003] The gas fire extinguishing system refers to the fire extinguishing system which stores extinguishing agent in liquid, liquefied gas or gas state in a pressure container during normal times, and sprays gas (including steam and gas mist) as extinguishing medium in gas state during fire extinguishing.

[0004] The container valve pressure gauge in the existing gas fire extinguishing system needs to be sealed, and the dial direction should be towards the side convenient for observation and maintenance after installation is completed, but the pressure gauge is directly connected with a screw thread and matched with an O-shaped ring seal or a tapered thread seal at present. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a gas fire extinguishing system container valve pressure gauge connecting piece, which can still conveniently adjust the direction of the pressure gauge after assembly and fixation through the connecting column and the fastening bolt in active connection.

[0006] The utility model provides the following specific technical scheme:

[0007] The utility model discloses a gas fire extinguishing system container valve pressure gauge connecting piece, which comprises a connecting column, one end of the connecting column is provided with a pressure gauge, the other end of the connecting column is communicated with a gas outlet of a fire extinguishing container valve, a gas passage communicated with the pressure gauge and the gas outlet of the fire extinguishing container valve is arranged in the connecting column, a fastening bolt is movably sleeved on the outer wall of the connecting column, the fastening bolt is screwed with the gas outlet of the fire extinguishing container valve, a pushing part corresponding to the bottom surface of the fastening bolt is arranged on the connecting column, and the fastening bolt pushes the connecting column to move to a preset position and is locked by extruding the pushing part.

[0008] Preferably, the outer wall surface of the lower half of the fastening bolt is provided with fastening threads matched with the inner wall threads of the gas outlet of the fire extinguishing container valve.

[0009] Preferably, the pushing part is an annular block or a polygonal block fixedly installed on the side wall of the connecting column.

[0010] Preferably, the connecting column is provided with an installation groove near the gas passage opening in the interior of the gas outlet of the fire extinguishing container valve, and a sealing ring is installed on the installation groove and used for sealing the connecting column and the gas outlet of the fire extinguishing container valve.

[0011] Preferably, the sealing ring is an O-shaped ring.

[0012] Preferably, the sealing ring is an O-shaped ring and a blocking ring. The combination of the O-shaped ring and the blocking ring can prolong the service life of the O-shaped ring.

[0013] Preferably, the pressure gauge is an axial pressure gauge or a radial pressure gauge.

[0014] The second aspect of the utility model provides a pressure gauge, which uses the fire extinguishing container valve pressure gauge connecting piece to connect the container valve in the gas fire extinguishing system.

[0015] The fire extinguishing system container valve pressure gauge connecting piece disclosed by the utility model has the following technical effects:

[0016] The connecting column and the fastening bolt connected movably are arranged, after the pressure gauges are assembled and fixed, the orientations of the pressure gauges can still be conveniently adjusted, all the pressure gauges are oriented to one side which is convenient for observation and maintenance, and the user and the later maintenance personnel can conveniently observe; and by continuously adjusting the orientations of the pressure gauges, the deviation between the orientations of the pressure gauges can be reduced, the pressure gauges can be installed more neatly, correctly and beautifully, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a sectional view of the connecting column in the utility model;

[0019] Figure 3 It is a sectional view of the fastening bolt in the utility model;

[0020] Figure 4 It is a structural schematic view of the fire extinguishing system container valve pressure gauge connecting piece of the utility model installed on the container valve;

[0021] Figure 5 It is a structural schematic view of the prior art.

[0022] In the figure: 1- connecting column; 11- push part; 12- mounting groove; 13- gas passage; 2- fastening bolt; 21- fastening thread; 3- sealing ring; 4- fire extinguishing container valve; 41- fire extinguishing container valve gas outlet. DETAILED DESCRIPTION

[0023] The utility model is further illustrated below in combination with the drawings and examples.

[0024] As Figure 5 shown, the fastening bolt and the column of the pressure gauge connecting piece of the prior art are fixed as an integral structure, in order to ensure sealing and fixing, the fastening bolt can only be screwed to the tightest state, which determines the orientation of the pressure gauge uniquely, and in the production process of the pressure gauge, the thread cooperation needs to be adjusted manually to set the orientation of the pressure gauge, which is time-consuming and laborious and reduces the production efficiency; the manual adjustment method can cause deviation of the orientation of each pressure gauge, it is difficult to ensure that the orientations of the pressure gauges are completely consistent, which reduces the product quality and even affects use.

[0025] As Figures 1 to 4 shown, the utility model discloses a kind of gas fire extinguishing system container valve pressure gauge connecting piece, including connecting column 1, the one end of connecting column 1 is equipped with pressure gauge, the other end of connecting column 1 is communicated fire extinguishing container valve gas outlet 41, gas passage 13 that connecting column 1 inside is throughly provided is communicated pressure gauge fire extinguishing container valve gas outlet 41, the gas of gas fire extinguishing system container can be communicated with pressure gauge by gas passage 13.

[0026] Further, fastening bolt 2 is movably sleeved on the outer wall of connecting column 1, fastening bolt 2 is screw-connected with fire extinguishing container valve gas outlet 41, push part 11 corresponding to the bottom surface of fastening bolt 2 is installed on connecting column 1, and fastening bolt 2 moves to the preset position by extruding push part 11 to push connecting column 1 and lock.

[0027] In the embodiment of the utility model, the outer wall surface of the lower half of fastening bolt 2 is provided with fastening thread 21 that is screw-connected with the inner wall of fire extinguishing container valve gas outlet 41.

[0028] In the embodiment of the utility model, push part 11 is annular block or polygonal block fixedly installed on the side wall of connecting column 1. When fastening bolt 2 is screwed, the bottom of fastening bolt 2 extrudes the upper end surface of push annular block or polygonal block, so that connecting column 1 is moved to the inside of fire extinguishing container valve 4, until connecting column 1 moves to the preset position.

[0029] In the embodiment of the utility model, the surface of the top end and the bottom end of the pushing part 11 is provided with a soft buffer layer, the soft buffer layer can be a layer of foam material, rubber material or paper material, which is not limited here, the soft buffer layer material does not react chemically with the fire extinguishing gas and does not produce debris during extrusion.

[0030] In the embodiment of the utility model, the mounting groove 12 is arranged at the position close to the gas passage 13 of the valve outlet 41 of the fire extinguishing container, and the sealing ring 3 is arranged on the mounting groove 12, and the sealing ring 3 is used for sealing the connection column 1 and the valve outlet 41 of the fire extinguishing container.

[0031] In the embodiment of the utility model, the sealing ring 3 can be an O-shaped ring, and the side wall of the O-shaped ring is tightly combined with the inner wall of the fire extinguishing container valve 4 to realize sealing.

[0032] The sealing ring 3 can also be a combination of an O-shaped ring and a retaining ring, and the side wall of the O-shaped ring and the retaining ring is tightly combined with the inner wall of the fire extinguishing container valve 4 to realize sealing.

[0033] The retaining ring is arranged on the top of the O-shaped ring, and the combination of the O-shaped ring and the retaining ring can prolong the service life of the O-shaped ring.

[0034] In the embodiment of the utility model, the pressure gauge is an axial pressure gauge or a radial pressure gauge, which is not limited here.

[0035] The utility model discloses a kind of pressure gauges, and the container valve in gas fire extinguishing system is connected using the fire extinguishing container valve pressure gauge connecting piece.

[0036] The working principle of the utility model is as follows:

[0037] First, the fastening bolt 2 is lightly screwed on the container valve of the gas fire extinguishing system (not screwed to the bottom), at this time, the dial of the pressure gauge (which can be rotated by 360 degrees) is rotated until the dial of the pressure gauge is rotated to the side that is convenient for observation and maintenance, and the fastening bolt 2 is tightened with a wrench, the bottom of the fastening bolt 2 extrudes the upper end surface of the annular block or the polygonal block, thereby moving the connection column 1 into the fire extinguishing container valve 4, until the connection column 1 moves to the preset position, at this time, the sealing ring 3 is tightly combined with the inner wall of the fire extinguishing container valve 4 to ensure that the sealing does not leak, and the pressure gauge is tightly fixed and will not be rotated randomly.

[0038] If you want to adjust the orientation of the pressure gauge again, you can slightly loosen the fastening bolt 2 with a wrench (without disassembling), rotate the dial of the pressure gauge, adjust the direction of the pressure gauge to the side that is convenient for observation and maintenance, and the sealing ring 3 is tightly combined with the inner wall of the fire extinguishing container valve 4 during the rotation process, and there will be no gas leakage, and the fastening bolt 2 can be tightened with a wrench.

[0039] For those skilled in the art, according to the teachings of the present application, the changes, modifications, replacements and variations made to the embodiments without departing from the principles and spirits of the present application still fall within the protection scope of the present application.

Claims

1. A gas fire extinguishing system container valve pressure gauge connecting piece, comprising a connecting column (1), one end of the connecting column (1) is provided with a pressure gauge, the other end of the connecting column (1) is communicated with a fire extinguishing container valve gas outlet (41), a gas passage (13) for communicating the pressure gauge and the fire extinguishing container valve gas outlet (41) is provided through the inside of the connecting column (1), a fastening bolt (2) is movably sleeved on the outer wall of the connecting column (1), and the fastening bolt (2) is in threaded connection with the fire extinguishing container valve gas outlet (41), characterized in that, The connecting column (1) is provided with a push part (11) corresponding to the bottom surface of the fastening bolt (2), and the fastening bolt (2) is pushed to move the connecting column (1) to a preset position and locked by extruding the push part (11).

2. A cylinder valve pressure gauge connection for a gaseous fire extinguishing system according to claim 1, characterized in that The outer wall surface of the lower half of the fastening bolt (2) is provided with a fastening thread (21) matched with the inner wall thread of the gas outlet (41) of the fire extinguishing container valve.

3. A cylinder valve pressure gauge connection for a gas fire extinguishing system according to claim 1, characterised in that The push part (11) is a ring block or a polygon block fixedly installed on the side wall of the connecting column (1).

4. A cylinder valve pressure gauge connection for a gaseous fire extinguishing system according to claim 1, characterized in that The connecting column (1) is provided with an installation groove (12) near the gas passage (13) at the position inside the gas outlet (41) of the fire extinguishing container valve, and the installation groove (12) is installed with a sealing ring (3) for sealing the connecting column (1) and the gas outlet (41) of the fire extinguishing container valve.

5. A cylinder valve pressure gauge connection for a gaseous fire extinguishing system according to claim 4, characterized in that The sealing ring (3) is an O-ring.

6. A cylinder valve pressure gauge connection for a gas fire extinguishing system according to claim 4, characterised in that The sealing ring (3) is an O-ring and a stop ring.

7. A pressure gauge adapter for a container valve of a gas fire extinguishing system according to claim 1, characterized in that The pressure gauge is an axial pressure gauge or a radial pressure gauge.

8. A pressure gauge, characterized by The fire extinguishing container valve pressure gauge connector according to any one of claims 1-7 is used to connect the container valve in the gas fire extinguishing system.

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