JP2000055763A - Mounting structure of indicating manometer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To decide the direction of a manometer for easily fixing without using a flat packing with different thickness by mounting the mounting part of an indicating manometer to the hole of a member to be mounted using a taper thread. SOLUTION: When a mounting part 5 of an indicating manometer 4 is screwed into a taper thread hole 3 of a manometer fixing part 2 of a valve case 1 by a taper thread 6, the direction of the indicating manometer 4 can be stopped at a fixed position since width exists at the fixed position, namely, a position that can be firmly fixed, thus preventing pressure leakage by the firm fixing at the stop position, and also eliminating the need for a flat packing with different thickness. In screwing, liquid packing, seal agent, or the like is preferably applied to the taper thread 6 as a measure against pressure leakage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure gauge type fire extinguisher and a mounting structure of an indicating pressure gauge for checking pressure in a container in a fire extinguisher.

[0002]

The conventional indicating pressure gauge is
Since the mounting part is attached to the screw hole of the member to be mounted with a straight screw, the direction of the indicating pressure gauge in the fixed state is not constant, and therefore, a flat packing with different thickness is selectively inserted between the two. It is oriented and fixed so that pressure leakage does not occur by taking measures.

[0003]

In the mounting structure of the indicating pressure gauge according to the present invention, the mounting portion of the indicating pressure gauge is mounted to the screw hole of the member to be mounted by using a tapered screw. Since there is a width at the fixed position, the direction can be determined and fixed easily without using flat packing of different thickness.

[0004]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 One embodiment of the present invention will be described with reference to FIG. In the drawing, reference numeral 1 denotes a valve case in an accumulator type fire extinguisher, 2 denotes a pressure gauge fixing portion (attached member) formed in the valve case 1, 3 denotes a tapered screw hole formed in the pressure gauge fixing portion 2, and 4 denotes an indicating pressure gauge. Reference numeral 5 denotes a mounting portion protruding from the indicating pressure gauge 4, and reference numeral 6 denotes a tapered screw formed on the outer periphery of the mounting portion 5.

[0005] When the mounting portion 5 of the indicating pressure gauge 4 is screwed into the tapered screw hole 3 of the pressure gauge fixing portion 2 of the valve case 1 with the tapered screw 6 as described above, the mounting position is widened at the fixed position, that is, at a position where it can be firmly fixed. Because of the width, it can be stopped at a position where the direction of the indicating pressure gauge 4 is determined. Therefore, there is no need to worry about pressure leakage because the fixing is firmly fixed at this stop position, and, of course, the need for a conventional flat packing having a different thickness is eliminated.

When the screw is inserted, the tapered screw 6
If a liquid packing, a sealant, or the like is applied to the portion, a more thorough countermeasure against pressure leakage can be obtained.

Embodiment 2 In the first embodiment, the screw hole of the pressure gauge fixing portion 2 of the valve case 1 is a tapered screw hole 3. However, the screw hole may be a straight screw hole as in the related art. The same effect can be obtained.

In the above description, the mounting structure of the indicating pressure gauge of the pressure accumulating type fire extinguisher has been described. However, the same effect can be obtained by the mounting structure of the indicating pressure gauge for confirming the pressure in the container in the fire extinguisher. Of course.

[0009]

As described above, according to the present invention, the mounting portion of the indicating pressure gauge is mounted to the screw hole of the member to be mounted by using the tapered screw, so that the width of the mounting portion is reduced to the fixed position where no pressure leakage occurs. Therefore, there is an effect that the direction can be determined and fixed easily without using flat packings having different thicknesses.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view showing a first embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Valve case 2 Pressure gauge fixing part 3 Tapered screw hole 4 Indicating pressure gauge 5 Mounting part 6 Tapered screw

Claims (2)

[Claims] 1. A mounting structure for an indicating pressure gauge, wherein a mounting portion of the indicating pressure gauge is mounted to a screw hole of a member to be mounted using a tapered screw. 2. The mounting structure for an indicating pressure gauge according to claim 1, wherein a liquid packing, a sealant, or the like is applied to the screw portion when the screw is screwed.