Equipment pressure test device protected by dust ignition prevention shell

Abstract

The utility model belongs to the technical field of test devices, and particularly relates to an equipment pressure test device protected by a dust ignition prevention shell, which comprises a gas pressure regulation chamber, an extension rod is fixedly connected to the end part of the gas pressure regulation chamber, and a gas inlet nozzle is fixedly arranged in the gas pressure regulation chamber. An air inlet valve is connected to the interior of the air pressure adjusting chamber through threads, a pressure gauge adapter is fixedly installed in the air pressure adjusting chamber, an air pressure adjusting valve is fixedly installed in the air pressure adjusting chamber, and a handle is fixedly installed on the air pressure adjusting chamber through a pin shaft. According to the utility model, the gas pressure regulating chamber is used as a carrier, the gas inlet valve and the gas pressure regulating valve can be used for controlling the pressure and pressure relief of the test gas, the safety and reliability of the test are ensured, the pressure gauge adapter can be connected with a pressure gauge with a corresponding measuring range, the test pressure is ensured to be a required value, and the explosion-proof standard requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field, concretely is a kind of equipment pressure test device protected by dustproof ignition shell. BACKGROUND

[0002] In recent years, the continuous development of coal, petroleum, chemical industry and other fields in China, the demand for explosion-proof electrical equipment increases day by day. Among them, the equipment protected by dustproof ignition shell is one of the important types of explosion-proof electrical equipment. But the existing test device has the limitations of inconvenient operation and low safety and reliability. UTILITY MODEL CONTENT

[0003] The utility model discloses a kind of equipment pressure test device protected by dustproof ignition shell, solve the problem of the limitations of inconvenient operation and low safety and reliability of current existing test device.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of equipment pressure test device protected by dustproof ignition shell, including gas pressure adjusting chamber, the end of the gas pressure adjusting chamber is fixedly connected with extension rod, the inside of the gas pressure adjusting chamber is fixedly installed with inlet nozzle, the inside of the gas pressure adjusting chamber is connected with inlet valve by screw thread, the inside of the gas pressure adjusting chamber is fixedly installed with pressure gauge adapter, the inside of the gas pressure adjusting chamber is fixedly installed with gas pressure regulating valve, the gas pressure adjusting chamber is fixedly installed with handle on through pin shaft.

[0005] The utility model has the advantages that:

[0006] The utility model is with gas pressure adjusting chamber as carrier, can control test gas pressure size and pressure relief by inlet valve and gas pressure regulating valve, guarantee the safety and reliability of test, simultaneously, the pressure gauge adapter can be connected with corresponding range pressure gauge, guarantee test pressure to be required value, meet the requirement of explosion-proof standard. DRAWING DESCRIPTION

[0007] Figure 1 It is the overall structure perspective of the utility model;

[0008] Figure 2 It is the schematic view of the utility model Figure 1 .

[0009] In the drawing: 1, gas pressure adjusting chamber;2, extension rod;3, inlet nozzle;4, inlet valve;5, pressure gauge adapter;6, gas pressure regulating valve;7, handle. DETAILED DESCRIPTION

[0010] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0011] Please refer to Figures 1-2 The utility model provides a device pressure test device by dustproof ignition shell protection, including gas pressure adjusting chamber 1, the end fixedly connected with extension bar 2 of gas pressure adjusting chamber 1, the inside fixed mounting of gas pressure adjusting chamber 1 has air inlet 3, the inside screw thread connection of gas pressure adjusting chamber 1 has air inlet valve 4, the inside fixed mounting of gas pressure adjusting chamber 1 has pressure gauge adapter 5, the inside fixed mounting of gas pressure adjusting chamber 1 has gas pressure regulating valve 6, gas pressure adjusting chamber 1 is fixedly installed with handle 7 through pin shaft on.

[0012] The utility model specific implementation process is as follows: the device works through the hose connection to the gas source, the hose is fixed on air inlet 3 through the clamp, and the pressure gauge adapter 5 is connected to the corresponding range pressure gauge during work, the pressure value (2000Pa or 4000Pa) required by test is displayed, the internal pressure of gas pressure adjusting chamber 1 is introduced into the sample inside the equipment to be tested along the extension bar 2, and the gas pressure adjusting chamber 1 internal pressure fine adjustment can be realized by rotating the gas pressure regulating valve 6 knob, when the test is finished, the internal pressure of gas pressure adjusting chamber 1, extension bar 2 and the equipment to be tested sample can be quickly released, by taking gas pressure adjusting chamber 1 as the carrier, the test gas pressure size and pressure relief can be controlled through air inlet valve 4 and gas pressure regulating valve 6, the safety and reliability of test are ensured, at the same time, the pressure gauge adapter 5 can be connected to the corresponding range pressure gauge, the test pressure is ensured to be the required value, and the explosion-proof standard requirement is met.

[0013] 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 pressure testing device for equipment protected by a dust-proof ignition-proof outer shell, comprising a gas pressure regulating chamber (1), characterized in that: An extension rod (2) is fixedly connected to the end of the gas pressure regulating chamber (1). An air inlet (3) is fixedly installed inside the gas pressure regulating chamber (1). An air inlet valve (4) is threadedly connected inside the gas pressure regulating chamber (1). A pressure gauge adapter (5) is fixedly installed inside the gas pressure regulating chamber (1). A gas pressure regulating valve (6) is fixedly installed inside the gas pressure regulating chamber (1). A handle (7) is fixedly installed on the gas pressure regulating chamber (1) via a pin.

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