CN219532395U - Static pressure experimental device for check valve - Google Patents

Abstract

The utility model discloses a static pressure experimental device for a check valve, which comprises a base, a water chamber and an air chamber, wherein the water chamber and the air chamber are both fixed on the base, through holes are formed in opposite surfaces of the water chamber and the air chamber, the check valve is arranged between the water chamber and the air chamber, two ends of the check valve are respectively and correspondingly connected with the through holes in the water chamber and the air chamber, liquid is filled in the water chamber, a movable plate is sealed at the bottom of the water chamber, a hydraulic rod is fixedly connected at the lower end of the movable plate, and an air pump is fixedly connected at the bottom of the air chamber. The utility model can optimize the procedure and difficulty of operation by opening the installation and fixing of the check valve, and simultaneously improves the observation effect, thereby better helping personnel observe the sealing condition of the check valve.

Description

Static pressure experimental device for check valve

Technical Field

The utility model relates to the technical field of valves, in particular to a static pressure experimental device for a check valve.

Background

The check valve is used as a common part of modern industrial machinery, is widely applied to various machines, and in the process of experimental test, whether the sealing performance of the check valve reaches the effect is required to be measured, and the defects of the traditional airtight test are as follows: the method is not easy to observe, such as watertight experiments, so the method is not very friendly to normalized static pressure experiments, and technicians have the defect of complicated experimental steps and effect determination in operation.

Therefore, we propose a static pressure experimental device of a check valve to solve the problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a static pressure experimental device for a check valve.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a check valve static pressure experimental apparatus, includes base and hydroecium, air chamber, hydroecium, air chamber are all fixed on the base, all are equipped with the through-hole on the opposite face of hydroecium, air chamber, are equipped with the check valve between hydroecium, the air chamber and both ends correspond with the through-hole on hydroecium, the air chamber respectively and are connected, the hydroecium intussuseption is filled with liquid, and the bottom of hydroecium is sealed with the fly leaf, fly leaf lower extreme fixedly connected with hydraulic stem, the bottom fixedly connected with air pump of air chamber.

Preferably, the housing material of the water chamber is a transparent material.

Preferably, slots are formed in the opposite end faces of the water chamber and the air chamber, inserting plates are correspondingly arranged on the slots and are in threaded connection with the one-way valves and used for communicating the one-way valves with the water chamber or the air chamber, and the inserting plates are in threaded connection with the end faces of the water chamber or the air chamber.

Preferably, a plurality of air holes are formed in the top of the water chamber, and a laser range finder is fixedly connected to the top of the water chamber.

Preferably, a floating plate is arranged in the water chamber, and floats on the liquid.

Preferably, the air outlet end of the air pump extends to the inner top of the air chamber.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the cooperation of hydroecium, air chamber and laser range finder, the kickboard that sets up to reach the difference that utilizes two kinds of temporal medium between hydroecium, the air chamber, thereby the obvious state when creating mutual interaction, be favorable to observing the sealing condition and the state of check valve, reach the effect of collecting accurate data through the accurate measurement kickboard of laser range finder simultaneously, can carry out accurate data confirmation again when convenient observation.

2. Through the cooperation of slot, the picture peg that sets up to reach and utilize external picture peg to come direct butt joint check valve, install on the slot afterwards and seal the butt joint with hydroecium, air chamber, all operations are left in the outside of equipment, thereby optimized the procedure and the degree of difficulty of operation, be convenient for install the processing.

Drawings

FIG. 1 is a schematic diagram of the external structure of an embodiment 1 of the static pressure experimental device of the check valve provided by the utility model;

FIG. 2 is a side perspective view of FIG. 1;

fig. 3 is a perspective view of example 2 of the static pressure test device for the check valve provided by the utility model.

In the figure: 1 hydroecium, 2 air chambers, 3 check valves, 4 liquid, 5 fly leaf, 6 hydraulic stem, 7 air pump, 8 slots, 9 picture peg, 10 gas pockets, 11 laser range finder, 12 floating plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

The check valve is used as a common part of modern industrial machinery, is widely applied to various machines, and in the process of experimental test, whether the sealing performance of the check valve reaches the effect is required to be measured, and the defects of the traditional airtight test are as follows: the static pressure experimental device for the check valve is difficult to observe, such as watertight experiments, is not quite friendly to normalized static pressure experiments, and a technician also has the defect of complicated experimental steps and effect determination in operation, so with reference to fig. 1-3, the scheme designs the static pressure experimental device for the check valve, the main body comprises a base, a water chamber 1 and an air chamber 2, and the traditional mode is different from the traditional test mode in that the check valve 3 is measured in a pressurized soaking mode, so that the effect is not obvious, the check valve is difficult to observe by people, data are needed for measurement or visual inspection, the original scheme is divided into two parts of the water chamber 1 and the air chamber 2, and the sealing state is demonstrated by utilizing obvious actions during medium transmission.

Specific: the water chamber 1 and the air chamber 2 are fixed on the base and are fixed, through holes are formed in opposite surfaces of the water chamber 1 and the air chamber 2, the water chamber 1 and the air chamber 2 are communicated through the one-way valve 3, the one-way valve 3 is arranged between the water chamber 1 and the air chamber 2, two ends of the water chamber 1 and the air chamber 2 are correspondingly connected with the through holes of the water chamber 1 and the air chamber 2 respectively, so that the water chamber 1 and the air chamber 2 are communicated, for better installation of the one-way valve 3, slots 8 are formed in opposite end surfaces of the water chamber 1 and the air chamber 2, the slots 8 are vertically embedded grooves, inserting plates 9 are correspondingly arranged on the slots 8, protrusions corresponding to the slots 8 are formed in the back surfaces of the inserting plates 9, the upper end ports of the slots 8 are opened, the inserting plates 9 are inserted into the slots 8 through the upper ends, and simultaneously for guaranteeing tightness, the effect of tight connection of the inserting plates 9 and the one-way valve 3 is achieved through threaded connection, holes are also formed in the inserting plates 9 so that the one-way valve 3 are correspondingly connected, the one-way valve 3 is in a threaded connection mode, and the one-way valve 3 is in a matched with a corresponding flange plate for sealing mode, so that the one-way valve 1 or the air chamber 2 is communicated, the end faces of the water chamber 9 and the two ends of the water chamber 9 are correspondingly kept in threaded connection.

In order to observe fine gap, the liquid 4 is filled in the water chamber 1, the shell material of the water chamber 1 is transparent material, so that the outside is convenient to directly observe, the bottom of the water chamber 1 is sealed with the movable plate 5, the top of the water chamber 1 is provided with a plurality of air holes 10 for balancing pressure, the top is fixedly connected with the laser range finder 11 for measuring the distance of the water surface, the water chamber 1 is internally provided with the floating plate 12, the floating plate 12 floats on the liquid 4 for assisting in measurement, the lower end of the movable plate 5 is fixedly connected with the hydraulic rod 6 for controlling the lifting of the movable plate 5, during operation, the liquid 4 is firstly lower than the one-way valve 3, after the one-way valve 3 is installed, the hydraulic rod 6 pushes the movable plate 5 to move upwards, so that the liquid 4 is gradually higher than the one-way valve 3, and after the laser range finder 11 measures the floating plate 12 on the water surface, the water chamber 1 is ready.

The bottom fixedly connected with air pump 7 of air chamber 2, air pump 7 come to pressurize and aerify air chamber 2, air chamber 2 pressure constantly increases, until the pressure value that sets for, can measure, when measuring, if check valve 3 does not have sealed effect, then can form the bubble in hydroecium 1 under the effect of gas, liquid 4 liquid level in hydroecium 1 can descend simultaneously, can judge after laser range finder 11 carries out real-time measurement, thereby the procedure and the degree of difficulty of operation have been optimized, the effect when having improved the observation simultaneously, thereby better help personnel observe the sealed condition of check valve 3.

Example 2

Because the water chamber 1 is filled with the liquid 4, the liquid 4 remains in the air chamber 2 when entering the air chamber 2, and the air pump 7 is designed at the bottom, compared with the embodiment 1, the air outlet end of the air pump 7 of the embodiment extends to the inner top of the air chamber 2, thereby preventing the liquid 4 from immersing into the air pump 7 and achieving the effect of protecting the air pump 7.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a check valve static pressure experimental apparatus, its characterized in that, including base and hydroecium (1), air chamber (2), hydroecium (1), air chamber (2) all are fixed on the base, all are equipped with the through-hole on the opposite face of hydroecium (1), air chamber (2), are equipped with check valve (3) between hydroecium (1), air chamber (2) and both ends respectively with hydroecium (1), the through-hole on air chamber (2) corresponds to be connected, the intussuseption of hydroecium (1) is filled with liquid (4), and the bottom seal of hydroecium (1) has fly leaf (5), fly leaf (5) lower extreme fixedly connected with hydraulic stem (6), the bottom fixedly connected with air pump (7) of air chamber (2).

2. The static pressure experimental device of a check valve according to claim 1, wherein the housing material of the water chamber (1) is a transparent material.

3. The static pressure experimental device of the check valve according to claim 1, wherein slots (8) are formed in opposite end surfaces of the water chamber (1) and the air chamber (2), inserting plates (9) are correspondingly arranged on the slots (8), the inserting plates (9) are in threaded connection with the check valve (3) and are used for communicating the check valve (3) with the water chamber (1) or the air chamber (2), and the inserting plates (9) are in threaded connection with the end surfaces of the water chamber (1) or the air chamber (2).

4. The static pressure experimental device of the check valve according to claim 1, wherein a plurality of air holes (10) are formed in the top of the water chamber (1), and a laser range finder (11) is fixedly connected to the top.

5. The static pressure experimental device of the check valve according to claim 4, wherein a floating plate (12) is arranged in the water chamber (1), and the floating plate (12) floats on the liquid (4).

6. The static pressure experimental device of the check valve according to claim 1, wherein the air outlet end of the air pump (7) extends to the inner top of the air chamber (2).