Gas pressurizing device for water meter detection

Abstract

The gas pressing device comprises a base, a protection box is fixedly installed on the top of the base through a support, a hollow frame is connected to the upper portion in the protection box in a sliding mode, and the top of the hollow frame is communicated with a gas inlet pipe. The water meter lower connector to be detected is placed on the inner side of the lower sleeve, the annular grip is rotated to drive the limiting sleeve to descend, the sealing ring can be jacked upwards after the water meter upper connector moves into the limiting sleeve, and the water meter can be extruded and sealed after the sealing ring moves to the position above the air outlet. According to the water meter pressure testing device, the hollow frame is arranged, then gas can be conveyed into the hollow frame through the gas inlet pipe, then the pressure testing effect on the water meter is achieved, gas can be prevented from flowing out of the unused limiting sleeve through the gas outlet and the sealing ring, the effect that any number of water meters can be detected at the same time is achieved, and the detection efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water meter detection, in particular to a gas pressure device for water meter detection. Background Art

[0002] Water meter testing refers to a comprehensive inspection of the metering performance of water meters through a series of methods and steps to determine whether they are qualified. This process includes theoretical calculations, experiments, comparisons and other aspects, aiming to ensure the accuracy and reliability of water meters, thereby ensuring the accuracy of water fee collection and the safety of water supply facility operation. At present, water meters often need to be pressure tested after production;

[0003] At present, when conducting pressure testing on low water meters, it is necessary to manually fix the upper and lower joints of the water meter respectively, which is very troublesome and labor-intensive. In addition, it is inconvenient to test multiple water meters at the same time during testing, which affects the testing efficiency and thus reduces the production efficiency. Therefore, it is necessary to design a gas pressure testing device for efficient water meter testing to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a gas pressure device for water meter detection to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas pressure device for water meter detection, comprising a base, a protection box is fixedly installed on the top of the base through a bracket, a hollow frame is slidably connected to the upper part of the protection box, the top of the hollow frame is connected to an air intake pipe, and the top end of the air intake pipe passes through the protection box and extends to the outside of the protection box;

[0006] The bottom of the hollow frame is connected to an air guide column, and a plurality of air guide columns are provided. Air outlets are provided on both sides of the air guide column. A limiting sleeve used in conjunction with the air guide column is fixedly installed on the bottom of the hollow frame. A sealing ring is slidably connected to the inner side of the limiting sleeve and located on the surface of the air guide column. A downward pressing mechanism used in conjunction with the hollow frame is provided on the top of the protective box.

[0007] Preferably, the pressing mechanism comprises a threaded barrel, the bottom end of which passes through the protective box and extends to the interior of the protective box, the internal threads of the threaded barrel are connected to a threaded rod, and the bottom end of the threaded rod is fixedly connected to the top of the hollow frame.

[0008] Preferably, the bottom of the protective box is connected to an exhaust pipe, and there are several exhaust pipes. The bottom of the inner cavity of the protective box is fixedly mounted with a lower sleeve used in conjunction with the exhaust pipe, and there are several lower sleeves. A solenoid valve is provided on the surface of the exhaust pipe.

[0009] Preferably, a partition is fixedly mounted on the bottom of the hollow frame, and a plurality of partitions are provided, and a movable opening for use in conjunction with the partition is provided at the bottom of the inner cavity of the protection box.

[0010] Preferably, an annular handle is fixedly mounted on the surface of the threaded barrel.

[0011] Preferably, an observation glass plate is hinged on the surface of the protection box via a hinge.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The gas pressure device for detecting the water meter places the lower joint of the water meter to be detected on the inner side of the lower sleeve and rotates the annular handle. The rotation of the annular handle drives the limit sleeve to descend. After the upper joint of the water meter moves to the inside of the limit sleeve, the sealing ring can be pushed upward. After the sealing ring moves to the top of the air outlet, the water meter can be squeezed and sealed. Then, gas can be supplied to the inside of the hollow frame through the air inlet pipe, thereby achieving the effect of pressure testing the water meter. In addition, by providing the air outlet and the sealing ring, the gas can be prevented from flowing out from the unused limit sleeve, thereby achieving the effect of simultaneously detecting any number of water meters and improving the detection efficiency.

[0014] 2. The gas pressure device for water meter detection is provided with a partition and an observation glass plate to protect people during the detection process. At the same time, the partition can protect the adjacent water meters, thereby improving the safety of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the protective box, limiting sleeve and threaded barrel structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the hollow frame, air intake pipe and air guide column of the utility model;

[0018] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle;

[0019] Figure 5 This is a schematic diagram of the exhaust pipe, lower sleeve and solenoid valve structure of the utility model.

[0020] In the figure: 1. base; 2. protective box; 3. threaded cylinder; 4. threaded rod; 5. hollow frame; 6. air inlet pipe; 7. air guide column; 8. air outlet; 9. limiting sleeve; 10. sealing ring; 11. exhaust pipe; 12. lower sleeve; 13. solenoid valve; 14. partition; 15. movable port; 16. ring handle; 17. observation glass plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] Please refer to Figure 1-5 As shown, the utility model provides a gas pressure device for water meter detection, including a base 1, a protection box 2 is fixedly installed on the top of the base 1 through a bracket, a rubber material is provided at the bottom of the inner cavity of the protection box 2, a hollow frame 5 is slidably connected to the upper part of the inside of the protection box 2, and an air inlet pipe 6 is connected to the top of the hollow frame 5, and the top of the air inlet pipe 6 passes through the protection box 2 and extends to the outside of the protection box 2;

[0024] Specifically, the bottom of the hollow frame 5 is connected with an air guide column 7, and a plurality of air guide columns 7 are provided, and air outlets 8 are provided on both sides of the air guide column 7. A limiting sleeve 9 used in conjunction with the air guide column 7 is fixedly installed at the bottom of the hollow frame 5. A sealing ring 10 is slidably connected to the inner side of the limiting sleeve 9 and located on the surface of the air guide column 7. The sealing ring 10 is made of a metal material with a large mass, and the bottom of the sealing ring 10 is set to a rubber material. A pressing mechanism used in conjunction with the hollow frame 5 is provided on the top of the protective box 2. The structure includes a threaded barrel 3, the bottom end of the threaded barrel 3 passes through the protection box 2 and extends to the inside of the protection box 2, the internal thread of the threaded barrel 3 is connected with a threaded rod 4, the bottom end of the threaded rod 4 is fixedly connected to the top of the hollow frame 5, the bottom of the protection box 2 is connected with an exhaust pipe 11, and the exhaust pipe 11 is provided with a plurality of them, the bottom of the inner cavity of the protection box 2 is fixedly installed with a lower sleeve 12 used in conjunction with the exhaust pipe 11, and the lower sleeve 12 is provided with a plurality of them, and the surface of the exhaust pipe 11 is provided with a solenoid valve 13, by setting the air guide Column 7 and by placing the lower joint of the water meter to be tested on the inner side of the lower sleeve 12, and aligning its upper joint with the opening at the bottom of the limiting sleeve 9, then rotating the threaded cylinder 3, the threaded cylinder 3 rotates to drive the threaded rod 4 to descend, the threaded rod 4 rotates to drive the hollow frame 5 to descend, the hollow frame 5 descends and drives the limiting sleeve 9 to descend, after the upper joint of the water meter moves to the inside of the limiting sleeve 9, the sealing ring 10 can be pushed up, and after the sealing ring 10 moves to the top of the air outlet 8, the bottom of the sealing ring 10 and the bottom of the inner cavity of the protective box 2 can be aligned. The upper joint and the lower joint of the water meter are squeezed and sealed, and then gas can be supplied to the inside of the hollow frame 5 through the air inlet pipe 6, so that the gas enters the upper joint of the water meter through the hollow frame 5, the air guide column 7 and the air outlet 8, thereby achieving the effect of pressure testing the water meter. At the same time, the interior of the limiting sleeve 9 that is not inserted into the upper joint can be sealed by the limiting sleeve 9 and the sealing ring 10 to the bottom of the limiting sleeve 9, so as to prevent the air flow from escaping, thereby achieving the effect of testing any number of water meters at the same time, thereby improving the detection efficiency.

[0025] Specifically, a partition 14 is fixedly installed at the bottom of the hollow frame 5, and a plurality of partitions 14 are provided. A movable opening 15 for use with the partition 14 is opened at the bottom of the inner cavity of the protection box 2. An observation glass plate 17 is hinged on the surface of the protection box 2 through a hinge. By arranging the partition 14 and the observation glass plate 17, the effect of protecting people during the detection process can be achieved. At the same time, the partition 14 can protect the adjacent water meter, thereby improving the safety of use.

[0026] Wherein: an annular handle 16 is fixedly installed on the surface of the threaded barrel 3, and the annular handle 16 can be provided to facilitate the rotation of the threaded barrel 3.

[0027] Working principle: The utility model is a gas pressure device for water meter detection. The lower joint of the water meter to be detected is placed on the inner side of the lower sleeve 12, and the upper joint is aligned with the opening at the bottom of the limiting sleeve 9, and then the annular grip 16 is rotated. The rotation of the annular grip 16 drives the threaded tube 3 to rotate, and the rotation of the threaded tube 3 drives the threaded rod 4 to descend. The rotation of the threaded rod 4 drives the hollow frame 5 to descend, and the descent of the hollow frame 5 drives the limiting sleeve 9 to descend. After the upper joint of the water meter moves to the inside of the limiting sleeve 9, the sealing ring 10 can be pushed up. After the sealing ring 10 moves to the top of the air outlet 8, the bottom of the sealing ring 10 and the bottom of the inner cavity of the protective box 2 can squeeze and seal the upper joint and the lower joint of the water meter, and then gas can be supplied to the inside of the hollow frame 5 through the air inlet pipe 6. The gas is allowed to enter the upper joint of the water meter through the hollow frame 5, the air guide column 7 and the air outlet 8, thereby achieving the effect of pressure testing the water meter. At the same time, the interior of the limiting sleeve 9 that is not inserted into the upper joint can be sealed by the limiting sleeve 9 and the sealing ring 10 to the bottom of the limiting sleeve 9, so as to prevent the airflow from escaping, thereby achieving the effect of simultaneously testing any number of water meters, thereby improving the detection efficiency. After the detection, the solenoid valve 13 on the surface of the corresponding exhaust pipe 11 can be opened to discharge the gas in the water meter through the exhaust pipe 11, and the partition 14 and the observation glass plate 17 can be set to protect people during the detection process. At the same time, the partition 14 can protect adjacent water meters, thereby improving the safety of use.

[0028] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas pressure device for water meter detection, comprising a base (1), characterized in that: A protection box (2) is fixedly mounted on the top of the base (1) via a bracket, a hollow frame (5) is slidably connected to the top of the inside of the protection box (2), an air intake pipe (6) is connected to the top of the hollow frame (5), and the top end of the air intake pipe (6) passes through the protection box (2) and extends to the outside of the protection box (2); The bottom of the hollow frame (5) is connected to an air guide column (7), and a plurality of air guide columns (7) are provided. Air outlets (8) are provided on both sides of the air guide column (7). A limiting sleeve (9) for use in conjunction with the air guide column (7) is fixedly installed at the bottom of the hollow frame (5). A sealing ring (10) is slidably connected to the inner side of the limiting sleeve (9) and located on the surface of the air guide column (7). A downward pressing mechanism for use in conjunction with the hollow frame (5) is provided at the top of the protective box (2).

2. A gas pressure device for water meter detection according to claim 1, characterized in that: The pressing mechanism comprises a threaded barrel (3), the bottom end of which passes through the protective box (2) and extends into the interior of the protective box (2), the internal thread of the threaded barrel (3) being connected to a threaded rod (4), the bottom end of which is fixedly connected to the top of the hollow frame (5).

3. The gas pressure device for water meter detection according to claim 1, characterized in that: The bottom of the protection box (2) is connected to an exhaust pipe (11), and a plurality of exhaust pipes (11) are provided. A lower sleeve (12) for use with the exhaust pipe (11) is fixedly installed at the bottom of the inner cavity of the protection box (2), and a plurality of lower sleeves (12) are provided. A solenoid valve (13) is provided on the surface of the exhaust pipe (11).

4. The gas pressure device for water meter detection according to claim 1, characterized in that: A partition (14) is fixedly mounted on the bottom of the hollow frame (5), and a plurality of partitions (14) are provided. A movable opening (15) for use in conjunction with the partition (14) is provided at the bottom of the inner cavity of the protection box (2).

5. The gas pressure device for water meter detection according to claim 2, characterized in that: An annular handle (16) is fixedly mounted on the surface of the threaded barrel (3).

6. The gas pressure device for water meter detection according to claim 1, characterized in that: An observation glass plate (17) is hingedly connected to the surface of the protection box (2) via a hinge.

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