A water meter metering verification device and its method

Abstract

The present invention relates to the technical field of water meter metering, and discloses a water meter metering verification device and method thereof, including a connecting pipe. The top of the connecting pipe is communicated with a water meter. A sealing cover is hinged to the inner wall of the water meter. An installation plate is fixedly connected to the surface of the connecting pipe. A round hole rod is fixedly connected to the surface of the installation plate. A metering pipe is arranged at one end of the connecting pipe away from the round hole rod. A verification frame is slidably connected to the surface of the metering pipe. A bottom plate is fixedly connected to the bottom of the verification frame. In the present invention, the connecting pipe is installed at the end of the metering pipe through an installation component. Water is injected into the interior of the connecting pipe through the metering pipe to verify the water meter. The fixing component can adjust the installation component, and the installation component is used to install and disassemble the connecting pipe, improving the convenience of the connection between the connecting pipe and the metering pipe during verification installation. A stabilizing component is arranged at the end of the installation component, and the stabilizing component can improve the tightness after the connection between the connecting pipe and the metering pipe is installed.

Description

Technical Field

[0001] The present invention relates to the technical field of water meter measurement, and particularly to a water meter measurement verification device and method thereof. Background Art

[0002] A water meter is an instrument for measuring water flow, mostly for cumulative water flow measurement. Generally, it is divided into two categories: volumetric water meters and velocity water meters. It originated in the UK, and the development of water meters has a history of nearly two hundred years. When selecting the specification of a water meter, the size and flow range of the flow rate usually used should be estimated first, and then the water meter with the specification whose normal flow rate is closest to this value should be selected as the first choice;

[0003] The water meters used in life need to be disassembled and verified regularly to avoid inaccurate measurement when in use. Currently, water meters are generally installed at the end of a water pipe through screws. The screws are exposed to the outside for a long time, which will cause rust on the surface. The rust will fall off when the screws are disassembled. When the rust separates from the screws, the fit between the screws and the wrench will deviate, resulting in the situation of slipping threads, thus making the disassembly and assembly of the water meter very troublesome during measurement verification. Summary of the Invention

[0004] The purpose of the present invention is to provide a water meter measurement verification device and method thereof to solve the problems raised in the above background art.

[0005] To solve the above technical problems, the present invention is realized through the following technical solutions:

[0006] The present invention is a water meter measurement verification device and method thereof, including a connecting pipe. The top of the connecting pipe is communicated with a water meter. A sealing cover is hinged to the inner wall of the water meter. An installation disk is fixedly connected to the surface of the connecting pipe. A round hole rod is fixedly connected to the surface of the installation disk. A metering pipe is arranged at one end of the connecting pipe away from the round hole rod. A verification frame is slidably connected to the surface of the metering pipe. A bottom plate is fixedly connected to the bottom of the verification frame. It further includes:

[0007] An installation component, the installation component includes a sliding rod, the surface of the sliding rod is slidably connected to the inner wall of the round hole rod, and a synchronous ring is fixedly connected to one end of the sliding rod away from the round hole rod;

[0008] A fixing component, the fixing component includes a groove, the groove is opened on the surface of the sliding rod, a shaft rod is fixedly connected to the inner wall of the groove, an extrusion plate is sleeved on the surface of the shaft rod, a limiting hole is opened in the inner wall of the sliding rod, an elastic sheet is fixedly connected to the inner wall of the limiting hole, and one end of the elastic sheet away from the limiting hole is fixedly connected to the extrusion plate;

[0009] A stabilizing component, the stabilizing component includes a positioning ring, the inner wall of the positioning ring is fixedly connected to the surface of the round hole rod, a bent plate is fixedly connected to the surface of the positioning ring, and an elastic rod is fixedly connected to the surface of the bent plate.

[0010] Further, the installation component includes a telescopic rod, the end of the telescopic rod is fixedly connected to the surface of the synchronous ring, a clamping groove is opened at one end of the installation disk away from the connecting pipe, a sealing ring is clamped on the inner wall of the clamping groove, and a sealing pad is fixedly connected to the surface of the sealing ring;

[0011] Four sliding rods are arranged on the surface of the synchronous ring, and the four sliding rods are arranged in a circumferential manner with the synchronous ring as the center.

[0012] Further, one end of the sealing ring away from the clamping groove extends to the outer end of the clamping groove, the surface of the sealing pad contacts the surface of the installation disk, one ends of the sealing pad and the sealing ring away from the installation disk contact the surface of the metering pipe, and the number of the telescopic rods is three.

[0013] Further, the fixing component includes a positioning frame, the positioning frame is fixedly connected to the surface of the connecting pipe, a threaded telescopic rod is slidably connected to the inner wall of the positioning frame, a sliding block is fixedly connected to the end of the threaded telescopic rod, and a sliding hole frame is slidably connected to the surface of the sliding block;

[0014] One end of the sliding hole frame away from the sliding block is fixedly connected to the synchronous ring, and an adjusting frame is fixedly connected to the surface of the threaded telescopic rod.

[0015] Further, the limiting hole communicates with the groove, the shaft rod is located at one end of the pressing plate away from the elastic piece, a gap is provided between the surface of the pressing plate and the inner wall of the groove, and the groove is located at one end of the sliding rod away from the synchronous ring.

[0016] Further, the surface of the pressing plate contacts the inner wall of the round hole rod, the positioning frame is located on the lower surface of the connecting pipe, the adjusting frame is located at the center of the surface of the threaded telescopic rod, and the threaded telescopic rod and the three telescopic rods are symmetrically arranged in a circumferential manner with the synchronous ring as the center.

[0017] Further, the stabilizing component includes a semi-circular frame, the surface of the semi-circular frame is fixedly connected to the telescopic end of the elastic rod, a telescopic plate is hinged to the surface of the bent plate, one end of the telescopic plate away from the bent plate is hinged to the surface of the semi-circular frame, and an elastic rod is hinged to the surface of the telescopic plate;

[0018] One end of the elastic rod away from the telescopic plate is hinged to the surface of the sliding rod, and a through hole is opened on the surface of the bent plate.

[0019] Further, one end of the elastic rod away from the telescopic plate extends to the outer end of the bent plate through the through hole. The top of the inner wall of the semi-circular frame contacts the surface of the mounting plate, and the inner wall of the semi-circular frame contacts the surface of the metering pipe.

[0020] Further, a method for a water meter metering verification device includes the following steps:

[0021] S1: The connecting pipe is installed at the end of the metering pipe through the mounting component. Water is injected into the interior of the connecting pipe through the metering pipe to verify the water meter. The fixing component can adjust the mounting component, and the mounting component is used to install and disassemble the connecting pipe.

[0022] S2: When the fixing component pushes the sliding rod to retract, the sliding rod will fix the connecting pipe through the fixing component, improving the stability when the connecting pipe is installed at the end of the metering pipe and avoiding the situation of the screw slipping when using the screw to fix.

[0023] S3: When the end of the sliding rod moves to the outer end of the metering pipe, the pressing plate will move towards the outer end of the groove by the elasticity of the elastic sheet. When the sliding rod moves into the interior of the round hole rod, the pressing plate will contact the surface of the metering pipe.

[0024] S4: When the telescopic plate moves downward, it pushes the semi-circular frame to contact the surface of the mounting plate, and the inner wall of the semi-circular frame will also contact the surface of the metering pipe to squeeze the metering pipe, improving the tightness between the metering pipe and the connecting pipe by the pressure of the semi-circular frame.

[0025] The present invention has the following beneficial effects:

[0026] In the present invention, the connecting pipe is installed at the end of the metering pipe through the mounting component. Water is injected into the interior of the connecting pipe through the metering pipe to verify the water meter. The fixing component can adjust the mounting component, and the mounting component is used to install and disassemble the connecting pipe, improving the convenience of the connecting pipe and the metering pipe during verification installation. A stabilizing component is provided at the end of the mounting component, and the stabilizing component can improve the tightness after the connecting pipe and the metering pipe are installed, avoiding the situation of water leakage during the metering verification of the water meter, resulting in inaccurate verification results.

[0027] When the twisting and fixing component of the present invention starts to operate, the fixing component can push the synchronous ring towards the outer end of the connecting pipe, and use the telescopic rod to limit the synchronous ring, improving the stability of the synchronous ring during movement. When the synchronous ring moves, it pushes the sliding rod to move inside the round hole rod and reaches the outer end of the metering pipe. When the fixing component pushes the sliding rod to retract, the sliding rod will fix the connecting pipe through the fixing component, improving the stability when the connecting pipe is installed at the end of the metering pipe, and avoiding the situation of screw thread slipping when using a screw to fix the screw. A sealing ring and a gasket are provided at the end of the mounting plate. The connecting pipe can squeeze the end of the metering pipe through the gasket, thereby improving the sealing performance between the connecting pipe and the metering pipe.

[0028] The present invention twists the center of the threaded telescopic rod through the adjusting frame. When the center of the threaded telescopic rod rotates, it will push both ends to extend outwards. During the extension, through the connection between the sliding block and the sliding hole frame, it pushes the synchronous ring towards the outer end of the connecting pipe, thereby achieving the purpose of installing and disassembling the connecting pipe. When the end of the sliding rod moves to the outer end of the metering pipe, the pressing plate will move towards the outer end of the groove by using the elasticity of the elastic sheet. When the sliding rod moves inside the round hole rod, the pressing plate will contact the surface of the metering pipe and squeeze the metering pipe, so that the metering pipe can closely fit on the surface of the gasket and communicate with the connecting pipe, further improving the convenience of the connecting pipe during verification and installation. When the threaded telescopic rod has problems, the threaded telescopic rod can be taken out through the sliding block, avoiding the threaded telescopic rod from affecting the disassembly of the water meter.

[0029] When the sliding rod of the present invention retracts, it will pull the telescopic plate downwards through the elastic rod. When the telescopic plate moves downwards, it pushes the semi-circular frame to contact the surface of the mounting plate, and the inner wall of the semi-circular frame will also contact the surface of the metering pipe to squeeze the metering pipe, using the pressure of the semi-circular frame to improve the tightness between the metering pipe and the connecting pipe. When the sliding rod moves inside the round hole rod, it will push the semi-circular frame to separate from the metering pipe, avoiding affecting the verification, installation and disassembly of the water meter.

[0030] Of course, it is not necessary for any product implementing the present invention to simultaneously achieve all the above-mentioned advantages. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0032] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0033] Figure 2Schematic diagram of the connecting pipe structure of the present invention;

[0034] Figure 3 Schematic diagram of the structure of the present invention;

[0035] Figure 4 Schematic diagram of the overall structure of the installation component of the present invention;

[0036] Figure 5 Schematic diagram of the overall structure of the fixing component of the present invention;

[0037] Figure 6 For the present invention Figure 5 Enlarged schematic diagram of part A;

[0038] Figure 7 Schematic diagram of the overall structure of the stabilizing component of the present invention;

[0039] Figure 8 For the present invention Figure 7 Enlarged schematic diagram of part B;

[0040] Figure 9 Schematic diagram of the process structure of the present invention.

[0041] In the attached drawings, the list of components represented by each label is as follows:

[0042] In the figure: 1, connecting pipe; 2, bottom plate; 3, metering pipe; 4, calibration rack; 5, water meter; 6, sealing cover; 7, installation plate; 8, round hole rod; 9, installation component; 10, fixing component; 11, stabilizing component; 20, card slot; 21, sealing ring; 22, telescopic rod; 23, synchronous ring; 24, sliding rod; 25, sealing gasket; 30, positioning frame; 31, threaded telescopic rod; 32, adjusting frame; 33, sliding block; 34, sliding hole frame; 35, groove; 36, shaft rod; 37, limiting hole; 38, elastic sheet; 39, pressing plate; 40, positioning ring; 41, telescopic plate; 42, semi-circular frame; 43, bent plate; 44, elastic rod; 45, elastic bar; 46, through hole. Detailed implementation manners

[0043] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0044] Please refer to Figures 1-9As shown in the figure, the present invention is a water meter metering verification device and method, including a connecting pipe 1. The top of the connecting pipe 1 is communicated with a water meter 5. A sealing cover 6 is hinged on the inner wall of the water meter 5. An installation plate 7 is fixedly connected to the surface of the connecting pipe 1. A round hole rod 8 is fixedly connected to the surface of the installation plate 7. A metering pipe 3 is arranged at one end of the connecting pipe 1 away from the round hole rod 8. A verification frame 4 is slidably connected to the surface of the metering pipe 3. In the present invention, the connecting pipe 1 is installed at the end of the metering pipe 3 through an installation component 9. The water meter 5 is verified by injecting water into the connecting pipe 1 through the metering pipe 3. A fixing component 10 can adjust the installation component 9. The connecting pipe 1 is installed and disassembled by using the installation component 9, improving the convenience of the verification installation of the connecting pipe 1 and the metering pipe 3. A stabilizing component 11 is arranged at the end of the installation component 9. The stabilizing component 11 can improve the tightness after the connecting pipe 1 and the metering pipe 3 are installed, avoiding the inaccurate verification result caused by water leakage during the metering verification of the water meter 5. The bottom of the verification frame 4 is fixedly connected with a bottom plate 2. It also includes:

[0045] An installation component 9, the installation component 9 includes a sliding rod 24. The surface of the sliding rod 24 is slidably connected with the inner wall of the round hole rod 8. One end of the sliding rod 24 away from the round hole rod 8 is fixedly connected with a synchronous ring 23;

[0046] A fixing component 10, the fixing component 10 includes a groove 35. The groove 35 is opened on the surface of the sliding rod 24. A shaft rod 36 is fixedly connected to the inner wall of the groove 35. An extrusion plate 39 is sleeved on the surface of the shaft rod 36. A limiting hole 37 is opened in the inner wall of the sliding rod 24. A elastic piece 38 is fixedly connected to the inner wall of the limiting hole 37. One end of the elastic piece 38 away from the limiting hole 37 is fixedly connected with the extrusion plate 39;

[0047] A stabilizing component 11, the stabilizing component 11 includes a positioning ring 40. The inner wall of the positioning ring 40 is fixedly connected with the surface of the round hole rod 8. A bent plate 43 is fixedly connected to the surface of the positioning ring 40. A elastic rod 44 is fixedly connected to the surface of the bent plate 43.

[0048] The installation component 9 includes a telescopic rod 22. The end of the telescopic rod 22 is fixedly connected with the surface of the synchronous ring 23. A clamping groove 20 is opened at one end of the installation plate 7 away from the connecting pipe 1. A sealing ring 21 is clamped in the inner wall of the clamping groove 20. A sealing gasket 25 is fixedly connected to the surface of the sealing ring 21;

[0049] Four sliding rods 24 are arranged on the surface of the synchronous ring 23. When the twisting fixing component 10 of the present invention starts to operate, the fixing component 10 can push the synchronous ring 23 to move towards the outer end of the connecting pipe 1, and the telescopic rod 22 is used to limit the synchronous ring 23 to improve the stability of the synchronous ring 23 during movement. When the synchronous ring 23 moves, it pushes the sliding rod 24 to move inside the round hole rod 8 and moves to the outer end of the metering pipe 3. When the fixing component 10 pushes the sliding rod 24 to retract, the sliding rod 24 will fix the connecting pipe 1 through the fixing component 10, improving the stability when the connecting pipe 1 is installed at the end of the metering pipe 3 and avoiding the situation of thread slipping when using a screw to fix the screw. A sealing ring 21 and a gasket 25 are arranged at the end of the mounting disc 7. The connecting pipe 1 can squeeze the end of the metering pipe 3 through the gasket 25, thereby improving the sealing performance between the connecting pipe 1 and the metering pipe 3. The four sliding rods 24 are arranged circumferentially with the synchronous ring 23 as the center.

[0050] One end of the sealing ring 21 away from the clamping groove 20 extends to the outside of the clamping groove 20. The surface of the gasket 25 is in contact with the surface of the mounting disc 7. One ends of the gasket 25 and the sealing ring 21 away from the mounting disc 7 are in contact with the surface of the metering pipe 3. The number of telescopic rods 22 is three.

[0051] The fixing component 10 includes a positioning frame 30 which is fixedly connected to the surface of the connecting pipe 1. A threaded telescopic rod 31 is slidably connected to the inner wall of the positioning frame 30. One end of the threaded telescopic rod 31 is fixedly connected to a sliding block 33. The surface of the sliding block 33 is slidably connected to a sliding hole frame 34;

[0052] One end of the sliding hole frame 34 away from the sliding block 33 is fixedly connected to the synchronous ring 23. In the present invention, the center of the threaded telescopic rod 31 is rotated by the adjusting frame 32. When the center of the threaded telescopic rod 31 rotates, it will push both ends to extend outwards. When extending, it pushes the synchronous ring 23 towards the outer end of the connecting pipe 1 through the connection between the sliding block 33 and the sliding hole frame 34, so as to achieve the purpose of installing and disassembling the connecting pipe 1. After the end of the sliding rod 24 moves to the outer end of the metering pipe 3, the pressing plate 39 will move towards the outside of the groove 35 by using the elasticity of the elastic piece 38. When the sliding rod 24 moves into the round hole rod 8, the pressing plate 39 will contact the surface of the metering pipe 3 and squeeze the metering pipe 3, so that the metering pipe 3 can be closely attached to the surface of the gasket 25 and communicated with the connecting pipe 1, further improving the convenience of the connecting pipe 1 during verification and installation. When the threaded telescopic rod 31 has problems, the threaded telescopic rod 31 can be taken out through the sliding block 33 to avoid the threaded telescopic rod 31 affecting the disassembly of the water meter 5. The adjusting frame 32 is fixedly connected to the surface of the threaded telescopic rod 31.

[0053] The limiting hole 37 communicates with the groove 35. The shaft rod 36 is located at one end of the pressing plate 39 away from the elastic piece 38. A gap is provided between the surface of the pressing plate 39 and the inner wall of the groove 35. The groove 35 is located at one end of the sliding rod 24 away from the synchronous ring 23.

[0054] The surface of the pressing plate 39 contacts the inner wall of the round hole rod 8. The positioning frame 30 is located on the lower surface of the connecting pipe 1. The adjusting frame 32 is located at the center of the surface of the threaded telescopic rod 31. The threaded telescopic rod 31 and the three telescopic rods 22 are symmetrically arranged in a circumferential manner with the synchronous ring 23 as the center.

[0055] The stabilizing member 11 includes a semi-circular frame 42. The surface of the semi-circular frame 42 is fixedly connected to the telescopic end of the elastic rod 44. A telescopic plate 41 is hinged to the surface of the bent plate 43. One end of the telescopic plate 41 away from the bent plate 43 is hinged to the surface of the semi-circular frame 42. An elastic rod 45 is hinged to the surface of the telescopic plate 41;

[0056] One end of the elastic rod 45 away from the telescopic plate 41 is hinged to the surface of the sliding rod 24. When the sliding rod 24 of the present invention retracts, it will pull the telescopic plate 41 to move downward through the elastic rod 45. When the telescopic plate 41 moves downward, it will push the semi-circular frame 42 to contact the surface of the mounting plate 7, and the inner wall of the semi-circular frame 42 will also contact the surface of the metering pipe 3 to squeeze the metering pipe 3. The tightness between the metering pipe 3 and the connecting pipe 1 is improved by the pressure of the semi-circular frame 42. When the sliding rod 24 moves into the inner part of the round hole rod 8, it will push the semi-circular frame 42 to separate from the metering pipe 3, avoiding affecting the verification, installation and disassembly of the water meter 5. A through hole 46 is provided on the surface of the bent plate 43.

[0057] One end of the elastic rod 45 away from the telescopic plate 41 extends to the outer end of the bent plate 43 through the through hole 46. The top of the inner wall of the semi-circular frame 42 contacts the surface of the mounting plate 7. The inner wall of the semi-circular frame 42 contacts the surface of the metering pipe 3.

[0058] A method for a water meter metering verification device includes the following steps:

[0059] S1: The connecting pipe 1 is installed at the end of the metering pipe 3 through the installation component 9. Water is injected into the connecting pipe 1 through the metering pipe 3 to verify the water meter 5. The fixing component 10 can adjust the installation component 9, and the connecting pipe 1 is installed and disassembled by using the installation component 9;

[0060] S2: When the fixing component 10 pushes the sliding rod 24 to retract, the sliding rod 24 will fix the connecting pipe 1 through the fixing component 10, improving the stability when the connecting pipe 1 is installed at the end of the metering pipe 3 and avoiding the situation of the screw thread slipping when using a screw to fix the screw;

[0061] S3: After the end of the sliding rod 24 moves to the outer end of the metering tube 3, the pressing plate 39 will move towards the outer end of the groove 35 by using the elasticity of the elastic piece 38. When the sliding rod 24 moves towards the inside of the round hole rod 8, the pressing plate 39 will contact the surface of the metering tube 3;

[0062] S4: When the telescopic plate 41 moves downward, it pushes the semi-circular frame 42 to contact the surface of the mounting disc 7, and the inner wall of the semi-circular frame 42 will also contact the surface of the metering tube 3 to squeeze the metering tube 3, and the tightness between the metering tube 3 and the connecting tube 1 is improved by using the pressure of the semi-circular frame 42.

[0063] During use, the connecting pipe 1 is installed at the end of the metering pipe 3 through the installation component 9. Water is injected into the interior of the connecting pipe 1 through the metering pipe 3 to calibrate the water meter 5. The fixing component 10 can adjust the installation component 9, and the installation component 9 is used to install and disassemble the connecting pipe 1, improving the convenience of the connection between the connecting pipe 1 and the metering pipe 3 during calibration installation. A stabilizing component 11 is provided at the end of the installation component 9, and the stabilizing component 11 can improve the tightness between the connecting pipe 1 and the metering pipe 3 after installation, preventing water leakage during the calibration of the water meter 5 and ensuring accurate calibration results. When starting the operation by twisting the fixing component 10, the fixing component 10 can push the synchronous ring 23 to move towards the outer end of the connecting pipe 1, and the telescopic rod 22 is used to limit the synchronous ring 23, improving the stability of the synchronous ring 23 during movement. When the synchronous ring 23 moves, it pushes the sliding rod 24 to move inside the round hole rod 8 and reaches the outer end of the metering pipe 3. When the fixing component 10 pushes the sliding rod 24 to retract, the sliding rod 24 will fix the connecting pipe 1 through the fixing component 10, improving the stability of the connecting pipe 1 when installed at the end of the metering pipe 3 and preventing the situation of thread slipping when using a screw to fix the screw. A sealing ring 21 and a gasket 25 are provided at the end of the mounting plate 7. The connecting pipe 1 can squeeze the end of the metering pipe 3 through the gasket 25, thereby improving the sealing performance between the connecting pipe 1 and the metering pipe 3. By twisting the center of the threaded telescopic rod 31 through the adjusting frame 32, when the center of the threaded telescopic rod 31 rotates, it will push both ends to extend outwards. During the extension, the synchronous ring 23 is pushed towards the outer end of the connecting pipe 1 through the connection between the sliding block 33 and the sliding hole frame 34, thus achieving the purpose of installing and disassembling the connecting pipe 1. After the end of the sliding rod 24 moves to the outer end of the metering pipe 3, the pressing plate 39 will move towards the outer end of the groove 35 by using the elasticity of the elastic piece 38. When the sliding rod 24 moves into the round hole rod 8, the pressing plate 39 will contact the surface of the metering pipe 3 and squeeze the metering pipe 3, making the metering pipe 3 closely fit on the surface of the gasket 25 and communicate with the connecting pipe 1, further improving the convenience of the connecting pipe 1 during calibration installation. When the threaded telescopic rod 31 has problems, the threaded telescopic rod 31 can be taken out through the sliding block 33, preventing the threaded telescopic rod 31 from affecting the disassembly of the water meter 5. When the sliding rod 24 retracts, it will pull the telescopic plate 41 to move downwards through the elastic rod 45. When the telescopic plate 41 moves downwards, it will push the semi-circular frame 42 to contact the surface of the mounting plate 7, and the inner wall of the semi-circular frame 42 will also contact the surface of the metering pipe 3 to squeeze the metering pipe 3, using the pressure of the semi-circular frame 42 to improve the tightness between the metering pipe 3 and the connecting pipe 1. When the sliding rod 24 moves into the round hole rod 8, it will push the semi-circular frame 42 to separate from the metering pipe 3, preventing it from affecting the calibration installation and disassembly of the water meter 5.

[0064] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A water meter measurement and calibration device, comprising a connecting pipe (1), the top of the connecting pipe (1) is connected to a water meter (5), the inner wall of the water meter (5) is hinged with a sealing cover (6), the surface of the connecting pipe (1) is fixedly connected to a mounting plate (7), the surface of the mounting plate (7) is fixedly connected to a round hole rod (8), a metering pipe (3) is arranged at one end of the connecting pipe (1) away from the round hole rod (8), the surface of the metering pipe (3) is slidably connected to a calibration frame (4), the bottom of the calibration frame (4) is fixedly connected to a bottom plate (2), characterized in that: Also includes: A mounting component (9), the mounting component (9) comprising a sliding rod (24), the surface of the sliding rod (24) being slidably connected to the inner wall of the round hole rod (8), and one end of the sliding rod (24) away from the round hole rod (8) being fixedly connected to a synchronization ring (23); A fixing component (10), the fixing component (10) comprising a groove (35), the groove (35) being provided on the surface of the sliding rod (24), the inner wall of the groove (35) being fixedly connected with a shaft (36), the surface of the shaft (36) being sleeved with an extrusion plate (39), the inner wall of the sliding rod (24) being provided with a limiting hole (37), the inner wall of the limiting hole (37) being fixedly connected with a spring sheet (38), and one end of the spring sheet (38) away from the limiting hole (37) being fixedly connected with the extrusion plate (39); A stabilizing component (11), the stabilizing component (11) comprising a positioning ring (40), the inner wall of the positioning ring (40) being fixedly connected to the surface of the round hole rod (8), the surface of the positioning ring (40) being fixedly connected to a bent plate (43), and the surface of the bent plate (43) being fixedly connected to an elastic rod (44); The mounting component (9) comprises a telescopic rod (22), the end of the telescopic rod (22) is fixedly connected to the surface of a synchronization ring (23), the surface of the synchronization ring (23) is provided with four sliding rods (24), and the four sliding rods (24) are arranged around the synchronization ring (23) as the center circumference; When the fixing component (10) is twisted to start operation, the fixing component (10) can push the synchronization ring (23) to move toward the outer end of the connecting pipe (1), and the synchronization ring (23) is limited by the telescopic rod (22). When the synchronization ring (23) moves, it pushes the sliding rod (24) to move inside the round hole rod (8) and moves to the outer end of the metering pipe (3). When the fixing component (10) pushes the sliding rod (24) to retract, the sliding rod (24) fixes the connecting pipe (1) through the fixing component (10); The fixing component (10) comprises a positioning frame (30), the positioning frame (30) is fixedly connected to the surface of the connecting pipe (1), the inner wall of the positioning frame (30) is slidably connected to a threaded telescopic rod (31), the stabilizing component (11) comprises a semicircular frame (42), the surface of the semicircular frame (42) is fixedly connected to the telescopic end of the elastic rod (44), the surface of the bent plate (43) is hingedly connected to a telescopic plate (41), one end of the telescopic plate (41) away from the bent plate (43) is hingedly connected to the surface of the semicircular frame (42), and the surface of the telescopic plate (41) is hingedly connected to an elastic rod (45).

2. A water meter measurement and verification device according to claim 1, characterized in that: A clamping groove (20) is provided at one end of the mounting plate (7) away from the connecting pipe (1), a sealing ring (21) is clamped on the inner wall of the clamping groove (20), and a sealing gasket (25) is fixedly connected to the surface of the sealing ring (21).

3. A water meter measurement and verification device according to claim 2, characterized in that: One end of the sealing ring (21) away from the card slot (20) extends to the outer end of the card slot (20), the surface of the sealing pad (25) contacts the surface of the mounting plate (7), and one end of the sealing pad (25) and the sealing ring (21) away from the mounting plate (7) contacts the surface of the metering tube (3), and the number of the telescopic rods (22) is three.

4. A water meter measurement and verification device according to claim 3, characterized in that: The end of the threaded telescopic rod (31) is fixedly connected to a sliding block (33), and the surface of the sliding block (33) is slidably connected to a sliding hole frame (34); One end of the sliding hole frame (34) away from the sliding block (33) is fixedly connected to the synchronization ring (23), and the surface of the threaded telescopic rod (31) is fixedly connected to the adjustment frame (32).

5. A water meter measurement and verification device according to claim 4, characterized in that: The limiting hole (37) and the groove (35) are connected to each other, the shaft rod (36) is located at one end of the extrusion plate (39) away from the spring sheet (38), a gap is provided between the surface of the extrusion plate (39) and the inner wall of the groove (35), and the groove (35) is located at one end of the sliding rod (24) away from the synchronization ring (23).

6. A water meter measurement and verification device according to claim 5, characterized in that: The surface of the extrusion plate (39) contacts the inner wall of the round hole rod (8), the positioning frame (30) is located on the lower surface of the connecting pipe (1), the adjustment frame (32) is located at the center of the surface of the threaded telescopic rod (31), and the threaded telescopic rod (31) and the three telescopic rods (22) are symmetrically arranged around a synchronizing ring (23).

7. A water meter measurement and verification device according to claim 6, characterized in that: One end of the elastic rod (45) away from the telescopic plate (41) is hinged to the surface of the sliding rod (24), and a through hole (46) is provided on the surface of the bent plate (43).

8. A water meter measurement and verification device according to claim 7, characterized in that: One end of the elastic rod (45) away from the telescopic plate (41) extends to the outer end of the bent plate (43) through the through hole (46), the top of the inner wall of the semicircular frame (42) contacts the surface of the mounting plate (7), and the inner wall of the semicircular frame (42) contacts the surface of the metering tube (3).

9. A method for measuring and verifying a water meter according to claim 8, characterized in that: The following steps are involved: S1: The connecting pipe (1) is installed at the end of the metering pipe (3) through the installation component (9), and water is injected into the connecting pipe (1) through the metering pipe (3) to calibrate the water meter (5). The fixing component (10) can adjust the installation component (9), and the connecting pipe (1) can be installed and removed using the installation component (9); S2: When the fixing component (10) pushes the sliding rod (24) to retract, the sliding rod (24) will fix the connecting pipe (1) through the fixing component (10), thereby improving the stability of the connecting pipe (1) when it is installed on the end of the metering pipe (3) and avoiding the situation where the screw is slipped when the screw is fixed; S3: When the end of the sliding rod (24) moves to the outer end of the metering tube (3), the squeezing plate (39) moves toward the outer end of the groove (35) by utilizing the elasticity of the spring sheet (38), and when the sliding rod (24) moves toward the inside of the round hole rod (8), the squeezing plate (39) contacts the surface of the metering tube (3); S4: When the telescopic plate (41) moves downward, it pushes the semicircular frame (42) to contact the surface of the mounting plate (7), and the inner wall of the semicircular frame (42) also contacts the surface of the metering tube (3) to squeeze the metering tube (3), thereby improving the tightness between the metering tube (3) and the connecting tube (1) by using the pressure of the semicircular frame (42).

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