CN216009977U - Intelligent water meter capable of resisting water hammer effect - Google Patents
Intelligent water meter capable of resisting water hammer effect Download PDFInfo
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- CN216009977U CN216009977U CN202122299481.9U CN202122299481U CN216009977U CN 216009977 U CN216009977 U CN 216009977U CN 202122299481 U CN202122299481 U CN 202122299481U CN 216009977 U CN216009977 U CN 216009977U
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Abstract
The utility model relates to the technical field of intelligent water meters, in particular to an intelligent water meter capable of resisting water hammer effect, which comprises a water meter main body, first connecting ports, two groups of water pressure adjusting components and a piston mechanism, wherein the water meter main body is provided with two first connecting ports, the two groups of water pressure adjusting components are respectively connected with the two first connecting ports, each group of water pressure adjusting components are used for adjusting the change of instantaneous water pressure caused by the water hammer effect, each group of water pressure adjusting components comprises a piston mechanism which vertically slides according to the water pressure change, the water pressure adjusting components are arranged, the water pressure change caused by the water hammer effect can be well balanced, the water meter main body is reduced by the impact of water flow, when the piston mechanism vertically moves, the piston mechanism can move at a relatively stable speed by utilizing the elasticity and the damping action of a spring, the abrasion caused by high-speed movement of the piston mechanism is avoided, and the service life of the water pressure adjusting assembly is prolonged.
Description
Technical Field
The utility model relates to an intelligence water gauge technical field specifically is to relate to an intelligence water gauge that can water-resistant hammer effect.
Background
The water hammer effect means that the inner wall of the water pipe is smooth and water flows freely inside the water pipe. When the opened valve is suddenly closed, the water flow generates a pressure on the valve and the pipe wall, mainly the valve. Because the pipe wall is smooth, the follow-up water flow quickly reaches the maximum under the action of inertia and generates destructive action, namely the water hammer effect in the water conservancy, namely the positive water hammer. The factor is considered in the construction of water conservancy pipelines. On the contrary, after the closed valve is suddenly opened, a water hammer, called a negative water hammer, is generated, and has certain destructive power, but the water hammer is not as large as the negative water hammer.
When the existing intelligent water meter has the following defects: the water hammer effect changes the water pressure and impacts the intelligent water meter, the impact of the water hammer effect shortens the service life of the intelligent water meter, and once the intelligent water meter is damaged, the intelligent water meter cannot be repaired and needs to be directly scrapped.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an intelligent water meter capable of resisting the water hammer effect is provided.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an intelligent water meter capable of resisting water hammer effect, comprising:
the water meter comprises a water meter main body, a water meter control module and a water meter control module, wherein two first connecting ports are formed on the water meter main body;
the water pressure adjusting assemblies are two in number, the two water pressure adjusting assemblies are respectively connected with the two first connecting ports, each water pressure adjusting assembly is used for adjusting the change of instantaneous water pressure caused by a water hammer effect, and each water pressure adjusting assembly comprises a piston mechanism which vertically slides according to the change of the water pressure.
Further, the hydraulic pressure adjusting assembly further comprises:
the piston mechanism is arranged in the metal connecting pipe in a sliding manner, and a second connecting port is formed in the upper part of the metal connecting pipe;
one end of the hard connecting pipe is fixedly connected with the second connecting port;
the pressure gauge is fixedly connected with the free end of the hard connecting pipe;
the top cap is fixedly arranged at the upper end of the metal connecting pipe;
the valve is fixedly arranged on the top cap, and the lower end of the valve penetrates through the top cap downwards.
Further, the piston mechanism includes:
the first piston is cylindrical, is coaxially arranged with the metal connecting pipe, and is in sliding connection with the metal connecting pipe;
the second piston is in a cylindrical state and is coaxially arranged with the metal connecting pipe, the second piston is in sliding connection with the metal connecting pipe and is positioned above the first piston, a plurality of circular through grooves for air to pass through are formed in the second piston, the plurality of circular through grooves are all in a vertical direction, and the plurality of circular through grooves are distributed at equal intervals along the circumferential direction;
buffer spring is vertical direction, sets up in the inside of metal connecting pipe to buffer spring is located between first piston and the second piston, and buffer spring's upper end and lower extreme are inconsistent with second piston and first piston respectively.
Furthermore, a plurality of first annular grooves are formed in the side walls of the first piston and the second piston, the first annular grooves are distributed at intervals in the far vertical direction, and a piston ring is arranged in each first annular groove.
Furthermore, a limiting flange for blocking the piston mechanism is formed at the lower part of the inner wall of the metal connecting pipe.
Furthermore, a sealing ring is arranged between the upper end of the metal connecting pipe and the top cap, a second annular groove used for clamping the sealing ring is formed in the top cap, and the sealing ring is arranged in the second annular groove.
Further, the metal connecting pipe is screwed and fixed with the top cap, an external thread is formed at the upper end of the metal connecting pipe, and an internal thread matched with the external thread is formed on the inner wall of the top cap.
Compared with the prior art, the application has the beneficial effects that: firstly, a water pressure adjusting assembly is arranged, so that water pressure change caused by a water hammer effect can be well balanced, and the impact of water flow on a water meter main body is reduced;
and secondly, when the piston mechanism vertically moves, the piston mechanism can move at a relatively stable speed by utilizing the elasticity and the damping action of the spring, so that the abrasion caused by the high-speed movement of the piston mechanism is avoided, and the service life of the water pressure adjusting assembly is prolonged.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the water pressure regulating assembly of the present invention;
fig. 3 is a cross-sectional view taken along a-a of fig. 3 according to the present invention;
fig. 4 is an exploded schematic view of the piston mechanism of the present invention;
fig. 5 is an enlarged schematic view of the position B in fig. 3 according to the present invention.
The reference numbers in the figures are: 1-a water meter body; 2-a first connection port; 3-a water pressure regulating assembly; 4-a piston mechanism; 5-metal connecting pipe; 6-a second connection port; 7-hard connecting pipe; 8-a pressure gauge; 9-top cap; 10-valve of the air valve; 11-a first piston; 12-a second piston; 13-circular through grooves; 14-a buffer spring; 15-a first annular groove; 16-a piston ring; 17-a position-defining flange; 18-a sealing ring; 19-a second annular groove; 20-external threads; 21-internal thread.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1 to 5, an intelligent water meter capable of resisting a water hammer effect includes:
a water meter body 1, on which two first connection ports 2 are formed;
the water pressure regulating assemblies 3 are two in number, the two sets of water pressure regulating assemblies 3 are respectively connected with the two first connecting ports 2, each set of water pressure regulating assemblies 3 are all used for regulating the change of instantaneous water pressure caused by a water hammer effect, and each set of water pressure regulating assemblies 3 comprise a piston mechanism 4 which vertically slides according to the change of the water pressure.
When the intelligent water meter set is installed and used completely, compressed air needs to be injected into the water pressure adjusting assembly 3 in the prior art, the air pressure of the water pressure adjusting assembly 3 is within a normal water pressure range, the control valve is closed, the control valve is the prior art and is not shown in the figure, a positive water hammer is generated in the water meter main body 1, the water pressure in the water meter main body 1 is increased suddenly, high-pressure water flow can flow into the water pressure adjusting assembly 3 through the first connecting port 2, the high-pressure water flow can push the piston mechanism 4 to move upwards, and the water pressure is balanced through the vertical upward movement of the piston mechanism 4.
When the control valve is opened, a negative water hammer is generated in the water meter main body 1, the water pressure in the water meter is suddenly reduced, the pressure in the water pressure adjusting assembly 3 is greater than the water pressure, the air pressure in the water pressure adjusting assembly 3 pushes the piston mechanism 4 to move downwards, and the water pressure is adjusted by the vertical downward movement of the piston mechanism 4.
The hydraulic pressure adjusting assembly 3 further includes:
the metal connecting pipe 5 is in a vertical state, the lower end of the metal connecting pipe 5 is connected with the corresponding first connecting port 2, the piston mechanism 4 is arranged in the metal connecting pipe 5 in a sliding mode, and a second connecting port 6 is formed in the upper portion of the metal connecting pipe 5;
one end of the hard connecting pipe 7 is fixedly connected with the second connecting port 6;
the pressure gauge 8 is fixedly connected with the free end of the hard connecting pipe 7;
a top cap 9 fixedly disposed on an upper end of the metal connection pipe 5;
and the inflating valve 10 is fixedly arranged on the top cap 9, and the lower end of the inflating valve 10 penetrates through the top cap 9 downwards.
When intelligent water gauge used, injected compressed gas in adjusting component 3 through inflating valve 10 looks water pressure, observed atmospheric pressure size through manometer 8 to when water pressure adjusting component 3 had the leakage, can discover through looking over manometer 8, inflating valve 10 makes things convenient for follow-up staff to supply compressed air to it.
Compressed gas is located between the top cap 9 and the piston mechanism 4, when water pressure increases suddenly, and when water pressure was greater than atmospheric pressure, water pressure promoted vertical upward movement in metal connecting pipe 5 of piston mechanism 4, when water pressure decreases suddenly, when atmospheric pressure was greater than water pressure, gas promoted vertical off-line slip equilibrium pressure in metal connecting pipe 5 of piston mechanism 4.
The piston mechanism 4 includes:
the first piston 11 is cylindrical, the first piston 11 and the metal connecting pipe 5 are coaxially arranged, and the first piston 11 is connected with the metal connecting pipe 5 in a sliding mode;
the second piston 12 is in a cylindrical state, the second piston 12 and the metal connecting pipe 5 are coaxially arranged, the second piston 12 is connected with the metal connecting pipe 5 in a sliding mode, the second piston 12 is located above the first piston 11, a plurality of circular through grooves 13 for air to pass through are formed in the second piston 12, the circular through grooves 13 are all in a vertical direction, and the circular through grooves 13 are distributed at equal intervals in the circumferential direction;
Because of the circular through slot 13 in the second piston 12, there is compressed air between the second piston 12 and the first piston 11.
When water pressure is greater than atmospheric pressure, promote the vertical rebound of first piston 11, first piston 11 at first can compress buffer spring 14, buffer spring 14 can promote the vertical rebound of second piston 12, circular logical groove 13 makes the air in the piston mechanism 4 and the air connection between piston mechanism 4 and the hood 9, the flow of air forms the damping action, the moving speed of damping action and buffer spring 14's elasticity messenger piston mechanism 4 slows down, piston mechanism 4 and the inside quick wearing and tearing of metal connecting pipe 5 have been avoided, service life has been increased.
When the air pressure is greater than the water pressure, the compressed air pushes the first piston 11 to move vertically downward, the first piston 11 stretches the buffer spring 14, and the buffer spring 14 drives the second piston 12 to move vertically downward.
The side walls of the first piston 11 and the second piston 12 are respectively provided with a plurality of first annular grooves 15, the plurality of first annular grooves 15 are distributed at intervals in the far vertical direction, and each first annular groove 15 is internally provided with a piston ring 16.
The piston ring 16 increases the tightness between the piston and the inner wall of the metal tube, because the piston ring 16 has a certain plasticity.
And a limiting flange 17 for blocking the piston mechanism 4 is formed at the lower part of the inner wall of the metal connecting pipe 5.
When the air pressure is greater than the water pressure, the compressed air pushes the piston mechanism 4 to move vertically downwards, and the limit flange 17 limits the range of vertical downward line movement of the piston mechanism 4.
A sealing ring 18 is arranged between the upper end of the metal connecting pipe 5 and the top cap 9, a second annular groove 19 for clamping the sealing ring 18 is formed in the top cap 9, and the sealing ring 18 is arranged in the second annular groove 19.
The sealing ring 18 can increase the sealing performance between the metal connecting pipe 5 and the top cap 9, so that the probability of air leakage is greatly reduced.
The metal connecting pipe 5 is screwed and fixed with the top cap 9, an external thread 20 is formed at the upper end of the metal connecting pipe 5, and an internal thread 21 matched with the external thread 20 is formed on the inner wall of the top cap 9.
By the engagement of the internal thread 21 and the external thread 20, the top cap 9 and the metal connection pipe 5 can be fixed more firmly.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An intelligent water meter capable of resisting water hammer effect, comprising:
a water meter body (1) on which two first connection ports (2) are formed;
the water pressure adjusting assemblies (3) are two in number, the two sets of water pressure adjusting assemblies (3) are respectively connected with the two first connecting ports (2), each set of water pressure adjusting assemblies (3) are used for adjusting the change of instantaneous water pressure caused by a water hammer effect, and each set of water pressure adjusting assemblies (3) respectively comprise a piston mechanism (4) which vertically slides according to the change of the water pressure.
2. An intelligent water meter resistant to the water hammer effect as claimed in claim 1, wherein said hydraulic pressure regulating assembly (3) further comprises:
the metal connecting pipe (5) is in a vertical state, the lower end of the metal connecting pipe (5) is connected with the corresponding first connecting port (2), the piston mechanism (4) is arranged in the metal connecting pipe (5) in a sliding mode, and a second connecting port (6) is formed in the upper portion of the metal connecting pipe (5);
one end of the hard connecting pipe (7) is fixedly connected with the second connecting port (6);
the pressure gauge (8) is fixedly connected with the free end of the hard connecting pipe (7);
a top cap (9) fixedly arranged at the upper end of the metal connecting pipe (5);
the air valve (10) is fixedly arranged on the top cap (9), and the lower end of the air valve (10) penetrates through the top cap (9) downwards.
3. An intelligent water meter resistant to the water hammer effect as claimed in claim 2, wherein said piston mechanism (4) comprises:
the first piston (11) is cylindrical, the first piston (11) and the metal connecting pipe (5) are coaxially arranged, and the first piston (11) is connected with the metal connecting pipe (5) in a sliding mode;
the second piston (12) is in a cylindrical state, the second piston (12) and the metal connecting pipe (5) are coaxially arranged, the second piston (12) is in sliding connection with the metal connecting pipe (5), the second piston (12) is located above the first piston (11), a plurality of circular through grooves (13) for air to pass through are formed in the second piston (12), the plurality of circular through grooves (13) are all in the vertical direction, and the plurality of circular through grooves (13) are distributed at equal intervals in the circumferential direction;
buffer spring (14), be vertical direction, set up the inside at metal connecting pipe (5) to buffer spring (14) are located between first piston (11) and second piston (12), and buffer spring (14)'s upper end and lower extreme are inconsistent with second piston (12) and first piston (11) respectively.
4. An intelligent water meter with water hammer resistance according to claim 3, wherein a plurality of first annular grooves (15) are formed on the side walls of the first piston (11) and the second piston (12), the first annular grooves (15) are distributed at intervals far from the vertical direction, and a piston ring (16) is arranged in each first annular groove (15).
5. An intelligent water meter against water hammer effect according to claim 2, wherein a limit flange (17) for blocking the piston mechanism (4) is formed at the lower part of the inner wall of the metal connecting pipe (5).
6. An intelligent water meter with resistance to water hammer effect according to claim 2, wherein a sealing ring (18) is disposed between the upper end of the metal connecting pipe (5) and the top cap (9), a second annular groove (19) for clamping the sealing ring (18) is formed on the top cap (9), and the sealing ring (18) is disposed in the second annular groove (19).
7. An intelligent water meter with water hammer resistance function according to claim 2, wherein the metal connecting pipe (5) is screwed and fixed with the top cap (9), the upper end of the metal connecting pipe (5) is formed with an external thread (20), and the inner wall of the top cap (9) is formed with an internal thread (21) matched with the external thread (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299481.9U CN216009977U (en) | 2021-09-18 | 2021-09-18 | Intelligent water meter capable of resisting water hammer effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299481.9U CN216009977U (en) | 2021-09-18 | 2021-09-18 | Intelligent water meter capable of resisting water hammer effect |
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| Publication Number | Publication Date |
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| CN216009977U true CN216009977U (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122299481.9U Active CN216009977U (en) | 2021-09-18 | 2021-09-18 | Intelligent water meter capable of resisting water hammer effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117928677A (en) * | 2024-01-24 | 2024-04-26 | 泰州建源仪表有限公司 | Water meter capable of isolating water hammer for large-flow metering |
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2021
- 2021-09-18 CN CN202122299481.9U patent/CN216009977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117928677A (en) * | 2024-01-24 | 2024-04-26 | 泰州建源仪表有限公司 | Water meter capable of isolating water hammer for large-flow metering |
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