Tap water direct drinking purified water meter

Abstract

The utility model relates to the technical field of water meters, and discloses a tap water direct drinking purified water meter which is composed of a meter shell, an isolation cover, a rotating shaft, a water inlet pipe and the like, an electromagnetic coil is fixedly arranged in the side wall of the isolation cover, and the output end of the isolation cover is electrically connected with an indicator lamp. When the water meter needs to be overhauled and the impeller is driven by water flow to rotate, the reciprocating magnetic sliding block is promoted to reciprocate up and down in the isolation cover through the reciprocating thread on the rotating shaft, and at the moment, the electromagnetic effect is formed by matching the up-down reciprocating motion of the reciprocating magnetic sliding block with the electromagnetic coil, so that the electromagnetic coil generates current; as the output end of the electromagnetic coil is electrically connected with the indicator lamp, the current generated by the electromagnetic coil can be transmitted to the indicator lamp and drives the indicator lamp to emit light, and a maintainer can judge whether the interior of the water meter is blocked or not only by opening the valve to watch whether the indicator lamp emits light or not, and the water meter does not need to be disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of water meters, in particular to a pure water meter for direct drinking tap water. Background Art

[0002] A water meter is an instrument for measuring water flow, most of which measure the cumulative flow of water. It is generally divided into two categories: volumetric water meters and velocity water meters. When selecting the specifications of a water meter, you should first estimate the size and range of the flow rate normally used, and then choose the water meter with the specification that is closest to the commonly used flow rate as the first choice.

[0003] Existing water meters often need maintenance during use, and the main purpose of maintenance is to prevent the water meter from being blocked. However, under normal circumstances, the staff cannot determine whether the water meter is blocked. They can only disassemble the water meter for observation. If the water meter is not blocked, it needs to be reassembled, which greatly increases the workload of the maintenance personnel. Moreover, after the valve of the existing water meter is closed, the impeller will continue to rotate due to the acceleration of its own rotation, and it is impossible to stop rotating accurately when the valve is closed, which reduces the accuracy of the water meter. Utility Model Content

[0004] In view of the shortcomings of existing water meters, the utility model provides a pure water meter for direct drinking tap water, which has the advantages of being able to determine whether there is internal blockage without disassembling the water meter, causing the impeller to stop rotating quickly after the valve is closed, thereby improving the accuracy of the water meter, and solving technical problems such as large workload for water meter maintenance and low water meter accuracy.

[0005] The utility model provides the following technical solution: a pure water meter for drinking tap water, comprising a meter case, and also comprising:

[0006] An isolation cover is fixedly connected to the middle of the inner cavity side wall of the watch case, a partition is fixedly connected to the inner cavity side wall of the watch case located on the upper side of the isolation cover, a bowl-shaped filter is fixedly installed on the bottom surface of the isolation cover, a rotating shaft is rotatably sleeved in the middle of the partition, an impeller is fixedly sleeved on the outer surface of the lower part of the rotating shaft, and a metering mechanism is fixedly sleeved on the outer surface of the rotating shaft located on the upper side of the partition;

[0007] An indicating device is fixedly connected to the inner cavity side wall of the watch case and is located on the upper side of the partition. The top surface of the watch case is hinged with a watch cover through a hinge. A water inlet pipe is fixedly arranged on the left side of the outer surface of the watch case, and a water outlet pipe is fixedly arranged on the right side of the outer surface of the watch case corresponding to the water inlet pipe.

[0008] Preferably, the interior of the isolation cover includes:

[0009] An electromagnetic coil is fixedly arranged inside the side wall of the isolation cover;

[0010] An indicator light is electrically connected to the output end of the isolation cover and is fixedly mounted on the outer surface of the case.

[0011] Preferably, the rotating shaft includes:

[0012] A reciprocating thread is provided on the outer surface of the rotating shaft;

[0013] The reciprocating magnetic slider is slidably sleeved on the outer surface of the rotating shaft and is located at the reciprocating thread.

[0014] Preferably, the isolation cover comprises:

[0015] A fixing rod, fixedly connected to the middle of the side wall of the isolation cover close to the water inlet pipe;

[0016] A placement cavity is provided inside the fixing rod;

[0017] A pressure plate is slidably connected inside the placement cavity.

[0018] Preferably, the pressing plate comprises:

[0019] A sealing strip fixedly sleeved on the outer surface of the pressing plate;

[0020] A guide rod, fixedly connected to the middle of the right side of the pressing plate;

[0021] The varistor is fixedly connected inside the placement cavity and is located on the right side of the guide rod, and the guide rod is in contact with the varistor.

[0022] Preferably, the placement cavity further includes:

[0023] A storage battery, fixedly connected to the middle of the right side of the placement cavity;

[0024] The electromagnet is fixedly connected to the inner cavity side wall of the isolation cover. After the electromagnet is magnetized, the magnetism of the reciprocating magnetic slider is opposite. The battery, the electromagnet and the varistor are in the same circuit.

[0025] Compared with the prior art, the utility model has the following beneficial effects:

[0026] 1. By designing the electromagnetic coil, indicator light, reciprocating thread and reciprocating magnetic slider, when the water meter needs to be repaired, the staff only needs to open the valve to allow water to flow into the inside of the meter case. When the water flow drives the impeller to rotate, the reciprocating thread on the rotating shaft causes the reciprocating magnetic slider to reciprocate up and down inside the isolation cover. At this time, the up and down reciprocating motion of the reciprocating magnetic slider cooperates with the electromagnetic coil to form an electromagnetic effect, so that the electromagnetic coil generates current. Since the output end of the electromagnetic coil is electrically connected to the indicator light, the current generated by the electromagnetic coil will be transmitted to the indicator light and drive the indicator light to light up. Therefore, the maintenance personnel only need to open the valve to see whether the indicator light is on to determine whether there is a blockage inside the water meter, without disassembling the water meter.

[0027] 2. By designing a fixed rod, a placement cavity, a pressure plate, a guide rod, a varistor and an electromagnet, when the valve is closed, since there is no impact of water flow at the pressure plate, the pressure exerted by the pressure plate on the guide rod is cancelled, and the pressure of the guide rod on the varistor is also cancelled, so that the resistance of the varistor decreases. Since the varistor, the battery and the electromagnet are in the same circuit, the resistance of the varistor decreases at this time, so that the current in the battery will be transmitted to the electromagnet, so that the electromagnet is magnetized, and the electromagnet is used to adsorb the reciprocating magnetic slider, so that the position of the reciprocating magnetic slider is fixed. Since the reciprocating magnetic slider is sleeved on the outside of the rotating shaft, the reciprocating magnetic slider will limit the rotating shaft, so that after the valve is closed, the impeller can stop rotating quickly, thereby improving the accuracy of water meter measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the internal structure of the water meter of the utility model;

[0030] Figure 3 This is a schematic diagram of the internal structure of the isolation cover of the utility model;

[0031] Figure 4 This is a schematic diagram of the internal structure of the fixing rod of the utility model.

[0032] In the figure: 1. case; 2. isolation cover; 21. electromagnetic coil; 22. indicator light; 23. fixing rod; 24. placement cavity; 25. pressure plate; 251. sealing strip; 26. guide rod; 27. varistor; 28. battery; 29. ​​electromagnet; 3. partition; 4. bowl-shaped filter; 5. rotating shaft; 51. reciprocating thread; 52. reciprocating magnetic slider; 6. impeller; 7. metering mechanism; 8. indicating device; 9. cover; 10. water inlet pipe; 11. water outlet pipe. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figure 1-Figure 4 A pure water meter for drinking tap water directly, comprising a case 1, an isolation cover 2 is fixedly welded to the middle of the inner cavity side wall of the case 1, a partition 3 is fixedly welded to the inner cavity side wall of the case 1 on the upper side of the isolation cover 2, a bowl-shaped filter screen 4 is fixedly installed on the bottom surface of the isolation cover 2, a rotating shaft 5 is rotatably sleeved in the middle of the partition 3, an impeller 6 is fixedly sleeved on the outer surface of the lower part of the rotating shaft 5, a metering mechanism 7 is fixedly sleeved on the outer surface of the rotating shaft 5 located on the upper side of the partition 3, an indicating device 8 is fixedly welded to the inner cavity side wall of the case 1 on the upper side of the partition 3, a table cover 9 is hingedly connected to the top surface of the case 1 by a hinge, a water inlet pipe 10 is fixedly arranged on the left side of the outer surface of the case 1, and a water outlet pipe 11 is fixedly arranged on the right side of the outer surface of the case 1 corresponding to the water inlet pipe 10.

[0035] See also Figure 1-Figure 4 An electromagnetic coil 21 is fixedly arranged inside the side wall of the isolation cover 2, and an indicator light 22 is electrically connected to the output end of the isolation cover 2. The indicator light 22 is fixedly mounted on the outer surface of the case 1 to ensure that the operator can judge whether there is a blockage inside the case 1 through the indicator light 22.

[0036] See also Figure 1-Figure 4 A reciprocating thread 51 is provided on the outer surface of the rotating shaft 5, and a reciprocating magnetic slider 52 is slidably sleeved on the outer surface of the rotating shaft 5 at the reciprocating thread 51, ensuring that the rotating shaft 5 uses the reciprocating thread 51 to drive the reciprocating magnetic slider 52 to reciprocate up and down during the rotation process.

[0037] See also Figure 1-Figure 4 A fixing rod 23 is fixedly welded to the middle of the side wall of the isolation cover 2 near the water inlet pipe 10, and a placement cavity 24 is opened inside the fixing rod 23. A pressure plate 25 is slidably connected inside the placement cavity 24 to ensure that the water flow can directly impact on the pressure plate 25.

[0038] See also Figure 1-Figure 4 A sealing strip 251 is fixedly sleeved on the outer surface of the pressure plate 25, a guide rod 26 is fixedly welded to the middle of the right side of the pressure plate 25, and a varistor 27 is fixedly connected to the right side of the guide rod 26 inside the placement cavity 24. The guide rod 26 is in contact with the varistor 27, so that the guide rod 26 can apply pressure to the varistor 27.

[0039] See also Figure 1-Figure 4A battery 28 is fixedly installed in the middle of the right side of the placement cavity 24, and an electromagnet 29 is fixedly welded to the inner cavity side wall of the isolation cover 2. After the electromagnet 29 is magnetized, the magnetism is opposite to that of the reciprocating magnetic slider 52. The battery 28, the electromagnet 29 and the varistor 27 are in the same circuit.

[0040] Working principle: When the water meter needs to be repaired, the staff only needs to open the valve to allow water to flow into the inside of the meter case 1. When the water flow drives the impeller 6 to rotate, the reciprocating thread 51 on the rotating shaft 5 causes the reciprocating magnetic slider 52 to reciprocate up and down inside the isolation cover 2. At this time, the up and down reciprocating motion of the reciprocating magnetic slider 52 cooperates with the electromagnetic coil 21 to form an electromagnetic effect, so that the electromagnetic coil 21 generates current. Since the output end of the electromagnetic coil 21 is electrically connected to the indicator light 22, the current generated by the electromagnetic coil 21 will be transmitted to the indicator light 22 and drive the indicator light 22 to light up. Therefore, the maintenance personnel only need to open the valve to see whether the indicator light 22 is lit to determine whether there is a blockage inside the water meter, without disassembling the water meter. Secondly, after the valve is closed, Since there is no impact of water flow at the pressure plate 25, the pressure applied by the pressure plate 25 to the guide rod 26 is cancelled, and the pressure of the guide rod 26 on the varistor 27 is also cancelled, so that the resistance of the varistor 27 is reduced. Since the varistor 27, the battery 28 and the electromagnet 29 are in the same circuit, the resistance of the varistor 27 is reduced, so that the current in the battery 28 will be transmitted to the electromagnet 29, so that the electromagnet 29 is magnetized, and the electromagnet 29 is used to adsorb the reciprocating magnetic slider 52, so that the position of the reciprocating magnetic slider 52 is fixed. Since the reciprocating magnetic slider 52 is sleeved on the outside of the rotating shaft 5, the reciprocating magnetic slider 52 will limit the rotating shaft 5, so that after the valve is closed, the impeller 6 can quickly stop rotating, thereby improving the accuracy of water meter measurement.

Claims

1. A pure water meter for drinking tap water, comprising a meter housing (1), characterized in that: Also includes: An isolation cover (2) is fixedly connected to the middle of the inner cavity side wall of the case (1); the inner cavity side wall of the case (1) is located on the upper side of the isolation cover (2) and is fixedly connected to a partition plate (3); a bowl-shaped filter screen (4) is fixedly installed on the bottom surface of the isolation cover (2); a rotating shaft (5) is rotatably sleeved on the middle of the partition plate (3); an impeller (6) is fixedly sleeved on the outer surface of the lower part of the rotating shaft (5); and a metering mechanism (7) is fixedly sleeved on the outer surface of the rotating shaft (5) located on the upper side of the partition plate (3); An indicating device (8) is fixedly connected to the inner cavity side wall of the watch case (1) and is located on the upper side of the partition (3); a watch cover (9) is hingedly connected to the top surface of the watch case (1) via a hinge; a water inlet pipe (10) is fixedly provided on the left side of the outer surface of the watch case (1); and a water outlet pipe (11) is fixedly provided on the right side of the outer surface of the watch case (1) at a position corresponding to the water inlet pipe (10).

2. A pure water meter for drinking tap water according to claim 1, characterized in that: The interior of the isolation cover (2) comprises: An electromagnetic coil (21) is fixedly arranged inside the side wall of the isolation cover (2); An indicator light (22) is electrically connected to an output end of the isolation cover (2), and the indicator light (22) is fixedly mounted on an outer surface of the watch case (1).

3. A pure water meter for drinking tap water according to claim 2, characterized in that: The rotating shaft (5) comprises: A reciprocating thread (51) is arranged on the outer surface of the rotating shaft (5); The reciprocating magnetic slider (52) is slidably sleeved on the outer surface of the rotating shaft (5) and is located at the reciprocating thread (51).

4. A pure water meter for drinking tap water according to claim 3, characterized in that: The isolation cover (2) comprises: A fixing rod (23) fixedly connected to the middle of the side wall of the isolation cover (2) close to the water inlet pipe (10); A placement cavity (24) is provided inside the fixing rod (23); A pressing plate (25) is slidably connected inside the placement cavity (24).

5. A pure water meter for drinking tap water according to claim 4, characterized in that: The pressing plate (25) comprises: A sealing strip (251) fixedly sleeved on the outer surface of the pressing plate (25); A guide rod (26) fixedly connected to the middle portion of the right side of the pressing plate (25); The varistor (27) is fixedly connected inside the placement cavity (24) and is located on the right side of the guide rod (26), and the guide rod (26) is in contact with the varistor (27).

6. A pure water meter for drinking tap water according to claim 5, characterized in that: The placement cavity (24) also includes: A storage battery (28) fixedly connected to the middle portion of the right side of the placement cavity (24); The electromagnet (29) is fixedly connected to the inner cavity side wall of the isolation cover (2). After the electromagnet (29) is magnetized, the magnetism is opposite to that of the reciprocating magnetic slider (52). The battery (28), the electromagnet (29) and the varistor (27) are in the same circuit.

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