High-precision direct drinking water valve control water meter

Abstract

The high-precision direct drinking water valve control water meter comprises a stainless steel meter shell, a counting mechanism is arranged at one end of the interior of the stainless steel meter shell, a piston transmission mechanism is rotationally connected to the interior of the stainless steel meter shell below the counting mechanism, and a cover gasket is installed in the interior of the stainless steel meter shell above the counting mechanism; a stainless steel cover is installed at the top of the stainless steel meter shell above the cover gasket, a middle-end gear set is rotationally connected to the center of the interior of the counting mechanism, a magnetic steel body is arranged at the bottom end of the middle-end gear set, and the end, away from the middle-end gear set, of the magnetic steel body extends into the piston transmission mechanism and is provided with a magnetic steel base; a shifting fork is arranged on the outer wall of the end, away from the magnetic steel body, of the magnetic steel base. A gear assembly is arranged in the counting mechanism on one side of the middle-end gear set. The metering precision of the water control meter in use is ensured, a user can conveniently adjust the flow speed of a water source according to needs, and the purpose of conveniently connecting the water control meter for use is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of instruments and meters, and in particular to a high-precision direct drinking water valve-controlled water meter. Background Art

[0002] At present, direct drinking water valve water meters have not been widely popularized in residents' lives, but this does not mean that they have no practical significance. On the contrary, the promotion of direct drinking water valve controlled water meters can bring many conveniences to people's lives. With the improvement of people's living standards, this type of controlled water meters is bound to be widely used and thus attract the attention of the general public.

[0003] Reference publication number CN218066628U is a direct drinking water valve-controlled water meter, wherein the top of the direct drinking water valve-controlled base meter is detachably fixedly connected to the lower shell of the valve-controlled water purification meter, the lower shell of the valve-controlled water purification meter is detachably installed with the upper shell of the valve-controlled water purification meter above the valve of the direct drinking water valve-controlled base meter, the electronic part is installed in the upper shell of the valve-controlled water purification meter and is potted with epoxy resin; a sealing indicating mechanism assembly is installed in the lower shell of the valve-controlled water purification meter, the sealing indicating mechanism assembly is connected to the top of the direct drinking water valve-controlled base meter, a glass cover is arranged above the sealing indicating mechanism assembly, and a meter cover is arranged above the glass cover. The present invention is connected by snap-fit, which greatly improves Production efficiency, the shell part is completely separated from the base meter part, and they are connected through pulse sampling. The shell joints are sealed with sealing rings, and the electronic parts are all encapsulated with epoxy resin to ensure that they are not affected by the external environment. The structure is compact, space is saved, and it can adapt to different installation environments. According to the above, although the water control meter can be well applied, easy to disassemble and assemble, and not affected by the external environment, its measurement accuracy is low, the range ratio is R160, the starting flow rate is 2L higher, and the pressure loss is large. The pressure loss is between 0.060 and 0.075, and the standard is ≤0.063, which often troubles people. Summary of the invention

[0004] The purpose of the present invention is to provide a high-precision direct drinking water valve-controlled water meter to solve the problem that the water meter proposed in the above background technology can be well applied, is easy to disassemble and assemble, and is not affected by the external environment, but its measurement accuracy is low, the range ratio is R160, the starting flow is 2L higher, and the pressure loss is large, the pressure loss is between 0.060 and 0.075, and the standard is ≤0.063.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-precision direct drinking water valve-controlled water meter, comprising a stainless steel case, a counting mechanism being provided at one end of the interior of the stainless steel case, a piston transmission mechanism being rotatably connected to the interior of the stainless steel case below the counting mechanism, a cover gasket being installed inside the stainless steel case above the counting mechanism, a stainless steel cover being installed on the top of the stainless steel case above the cover gasket, a middle-end gear group being rotatably connected to the center position inside the counting mechanism, a magnetic steel body being provided at the bottom end of the middle-end gear group, an end of the magnetic steel body away from the middle-end gear group extending to the interior of the piston transmission mechanism and provided with a magnetic steel seat, a fork being provided on the outer wall of the magnetic steel seat away from the end of the magnetic steel body, a gear assembly being provided inside the counting mechanism on one side of the middle-end gear group, and a character wheel assembly being rotatably connected to the counting mechanism on the side of the middle-end gear group away from the gear assembly.

[0006] Preferably, a water inlet is provided on the outer wall of one side of the stainless steel case, and one end of the water inlet extends to the interior of the stainless steel case so that water can flow into the interior of the stainless steel case through the water inlet.

[0007] Preferably, a water outlet is provided on the outer wall of the stainless steel case away from the water inlet, and one end of the water outlet extends to the interior of the stainless steel case so that water inside the stainless steel case can be discharged through the water outlet.

[0008] Preferably, a second threaded interface is provided at one end of the water outlet away from the stainless steel case, and a first threaded interface is provided at one end of the water inlet away from the stainless steel case so as to threadably connect an external water supply pipe and a drainage pipe.

[0009] Preferably, a valve core is rotatably connected to one side of the water outlet, and a limit seat is provided at the top of the water outlet at the position of the valve core to adjust the opening and closing size of the water outlet.

[0010] Preferably, the limit seat is movably connected to a rotary rod assembly inside, the top end of the rotary rod assembly extends to the outside of the limit seat, and the bottom end of the rotary rod assembly extends to the inside of the water outlet and is fixedly connected to the top end of the valve core to drive the valve core to rotate.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the high-precision direct drinking water valve-controlled water meter not only ensures the metering accuracy when the water meter is used, but also facilitates the user to adjust the flow rate of the water source as needed, and achieves the purpose of facilitating the connection and use of the water meter;

[0012] (1) When water flows from the water inlet into the stainless steel case and flows to the water outlet, the water drives the piston transmission mechanism to rotate, and then transmits the rotation to the counting mechanism through the magnetic steel seat and the magnetic steel body. Since the volume of the metering chamber is fixed, the number of rotations of the piston transmission mechanism can be measured by the counting mechanism to obtain the total amount of water flowing through the water control meter, thereby ensuring the metering accuracy of the water control meter when in use;

[0013] (2) By rotating the rotary rod assembly, the rotary rod assembly is rotated inside the limit seat, and the rotary rod assembly drives the valve core inside the water outlet to rotate. At this time, the angle of the valve core changes, and the opening and closing size of the water outlet can be adjusted, so that the user can adjust the flow rate of the water source as needed;

[0014] (3) By setting a second threaded interface at one end of the water outlet and a first threaded interface at one end of the water inlet, the external water supply pipe and the water outlet pipe are respectively threadedly connected to the first threaded interface and the second threaded interface, thereby achieving the purpose of facilitating the connection and use of the water control meter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a top view three-dimensional structure schematic diagram of the present invention;

[0016] Figure 2 It is a front view schematic diagram of the appearance structure of the present invention;

[0017] Figure 3 It is a schematic diagram of the explosion structure of the present invention;

[0018] Figure 4 It is a schematic diagram of the front cross-sectional structure of the present invention.

[0019] In the figure: 1. Stainless steel case; 2. Water outlet; 3. Second threaded interface; 4. Stainless steel cover; 5. First threaded interface; 6. Limit seat; 7. Rotary rod assembly; 8. Water inlet; 9. Cover gasket; 10. Counting mechanism; 11. Piston transmission mechanism; 12. Gear assembly; 13. Word wheel assembly; 14. Mid-end gear set; 15. Magnetic steel body; 16. Magnetic steel seat; 17. Pull fork; 18. Valve core. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-4, an embodiment provided by the present invention: a high-precision direct drinking water valve-controlled water meter, comprising a stainless steel case 1, a water inlet 8 is provided on the outer wall of one side of the stainless steel case 1, and one end of the water inlet 8 extends to the interior of the stainless steel case 1;

[0022] When in use, the water inlet 8 is arranged on the outer wall of one side of the stainless steel case 1 so that water can flow into the interior of the stainless steel case 1 through the water inlet 8;

[0023] A water outlet 2 is provided on the outer wall of the stainless steel case 1 away from the water inlet 8, and one end of the water outlet 2 extends to the interior of the stainless steel case 1;

[0024] When in use, the water outlet 2 is arranged on the outer wall of one side of the stainless steel case 1 so that the water source inside the stainless steel case 1 can be discharged through the water outlet 2;

[0025] A second threaded interface 3 is provided at one end of the water outlet 2 away from the stainless steel case 1, and a first threaded interface 5 is provided at one end of the water inlet 8 away from the stainless steel case 1;

[0026] When in use, the second threaded interface 3 and the first threaded interface 5 are respectively arranged at one end of the water outlet 2 and the water inlet 8 so as to threadably connect the external water supply pipe and the drainage pipe;

[0027] A valve core 18 is rotatably connected to one side of the water outlet 2, and a limit seat 6 is provided at the top of the water outlet 2 at the position of the valve core 18;

[0028] When in use, the valve core 18 is rotated inside the water outlet 2 to adjust the opening and closing size of the water outlet 2;

[0029] The inner part of the limit seat 6 is movably connected with a rotary rod assembly 7, the top end of the rotary rod assembly 7 extends to the outside of the limit seat 6, and the bottom end of the rotary rod assembly 7 extends to the inside of the water outlet 2 and is fixedly connected to the top end of the valve core 18;

[0030] When in use, the valve core 18 is driven to rotate by rotating the rotary rod assembly 7;

[0031] A counting mechanism 10 is provided at one end of the stainless steel case 1, a piston transmission mechanism 11 is rotatably connected inside the stainless steel case 1 below the counting mechanism 10, a cover gasket 9 is installed inside the stainless steel case 1 above the counting mechanism 10, a stainless steel cover 4 is installed on the top of the stainless steel case 1 above the cover gasket 9, a middle-end gear set 14 is rotatably connected at the center position inside the counting mechanism 10, a magnetic steel body 15 is provided at the bottom end of the middle-end gear set 14, an end of the magnetic steel body 15 away from the middle-end gear set 14 extends to the inside of the piston transmission mechanism 11 and is provided with a magnetic steel seat 16, a shift fork 17 is provided on the outer wall of the magnetic steel seat 16 away from the end of the magnetic steel body 15, a gear assembly 12 is provided inside the counting mechanism 10 on one side of the middle-end gear set 14, and a character wheel assembly 13 is rotatably connected inside the counting mechanism 10 on the side of the middle-end gear set 14 away from the gear assembly 12.

[0032] When the embodiment of the present application is in use, the water control meter can be quickly installed and connected by first threading the external water supply pipe and the water outlet pipe to the first threaded interface 5 and the second threaded interface 3 respectively. After that, when water flows into the interior of the stainless steel case 1 through the water inlet 8 and flows to the water outlet 2, the water flow drives the piston transmission mechanism 11 to rotate, and then the water flow is magnetically transmitted to the counting mechanism 10 through the magnetic steel seat 16 and the magnetic steel body 15. Because the volume of the metering chamber is fixed, the number of rotations of the piston transmission mechanism 11 can be measured by the counting mechanism 10 to obtain the total amount of water flowing through the water control meter, thereby ensuring its metering accuracy. Specifically: the product range ratio Increase to R200, start as low as 0.5L, pressure loss is below 0.03, finally rotate the rotary rod assembly 7 to make it rotate inside the limit seat 6, and drive the valve core 18 inside the water outlet 2 to rotate. At this time, the angle of the valve core 18 changes, and the opening and closing size of the water outlet 2 can be adjusted to adjust the flow rate of the water source as needed. The piston transmission mechanism 11 and the counting mechanism 10 are installed into the stainless steel case 1, and the cover gasket 9 is placed on the top of the counting mechanism 10, and then the stainless steel cover 4 is tightened and fixed to the top of the stainless steel case 1, and the installation of the water control meter is completed, thereby completing the use of the water control meter.

Claims

1. High-precision direct drinking water valve-controlled water meter, characterized by: The invention comprises a stainless steel watch case (1), wherein a counting mechanism (10) is provided at one end of the interior of the stainless steel watch case (1), a piston transmission mechanism (11) is rotatably connected to the interior of the stainless steel watch case (1) below the counting mechanism (10), a cover gasket (9) is installed inside the stainless steel watch case (1) above the counting mechanism (10), a stainless steel cover (4) is installed on the top of the stainless steel watch case (1) above the cover gasket (9), a middle end gear set (14) is rotatably connected to the center position of the interior of the counting mechanism (10), and the middle end gear set (14) is rotatably connected to the center position of the interior of the counting mechanism (10). A magnetic steel body (15) is provided at the bottom end of the middle gear group (14); the end of the magnetic steel body (15) away from the middle gear group (14) extends to the inside of the piston transmission mechanism (11) and is provided with a magnetic steel seat (16); a shift fork (17) is provided on the outer wall of the end of the magnetic steel seat (16) away from the magnetic steel body (15); a gear assembly (12) is provided inside the counting mechanism (10) on one side of the middle gear group (14); and a character wheel assembly (13) is rotatably connected inside the counting mechanism (10) on the side of the middle gear group (14) away from the gear assembly (12).

2. The high-precision direct drinking water valve-controlled water meter according to claim 1 is characterized in that: A water inlet (8) is provided on the outer wall of one side of the stainless steel watch case (1), and one end of the water inlet (8) extends to the interior of the stainless steel watch case (1).

3. The high-precision direct drinking water valve-controlled water meter according to claim 2 is characterized in that: A water outlet (2) is provided on the outer wall of the stainless steel case (1) on the side away from the water inlet (8), and one end of the water outlet (2) extends to the interior of the stainless steel case (1).

4. The high-precision direct drinking water valve-controlled water meter according to claim 3 is characterized in that: A second threaded interface (3) is provided at one end of the water outlet (2) away from the stainless steel case (1), and a first threaded interface (5) is provided at one end of the water inlet (8) away from the stainless steel case (1).

5. The high-precision direct drinking water valve-controlled water meter according to claim 3 is characterized in that: A valve core (18) is rotatably connected to one side of the water outlet (2), and a limit seat (6) is provided at the top of the water outlet (2) at the position of the valve core (18).

6. The high-precision direct drinking water valve-controlled water meter according to claim 5 is characterized in that: The limit seat (6) is movably connected to a rotary rod assembly (7) inside, the top end of the rotary rod assembly (7) extends to the outside of the limit seat (6), and the bottom end of the rotary rod assembly (7) extends to the inside of the water outlet (2) and is fixedly connected to the top end of the valve core (18).

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