Volumetric valve control non-magnetic water meter

Abstract

The utility model relates to a positive displacement valve control non-magnetic water meter which comprises a base meter and an electrical module assembly fixed on the base meter. The base meter comprises an upper plastic shell and a lower plastic shell which are screwed together through threads; a sealing flat gasket is arranged between the upper plastic shell and the lower plastic shell; a valve ball core is arranged in the upper plastic shell; the top of the upper plastic shell is in threaded connection with a threaded connector, the bottom of the threaded connector is connected with a valve ball core, and a polytetrafluoroethylene ring is arranged between the threaded connector and the valve ball core. A valve rod is arranged on the side face of the upper plastic shell. One end of the valve rod is connected with the valve ball core, and the other end is connected into the electrical module assembly; a flowmeter and a counter fixed on the flowmeter are arranged in the lower plastic shell, a character wheel group is arranged on the counter, a stainless steel sheet is arranged on one upshift character wheel, and a non-magnetic sensor is arranged on the side surface electronic module corresponding to the stainless steel sheet. Compared with the prior art, the device has the advantages of being convenient to maintain and replace, low in maintenance cost, capable of improving working efficiency and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of valve-controlled non-magnetic water meters, and in particular to a volumetric valve-controlled non-magnetic water meter. Background Art

[0002] The volumetric valve-controlled non-magnetic water meter is a new product developed in recent years. It has won the favor of customers with advantages such as a large range ratio, high metering accuracy, anti-magnetic interference, and the ability to control the valve switch through software to implement water use management, and has gradually occupied a certain share in the water meter market.

[0003] However, the structure design of the volumetric valve-controlled water meters on the current market is complex, and the production process is cumbersome. For example, the valve electric actuator, the basic water meter, the electromechanical conversion sensor and the module are set as separate components, installed at different positions on the basic water meter, and connected to each other through wires. This not only makes the production process complex, but also is not conducive to later on-site maintenance and replacement. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a volumetric valve-controlled non-magnetic water meter to overcome the defects existing in the above-mentioned prior art.

[0005] The purpose of the utility model can be realized by the following technical solutions:

[0006] A volumetric valve-controlled non-magnetic water meter, the valve-controlled non-magnetic water meter includes a basic meter and an electrical module assembly fixed on the basic meter; the basic meter includes an upper plastic shell and a lower plastic shell screwed together by threads, and a sealing flat gasket for sealing is arranged between the upper plastic shell and the lower plastic shell; a valve ball core is arranged in the upper plastic shell; a threaded joint is screwed on the top of the upper plastic shell, the bottom of the threaded joint is connected to the valve ball core, and a tetrafluoro ring is arranged between the threaded joint and the valve ball core; a valve rod is arranged on the side of the upper plastic shell; one end of the valve rod is connected to the valve ball core, and the other end is connected to the electrical module assembly; a flow meter and a counter fixed on the flow meter are arranged in the lower plastic shell.

[0007] Further, the electrical module assembly includes an upper cover body and a lower cover body fixed together by cover body assembly screws; a valve electric actuator and an electronic module are arranged between the upper cover body and the lower cover body; the valve electric actuator and the electronic module are fixed by electric actuator assembly screws; a lithium battery is also arranged in the lower cover body; a battery sealing cover assembly for sealing the lithium battery is screwed on the lower cover body; the lithium battery is electrically connected to the valve electric actuator; the valve electric actuator is connected to the valve rod.

[0008] Further, a cover body anti-disassembly plug is arranged on the cover body assembly screw; a battery anti-disassembly plug is arranged on the battery sealing cover assembly.

[0009] Further, a set of character wheels is provided on the counter; a stainless steel sheet is provided on one of the upshift character wheels of the set of character wheels; a non-magnetic sensor is provided on the electronic module; and the non-magnetic sensor is located on the side of the stainless steel sheet.

[0010] Further, two limiting grooves are provided on the side of the base meter; clamping grooves are provided at both ends of the two limiting grooves; two rectangular limiting blocks matching the limiting grooves and four buckles matching the clamping grooves are provided on the side of the electrical module assembly; two threaded mounting holes for fixing the electrical module assembly and the base meter by an assembly screw after assembly are further provided on the base meter; and a screw anti-disassembly plug is provided on the assembly screw.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] (1) The utility model designs the valve-controlled non-magnetic water meter modularly, designs the water meter into two module components to form a volumetric valve-controlled non-magnetic water meter, namely a base meter and an electrical module assembly. During the manufacturing or use process, when a fault occurs in the water meter, the fault range can be quickly analyzed and judged, and corresponding replacement and maintenance operations can be carried out, reducing the maintenance cost and improving the efficiency of maintenance and replacement.

[0013] (2) The electrical module assembly of the utility model is fixed in the limiting grooves and clamping grooves of the base meter through rectangular limiting blocks and buckles, and is convenient for installation and disassembly, facilitating replacement and maintenance.

[0014] (3) The installation directions of the screw and the screw of the utility model both face the water meter installation box door, making it more convenient for maintenance personnel to replace the battery or replace and maintain the electrical module assembly at the installation site, improving the work efficiency. Description of the Drawings

[0015] Figure 1 is the overall structural schematic diagram provided by the utility model;

[0016] Figure 2 is the structural schematic diagram of the base meter provided by the utility model;

[0017] Figure 3 is the structural schematic diagram of the electrical module assembly provided by the utility model;

[0018] Figure 4 is the partial schematic diagram of the valve rod provided by the utility model;

[0019] Figure 5 is the partial schematic diagram of the electronic module provided by the utility model;

[0020] Figure 6Schematic diagram of the card slot structure provided by the present utility model;

[0021] Figure 7 Schematic diagram of the rectangular limit block structure provided by the present utility model;

[0022] Figure 8 Schematic diagram of the on-site installation structure provided by the present utility model.

[0023] The reference numerals in the figure indicate:

[0024] 1. Base table; 2. Electrical module assembly; 3. Assembly screw; 4. Upper plastic shell; 5. Lower plastic shell; 6. Sealing flat gasket; 7. Valve ball core; 8. Threaded joint; 9. Teflon ring; 10. Valve stem; 11. Flowmeter; 12. Counter; 13. Upper cover body; 14. Lower cover body; 15. Cover body assembly screw; 16. Valve electric actuator; 17. Electronic module; 18. Electric actuator assembly screw; 19. Lithium battery; 20. Battery seal cover assembly; 21. Screw anti-disassembly plug; 22. Cover body anti-disassembly plug; 23. Battery anti-disassembly plug; 24. Character wheel group; 25. Stainless steel sheet; 26. Non-magnetic sensor; 27. Limit groove; 28. Card slot; 29. Rectangular limit block; 30. Buckle; 31. Threaded mounting hole. Detailed implementation manners

[0025] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the protection scope of the present utility model.

[0027] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0029] It should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, "a plurality" means two or more, unless otherwise specifically defined.

[0030] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] Embodiment

[0032] Such as Figures 1 to 4As shown in the figure, a positive displacement valve-controlled non-magnetic water meter, the valve-controlled non-magnetic water meter includes a base meter 1 and an electrical module assembly 2 fixed on the base meter 1; the base meter 1 includes an upper plastic shell 4 and a lower plastic shell 5 that are screwed together; a sealing gasket 6 is arranged between the upper plastic shell 4 and the lower plastic shell 5 to improve the sealing performance and prevent water leakage; a valve ball core 7 is arranged in the upper plastic shell 4; a threaded joint 8 is screwed on the top of the upper plastic shell 4, the bottom of the threaded joint 8 is connected to the valve ball core 7, and a tetrafluoroethylene ring 9 is arranged between the threaded joint 8 and the valve ball core 7; a valve rod 10 is arranged on the side of the upper plastic shell 4; one end of the valve rod 10 is connected to the valve ball core 7, and the other end is connected to the electrical module assembly 2; a flow meter 11 and a counter 12 fixed on the flow meter 11 are arranged in the lower plastic shell 5; the electrical module assembly 2 includes an upper cover body 13 and a lower cover body 14 that are fixed together by cover body assembly screws 15; a cover body anti-tampering plug 22 is arranged on the cover body assembly screw 15; a valve electric actuator 16 and an electronic module 17 are arranged between the upper cover body 13 and the lower cover body 14; the valve electric actuator 16 and the electronic module 17 are fixed by electric actuator assembly screws 18; a lithium battery 19 is also arranged in the lower cover body 14; a battery sealing cover assembly 20 that seals the lithium battery 19 inside is screwed on the lower cover body 14; the lithium battery 19 is electrically connected to the valve electric actuator 16; the valve electric actuator 16 is connected to the valve rod 10, and the valve electric actuator 16 rotates clockwise or counterclockwise according to a set program, and drives the valve ball core 7 connected thereto to rotate synchronously through the valve rod 10 to control the opening and closing of the water meter valve; a battery anti-tampering plug 23 is arranged on the battery sealing cover assembly 20; by designing the water meter into two module components, a positive displacement valve-controlled non-magnetic water meter is formed, that is, the base meter 1 and the electrical module assembly 2. During the manufacturing or use process, when the water meter fails, the fault range can be quickly analyzed and judged, and corresponding replacement and maintenance operations can be carried out, reducing the maintenance cost and improving the efficiency of repair and replacement.

[0033] As Figure 5 shown, a dial wheel group 24 is arranged on the counter 12; a stainless steel sheet 25 is arranged on one of the upshift dial wheels of the dial wheel group 24; a non-magnetic sensor 26 is arranged on the electronic module 17; the non-magnetic sensor 26 is located on the side of the stainless steel sheet 25. When the upshift dial wheel 24 rotates, the stainless steel sheet 25 rotates synchronously. At this time, the non-magnetic sensor 26 collects the rotation signal of the dial wheel to measure the water consumption of the water meter.

[0034] As Figure 6 and 7As shown, two limiting grooves 27 are provided on the side surface of the base table 1; clamping grooves 28 are provided at both ends of the two limiting grooves 27; two rectangular limiting blocks 29 matching the limiting grooves 27 and four buckles 30 matching the clamping grooves 28 are provided on the side surface of the electrical module assembly 2; two threaded mounting holes 31 for fixing the electrical module assembly 2 after assembly are further provided on the base table 1. During assembly, the rectangular limiting blocks 29 of the electrical module assembly 2 are aligned with the front ends of the limiting grooves 27 on the base table 2, and pushed forward along the limiting grooves 27 until the buckles 30 are engaged with the clamping grooves 28. At this time, the assembly screw 3 is screwed into the threaded mounting hole 31 on the base table 1 to assemble and fix the electrical module assembly 2 on the base table 2; a screw anti-disassembly plug 21 is provided on the assembly screw 3.

[0035] As Figure 8 shown, when the non-magnetic valve-controlled water meter of the present invention is installed on site, the installation of all screws or bolts faces the water meter installation box door, making it more convenient for maintenance personnel to replace the lithium battery 19 or replace and maintain the electrical module assembly 2 at the installation site, improving work efficiency.

[0036] The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present invention without creative work. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present invention through logical analysis, reasoning, or limited experiments based on the concept of the present invention on the basis of the prior art shall fall within the protection scope determined by the claims.

Claims

1. A positive displacement valve-controlled non-magnetic water meter, characterized in that, The described valve-controlled non-magnetic water meter includes a base meter (1) and an electrical module assembly (2) fixed on the base meter (1); the base meter (1) includes an upper plastic shell (4) and a lower plastic shell (5) that are fixedly connected together by screw threads; a sealing flat gasket (6) for sealing is arranged between the upper plastic shell (4) and the lower plastic shell (5); a valve ball core (7) is arranged in the upper plastic shell (4); a threaded joint (8) is screwed onto the top of the upper plastic shell (4), the bottom of the threaded joint (8) is connected to the valve ball core (7), and a tetrafluoro ring (9) is arranged between the threaded joint (8) and the valve ball core (7); a valve rod (10) is arranged on the side of the upper plastic shell (4); one end of the valve rod (10) is connected to the valve ball core (7), and the other end is connected to the electrical module assembly (2); a flow meter (11) and a counter (12) fixed on the flow meter (11) are arranged in the lower plastic shell (5).

2. The positive displacement valve-controlled non-magnetic water meter according to claim 1, wherein The described electrical module assembly (2) includes an upper cover body (13) and a lower cover body (14) that are fixed together by cover body assembly screws (15); a valve electric actuator (16) and an electronic module (17) are arranged between the upper cover body (13) and the lower cover body (14); the valve electric actuator (16) and the electronic module (17) are fixed by electric actuator assembly screws (18); a lithium battery (19) is further arranged in the lower cover body (14); a battery seal cover assembly (20) that seals the lithium battery (19) inside is screwed onto the lower cover body (14); the lithium battery (19) is electrically connected to the valve electric actuator (16); the valve electric actuator (16) is connected to the valve rod (10).

3. The positive displacement valve-controlled non-magnetic water meter according to claim 2, characterized in that, A cover body anti-disassembly plug (22) is arranged on the cover body assembly screw (15); a battery anti-disassembly plug (23) is arranged on the battery seal cover assembly (20).

4. A positive displacement valve-controlled non-magnetic water meter according to claim 2, characterized in that, A word wheel group (24) is arranged on the counter (12); a stainless steel sheet (25) is arranged on one upshift word wheel of the word wheel group (24); a non-magnetic sensor (26) is arranged on the electronic module (17); the non-magnetic sensor (26) is located on the side of the stainless steel sheet (25).

5. A positive displacement valve-controlled non-magnetic water meter according to claim 2, wherein Two limiting grooves (27) are arranged on the side of the base meter (1); clamping grooves (28) are arranged at both ends of the two limiting grooves (27); two rectangular limiting blocks (29) matching the limiting grooves (27) and four buckles (30) matching the clamping grooves (28) are arranged on the side of the electrical module assembly (2); two threaded mounting holes (31) for fixing the electrical module assembly (2) and the base meter (1) by an assembly screw (3) after assembly are further arranged on the base meter (1); a screw anti-disassembly plug (21) is arranged on the assembly screw (3).

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