CN220304609U

CN220304609U - Split type non-magnetic water meter

Info

Publication number: CN220304609U
Application number: CN202321740514.1U
Authority: CN
Inventors: 段明高; 熊太同; 张辉华
Original assignee: Sanchuan Wisdom Technology Co Ltd
Current assignee: Sanchuan Wisdom Technology Co Ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-01-05
Anticipated expiration: 2033-07-05

Abstract

The utility model provides a split type non-magnetic water meter, which comprises a meter and a module box, wherein the meter and the module box are connected through a wire, the meter comprises a meter shell, an impeller is arranged in the meter shell, and a metal sheet is arranged at the top of the impeller; a machine core upper cover is arranged above the impeller, a sensor mounting groove is formed in the center of the machine core upper cover, a non-magnetic sensor module is arranged in the sensor mounting groove, a lead is connected to the non-magnetic sensor module, and a liquid collecting groove is formed in the outer side of the sensor mounting groove by the machine core upper cover; the top of the watchcase is provided with a sealing cover; the top of the sealing cover is provided with a cylindrical threaded column, a sealing sleeve is arranged in the cylindrical threaded column, a wire protecting sleeve is arranged outside the wire, and a compression nut is sleeved outside the threaded column. The upper cover of the movement is provided with the liquid collecting groove outside the sensor mounting groove, and the liquid collecting groove can be gathered even if slight leakage exists, so that water inflow of the magnetic sensor-free module is avoided; the compression nut compresses the sealing sleeve on the surface of the arc sleeve, so that water leakage is avoided.

Description

Split type non-magnetic water meter

Technical Field

The utility model relates to a split water meter, in particular to a split nonmagnetic water meter.

Background

Along with the development of science and technology, the electronic intelligent water meter gradually replaces the traditional mechanical common water meter. The functions of remote automatic meter reading, stepped water price metering, mobile phone payment and the like of the intelligent water meter bring great convenience to the management of users and water departments. But the use of the intelligent sensor electronic device puts higher requirements on the waterproof performance of the intelligent water meter. Especially in the north of China, water meters are often installed in a pipeline well in a concentrated mode, and water meter soaking in water is a common phenomenon.

In this regard, some split water meters are available on the market, the meters are installed at the bottom of a pipeline, the module box is hung at the well mouth of the pipeline, and the meters and the modules are connected through wires, so that water inflow of the module box is avoided. However, in order to obtain a reading from the meter, a corresponding sensor is also provided in the meter, so that a seal is required for the meter.

The existing split water meter is designed to seal the meter, but the meter is always in a soaking state, so that fine leakage can be generated due to water pressure after long-time use, and the water inlet risk of electronic modules such as sensor modules in the meter is increased.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide a split type nonmagnetic water meter, which can prevent water from entering a sensor module when the meter slightly leaks, and effectively improve the waterproof performance of the meter. In order to achieve the above purpose, the present utility model adopts the following technical scheme:

(II) technical scheme

The split type non-magnetic water meter comprises a meter and a module box, wherein the meter and the module box are connected through a wire, the meter comprises a meter shell, an impeller is arranged in the meter shell, and a metal sheet is arranged at the top of the impeller;

a machine core upper cover is arranged above the impeller, a sensor mounting groove is formed in the center of the machine core upper cover, a non-magnetic sensor module is arranged in the sensor mounting groove, a lead is connected to the non-magnetic sensor module, and a liquid collecting groove is formed in the outer side of the sensor mounting groove by the machine core upper cover; a thread pressing ring is arranged above the upper cover of the movement, and a sealing cover is arranged above the thread pressing ring;

the top of the sealing cover is provided with a threaded column, the threaded column is cylindrical, a sealing sleeve is arranged in the threaded column, a wire protecting sleeve is arranged outside the wire, interference fit is arranged between the wire protecting sleeve and the sealing sleeve, a compression nut is sleeved outside the threaded column, the bottom of the threaded column is provided with a threading hole penetrating through the sealing cover, and the bottom of the sealing cover is provided with a glue filling groove communicated with the threading hole;

and the sensor mounting groove and the glue filling groove are filled with sealant.

Further, sealing rings are arranged between the upper cover of the movement and the watchcase and between the upper cover of the movement and the sealing cover.

Further, a gasket is arranged between the threaded compression ring and the upper cover of the movement.

Further, the sealing sleeve is higher than the threaded column, and a limiting groove is formed in the part, higher than the threaded column, of the sealing sleeve; a locking clamp is inserted between the sealing sleeve and the threaded column, an inner limiting block is arranged on the inner side of the top of the locking clamp, the inner limiting block is located in the limiting groove, and a plurality of longitudinal telescopic grooves are formed in the locking clamp.

Furthermore, the top of the locking clamp and the inner wall of the crimping nut are both provided with inclined planes.

Further, a circle of flange is arranged at the bottom of the sealing sleeve, and interference fit is formed between the flange and the inner wall of the threaded column.

Further, an outer limiting block is arranged on the outer side of the top of the locking clamp, and the outer diameter of the outer limiting block is larger than the inner diameter of the threaded column.

Further, a plurality of partition plates are arranged in the liquid collecting groove, and the height of each partition plate is lower than that of the outer wall of the sensor mounting groove.

The split nonmagnetic water meter of claim, wherein: the plurality of clapboards and the upper cover of the movement are integrally formed.

(III) beneficial effects

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular:

1. the upper cover of the machine core is provided with a liquid collecting tank outside the sensor mounting groove, and the liquid collecting tank can be gathered even if slight leakage exists, so that water inflow of the magnetic sensor-free module is avoided; the pouring sealant protective layer is not in direct contact with water, does not bear water pressure, and ensures that the sensor works normally for a long time; meanwhile, the liquid crystal module box is hung and installed at the wellhead, so that inspection and maintenance of a management department are facilitated.

2. The top of the sealing cover is provided with a threaded column which is cylindrical, a sealing sleeve is arranged in the threaded column, a wire protecting sleeve is arranged outside the wire, and the wire protecting sleeve is in interference fit with the sealing sleeve, so that water leakage is avoided;

3. the screw column is sleeved with a compression nut, the sealing sleeve is higher than the screw column and is provided with a limit groove, a locking clamp is inserted between the sealing sleeve and the screw column, an inner limit block is arranged on the inner side of the top of the locking clamp, the inner limit block is positioned in the limit groove, the locking clamp is provided with a plurality of longitudinal expansion grooves, and the top of the locking clamp and the inner wall of the compression nut are both provided with inclined planes; when the crimping nut is screwed down, the inclined surface of the inner wall of the crimping nut can extrude the locking clamp, so that the inner limiting block at the top of the crimping nut enters the limiting groove and compresses the sealing sleeve from all directions, and the tightness between the flexible wire protecting sleeve and the sealing sleeve is ensured.

Drawings

The utility model will be further described with reference to the accompanying drawings, in conjunction with examples.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic overall profile of the gauge;

FIG. 3 is a cross-sectional view of a gauge;

FIG. 4 is a schematic view of the seal cap bottom structure;

FIG. 5 is a schematic view of the top structure of the movement upper cover;

FIG. 6 is a schematic view of a locking clip construction;

figure 7 is a schematic structural diagram of a sealing sleeve.

Reference numerals illustrate:

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model is further described below with reference to the drawings and detailed description.

Referring to fig. 1, a split-type non-magnetic water meter comprises a meter 1 and a module box 2, wherein the meter 1 and the module box 2 are connected through a wire 3, the meter 1 is installed in a ground well and is always in a water-immersed state, and the module box 2 is fixed on a well wall and is provided with a liquid crystal screen, so that the module box 2 is prevented from being immersed in water for a long time, and the failure rate is reduced;

in order to achieve the reading acquisition and ensure the tightness of the bottom of the circuit part, as shown in fig. 3, the meter 1 comprises a meter shell 4, an impeller 5 is arranged in the meter shell 4, a metal sheet 6 is arranged at the top of the impeller 5, a movement upper cover 7 is arranged above the impeller 5, a sensor mounting groove 701 is arranged in the center of the movement upper cover 7, a non-magnetic sensor module 10 is arranged in the sensor mounting groove 701 and is filled with sealant 17, and the non-magnetic sensor module 10 is connected with the module box 2 through a lead 3; the number of turns of the metal sheet 6 is acquired by the magnetism-free sensor module 10, so that the flow rate is calculated and displayed or uploaded by the module case 2. By taking the readings without contact, the sealing performance of the metering cavity of the meter 1 can be improved, and water inflow of the circuit in the meter 1 is avoided.

It should be noted that, since there may be slight leakage during the long-term soaking, as shown in fig. 4, the cartridge upper cover 7 is provided with a liquid collecting groove 702 outside the sensor mounting groove 701, and even if there is slight leakage, the liquid collecting groove 702 is collected, so that water inlet of the magnetic sensor-free module 10 is avoided.

It should be noted that, because the counter 1 is always in a water-immersed state, the top of the counter is also required to prevent external water from entering, so a threaded compression ring 8 is arranged above the movement upper cover 7, a sealing cover 9 is arranged above the threaded compression ring 8, a threaded column 901 is arranged at the top of the sealing cover 9, the threaded column 901 is in a cylindrical shape, a sealing sleeve 12 made of a flexible material is arranged in the threaded column 901, a circle of flange is arranged at the bottom of the sealing sleeve 12, and interference fit is formed between the flange and the inner wall of the threaded column 901, so that water leakage is avoided; the wire 3 is provided with a wire protecting sleeve 11, and the wire protecting sleeve 11 is in interference fit with the sealing sleeve 12, so that water leakage is avoided; the bottom of the threaded column 901 is provided with a threading hole 902 penetrating through the sealing cover 9, the bottom of the sealing cover 9 is provided with a glue filling groove 903 communicated with the threading hole 902, and the glue filling grooves 903 are filled with sealing glue 17.

Because wire 3 and wire sheath 11 are the flexible material, in order to further improve the leakproofness between wire sheath 11 and the seal cover 12, need compress tightly seal cover 12, this application adopts following scheme:

as shown in fig. 3, 6 and 7, a compression nut 14 is sleeved outside the threaded column 901, the sealing sleeve 12 is higher than the threaded column 901, and a limiting groove 1201 is formed in the part of the sealing sleeve 12 higher than the threaded column 901; a locking clamp 13 is inserted between the sealing sleeve 12 and the threaded column 901, an inner limiting block 1302 is arranged on the inner side of the top of the locking clamp 13, the inner limiting block 1302 is positioned in the limiting groove 1201, a plurality of longitudinal expansion grooves 1303 are formed in the locking clamp 13, and inclined planes are formed on the top of the locking clamp 13 and the inner wall of the crimping nut 14.

Through the above technical scheme, when the crimping nut 14 is screwed down, the inclined surface of the inner wall of the crimping nut can squeeze the inclined surface at the top of the locking clamp 13, and as the locking clamp 13 is provided with a plurality of longitudinal telescopic grooves 1303, the crimping nut 14 can shrink inwards and move downwards simultaneously under the extrusion of the crimping nut 14; the locking clamp 13 compresses the sealing sleeve 12 from all directions when contracting, so that the sealing sleeve 12 tightly holds the wire protecting sleeve 11, and the tightness between the wire protecting sleeve 11 and the sealing sleeve 12 is ensured; because the bottom of the sealing sleeve 12 is provided with a circle of flange, the downward movement of the locking clamp 13 can press the flange downwards, so that the tightness of the top of the threading hole 902 is ensured.

It can be understood that sealing rings 16 are arranged between the movement upper cover 7 and the watchcase and between the movement upper cover 7 and the sealing cover 9, and gaskets 15 are arranged between the threaded compression ring 8 and the movement upper cover 7 so as to ensure tightness of all parts.

It is worth mentioning that an outer limiting block 1301 is arranged on the outer side of the top of the locking clamp 13, the outer diameter of the outer limiting block 1301 is larger than the inner diameter of the threaded column 901, on one hand, the locking clamp 13 is convenient to install, the bottom of the outer limiting block 1301 and the top end face of the threaded column 901 are utilized for limiting, and the locking clamp 13 is prevented from crushing the sealing sleeve 12; on the other hand, the thickness of the top of the locking clamp 13 is increased by the outer limiting block 1301, so that the inclined surface area of the top of the locking clamp 13 is increased, the stressed area during locking is increased, and the locking effect is ensured.

As one preferred embodiment, as shown in fig. 5, a plurality of baffles 703 are arranged in the liquid collecting tank 702, and the height of the baffles 703 is lower than the outer wall of the sensor mounting tank 701; by providing the partition 703, the liquid collecting tank 702 is partitioned into a plurality of deep tanks, and a small amount of liquid is adsorbed by using the viscosity and surface tension of the liquid, so that it is prevented from entering the sensor mounting tank 701 in the middle.

In the above technical scheme, a plurality of baffles 703 and core upper cover 7 are integrated into one piece, improve the separation effect, reduce the assembly degree of difficulty.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical scope of the present utility model, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims

1. The utility model provides a split type no magnetism water gauge, includes counter (1) and module box (2), link to each other through wire (3), its characterized in that between counter (1) and module box (2): the meter (1) comprises a meter shell (4), wherein an impeller (5) is arranged in the meter shell (4), and a metal sheet (6) is arranged at the top of the impeller (5);

a machine core upper cover (7) is arranged above the impeller (5), a sensor mounting groove (701) is formed in the center of the machine core upper cover (7), a non-magnetic sensor module (10) is arranged in the sensor mounting groove (701), a lead (3) is connected to the non-magnetic sensor module (10), and a liquid collecting groove (702) is formed in the outer side of the sensor mounting groove (701) in the machine core upper cover (7); a threaded compression ring (8) is arranged above the machine core upper cover (7), and a sealing cover (9) is arranged above the threaded compression ring (8);

the sealing cover is characterized in that a threaded column (901) is arranged at the top of the sealing cover (9), the threaded column (901) is cylindrical, a sealing sleeve (12) is arranged in the threaded column, a wire protecting sleeve (11) is arranged outside the wire (3), the wire protecting sleeve (11) is in interference fit with the sealing sleeve (12), a compression nut (14) is sleeved outside the threaded column (901), a threading hole (902) penetrating through the sealing cover (9) is formed in the bottom of the threaded column (901), and a glue filling groove (903) communicated with the threading hole (902) is formed in the bottom of the sealing cover (9);

and the sensor mounting groove (701) and the glue filling groove (903) are filled with sealant (17).

2. The split nonmagnetic water meter of claim 1, wherein: sealing rings (16) are arranged between the machine core upper cover (7) and the watchcase and between the machine core upper cover (7) and the sealing cover (9).

3. The split nonmagnetic water meter of claim 1, wherein: a gasket (15) is arranged between the thread pressing ring (8) and the movement upper cover (7).

4. The split nonmagnetic water meter of claim 1, wherein: the sealing sleeve (12) is higher than the threaded column (901), and a limiting groove (1201) is formed in the part, which is higher than the threaded column (901), of the sealing sleeve (12); a locking clamp (13) is inserted between the sealing sleeve (12) and the threaded column (901), an inner limiting block (1302) is arranged on the inner side of the top of the locking clamp (13), the inner limiting block (1302) is located in the limiting groove (1201), and a plurality of longitudinal telescopic grooves (1303) are formed in the locking clamp (13).

5. The split nonmagnetic water meter of claim 4, wherein: inclined planes are arranged on the top of the locking clamp and the inner wall of the compression nut (14).

6. The split nonmagnetic water meter of claim 5, wherein: a circle of flange is arranged at the bottom of the sealing sleeve (12), and interference fit is formed between the flange and the inner wall of the threaded column (901).

7. The split nonmagnetic water meter of claim 4, wherein: an outer limiting block (1301) is arranged on the outer side of the top of the locking clamp (13), and the outer diameter of the outer limiting block (1301) is larger than the inner diameter of the threaded column (901).

8. The split nonmagnetic water meter of claim 1, wherein: a plurality of partition plates (703) are arranged in the liquid collecting groove (702), and the heights of the partition plates (703) are lower than the outer wall of the sensor mounting groove (701).

9. The split nonmagnetic water meter of claim 8, wherein: the plurality of partition boards (703) and the movement upper cover (7) are integrally formed.