CN213874502U - Electromagnetic water meter with dustproof and waterproof meter cover - Google Patents

Abstract

The utility model discloses a dustproof and waterproof electromagnetic water meter with a meter cover, which comprises a water receiving pipe, wherein a metering device is arranged on the water receiving pipe, the metering device comprises a first shell and a meter cover arranged on the first shell, the meter cover comprises an annular meter cover body arranged on the first shell, a glass window and a glass window gland which are arranged in the hollow part of the inner surface of the meter cover body, a second annular groove is arranged between the inner surface of the meter cover body and the upper surface of the glass window, and a second sealing ring is arranged in the second annular groove; and a third annular groove is formed between the upper surface of the glass window gland and the lower surface of the glass window, and a third sealing ring is arranged in the third annular groove. The utility model provides a table lid dustproof and waterproof's electromagnetic water meter through two sealing rings that set up so that still can go to keep the leakproofness of table lid through another sealing ring when one of them sealing ring goes wrong, has simple structure, simple to operate's advantage.

Description

Electromagnetic water meter with dustproof and waterproof meter cover

Technical Field

The utility model belongs to the technical field of the water gauge technique and specifically relates to a table lid dustproof and waterproof's electromagnetic water meter.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

The electromagnetic water meter with the dustproof and waterproof meter cover is a metering instrument specially designed for actual requirements of water supply and utilization enterprises, is specially designed for the water industry, can optimize water supply and utilization and ensure accurate water trade metering settlement, and meets the new water meter standard of GB/T778-2018. The electromagnetic water meter with dustproof and waterproof meter cover has numerous advantages, including: the unique design of the all-stainless steel shell ensures that the water meter can be used in a high-pollution corrosion environment, conforms to the domestic water meter use environment, and also has the advantages of all-through structure, zero pressure loss and no abrasion; and the electromagnetic water meter with the dustproof and waterproof meter cover is far superior to the traditional water meter in the aspects of ultra-large range ratio, small flow sensitivity and ultra-large flow measurement, and is often used in places with high data measurement requirements and complex environment.

At present, the inside of the known electromagnetic water meter is provided with a precise electronic module, such as a metering module and a remote transmission module, so that if water enters or sand enters the inside, the electronic module can easily fail, compared with the traditional water meter, the waterproof requirement of the electromagnetic water meter is higher, the electronic module is generally arranged below the meter cover in the existing electromagnetic water meter, the electronic module can be prevented from failing due to the fact that water enters from a gap between the meter cover and a shell, but the sealing performance of the existing meter cover is poor, so that the water meter can easily fail due to the fact that dust enters the water.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a table lid dustproof and waterproof's electromagnetic water meter through two sealing rings that set up so that still can go to keep the leakproofness of table lid through another sealing ring when one of them sealing ring goes wrong, has simple structure, simple to operate's advantage.

The utility model discloses a following technical scheme realizes: a dustproof and waterproof electromagnetic water meter of a meter cover comprises a water receiving pipe, wherein a metering device is arranged on the water receiving pipe, the metering device comprises a first shell and a meter cover arranged on the first shell, the meter cover comprises an annular meter cover body arranged on the first shell, a glass window and a glass window pressing cover arranged in the hollow part of the inner surface of the meter cover body, a second annular groove is arranged between the inner surface of the meter cover body and the upper surface of the glass window, and a second sealing ring is arranged in the second annular groove; and a third annular groove is formed between the upper surface of the glass window gland and the lower surface of the glass window, and a third sealing ring is arranged in the third annular groove.

In one embodiment, a first annular groove is defined between the upper end surface of the first case and the inner surface of the case lid body, and a first seal ring is disposed in the first annular groove.

In one embodiment, the inside of the watch case body is provided with a mounting recess recessed in the inner surface of the watch case body, and the glass window pressing cover are disposed in the mounting recess.

In one embodiment, an annular surrounding rib extends downwards on the inner surface of the watch cover body, and a mounting concave position is formed inside the annular surrounding rib.

In one embodiment, a remote transmission device is arranged on the metering device, and the remote transmission device is connected with the metering device through a pipeline pipe.

In one embodiment, the remote transmission device is provided with an aviation plug for connecting the metering device or the remote transmission device.

In one embodiment, the aviation plug is disposed downward.

In one embodiment, the lateral surface of the remote transmission device extends horizontally with an external convex part, and the aviation plug is arranged at the lower side of the external convex part.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up the second sealing ring and constitute first waterproof construction between the internal surface of table lid body and the upper surface of glass window, set up the third sealing ring and constitute second waterproof construction between the upper surface of glass window gland and the lower surface of glass window, so even still can carry out waterproof guarantee through another sealing ring after one of them sealing ring became invalid, avoid setting up and intake at the metering module of glass window gland downside to improve the leakproofness, guarantee electromagnetic water meter's normal measurement work. The design has the advantages of simple structure and convenient installation.

Drawings

Fig. 1 is a schematic perspective view of a dustproof and waterproof electromagnetic water meter with a meter cover.

Fig. 2 is a schematic top view of the electromagnetic water meter with the dustproof and waterproof cover.

Fig. 3 is an internal structure diagram of the C-C plane in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1-4, the utility model discloses a dustproof and waterproof electromagnetic water meter with a meter cover, which comprises a water receiving pipe 1 and a metering device 2, wherein,

the water receiving pipe 1 comprises a water receiving pipe 1 body and a metering sensor (not shown in the figure) arranged in the water receiving pipe 1 body, and the metering sensor is connected with the metering device 2;

the metering device 2 is arranged on the water receiving pipe 1, the metering device 2 is located above the water receiving pipe 1, the metering device 2 comprises a first shell, a metering module is arranged in the first shell, the metering module is connected with a metering sensor, and a meter cover is arranged on the first shell. The watch cover comprises a ring-shaped watch cover body 21 arranged on the first shell, a glass window 22 and a glass window gland 23 which are arranged in the hollow part of the inner surface of the watch cover body 21,

wherein, in one embodiment, the metering module comprises a dashboard, an electronic converter and a battery, which are arranged from top to bottom, the dashboard is a liquid crystal dashboard, the dashboard and the electronic converter are arranged on the lower side of the glass window cover 23, and the battery is arranged below the electronic converter. In this way, in order to prevent the instrument panel, the electronic converter and the battery from being flooded, a second annular groove is provided between the inner surface of the bezel body 21 and the upper surface of the glass window 22, and a second seal ring 6 is provided in the second annular groove. By utilizing the interference fit between the second sealing ring 6 and the meter cover body 21 and the glass window 22 to realize the sealing performance of the joint, the water body is prevented from entering the metering device 2. Simultaneously, carry on spacingly to second sealing ring 6 through the second annular groove that sets up, avoid second sealing ring 6 to appear shifting, effectively improve second sealing ring 6's installation stability.

Further, a third annular groove is formed between the upper surface of the glass window gland 23 and the lower surface of the glass window 22, and a third sealing ring 7 is arranged in the third annular groove. The third sealing ring 7 is in interference fit with the glass window gland 23 and the glass window 22 to realize the sealing performance of the joint, so that water is prevented from entering the metering device 2. Simultaneously, carry on spacingly to third sealing ring 7 through the third annular groove that sets up, avoid third sealing ring 7 to appear shifting, effectively improve third sealing ring 7's installation stability. So set up and still can ensure the water and can not utilize the gap infiltration inside between glass window gland 23 and the glass window 22 through third sealing ring 7 when second sealing ring 6 became invalid, effectively prevent to set up panel board, electronic converter and the battery intake in glass window gland 23 downside.

Therefore, the utility model discloses a set up the second sealing ring and constitute first waterproof construction between the internal surface of table lid body and the upper surface of glass window, set up the third sealing ring and constitute second waterproof construction between the upper surface of glass window gland and the lower surface of glass window, so even still can carry out waterproof guarantee through another one sealing ring after one of them sealing ring became invalid, avoid setting up and intake at the metering module of glass window gland 23 downside to improve the leakproofness, guarantee electromagnetic water meter's normal measurement work. The design has the advantages of simple structure and convenient installation.

Further, in order to improve the waterproof performance, a first annular groove is provided between the upper end surface of the first case and the inner surface of the case cover body 21, and a first seal ring 5 is provided in the first annular groove. Through the first sealing ring between the up end of first casing and the internal surface of table lid body 21 to utilize interference fit between first sealing ring 5 and first casing and the table lid body 21 in order to realize the leakproofness of junction, avoid in water or the sand and dust gets into the electromagnetism water gauge. Simultaneously, carry on spacingly to first sealing ring 5 through the first annular groove that sets up, avoid first sealing ring 5 to appear shifting, effectively improve first sealing ring 5's installation stability to effectual guarantee electromagnetic water meter's normal work.

In this case, the glass window 22 and the glass window cover 23 are mounted inside the case lid body 21 in various ways, and in a preferred embodiment, the inside of the case lid body 21 is provided with a mounting recess 212 recessed in the inner surface of the case lid body 21, and the glass window 22 and the glass window cover 23 are disposed in the mounting recess 212. The setting has the following effects: firstly, the installation is convenient, and the glass window 22 and the glass window gland 23 can be quickly positioned and installed through the arranged installation concave position 212; the installation is simple, the glass window gland 23 and the meter cover body 21 can be fixed only by bolts or interference fit, and the structure is simple; thirdly, the sealing performance is good, and water is effectively prevented from entering.

An annular surrounding rib 211 extends downward from the inner surface of the case lid body 21, and a mounting recess 212 is formed inside the annular surrounding rib 211. The annular surrounding rib 211 not only plays a role in mounting and positioning when the watch cover body 21 is mounted on the first housing, but also can form a mounting concave position 212 inside the annular surrounding rib 211, so that the structure of the watch cover body 21 becomes simple.

Wherein, be equipped with teletransmission device 3 on metering device 2, teletransmission device 3 is located one side of metering device 2 and teletransmission device 3 is connected with metering device 2 through line pipe 4, and teletransmission device 3 includes the second casing, is equipped with the teletransmission module in the second casing, and the metering module is connected with the teletransmission module, is equipped with the upper cover on the second casing.

Furthermore, the remote transmission device 3 is provided with an aviation plug 31 for connecting the metering device 2 or the remote transmission device 3, and specifically, the aviation plug 31 is connected with the metering module or the remote transmission module. In one embodiment, the aviation plug 31 includes a pressure input interface, a pulse output interface and an RS485 output interface, so that the aviation plug 31 is provided with a wired access port for the electromagnetic water meter with the dustproof and waterproof meter cover as required, but the waterproof performance of the wired access port is relatively poor, so that a water body may penetrate into the electromagnetic water meter with the dustproof and waterproof meter cover through the aviation plug 31 to cause failure of an electronic module, and a certain water inlet hidden danger exists.

Further, aviation plug 31 sets up down, so set up make the water be difficult to get into teletransmission device 3 in, reduce the risk that aviation plug 31 intake, promote the waterproof ability of table lid dustproof and waterproof's electromagnetic water meter.

Furthermore, the lateral surface of the remote transmission device 3 horizontally extends to form an outer convex part 32, and the aviation plug 31 is arranged on the lower side of the outer convex part 32, so that the outer convex part 32 can be utilized to provide shielding protection for the aviation plug 31, and therefore, the aviation plug 31 can be arranged at different positions, and the flexibility of the position design of the aviation plug 31 is improved.

Wherein, because equipment itself operation in-process can produce electromagnetic harmonic, perhaps its peripheral equipment can produce electromagnetic harmonic in the operation, the existence of these electromagnetic harmonics can lead to the unable normal work of this equipment, under the serious condition of electromagnetic harmonic, can lead to the damage of this equipment, for the interference of electromagnetic harmonic to the electromagnetism water gauge, still including setting up the jam-proof protection mechanism on water receiving pipe 1, metering device 2 and teletransmission device 3. The anti-interference protection mechanism is a shell surrounding the water receiving pipe 1, the metering device 2 and the remote transmission device 3. The shell is made of metal.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (8)

1. A dustproof and waterproof electromagnetic water meter of a meter cover comprises a water receiving pipe, wherein a metering device is arranged on the water receiving pipe, and the metering device comprises a first shell and a meter cover arranged on the first shell; and a third annular groove is formed between the upper surface of the glass window gland and the lower surface of the glass window, and a third sealing ring is arranged in the third annular groove.

2. The electromagnetic water meter with a dustproof and waterproof cover according to claim 1, wherein a first annular groove is defined between the upper end surface of the first case and the inner surface of the cover body, and a first seal ring is provided in the first annular groove.

3. The electromagnetic water meter of claim 2, wherein the cover body has a mounting recess recessed in an inner surface of the cover body, and the window glass cover are disposed in the mounting recess.

4. The dustproof and waterproof electromagnetic water meter as claimed in claim 3, wherein an annular rib extends downward from the inner surface of the cover body, and a mounting recess is formed inside the annular rib.

5. The dustproof and waterproof electromagnetic water meter as claimed in claim 1, wherein a remote transmission device is provided on the metering device, and the remote transmission device is connected to the metering device through a line pipe.

6. A dustproof and waterproof electromagnetic water meter as claimed in claim 5, wherein the remote transmitting means is provided with an aviation plug for connecting the metering means or the remote transmitting means.

7. The electromagnetic water meter with a dustproof and waterproof cover as set forth in claim 6, wherein the aviation plug is disposed downward.

8. The electromagnetic water meter of claim 7, wherein the remote-transmitting unit has a horizontally extending outer projection on a side thereof, and the aircraft plug is provided on a lower side of the outer projection.

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