CN219736476U - Electronic unit waterproof structure of large-caliber ultrasonic water meter - Google Patents

Abstract

The utility model provides a heavy-calibre ultrasonic water meter electronic unit waterproof construction, waterproof construction sets up in ultrasonic water meter's inferior valve bottom, waterproof construction includes the waterproof joint of not less than one. The waterproof joint comprises a spool assembled with the lower shell, and an isolation layer is arranged in the spool. The spool comprises a locking part, a locking sleeve is sleeved in the locking part, and a through locking nut is connected to the outside of the locking part. When the user needs to be led out, the isolating layer is only required to be perforated, and glue filling is carried out after the line is led out. The waterproof structure is fixedly connected with the ultrasonic water meter by adopting a static seal, and the seal is reliable. Compared with the prior art, the utility model has the following beneficial effects: the waterproof connector multi-hole outgoing lines with different numbers can be assembled, wiring is convenient, the problem that sealing glue is not completely filled due to small gaps between lines is solved, and sealing effect is improved.

Description

Electronic unit waterproof structure of large-caliber ultrasonic water meter

Technical Field

The utility model belongs to the technical field of ultrasonic water meters, and particularly relates to a waterproof structure of an electronic unit of a large-caliber ultrasonic water meter.

Background

An ultrasonic water meter is a water meter for measuring water flow by utilizing an ultrasonic sensing technology. The non-contact measuring method is adopted, the water flow is calculated by transmitting ultrasonic signals and measuring the time and the water flow speed required by the signals reflected from the water flow, and the non-contact measuring method has the advantages of high measuring precision and small error, and has strong adaptability and stability. In addition, the ultrasonic water meter does not need a mechanical transmission structure, so that the ultrasonic water meter has longer service life and lower maintenance cost.

The existing ultrasonic water meter mostly adopts a single-hole wire outlet, and has the defects that as the ultrasonic water meter is provided with only one wire outlet, when a plurality of systems are required to be simultaneously connected, the problems of inconvenient wire connection, wire outlet limitation, poor mechanical sealing performance and the like exist. In addition, single hole outlet ultrasonic water meters may also have blockage problems, causing reading bias.

Accordingly, the present utility model has been further designed and developed based on some of the above prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the waterproof structure of the electronic unit of the large-caliber ultrasonic water meter, which can be assembled with waterproof connectors with different numbers, is convenient to wire, reduces the problem of incomplete filling of sealant caused by small gaps between wires, and improves the sealing effect.

In order to solve the technical problems, the utility model is solved by the following technical scheme.

The utility model provides a heavy-calibre ultrasonic water meter electronic unit waterproof construction, waterproof construction sets up in ultrasonic water meter's inferior valve bottom, waterproof construction includes the waterproof joint of not less than one.

The waterproof joint comprises a spool assembled with the lower shell, and an isolation layer is arranged in the spool. The spool comprises a locking part, a locking sleeve is sleeved in the locking part, and a through locking nut is connected to the outside of the locking part. When the user needs to be led out, the isolating layer is only required to be perforated, and glue filling is carried out after the line is led out. The waterproof structure is fixedly connected with the ultrasonic water meter by adopting a static seal, and the seal is reliable.

In a preferred embodiment, the conduit comprises a conduit body, the lower part of which is provided with a fitting edge. When the spool is assembled with the lower shell, a sealing ring is assembled between the assembly edge and the lower shell, so that water is prevented from leaking from a gap between the spool and the lower shell, and the sealing is reliable.

In a preferred embodiment, the waterproof joint further comprises a fixing nut, wherein the fixing nut is fixedly connected with the pipe body, so that sealing glue filling is facilitated to be simplified, and punching is facilitated.

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

1. the waterproof connector multi-hole outgoing lines with different numbers can be assembled, wiring is convenient, the problem that sealing glue is not completely filled due to small gaps between lines is solved, and sealing effect is improved.

2. The special waterproof joint is adopted to extend out the lead of the electronic unit, the glue consumption is greatly reduced, and the mechanical sealing performance is improved.

Drawings

Fig. 1 is a schematic perspective view of an ultrasonic water meter.

Fig. 2 is an exploded view of an ultrasonic water meter.

Fig. 3 is a perspective view of the lower case.

Fig. 4 is a top view of the lower housing and display control module assembly.

Fig. 5 is a plan sectional view of the waterproof joint.

The following is a description of the marks in the drawings of the specification:

1. an upper case;

2. a lower case; 21. a protective wall; 22. a reinforcing plate; 23. a limit groove; 24. an assembly chamber;

3. a watch cover;

4. a display control module; 41. a limit protrusion;

5. a battery case;

6. a waterproof joint; 61. a conduit; 62. an isolation layer; 63. a locking part; 64. a locking sleeve; 65. a lock nut; 66. assembling edges; 67. a seal ring; 68. and (5) fixing a nut.

Detailed Description

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

In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, and the embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it is to be understood that the terms: the directions of the center, the longitudinal, the lateral, the length, the width, the thickness, the upper, the lower, the front, the rear, the left, the right, the vertical, the horizontal, the top, the bottom, the inner, the outer, the clockwise, the counterclockwise, etc. indicate the directions or the positional relationship based on the directions or the positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and therefore, should not be construed as limiting the present utility model. Furthermore, the term: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of features shown. In the description of the present utility model, unless explicitly specified and defined otherwise, the terms: mounting, connecting, etc. should be construed broadly and the specific meaning of the terms in the present application will be understood by those skilled in the art in view of the specific circumstances.

Referring to fig. 5, a waterproof structure of an electronic unit of a large-caliber ultrasonic water meter is arranged at the bottom of a lower shell 2 of the ultrasonic water meter, and comprises at least one waterproof joint 6. The waterproof joint 6 comprises a wire tube 61 assembled with the lower case 2, and an isolating layer 62 is provided in the wire tube 61. The spool 61 comprises a locking part 63, a locking sleeve 64 is sleeved in the locking part 63, and a through locking nut 65 is connected to the outside of the locking part 63 through threaded fit. When the user needs to be qualified for next round of competitions, only need punch on isolation layer 62, the glue filling can be done after being qualified for next round of competitions. The waterproof structure is fixedly connected with the ultrasonic water meter by adopting a static seal, the seal is reliable, and the glue consumption is greatly reduced.

Specifically, the conduit 61 comprises a body, the lower part of which is provided with a fitting edge 66. When the spool 61 is assembled with the lower shell 2, a sealing ring 67 is assembled between the assembly edge 66 and the lower shell 2, so that leakage of water from a gap between the spool 61 and the lower shell 2 is avoided, and the sealing is reliable. The waterproof joint 6 further comprises a fixing nut 68, and the fixing nut 68 is fixedly connected with the pipe body through threaded matching, so that sealing glue filling is facilitated to be simplified, and punching is facilitated.

Referring to fig. 1 to 4, an ultrasonic water meter is equipped with the waterproof structure described above, and comprises an upper case 1 and a lower case 2, wherein an assembly cavity 24 is formed inside the upper case 1 and the lower case 2 after being assembled by screw-fit, an electronic unit requiring an external lead is arranged in the assembly cavity 24, and the lead extends into the lower case 2 through a waterproof joint 6. The ultrasonic water meter has the function of porous outgoing lines, is convenient to wire, reduces the problem that the sealant is not completely filled because the gaps between the lines are smaller, and improves the sealing effect.

Preferably, the electronic unit is an antenna unit or a pressure detection unit. The user can selectively assemble the electronic unit, facilitating customization of the ultrasonic water meter.

Specifically, the protective wall 21 is disposed in the lower shell 2, a reinforcing plate 22 is disposed between the protective wall 21 and the side wall of the lower shell 2, and the assembly cavity 24 is disposed in the protective wall 21, which is beneficial to reinforcing the strength of the lower shell 2.

The ultrasonic water meter further comprises a display control module 4, and the display control module 4 is fixedly connected with the upper surface of the protection wall 21 through threaded fit, so that the assembly is reliable and fixed. The side of the display control module 4 is provided with a limiting protrusion 41, and the protection wall 21 is provided with a limiting groove 23 matched with the limiting protrusion 41, so that the display control module 4 is prevented from shifting. The battery box 5 is connected below the display control module 4, and a battery can be installed in the battery box 5 to supply power for the display control module 4. After the display control module 4 is assembled with the upper shell 1, the upper shell 1 is provided with a display surface and a control surface, the upper shell 1 is rotatably connected with a meter cover 3, and the meter cover 3 is used for protecting the display surface and the control surface of the display control module 4.

The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.

Claims (3)

1. The electronic unit waterproof structure of the large-caliber ultrasonic water meter is characterized in that the waterproof structure is arranged at the bottom of a lower shell (2) of the ultrasonic water meter and comprises at least one waterproof joint (6);

the waterproof joint (6) comprises a wire tube (61) assembled with the lower shell (2), and an isolation layer (62) is arranged in the wire tube (61); the spool (61) comprises a locking part (63), a locking sleeve (64) is sleeved in the locking part (63), and a through locking nut (65) is connected to the outside of the locking part (63).

2. The waterproof structure of an electronic unit of a large-caliber ultrasonic water meter according to claim 1, wherein the conduit (61) comprises a conduit body, and the lower part of the conduit body is provided with an assembling edge (66); when the spool (61) is assembled with the lower shell (2), a sealing ring (67) is assembled between the assembling edge (66) and the lower shell (2).

3. The waterproof structure of the electronic unit of the large-caliber ultrasonic water meter according to claim 2, wherein the waterproof joint (6) further comprises a fixing nut (68), and the fixing nut (68) is fixedly connected with the tube body.