CN213041302U - Ultrasonic water meter sealing structure - Google Patents

Abstract

The utility model discloses an ultrasonic water meter sealing structure, including the outer seal chamber fixed with the ultrasonic wave pipe and the inner seal chamber arranged in the outer seal chamber, the outer seal chamber includes the lower casing fixed with the ultrasonic wave pipe and the upper casing that the lid was established on the lower casing and with lower casing detachable connection, the inner seal chamber is a top surface open-ended middle chamber, the upper mouth part of middle chamber and upper casing inner top surface sealing connection, be provided with detection circuit board and group battery in the middle chamber, be provided with waterproof executor in the lower casing, waterproof executor passes the lower casing and arranges in the ultrasonic wave pipe; the utility model discloses an ultrasonic water meter seal structure, simple structure does not increase ultrasonic water meter structure volume, realizes multistage sealed waterproof, improves water-proof effects.

Description

Ultrasonic water meter sealing structure

Technical Field

The utility model belongs to the ultrasonic water meter field, more specifically the utility model relates to an ultrasonic water meter seal structure.

Background

As is well known, in order to save water resources and control water resources wasted by people, a water meter is generally installed on a water inlet pipe of each household, and compared with a conventional mechanical water meter, an ultrasonic water meter is widely applied because of its high precision, wide measuring range, no action part, low failure rate, stable operation, and capability of storing and transmitting flow signals. The ultrasonic water meter is a novel water meter which is high in measurement precision and stable in operation and can further integrate the flow of outlet water by detecting the time difference generated by the change of the speed when an ultrasonic sound beam propagates in the downstream and the upstream in water and analyzing and processing the flow to obtain the flow rate of the outlet water.

In the prior art, the ultrasonic water meter contains parts such as a circuit board and a battery, so that the waterproof requirement is high, but the ultrasonic waterproof structure or the sealing structure in the prior art often has the problems of water leakage and the like, and the waterproof effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic water meter seal structure, simple structure does not increase ultrasonic water meter structure volume, realizes multistage sealed waterproof, improves water-proof effects.

The utility model provides a technical scheme ultrasonic water meter seal structure, include the external seal chamber fixed with the ultrasonic wave pipe and arrange in the internal seal chamber of external seal intracavity, the external seal chamber includes and establishes with fixed lower casing and the lid of ultrasonic wave pipe on the casing down and with casing releasable connection's last casing down, the internal seal chamber is a top surface open-ended middle chamber, the upper shed portion of middle chamber with top surface sealing connection in the upper shell, middle intracavity is provided with detection circuit board and group battery, the internal waterproof executor that is provided with of inferior valve, waterproof executor passes the casing is arranged in down in the ultrasonic wave is intraductal.

Preferably, the edge of the upper opening of the lower shell is provided with a first sealing groove, a first sealing ring is fixed in the first sealing groove, and the edge of the lower opening of the upper shell is provided with a second sealing groove adapted to the first sealing groove.

Preferably, the edge of the upper opening of the middle cavity is provided with a third sealing groove, a second sealing ring is arranged in the third sealing groove, an extension cavity which is matched with the shape of the upper opening of the middle cavity is fixed on the inner top surface of the upper shell, and the extension cavity extends downwards and is in sealing butt joint with the upper opening of the middle cavity.

Preferably, the lower oral area in extension chamber is planar, be provided with the visual window on the last top surface of the last casing in the extension intracavity, the detachable is fixed with the circuit board clamp plate on the visual window, the circuit board clamp plate with detect the circuit board contact and compress tightly fixed detection circuit board.

Preferably, only two battery jars are arranged in the middle cavity, mounting plates are erected on the two battery jars, and the detection circuit board is fixed on the mounting plates; the bottom of middle chamber is provided with a plurality of mounting holes, and the bottom surface border downwardly extending of middle chamber and with the casing is fixed down.

Preferably, at least two supporting rib plates are arranged in the lower shell in parallel, clamping grooves are formed in the two supporting rib plates respectively, and the bottom edge of the middle cavity is arranged in the clamping grooves to fix the middle cavity.

Preferably, the bottom of the lower shell is provided with a semi-cylindrical groove for accommodating the ultrasonic wave tube, and a side opening of the semi-cylindrical groove extends downwards out of the bottom surface of the lower shell.

The utility model discloses technical scheme's an ultrasonic water meter seal structure's beneficial effect is:

1. set up external seal chamber and interior seal chamber, including the seal chamber with installation such as test circuit board and group battery, realize multistage waterproof, water-proof effects is good, ultrasonic water meter fault rate is low, and through the design and the overall arrangement of the concrete structure of external seal chamber and interior seal chamber for ultrasonic water meter simple structure, it is small, convenient to install and use.

2. The support rib plate is arranged for fixing the middle cavity, and the middle cavity is convenient, fast and stable to install.

Drawings

Figure 1 is an explosion diagram of a sealing structure of an ultrasonic water meter according to the technical scheme of the utility model,

fig. 2 is a schematic structural view of a sealing structure of an ultrasonic water meter according to the technical solution of the present invention,

fig. 3 is a schematic view of the internal structure of a sealing structure of an ultrasonic water meter according to the technical solution of the present invention,

figure 4 is a schematic view of the structure of the upper shell,

figure 5 is a schematic view of the structure of the middle cavity,

figure 6 is a schematic view of the ground structure of the middle chamber,

figure 7 is a schematic view of the internal structure of the lower shell,

fig. 8 is a schematic view of the bottom structure of the lower case.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

As shown in fig. 1 and fig. 2, the utility model discloses technical scheme an ultrasonic water meter seal structure, include the outer seal chamber fixed with ultrasonic wave pipe 10 and arrange the interior seal chamber of outer seal intracavity in. The outer sealed cavity comprises a lower shell 9 fixed with the ultrasonic wave tube 10 and an upper shell 1 which is covered on the lower shell 9 and detachably connected with the lower shell 9. The inner sealing cavity is a middle cavity 5 with an opening on the top surface, and the upper opening part of the middle cavity 5 is connected with the inner top surface of the upper shell 1 in a sealing way. A detection circuit board and a battery pack are arranged in the middle cavity 5. A waterproof actuator 7 is arranged in the lower shell 9, and the waterproof actuator 7 penetrates through the lower shell 9 and is arranged in the ultrasonic wave tube 10.

Based on above-mentioned technical scheme, will detect circuit board and group battery seal at the internal seal intracavity of middle chamber 5 then realize sealing once more through the external seal chamber to the internal seal circle, detect circuit board and group battery promptly receive twice sealed, and is sealed effectual, and the effectual detection circuit board of avoiding and group battery in use problem such as damp, intaking reduces ultrasonic water meter's fault rate. In the structure, the middle cavity 5 is sealed through the upper shell 1, the structure is simple and compact, and the problem of volume increase of the ultrasonic water meter caused by multi-stage sealing is solved.

The waterproof actuator 7 is an electromagnetic valve, and a third sealing ring 8 is arranged at the position where the electromagnetic valve penetrates through the lower shell 9 to realize sealing.

As shown in fig. 3 and 4, a first seal groove 91 is provided at the edge of the upper opening of the lower casing 9, a first seal ring 6 is fixed in the first seal groove 91, and a second seal groove 14 corresponding to the first seal groove 91 is provided at the edge of the lower opening of the upper casing 1. The first seal ring 6 is disposed in the first seal groove 91 and the second seal groove 14, so as to realize the sealing connection between the lower casing 9 and the upper casing 1.

As shown in fig. 3 and 5, a third sealing groove 51 is provided at the edge of the upper opening of the middle chamber 5, a second sealing ring 4 is provided in the third sealing groove 51, an extension chamber 12 having a shape corresponding to the upper opening of the middle chamber 5 is fixed on the inner top surface of the upper housing 1, and the extension chamber 12 extends downward and is in sealing butt joint with the upper opening of the middle chamber 5. The lower mouth part of the extension cavity 12 is planar, a visual window 11 is arranged on the upper top surface of the upper shell in the extension cavity 12, a circuit board pressing plate 14 is detachably fixed on the visual window 11, and the circuit board pressing plate 13 is in contact with the detection circuit board and is pressed and fixed with the detection circuit board.

Based on the upper technical scheme, realize the sealed of middle chamber 5, simple structure, simple to operate utilizes casing 1 to realize sealing twice to detection circuit board and power etc..

As shown in fig. 6, only two battery cases 55 are provided in the intermediate chamber 5, the mounting plate 52 is provided on the two battery cases 55, and the detection circuit board 2 is fixed to the mounting plate 52. The bottom of the middle chamber 5 is provided with a plurality of mounting holes 54, and the bottom edge 53 of the middle chamber 5 extends downwards and is fixed with the lower shell 9. The design of middle chamber 5 structure among this technical scheme is convenient for the installation of battery on the one hand, and the middle chamber 5 itself of being convenient for is fixed in casing 9 down on the other hand.

As shown in fig. 7 and 8, at least two support ribs 91 are arranged in parallel in the lower housing 9, the two support ribs 91 are respectively provided with a slot 92, and the bottom edge of the middle cavity 5 is placed in the slot 92 to fix the middle cavity 5. The bottom of the lower housing 9 is provided with a semi-cylindrical groove 93 for accommodating the ultrasonic wave tube 10, and a side opening 94 of the semi-cylindrical groove 93 extends downwards to the bottom of the lower housing 9, so that the lower housing 9 and the ultrasonic wave tube 10 can be fixed conveniently. The lower shell is fixed with the ultrasonic wave tube through a tube hoop.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.

Claims (7)

1. The utility model provides an ultrasonic water meter seal structure, its characterized in that includes the external seal chamber of fixing with the ultrasonic wave pipe and arranges in the internal seal chamber of external seal intracavity, the external seal chamber includes and establishes with fixed lower casing and the lid of ultrasonic wave pipe on the casing down and with casing releasable connection's last casing down, the internal seal chamber is a top surface open-ended middle chamber, the upper oral area of middle chamber with top surface sealing connection in the last casing, middle intracavity is provided with detection circuitry board and group battery, be provided with waterproof executor down in the casing, waterproof executor passes the casing is arranged in down in the ultrasonic wave is intraductal.

2. The ultrasonic water meter sealing structure according to claim 1, wherein a first sealing groove is formed in an edge of an upper opening of the lower housing, a first sealing ring is fixed in the first sealing groove, and a second sealing groove adapted to the first sealing groove is formed in an edge of a lower opening of the upper housing.

3. The ultrasonic water meter sealing structure according to claim 1, wherein a third sealing groove is formed in the edge of the upper opening of the middle chamber, a second sealing ring is arranged in the third sealing groove, an extension chamber which is adapted to the shape of the upper opening of the middle chamber is fixed on the inner top surface of the upper housing, and the extension chamber extends downward and is in sealing butt joint with the upper opening of the middle chamber.

4. The ultrasonic water meter sealing structure according to claim 3, wherein the lower opening of the extension chamber is planar, a visual window is provided on the upper top surface of the upper housing in the extension chamber, a circuit board pressing plate is detachably fixed on the visual window, and the circuit board pressing plate contacts with and presses and fixes the detection circuit board.

5. The ultrasonic water meter sealing structure according to claim 1, wherein only two battery jars are provided in the intermediate chamber, a mounting plate is provided on the two battery jars, and the detection circuit board is fixed on the mounting plate; the bottom of middle chamber is provided with a plurality of mounting holes, and the bottom surface border downwardly extending of middle chamber and with the casing is fixed down.

6. The ultrasonic water meter sealing structure according to claim 5, wherein at least two support ribs are arranged in parallel in the lower case, a slot is respectively arranged on each support rib, and the bottom edge of the middle chamber is arranged in the slot to fix the middle chamber.

7. An ultrasonic water meter sealing structure according to claim 1, wherein the lower housing bottom is provided with a semi-cylindrical groove for accommodating an ultrasonic wave tube, and a side opening of the semi-cylindrical groove extends downward beyond the lower housing bottom.

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