Transducer plastic insertion rod for ultrasonic water meter

Abstract

The utility model discloses a transducer plastic insert rod for ultrasonic water meter, the insert rod is embedded in a transducer pipe sleeve, a transducer assembly is embedded in the insert rod, the transducer assembly comprises a ceramic wafer and an insert rod cover, rubber gaskets are embedded in the ceramic wafer and the insert rod cover, the ceramic wafer is opposite to a reflecting mirror configured in a measuring pipe in the forward direction, and the insert rod cover is embedded in the ceramic wafer. According to the utility model, the plastic insertion rod is adopted to replace the traditional metal insertion rod, so that the weight is effectively reduced, the cost is reduced, and the corrosion resistance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic water meters, in particular to a plastic insert rod for a transducer of an ultrasonic water meter. Background Art

[0002] With the continuous development of ultrasonic technology, ultrasonic water meters have gradually replaced traditional mechanical water meters due to their advantages such as high accuracy, no mechanical wear, and no flow obstruction parts.

[0003] However, in existing ultrasonic water meters, the connecting components between ultrasonic sensors and the water meter main body usually use metal insert rods, which have problems such as large weight, high cost, and easy corrosion. Summary of the Invention

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, the abstract of the specification, and the name of the utility model to avoid obscuring the purpose of this part, the abstract of the specification, and the name of the utility model, but such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] In view of the problems existing in the above-mentioned existing ultrasonic insert rods, the present utility model is proposed.

[0006] Therefore, the purpose of the present utility model is to provide a plastic insert rod for a transducer of an ultrasonic water meter, which solves the problems of large weight, high cost, and easy corrosion of existing ultrasonic metal insert rods.

[0007] To solve the above technical problems, the present utility model provides the following technical solution: A plastic insert rod for a transducer of an ultrasonic water meter, the insert rod is embedded in a transducer sleeve, a transducer assembly is embedded in the insert rod, the transducer assembly includes a ceramic wafer and an insert rod cover, a rubber gasket is embedded in the ceramic wafer and the insert rod cover, and the ceramic wafer is directly opposite to a reflector arranged in a measuring tube.

[0008] As a preferred scheme of the plastic insert rod for a transducer of the ultrasonic water meter of the present utility model, wherein: a group of buckling rings are arranged on the end wall of the insert rod cover, a group of corresponding buckling parts are arranged on the end wall of the insert rod, and the buckling parts buckle the corresponding buckling rings to complete the fixation of the insert rod cover and the insert rod.

[0009] As a preferred scheme of the plastic insert rod for a transducer of the ultrasonic water meter of the present utility model, wherein: an annular groove for placing an O-ring is arranged at the top of the insert rod.

[0010] As a preferred scheme of the plastic insert rod for a transducer of the ultrasonic water meter of the present utility model, wherein: both the insert rod and the insert rod cover are made of plastic.

[0011] The present utility model provides a plastic insertion rod for an ultrasonic water meter, which has the following beneficial effects:

[0012] 1. The present utility model uses a plastic insertion rod to replace the traditional metal insertion rod, effectively reducing the weight, lowering the cost, and improving the corrosion resistance at the same time;

[0013] 2. The design of the snap ring and the snap component makes the installation more convenient and fast. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0015] Figure 1 It is a schematic exploded view of the whole of the present utility model. Detailed Embodiment

[0016] In order to make the above-mentioned objects, features, and advantages of the present utility model more obvious and understandable, the detailed embodiments of the present utility model will be described below with reference to the drawings of the specification.

[0017] Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar promotions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0018] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present utility model. The "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments.

[0019] Furthermore, the present utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of the present utility model in detail, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples, which should not limit the protection scope of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included. Embodiment

[0020] In the existing ultrasonic water meters, the connecting components between the ultrasonic sensor and the water meter main body usually use metal insertion rods, which have problems such as large weight, high cost, and easy corrosion.

[0021] Therefore, referring to Figure 1 , the utility model provides a plastic insert rod for a transducer of an ultrasonic water meter. The insert rod 2 is embedded in a transducer sleeve, and a transducer assembly 3 is embedded in the insert rod 2. The transducer assembly 3 includes a ceramic wafer 31 and an insert rod cover 32. A rubber gasket 33 is embedded in the ceramic wafer 31 and the insert rod cover 32, and the ceramic wafer 31 is directly opposite to a reflector arranged in a measuring pipe.

[0022] Furthermore, a set of buckling rings 32a are arranged on the end wall of the insert rod cover 32, and a set of corresponding buckling parts 21 are arranged on the end wall of the insert rod 2. The buckling parts 21 are buckled with the corresponding buckling rings 32a to complete the fixation of the insert rod cover 32 and the insert rod 2.

[0023] Furthermore, a ring groove for placing an O-ring is arranged at the top of the insert rod 2.

[0024] Moreover, both the insert rod 2 and the insert rod cover 32 are made of plastic.

[0025] The utility model provides a plastic insert rod for an ultrasonic water meter, having the following beneficial effects:

[0026] 1. The utility model uses a plastic insert rod to replace the traditional metal insert rod, effectively reducing the weight, lowering the cost, and improving the corrosion resistance at the same time;

[0027] 2. The design of the buckling rings and the buckling parts makes the installation more convenient and fast.

[0028] It should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model rather than to limit them. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the utility model can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the utility model, and they should all be covered by the scope of the claims of the utility model.

Claims

1. A plastic insertion rod for a transducer of an ultrasonic water meter, characterized in that: The insertion rod (2) is fitted in the transducer sleeve, and a transducer assembly (3) is embedded in the insertion rod (2). The transducer assembly (3) includes a ceramic wafer (31) and an insertion rod cover (32). A rubber gasket (33) is embedded in the ceramic wafer (31) and the insertion rod cover (32). The ceramic wafer (31) faces forwardly a reflector disposed in the measuring tube.

2. The plastic insertion rod of the transducer for ultrasonic water meter according to claim 1, characterized in that: A set of snap rings (32a) are provided on the end wall of the insertion rod cover (32), and a set of corresponding snap members (21) are provided on the end wall of the insertion rod (2). The snap members (21) snap onto the corresponding snap rings (32a) to complete the fixation of the insertion rod cover (32) and the insertion rod (2).

3. The plastic insertion rod of the transducer for ultrasonic water meter according to claim 2, characterized in that: A ring groove for placing an O-ring is provided at the top of the insertion rod (2).

4. The plastic insertion rod of the transducer for an ultrasonic water meter according to claim 3, characterized in that: Both the insertion rod (2) and the insertion rod cover (32) are made of plastic.

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