CN221259975U - Rectifying device of ultrasonic flowmeter - Google Patents

Abstract

The utility model discloses a rectifying device of an ultrasonic flowmeter, which relates to the technical field of ultrasonic flowmeters, and comprises a shell and further comprises: the rectifying component comprises a flow guide column and a flow dividing piece, wherein the flow guide column and the flow dividing piece are arranged in the shell, paddles are arranged in the flow dividing piece, and a linear flow guide hole is formed in the flow guide column; the self-locking structure comprises a locking piece, wherein a mounting groove is formed in the side wall of the shell, the locking piece is mounted in the mounting groove, and one end of the locking piece extends to the outside of the shell. The beneficial effects of the utility model are as follows: when the casing is connected to the pipeline, press the retaining member, under the pressure effect, the retaining member inclines, and its tip can extend to the inner chamber department of casing, and the tip restriction fairing of retaining member carries out the position like this, makes fairing can fix in the casing, and fairing's installation effectiveness improves.

Description

Rectifying device of ultrasonic flowmeter

Technical Field

The utility model relates to the technical field of ultrasonic flow meters, in particular to a rectifying device of an ultrasonic flow meter.

Background

The ultrasonic flowmeter is developed based on the principle that the propagation speed of ultrasonic waves in a flowing medium is equal to the vector sum of the average flow velocity of a measured medium and the speed of sound waves in a static medium, and because the airflow in a shell is inevitably disturbed, a rectifying device is required to be arranged at the front end of the flowmeter, and the rectifying device is used for rectifying so as to rectify a gas flow field into a stable flow field in a specific form, so that the ultrasonic flowmeter is convenient to measure and calculate.

The publication number is: CN218349560U discloses an ultrasonic flowmeter gas rectifier, including both ends open-ended barrel, locate barrel entrance point's water conservancy diversion subassembly and locate barrel exit point's water conservancy diversion subassembly, water conservancy diversion subassembly includes both ends open-ended draft tube, the draft tube cover is located the entrance point inboard of barrel and is concentric with it, there are a plurality of guide vanes along circumference equipartition between the outer wall of draft tube and the inner wall of barrel, the draft tube is formed with inside and outside interval distribution's first ring portion and second ring portion towards the one end of barrel entrance point, the inboard of first ring portion is equipped with a plurality of interconnect's first water conservancy diversion strip, there are a plurality of second water conservancy diversion strips along circumference equipartition between the outer wall of first ring portion and the inner wall of second ring portion.

At present, a guide assembly is arranged in a shell, and the shell is connected in series on a pipeline. The pipeline is rectified, the flow guiding assembly separates air flow through the blade structure, the air flow is stabilized through the plurality of straight line flow guiding holes, and when the assembly is carried out, the assembly between the shell and the flow guiding assembly is inconvenient.

Disclosure of utility model

The utility model aims to provide a rectifying device of an ultrasonic flowmeter, which aims to solve the defects in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an ultrasonic flowmeter fairing, includes the casing, still includes:

The rectifying component comprises a flow guide column and a flow dividing piece, wherein the flow guide column and the flow dividing piece are arranged in the shell, paddles are arranged in the flow dividing piece, and a linear flow guide hole is formed in the flow guide column;

The self-locking structure comprises a locking piece, wherein a mounting groove is formed in the side wall of the shell, the locking piece is mounted in the mounting groove, and one end of the locking piece extends to the outside of the shell.

Preferably, the end of the shell is provided with an external thread, and one end of the locking member is arranged on the opening path of the external thread.

Preferably, a limit ring is arranged at the bottom of the shell, and one end of the flow guide column is abutted against the limit ring.

Preferably, the end part of the flow guiding column is provided with a sinking cavity, and one end of the linear flow guiding hole is arranged to the sinking cavity.

Preferably, the locking piece comprises a locking section, an arc section and a mounting section, wherein the locking section is connected with the mounting section through the arc section, and the mounting section is fixed in the mounting groove.

Preferably, the locking section, the circular arc section and the mounting section are arranged as an integrally formed structure.

Compared with the prior art, the utility model has the beneficial effects that: the rectifying device of the ultrasonic flowmeter comprises: when the casing is connected to the pipeline, press the retaining member, under the pressure effect, the retaining member inclines, and its tip can extend to the inner chamber department of casing, and the tip restriction fairing of retaining member carries out the position like this, makes fairing can fix in the casing, and fairing's installation effectiveness improves.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all of the features of the technology disclosed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a post-frying structure according to an embodiment of the present utility model;

Fig. 4 is a schematic structural view of a locking member according to an embodiment of the present utility model.

In the figure: 10. a housing; 101. an external thread; 11. a limit ring; 12. a flow guiding column; 121. a sinking cavity; 122. a straight-line deflector hole; 13. a shunt; 14. a paddle; 15. a pressure pad; 16. a mounting groove; 17. a locking member; 18. a locking section; 19. a circular arc section; 20. and (5) a mounting section.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used in this disclosure should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the terms "comprising" or "includes" and the like in this disclosure is intended to cover an element or article listed after that term and equivalents thereof without precluding other elements or articles. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Referring to fig. 1-4, the present utility model provides a technical solution: an ultrasonic flowmeter fairing comprising a housing 10, further comprising:

The rectifying component comprises a flow guide column 12 and a flow dividing piece 13, wherein the flow guide column 12 and the flow dividing piece 13 are both arranged in the shell 10, a blade 14 is arranged in the flow dividing piece 13, and a linear flow guide hole 122 is formed in the flow guide column 12; the shell 10 is connected to the pipeline, and the medium can firstly flow into the flow dividing piece 13, the medium is divided by the blades 14 in the flow dividing piece 13, and the medium flows into each linear guide hole 122 respectively;

The self-locking structure comprises a locking piece 17, wherein a mounting groove 16 is formed in the side wall of the shell 10, the locking piece 17 is mounted in the mounting groove 16, and one end of the locking piece 17 extends to the outside of the shell 10. When casing 10 and pipeline are connected, in casing 10 screw in pipeline, press retaining member 17 for retaining member 17 inclines, and when retaining member 17 inclines, its tip can be moved towards the central point of casing 10, and like this, retaining member 17 moves to on the moving path of rectifier module, carries out spacingly through retaining member 17, and along with casing 10 screw up the back, the pipeline can block off the one end of mounting groove 16 completely for retaining member 17 is fixed, and rectifier module's installation effectiveness improves.

The end of the housing 10 is provided with an external thread 101, and one end of the locking member 17 is disposed on the opening path of the external thread 101. By the provision of the external thread 101, a match can be made with the pipe to ensure that the housing 10 and the pipe can be connected together.

The bottom of the shell 10 is provided with a limit ring 11, and one end of the guide post 12 is abutted against the limit ring 11. The limit ring 11 abuts against the bottom of the guide post 12, so that the guide post 12 is ensured to be fixed in the shell 10.

The end of the guide post 12 is provided with a sinking cavity 121, and one end of the linear guide hole 122 is arranged to the sinking cavity 121. The sinking chamber 121 ensures that the medium passing through the flow divider 13 can enter the sinking chamber 121 uniformly and from the sinking chamber 121 into the linear flow guide hole 122.

The locking piece 17 comprises a locking section 18, an arc section 19 and a mounting section 20, wherein the locking section 18 and the mounting section 20 are connected through the arc section 19, and the mounting section 20 is fixed in the mounting groove 16. The locking section 18, the circular arc section 19 and the mounting section 20 are provided as an integrally formed structure. The installation section 20 passes through bolt fixed mounting in the mounting groove 16, and the setting of circular arc section 19 can make to buckle between locking section 18 and the installation section 20, when receiving outside extrusion like this, can take place to fold between locking section 18 and the installation section 20 for the one end of locking section 18 extends to in the casing 10, be provided with pressure pad 15 in the casing 10, pressure pad 15 sets up between shunt 13 and locking section 18, can realize the fixed of rectifying assembly through extrusion locking section 18 like this.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. An ultrasonic flowmeter fairing comprising a housing (10), characterized in that it further comprises:

the rectifying assembly comprises a flow guide column (12) and a flow dividing piece (13), wherein the flow guide column (12) and the flow dividing piece (13) are arranged in the shell (10), a blade (14) is arranged in the flow dividing piece (13), and a linear flow guide hole (122) is formed in the flow guide column (12);

the self-locking structure comprises a locking piece (17), wherein a mounting groove (16) is formed in the side wall of the shell (10), the locking piece (17) is mounted in the mounting groove (16), and one end of the locking piece (17) extends to the outside of the shell (10).

2. An ultrasonic flow meter fairing as defined in claim 1, wherein: an external thread (101) is arranged at the end part of the shell (10), and one end of the locking piece (17) is arranged on the opening path of the external thread (101).

3. An ultrasonic flow meter fairing as defined in claim 1, wherein: the bottom of casing (10) is provided with spacing collar (11), the one end of water conservancy diversion post (12) is contradicted on spacing collar (11).

4. An ultrasonic flow meter fairing as defined in claim 1, wherein: the end part of the flow guiding column (12) is provided with a sinking cavity (121), and one end of the linear flow guiding hole (122) is arranged to the sinking cavity (121).

5. An ultrasonic flow meter fairing as defined in claim 1, wherein: the locking piece (17) comprises a locking section (18), an arc section (19) and a mounting section (20), wherein the locking section (18) and the mounting section (20) are connected through the arc section (19), and the mounting section (20) is fixed in the mounting groove (16).

6. The ultrasonic flow meter fairing of claim 5, wherein: the locking section (18), the arc section (19) and the mounting section (20) are arranged into an integrally formed structure.