CN211783657U

CN211783657U - Gas ultrasonic flowmeter

Info

Publication number: CN211783657U
Application number: CN202020338911.6U
Authority: CN
Inventors: 王三刚
Original assignee: Tianjin Jiahai Instrument Complete Equipment Co ltd
Current assignee: Tianjin Jiahai Instrument Complete Equipment Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-27
Anticipated expiration: 2030-03-18

Abstract

The utility model belongs to the technical field of flowmeters, in particular to a gas ultrasonic flowmeter, which comprises a connecting pipeline and an instrument, wherein the top of the connecting pipeline is fixedly connected with a fixed pipe, the top of the fixed pipe is fixedly connected with a first flange plate, the bottom of the instrument is fixedly connected with a second flange plate, two rectangular rods are fixedly connected with two sides of the second flange plate, and the two rectangular rods are inserted in the first flange plate; the utility model discloses well instrument passes through the second ring flange and connects, is equipped with the rectangle pole on the second ring flange, and the rectangle pole distributes in the both sides of second ring flange, when the installation, only needs to pass rectangle pole and fixed pipe with the optical axis to use the goat's horn nut to lock can, when dismantling, can directly twist and move the goat's horn nut, extract the optical axis, can separate the instrument from the connecting tube, be convenient for install and dismantle the instrument, avoided operating a plurality of bolts, improved the efficiency of work.

Description

Gas ultrasonic flowmeter

Technical Field

The utility model belongs to the technical field of the flowmeter, concretely relates to gaseous ultrasonic flowmeter.

Background

The gas ultrasonic flowmeter is a process control instrument for detecting and metering gas flow by utilizing the principle of an ultrasonic velocity difference method, and the application of the gas ultrasonic flowmeter in the natural gas industry is improved in a breakthrough manner along with the rapid development of computer application technology.

The connecting pipe of present gaseous ultrasonic flowmeter passes through flange joint with the instrument ware, can be stable use, but when installing and dismantling through the flange, need install and dismantle a plurality of bolts, makes when installing the instrument ware and overhauing the instrument ware, has reduced work efficiency.

Accordingly, one skilled in the art provides an ultrasonic gas meter that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a gaseous ultrasonic flowmeter has the characteristics that can install fast and dismantle the instrument.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gaseous ultrasonic flowmeter, includes connecting tube and instrument ware, the fixed pipe of connecting tube top fixedly connected with, the first ring flange of fixed pipe top fixedly connected with, instrument ware bottom fixedly connected with second ring flange, the equal fixedly connected with rectangular pole in second ring flange both sides, two the rectangular pole is pegged graft in the first ring flange, rectangular pole one end extends to first ring flange below, two be equipped with the retaining member on the rectangular pole, the retaining member includes optical axis, limiting plate and double-screw bolt, the optical axis is pegged graft the rectangular pole with in the fixed tube, the limiting plate is fixed optical axis one end is served, just the double-screw bolt is fixed on the optical axis other end, just double-screw bolt outer wall threaded connection has the goat's horn nut.

Preferably, the second flange plate is provided with two mounting grooves, and the two rectangular rods are respectively fixed in the two mounting grooves.

Preferably, the first flange plate is provided with a limiting groove, and the rectangular rod is inserted in the limiting groove.

Preferably, the end face of the inner side of the limiting plate is attached to the end face of the outer side of one of the rectangular rods.

Preferably, two the rectangular rod has all run through and has seted up the round hole, the optical axis is located in the round hole.

Preferably, a through hole is formed in the fixing tube in a penetrating mode, and the optical axis is located in the through hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses well instrument passes through the second ring flange and connects, be equipped with the rectangle pole on the second ring flange, the rectangle pole distributes in the both sides of second ring flange, when the installation, only need pass rectangle pole and fixed pipe with the optical axis, and use the goat's horn nut to lock can, when dismantling, can directly twist and move the goat's horn nut, extract the optical axis, can separate the instrument from the connecting tube, be convenient for install and dismantle the instrument, a plurality of bolts of operation have been avoided, the efficiency of work has been improved, and the rectangle pole can insert the spacing inslot on the first ring flange, can inject the position of instrument installation, make the instrument can be stably connected with the connecting tube, the stability of use is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic structural view of the middle optical axis of the present invention;

FIG. 4 is a schematic view of a lock of the present invention;

fig. 5 is a schematic structural view of the rectangular rod of the present invention.

In the figure: 2. connecting a pipeline; 21. a fixed tube; 211. a through hole; 22. a first flange plate; 221. a limiting groove; 3. an instrumentation device; 31. a second flange plate; 311. mounting grooves; 32. a rectangular bar; 321. a circular hole; 4. a locking member; 41. an optical axis; 42. a limiting plate; 43. a stud; 44. a claw nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a gaseous ultrasonic flowmeter, including connecting tube 2 and

instrument ware

3, 2 top fixedly connected with fixed pipe 21 of connecting tube, the first ring flange 22 of fixed pipe 21 top fixedly connected with, 3 bottom fixedly connected with second ring flange 31 of instrument ware, the equal fixedly connected with rectangular pole 32 in second ring flange 31 both sides, peg graft in first ring flange 22 for two rectangular poles 32, rectangular pole 32 one end extends to first ring flange 22 below, be equipped with retaining member 4 on two rectangular poles 32, retaining member 4 includes optical axis 41, limiting plate 42 and double-screw bolt 43, optical axis 41 is pegged graft in rectangular pole 32 and fixed pipe 21, limiting plate 42 is fixed and is served at optical axis 41, and double-screw bolt 43 outer wall threaded connection has goat's horn nut 44.

In this embodiment: the instrument 3 is connected with the second flange 31 through the connecting pipeline 2, the fixed pipe 21 and the first flange 22, when in installation, only the rectangular rod 32 on the second flange 31 needs to be inserted into the limiting groove 221, the rectangular rod 32 is distributed on two sides of the second flange 31, the installation position of the instrument 3 can be limited, the instrument 3 can be stably connected with the connecting pipeline 2, the use stability is improved, the optical axis 41 is inserted into the round hole 321 on the rectangular rod 32 and penetrates through the through hole 211 on the fixed pipe 21, the stud 43 is exposed out of the rectangular rod 32, the limiting plate 42 is attached to the outer end face of the other rectangular rod 32, then the claw nut 44 is screwed on the stud 43, the inner side face of the claw nut 44 is tightly attached to the outer side face of the rectangular rod 32, the claw nut 44 is a standard component, the appearance is similar to a claw, and the operation can be directly performed by people conveniently, accomplish the installation of instrument 3 and connecting tube 2 promptly, make instrument 3 install fast, optical axis 41 surface is smooth, can with fixed pipe 21 sealing connection, when dismantling, only need twist claw nut 44, then can be used in limiting plate 42, take optical axis 41 out in through hole 211 and the round hole 321, then upwards pull out instrument 3, make rectangular rod 32 break away from the spacing groove 221, accomplish the dismantlement of instrument 3 promptly, this kind sets up simple structure, the operation of being convenient for, be convenient for install and dismantle instrument 3, a plurality of bolts of operation have been avoided, the efficiency of work has been improved.

In fig. 1-4: the limiting plate 42 is attached to the end face of the outer side of one of the rectangular rods 32, the limiting plate 42 can limit the position of the optical axis 41, the optical axis 41 can be connected with the rectangular rod 32 and the fixing tube 21, the instrument 3 can be conveniently fixed, the two rectangular rods 32 are both penetrated through to form the round hole 321, the optical axis 41 is located in the round hole 321, the fixing tube 21 is penetrated through to form the through hole 211, the optical axis 41 is located in the through hole 211, during installation and disassembly, the optical axis 41 only needs to be inserted into the round hole 321 and the through hole 211, or the optical axis 41 is pulled out from the round hole 321 and the through hole 211, the instrument 3 is convenient to install and disassemble, and the working efficiency.

In fig. 5: two mounting grooves 311 have been seted up to second ring flange 31, two rectangular pole 32 are fixed respectively in two mounting grooves 311, rectangular pole 32 can be fixed in mounting groove 311 through bolt or welded method, make rectangular pole 32 can be stably connected with second ring flange 31, improve the stability that rectangular pole 32 used, spacing groove 221 has been seted up to first ring flange 22, rectangular pole 32 pegs graft in spacing groove 221, can inject the position of instrument 3 installation, make instrument 3 can with connecting tube 2 stable connection, improve the stability that gaseous ultrasonic flowmeter used.

The utility model discloses a theory of operation and use flow: when the instrument 3 and the connecting pipeline 2 are assembled, the rectangular rod 32 on the second flange 31 is only required to be inserted into the limiting groove 221, the rectangular rods 32 are distributed at two sides of the second flange 31, the position for assembling the instrument 3 can be limited, the instrument 3 can be stably connected with the connecting pipeline 2, the use stability is improved, the optical axis 41 is inserted into the round hole 321 on the rectangular rod 32 and passes through the through hole 211 on the fixing pipe 21, the stud 43 is exposed out of the rectangular rod 32, the limiting plate 42 is attached to the outer side end face of the other rectangular rod 32, then the claw nut 44 is screwed on the stud 43, the inner side face of the claw nut 44 is tightly attached to the outer side face of the rectangular rod 32, the instrument 3 and the connecting pipeline 2 are assembled, the surface of the optical axis 41 is smooth and can be hermetically connected with the fixing pipe 21, when the instrument is disassembled, only the claw nut 44 needs to be screwed and then can act on the limiting plate 42, the optical axis 41 is extracted from the, then upwards pull out instrument 3, make rectangular rod 32 break away from spacing groove 221, accomplish instrument 3's dismantlement promptly, this kind sets up simple structure, the operation of being convenient for, is convenient for install and dismantle instrument 3, has avoided operating a plurality of bolts, has improved the efficiency of work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gaseous ultrasonic flowmeter, includes connecting tube (2) and instrument ware (3), connecting tube (2) top fixedly connected with solid fixed tube (21), the first ring flange of solid fixed tube (21) top fixedly connected with (22), instrument ware (3) bottom fixedly connected with second ring flange (31), its characterized in that: the equal fixedly connected with rectangle pole (32) in second ring flange (31) both sides, two rectangle pole (32) are pegged graft in first ring flange (22), rectangle pole (32) one end extends to first ring flange (22) below, two be equipped with retaining member (4) on rectangle pole (32), retaining member (4) are including optical axis (41), limiting plate (42) and double-screw bolt (43), optical axis (41) are pegged graft rectangle pole (32) with in fixed pipe (21), limiting plate (42) are fixed optical axis (41) are served, just double-screw bolt (43) are fixed on optical axis (41) the other end, just double-screw bolt (43) outer wall threaded connection has goat's horn nut (44).

2. An ultrasonic gas meter as claimed in claim 1, wherein: two mounting grooves (311) are formed in the second flange plate (31), and the two rectangular rods (32) are respectively fixed in the two mounting grooves (311).

3. An ultrasonic gas meter as claimed in claim 1, wherein: the first flange plate (22) is provided with a limiting groove (221), and the rectangular rod (32) is inserted into the limiting groove (221).

4. An ultrasonic gas meter as claimed in claim 1, wherein: the end face of the inner side of the limiting plate (42) is attached to the end face of the outer side of one of the rectangular rods (32).

5. An ultrasonic gas meter as claimed in claim 1, wherein: two round hole (321) have all been seted up in rectangle pole (32) run through, optical axis (41) are located round hole (321).

6. An ultrasonic gas meter as claimed in claim 1, wherein: the fixing tube (21) penetrates through a through hole (211), and the optical axis (41) is located in the through hole (211).