CN218511814U

CN218511814U - Plug-in type gas ultrasonic flowmeter

Info

Publication number: CN218511814U
Application number: CN202222465415.9U
Authority: CN
Inventors: 徐荣华; 任海军; 李诗华; 陈红军; 王文军
Original assignee: ZENNER METERING TECHNOLOGY (SHANGHAI) Ltd
Current assignee: ZENNER METERING TECHNOLOGY (SHANGHAI) Ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-21
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to an ultrasonic flowmeter technical field, concretely relates to bayonet gaseous ultrasonic flowmeter, its technical scheme is: including wall-hanging host computer and the two sets of bayonet sensors of being connected with the wall-hanging host computer, still include the sucking disc subassembly of fixed mounting on the wall-hanging host computer back and with the air inlet and exhaust mechanism of the fixed intercommunication in sucking disc subassembly top, air inlet and exhaust mechanism includes the screwed pipe subassembly with the fixed intercommunication in sucking disc subassembly top and is used for making the unable inside one-way ventilative subassembly of sucking disc subassembly of getting into of outside gas with screwed pipe subassembly threaded connection, the beneficial effects of the utility model are that: the wall-mounted host computer can be installed on the wall through the mode that the sucking disc adsorbs at the wall for the dismouting of wall-mounted host computer is consuming time few, makes the dismouting of wall-mounted host computer very simple, and the very big staff that has made things convenient for carries out the dismouting maintenance to wall-mounted host computer.

Description

Plug-in type gas ultrasonic flowmeter

Technical Field

The utility model relates to an ultrasonic flowmeter technical field, concretely relates to bayonet gaseous ultrasonic flowmeter.

Background

The ultrasonic flowmeter is an instrument for measuring the liquid flow in a circular tube by using a speed difference method as a principle, and adopts an advanced multi-pulse technology, a signal digital processing technology and an error correction technology, so that the flow instrument can be more suitable for the environment of an industrial field, the measurement is more convenient, economic and accurate, the product reaches the advanced level at home and abroad, and the ultrasonic flowmeter can be widely applied to the fields of petroleum, chemical industry, metallurgy, electric power, water supply and drainage and the like.

The existing plug-in type gas ultrasonic flowmeter consists of a wall-mounted host and plug-in type sensors, the plug-in type sensors can be installed only by opening two mounting holes on the surface of a pipeline, the flow of the gas can be detected directly by contacting with the gas through the sensors, but four groups of mounting plates can be generally installed on the existing wall-mounted host, through punching on the wall surface, the four groups of mounting plates are installed on the wall surface through bolts so as to realize the installation of the wall-mounted host on the wall, the installation mode is troublesome, and when the wall-mounted host is maintained, a worker needs to spend more time when the wall-mounted host is disassembled and assembled, and the worker is inconvenient to maintain the wall-mounted host.

Therefore, there is a need for an insertion type gas ultrasonic flowmeter.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a bayonet gaseous ultrasonic flowmeter, through set up the sucking disc subassembly on the wall-hanging host computer, screwed pipe subassembly and one-way ventilative subassembly can realize adsorbing the mode at the wall through the sucking disc and install the wall-hanging host computer on the wall, make the dismouting of wall-hanging host computer consuming time fewest, make the dismouting of wall-hanging host computer very simple, the very big staff that has made things convenient for carries out the dismouting maintenance to the wall-hanging host computer, generally all can install four group's mounting panels on solving current wall-hanging host computer, through punching on the wall, will install four group's mounting panels on the wall in order to realize installing the wall-hanging host computer on the wall through the bolt, this kind of mounting means is comparatively troublesome, and when maintaining the wall-hanging host computer, the staff need spend more time when carrying out the dismouting to the wall-hanging host computer, the staff is not convenient for carries out the problem of maintaining to the wall-hanging host computer.

In order to achieve the above object, the present invention provides the following technical solutions: an insertion type gas ultrasonic flowmeter comprises a wall-mounted host machine, two groups of insertion type sensors connected with the wall-mounted host machine, a sucker assembly fixedly installed on the back of the wall-mounted host machine, and an air inlet and exhaust mechanism fixedly communicated with the top of the sucker assembly;

the air inlet and exhaust mechanism comprises a threaded pipe assembly fixedly communicated with the top of the sucker assembly and a one-way ventilation assembly which is in threaded connection with the threaded pipe assembly and used for enabling external air to not enter the sucker assembly.

Preferably, the sucking disc subassembly includes square frame, square frame fixed mounting is on the back of wall-hanging host computer, be provided with square air guide chamber in the square frame, the equal fixed mounting in one side four corners that wall-hanging host computer was kept away from to square frame has rubber suction cups, and four group's rubber suction cups all communicate with square air guide chamber, the top center fixed mounting of square frame has the right angle steel pipe, and right angle steel pipe and square air guide chamber intercommunication.

Preferably, first dustproof ventilation valves are fixedly installed in the four groups of rubber suction cups at the ends close to the square air guide cavities, and the ends, close to the wall-mounted host, of the tops of the right-angle steel pipes are fixedly communicated with the threaded pipe assembly.

Preferably, the screwed pipe subassembly includes threaded connection pipe, threaded connection pipe is close to the fixed intercommunication of one end that the one end of right angle steel pipe and right angle steel pipe top are close to wall-hanging host computer, threaded connection pipe keeps away from the one end internal fixation of right angle steel pipe and installs the dustproof ventilative valve of second, the fixed cover in the middle part outside of threaded connection pipe is equipped with the crown plate, the one side that the right angle steel pipe was kept away from to the crown plate is provided with the sealing washer.

Preferably, one side of the ring plate, which is far away from the right-angle steel pipe, is provided with an annular sealing groove, and a sealing ring is arranged in the annular sealing groove in a sliding manner.

Preferably, the threaded connection pipe is kept away from the screw thread and the one-way ventilative subassembly threaded connection that set up of the one end surface of right angle steel pipe, the side of sealing washer is laminated with the inner wall of annular seal groove.

Preferably, the one-way ventilation assembly comprises a threaded cover, threads arranged on the inner wall of one end, close to the threaded connecting pipe, of the threaded cover are connected with threads arranged on the surface of the second dustproof ventilation valve, and the one end, far away from the threaded connecting pipe, of the threaded cover is internally and fixedly provided with the one-way ventilation valve.

Preferably, the outside of screw cap is the annular and evenly is provided with the recess, one side that one side and the ring plate that the screw cap is close to the ring plate are all laminated with one side that the annular seal groove is close to the screw cap on one side of screw cap.

The utility model has the advantages that: through set up sucking disc subassembly, screwed pipe subassembly and one-way ventilative subassembly on wall-hanging host computer and can realize adsorbing the mode at the wall through the sucking disc and install wall-hanging host computer on the wall for the dismouting of wall-hanging host computer is consuming time very few, makes the dismouting of wall-hanging host computer very simple, and the very big staff that has made things convenient for carries out the dismouting maintenance to wall-hanging host computer, and the practicality is strong.

Drawings

Fig. 1 is a front view of an insertion type gas ultrasonic flow meter provided by the present invention;

fig. 2 is a rear view of the plug-in type gas ultrasonic flow meter provided by the present invention;

FIG. 3 is a structural diagram of the suction cup assembly, the threaded tube assembly and the one-way ventilation assembly provided by the present invention;

fig. 4 is an enlarged view of the area a in fig. 3 provided by the present invention.

In the figure: the device comprises a wall-mounted host, a 2-plug-in sensor, a 3-square frame, a 4-rubber sucker, a 5-first dustproof ventilation valve, a 6-square air guide cavity, a 7-right-angle steel pipe, an 8-threaded connecting pipe, a 9-second dustproof ventilation valve, a 10-one-way ventilation valve, an 11-annular plate, a 12-sealing ring, a 13-annular sealing groove, a 14-groove and a 15-threaded cover.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the attached drawings 1-4, the utility model provides a pair of bayonet gaseous ultrasonic flowmeter, including wall-hanging host computer 1 and two sets of bayonet sensor 2 of being connected with wall-hanging host computer 1, still include the sucking disc subassembly of fixed mounting on the wall-hanging host computer 1 back and with the air inlet and exhaust mechanism of the fixed intercommunication in sucking disc subassembly top, air inlet and exhaust mechanism include with the fixed threaded tube subassembly that communicates in sucking disc subassembly top and be used for making outside gaseous unable inside one-way ventilative subassembly that gets into the sucking disc subassembly with threaded tube subassembly threaded connection.

The sucking disc subassembly includes

square frame

3, 3 fixed mounting of square frame are on wall-hanging host computer 1's the back, be provided with square air guide cavity 6 in the square frame 3, the equal fixed mounting in one side four corners that wall-hanging host computer 1 was kept away from to square frame 3 has rubber suction cup 4, and four groups of rubber suction cups 4 all communicate with square air guide cavity 6, it fixes wall-hanging host computer 1 on the wall in order to realize through the rubber suction cup is adsorbable at the wall, the top center fixed mounting of square frame 3 has right angle steel pipe 7, and right angle steel pipe 7 and square air guide cavity 6 intercommunication, the right angle steel pipe 7 of setting is used for the air guide, equal fixed mounting has first dustproof breather valve 5 in the one end that four groups of rubber suction cups 4 are close to square air guide cavity 6, first dustproof breather valve 5 of setting is used for avoiding outside dust to pass through rubber suction cup 4 and enters into square air guide cavity 6, the one end and the fixed intercommunication of screwed pipe subassembly that right angle steel pipe 7 tops are close to wall-hanging host computer 1.

Threaded pipe subassembly includes threaded connection pipe 8, threaded connection pipe 8 is close to the one end of right angle steel pipe 7 and the fixed intercommunication of one end that wall-hanging host computer 1 is close to at right angle steel pipe 7 top, threaded connection pipe 8 keeps away from the one end of right angle steel pipe 7 in fixed mounting have the dustproof breather valve 9 of second, the dustproof breather valve 9 of second of setting is when avoiding external gas to get into square air guide cavity 6 in, the phenomenon in external dust passes through threaded connection pipe 8 and gets into square air guide cavity 6, the fixed cover in middle part outside of threaded connection pipe 8 is equipped with crown plate 11, one side that right angle steel pipe 7 was kept away from to crown plate 11 is provided with sealing washer 12, the ring seal 12 that sets up is used for sealing crown plate 11 and one-way breather valve subassembly laminating department, thereby avoid external gas to get into the phenomenon that leads to the unable absorption on the wall of rubber suction cup to take place in the threaded connection of the gap department entering threaded connection of one-way breather valve subassembly support with one-way, one side that right angle steel pipe 7 was kept away from to crown plate 11 is provided with annular seal groove 13, annular seal 12 slides in annular seal groove 13 and sets up sealing washer 12's the laminating, the interior wall.

One-way ventilative subassembly includes screw cap 15, screw cap 15 is close to the threaded connection that sets up on the screw thread that sets up on the 8 one end inner walls of threaded connection pipe and the dustproof ventilative valve 9 of second set up on the surface, make screw cap 15 very simple with the dismantlement of threaded connection pipe 8, the staff of being convenient for takes off screw cap 15 from threaded connection pipe 8, thereby realize dismantling wall-hanging host computer 1, fixed mounting has one-way ventilative valve 10 in the one end that threaded connection pipe 8 was kept away from to screw cap 15, the outside of screw cap 15 is the annular and evenly is provided with recess 14, the recess 14 that sets up can increase the frictional force between staff and the screw cap 15, thereby make the difficult phenomenon that skids of appearing when rotating screw cap 15, one side that screw cap 15 is close to ring plate 11 and one side that ring plate 11 is close to screw cap 15 and one side that ring seal groove 13 is close to screw cap 15 all laminate.

The utility model discloses a use as follows: when the wall-mounted host 1 is installed, the four groups of rubber suction cups 4 are aligned to an installation wall surface, then the wall-mounted host 1 is installed on the wall surface by force, namely, the four groups of rubber suction cups 4 and air in the wall surface enter the square air guide cavity 6, redundant air in the square air guide cavity 6 is discharged to the outside through the right-angle steel pipe 7, the threaded connecting pipe 8, the second dustproof ventilation valve 9, the threaded cover 15 and the one-way ventilation valve 10, after the wall-mounted host 1 is loosened, because the air pressure between the four groups of rubber suction cups 4 and the wall surface is smaller than the air pressure of the outside, namely, the four groups of rubber suction cups 4 are adsorbed on the wall surface, the installation of the wall-mounted host 1 can be completed, when the wall-mounted host 1 needs to be disassembled, because the outside air cannot enter the threaded cover 15 through the one-way ventilation valve 10, even make the staff need rotate the screw cap 15, thereby realize dismantling screw cap 15 from the dustproof breather valve 9 of second, screw cap 15 dismantles the back from the dustproof breather valve 9 of second, the dustproof breather valve 9 of outside gaseous accessible second, threaded connection pipe 8 and right angle steel pipe 7 get into in the square air guide cavity 6, thereby make the atmospheric pressure in the square air guide cavity 6 and outside atmospheric pressure keep balance, thereby realize that four groups of rubber suction cups 4 drop from the wall, can accomplish the dismantlement to wall-hanging host computer 1, even make the dismouting of wall-hanging host computer 1 very simple, need not to drill on the wall, install wall-hanging host computer 1 on the wall through the bolt, the very big staff that has made things convenient for carries out the dismouting maintenance to wall-hanging host computer 1.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a gaseous ultrasonic flowmeter, includes wall-hanging host computer (1) and two sets of bayonet sensors (2) of being connected with wall-hanging host computer (1), its characterized in that: the wall-mounted type air conditioner also comprises a sucker assembly fixedly arranged on the back surface of the wall-mounted type host machine (1) and an air inlet and exhaust mechanism fixedly communicated with the top of the sucker assembly;

2. An insertion-type ultrasonic gas flowmeter according to claim 1, wherein: the sucking disc subassembly includes square frame (3), square frame (3) fixed mounting is on the back of wall-hanging host computer (1), be provided with square air guide chamber (6) in square frame (3), the equal fixed mounting in one side four corners that wall-hanging host computer (1) was kept away from in square frame (3) has rubber suction cup (4), and four groups of rubber suction cups (4) all communicate with square air guide chamber (6), the top center fixed mounting of square frame (3) has right angle steel pipe (7), and right angle steel pipe (7) and square air guide chamber (6) intercommunication.

3. An insertion-type ultrasonic gas flowmeter as set forth in claim 2 wherein: four groups of rubber suction cups (4) are all fixedly installed with a first dustproof ventilation valve (5) in the end close to the square air guide cavity (6), and the end close to the wall-mounted host (1) at the top of the right-angle steel pipe (7) is fixedly communicated with the threaded pipe assembly.

4. An insertion-type ultrasonic gas flowmeter according to claim 3, wherein: the screwed pipe subassembly includes threaded connection pipe (8), the one end that threaded connection pipe (8) are close to right angle steel pipe (7) is close to the fixed intercommunication of one end of wall-hanging host computer (1) with right angle steel pipe (7) top, the one end internal fixation who keeps away from right angle steel pipe (7) of threaded connection pipe (8) is installed and is had dustproof ventilative valve (9) of second, the fixed cover in the middle part outside of threaded connection pipe (8) is equipped with crown plate (11), one side that right angle steel pipe (7) were kept away from in crown plate (11) is provided with sealing washer (12).

5. An insertion-type ultrasonic gas flowmeter as set forth in claim 4 wherein: one side of the ring plate (11) far away from the right-angle steel pipe (7) is provided with an annular sealing groove (13), and a sealing ring (12) is arranged in the annular sealing groove (13) in a sliding mode.

6. An insertion-type ultrasonic gas flowmeter according to claim 5, wherein: the threaded connection pipe (8) is far away from threads arranged on the surface of one end of the right-angle steel pipe (7) and is in threaded connection with the one-way ventilating assembly, and the side edge of the sealing ring (12) is attached to the inner wall of the annular sealing groove (13).

7. An insertion-type ultrasonic gas flowmeter as set forth in claim 6 wherein: the one-way ventilation assembly comprises a threaded cover (15), threads arranged on the inner wall of one end, close to the threaded connecting pipe (8), of the threaded cover (15) are connected with threads arranged on the surface of the second dustproof ventilation valve (9), and one-way ventilation valves (10) are fixedly arranged in one ends, far away from the threaded connecting pipe (8), of the threaded cover (15).

8. An insertion-type ultrasonic gas flowmeter as set forth in claim 7 wherein: the outside of screw cap (15) is the annular and evenly is provided with recess (14), one side that screw cap (15) is close to crown plate (11) all laminates with one side that crown plate (11) are close to screw cap (15) and one side that annular seal groove (13) are close to screw cap (15).