CN219798505U

CN219798505U - Flowmeter calibrating device

Info

Publication number: CN219798505U
Application number: CN202321174729.1U
Authority: CN
Inventors: 翟国兴
Original assignee: Xi'an Beegas Electronic Technology Co ltd
Current assignee: Xi'an Beegas Electronic Technology Co ltd
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-10-03
Anticipated expiration: 2033-05-16

Abstract

The utility model discloses a flowmeter calibrating device, wherein the sealing mechanism comprises a sleeve, an elastic air bag and a pressing block, the inner wall of one end of the flow tube connected with a flowmeter is fixedly connected with the sleeve, a mounting groove is arranged between the opening of the sleeve, which is close to the flow tube, and the flow tube, the elastic air bag and the pressing block for extruding the elastic air bag are sleeved in the mounting groove, and the pressing block is connected with the flow tube through an elastic piece. The beneficial effects are that: through the sealing mechanism who sets up, can make briquetting extrusion elasticity gasbag through extrusion briquetting when flow tube and the flowmeter contact that waits to detect to the deformation laminating flowmeter's of passing through elasticity gasbag output and input, make sealed effect better, and the mode of elasticity laminating can make calibrating installation and the different flowmeter of interface shape all can perfect seal, increase calibrating installation's application range.

Description

Flowmeter calibrating device

Technical Field

The utility model relates to the technical field of calibrating devices, in particular to a flowmeter calibrating device.

Background

The flow meter indicates the measured flow rate and/or the total amount of fluid in a selected time interval. In short, a meter for measuring the flow of fluid in a pipe or open channel. With the development of industry, the accuracy and range of flow measurement are increasingly required, and various types of flow meters are sequentially developed to adapt to various purposes, so that the flow meter is widely applied to industries such as petroleum and natural gas, petrochemical industry, water treatment, food and beverage, pharmacy, energy, metallurgy, pulp and paper, building materials and the like.

The accuracy of the flowmeter is very important when measuring the fluid flow in a pipeline or an open channel, so that the flowmeter needs to be verified before the flowmeter is put into use, and in the verification process, the flowmeter needs to be installed in a temporary pipeline to detect flow data in the pipeline for verification, so that in the installation process, the sealing between the input end and the output end of the flowmeter is very important, and the accuracy of the flowmeter can be directly influenced by the sealing quality.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The present utility model is directed to a flowmeter calibrating device, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a flowmeter calibrating device, the upper end fixedly connected with plummer of base, the both sides of plummer all be provided with the support column and with base fixed connection, two the support column is close to the equal fixedly connected with flow tube of one side of plummer is connected with the flowmeter, the flow tube is used for all being provided with sealing mechanism with the one end that flowmeter access end is connected.

Further, sealing mechanism includes sleeve pipe, elasticity gasbag and briquetting, the one end inner wall fixedly connected with sleeve pipe that flow buret and flowmeter are connected, the sleeve pipe is close to the opening part of flow buret with be provided with the mounting groove between the flow buret, the mounting groove endotheca is equipped with elasticity gasbag and is used for extrudeing elasticity gasbag's briquetting, the briquetting with connect through the elastic component between the flow buret.

Further, a gap is reserved between the pressing block and the mounting groove to form an extrusion cavity, a bulge is arranged on the outer wall of one end of the elastic air bag, which is close to the support column, to form an extrusion part, and the extrusion part is sleeved in the extrusion cavity.

Further, an elastic part is arranged at one end of the elastic air bag, which is far away from the extrusion part, and a fold is processed at one side of the elastic part.

Further, the elastic piece comprises a chute and a spring, the chute is formed in the inner wall of one end, connected with the flowmeter, of the flow tube, a boss is arranged at one end, close to the flowmeter, of the pressing block to form a limiting table, and the limiting table is slidably sleeved in the chute and fixedly connected with the spring between the chute and the chute.

Compared with the prior art, the utility model has the following beneficial effects:

through the sealing mechanism who sets up, can make briquetting extrusion elasticity gasbag through extrusion briquetting when flow tube and the flowmeter contact that waits to detect to the deformation laminating flowmeter's of passing through elasticity gasbag output and input, make sealed effect better, and the mode of elasticity laminating can make calibrating installation and the different flowmeter of interface shape all can perfect seal, increase calibrating installation's application range.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a flow meter verification device according to an embodiment of the utility model;

fig. 2 is a schematic structural view of a sealing mechanism in a flowmeter calibration device according to an embodiment of the present utility model.

Reference numerals:

1. a base; 2. a carrying platform; 3. a support column; 4. a flow tube; 5. a sealing mechanism; 6. a sleeve; 7. an elastic air bag; 8. briquetting; 9. a mounting groove; 10. an elastic member; 11. an extrusion chamber; 12. an extrusion part; 13. an elastic part; 14. a chute; 15. a spring; 16. and a limiting table.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and detailed description:

embodiment one:

referring to fig. 1-2, the upper end of the base 1 is fixedly connected with a bearing table 2, both sides of the bearing table 2 are respectively provided with a support column 3 and fixedly connected with the base 1, one side of each support column 3, which is close to the bearing table 2, is respectively fixedly connected with a flow tube 4 connected with a flowmeter, and one end of each flow tube 4, which is used for being connected with an access end of the flowmeter, is respectively provided with a sealing mechanism 5.

According to the scheme of the utility model, the flowmeter to be detected can be placed through the arranged bearing table 2, the flow pipes 4 arranged on two sides of the bearing table 2 can be connected with the flowmeter, then when the flow pipes 4 are contacted with the flowmeter through the arranged sealing mechanism 5, the pressing block 8 is pressed and slides into the sliding groove 14 to press the pressing part 12 of the elastic air bag 7, so that the gas presses the elastic part 13 of the elastic air bag 7 and deforms the elastic part 13 to be attached to the inner wall of the connecting part of the flowmeter, the elastic air bag 7 is perfectly attached to the input end and the output end of the flowmeter, the inaccurate detection caused by leakage is avoided, the calibrating device can cope with flowmeters with different interface shapes, and the application range of the calibrating device is enlarged.

Embodiment two:

referring to fig. 2, the sealing mechanism 5 includes a sleeve 6, an elastic air bag 7 and a pressing block 8, an inner wall of one end of the flow tube 4 connected with the flow meter is fixedly connected with the sleeve 6, the sleeve 6 is close to an opening of the flow tube 4 and an installation groove 9 is formed between the flow tube 4, the elastic air bag 7 and the pressing block 8 for pressing the elastic air bag 7 are sleeved in the installation groove 9, the pressing block 8 is connected with the flow tube 4 through an elastic element 10, a gap is reserved between the pressing block 8 and the installation groove 9 to form a pressing cavity 11, a protrusion is formed on an outer wall of one end of the elastic air bag 7 close to the support column 3 to form a pressing part 12, the pressing part 12 is sleeved in the pressing cavity 11, a fold is formed on one side of the elastic air bag 7 away from the pressing part 12, the elastic part 13 includes a slide groove 14 and a spring 15, a slide groove 14 is formed on an inner wall of one end of the flow tube 4 connected with the flow meter, a protrusion 16 is formed on one end of the pressing block 8 close to the flow meter, and a limit table 16 is formed on the slide groove 16 and is fixedly connected with the slide groove 14.

According to the scheme, the extrusion part 12 of the elastic air bag 7 is sleeved in the extrusion cavity 11 formed between the pressing block 8 sleeved in the mounting groove 9 and the mounting groove 9, when the pressing block 8 is extruded by the flowmeter and slides into the sliding groove 14, the extrusion part 12 is compressed, so that gas in the elastic air bag 7 extrudes the elastic part 13 of the elastic air bag 7, the elastic part 13 deforms to be attached to the inner walls of the input end and the output end of the flowmeter, the tightness is improved, folds arranged at the elastic part 13 can enlarge the deformed area when the elastic part 13 deforms, the contact area of the joint with the flowmeter is enlarged, the sealing effect is better, the flowmeter can be taken down after the test is finished through the arranged elastic piece 10, the spring 15 pushes the pressing block 8 to reset, and the next use is facilitated.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

In practical application, the flowmeter is placed on the bearing table 2, then the flow tube 4 is in fit connection with the input end and the output end of the flowmeter, when the flowmeter is in contact with the flow tube 4, the pressing block 8 is extruded, the pressing block 8 slides into the sliding groove 14, the extrusion part 12 of the elastic air bag 7 is extruded through the pressing block 8, the air pressure inside the elastic air bag 7 is increased, and accordingly the elastic part 13 of the elastic air bag 7 is deformed through air and then is in close fit with the output end and the input end of the flowmeter, and the sealing effect is effectively improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flowmeter calibrating device, includes base (1), its characterized in that, the upper end fixedly connected with plummer (2) of base (1), plummer (2) both sides all be provided with support column (3) and with base (1) fixed connection, two support column (3) are close to one side of plummer (2) is equal fixedly connected with flow tube (4) and flowmeter connection, flow tube (4) are used for all being provided with sealing mechanism (5) with flowmeter access end connection's one end.

2. The flowmeter calibrating device according to claim 1, characterized in that the sealing mechanism (5) comprises a sleeve (6), an elastic air bag (7) and a pressing block (8), wherein the sleeve (6) is fixedly connected to the inner wall of one end of the flow tube (4) connected with the flowmeter, a mounting groove (9) is arranged between the opening of the sleeve (6) close to the flow tube (4) and the flow tube (4), the elastic air bag (7) and the pressing block (8) for extruding the elastic air bag (7) are sleeved in the mounting groove (9), and the pressing block (8) is connected with the flow tube (4) through an elastic element (10).

3. The flowmeter calibrating device according to claim 2, wherein a gap is reserved between the pressing block (8) and the mounting groove (9) to form an extrusion cavity (11), an extrusion part (12) is formed by a protrusion on the outer wall of one end of the elastic air bag (7) close to the support column (3), and the extrusion part (12) is sleeved in the extrusion cavity (11).

4. A flow meter verification apparatus as claimed in claim 3, wherein an elastic portion (13) is provided at an end of the elastic air bag (7) remote from the pressing portion (12), and a fold is formed on one side of the elastic portion (13).

5. The flowmeter calibrating device according to claim 2, wherein the elastic member (10) comprises a chute (14) and a spring (15), the chute (14) is provided on the inner wall of one end of the flow tube (4) connected with the flowmeter, a limit table (16) is formed by protruding one end of the press block (8) close to the flowmeter, and the limit table (16) is slidably sleeved in the chute (14) and fixedly connected with the spring (15) between the chute (14).