CN219495356U

CN219495356U - Screw thread type on-line installation thermal type gas mass flowmeter

Info

Publication number: CN219495356U
Application number: CN202320421244.1U
Authority: CN
Inventors: 吴伟; 徐承云
Original assignee: Jiangsu Hualiu Instrument Co ltd
Current assignee: Jiangsu Hualiu Instrument Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-08-08
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a threaded on-line installation thermal type gas mass flowmeter, which comprises a pipeline and a flowmeter gauge head, wherein the bottom of the pipeline is fixedly connected with a welding base, the top of the welding base is fixedly connected with a ball valve, the top of the ball valve is fixedly connected with a fixing seat, the inner thread of the fixing seat is connected with a probe rod, the probe rod penetrates through the pipeline, the bottom end of the probe rod is provided with a probe body, the outer side of the fixing seat is in threaded connection with a pressing cap, the pressing cap is in contact with the probe rod, and the outer side of the probe rod is fixedly connected with a fixing ring. The utility model not only can facilitate the installation of the probe rod by staff, solve the problem of difficult insertion of high pressure, improve the installation effect of the device, but also can realize the sealing between the probe rod and the fixed seat, improve the sealing effect of the device, and can realize double sealing between the probe rod and the fixed seat by the cooperation of the clearance groove and the second O-shaped ring.

Description

Screw thread type on-line installation thermal type gas mass flowmeter

Technical Field

The utility model relates to the technical field of instruments and meters, in particular to a screw thread type on-line installation thermal type gas mass flowmeter.

Background

The thermal type gas mass flowmeter is a flow instrument designed based on the heat diffusion principle, is widely applied to industry, and can effectively solve the problem of small measuring range ratio of the thermal type gas mass flowmeter.

At present, in an industrial-grade thermal gas mass flowmeter, the existing online installation has the problem that a gas medium in a pipeline can seriously leak in the process of inserting and extracting a flowmeter probe and a rod piece, the online installation has the characteristic of pressure, the pressure in the pipeline can blow out the probe, and the higher the pressure in the pipeline is, the more difficult the probe and the probe rod are to be inserted by hands of a person, so that the gas leakage amount is large.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a screw thread type on-line installation thermal type gas mass flowmeter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a screw thread formula on-line installation hot type gas mass flowmeter, includes pipeline and flowmeter gauge outfit, the bottom fixedly connected with welding base of pipeline, welding base's top fixedly connected with ball valve, the top fixedly connected with fixing base of ball valve, the inside threaded connection of fixing base has the probe pole, and the probe pole passes the pipeline, the bottom of probe pole is equipped with the probe body, the outside threaded connection of fixing base has the pressure cap, and presses the cap to contact with the probe pole, the outside fixedly connected with solid fixed ring of probe pole, the top fixedly connected with sealing gasket of fixing base, and sealing gasket contacts with solid fixed ring, the circumference inner wall fixedly connected with spacing ring of pressure cap, and spacing ring contacts with solid fixed ring and sealing gasket, the mounting groove has been seted up to the bottom of fixing base, is equipped with first O type circle in the mounting groove, two keep away the position groove has been seted up in the circumference outside of probe pole, keeps away the position inslot and is equipped with the second O type circle.

As a still further scheme of the utility model, the top end of the probe rod is provided with a direction indicator.

As a still further scheme of the utility model, flanges are fixedly connected to two ends of the pipeline.

As a still further proposal of the utility model, one side of the flange is fixedly connected with a rubber pad.

As a still further scheme of the utility model, one side of the flange is fixedly connected with a plurality of fixing blocks, and the fixing blocks are fixed with the pipeline.

As a still further scheme of the utility model, one side of the flowmeter gauge outfit is rotatably connected with a protective cover.

As a still further proposal of the utility model, the outer wall of one side of the protective cover is fixedly connected with a rotating handle.

As a still further scheme of the utility model, a plurality of anti-skid patterns are arranged on the outer side of the circumference of the press cap, and the anti-skid patterns are uniformly distributed.

The beneficial effects of the utility model are as follows:

1. through processing into helicitic texture with male probe pole insert part, when needs are installed the probe pole, at first insert the fixing base with the probe pole in, then rotate the probe pole, make it drive the probe body and move suitable position along the pipeline downwardly to make solid fixed ring and sealing gasket contact, thereby make things convenient for the staff to install the probe pole, solve the difficult male problem of high pressure, improved the installation effect of device.

2. Through the setting of installing the spacing ring on pressing the cap, after finishing the probe pole installation, rotate and press the cap, it upwards moves suitable position and probe pole contact, spacing ring and solid fixed ring and sealing gasket contact this moment to realize the seal between probe pole and the fixing base, improved the sealed effect of device.

3. Through the cooperation of keeping away the position groove and the second O type circle and using, realize the upper portion of probe pole and do not process the part between screw thread section and the fixing base to make and obtain dual seal between probe pole and the fixing base, improved the practicality of device.

Drawings

FIG. 1 is a schematic perspective view of a screw-type on-line thermal gas mass flowmeter according to the present utility model;

FIG. 2 is a schematic view of a partially cut-away structure of a screw-type on-line thermal gas mass flowmeter according to the present utility model;

FIG. 3 is a schematic diagram of a partially enlarged structure of a screw-type on-line thermal gas mass flowmeter according to the present utility model;

fig. 4 is an enlarged schematic view of a probe rod of a screw-type on-line installed thermal gas mass flowmeter according to the present utility model.

In the figure: 1. a pipe; 2. welding a base; 3. a ball valve; 4. a fixing seat; 5. pressing the cap; 6. a probe rod; 7. a direction indicator; 8. a flowmeter head; 9. a protective cover; 10. a rotating handle; 11. a flange; 12. a fixed block; 13. a rubber pad; 14. anti-skid lines; 15. a probe body; 16. a fixing ring; 17. a limiting ring; 18. a sealing gasket; 19. a first O-ring; 20. a mounting groove; 21. a clearance groove; 22. and a second O-ring.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the accompanying drawings, in which embodiments of the present utility model are shown, and in which embodiments are shown, by way of illustration, only, and not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a screw thread type on-line installation thermal gas mass flowmeter comprises a pipeline 1 and a flowmeter head 8, wherein a welding base 2 is fixed at the bottom of the pipeline 1 through bolts, a ball valve 3 is fixed at the top of the welding base 2 through bolts, a fixing seat 4 is fixed at the top of the ball valve 3 through bolts, a probe rod 6 is connected with the inner screw thread of the fixing seat 4, the probe rod 6 penetrates through the pipeline 1, threads on the probe rod 6 are arranged from the bottom to the lower part of a clearance groove 21, a probe body 15 is arranged at the bottom of the probe rod 6, a pressing cap 5 is connected with the outer screw thread of the fixing seat 4, the pressing cap 5 is contacted with the probe rod 6, a fixing ring 16 is fixed at the outer side of the probe rod 6 through bolts, when the probe rod 6 needs to be installed, the probe rod 6 is firstly inserted into the fixing seat 4, then the probe rod 6 is rotated to drive the probe body 15 to move downwards to a proper position along the pipeline 1, the fixed ring 16 is contacted with the sealing gasket 18, thereby facilitating the installation of the probe rod 6 by workers, solving the problem of difficult insertion of high pressure, the sealing gasket 18 is adhered to the top of the fixed seat 4, the sealing gasket 18 is contacted with the fixed ring 16, the limit ring 17 is adhered to the circumferential inner wall of the pressure cap 5, the limit ring 17 is contacted with the fixed ring 16 and the sealing gasket 18, after the probe rod 6 is installed, the pressure cap 5 is rotated to move upwards to a proper position to be contacted with the probe rod 6, at the moment, the limit ring 17 is contacted with the fixed ring 16 and the sealing gasket 18, thereby realizing the sealing between the probe rod 6 and the fixed seat 4, the bottom of the fixed seat 4 is provided with a mounting groove 20, a first O-shaped ring 19 is arranged in the mounting groove 20, two avoidance grooves 21 are arranged on the circumferential outer side of the probe rod 6, a second O-shaped ring 22 is arranged in the avoidance groove 21, the sealing between the part of the upper part of the probe rod 6, which is not provided with the thread section, and the fixed seat 4 is realized through the cooperation of the clearance groove 21 and the second O-shaped ring 22, so that the double sealing is realized between the probe rod 6 and the fixed seat 4.

In the utility model, it should be noted that the top end of the probe rod 6 is provided with the direction indicator 7, the two ends of the pipeline 1 are all fixed with the flange 11 through bolts, one side of the flange 11 is adhered with the rubber pad 13, the rubber pad 13 is convenient for workers to fix the pipeline 1 with an external connecting piece through the flange 11, one side of the flange 11 is fixed with a plurality of fixing blocks 12 through bolts, the fixing blocks 12 are fixed with the pipeline 1, the fixing blocks 12 enable the connection between the flange 11 and the pipeline 1 to be firmer, one side of the flowmeter gauge head 8 is rotatably connected with the protective cover 9, the protective cover 9 can protect a display screen on the flowmeter gauge head 8, the outer wall of one side of the protective cover 9 is fixed with the rotating handle 10 through bolts, the circumference outer side of the press cap 5 is provided with a plurality of anti-skid patterns 14, and the anti-skid patterns 14 are uniformly distributed.

Working principle: when the probe body 15 needs to be installed, the probe rod 6 is inserted into the fixed seat 4, then the probe rod 6 is rotated, the probe body 15 is driven to move downwards to a proper position along the pipeline 1, the fixed ring 16 is contacted with the sealing gasket 18, accordingly, a worker can conveniently install the probe body 15 on the probe rod 6, the problem that high pressure is difficult to insert is solved, after the probe rod 6 is installed, the pressing cap 5 is rotated, the pressing cap moves upwards to a proper position to be contacted with the probe rod 6, and at the moment, the limiting ring 17 is contacted with the fixed ring 16 and the sealing gasket 18, so that sealing between the probe rod 6 and the fixed seat 4 is realized.

Finally, it should be noted that: modifications of the embodiments described in the foregoing will be readily apparent to those skilled in the art, and equivalents may be substituted for elements thereof. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a screw thread formula on-line installation hot type gas mass flowmeter, includes pipeline (1) and flowmeter gauge outfit (8), its characterized in that, the bottom fixedly connected with welding base (2) of pipeline (1), the top fixedly connected with ball valve (3) of welding base (2), the top fixedly connected with fixing base (4) of ball valve (3), the inside threaded connection of fixing base (4) has probe pole (6), and probe pole (6) pass pipeline (1), the bottom of probe pole (6) is equipped with probe body (15), the outside threaded connection of fixing base (4) has pressure cap (5), and pressure cap (5) and probe pole (6) contact, the outside fixedly connected with solid fixed ring (16) of probe pole (6), the top fixedly connected with sealing washer (18) of fixing base (4), and sealing washer (18) and solid fixed ring (16) contact, the circumference inner wall fixedly connected with spacing collar (17) of pressure cap (5), and spacing collar (17) contact with solid fixed ring (16) and sealing washer (18), the bottom (4) is equipped with one and keeps away in groove (20) of fixing base (20) and is equipped with the outside groove (20), the inside of the clearance groove (21) is provided with a second O-shaped ring (22).

2. The screw-type on-line installation thermal gas mass flowmeter of claim 1, wherein the top end of the probe rod (6) is provided with a direction indicator (7).

3. The screw thread type on-line installation thermal type gas mass flowmeter according to claim 1, wherein flanges (11) are fixedly connected to two ends of the pipeline (1).

4. A screw-type on-line installed thermal gas mass flowmeter according to claim 3, characterized in that a rubber pad (13) is fixedly connected to one side of the flange (11).

5. A screw-type on-line installed thermal gas mass flowmeter according to claim 3, characterized in that one side of the flange (11) is fixedly connected with a plurality of fixing blocks (12), and the fixing blocks (12) are fixed with the pipeline (1).

6. The screw-type on-line installation thermal gas mass flowmeter according to claim 1, wherein a protective cover (9) is rotatably connected to one side of the flowmeter head (8).

7. The screw thread type on-line installation thermal type gas mass flowmeter according to claim 6, wherein a rotating handle (10) is fixedly connected to the outer wall of one side of the protective cover (9).

8. The screw thread type on-line installation thermal type gas mass flowmeter according to claim 1, wherein a plurality of anti-skid threads (14) are formed on the outer side of the circumference of the pressure cap (5), and the anti-skid threads (14) are uniformly distributed.