CN217877843U

CN217877843U - Novel hot type gas mass flow meter

Info

Publication number: CN217877843U
Application number: CN202220824423.5U
Authority: CN
Inventors: 刘宽; 王大魁
Original assignee: Kaifeng Jingbo Automation Instrument Co ltd
Current assignee: Kaifeng Jingbo Automation Instrument Co ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-11-22
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a novel gaseous mass flow meter of hot type relates to flowmeter technical field, including the flowmeter body, the both sides of flowmeter body pipeline all are equipped with the connecting cylinder body. Through two connecting cylinder body in advance with outside connecting pipe flange joint, and make the sleeve rotatory at the both ends of flowmeter body pipeline under external thread and internal screw thread effect, make the spacing ring take the sealing ring extrusion solid fixed ring, thereby lock flowmeter body and two connecting cylinder bodies, and seal between spacing ring and the solid fixed ring through the sealing ring, axial length through the external screw thread, can make the sleeve replenish the length at connecting cylinder body and flowmeter body pipeline both ends with the adaptation, need not too much to consider the distance of external connection pipe and the size of flowmeter body, the installation is comparatively simple, the setting of filter screen, can play impurity filtering's effect, through barrel one that sets up, guide bar and barrel two, can support spacingly to the flowmeter body.

Description

Novel hot type gas mass flow meter

Technical Field

The utility model relates to a flowmeter technical field specifically is a novel hot type gas mass flow meter.

Background

Thermal gas mass flowmeters are instruments that measure the flow of gas using the principle of thermal diffusion. The sensor consists of two reference level thermal resistors. One is a speed sensor RH, the other is a temperature sensor RMG for measuring the gas temperature change, and the thermal type gas mass flow meter is widely applied in a plurality of industries, and the principle is based on the thermal diffusion principle, namely, the heat loss of a heating object and the flow of fluid form a certain proportional relation when the fluid flows through the heating object.

At present, hot type gas mass flow meter's mounting means is mostly flange joint, and the connecting pipe of hot type gas mass flow meter both sides is fixed mostly, can not the spacing, so hot type gas mass flow meter's size gets the interval that adapts to both sides connecting pipe for when hot type gas mass flow meter installs in the clearance of connecting pipe very little, the installation is comparatively difficult. Therefore, a novel thermal gas mass flowmeter is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a novel hot type gas mass flow meter in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel hot type gas mass flowmeter, includes the flowmeter body, the both sides of flowmeter body pipeline all are equipped with connecting cylinder, and two connecting cylinder symmetries, two connecting cylinder one ends that are close to the flowmeter body all overlap and are equipped with the sleeve, the external screw thread has all been seted up at the both ends of flowmeter body pipeline, the internal thread with external screw thread looks adaptation is all seted up to the inner wall that every sleeve is close to the flowmeter body, the both ends of flowmeter body pipeline all through external screw thread and internal thread respectively with two sleeve threaded connection, the spout has all been seted up to the inner wall that flowmeter body one side was kept away from to every sleeve, the outer surface that every connecting cylinder is close to flowmeter body one end has all welded solid fixed ring, two solid fixed ring and two spout one-to-ones, and solid fixed ring and spout sliding connection, the one end that the flowmeter body was kept away from to every sleeve all is equipped with the spacing ring through screw fixedly connected with, the one end that the flowmeter body was kept away from to two solid fixed ring all is equipped with the sealing ring, and the one side that solid fixed ring kept away from solid fixed ring contacts with the spacing ring.

Further, the both sides of flowmeter body surface all articulate there is barrel one, the equal sliding connection in inside of every barrel one has the guide bar, the surface of two connected barrels all articulates there is barrel two, two guide bars and two barrel one-to-one, and the guide bar run through barrel two and with two sliding connection of barrel.

Furthermore, the filter screen is all installed to the one end that two connect the barrel to be close to the flowmeter body.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this novel hot type gas mass flow meter possesses following beneficial effect:

the utility model discloses an external screw thread, the sleeve, the spout, gu fixed ring, the spacing ring, sealing ring and internal screw thread cooperation design, make two connecting barrel advance with outside connecting pipe flange joint, and make the sleeve rotatory at the both ends of flowmeter body pipeline under external screw thread and internal screw thread effect, make the spacing ring take sealing ring extrusion solid fixed ring, thereby lock flowmeter body and two connecting barrel, and seal between spacing ring and the solid fixed ring through the sealing ring, axial length through the external screw thread, can make the sleeve supply the length at connecting barrel and flowmeter body pipeline both ends with the adaptation, the distance that need not too much to consider outside connecting pipe and the size of flowmeter body, the installation is comparatively simple, the setting of filter screen, can play impurity filtering's effect, through the barrel that sets up one, guide bar and barrel two, can support spacingly to the flowmeter body.

Drawings

Fig. 1 is a schematic cross-sectional view of a front view of the present invention;

FIG. 2 is a schematic view of the internal structure of the sleeve according to the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a flowmeter body; 2. a first cylinder body; 3. a guide rod; 4. filtering with a screen; 5. a second cylinder body; 6. connecting the cylinder body; 7. a limiting ring; 8. a fixing ring; 9. a chute; 10. a sleeve; 11. an external thread; 12. an internal thread; 13. and (4) a sealing ring.

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.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a novel hot type gas mass flowmeter, including flowmeter body 1, the both sides of flowmeter body 1 pipeline all are equipped with connecting cylinder body 6, and two connecting cylinder body 6 are symmetrical, connecting cylinder body 6 and outside connecting pipe diameter size looks adaptation, and install the ring flange and be used for connecting the outside connecting pipe, two connecting cylinder body 6 are close to flowmeter body 1's one end and all are equipped with sleeve 10, external screw thread 11 has all been seted up at flowmeter body 1 pipeline's both ends, every sleeve 10 is close to flowmeter body 1's inner wall and all sets up the internal thread 12 with external screw thread 11 looks adaptation, flowmeter body 1 pipeline's both ends all through external screw thread 11 and internal thread 12 respectively with two sleeve 10 threaded connection, external screw thread 11's surface winding has the sealing strip, when being connected with internal thread 12, can ensure the leakproofness, every sleeve 10 keeps away from flowmeter body 1 one side's inner wall and all has seted up spout 9, every connecting cylinder body 6 is close to the outer surface of flowmeter body 1 one end all welds solid fixed ring 8, two solid fixed ring 8 and two spout 9 one-to-ones, and solid fixed ring 8 and spout 9 sliding connection.

One end of each sleeve 10 far away from the flowmeter body 1 is fixedly connected with a limiting ring 7 through a screw, one end of each fixing ring 8 far away from the flowmeter body 1 is provided with a sealing ring 13, one side of each sealing ring 13 far away from the fixing ring 8 is in contact with the limiting ring 7, the external thread 11 is adopted, the sleeve 10 is adopted, a sliding groove 9 is adopted, the fixing ring 8 is adopted, the limiting ring 7 is adopted as well as the internal thread 12, the two connecting cylinders 6 are in flange connection with an external connecting pipe in advance, the sleeve 10 is made to rotate at two ends of a flowmeter body 1 pipeline under the action of the external thread 11 and the internal thread 12, the limiting ring 7 is made to extrude the fixing ring 8 with the sealing ring 13, the flowmeter body 1 and the two connecting cylinders 6 are locked, the axial length of the external thread 11 is adopted, the lengths of the sleeve 10 at two ends of the connecting cylinders 6 and the flowmeter body 1 pipeline can be supplemented with adaptation, the distance between the external connecting pipe and the flowmeter body 1 and the size of the flowmeter body 1 are not required to be considered too much, the installation is simple, the sealing ring 7 and the fixing ring 8 is sealed through the sealing ring 13, one end of the two connecting cylinders 6 close to the flowmeter body 1, the filtering net 4 is installed, the filtering net 4, and the filtering effect of the filtering net of the impurities can be achieved.

The both sides of 1 surface of flowmeter body all articulate there is barrel one 2, the equal sliding connection in inside of every barrel one 2 has guide bar 3, the surface of two connection barrel 6 all articulates there is barrel two 5, two guide bar 3 and two 5 one-to-ones of barrel, and guide bar 3 run through barrel two 5 and with two 5 sliding connection of barrel, through barrel one 2, guide bar 3 and the barrel two 5 that set up, can support spacing to flowmeter body 1.

The working principle is as follows: during the installation, earlier with two connecting cylinder bodies 6 and outside connecting pipe flange joint, then place flowmeter body 1 between two connecting cylinder bodies 6, make sleeve 10 rotatory under the effect of external screw thread 11 and internal thread 12, make spacing ring 7 take sealing ring 13 extrusion solid fixed ring 8, thereby lock flowmeter body 1 and two connecting cylinder bodies 6, and insert corresponding barrel two 5 in through guide bar 3, support and spacing flowmeter body 1, prevent that flowmeter body 1 from rotating for connecting cylinder body 6.

Claims

1. A novel hot type gas mass flow meter comprises a flow meter body (1), and is characterized in that: the two sides of the pipeline of the flowmeter body (1) are both provided with connecting cylinder bodies (6), the two connecting cylinder bodies (6) are symmetrical, one end of each connecting cylinder body (6) close to the flowmeter body (1) is sleeved with a sleeve (10), the two ends of the pipeline of the flowmeter body (1) are both provided with external threads (11), the inner wall of each sleeve (10) close to the flowmeter body (1) is provided with an internal thread (12) matched with the external thread (11), two ends of the pipeline of the flowmeter body (1) are respectively in threaded connection with the two sleeves (10) through external threads (11) and internal threads (12), the inner wall of one side of each sleeve (10) far away from the flowmeter body (1) is provided with a sliding groove (9), the outer surface of one end of each connecting cylinder (6) close to the flowmeter body (1) is welded with a fixing ring (8), the two fixing rings (8) correspond to the two sliding grooves (9) one by one, the fixed ring (8) is connected with the chute (9) in a sliding way, one end of each sleeve (10) far away from the flowmeter body (1) is fixedly connected with a limiting ring (7) through a screw, one end of each of the two fixing rings (8) far away from the flowmeter body (1) is provided with a sealing ring (13), and one side of the sealing ring (13) far away from the fixing ring (8) is contacted with the limiting ring (7).

2. The new thermal gas mass flow meter according to claim 1, characterized in that: the flowmeter is characterized in that the two sides of the outer surface of the flowmeter body (1) are hinged with a first cylinder body (2), the inner part of each first cylinder body (2) is connected with a guide rod (3) in a sliding mode, the outer surfaces of the two connecting cylinder bodies (6) are hinged with a second cylinder body (5), the two guide rods (3) correspond to the two cylinder bodies (5) one to one, and the guide rods (3) penetrate through the second cylinder bodies (5) and are connected with the second cylinder bodies (5) in a sliding mode.

3. The new thermal gas mass flow meter according to claim 1, characterized in that: and the two connecting cylinder bodies (6) are provided with filter screens (4) at the ends close to the flowmeter body (1).