CN218724383U - Cone plug-in type V-cone flowmeter - Google Patents

Abstract

The utility model provides a cone plug-in type V awl flowmeter, including main line and the high pressure leading pipe that sets up on it, the low pressure leading pipe, wherein the low pressure leading pipe includes the inside one end backward bending's of main line connecting pipe, the cone is including the fixed pipe that is located its tip, fixed pipe inserts and locates in the connecting pipe and fix through fastener, be equipped with the scarce groove on the connecting pipe inner wall, fastener locates the joint portion of scarce inslot and rather than the regulation pole of being connected including sliding, be equipped with the joint groove on the fixed pipe, regulation pole one end is located outside the main line, the other end rotates with joint portion to be connected, and with main line screw thread sealing connection, the rotation regulation pole can promote joint portion and joint groove block with fixed cone, when overhauing or centrum change, only need to screw out joint portion from the joint inslot, then with the centrum extract can from the connecting pipe, make the maintenance and the change work of centrum can be more simple and convenient, simultaneously when the cone damages only need to change the centrum can, need not whole set of change flowmeter, the replacement cost has been practiced thrift.

Description

Cone plug-in type V-cone flowmeter

Technical Field

The utility model relates to a fluid flow measuring device's technical field specifically is a cone plug-in type V awl flowmeter.

Background

In the technical field of fluid performance or parameter measuring devices, a V-cone flowmeter is commonly used for measuring the flow of fluid and is mainly used for measuring the flow of liquid, gas and steam, the measurement principle is that the flow of fluid is calculated and analyzed according to the difference of pressures at two ends of a cone, and because an inner cone pipe is frequently impacted by the fluid in the flowmeter, especially when the flowmeter is used for detecting the flow of a high-pressure liquid environment, the high flow velocity of the liquid has strong impact on the cone, the structure of the cone and the arrangement state of the cone in the flowmeter are influenced after long-time use, and the flow measurement accuracy is influenced, so that the cone is usually required to be checked and replaced regularly, the commonly used flowmeter directly fixes the cone in a main pipeline, the cone is troublesome to replace, and when the cone is influenced by the fluid and the structure changes or the performance is poor, the accuracy can be ensured only by replacing the flowmeter, and the maintenance and replacement cost is increased.

SUMMERY OF THE UTILITY MODEL

For solving among the above-mentioned background art flowmeter commonly used is that the maintenance that directly leads to the centrum inside the main line with the cone is fixed and is changed comparatively troublesome technical problem, the utility model provides a cone plug-in type V awl flowmeter.

The utility model discloses technical scheme as follows:

the utility model provides a cone plug-in type V awl flowmeter, including the main line, the main line both ends are equipped with the flange for the connection, be equipped with high pressure drawing pipe and low pressure drawing pipe along the fluid flow direction on the main line, high pressure drawing pipe one end is located outside the main line, the other end and main line inner chamber intercommunication, low pressure drawing pipe one end is located outside the main line, and the other end extends the main line inside and is connected with the inside thin end of cone of main line, the cone middle part link up along the axis, and link up the one end and the low pressure drawing pipe intercommunication that the part is close to the low pressure drawing pipe, carry out pressure detection to the high-low pressure region around the cone respectively through high pressure drawing pipe and low pressure drawing pipe, and then computational analysis reachs fluidic flow.

As the utility model discloses a main technical concept, the low pressure draws presses the pipe to include the inside one end of main line and the connecting pipe of backward bending, the cone includes the fixed pipe of thin end, fixed pipe axis and centrum axis collineation, it is inserted and is located in the connecting pipe and can be fixed through fastener.

Particularly, be equipped with scarce groove on the connecting pipe inner wall, fastener locates the joint portion of scarce inslot including sliding, one side that fixed pipe is close to joint portion is equipped with the joint groove, fastener still includes the regulation pole, and its one end is located outside the main pipe way, and the other end runs through main pipe and connecting pipe in proper order and joint portion rotates to be connected, adjust pole and main pipe thread seal and be connected, and can promote joint portion and joint groove block through the rotation regulation pole, and then accomplish the fixed work of cone, when overhauing or centrum change work, only need with joint portion from the joint inslot screw-out, then with the centrum follow the connecting pipe extract can, make the maintenance and the change work of centrum can be more simple and convenient.

According to the cone plug-in type V-cone flowmeter, the axis of the connecting pipe is collinear with the axis of the main pipeline, so that the influence of the connecting pipe on the flow velocity of fluid is reduced, and the accuracy of a flow measurement result is ensured.

As a preferred embodiment, the connecting pipe comprises a through section and a connecting section, the fixed pipe is inserted into the connecting section, one end, close to the connecting section, of the through section is a socket, a plug-in connector is arranged at the outer end of the fixed pipe, the plug-in connector comprises soft glue and is inserted into the socket, the vertebral body can be in sealed communication with the through pipe, and meanwhile the connection between the vertebral body and the connecting pipe is firmer.

Further preferred, the connecting pipe still includes that the bearing section of link up section one end is kept away from to the linkage segment, the bearing section includes horn-shaped structure and inner wall and the laminating of cone outer wall, makes the connection between cone and the connecting pipe can be more firm.

A cone plug-in type V awl flowmeter as above, joint tank bottom portion is the arc, joint portion locates the slider that lacks the inslot including sliding, and the slider inboard is equipped with the joint piece, joint piece inboard be with joint groove tank bottom matched with arc terminal surface, prevent that the joint piece from to the structure of fixed pipe of the too big destruction of fixed pipe pressure, guarantee that the cooperation in joint piece and joint groove can be inseparabler.

It should be noted that, the joint piece is equipped with two at least, prevents that the centrum from receiving the swing or shake of fluid impact force production, guarantees the stability of cone.

The beneficial effects of the utility model reside in that: the utility model provides a cone plug-in type V awl flowmeter, it includes main line and inside cone, wherein cone and connecting pipe plug-in connection are equipped with scarce groove on the connecting pipe inner wall, lack the inslot and be equipped with joint portion, can promote joint portion and joint groove block through the rotation regulation pole, and then accomplish the fixed work of cone, when overhauing or centrum change during operation, only need with joint portion from the joint inslot back-out, then with the centrum follow the connecting pipe extract can, make the maintenance and the change work of centrum can be simple and convenient more, simultaneously when the cone damage only need change the centrum can, need not to change whole set of flowmeter, the replacement cost has been practiced thrift.

Drawings

FIG. 1 is a schematic structural view of a flow meter in the present embodiment;

FIG. 2 is a schematic view showing an arrangement of a fastening device on a connection pipe in the embodiment;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of a fixed pipe in the embodiment;

in the drawings, the reference numbers:

1. a main body; 11. a main pipeline; 12. a flange; 2. a high-pressure guiding pipe; 3. a low-pressure guiding pipe; 31. a connecting pipe; 311. a through section; 312. a connecting section; 313. a support section; 4. a cone; 41. a fixed tube; 411. a plug-in connector; 412. a clamping groove; 5. a fastening device; 51. a clamping part; 511. a slider; 512. a clamping block; 52. an adjusting part.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Examples

This embodiment provides a cone plug-in type V awl flowmeter, combines fig. 1, including main part 1, main part 1 includes main pipeline 11, 11 both ends of main pipeline all are equipped with the flange 12 of connecting usefulness, through flange 12 connects and detects fluid flow on fluid conveying pipeline, be equipped with high pressure leading pipe 2 and low pressure leading pipe 3 on the main pipeline 11 along the fluid flow direction, through high pressure leading pipe 2 and low pressure leading pipe 3 can be connected with differential pressure transmitter, detect fluid flow through pressure differential.

In this embodiment, one end of the high-pressure guiding pipe 2 is located outside the main pipe 11 and is provided with a switch valve (not shown), the other end of the high-pressure guiding pipe is communicated with an inner cavity of the main pipe 11, and an axis of the high-pressure guiding pipe 2 passes through an axis of the main pipe 11 and is perpendicular to the axis of the main pipe 11.

In this embodiment, one end of the low-pressure guiding pipe 3 is located outside the main pipeline 11, the other end extends into the main pipeline 11 and is connected with the thin end of the cone 4 inside the main pipeline 11, the middle part of the cone 4 is provided with a through channel along the axis, and one end of the through channel close to the low-pressure guiding pipe 3 is communicated with the low-pressure guiding pipe 3, pressure detection is respectively carried out on high-pressure and low-pressure areas in front of and behind the cone 4 through the high-pressure guiding pipe 2 and the low-pressure guiding pipe 3, and then the flow of the fluid is obtained through calculation and analysis.

As the main technical concept of the utility model, combine fig. 2-4, low pressure draws and presses pipe 3 to include end to end's the pipe and connecting pipe 31 of pressing, wherein it is located the main line 11 outside to press pipe one end to get, and is equipped with ooff valve (not shown), and the other end extends to the middle part of the 11 inner chambers of main line, it crosses main line 11 axis and is perpendicular with main line 11 axis to get the axis of pressing the pipe, connecting pipe 31 connects in the one end of pressing the pipe and being located main line 11, is backward curved for pressing the pipe, connecting pipe 31 one end promptly with get the pressure union coupling, the directional fluidic flow direction of the other end.

Further, cone 4 includes the fixed pipe 41 of thin end, fixed pipe 41 axis and centrum axis collineation, it inserts and locates in connecting pipe 31 and can fix through fastener 5, be equipped with scarce groove on the inner wall of connecting pipe 31, fastener 5 locates the joint portion 51 of scarce inslot including sliding, one side that fixed pipe 41 is close to joint portion 51 is equipped with joint groove 412, fastener 5 still includes mediation portion, mediation portion is including adjusting the pole, and its one end is located the main line 11 outside, and the other end runs through main line 11 and connecting pipe 31 in proper order and joint portion 51 rotates and is connected, adjust pole and main line 11 thread seal and be connected, and can promote joint portion 51 and joint groove 412 block through rotatory regulation pole, and then accomplish the fixed work of cone 4, the one end that the regulation pole is located the main line 11 outside is equipped with the video disc, conveniently carries out the rotatory work of regulation pole, when overhauing or centrum change work, only need with joint portion 51 from joint inslot 412 spin out, then with the centrum follow connecting pipe 31 in extract can, make the maintenance and the change work of centrum can be more simple and convenient.

As a preferred embodiment, the axis of the connecting pipe 31 is collinear with the axis of the main pipeline 11, so that the influence of the connecting pipe 31 on the flow velocity of the fluid is reduced, and the accuracy of the flow measurement result is ensured.

With regard to the structure exhibition of connecting pipe 31, connecting pipe 31 is including lining up section 311 and linkage segment 312, lining up section 311 one end and getting to press the pipe to be connected, the other end is equipped with linkage segment 312, linkage segment 312 is inside to be equipped with cylindrical connection chamber, fixed pipe 41 is inserted and is located the connection intracavity of linkage segment 312, the one end that link up section 311 is close to linkage segment 312 is the interface, the one end of keeping away from 4 thick ends of cone promptly in fixed pipe 41 outer end is equipped with bayonet joint 411, bayonet joint 411 includes the flexible glue, and it is inserted and is located in the interface, guarantees the centrum and can seal the UNICOM with the pipe that link up, makes the centrum more firm with connecting pipe 31's being connected simultaneously.

Further, connecting pipe 31 is still including locating the bearing section 313 that linkage segment 312 kept away from link up section 311 one end, bearing section 313 includes the laminating of horn-shaped structure and inner wall and 4 outer walls of cone, makes being connected between cone 4 and the connecting pipe 31 can be more firm, has effectively reduced the influence of fluid impact force to the centrum.

In this embodiment, lack the groove and be located the inner wall of linkage segment 312, joint portion 51 locates the slider 511 of lacking the inslot including sliding, slider 511 inboard is close to fixed pipe 41 one side promptly and is equipped with joint piece 512, the bottom of joint groove 412 is the arc structure, promptly joint groove 412 is made for the ring-cutting that is the angle around fixed pipe 41, makes the cross-section of joint groove 412 is fan-shaped, joint piece 512 inboard is close to fixed pipe 41 one side promptly and is the arc terminal surface with joint groove 412 tank bottom matched with, and works as joint piece 512 inboard and the laminating of joint groove 412 tank bottom when joint piece 512 matches with joint groove 412, prevents that joint piece 512 from to the structure of fixed pipe 41 of the too big destruction of the pressure of fixed pipe 41, guarantees that the cooperation of joint piece 512 and joint groove 412 can be inseparabler.

It should be noted that three clamping blocks 512 are arranged along the axial direction of the fixing tube 41, so as to prevent the cone body from swinging or shaking due to the impact force of the fluid, and ensure the stability of the cone body 4, of course, the number of the clamping blocks 512 should be ensured to be greater than two, and no limitation is imposed on the specific number of the clamping blocks 512.

Claims (6)

1. A cone plug-in type V-cone flowmeter comprises a main pipeline (11), wherein a high-pressure leading pipe (2) and a low-pressure leading pipe (3) are arranged on the main pipeline (11), the low-pressure leading pipe (3) extends into the main pipeline (11) and is connected with a thin end of a cone (4) in the main pipeline (11), the middle part of the cone (4) is communicated along an axis, one end, close to the low-pressure guiding pipe (3), of the low-pressure guiding pipe is communicated with the low-pressure guiding pipe (3), the low-pressure guiding pipe (3) comprises a connecting pipe (31) with one end bent backwards in the main pipeline (11), the cone (4) comprises a fixing pipe (41) with a thin end, and the fixing pipe (41) is inserted into the connecting pipe (31) and can be fixed through a fastening device (5);

be equipped with on connecting pipe (31) inner wall and lack the groove, fastener (5) locate joint portion (51) of lacking the inslot including sliding, one side that fixed pipe (41) are close to joint portion (51) is equipped with joint groove (412), fastener (5) are still including adjusting the pole, and its one end is located outside main line (11), and the other end runs through main line (11) and connecting pipe (31) in proper order and rotates with joint portion (51) and is connected, adjust pole and main line (11) thread sealing connection, and can promote joint portion (51) and joint groove (412) block through the rotation regulation pole.

2. A cone plug-in V-cone flowmeter according to claim 1 wherein the connection tube (31) axis is collinear with the main pipeline (11) axis.

3. The cone plug-in type V-cone flowmeter according to claim 2, wherein the connecting pipe (31) comprises a through section (311) and a connecting section (312), the fixed pipe (41) is inserted into the connecting section (312), a plug port is formed at one end of the through section (311) close to the connecting section (312), a plug connector (411) is arranged at the outer end of the fixed pipe (41), and the plug connector (411) comprises soft rubber and is inserted into the plug port.

4. The cone plug-in type V-cone flowmeter according to claim 3, wherein the connecting pipe (31) further comprises a bearing section (313) at one end of the connecting section (312) far away from the through section (311), the bearing section (313) comprises a horn-shaped structure, and the inner wall of the bearing section is attached to the outer wall of the cone (4).

5. The cone plug-in type V-cone flowmeter according to claim 1, wherein the bottom of the clamping groove (412) is arc-shaped, the clamping portion (51) comprises a sliding block (511) slidably arranged in the notch, a clamping block (512) is arranged on the inner side of the sliding block (511), and the inner side of the clamping block (512) is an arc-shaped end surface matched with the bottom of the clamping groove (412).

6. The cone plug-in type V-cone flowmeter of claim 5, wherein there are at least two said snap blocks (512).

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