CN214096188U

CN214096188U - V-cone type flowmeter

Info

Publication number: CN214096188U
Application number: CN202022508003.XU
Authority: CN
Inventors: 陈雪中; 孙进; 高春甫; 孙顺远; 陈光远
Original assignee: Bian Jianqing
Current assignee: SHENZHOU OBSERVATION AND CONTROL EQUIPMENT Co.,Ltd.
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-08-31
Anticipated expiration: 2030-11-03

Abstract

The invention relates to the technical field of V-cone flowmeters, and discloses a V-cone flowmeter, which comprises a circulation pipe, wherein the front end and the rear end of the circulation pipe are fixedly connected with flanges, the upper surface of the circulation pipe is fixedly connected with a positive pressure hole taking pipe and a negative pressure hole taking pipe, the surfaces of the positive pressure hole taking pipe and the negative pressure hole taking pipe are respectively sleeved with an adjusting mechanism, the inner walls of the positive pressure hole taking pipe and the negative pressure hole taking pipe are slidably connected with a lifting rod, the right side surface of the lifting rod is provided with a positioning hole, the upper end surface of the lifting rod is fixedly connected with a meter, the circumferential side surface of the adjusting mechanism is sleeved with a shaft sleeve, the right side of the inner wall of the shaft sleeve is fixedly connected with a second fixed shaft, the problem that the sensing part of the meter is blocked by impurities for liquid with impurity pollution is solved, and the V-cone flowmeter is used in a deeper river channel because the supporting mechanism of the traditional flowmeter is shorter and cannot be adjusted, so that the internal parts of the flowmeter are affected by damp, thereby reducing the service life of the flowmeter.

Description

V-cone type flowmeter

Technical Field

The invention relates to the technical field of V-cone flowmeters, in particular to a V-cone flowmeter.

Background

The V-cone type flowmeter is based on the Venturi tube measuring principle and improves the structure of the traditional Venturi tube, and the throttling device integrates the performance advantages of the traditional Venturi tube, the annular orifice plate, the wear-resistant orifice plate and the conical inlet orifice plate, and can realize accurate measurement of the flow of various media. The throttling is realized by a conical body suspended in the center of the pipeline, the fluid is contracted to the inner wall of the pipeline and flows through a gap formed by the conical body and the inner wall of the pipeline, so that differential pressure before and after the throttling element is formed, and the flow measurement is realized by measuring the differential pressure value. Compared with other flow meters, the V-cone flow meter has the advantages of high long-term precision, good stability, small limitation by installation conditions, wear resistance, wide measurement range, small pressure loss, suitability for dirty media and the like.

Compare with ordinary throttle spare, it has changed the throttle overall arrangement, change annular throttle into from the centre bore throttle, however to the liquid that has impurity pollution, in order to prevent the response position of impurity jam counter, can install filter equipment additional on liquid flowmeter, current filter equipment is external filter tube often, this installation and the dismantlement for filter equipment has brought inconveniently, and use V cone type flowmeter in darker river course, because the supporting mechanism of traditional flowmeter is shorter, can not adjust again, cause flowmeter internals to wet, and then reduce flowmeter's life.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the V-cone type flowmeter has the advantages of solving the problems that the sensing part of the flowmeter is blocked by impurities for liquid with impurity pollution, and the V-cone type flowmeter is used in a deeper river channel, and the internal parts of the flowmeter are affected with damp due to the fact that the traditional flowmeter has a shorter supporting mechanism and cannot be adjusted, and further the service life of the flowmeter is shortened.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a V cone type flowmeter, includes the runner pipe, both ends fixedly connected with flange around the runner pipe, the last fixed surface of runner pipe is connected with the malleation and gets the hole pipe and get the hole pipe with the negative pressure, the surface that the hole pipe was got to the malleation and the hole pipe is got to the negative pressure all has cup jointed adjustment mechanism, the inner wall sliding connection that the hole pipe was got to the malleation and the hole pipe is got to the negative pressure has the lifter, the position adjusting hole has been seted up on the right side surface of lifter, the up end fixedly connected with counter of lifter.

The utility model discloses a fixed axle, including adjustment mechanism, inner wall, fixed axle two's circumference side is provided with the spring, the one end fixedly connected with round platform of axle sleeve is kept away from to the spring, the other end fixedly connected with setting element of fixed axle two, axle sleeve inner wall rear side fixedly connected with fixed axle one, the circumference side of fixed axle one articulates there is the plectrum, outside the axle sleeve was stretched out to the one end that fixed axle one was kept away from to the plectrum, the perforation has been seted up on the surface of plectrum.

Preferably, the upper surface of the circulation pipe is provided with a slot, a filter screen plate is inserted in the slot, the upper end surface of the filter screen plate is fixedly connected with an elastic fastener, the elastic fastener comprises a second protrusion and a first protrusion, the first protrusion is positioned above the second protrusion, the pipe wall of the circulation pipe is provided with a groove, the inner side wall under the slot is provided with a positioning groove, and the size of the positioning groove is matched with the filter screen plate.

Preferably, the pore pipe is got to the malleation and the pore pipe is got to the negative pressure is in on same straight line, the malleation is got the inside of pore pipe and runner pipe and is linked together, the shell and the coniform body fixed connection that the other end that the pore pipe was got to the negative pressure runs through the runner pipe, the spout has been seted up on the surface in positioning hole, the round platform is located between spring and the plectrum, the perforation is passed to two one ends of keeping away from the axle sleeve of fixed axle, and with setting element fixed connection, adjustment mechanism sets up on the surface and advances the hole corresponding with positioning hole, the slot is located the negative pressure and gets the rear side of pore pipe, and on same horizontal plane, the length of filter plate equals the internal diameter of runner pipe inner wall, the filter plate size and slot phase-match, filter plate can dismantle, protruding two and recess phase-matches.

(III) advantageous effects

Compared with the prior art, the invention provides the V-cone type flowmeter which has the following beneficial effects:

1. the V-cone flow meter is characterized in that the upper end surface of the flow pipe is provided with a slot through the flow meter, the slot is communicated with the flow pipe, a detachable filter screen plate is inserted in the slot, the size of the filter screen plate is matched with the slot, the area of the flow meter is larger than the area of the inner wall of the flow pipe, so that the flow meter is provided with a filter screen plate without being externally connected with a filter device, the filter screen plate can be inserted into the slot at any time, and can also be taken out for cleaning at any time, the upper end of the filter screen plate is fixedly connected with the elastic clamping piece which is contacted with the top pipe wall of the circulating pipe, because the second bulge in the elastic clamping piece is matched with the groove, the second bulge is clamped in the groove, the first bulge is positioned above the second bulge, the first bulge and the second bulge clamp the pipe wall of the flow pipe, so that the fixing strength of the filter screen plate is enhanced, and the measurement accuracy of the flowmeter is improved.

2. This V coniform flowmeter, through stirring the plectrum for the spring is in compression state, and the setting element breaks away from the positioning hole on the lifter, can slide the lifter, realizes altitude mixture control, treats that the lifter slides when the positioning hole of next height, releases the plectrum, makes the setting element downthehole in the positioning, is convenient for according to the height of actual conditions adjustment hole pipe, accomplishes the adjustment action, and the flowmeter of being convenient for improves the life of flowmeter in regional use of depth of water.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the flow meter of the present invention;

FIG. 3 is a schematic view of an adjusting mechanism according to the present invention;

fig. 4 is a partial schematic view of an adjustment mechanism of the present invention.

In the figure: the device comprises a flow pipe 1, an adjusting mechanism 3, a lifting rod 4, a meter 5, a flange 6, a first bulge 7, an elastic clamping piece 8, a second bulge 9, a filter screen plate 10, a positive pressure hole taking pipe 11, a negative pressure hole taking pipe 12, a slot 14, a groove 15, a positioning groove 16, a positioning hole 17, a perforation 18, a shaft sleeve 19, a shifting sheet 20, a positioning piece 21, a circular truncated cone 22, a first fixed shaft 23, a spring 24 and a second fixed shaft 25.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides the following technical solutions: a V-cone flow meter comprises a flow pipe 1, wherein flanges 6 are fixedly connected to the front end and the rear end of the flow pipe 1, a positive pressure hole taking pipe 11 and a negative pressure hole taking pipe 12 are fixedly connected to the upper surface of the flow pipe 1, adjusting mechanisms 3 are sleeved on the surfaces of the positive pressure hole taking pipe 11 and the negative pressure hole taking pipe 12, lifting rods 4 are slidably connected to the inner walls of the positive pressure hole taking pipe 11 and the negative pressure hole taking pipe 12, positioning holes 17 are formed in the right side surface of each lifting rod 4, and a meter 5 is fixedly connected to the upper end face of each lifting rod 4; the circumference side surface of the adjusting mechanism 3 is sleeved with a shaft sleeve 19, the right side of the inner wall of the shaft sleeve 19 is fixedly connected with a second fixed shaft 25, the circumference side surface of the second fixed shaft 25 is provided with a spring 24, one end of the spring 24, which is far away from the shaft sleeve 19, is fixedly connected with a circular truncated cone 22, the other end of the second fixed shaft 25 is fixedly connected with a positioning piece 21, the rear side of the inner wall of the shaft sleeve 19 is fixedly connected with a first fixed shaft 23, the circumference side surface of the first fixed shaft 23 is hinged with a shifting piece 20, one end, which is far away from the first fixed shaft 23, of the shifting piece 20 extends out of the shaft sleeve 19, the surface of the shifting piece 20 is provided with a through hole 18, the spring 24 is in a compressed state by shifting the shifting piece 20, the positioning piece 21 is separated from a position adjusting hole 17 on the lifting rod 4, namely, the lifting rod 4 can slide to realize height adjustment, when the lifting rod 4 slides to the position adjusting hole 17 with the next height, the positioning piece 20 is released, so that the positioning piece 21 is in the position adjusting hole 17, and the height of the perforated pipe can be conveniently adjusted according to actual conditions, the adjustment action is completed, so that the flowmeter is convenient to use in a water depth area, and the service life of the flowmeter is prolonged; the upper surface of the circulation pipe 1 is provided with a slot 14, a filter screen plate 10 is inserted in the slot 14, the upper end surface of the filter screen plate 10 is fixedly connected with an elastic clamping piece 8, the elastic clamping piece 8 comprises a second bulge 9 and a first bulge 7, the first bulge 7 is positioned above the second bulge 9, the pipe wall of the circulation pipe 1 is provided with a groove 15, the inner side wall right below the slot 14 is provided with a positioning groove 16, the size of the positioning groove 16 is matched with that of the filter screen plate 10, the upper end surface of the circulation pipe 1 is provided with the slot 14 through a flowmeter, the slot 14 is communicated into the circulation pipe 1, the slot 14 is inserted with a detachable filter screen plate 10, the size of the filter screen plate 10 is matched with that of the slot 14, the area of the filter screen plate 10 is larger than that of the inner wall of the circulation pipe 1, the flowmeter is provided with the filter screen plate 10, an external filtering device is not required, the filter screen plate 10 can be inserted into the slot 14 at any time, and the filter screen plate 10 can be taken out and cleaned at any time, the upper end of the filter screen plate 10 is fixedly connected with the elastic clamping piece 8, the elastic clamping piece 8 is contacted with the top pipe wall of the circulating pipe 1, the second bulge 9 in the elastic clamping piece 8 is matched with the groove 15, so that the second bulge 9 is clamped in the groove, the first bulge 7 is positioned above the second bulge 9, the first bulge 7 and the second bulge 9 clamp the pipe wall of the circulating pipe 1, the fixing strength of the filter screen plate 10 is enhanced, and the measurement precision of the flowmeter is improved; the positive pressure hole taking pipe 11 and the negative pressure hole taking pipe 12 are located on the same straight line, the positive pressure hole taking pipe 11 is communicated with the inside of the circulating pipe 1, the other end of the negative pressure hole taking pipe 12 penetrates through the shell of the circulating pipe 1 and is fixedly connected with a conical body, a sliding groove is formed in the surface of the positioning hole 17, the circular truncated cone 22 is located between the spring 24 and the shifting piece 20, one end, far away from the shaft sleeve 19, of the second fixing shaft 25 penetrates through the through hole 18 and is fixedly connected with the positioning piece 21, the surface of the adjusting mechanism 3 is provided with a hole entering corresponding to the positioning hole 17, the slot 14 is located on the rear side of the negative pressure hole taking pipe 12 and is located on the same horizontal plane, the length of the filter screen plate 10 is equal to the inner diameter of the inner wall of the circulating pipe 1, the size of the filter screen plate 10 is matched with the slot 14, the filter screen plate 10 is detachable, and the second protrusions 9 are matched with the grooves 15.

When the flowmeter is used, the poking sheet 20 is poked to enable the spring 24 to be in a compressed state, the positioning piece 21 is separated from the positioning hole 17 on the lifting rod 4, the lifting rod 4 can slide, the height adjustment is realized, when the lifting rod 4 slides to the positioning hole 17 of the next height, the poking sheet 20 is released, the positioning piece 21 is enabled to be positioned in the positioning hole 17, the V-cone-shaped flowmeter is positioned above the water surface by utilizing the adjusting mechanism 3 to prevent water from entering the flowmeter, the upper end surface of the circulation pipe 1 is provided with the slot 14 through the flowmeter, the slot 14 is communicated into the circulation pipe 1, the detachable filter screen plate 10 is inserted into the slot 14, the size of the filter screen plate 10 is matched with the slot 14, the area of the filter screen plate 10 is larger than that of the inner wall of the circulation pipe 1, the flowmeter is provided with the filter screen plate 10 without an external filtering device, the filter screen plate 10 can be inserted into the slot 14 at any time, and the filter screen plate 10 can be taken out and cleaned at any time, the upper end of the filter screen plate 10 is fixedly connected with the elastic clamping piece 8, the elastic clamping piece 8 is in contact with the top pipe wall of the circulating pipe 1, the second bulge 9 in the elastic clamping piece 8 is matched with the groove 15, so that the second bulge 9 is connected in the groove 15, the first bulge 7 is positioned above the second bulge 9, the first bulge 7 and the second bulge 9 clamp the pipe wall of the circulating pipe 1, and the fixing strength of the filter screen plate 10 is enhanced.

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

Claims

1. The utility model provides a V cone type flowmeter, includes runner pipe (1), both ends fixedly connected with flange (6) around runner pipe (1), its characterized in that: last fixed surface of runner pipe (1) is connected with the malleation and is got hole pipe (11) and negative pressure and get hole pipe (12), the malleation is got the surface that hole pipe (11) and negative pressure were got hole pipe (12) and has all cup jointed adjustment mechanism (3), the malleation is got the inner wall sliding connection that hole pipe (11) and negative pressure were got hole pipe (12) and is had lifter (4), positioning hole (17) have been seted up on the right side surface of lifter (4), the up end fixedly connected with counter (5) of lifter (4).

2. The V-cone flow meter according to claim 1, wherein: the circumference side of adjustment mechanism (3) has cup jointed axle sleeve (19), the inner wall right side fixedly connected with fixed axle two (25) of axle sleeve (19), the circumference side of fixed axle two (25) is provided with spring (24), the one end fixedly connected with round platform (22) of axle sleeve (19) are kept away from in spring (24), the other end fixedly connected with setting element (21) of fixed axle two (25), axle sleeve (19) inner wall rear side fixedly connected with fixed axle one (23), the circumference side of fixed axle one (23) articulates there is plectrum (20), it is outer that axle sleeve (19) are stretched out to plectrum (20) one end of keeping away from fixed axle one (23), perforation (18) have been seted up on the surface of plectrum (20).

3. The V-cone flow meter according to claim 1, wherein: the improved circulating pipe is characterized in that a slot (14) is formed in the upper surface of the circulating pipe (1), a filter screen plate (10) is inserted in the slot (14), an elastic clamping piece (8) is fixedly connected to the upper end face of the filter screen plate (10), the elastic clamping piece (8) comprises a second protrusion (9) and a first protrusion (7), the first protrusion (7) is located above the second protrusion (9), a groove (15) is formed in the pipe wall of the circulating pipe (1), a positioning groove (16) is formed in the inner side wall under the slot (14), and the positioning groove (16) is matched with the filter screen plate (10) in size.

4. The V-cone flow meter according to claim 2, wherein: the utility model discloses a hole pipe, including just, positive pressure and fixed axle two (25), the positive pressure is got hole pipe (11) and negative pressure and is got hole pipe (12) and be in on the same straight line, the positive pressure is got hole pipe (11) and is linked together with the inside of runner pipe (1), the negative pressure is got the shell and the coniform body fixed connection that the other end of hole pipe (12) runs through runner pipe (1), the spout has been seted up on the surface of accent hole (17), round platform (22) are located between spring (24) and plectrum (20), perforation (18) are passed to the one end that axle sleeve (19) were kept away from in fixed axle two (25), and with setting element (21) fixed connection.

5. The V-cone flow meter according to claim 3, wherein: the surface of the adjusting mechanism (3) is provided with an inlet hole corresponding to the position adjusting hole (17), the slot (14) is positioned at the rear side of the negative pressure hole taking pipe (12) and is positioned on the same horizontal plane, the length of the filter screen plate (10) is equal to the inner diameter of the inner wall of the circulating pipe (1), the size of the filter screen plate (10) is matched with that of the slot (14), the filter screen plate (10) can be detached, and the second bulge (9) is matched with the groove (15).