CN217818867U

CN217818867U - Flow dividing device based on function orifice plate flowmeter

Info

Publication number: CN217818867U
Application number: CN202222022176.XU
Authority: CN
Inventors: 郑金山; 王世魁
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-15
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a diverging device based on function orifice plate flowmeter belongs to pipeline diverging device field, the pressure atomizing device comprises a water inlet pipe, the outside of inlet tube has a plurality of external screw thread pipes along circumference array distribution, the one end screw thread that the inlet tube was kept away from to external screw thread pipe installs the swivel nut, the inner wall of swivel nut rotates and installs sealed bearing, the one end of swivel nut rotates through sealed bearing and installs the bleeder, the one end that the swivel nut is inside is extended to the one end of bleeder is provided with flow monitoring mechanism, the position that the inlet tube inner wall is close to external screw thread pipe is provided with filter mechanism, flow monitoring mechanism includes the function orifice plate of fixed mounting at the branch inside wall, one side of the inside of branch pipe just is located function orifice plate both sides respectively fixed mounting have the upper reaches to measure a section of thick bamboo and a low reaches to measure a section of thick bamboo, it can realize practicing thrift the operation step of reposition of redundant personnel pipeline in narrow region rotation, required space when reducing reposition of redundant personnel piping erection, can reduce the degree of difficulty of reposition of redundant personnel pipeline when narrow region is installed.

Description

Flow dividing device based on function orifice plate flowmeter

Technical Field

The utility model relates to a pipeline diverging device field, more specifically say, relate to a diverging device based on function orifice plate flowmeter.

Background

The function orifice plate flowmeter is based on a Bernoulli equation and a flow continuity equation, a throttling element is fixedly installed in a measuring tube, after liquid to be measured is introduced into the measuring tube, part of the fluid flows along the throttling element, so that the fluid is locally contracted, the flow speed is accelerated, pressure difference can be generated between the upstream and the downstream of the throttling element, and then the differential pressure transmitter outputs the differential pressure to a flow integrating instrument to calculate the flow of the liquid to be measured;

when a pipeline conveys fluid, the fluid can be shunted by assembling the shunting device and is connected into different shunting pipelines to be sent to a plurality of destinations, flow signals of the different shunting pipelines need to be monitored simultaneously, a throttling element is often fixedly installed in each shunting pipeline, the fluid enters the throttling element and is locally contracted, so that pressure difference is generated between the upstream and the downstream of the throttling element, and the pressure difference is output to a flow integrating instrument through a differential pressure transmitter so as to calculate flow information in each shunting pipeline;

through patent retrieval, chinese patent with publication number CN216112331U discloses a shunt stop valve for tap water pipeline, which comprises a valve body, a water inlet, a first shunt connecting port, a connecting seat, shunt tubes, a stop valve, a connecting part, a second shunt connecting port, a second external thread, a second internal thread, a sealing end cover, a first internal thread, a first sealing gasket, a third sealing gasket, a first external thread and a second sealing gasket, wherein the connecting seat is installed on the first shunt connecting port at two ends of the valve body through a forward rotation connecting seat and the shunt tubes, so that a plurality of shunt tubes are convenient to install at two ends of the valve body, and a plurality of shunt tubes are detachably installed through a reverse rotation connecting seat and the shunt tubes, so that multi-path shunt treatment can be carried out, the using number of the shunt tubes can be adjusted according to requirements, the shunt efficiency is improved, and then the sealing end cover is installed on the outer side of the second shunt connecting port through the sealing end cover, and the disassembly and assembly are convenient and rapid;

but do not solve the in-process of present reposition of redundant personnel stop valve for water pipeline at narrow regional installation reposition of redundant personnel pipeline, through corotation connecting seat and reposition of redundant personnel pipeline, install the first reposition of redundant personnel connector at valve body both ends with connecting seat screw thread, make things convenient for the both ends of valve body to install a plurality of reposition of redundant personnel pipelines, and narrow regional space is limited, shunt tubes needs great space when rotatory a week, make the shunt tubes be not convenient for narrow regional rotation in the way, cause the problem that the reposition of redundant personnel pipeline is difficult to the installation in narrow region, we propose a diverging device based on function orifice plate flowmeter for this reason.

Disclosure of Invention

To the problem that exists among the prior art, the utility model aims to provide a diverging device based on function orifice flowmeter, it can realize practicing thrift the operation step of reposition of redundant personnel pipeline at narrow regional rotation, required space when reducing the installation of reposition of redundant personnel pipeline can reduce the degree of difficulty of reposition of redundant personnel pipeline when narrow regional installation.

In order to solve the problem, the utility model adopts the following technical proposal.

The utility model provides a diverging device based on function orifice plate flowmeter, includes the inlet tube, the outside of inlet tube has a plurality of external screw thread pipes along circumference array distribution, the swivel nut is installed to the one end screw thread that the inlet tube was kept away from to external screw thread pipe, the inner wall of swivel nut rotates installs sealing bearing, the one end of swivel nut rotates through sealing bearing and installs the bleeder, the one end of bleeder is extended the inside one end of swivel nut and is provided with flow monitoring mechanism, the position that the inner wall of inlet tube is close to external screw thread pipe is provided with filtering mechanism.

Furthermore, the flow monitoring mechanism comprises a function orifice plate fixedly installed on the inner wall of the branch pipe, and an upstream measuring cylinder and a downstream measuring cylinder are respectively and fixedly installed on one side inside the branch pipe and on two sides of the function orifice plate.

Furthermore, the outer side of the external thread pipe is provided with a water valve, and one end of the branched pipe, which is positioned inside the threaded sleeve, is fixedly provided with a sealing rubber ring.

Furthermore, filtering mechanism includes the toper net of fixed mounting at the inlet tube inner wall, the outside fixed mounting of toper net has the filter screen, keep away from one side fixed connection in the inner wall of inlet tube of toper net.

Furthermore, the one end screw thread that the inlet tube is close to the toper net installs the stopper, the one end fixed mounting that the inlet tube was kept away from to the stopper has the grab handle.

Furthermore, the inner diameter of the external thread pipe is smaller than that of the sealing bearing, and the length of the thread insert is larger than the sum of the length of the sealing bearing and the length of the sealing rubber ring.

Compared with the prior art, the utility model has the advantages of:

(1) This scheme overlaps the one end at the external screw thread pipe with the swivel nut, when narrow regional installation diverging device, through corotation swivel nut, the swivel nut is advanced along the screw thread of external screw thread pipe, it is close to the inlet tube to rotate and stimulate the bleeder around sealed bearing, the one end of external screw thread pipe is hugged closely until the one end of bleeder, can assemble the bleeder one by one on the inlet tube, on the contrary, through the reversal swivel nut, the swivel nut drives the bleeder and keeps away from the inlet tube, break away from external screw thread pipe until the swivel nut, practice thrift the operation step of shunt line at narrow regional rotation, required space when reducing the installation of shunt line, can reduce the degree of difficulty of shunt line when narrow regional installation.

(2) This scheme filters the fluid that awaits measuring through toper net and filter screen, when the inlet tube lets in the fluid that awaits measuring, the lower extreme along the toper net gets into, separation impurity, until the upper wall that reachs the filter screen, make clear fluid get into the external screw thread pipe, under the promotion of rivers, impurity rolls along the toper net of tubaeform structure, until the one end that gets into the inlet tube, it blocks by the filter screen, conveniently reduce the toper net and be located the accumulational impurity of external screw thread pipe water inlet department, make the water inlet of the external screw thread pipe that staggers of impurity, reduce the jam effect that the impurity gathering caused the external screw thread pipe, and simultaneously, structural characteristic effect through the toper net tubaeform, area when can increase impurity forward and enter, area when reducing the impurity reverse entry, imitate the structure that backward flow shrimp cage can trap stranded lobster, reduce the impurity that leaves the inlet tube along the toper net, come to concentrate the one end at the inlet tube of impurity gathering, reduce the condition emergence of impurity along the liquid that awaits measuring.

Drawings

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

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic sectional structural view of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

1. a water inlet pipe; 2. an externally threaded tube; 3. a threaded sleeve; 4. sealing the bearing; 5. a branch pipe; 6. a function orifice plate; 7. an upstream measurement cylinder; 8. a downstream measurement cylinder; 9. a water valve; 10. sealing the rubber ring; 11. a conical mesh; 12. a filter screen; 13. a plug; 14. a handle; 15. and (7) sealing the cover.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Example (b):

referring to fig. 1-4, a flow divider based on a function orifice flowmeter comprises a water inlet pipe 1, a plurality of external thread pipes 2 are distributed on the outer side of the water inlet pipe 1 along a circumferential array, a thread sleeve 3 is installed on one end, far away from the water inlet pipe 1, of the external thread pipes 2 in a threaded manner, a seal bearing 4 is installed on the inner wall of the thread sleeve 3 in a rotating manner, the inner diameter of the external thread pipes 2 is smaller than that of the seal bearing 4, a branch pipe 5 is installed on one end of the thread sleeve 3 in a rotating manner through the seal bearing 4, a flow monitoring mechanism is arranged at one end, far away from the interior of the thread sleeve 3, of one end of the branch pipe 5, a filtering mechanism is arranged on the inner wall of the water inlet pipe 1, close to the external thread pipe 2, the thread sleeve 3 is sleeved on one end of the external thread pipes 2, when diverging device is installed in narrow region, through corotation swivel nut 3, swivel nut 3 advances along the screw thread of external screw pipe 2, around sealed bearing 4 rotation and pulling bleeder 5 be close to inlet tube 1, the one end of external screw pipe 2 is hugged closely until the one end of bleeder 5, can assemble bleeder 5 on inlet tube 1 one by one, otherwise, through reversal swivel nut 3, swivel nut 3 drives bleeder 5 and keeps away from inlet tube 1, break away from external screw pipe 2 until swivel nut 3, conveniently dismantle diverging device, practice thrift the rotatory operating procedure of shunt line in narrow region, required space when reducing the installation of shunt line, can reduce the degree of difficulty of shunt line when installing in narrow region.

Referring to fig. 1, a sealing cover 15 is further installed on one end of the external threaded pipe 2 away from the water inlet pipe 1 in a threaded manner, when the number of the branch pipes 5 is reduced, the sealing cover 15 is sleeved on the empty external threaded pipe 2 and rotates forward until the empty external threaded pipe 2 is sealed, leakage of the empty external threaded pipe 2 is prevented, and conversely, the sealing cover 15 on the external threaded pipe 2 is conveniently taken down by reversely rotating the sealing cover 15, so that the branch pipes 5 can be replaced.

Referring to fig. 3, the filtering mechanism includes a conical net 11 fixedly installed on the inner wall of the water inlet pipe 1, the conical net 11 is in a trumpet shape, the opening faces the water inlet end of the water inlet pipe 1, a filter net 12 is fixedly installed on the outer side of the conical net 11, the filter net 12 is in an annular shape, one side of the filter net 12, which is far away from the conical net 11, is fixedly connected to the inner wall of the water inlet pipe 1, an outer threaded pipe 2 is located between one end of the conical net 11 and the outer side of the filter net 12, to-be-measured fluid is filtered through the conical net 11 and the filter net 12, when the water inlet pipe 1 is filled with to-be-measured fluid, the impurities enter along the lower end of the conical net 11, are separated until reaching the upper wall of the filter net 12, so that clean fluid enters the outer threaded pipe 2, under the push of water flow, the impurities roll along the conical net 11 in the trumpet-shaped structure until entering one end of the water inlet pipe 1, the impurities are blocked by the filter net 12, when the conical net 11 is located at the water inlet of the outer threaded pipe 2, the impurities accumulated at the water inlet port, the water inlet pipe, the impurities can be-shaped net, the impurities can be reduced when the impurities are trapped along the water inlet pipe, the area of the shrimp cage, and the shrimp cage can be-shaped impurities can be reduced, and the area of the shrimp cage can be reduced.

Referring to fig. 1 and 2, a plug 13 is installed to one end of the water inlet pipe 1 close to the conical net 11 through threads, a grab handle 14 is fixedly installed to one end of the plug 13 far away from the water inlet pipe 1, the grab handle 14 and the plug 13 rotate forward are held, when impurities in the water inlet pipe 1 are cleaned, input of liquid to be measured in the water inlet pipe 1 is stopped, the plug 13 is far away from the water inlet pipe 1 along the threads, the plug 13 breaks away from one end of the water inlet pipe 1 until the plug 13 is separated, gloves are worn by hands to take out the impurities in the water inlet pipe 1, after cleaning is finished, the plug 13 is inserted back into the water inlet pipe 1 and rotates reversely, the plug 13 can be screwed, and one end of the water inlet pipe 1 is conveniently plugged.

Referring to fig. 1 and 4, the flow monitoring mechanism includes a function orifice plate 6 fixedly installed on the inner wall of the branch pipe 5, one side of the inside of the branch pipe 5 is located on two sides of the function orifice plate 6 and is respectively and fixedly installed with an upstream measuring tube 7 and a downstream measuring tube 8, one end of the upstream measuring tube 7 and one end of the downstream measuring tube 8 extend out of the inside of the branch pipe 5, and are respectively and fixedly installed with a differential pressure transmitter and a flow integrating instrument electrically connected with the differential pressure transmitter, the flow is limited by the function orifice plate 6, when the flow of the shunt pipeline is monitored, the upstream and downstream of the function orifice plate 6 generate pressure difference, and the pressure difference is output to the flow integrating instrument through the differential pressure transmitter, so as to calculate the flow information inside the shunt pipeline.

Referring to fig. 3 and 4, a water valve 9 is assembled outside the external threaded pipe 2, a sealing rubber ring 10 is fixedly installed at one end of the lateral pipe 5, which is located inside the threaded sleeve 3, the sealing rubber ring 10 is made of rubber, so that the sealing rubber ring 10 is convenient to deform when being extruded, the length of the threaded sleeve 3 is larger than the sum of the length of the sealing bearing 4 and the length of the sealing rubber ring 10, the fluid in the external threaded pipe 2 is convenient to block by closing the water valve 9, so that a worker can conveniently assemble and disassemble the lateral pipe 5, and when the lateral pipe 5 is assembled, the gap between the external threaded pipe 2 and the lateral pipe 5 is blocked by the sealing rubber ring 10, so that the sealing performance of the shunt device is convenient to improve, and the fluid leaking from the joint of the external threaded pipe 2 and the lateral pipe 5 is reduced.

The working principle is as follows: the threaded sleeve 3 is sleeved at one end of the external threaded pipe 2, when the shunt device is installed in a narrow area, the threaded sleeve 3 advances along the threads of the external threaded pipe 2 through the forward rotation threaded sleeve 3, the branched pipe 5 is rotated around the sealing bearing 4 and pulled to be close to the water inlet pipe 1 until one end of the branched pipe 5 is tightly attached to one end of the external threaded pipe 2, the branched pipes 5 can be assembled on the water inlet pipe 1 one by one, and conversely, the threaded sleeve 3 drives the branched pipe 5 to be away from the water inlet pipe 1 through the reverse rotation threaded sleeve 3 until the threaded sleeve 3 is separated from the external threaded pipe 2, so that the operation steps of rotating the shunt pipeline in the narrow area are saved, the required space for installing the shunt pipeline is reduced, and the difficulty of installing the shunt pipeline in the narrow area can be reduced.

Fluid to be measured is filtered through the conical net 11 and the filter screen 12, when the fluid to be measured is introduced into the water inlet pipe 1, the fluid enters along the lower end of the conical net 11, impurities are separated until the upper wall of the filter screen 12 is reached, clean fluid enters the external threaded pipe 2, under the promotion of water flow, the impurities roll along the conical net 11 of the horn-shaped structure until the one end of the water inlet pipe 1 is reached, the impurities are blocked by the filter screen 12, the impurities accumulated at the water inlet of the external threaded pipe 2 in the conical net 11 are conveniently reduced, the water inlet of the external threaded pipe 2 is staggered, the blocking effect caused by the impurities accumulated on the external threaded pipe 2 is reduced, meanwhile, the area when the impurities enter in the forward direction can be increased through the horn-shaped structural characteristic effect of the conical net 11, the area when the impurities enter in the reverse direction is reduced, the structure that lobsters can be trapped by simulating a shrimp catching cage, the impurities leaving the water inlet pipe 1 along the conical net 11 are reduced, the impurities are accumulated at one end of the water inlet pipe 1, and the impurities are reduced along the situation of backflow liquid to be measured.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a diverging device based on function orifice flowmeter, includes inlet tube (1), its characterized in that: the outside of inlet tube (1) has a plurality of external screw thread pipes (2) along circumference array distribution, external screw thread pipe (2) are kept away from the one end screw thread of inlet tube (1) and are installed swivel nut (3), the inner wall of swivel nut (3) is rotated and is installed sealing bearing (4), the one end of swivel nut (3) is rotated through sealing bearing (4) and is installed bleeder (5), the one end of bleeder (5) is extended the one end of swivel nut (3) inside and is provided with flow monitoring mechanism, the position that inlet tube (1) inner wall is close to external screw thread pipe (2) is provided with filtering mechanism.

2. The flow splitting device of claim 1 for a functional orifice-based flow meter, wherein: the flow monitoring mechanism comprises a function orifice plate (6) fixedly installed on the inner wall of a branch pipe (5), and an upstream measuring cylinder (7) and a downstream measuring cylinder (8) are respectively and fixedly installed on one side inside the branch pipe (5) and on two sides of the function orifice plate (6).

3. The flow splitting device based on the functional orifice flowmeter of claim 1, wherein: the outside of external screw thread pipe (2) is equipped with water valve (9), lateral pipe (5) are located the inside one end fixed mounting of swivel nut (3) and have sealed rubber ring (10).

4. The flow splitting device of claim 1 for a functional orifice-based flow meter, wherein: the filtering mechanism comprises a conical net (11) fixedly installed on the inner wall of the water inlet pipe (1), a filter screen (12) is fixedly installed on the outer side of the conical net (11) and is far away from one side of the conical net (11) which is fixedly connected to the inner wall of the water inlet pipe (1).

5. The flow splitting device based on the functional orifice flowmeter of claim 4, wherein: one end screw thread that inlet tube (1) is close to toper net (11) is installed stopper (13), the one end fixed mounting that inlet tube (1) was kept away from in stopper (13) has grab handle (14).

6. The flow splitting device based on a functional orifice flow meter according to claim 3, wherein: the inner diameter of the external thread pipe (2) is smaller than that of the sealing bearing (4), and the length of the threaded sleeve (3) is larger than the sum of the length of the sealing bearing (4) and the length of the sealing rubber ring (10).