CN211978006U

CN211978006U - Anti-freezing differential pressure type flowmeter

Info

Publication number: CN211978006U
Application number: CN202020373514.2U
Authority: CN
Inventors: 杨康; 徐于华; 杨建风
Original assignee: Jiangsu Zhongyi Instrument Group Co ltd
Current assignee: Jiangsu Zhongyi Instrument Group Co ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-11-20
Anticipated expiration: 2030-03-21

Abstract

The utility model relates to a differential pressure type flowmeter technical field just discloses a differential pressure type flowmeter prevents frostbite. This including first pipeline and flowmeter, one side intercommunication of first pipeline has the second pipeline, one side intercommunication of second pipeline has the third pipeline, the top fixed mounting of second pipeline has the adjusting valve, the opposite side fixed mounting of first pipeline has first sealing washer, one side fixed mounting of first sealing washer has the connection valve port, the bottom fixed mounting of first pipeline has first connecting pipe, the top fixed mounting of first connecting pipe has switch valve, the bottom fixed mounting of first connecting pipe has the second sealing washer, the outside fixed mounting of flowmeter has the graduation apparatus. This differential pressure type flowmeter prevents frostbite to it, makes it avoid causing the loss, causes the harm of instrument, makes it can avoid the influence that low temperature brought through installation anti-freeze layer, makes it can improve its work efficiency, in addition, can disassemble the equipment with it, makes its portable.

Description

Anti-freezing differential pressure type flowmeter

Technical Field

The utility model relates to a differential pressure type flowmeter technical field specifically is a differential pressure type flowmeter prevents frostbite.

Background

At present, many types of differential pressure type flow meters are provided in the flow measurement field, and have a quite wide application, wherein an orifice plate flow meter is used as a common flow measurement device, and the market application scale of the orifice plate flow meter is very large. The differential pressure flowmeter is based on the throttling principle of fluid flow, utilizes the pressure difference produced when the fluid flows through the throttling device to implement flow measurement, and is one of the most mature and commonly used methods for measuring flow in the current production, and is generally composed of the throttling device capable of converting the measured flow into a differential pressure signal, a differential pressure meter capable of converting the differential pressure into a corresponding flow value to be displayed and a display instrument, wherein the differential pressure flowmeter is divided into: pitot flowmeter, orifice flowmeter, V-cone flowmeter, etc., and differential pressure flowmeter is widely used in industry, military, household, etc.

In practical application, the differential pressure type flowmeter products still have some defects and shortcomings, such as complex overall structure, complex field installation and operation, large occupied space, high production and manufacturing cost and the like. In addition, for the measurement occasions such as small pressure, low temperature, simple working conditions and the like, if the conventional split-type flow meter and other existing flow meters are used, the method is not very suitable. In a common use process, because the anti-freezing measure is not provided, the anti-freezing measure is easy to cause loss and damage to instruments, so that the anti-freezing measure needs to be treated at present, the anti-freezing measure can adapt to a low-temperature environment, and the working efficiency and state are better improved.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a differential pressure type flowmeter prevents frostbite possesses and prevents frostbite and dismantles the advantage easily, has solved equipment and has not prevented frostbite and be difficult to dismantle difficult abluent problem.

The utility model provides a technical scheme that its technical problem adopted is: an anti-freezing differential pressure type flowmeter comprises a first pipeline and a flowmeter, wherein one side of the first pipeline is communicated with a second pipeline, one side of the second pipeline is communicated with a third pipeline, the top of the second pipeline is fixedly provided with a regulating valve, the other side of the first pipeline is fixedly provided with a first sealing ring, one side of the first sealing ring is fixedly provided with a connecting valve port, the bottom of the first pipeline is fixedly provided with a first communicating pipe, the top of the first communicating pipe is fixedly provided with a switch valve, the bottom of the first communicating pipe is fixedly provided with a second sealing ring, the exterior of the flowmeter is fixedly provided with a scale gauge, the bottom of the flowmeter is fixedly provided with an intermediate pipeline, one side of the intermediate pipeline is fixedly provided with a second communicating pipe, the top of the second communicating pipe is fixedly provided with a third sealing ring, and the surface of the connecting valve port is provided with a threaded through hole, the connecting valve comprises a connecting valve port and a connecting thread, wherein the connecting thread is fixedly arranged in the connecting valve port, and an anti-corrosion layer is fixedly arranged in the connecting valve port.

Furthermore, anti-freezing layers are fixedly mounted on the outer portion of the first pipeline, the outer portion of the second pipeline and the outer portion of the third pipeline.

Furthermore, the number of the threaded through holes is four, and the four threaded through holes are uniformly divided into two groups which are symmetrically arranged on two sides of the connecting valve port.

Furthermore, the second sealing ring is matched with the specification and the size of the first communicating pipe, the third sealing ring is matched with the specification and the size of the second communicating pipe, and the first sealing ring is matched with the specification and the size of the first pipeline.

Furthermore, the first communicating pipe and the second communicating pipe are fastened and connected with a fastening nut through a fastening bolt.

Furthermore, an anti-corrosion layer is fixedly arranged inside the first pipeline, inside the second pipeline, inside the third pipeline, inside the first communicating pipe and inside the second communicating pipe.

The utility model has the advantages that:

1. this frostproofing differential pressure flowmeter, through taking antifreeze measures to it, make it avoid causing the loss, cause the harm of instrument, equal fixed mounting has antifreeze layer in its pipeline outside, make it can avoid the influence that low temperature brought through installing antifreeze layer, also can normally work in low temperature environment, through making it can improve its work efficiency like this, so, we carry out antifreeze measures's processing through the improvement at present to it, make it can adapt to low temperature environment, better promotion work's efficiency and state.

2. This differential pressure type flowmeter prevents frostbite, differential pressure type flowmeter product has remedied some defects and weak point, for example make their overall structure fairly simple, the field installation operation is more swift, occupation space is little, manufacturing cost is also lower, can disassemble the equipment earlier, make its portable and washing, can be with first pipeline and first sealing washer fixed mounting when the installation, with first pipeline and second pipeline fixed mounting, again with its and third pipeline fixed mounting close switch valve, rethread fastening bolt and fastening nut, fastening connection first communicating pipe and second communicating pipe, rethread bolt and nut are connected second communicating pipe and intermediate duct.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic front view of the differential pressure type flowmeter of the present invention;

fig. 2 is a schematic side view of the differential pressure flowmeter of the present invention.

Description of reference numerals: 1. a first conduit; 2. a second conduit; 3. adjusting a valve; 4. a third pipeline; 5. a first seal ring; 6. connecting the valve port; 7. a first communication pipe; 8. a second seal ring; 9. a third seal ring; 10. a second communicating pipe; 11. an intermediate pipeline; 12. a dial gauge; 13. a flow meter; 14. connecting threads; 15. an anti-corrosion layer; 16. a threaded through hole; 17. and (5) opening and closing the valve.

Detailed Description

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

Referring to fig. 1-2, an anti-freezing differential pressure flowmeter comprises a first pipeline 1 and a flowmeter 13, wherein one side of the first pipeline 1 is communicated with a second pipeline 2, one side of the second pipeline 2 is communicated with a third pipeline 4, the top of the second pipeline 2 is fixedly provided with an adjusting valve 3 for adjusting the size of a valve port and controlling the flow rate thereof, so that the manual operation can better control and operate the flowmeter, the other side of the first pipeline 1 is fixedly provided with a first sealing ring 5 for preventing the connected valve port from leaking during use, one side of the first sealing ring 5 is fixedly provided with a connecting valve port 6 for connecting pipelines and connecting other pipelines, so that the flowmeter has good expansion effect, the bottom of the first pipeline 1 is fixedly provided with a first communicating pipe 7, the top of the first communicating pipe 7 is fixedly provided with a switch valve 17, the switch valve 17 can control whether a device needs to detect, when flow measurement is needed, the switch valve 17 is opened, the bottom of the first communicating pipe 7 is fixedly provided with the second sealing ring 8, the second sealing ring 8 is matched with the specification and the size of the first communicating pipe 7, the third sealing ring 9 is matched with the specification and the size of the second communicating pipe 10, the first sealing ring 5 is matched with the specification and the size of the first pipeline 1, the exterior of the flowmeter 13 is fixedly provided with the scale 12, which is convenient for a user to read values more easily, the bottom of the flowmeter 13 is fixedly provided with the middle pipeline 11, one side of the middle pipeline 11 is fixedly provided with the second communicating pipe 10, the first communicating pipe 7 and the second communicating pipe 10 are fixedly connected with the fastening nut through the fastening bolt, the top of the second communicating pipe 10 is fixedly provided with the third sealing ring 9, the surface of the connecting valve port 6 is provided with the thread through hole 16, and the thread through hole 16, the connection is more firm, threaded through hole 16 has four, and four threaded through holes 16 equally divide into two sets of symmetries and install in the both sides of connecting valve port 6, the inside fixed mounting of connecting valve port 6 has connecting thread 14, the inside fixed mounting of connecting valve port 6 has anti-corrosion coating 15, the outside of first pipeline 1, the outside of second pipeline 2, the outside of third pipeline 4 all fixed mounting has anti-icing coating, the inside of first pipeline 1, the inside of second pipeline 2, the inside of third pipeline 4, the inside of first communicating pipe 7 and the inside all fixed mounting of second communicating pipe 10 have anti-corrosion coating 15, prevent in long-time use, the pipeline produces the corruption, produce the influence to its accuracy that detects.

When the portable anti-freezing instrument is used, the portable anti-freezing instrument can be disassembled and assembled firstly, the portable anti-freezing instrument is convenient to carry, the first pipeline 1 and the first sealing ring 5 can be fixedly installed when the portable anti-freezing instrument is installed, the first pipeline 1 and the second pipeline 2 are fixedly installed, the third pipeline 4 and the second pipeline are fixedly installed to close the switch valve 17, the first communicating pipe 7 and the second communicating pipe 10 are fixedly connected through the fastening bolt and the fastening nut, the second communicating pipe 10 and the middle pipeline 11 are connected through the bolt and the nut, the instrument is assembled at the moment, in addition, the instrument is also provided with an anti-freezing device, an anti-freezing layer is fixedly installed on the outer portion of the pipeline, the influence caused by low temperature can be avoided by installing the anti-freezing layer, and the work efficiency of the.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An anti-freezing differential pressure flowmeter, comprising a first pipeline (1) and a flowmeter (13), characterized in that: one side of the first pipeline (1) is communicated with a second pipeline (2), one side of the second pipeline (2) is communicated with a third pipeline (4), the top of the second pipeline (2) is fixedly provided with a regulating valve (3), the other side of the first pipeline (1) is fixedly provided with a first sealing ring (5), one side of the first sealing ring (5) is fixedly provided with a connecting valve port (6), the bottom of the first pipeline (1) is fixedly provided with a first communicating pipe (7), the top of the first communicating pipe (7) is fixedly provided with a switch valve (17), the bottom of the first communicating pipe (7) is fixedly provided with a second sealing ring (8), the exterior of the flowmeter (13) is fixedly provided with a dial gauge (12), the bottom of the flowmeter (13) is fixedly provided with a middle pipeline (11), one side of the middle pipeline (11) is fixedly provided with a second communicating pipe (10), the top of the second communicating pipe (10) is fixedly provided with a third sealing ring (9), the surface of the connecting valve port (6) is provided with a threaded through hole (16), the inside of the connecting valve port (6) is fixedly provided with a connecting thread (14), and the inside of the connecting valve port (6) is fixedly provided with an anti-corrosion layer (15).

2. The antifreeze differential pressure flowmeter of claim 1, wherein: and anti-freezing layers are fixedly arranged on the outer parts of the first pipeline (1), the second pipeline (2) and the third pipeline (4).

3. The antifreeze differential pressure flowmeter of claim 1, wherein: the number of the threaded through holes (16) is four, and the four threaded through holes (16) are divided into two groups which are symmetrically arranged on two sides of the connecting valve port (6).

4. The antifreeze differential pressure flowmeter of claim 1, wherein: the second sealing ring (8) is matched with the specification and size of the first communicating pipe (7), the third sealing ring (9) is matched with the specification and size of the second communicating pipe (10), and the first sealing ring (5) is matched with the specification and size of the first pipeline (1).

5. The antifreeze differential pressure flowmeter of claim 1, wherein: the first communicating pipe (7) and the second communicating pipe (10) are connected with a fastening nut in a fastening mode through a fastening bolt.

6. The antifreeze differential pressure flowmeter of claim 1, wherein: and an anti-corrosion layer (15) is fixedly arranged in the first pipeline (1), the second pipeline (2), the third pipeline (4), the first communicating pipe (7) and the second communicating pipe (10).