Adjustable water flow meter

Abstract

The utility model discloses an adjustable water flow meter which comprises a measuring pipe, the outer surface of the measuring pipe is fixedly communicated with a mounting pipe, a filter pipe is inserted into the mounting pipe, the bottom end of the filter pipe is fixedly communicated with a slag discharge pipe, and the bottom end of the mounting pipe is in threaded connection with a first sealing cover. After water enters the measuring pipe and passes through the filter pipe, large impurities in the water are blocked by the filter pipe, the blocked large impurities fall into the bottom of the filter pipe to be collected under the action of gravity in the follow-up accumulation process, after a certain amount of impurities are collected in the filter pipe, a worker opens a second sealing cover, and the impurities in the filter pipe are separated from the second sealing cover. The water flow flows out along the slag discharge pipe and directly carries out impurities in the filter pipe, so that the impurities in a water pipe needing flow monitoring are quickly filtered and cleaned, the cleanliness of water detected by the water flow meter is improved, the probability of blockage of the water flow meter is reduced, and the water flow meter is simple in structure and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of flow meters, in particular to an adjustable water flow meter. Background Art

[0002] A flow meter is an instrument for measuring the flow of fluid in a pipeline or open channel. A water flow meter is an inductive instrument for measuring the volume flow of a conductive medium based on Faraday's law of electromagnetic induction. It is mainly composed of a sensor and a converter, and can measure highly corrosive liquids such as strong acids and alkalis. Therefore, water flow meters are widely used in industrial sectors such as petroleum, chemical industry, metallurgy, textile, papermaking, environmental protection, and food.

[0003] Most of the current mechanical water flow meters are installed directly between two pipes. When the flowing liquid contains a lot of large impurities, it is easy to cause blockage. It needs to be removed from the pipeline for maintenance. The process is cumbersome and time-consuming. During the maintenance, the pipeline cannot work, and the maintenance cost is high. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable water flow meter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable water flow meter, comprising a measuring tube, an outer surface of the measuring tube is fixedly connected with a mounting tube, a filter tube is inserted in the mounting tube, a bottom end of the filter tube is fixedly connected with a slag discharge pipe, a bottom end of the mounting tube is threadedly connected with a No. 1 sealing cap, a bottom end of the No. 1 sealing cap is fixedly connected with a docking tube, a bottom end of the docking tube is threadedly connected with a No. 2 sealing cap, the bottom end of the discharge pipe is plugged into the inside of the docking tube, and a flow meter body is fixedly connected with the outer surface of the measuring tube, wherein the mounting tube is provided for positioning and installing the filter tube, the filter tube and the inside of the mounting tube are interference fit, the No. 1 sealing cap is provided for sealing the mounting tube to prevent leakage of water in the pipeline, the slag discharge pipe and the docking tube are provided, impurities in the filter tube can be directly discharged under the action of water flow, the inside of the filter tube is cleaned, and the cleaning process is simplified, and the docking tube can be sealed by providing the No. 2 sealing cap.

[0006] As a further preferred embodiment of the present technical solution, the inner bottom surface of the No. 1 sealing cover is fixedly connected with a positioning seat, the inner surface of the positioning seat is slidably connected with a pressure ring, the inner surface of the pressure ring is fixedly connected with a pressure spring, the other end of the pressure spring is fixedly connected to the inner bottom surface of the positioning seat, the top end of the pressure ring is in close contact with the bottom end of the filter tube, and the positioning seat can be used to position the pressure ring, and the pressure spring can be used to apply continuous pressure to the pressure ring, so that the pressure ring can apply sufficient pressure to the filter tube, thereby improving the stability of the filter tube.

[0007] As a further preferred embodiment of the present technical solution, two positioning grooves are provided on the inner surface of the mounting tube, and two positioning rods are fixedly connected to the outer surface of the filter tube. The inner surfaces of the two positioning grooves are respectively slidably connected to the outer surfaces of the two positioning rods. By setting the positioning grooves and the positioning rods, the filter tube can be positioned to improve its stability and prevent it from rotating during operation.

[0008] As a further preferred embodiment of the present technical solution, the outer surface of the No. 1 sealing cover and the outer surface of the No. 2 sealing cover are both provided with friction patterns. By providing the friction patterns, the friction force between the No. 1 sealing cover and the No. 2 sealing cover can be increased to facilitate rotation.

[0009] As a further preferred embodiment of the present technical solution, both ends of the measuring tube are fixedly connected with docking rings, and the measuring tube can be installed with a pipeline by providing the docking rings.

[0010] As a further preferred embodiment of the present technical solution, the outer surface of the pressure ring is interference fit with the interior of the positioning seat, which can improve the stability of the positioning ring during operation and prevent it from tilting.

[0011] The utility model provides an adjustable water flow meter, which has the following beneficial effects:

[0012] The utility model discloses that after water enters the interior of the measuring tube, when passing through the filter tube, the larger impurities in the water are blocked by the filter tube, and the larger impurities after being blocked fall to the bottom of the filter tube under the action of gravity in the subsequent accumulation process for collection. When a certain amount of impurities are collected in the filter tube, the staff opens the No. 2 sealing cover, and the water flows out along the slag discharge pipe and directly takes out the impurities in the filter tube, thereby realizing rapid filtration and cleaning of impurities in the water pipe that needs to be monitored for flow, thereby improving the cleanliness of water detected by the water flow meter and reducing the probability of clogging of the water flow meter. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2It is a partial schematic diagram of the internal structure of the measuring tube of the utility model;

[0015] Figure 3 It is a partial exploded schematic diagram of the internal structure of the measuring tube of the utility model;

[0016] Figure 4 It is a schematic diagram of the internal structure of the No. 1 sealing cover and the positioning seat of the utility model.

[0017] In the figure: 1. Measuring tube; 2. Mounting tube; 3. Filter tube; 4. No. 1 sealing cover; 5. Flow meter body; 6. Positioning rod; 7. Positioning groove; 8. Slag discharge pipe; 9. Butt joint tube; 10. No. 2 sealing cover; 11. Positioning seat; 12. Pressure ring; 13. Pressure spring; 14. Butt joint ring; 15. Friction pattern. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] The utility model provides a technical solution: Figure 1-3 As shown, in the present embodiment, an adjustable water flow meter comprises a measuring tube 1, the outer surface of the measuring tube 1 is fixedly connected with a mounting tube 2, a filter tube 3 is inserted inside the mounting tube 2, a slag discharge tube 8 is fixedly connected to the bottom end of the filter tube 3, a No. 1 sealing cap 4 is threadedly connected to the bottom end of the mounting tube 2, a No. 1 sealing cap 4 is fixedly connected to the bottom end of a butt tube 9, a No. 2 sealing cap 10 is threadedly connected to the bottom end of the butt tube 9, the bottom end of the butt tube 9 is plugged with a No. 2 sealing cap 10, the bottom end of the slag discharge tube 8 is plugged into the inside of the butt tube 9, and the outer surface of the measuring tube 1 is fixedly connected with a flowmeter body 5, wherein, by providing the mounting tube 2, the filter tube 3 is positioned and installed, the filter tube 3 and the inside of the mounting tube 2 are interference fit, by providing the No. 1 sealing cap 4, the mounting tube 2 is sealed to prevent leakage of water in the pipeline, by providing the slag discharge tube 8 and the butt tube 9, impurities in the filter tube 3 can be directly discharged under the action of water flow, the inside of the filter tube 3 is cleaned, and the cleaning process is simplified, and by providing the No. 2 sealing cap 10, the butt tube 9 can be sealed.

[0020] like Figure 3 and Figure 4 As shown, a positioning seat 11 is fixedly connected to the inner bottom surface of the No. 1 sealing cover 4, a pressure ring 12 is slidably connected to the inner surface of the positioning seat 11, a pressure spring 13 is fixedly connected to the inner surface of the pressure ring 12, and the other end of the pressure spring 13 is fixedly connected to the inner bottom surface of the positioning seat 11, and the top end of the pressure ring 12 is in close contact with the bottom end of the filter tube 3. By setting the positioning seat 11, the pressure ring 12 can be positioned, and by setting the pressure spring 13, continuous pressure can be applied to the pressure ring 12, so that the pressure ring 12 can apply sufficient pressure to the filter tube 3, thereby improving the stability of the filter tube 3.

[0021] like Figure 3 As shown, two positioning grooves 7 are provided on the inner surface of the mounting tube 2, and two positioning rods 6 are fixedly connected to the outer surface of the filter tube 3. The inner surfaces of the two positioning grooves 7 are slidably connected to the outer surfaces of the two positioning rods 6 respectively. By setting the positioning grooves 7 and the positioning rods 6, the filter tube 3 can be positioned to improve its stability and prevent it from rotating during operation.

[0022] like Figure 3 and Figure 4 As shown, the outer surfaces of the No. 1 sealing cover 4 and the No. 2 sealing cover 10 are both provided with friction grooves 15. By providing the friction grooves 15, the friction force between the No. 1 sealing cover 4 and the No. 2 sealing cover 10 can be increased to facilitate rotation.

[0023] like Figure 1 , Figure 2 and Figure 3 As shown, two ends of the measuring tube 1 are fixedly connected with docking rings 14 , and the measuring tube 1 can be installed with a pipeline by providing the docking rings 14 .

[0024] like Figure 4 As shown, the outer surface of the pressing ring 12 is interference-fitted with the interior of the positioning seat 11 , which can improve the stability of the positioning ring 12 during operation and prevent it from being skewed.

[0025] The utility model provides an adjustable water flow meter, and the specific working principle is as follows:

[0026] The staff connects the measuring tube 1 to the pipeline through the docking ring 14. When the water flows into the measuring tube 1, it needs to pass through the filter tube 3 first. The filter tube 3 blocks the larger impurities in the water. The larger impurities after being blocked fall to the bottom of the filter tube 3 under the action of gravity during the subsequent accumulation process for collection. When a certain amount of impurities are collected in the filter tube 3, the staff opens the No. 2 sealing cover 10, and the water flows out along the slag discharge pipe 8 and directly takes out the impurities inside the filter tube 3, completing the filtration and cleaning of the larger impurities in the water.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable water flow meter, comprising a measuring tube (1), characterized in that: The outer surface of the measuring tube (1) is fixedly connected to a mounting tube (2), a filter tube (3) is inserted into the interior of the mounting tube (2), a slag discharge tube (8) is fixedly connected to the bottom end of the filter tube (3), a No. 1 sealing cap (4) is threadedly connected to the bottom end of the mounting tube (2), a butt joint tube (9) is fixedly connected to the bottom end of the No. 1 sealing cap (4), a No. 2 sealing cap (10) is threadedly connected to the bottom end of the butt joint tube (9), the bottom end of the butt joint tube (9) is threadedly connected to the inside of the butt joint tube (9), and a flow meter body (5) is fixedly connected to the outer surface of the measuring tube (1).

2. The adjustable water flow meter according to claim 1, characterized in that: The inner bottom surface of the No. 1 sealing cover (4) is fixedly connected to a positioning seat (11), the inner part of the positioning seat (11) is slidably connected to a pressure ring (12), the inner part of the pressure ring (12) is fixedly connected to a pressure spring (13), the other end of the pressure spring (13) is fixedly connected to the inner bottom surface of the positioning seat (11), and the top end of the pressure ring (12) is in close contact with the bottom end of the filter tube (3).

3. The adjustable water flow meter according to claim 1, characterized in that: The inner surface of the installation tube (2) is provided with two positioning grooves (7), the outer surface of the filter tube (3) is fixedly connected with two positioning rods (6), and the inner surfaces of the two positioning grooves (7) are respectively slidably connected with the outer surfaces of the two positioning rods (6).

4. The adjustable water flow meter according to claim 3, characterized in that: The outer surface of the No. 1 sealing cover (4) and the outer surface of the No. 2 sealing cover (10) are both provided with friction lines (15).

5. The adjustable water flow meter according to claim 4, characterized in that: Both ends of the measuring tube (1) are fixedly connected with docking rings (14).

6. The adjustable water flow meter according to claim 2, characterized in that: The outer surface of the pressing ring (12) is interference-fitted with the interior of the positioning seat (11).

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