Filtering mechanism of flowmeter measuring device

Abstract

The utility model discloses a filtering mechanism of a flow meter measuring device, which belongs to the technical field of flow meter measurement and comprises a measuring pipeline for conveying water to a flow meter, a filter screen is arranged on the measuring pipeline, and the water conveyed to the flow meter is filtered by the filter screen; a cleaning assembly is arranged on the measuring pipeline, the cleaning assembly is located at the opposite end of the filter screen, and the cleaning assembly can slide relative to the measuring pipeline and can rotate relative to the measuring pipeline so as to clean impurities on the filter screen when the cleaning assembly makes contact with the filter screen. Through the cooperation of the whole structure, when filter holes of the filter screen are blocked, the cleaning assembly slides and rotates at the same time, so that after the cleaning assembly makes contact with the filter screen, the cleaning quality is improved, impurities on the filter screen are removed and fall off, the impurities are deposited, when the deposited impurities are many, the impurities are manually cleaned at the moment, and the cleaning efficiency is greatly improved. Therefore, the manual cleaning period is prolonged, and the manual cleaning frequency is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of flow meter measurement, and in particular relates to a filtering mechanism of a flow meter measurement device. Background Art

[0002] The flow meter measurement devices mostly use the following two types:

[0003] Volume flow meter calibration device: It is a special device suitable for volume flow meters, which realizes automatic control and digital display. It verifies the accuracy of the flow meter by testing the standard volume flow rate, and has the advantages of high precision and high degree of automation.

[0004] Gravity liquid dipstick: This is a flow meter calibration device suitable for small flow and low viscosity liquids. Its principle is to calculate the actual flow rate by using the liquid level height.

[0005] First, the flow meter may generate eddies when measuring the medium. These eddies may cause impurities and particles in the pipeline to settle in the gap of the turbine, thereby changing the accuracy of the measurement.

[0006] Secondly, some fluid media have high viscosity or stickiness, which is easy to adhere to the pipe wall and affect the flow of the fluid. If there are particles or small impurities in the pipeline, it will affect the flow of the fluid and thus affect the measurement results of the flow meter. Therefore, installing a filter can effectively remove these impurities and particles to ensure the stability and accuracy of the fluid flow.

[0007] At present, the filtering structure of the flow meter measuring device mostly adopts a filter. The staff needs to disassemble the filter regularly for cleaning and remove the deposited impurities to avoid filter clogging. When the deposited impurities are small, the filter holes may be clogged, which requires manual cleaning of the filter holes. The cleaning cycle is relatively short, which brings inconvenience to the user.

[0008] Therefore, it is urgent to design a filtering mechanism for a flow meter measuring device to solve the above-mentioned problems. Utility Model Content

[0009] The utility model aims to provide a filtering mechanism of a flow meter measuring device, which has the advantages of lengthening the cleaning cycle and reducing the frequency of manual cleaning, thereby solving the problems mentioned in the background technology.

[0010] In order to achieve the above-mentioned purpose, the specific technical scheme of the filtering mechanism of a flow meter measuring device of the utility model is as follows:

[0011] A filtering mechanism of a flow meter measuring device comprises a measuring pipe for conveying water to the flow meter, a filter screen is arranged on the measuring pipe, so that the water conveyed to the flow meter is filtered through the filter screen;

[0012] A cleaning component is provided on the measuring pipe, and the cleaning component is located at the opposite end of the filter screen. The cleaning component can slide relative to the measuring pipe and can rotate relative to the measuring pipe to clean impurities on the filter screen when the cleaning component contacts the filter screen.

[0013] Furthermore, a cleaning tube is fixedly connected to the measuring pipeline, an electric push rod is connected inside the cleaning tube, and an output end of the electric push rod is connected to the cleaning component, so that the cleaning component slides along the cleaning tube.

[0014] Furthermore, the output end of the electric push rod is rotatably connected to a spiral rod, and one end of the spiral rod away from the output end of the electric push rod is fixedly connected to a cleaning block. A support plate is fixedly connected to the cleaning tube, and a clamping block is fixedly connected to the support plate. The clamping block is slidably connected to the spiral groove on the spiral rod, so that the spiral rod rotates while sliding.

[0015] Furthermore, a rotating groove is provided on the output end of the electric push rod, a rotating block is rotatably connected to the rotating groove, a connecting rod is fixedly connected to the rotating block, and one end of the connecting rod away from the rotating block is fixedly connected to the spiral rod.

[0016] Furthermore, the diameter of the rotating block is greater than the diameter of the connecting rod.

[0017] Furthermore, a filter tube is fixedly connected to the measuring pipeline, the filter tube is communicated with the measuring pipeline, and the filter net is located in the filter tube.

[0018] Furthermore, the water in the measuring pipeline flows in a first direction, and the filter tube is arranged to be inclined in the first direction.

[0019] Furthermore, the filter screen is cylindrical, and the cylindrical filter screen is tilted synchronously.

[0020] Furthermore, a matching block is fixedly connected in the measuring pipeline, the matching block abuts against one end of the inclined cylindrical filter screen, and the end of the inclined cylindrical filter screen away from the matching block is flush with the measuring pipeline, so that when the water in the measuring pipeline flows in the first direction, impurities fall into the filter tube.

[0021] Furthermore, a baffle is fixedly connected at the connection between the measuring pipeline and the cleaning pipe by bolts. When the cleaning block slides toward the filter screen, the baffle rotates with the connection with the bolts as the center. When the water in the measuring pipeline flows in the first direction, the baffle blocks the cleaning pipe.

[0022] The utility model has the following advantages: through the coordination of the overall structure, when the filter hole of the filter screen is blocked, the cleaning component slides and rotates at the same time, so that after contacting the filter screen, the cleaning quality is improved, and the impurities on the filter screen are removed and dropped, so that the impurities are deposited. When the deposited impurities are large, they are cleaned manually, thereby lengthening the manual cleaning cycle and reducing the frequency of manual cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic cross-sectional diagram of the overall structure of the filter mechanism of the utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the filter mechanism of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the support plate and the clamping block of the utility model;

[0026] Figure 4 This is a schematic diagram of the structure of the connecting rod and the rotating block of the utility model;

[0027] Figure 5 This is a schematic diagram of the connection position structure of the baffle of the utility model;

[0028] Explanation of the markings in the figure: 1. Measuring pipeline; 11. Matching block; 2. Filter tube; 21. Filter flange cover; 22. Filter screen; 3. Cleaning tube; 31. Cleaning flange cover; 32. Electric push rod; 33. Screw rod; 34. Support plate; 35. Block; 36. Cleaning assembly; 37. Connecting rod; 38. Rotating block; 4. Baffle. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0030] Those skilled in the art will appreciate that, although some embodiments herein include certain features included in other embodiments but not other features, the combination of features of different embodiments is meant to be within the scope of the present invention and form different embodiments. For example, in the claims, any one of the claimed embodiments may be used in any combination.

[0031] Please refer to the attached Figure 1 To Attachment Figure 5 The utility model describes a filtering mechanism of a flow meter measuring device.

[0032] At present, the filtering structure of the flow meter measuring device mostly adopts a filter. The staff needs to disassemble the filter regularly for cleaning and remove the deposited impurities to avoid filter clogging. When the deposited impurities are small, the filter hole may be clogged, so that the filter hole needs to be cleaned manually. The cleaning cycle is relatively short, which brings inconvenience to the user. Therefore, the device includes a measuring pipe for conveying water to the flow meter, and a filter screen 22 is provided on the measuring pipe, so that the water conveyed to the flow meter is filtered through the filter screen 22; a cleaning component 36 is provided on the measuring pipe, and the cleaning component 36 is located at the opposite end of the filter screen 22. The cleaning component 36 can slide relative to the measuring pipe and can rotate relative to the measuring pipe, so that when the cleaning component 36 contacts the filter screen 22, the impurities on the filter screen 22 are cleaned; by setting the cleaning component 36 to slide relative to the measuring pipe, the filter screen 22 is reached. When the filter hole of the filter screen 22 is clogged, the cleaning component 36 slides, so that the cleaning component 36 contacts the filter screen 22, and during the sliding process, the filter screen 22 can be cleaned without leaving any dead corners; by arranging the cleaning component 36 to rotate relative to the measuring pipe, after the cleaning component 36 contacts the measuring pipe, the cleaning effect of the filter screen 22 is enhanced by the rotation of the cleaning component 36; by arranging the cleaning component 36 to slide relative to the measuring pipe, and to rotate relative to the measuring pipe, when the filter hole of the filter screen 22 is clogged, the cleaning component 36 slides and rotates at the same time, thereby improving the cleaning quality after contacting the filter screen 22, and removing impurities on the filter screen 22, so that the impurities are deposited. When there are many deposited impurities, it is cleaned manually at this time, thereby lengthening the manual cleaning cycle and reducing the frequency of manual cleaning.

[0033] The cleaning component 36 is preferably a sponge. In other embodiments of the present invention, other cleaning components 36 known to those skilled in the art, such as a cleaning brush, etc., may also be selected. The cleaning component 36 is not limited to a sponge.

[0034] A cleaning tube 3 is fixedly connected to the measuring pipe, an electric push rod 32 is connected inside the cleaning tube 3, and the output end of the electric push rod 32 is connected to the cleaning component 36, so that the cleaning component 36 slides along the cleaning tube 3; by setting the cleaning tube 3, the electric push rod 32 and the cleaning component 36 are placed, so that when cleaning is not required, the electric push rod 32 and the cleaning component 36 will not come into contact with the water in the measuring pipe; by setting the electric push rod 32, the cleaning component 36 can slide relative to the cleaning tube 3.

[0035] A cleaning flange cover 31 is connected to the cleaning pipe 3 by bolts for easy disassembly.

[0036] Preferably, the electric push rod 32 is electrically connected to the flow sensor, and the flow sensor can be located at one end of the water filtered through the measuring pipeline. When the filter screen 22 is clogged, the water flow at the flow sensor end changes, and the flow sensor transmits a signal to the electric push rod 32, so that the electric push rod 32 is started to remove impurities on the filter screen 22.

[0037] In other embodiments of the utility model, other methods known to those skilled in the art can be selected according to actual use requirements, such as manually controlling a switch to control the start and stop of the electric push rod 32, and the control of the electric push rod 32 is not limited.

[0038] The output end of the electric push rod 32 is rotatably connected to a screw rod 33, and one end of the screw rod 33 away from the output end of the electric push rod 32 is fixedly connected to a cleaning block. A support plate 34 is fixedly connected to the cleaning tube 3, and a clamping block 35 is fixedly connected to the support plate 34. The clamping block 35 is slidably connected to the spiral groove on the screw rod 33, so that the screw rod 33 rotates when sliding; by arranging the screw rod 33 and the clamping block 35, and the clamping block 35 is fixed, when the screw rod 33 slides following the output end of the electric push rod 32, the screw rod 33 slides due to the limitation of the clamping block 35, so that the screw rod 33 rotates while sliding.

[0039] Preferably, a rotating groove is provided on the output end of the electric push rod 32, and a rotating block 38 is rotatably connected to the rotating groove, and a connecting rod 37 is fixedly connected to the rotating block 38, and the end of the connecting rod 37 away from the rotating block 38 is fixedly connected to the screw rod 33; through the rotating groove and the rotating block 38, the effect of ensuring that the screw rod 33 can slide along with the output end of the electric push rod 32 and at the same time ensuring that the screw rod 33 can rotate relative to the output end of the electric push rod 32 is achieved.

[0040] The rotational connection between the output end of the electric push rod 32 and the screw rod 33 is not limited to the connection between the rotating block 38 and the rotating groove, as long as the rotational connection between the output end of the electric push rod 32 and the screw rod 33 can be achieved.

[0041] Preferably, the diameter of the rotating block 38 is greater than the diameter of the connecting rod 37 , so as to limit the position of the screw rod 33 and ensure the rotational connection between the screw rod 33 and the rotating block 38 .

[0042] A filter tube 2 is fixedly connected to the measuring pipe, the filter tube 2 is connected to the measuring pipe, and the filter net 22 is located in the filter tube 2; by setting the filter tube 2, the effect of all deposited impurities being located in the filter tube 2 is achieved.

[0043] A filter flange cover 21 is connected to the filter tube 2 by bolts to facilitate disassembly and manual cleaning of deposited impurities.

[0044] Preferably, the water in the measuring pipeline 1 flows in a first direction, and the filter tube 2 is inclined in the first direction to set the filter screen 22 in a cylindrical shape, and the cylindrical filter screen 22 is inclined synchronously; a matching block 11 is fixedly connected in the measuring pipeline 1, and the matching block 11 is abutted against one end of the inclined cylindrical filter screen 22, and the end of the inclined cylindrical filter screen 22 away from the matching block 11 is flush with the measuring pipeline 1, so that when the water in the measuring pipeline 1 flows in the first direction, impurities fall into the filter tube 2, and the effect of filtering the water along the first direction is achieved; by setting the cylindrical filter screen 22, and the cylindrical filter screen 22 is inclined with the filter tube 2, the impurities are located in the filter tube 2, which is convenient for cleaning the impurities.

[0045] The first direction is Figure 1 The R direction indicates the flow direction of water in the measuring pipe.

[0046] The connection between the measuring pipeline 1 and the cleaning pipe 3 is fixedly connected with a baffle 4 by bolts. When the cleaning block slides toward the filter screen 22, the baffle 4 rotates with the connection with the bolt as the center. When the water in the measuring pipeline 1 flows in the first direction, the baffle 4 blocks the cleaning pipe 3; by setting the baffle 4, it is equivalent to playing the role of a one-way valve. When the cleaning component 36 is cleaning, the baffle 4 rotates with the connection with the bolt as the center, so that the cleaning component 36 can slide normally. When the cleaning component 36 does not need to be cleaned, when the water in the measuring pipeline 1 flows in the first direction, the baffle 4 blocks the cleaning pipe 3, thereby preventing the cleaning component 36 and the electric push rod 32 from contacting with water.

[0047] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. A filter mechanism for a flow meter measuring device, characterized in that: It includes a measuring pipe for conveying water to the flow meter, and a filter screen is provided on the measuring pipe so that the water conveyed to the flow meter is filtered through the filter screen; A cleaning component is provided on the measuring pipe, and the cleaning component is located at the opposite end of the filter screen. The cleaning component can slide relative to the measuring pipe and can rotate relative to the measuring pipe to clean impurities on the filter screen when the cleaning component contacts the filter screen.

2. The filter mechanism of the flow meter measuring device according to claim 1, characterized in that: A cleaning pipe is fixedly connected to the measuring pipeline, an electric push rod is connected inside the cleaning pipe, and an output end of the electric push rod is connected to the cleaning component so that the cleaning component slides along the cleaning pipe.

3. The filter mechanism of the flow meter measuring device according to claim 2, characterized in that: The output end of the electric push rod is rotatably connected to a spiral rod, and one end of the spiral rod away from the output end of the electric push rod is fixedly connected to a cleaning block. A support plate is fixedly connected to the cleaning tube, and a clamping block is fixedly connected to the support plate. The clamping block is slidably connected to a spiral groove on the spiral rod, so that the spiral rod rotates while sliding.

4. The filter mechanism of the flow meter measuring device according to claim 3, characterized in that: A rotating groove is provided on the output end of the electric push rod, a rotating block is rotatably connected to the rotating groove, a connecting rod is fixedly connected to the rotating block, and one end of the connecting rod away from the rotating block is fixedly connected to the spiral rod.

5. The filter mechanism of the flow meter measuring device according to claim 4, characterized in that: The diameter of the rotating block is larger than the diameter of the connecting rod.

6. The filter mechanism of the flow meter measuring device according to claim 1, characterized in that: A filter tube is fixedly connected to the measuring pipeline, the filter tube is communicated with the measuring pipeline, and the filter net is located in the filter tube.

7. The filter mechanism of the flow meter measuring device according to claim 6, characterized in that: The water in the measuring pipeline flows in a first direction, and the filter tube is arranged to be inclined in the first direction.

8. The filter mechanism of the flow meter measuring device according to claim 7, characterized in that: The filter screen is cylindrical and the cylindrical filter screen is tilted synchronously.

9. The filter mechanism of the flow meter measuring device according to claim 8, characterized in that: A matching block is fixedly connected in the measuring pipeline, which abuts against one end of the inclined cylindrical filter screen, and the end of the inclined cylindrical filter screen away from the matching block is flush with the measuring pipeline, so that when the water in the measuring pipeline flows in the first direction, impurities fall into the filter tube.

10. The filter mechanism of the flow meter measuring device according to claim 2, characterized in that: The connection between the measuring pipeline and the cleaning pipe is fixed with a baffle by bolts. When the cleaning block slides toward the filter screen, the baffle rotates with the connection with the bolt as the center. When the water in the measuring pipeline flows in the first direction, the baffle blocks the cleaning pipe.

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