Water flow indicator

Abstract

The utility model relates to the technical field of valves, and provides a water flow indicator which is high in observation accuracy and not prone to being shielded, the water flow indicator comprises a body, the body comprises a water passing channel and a transparent observation pipe embedded in the middle section of the water passing channel, a support is arranged on the inner wall of the transparent observation pipe, and a rotary fan blade shaft is movably clamped on the support. A cleaning structure is arranged on the transparent observation pipe in a sliding and attached mode, and when the inner wall of the transparent observation pipe is shielded by silt, the cleaning structure is pulled to scrape and clean the silt on the inner wall of the transparent observation pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a water flow indicator. Background Art

[0002] The water flow indicator is a kind of instrument valve. Through the transparent window set on it, the turbidity of liquid, gas and other media can be observed at any time. At the same time, the flow velocity response of the metered medium can be measured. It is one of the indispensable pipeline accessories to ensure normal production. It is widely used in industrial production pipelines such as petroleum, chemical, chemical fiber, and medicine. The water flow indicator is set in the middle section of the fire protection pipeline to conveniently observe the flow direction and flow velocity of the water. Some water flow indicators can also send electrical signals of regional water flow to the electric control box, and then can be installed in the automatic sprinkler fire extinguishing system. Once a fire occurs, water can be sprayed immediately, so that the fire can be quickly extinguished or contained when it is small.

[0003] Although the above-mentioned prior art can solve the corresponding technical problems, it still has certain defects: when the existing water flow indicator is installed in a fire-fighting pipeline with poor water quality, if the water flowing through the pipeline contains a high sediment content, then after a period of use, a layer of sediment will easily adhere to the transparent observation cover of the water flow indicator, thereby causing the light transmittance of the observation cover of the water flow indicator to drop significantly, making it difficult to observe the accurate water flow velocity and turbidity of the water flow. Utility Model Content

[0004] The utility model aims to provide a water flow indicator with high observation accuracy and not easily obscured, in view of the defects and shortcomings of the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water flow indicator, including a main body, the main body including a water passage and a transparent observation tube embedded in the middle section of the water passage, the inner wall of the transparent observation tube is provided with a bracket, a rotating fan blade shaft is movably engaged on the bracket, and a cleaning structure is slidably and closely fitted on the transparent observation tube. When the inner wall of the transparent observation tube is covered by mud and sand, the cleaning structure is pulled to scrape and clean the mud and sand on the inner wall of the transparent observation tube.

[0006] A further improvement is that the cleaning structure includes a sliding magnet block that is fitted and slidably arranged on the outer wall of the transparent observation tube and a moving scraping block that is fitted and slidably arranged on the inner wall of the transparent observation tube, and the moving scraping block and the sliding magnet block are magnetically connected.

[0007] A further improvement is that the movable scraping block comprises a driven magnetic block which is fitted and slidably arranged on the inner wall of the transparent observation tube and a shovel head which is arranged on the side wall of the driven magnetic block.

[0008] A further improvement is that a glaze layer made of ceramic material is provided between the driven magnetic block and the inner wall of the transparent observation tube.

[0009] A further improvement is that: two shovel heads are provided, and the two shovel heads are symmetrically distributed on both sides of the driven magnetic block along the vertical center line of the driven magnetic block.

[0010] A further improvement is that: a protrusion is provided on the side of the driven magnetic block away from the transparent observation tube, and a swing plate is movably engaged on the side of the shovel head away from the transparent observation tube.

[0011] A further improvement is that a plurality of arc-shaped water pressure grooves are provided on the surface of the swing plate.

[0012] A further improvement is that a handle is provided on the top of the sliding magnet block.

[0013] A further improvement is that a connecting flange is provided at the end of the body.

[0014] After adopting the above technical scheme, the beneficial effect of the utility model is as follows: the utility model observes the flow velocity and turbidity of the fluid through a transparent observation tube in conjunction with a rotating fan blade shaft. When a mud and sand layer is formed on the inner wall of the transparent observation tube to block the line of sight, the movable scraping block can be driven by rotating the sliding magnet block to make the movable scraping block rotate and scrape along the inner wall of the transparent observation tube, so that the transparent observation tube can be conveniently cleaned when the observation is not clear, so that the observation accuracy is higher and it is not easy to be obscured by mud and sand and other attachments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the water flow indicator of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the top view of the cross section of the main body of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the side cross-section of the transparent observation tube and the cleaning structure of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a front view cross section of a movable scraping block of the utility model. DETAILED DESCRIPTION

[0020] The utility model is now further described in conjunction with the accompanying drawings and specific embodiments.

[0021] See also Figure 1-4 As shown, the technical solution adopted in this specific embodiment is: a water flow indicator, including a body 1, the body 1 includes a water passage 11 and a transparent observation tube 12 embedded in the middle section of the water passage 11, the inner wall of the transparent observation tube 12 is provided with a bracket 13, and a rotating fan blade shaft 14 is movably engaged on the bracket 13, and a cleaning structure is slidably and closely attached to the transparent observation tube 12, the cleaning structure includes a sliding magnet block 121 that is closely and slidably arranged on the outer wall of the transparent observation tube 12 and a moving scraping block 122 that is closely and slidably arranged on the inner wall of the transparent observation tube 12, the moving scraping block 122 includes a driven magnetic block 21 that is closely and slidably arranged on the inner wall of the transparent observation tube 12 and a shovel head 22 arranged on the side wall of the driven magnetic block 21, the moving scraping block 122 is magnetically connected to the sliding magnet block 121, and when the inner wall of the transparent observation tube 12 is covered by mud and sand, the cleaning structure is pulled to make it move toward the transparent observation The inner wall of the tube 12 is scraped and cleaned. When in use, the main body 1 is connected to the middle section of the pipeline so that the water can pass through the water passage 11 and pass through the transparent observation tube 12. At the same time, the water drives the rotating blade shaft 14 to rotate, and then the turbidity of the water flowing through can be observed through the transparent observation tube 12, and the flow rate of the water can be judged by the rotation speed of the rotating blade shaft 14. If a layer of sediment is attached to the inner wall of the transparent observation tube 12, the sliding magnet block 121 of the cleaning structure can be pulled to drive the driven magnet block 21 through magnetic force, and then the shovel head 22 is synchronously driven to move along the inner wall of the transparent observation tube 12. After the shovel head 22 passes through the inner wall of the transparent observation tube 12, the sediment layer attached to the inner wall surface can be shoveled away, and the flowing water can be used to wash it away. In this way, when the observation is not clear, the transparent observation tube 12 can be easily cleaned, so that the observation accuracy is high and it is not easy to be obscured by sediment and other attachments.

[0022] A ceramic enamel layer 23 is also provided between the driven magnetic block 21 and the inner wall of the transparent observation tube 12, which is beneficial to reduce the friction resistance during sliding;

[0023] There are two shovel heads 22, which are symmetrically distributed on both sides of the driven magnetic block 21 along the vertical center line of the driven magnetic block 21, which is conducive to scraping and shoveling when twisting clockwise or counterclockwise;

[0024] The driven magnetic block 21 is also provided with a protrusion 24 on one side away from the transparent observation tube 12, and the shovel head 22 is movably engaged with a swing plate 25 on one side away from the transparent observation tube 12, which is conducive to swinging the swing plate 25 through water flow pressure during movement, and hitting the protrusion 24 to generate vibration, thereby causing the inner wall of the transparent observation tube 12 to vibrate, so that the sediment attachment layer is loosened, thereby obtaining a better cleaning effect;

[0025] The swing plate 25 is provided with a plurality of arc-shaped water pressure grooves 26. In this embodiment, four arc-shaped water pressure grooves 26 are provided, which are conducive to increasing the contact area between the swing plate 25 and the water flow, generating a greater water flow thrust, so that the water flow can better push the swing plate 25 to swing and generate a stronger collision and shaking effect;

[0026] A pull handle 123 is provided on the top of the sliding magnet block 121, which is conducive to making the sliding magnet block 121 more convenient to be pulled;

[0027] The end of the body 1 is provided with a connecting flange 3, which facilitates installation and connection.

[0028] Working principle of the utility model: When the utility model is used, the main body 1 is connected to the middle section of the pipeline, so that the water flow can pass through the water channel 11 and pass through the transparent observation tube 12. At the same time, the water flow drives the rotating blade shaft 14 to rotate, and then the turbidity of the water flow passing through can be observed through the transparent observation tube 12, and the flow rate of the water flow can be judged by the rotation speed of the rotating blade shaft 14. If a mud and sand adhesion layer is generated on the inner wall of the transparent observation tube 12, the sliding magnet block 121 of the cleaning structure can be pulled to drive the driven magnetic block 21 through magnetic force, and then the shovel head 22 is synchronously driven to move along the inner wall of the transparent observation tube 12. After the shovel head 22 passes through the inner wall of the transparent observation tube 12, the mud and sand layer attached to the inner wall surface can be shoveled away, and it can be washed away by the flowing water flow. Therefore, when the observation is not clear, the transparent observation tube 12 can be conveniently cleaned, so that the observation accuracy is high and it is not easy to be obscured by mud and sand and other attachments.

[0029] The utility model is intended to protect the structure of the product. The model of each component is not the content of the utility model, and it is also a known technology. Any component on the market that can achieve the above functions of the utility model can be used as a choice. Therefore, the model and other parameters of the component are not described in detail in this utility model. The contribution of this utility model lies in the scientific combination of various components.

[0030] The above shows and describes the basic principle and main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. Anything not described in detail in the utility model is a well-known technology of those skilled in the art.

Claims

1. A water flow indicator, comprising a body (1), the body (1) comprising a water passage (11) and a transparent observation tube (12) embedded in the middle section of the water passage (11), the inner wall of the transparent observation tube (12) being provided with a bracket (13), a rotating blade shaft (14) being movably engaged with the bracket (13), characterized in that: A cleaning structure is slidably and closely fitted on the transparent observation tube (12); when the inner wall of the transparent observation tube (12) is covered by mud and sand, the cleaning structure is pulled to scrape and clean the mud and sand on the inner wall of the transparent observation tube (12).

2. A water flow indicator according to claim 1, characterized in that: The cleaning structure comprises a sliding magnet block (121) fitted and slidably disposed on the outer wall of the transparent observation tube (12) and a moving scraping block (122) fitted and slidably disposed on the inner wall of the transparent observation tube (12), wherein the moving scraping block (122) is magnetically connected to the sliding magnet block (121).

3. A method according to claim 2, characterized in that: The movable scraping block (122) comprises a driven magnetic block (21) which is fitted and slidably arranged on the inner wall of the transparent observation tube (12), and a shovel head (22) which is arranged on the side wall of the driven magnetic block (21).

4. A water flow indicator according to claim 3, characterized in that: A glaze layer (23) made of ceramic material is also provided between the driven magnetic block (21) and the inner wall of the transparent observation tube (12).

5. A water flow indicator according to claim 3, characterized in that: Two shovel heads (22) are provided, and the two shovel heads (22) are symmetrically distributed on both sides of the driven magnetic block (21) along the vertical center line of the driven magnetic block (21).

6. A water flow indicator according to claim 3, characterized in that: A protrusion (24) is also provided on the side of the driven magnetic block (21) away from the transparent observation tube (12), and a swing plate (25) is movably engaged on the side of the shovel head (22) away from the transparent observation tube (12).

7. A water flow indicator according to claim 6, characterized in that: A plurality of arc-shaped water pressure grooves (26) are provided on the surface of the swing plate (25).

8. A water flow indicator according to claim 2, characterized in that: A pull handle (123) is provided on the top of the sliding magnet block (121).

9. A water flow indicator according to claim 1, characterized in that: A connecting flange (3) is provided at the end of the body (1).

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