Variable liquid level periodical equalization water outlet device

By designing a variable liquid level periodic flow equalization water discharge device, and utilizing the combination of a float trigger cylinder and a magnetic valve, stable and uniform drainage from the water tank outlet is achieved, solving the problem of unstable flow control in existing technologies, and making it suitable for various environments.

CN113309209BActive Publication Date: 2026-04-10上海同晟环保科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
上海同晟环保科技有限公司
Filing Date
2021-07-06
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing technologies struggle to achieve stable control of water outflow, especially in the absence of an external power source. They cannot achieve slow and uniform water release and are not suitable for situations requiring periodic equal flow drainage.

Method used

A variable liquid level periodic flow equalization water discharge device was designed, including an outlet pipe, a guide rail, a magnetic valve, and a float trigger cylinder. The float trigger cylinder triggers the magnetic valve to swing according to the liquid level change, realizing the periodic opening and closing of the crossflow pipe, ensuring stable and uniform drainage from the water tank outlet.

Benefits of technology

It achieves stable and uniform drainage from the water tank outlet without an external power source, reducing power and maintenance costs, has a wide range of applications, and avoids unforeseen impacts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a variable liquid level periodical uniform outflow device, which comprises an outflow pipe, a guide rail, a magnetic valve and a floating body trigger cylinder; the floating body trigger cylinder sequentially contacts and pushes the magnetic valve at the corresponding position downward with the decrease of the liquid level, thereby opening the cross flow pipe at the corresponding position and canceling the pushing force on the magnetic valve at the upper position to reset it, so that the water tank outlet realizes periodical uniform outflow of water with stable drainage and periodical equal flow drainage while the liquid level continuously decreases; the floating body trigger cylinder sequentially contacts and pushes the magnetic valve at the corresponding position downward with the decrease of the liquid level, thereby opening the cross flow pipe at the corresponding position to realize periodical uniform outflow of water, without the need of additional external power source, stable power supply, effectively reducing power cost and maintenance cost; the device can realize periodical uniform outflow of water, has wide application range, realizes uniform and stable outflow of water, and avoids unintended influence caused by continuous outflow of water.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of uniform flow of water, in particular to a variable liquid level periodical uniform flow water outlet device. BACKGROUND

[0002] The construction of a sponge city refers to a city that can absorb, store, infiltrate and purify water like a sponge when it rains, and can release the stored water for use when needed; in order to achieve the effective storage capacity of the sponge facility and truly achieve the purpose of reducing peak runoff, delaying peak runoff, accurately planning the storage water volume, etc., the water outlet of the storage space must be effectively controlled.

[0003] In order to achieve the above-mentioned goal of controlling the flow of water outlet, the following methods are commonly used in the prior art:

[0004] 1) Use gravity to release the storage water volume to be discharged through a low-position valve pipe system or an open hole orifice, etc., although no external power is required, but as the water level in the storage space decreases, the discharge flow will continue to decrease, and the water outlet flow will change greatly, which is not suitable for this method in an environment that requires a long period to achieve slow and uniform release of water;

[0005] 2) Use external power to drive a water pump or other power device combined with a water level control facility to lift or transport water out of the water body, although the water volume in the storage space can be controlled to discharge at a stable flow, but in many environments, it is difficult to provide a stable power source and mechanical and electrical equipment; even if there is a power source, it is difficult to use and promote due to the complexity of engineering implementation and operation and maintenance.

[0006] 3) Cannot achieve periodic drainage and is not suitable for use in environments that require periodic uniform flow drainage. SUMMARY

[0007] In order to overcome the deficiencies and shortcomings of the prior art, the present application provides a variable liquid level periodical uniform flow water outlet device.

[0008] The technical solution adopted by the present application to solve its technical problems is:

[0009] A variable liquid level periodical uniform flow water outlet device, comprising an outlet pipe, a guide rail, a magnetic valve and a floating body trigger cylinder; characterized in that: the outlet pipe is vertically installed inside the water tank, the bottom end of the outlet pipe is communicated with the water outlet of the water tank, the guide rail is installed on the radial outer side of the outlet pipe, the magnetic valve is provided with a plurality of and installed on the opposite sides of the outlet pipe and arranged equidistantly from top to bottom; the floating body trigger cylinder is sleeved on the radial outer side of the outlet pipe, and the floating body trigger cylinder can slide up and down synchronously along the guide rail with the fluctuation of the liquid surface, and sequentially touches and opens the magnetic valve at the corresponding position during the sliding process.

[0010] Further, the outflow pipe comprises a vertical flow pipe, a first annular magnet, a horizontal flow pipe, a drain hole, and a connecting flange; the horizontal flow pipe is provided with multiple horizontal flow pipes arranged equidistantly from top to bottom on the outer pipe surface of the opposite sides of the vertical flow pipe and communicates with the inside of the vertical flow pipe, the first annular magnet is sleeved on the outer periphery of each horizontal flow pipe and is fixedly connected with the outer wall of the vertical flow pipe, the drain hole is arranged on the top of the vertical flow pipe and above the highest horizontal flow pipe, and the connecting flange is installed on the bottom port of the vertical flow pipe and is connected with the water outlet of the water tank.

[0011] Further, the vertical flow pipe and the horizontal flow pipe are made of plastic or corrosion-resistant metal.

[0012] Further, the distance between the axis of the drain hole and the axis of the highest horizontal flow pipe is the same as the distance between the axes of the adjacent two horizontal flow pipes.

[0013] Further, the magnetic valve comprises a first fixed pulley, a first U-shaped frame, a balance plate, a second annular magnet, a sealing gasket, and a first shaft; the first fixed pulley is fixed to the outer lower end of the balance plate and is arranged in the form of a convex guide rail outer wall, the sealing gasket is installed on the inner upper end of the balance plate, the second annular magnet is sleeved on the outer periphery of the sealing gasket and is adhesively connected with the inner side of the balance plate, a through hole is arranged in the middle of the side surface of the balance plate, the two bent surfaces of the first U-shaped frame are also provided with through holes, the first shaft penetrates the through holes of the first U-shaped frame, the through hole of the balance plate, and the through hole of the first U-shaped frame in sequence, and then connects the first U-shaped frame and the balance plate into one body, and the balance plate can freely swing inside the first U-shaped frame with the first shaft as the axis.

[0014] Further, the floating body trigger cylinder comprises a floating barrel, a trigger slider, and a second fixed pulley; the floating barrel is provided as a hollow structure, the trigger slider is installed on the inner walls of the two symmetrical sides of the floating barrel, and the second fixed pulley is installed on the inner wall of the floating barrel and is located on the top of the trigger slider.

[0015] Further, the floating barrel is provided as a hollow annular structure and is made of any one of hollow foam, hollow plastic, or hollow metal.

[0016] Further, the upper and lower edges of the trigger slider are provided as circular chamfers.

[0017] Further, the second fixed pulley is provided with six second fixed pulleys and is installed on the inner wall of the floating barrel, wherein the two inner walls provided with the trigger sliders are respectively provided with two second fixed pulleys, and the remaining two inner walls are respectively provided with one second fixed pulley.

[0018] Further, the first fixed pulley and the second fixed pulley each comprise a second U-shaped frame, a second shaft and a pulley; the pulley is provided with a through hole penetrating the upper and lower sections, two bent surfaces of the second U-shaped frame are provided with through holes, the second shaft penetrates the through holes of the second U-shaped frame, the through hole of the pulley and the through hole of the second U-shaped frame in sequence, and then connects the second U-shaped frame and the pulley into an integral whole, and the pulley can rotate freely inside the second U-shaped frame with the second shaft as the axis.

[0019] The present application has the following advantages:

[0020] (1) The present application provides a variable liquid level periodic uniform outflow device, the floating body trigger cylinder sequentially contacts and pushes the magnetic valve at the corresponding position downwards with the decrease of the liquid level to swing and open the cross flow pipe at the corresponding position, and the pushing force on the magnetic valve at the upper position is removed to reset, so that the water tank outlet realizes periodic uniform outflow of water while the liquid level continuously decreases, the water is stably discharged, and the water is periodically discharged at the same flow rate.

[0021] (2) The present application provides a variable liquid level periodic uniform outflow device, the floating body trigger cylinder sequentially contacts and pushes the magnetic valve at the corresponding position downwards with the decrease of the liquid level to swing and open the cross flow pipe at the corresponding position to realize periodic uniform outflow of water, without the need for additional external power source, the power supply is stable, and the power cost and maintenance cost are effectively reduced.

[0022] (3) The present application provides a variable liquid level periodic uniform outflow device, which can realize periodic uniform outflow of water, has wide application range, realizes uniform and stable water outlet, and avoids unintended influence caused by continuous water outlet. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the present application;

[0024] Figure 2 It is a structural sectional view of the present application;

[0025] Figure 3 It is a structural top view of the present application;

[0026] Figure 4 It is a structural side view of the outflow pipe of the present application;

[0027] Figure 5 It is a structural schematic view of the outflow pipe of the present application;

[0028] Figure 6 It is a structural schematic view of the magnetic valve of the present application;

[0029] Figure 7 It is a structural side view of the magnetic valve of the present application;

[0030] Figure 8Structure of the magnetic valve of the present application is shown in the top view;

[0031] Figure 9 Structure of the floating trigger cylinder of the present application is shown in the sectional view;

[0032] Figure 10 Structure of the floating trigger cylinder of the present application is shown in the top view;

[0033] Figure 11 Structure of the first and second fixed pulleys of the present application is shown in the first perspective view;

[0034] Figure 12 Structure of the first and second fixed pulleys of the present application is shown in the second perspective view;

[0035] Figures 13-19 Working condition of the variable liquid level periodical uniform outflow device of the present application is shown in the schematic diagram when it is located at different liquid levels. DETAILED DESCRIPTION

[0036] The present application will now be further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams and only show the basic structure of the present application in a schematic manner, and thus only show the components related to the present application.

[0037] As Figures 1-12 shown is a variable liquid level periodical uniform outflow device provided by the present application, comprising an outflow pipe 1, a guide rail 2, a magnetic valve 3 and a floating trigger cylinder 4; characterized in that: the outflow pipe 1 is vertically installed inside a water tank, the bottom end of the outflow pipe 1 is in communication with the water outlet of the water tank, the guide rail 2 is installed on the radial outer side of the outflow pipe 1, the magnetic valve 3 is provided with multiple and installed on the opposite sides of the outflow pipe 1 and arranged equidistantly from top to bottom; the floating trigger cylinder 4 is sleeved on the radial outer side of the outflow pipe 1, and the floating trigger cylinder 4 can slide up and down along the guide rail 2 synchronously with the fluctuation of the liquid surface, and sequentially touches and opens the magnetic valve 3 at the corresponding position in the sliding process.

[0038] Specifically, the outflow pipe 1 comprises a vertical flow pipe 5, a first annular magnet 6, a cross flow pipe 7, a drain hole 8 and a connecting flange 9; the cross flow pipe 7 is provided with multiple and arranged equidistantly from top to bottom on the outer pipe surface of the opposite sides of the vertical flow pipe 5 and in communication with the inside of the vertical flow pipe 5, the first annular magnet 6 is sleeved on the outer periphery of each cross flow pipe 7 and fixedly connected with the outer wall of the vertical flow pipe 5, the drain hole 8 is opened on the top of the vertical flow pipe 5 and above the cross flow pipe 7 at the highest position, and the connecting flange 9 is installed on the bottom port of the vertical flow pipe 5 and connected with the water outlet of the water tank; the first annular magnet 6 sleeved on the outer periphery of each cross flow pipe 7 realizes the normally closed state of the cross flow pipe 7 through the cooperation (opposite magnetic poles attract) with the second annular magnet 13 sleeved on the outer periphery of the sealing gasket 14 and glued to the inside of the balance plate 12.

[0039] Specifically, the vertical flow pipe 5 and the horizontal flow pipe 7 are made of plastic or corrosion-resistant metal, effectively ensuring the service life, performance and structural stability thereof in the water flow for a long time.

[0040] Specifically, the distance between the axis of the water outlet hole 8 and the axis of the highest horizontal flow pipe 7 is the same as the distance between the axes of the two adjacent horizontal flow pipes 7, ensuring that the liquid level reaches the position near the axis of the water outlet hole 8 to start realizing periodic uniform water outflow.

[0041] Specifically, the magnetic valve 3 comprises a first fixed pulley 10, a first U-shaped frame 11, a balance plate 12, a second annular magnet 13, a sealing gasket 14, and a first shaft 15. The first fixed pulley 10 is fixed to the outer lower end of the balance plate 12 and is arranged in a protruding guide rail 2 outer wall manner to facilitate abutting with a trigger sliding block 16. The sealing gasket 14 is installed on the inner upper end of the balance plate 12. The second annular magnet 13 is sleeved on the outer periphery of the sealing gasket 14 and is adhesively connected with the inner side of the balance plate 12. The balance plate 12 has a through hole in the middle of the side surface. The first U-shaped frame 11 also has a through hole in the two bent surfaces. The first shaft 15 penetrates the through holes of the first U-shaped frame 11, the balance plate 12, and the first U-shaped frame 11 in sequence and then connects the first U-shaped frame 11 and the balance plate 12 into one body. The balance plate 12 can freely swing inside the first U-shaped frame 11 with the first shaft 15 as the axis, so as to push the lower end of the balance plate 12 by the trigger sliding block 16 to realize the swing of the balance plate 12 and the opening and closing of the horizontal flow pipe 7 at the corresponding position.

[0042] Specifically, the floating body trigger cylinder 4 comprises a buoyancy bucket 17, a trigger sliding block 16, and a second fixed pulley 21. The buoyancy bucket 17 is arranged in a hollow structure. The trigger sliding block 16 is installed on the inner walls of the two symmetrical sides of the buoyancy bucket 17. The second fixed pulley 21 is installed on the inner wall of the buoyancy bucket 17, and the second fixed pulley 21 is located at the top of the trigger sliding block 16. The trigger sliding block 16 is used to push the first fixed pulley 10 at the corresponding position to drive the balance plate to swing and thereby open the horizontal flow pipe 7 at the corresponding position. The second fixed pulley 21 facilitates the up-and-down sliding of the buoyancy bucket 17 on the outer wall of the guide rail 2.

[0043] Specifically, the buoyancy bucket 17 is arranged in a hollow annular structure and is made of any one of hollow foam, hollow plastic or hollow metal, has a large size and is convenient for floating on the liquid surface.

[0044] Specifically, the upper and lower edges of the trigger sliding block 16 are arranged in a circular chamfer to ensure good abutment with the first fixed pulley 10.

[0045] Specifically, the second fixed pulley 21 is provided with 6, and is installed on the inner wall of the buoyancy barrel 17, wherein the two sides of the inner wall provided with the trigger slider 16 are respectively provided with two second fixed pulleys 21, and the remaining two sides of the inner wall are respectively provided with one second fixed pulley 21, which facilitates the realization of the up and down sliding of the floating body trigger cylinder 4 relative to the guide rail 2, and those skilled in the art can also select other arrangement modes according to actual use requirements.

[0046] Specifically, the first fixed pulley 10 and the second fixed pulley 21 each include a second U-shaped frame 18, a second shaft 19, and a pulley 20; the pulley 20 is provided with a through hole penetrating the upper and lower sections, the two bent surfaces of the second U-shaped frame 18 are provided with through holes, and the second shaft 19 penetrates the through holes of the second U-shaped frame 18, the through hole of the pulley 20, and the through hole of the second U-shaped frame 18 in sequence to connect the second U-shaped frame 18 and the pulley 20 into one body, and the pulley 20 can rotate freely inside the second U-shaped frame 18 with the second shaft 19 as the axis.

[0047] Specifically, as shown in Figures 13-19 the dashed line in the figure is the liquid level line,

[0048] As shown in Figure 13 , at this time, the liquid level line is located above the drain hole 8, the liquid flows through the drain hole 8 from the standpipe 5 to the water outlet of the water tank, and the liquid level gradually decreases;

[0049] As shown in Figure 14 , as the liquid level gradually decreases, the position of the floating body trigger cylinder 4 floating on the liquid surface also gradually decreases, until the bottom end of the trigger slider 16 contacts the first fixed pulley 10 of the highest magnetic valve 3, at this time, the liquid level line is located above the bottom of the drain hole 8, and as the liquid flows through the standpipe 5 to the water outlet of the water tank, the liquid level gradually decreases;

[0050] As shown in Figure 15 , as the liquid level gradually decreases, the position of the floating body trigger cylinder 4 floating on the liquid surface also gradually decreases, until the bottom end of the trigger slider 16 contacts the first fixed pulley 10 of the highest magnetic valve 3 and pushes the balance plate 12 of the magnetic valve to swing around the first shaft 15 (counterclockwise swing on the left side and clockwise swing on the right side), thereby respectively opening the corresponding highest horizontal flow pipe 7 through the magnetic valve 3, at this time, the liquid level line is located below the bottom of the drain hole 8, and the liquid flow at this time flows into the standpipe 5 through the highest horizontal flow pipe 7 to the water outlet of the water tank, and the liquid level gradually decreases;

[0051] As shown in Figure 16As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state.

[0052] As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state. Figure 17 As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state.

[0053] As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state. Figure 18 As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state.

[0054] As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state. Figure 19 As shown, as the liquid level gradually decreases, the position of the float trigger cylinder 4 floating on the liquid surface also gradually decreases, and the bottom end of the trigger slider 16 gradually contacts the first fixed pulley 10 of the second magnetic valve 3 while the trigger slider 16 keeps in contact with the first fixed pulley 10 of the highest magnetic valve 3, thereby keeping the highest magnetic valve 3 in a continuously open state.

[0055] By analogy, as the liquid level gradually decreases, the float trigger cylinder 4 also gradually decreases, and sequentially contacts the fixed pulley 10 at the corresponding position to gradually close the upper horizontal flow pipe 7 and open the lower horizontal flow pipe 7, thereby achieving periodic uniform outflow (the liquid flow between the inner wall of the guide rail 2 and the inner wall of the vertical flow pipe 5 can also be discharged from the horizontal flow pipe 7 at the corresponding position as the liquid level decreases).

[0056] Based on the above ideal embodiments according to the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined by the scope of the claims.

Claims

1. A variable liquid level period constant outflow water device, characterized in that: The variable liquid level periodical water outlet device comprises an outlet pipe (1), a guide rail (2), magnetic valves (3) and a floating body triggering cylinder (4); the outlet pipe (1) is vertically installed in a water tank, the bottom end of the outlet pipe (1) is communicated with a water outlet of the water tank, the guide rail (2) is installed on the radial outer side of the outlet pipe (1), the magnetic valves (3) are arranged on the opposite sides of the outlet pipe (1) and are equidistantly arranged from top to bottom; the floating body triggering cylinder (4) is sleeved on the radial outer side of the outlet pipe (1), and the floating body triggering cylinder (4) can slide up and down along the guide rail (2) synchronously with the fluctuation of the liquid surface, and sequentially touches and opens the magnetic valves (3) at the corresponding positions in the sliding process. The outlet pipe (1) comprises a vertical flow pipe (5), a first annular magnet (6), cross flow pipes (7), a drainage hole (8) and a connecting flange (9); the cross flow pipes (7) are arranged on the outer pipe surfaces of the opposite sides of the vertical flow pipe (5) from top to bottom and are communicated with the inside of the vertical flow pipe (5), the first annular magnet (6) is sleeved on the outer periphery of each cross flow pipe (7) and is fixedly connected with the outer wall of the vertical flow pipe (5), the drainage hole (8) is arranged on the top of the vertical flow pipe (5) and above the highest cross flow pipe (7), and the connecting flange (9) is installed on the bottom port of the vertical flow pipe (5) and is connected with the water outlet of the water tank.

2. A variable liquid level periodic flow water outlet device according to claim 1, characterized in that: The vertical flow pipe (5) and the cross flow pipes (7) are made of plastic or corrosion-resistant metal.

3. A variable liquid level periodic flow water outlet device according to claim 1, characterized in that: The distance from the axis of the drainage hole (8) to the axis of the highest cross flow pipe (7) is the same as the distance between the axes of the adjacent two cross flow pipes (7).

4. A variable liquid level periodic flow water outlet device according to claim 1, characterized in that: The magnetic valve (3) comprises a first fixed pulley (10), a first U-shaped frame (11), a balance plate (12), a second annular magnet (13), a sealing gasket (14) and a first shaft rod (15); the first fixed pulley (10) is fixed on the outer lower end of the balance plate (12) and is arranged in a way of protruding the outer wall of the guide rail (2), the sealing gasket (14) is installed on the inner upper end of the balance plate (12), the second annular magnet (13) is sleeved on the outer periphery of the sealing gasket (14) and is adhesively connected with the inner side of the balance plate (12), a through hole is arranged in the middle of the side surface of the balance plate (12), two bent surfaces of the first U-shaped frame (11) are also provided with through holes, the first shaft rod (15) penetrates the through holes of the first U-shaped frame (11), the through hole of the balance plate (12) and the through hole of the first U-shaped frame (11) in sequence and then connects the first U-shaped frame (11) and the balance plate (12) into one body, and the balance plate (12) can freely swing in the first U-shaped frame (11) with the first shaft rod (15) as the axis.

5. A variable liquid level periodic flow water outlet device according to claim 4, characterized in that: The floating body trigger cylinder (4) comprises a floating barrel (17), a trigger slider (16) and a second fixed pulley (21); the floating barrel (17) is provided as a hollow structure, the trigger slider (16) is installed on the inner walls of the two symmetrical sides of the floating barrel (17), and the second fixed pulley (21) is installed on the inner wall of the floating barrel (17) and is located at the top of the trigger slider (16).

6. A variable liquid level periodic flow water outlet device according to claim 5, characterized in that: The floating barrel (17) is provided as a hollow ring structure and is made of any one of hollow foam, hollow plastic or hollow metal.

7. A variable liquid level periodic flow water outlet device according to claim 5, characterized in that: The upper and lower edges of the trigger slider (16) are provided as circular chamfers.

8. A variable liquid level periodic flow water outlet device according to claim 5, characterized in that: The second fixed pulley (21) is provided with six and is installed on the inner wall of the floating barrel (17), wherein the two inner walls provided with the trigger slider (16) are respectively provided with two second fixed pulleys (21), and the remaining two inner walls are respectively provided with one second fixed pulley (21).

9. A variable liquid level, cyclical flow water dispensing device as defined in claim 5 wherein: The first fixed pulley (10) and the second fixed pulley (21) both comprise a second U-shaped frame (18), a second shaft rod (19) and a pulley (20); the pulley (20) is provided with a through hole penetrating the upper and lower sections, the two bent surfaces of the second U-shaped frame (18) are provided with through holes, the second shaft rod (19) penetrates the through holes of the second U-shaped frame (18), the through hole of the pulley (20) and the through hole of the second U-shaped frame (18) in sequence and then connects the second U-shaped frame (18) and the pulley (20) into one body, and the pulley (20) can freely rotate in the second U-shaped frame (18) with the second shaft rod (19) as the axis.

Citation Information

Patent Citations

  • Automatic anti -spilling apparatus of recharging well floating

    CN206174042U

  • Variable-liquid-level periodic uniform-flow water outlet device

    CN215166409U