Buoy flow-limiting valve with built-in buoy

By designing a floating cylinder flow restriction valve with built-in floating cylinder, the floating cylinder is covered by a square shell and is linked with the door blades through wire ropes and rollers, the problem of large space occupation and easy corrosion of the existing floating cylinder flow restriction valve is solved, and space saving and rapid movement of the equipment and corrosion resistance are achieved.

CN222616160UActive Publication Date: 2025-03-14SHANGHAI SANXING WATER SUPPLY & DRAINAGE DEVICECO
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Patent Information

Application Number
CN202420764210.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-03-14
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

The design of the existing floating cylinder flow limiting valve causes the floating cylinder and rotating mechanism to occupy a large space, which is easy to contact with garbage and sewage, and is prone to rust.

Method used

A floating tube flow limiting valve with built-in float is designed. The float tube is covered by a square shell. The linkage between the float tube and the door blade is achieved through the wire rope and the roller. Vertical up and down movement is adopted to reduce space occupation and protect the equipment.

Benefits of technology

Space saving is achieved, and the problems of water flow erosion, garbage tangling and sewage contact are reduced. The equipment moves quickly and is not prone to corrosion.

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Abstract

The utility model discloses a buoy flow-limiting valve with a built-in buoy, and relates to a buoy flow-limiting valve. Comprising a square housing composed of a top sealing housing and a lower protective housing, the upper end of the lower protective housing is connected with the top sealing housing through screws, the lower portion of the lower protective housing is open, a steel wire rope and a roller are arranged in the top sealing housing, and a buoy is arranged in the lower protective housing. The tops of the buoys are connected with sliding rods at the tops of the gate leaves through steel wire ropes and rollers, and the sliding rods are in sliding fit with sliding rails on the two sides of the gate leaves. The buoy is covered by the square shell, so that the problems of water flow scouring, garbage winding, sewage contact and the like are reduced.
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Description

Technical Field

[0001] The utility model relates to a flow limiting valve, in particular to a buoy flow limiting valve with a built-in buoy. Background Art

[0002] Conventional float flow limiting valves adopt the form of a rotating shaft, with the float and the gate leaf on both sides of the rotating shaft. When the water level rises, the float floats up due to buoyancy, and the gate leaf falls accordingly to achieve flow limiting. In this way, the space occupied on both sides of the float flow limiting valve is relatively large, requiring a large installation space. At the same time, the float and the rotating mechanism are exposed to the outside, easily contacting garbage and sewage, and easily corroded.

[0003] In summary, the utility model designs a float flow limiting valve with a built-in float. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a buoy flow limiting valve with a built-in buoy, wherein the buoy is covered by a square shell, thereby reducing problems such as water scouring, garbage entanglement, and sewage contact.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a float flow limiting valve with a built-in float, including a square cover shell composed of a top sealing cover shell and a lower protective cover shell, the upper end of the lower protective cover shell is connected to the top sealing cover shell by screws, the lower part of the lower protective cover shell is open, a wire rope and a roller are arranged in the top sealing cover shell, a float is arranged in the lower protective cover shell, the top of the float is connected to the sliding rod at the top of the door leaf by the wire rope and the roller, and the sliding rod slides with the sliding rails on both sides of the door leaf.

[0006] Preferably, the top sealing cover shell is a single-sided opening structure with the opening facing downward.

[0007] Preferably, the lower protective cover shell is a structure with upper and lower openings.

[0008] The top of the lower protective cover shell is provided with an exhaust hole.

[0009] Beneficial effects of the utility model: The utility model improves the traditional movement mode, changing the traditional circular movement around the axis into vertical up and down movement. The buoy is set in front of the door leaf. When the buoy floats up, the door leaf falls, and when the buoy falls, the door leaf moves up. This movement mode saves more space. Secondly, the linkage between the buoy and the door leaf is realized by wire rope and roller, which is not easy to get stuck, moves quickly, and is not affected by corrosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0011] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0012] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0013] Figure 3 It is a perspective view of the utility model. DETAILED DESCRIPTION

[0014] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0015] Reference Figure 1-3 This specific embodiment adopts the following technical scheme: a buoy flow limiting valve with a built-in buoy, including a square cover shell composed of a top sealing cover shell 1 and a lower protective cover shell 2, the upper end of the lower protective cover shell 2 is connected to the top sealing cover shell 1 by screws, and the lower part of the lower protective cover shell 2 is open, a wire rope 3 and a roller 4 are arranged in the top sealing cover shell 1, and a buoy 5 is arranged in the lower protective cover shell 2. The top of the buoy 5 is connected to the sliding rod 6 at the top of the door leaf through the wire rope 3 and the roller 4, and the sliding rod 6 is slidably matched with the sliding rails 8 on both sides of the door leaf 7.

[0016] It is worth noting that the top sealing cover shell 1 is a single-sided opening structure with the opening facing downward.

[0017] It is worth noting that the lower protective cover shell 2 is a structure with upper and lower openings.

[0018] In addition, an exhaust hole 9 is provided on the top of the lower protective cover shell 2 .

[0019] The square cover of this specific implementation is divided into two parts, a top sealing cover and a lower protective cover. The wire rope and the roller are both arranged in the top sealing cover. The top sealing cover is designed with a single-sided opening, which faces downward. When the water surface is above the bottom opening of the gate, the water level inside the top sealing cover cannot rise due to the internal seal, thereby ensuring that the top sealing cover will not contact water and garbage, so the linkage mechanism of the equipment will not be corroded by sewage and affected by garbage.

[0020] The buoy in this specific implementation is arranged in the lower protective cover shell, and the lower protective cover shell mainly plays a protective role to prevent excessive water flow from washing the buoy. The lower protective cover shell is in the form of upper and lower openings, the upper part is connected to the top sealing cover shell by screws, and the lower part is completely open. An exhaust hole is arranged on the top of the lower protective cover shell to ensure the balance of water levels inside and outside the lower protective cover shell, and at the same time, most garbage is prevented from entering. The buoy floats up and down in the lower protective cover shell, thereby driving the door leaf to move up and down to achieve the current limiting function.

[0021] The above shows and describes the basic principle and main features of the utility model and the 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 claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A buoy flow limiting valve with a built-in buoy, characterized in that: The invention comprises a square cover shell composed of a top sealing cover shell (1) and a lower protective cover shell (2), wherein the upper end of the lower protective cover shell (2) is connected to the top sealing cover shell (1) by screws, and the lower part of the lower protective cover shell (2) is open, a steel wire rope (3) and a roller (4) are arranged in the top sealing cover shell (1), and a buoy (5) is arranged in the lower protective cover shell (2), and the top of the buoy (5) is connected to a slide bar (6) at the top of a door leaf by a steel wire rope (3) and a roller (4), and the slide bar (6) is slidably matched with slide rails (8) on both sides of the door leaf (7).

2. A buoy flow limiting valve with a built-in buoy according to claim 1, characterized in that: The top sealing cover shell (1) is a single-sided opening structure, with the opening facing downwards.

3. A buoy flow limiting valve with a built-in buoy according to claim 1, characterized in that: The lower protective cover shell (2) is a structure with upper and lower openings.

4. A buoy flow limiting valve with a built-in buoy according to claim 1, characterized in that: An exhaust hole (9) is provided on the top of the lower protective cover shell (2).