A rotary closing gate

Abstract

This invention discloses a rotary closing gate, relating to the field of valve technology. It includes an outer hoop, an upper cover, a bottom cover, and an inner connecting ring. The upper and bottom covers are respectively installed at both ends of the outer hoop, and the inner connecting ring is located at the central opening of the upper and bottom covers. Inside the outer hoop, there is an active rotating disk, a driven rotating disk, and several valve plates. One end of each valve plate is rotatably connected to the bottom cover, and the other end is slidably connected to the active rotating disk. Multiple telescopic mechanisms are arranged on the surface of the active rotating disk near the upper cover. One end of each telescopic mechanism is fixedly installed on the active rotating disk, and the other end is rotatably connected to the inner wall of the outer hoop. The telescopic mechanisms drive the active rotating disk to rotate within the outer hoop, and simultaneously, the active rotating disk drives the valve plates to rotate, thus opening and closing the valve plates. This invention adopts a layered design, with the supporting surface and the operating surface not interfering with each other. The opening or closing of the valve plates is achieved by rotating them, greatly reducing the resistance encountered when the valve plates open and close. The structure is compact and reasonable, the operation is quick and precise, and work efficiency is improved.

Description

Technical Field

[0001] This invention belongs to the field of valve technology, and in particular relates to a rotary closing gate. Background Technology

[0002] Valves are pipeline accessories used to open, close, and control the flow of fluid media in pipelines. Their functions in pipelines include shut-off, regulation, flow diversion, backflow prevention, pressure stabilization, flow splitting, and pressure relief. Valves come in a wide variety of types, serving as control components in fluid control systems. From the simplest butterfly valves and gate valves to the various valves used in extremely complex automated control systems, there are numerous varieties and specifications.

[0003] The common operating principle of valve mechanical components is to open or close pipeline passages by controlling the functional parts of the valve body (valve plate, valve core, etc.) to achieve the purpose of fluid flow. In practical applications, the control of the functional parts of the valve body often faces certain resistance, especially in large-diameter, high-flow pipelines. The resistance to opening or closing the valve is large, making operation difficult. Prolonged resistance load can cause deformation or even damage to the valve body. This makes the requirements for the strength, rigidity, and sealing performance of the valve body material high. Moreover, the larger the pipe diameter, the larger the valve volume, and the longer the valve takes to open or close, which is not conducive to the accuracy of pipeline control and affects work efficiency.

[0004] In summary, there is a need to design a valve structure that is compact, experiences low resistance when opening and closing, and can achieve rapid opening and closing. Summary of the Invention

[0005] The purpose of this invention is to provide a rotary closing gate, which drives an active turntable to rotate via a telescopic mechanism, and the active turntable then drives several valve plates connected to it to rotate, thereby opening or closing the valve plates. The opening and closing path of the valve plates is perpendicular to the pipeline flow direction. The rotary closing gate adopts a layered design, and the support surface and the action surface do not interfere with each other during operation, which greatly reduces the resistance encountered by the valve plates when opening and closing, and solves the problem of difficult operation. The structure is compact and the operation is quick, solving the problems of low work efficiency and low control accuracy.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0007] The present invention is a rotary closing gate, comprising an outer hoop, an upper cover, a bottom cover, and an inner connecting ring. The outer hoop is a tubular structure. The upper cover and the bottom cover are respectively installed at both ends of the outer hoop. The upper cover and the bottom cover are ring plate structures with a central opening. An inner connecting ring is provided at the central opening of the upper cover and the bottom cover.

[0008] Inside the outer hoop, near the top cover, are arranged a driving turntable and a driven turntable in sequence. Multiple telescopic mechanisms are arranged in a circular array on the surface of the driving turntable near the top cover. The driving turntable is rotatably connected to the outer hoop, and the driven turntable is fixedly connected to the outer hoop. One end of each telescopic mechanism is mounted on the driving turntable, and the other end is mounted on the inner wall of the outer hoop. The telescopic mechanism drives the driving turntable to rotate within the outer hoop. Inside the outer hoop, near the bottom cover, are several valve plates arranged in a circular array. One end of each valve plate is rotatably connected to the bottom cover, and the other end is slidably connected to the driving turntable. When the driving turntable rotates, it drives the valve plates to rotate, thus opening and closing the valve plates.

[0009] As a preferred embodiment of the present invention, both the active turntable and the driven turntable are ring plate structures externally connected to the inner ring. The active turntable is rotatably connected to the inner ring, and the driven turntable is fixedly connected to the inner ring.

[0010] As a preferred embodiment of the present invention, a plurality of ball screws for assisting relative rotation are provided between two adjacent surfaces of the active turntable and the driven turntable, and a plurality of ball screws for assisting relative rotation of the active turntable relative to the outer hoop are also provided between the outer edge of the active turntable and the inner wall of the outer hoop.

[0011] As a preferred embodiment of the present invention, the valve plate includes an arc-shaped edge and two straight edges. When the valve plates are closed, the adjacent straight edges of each valve plate are tightly fitted together. When the valve plates are open, the arc-shaped edges of each valve plate are connected to form concentric circles inscribed in the outer hoop. Each valve plate is provided with a rubber sealing strip at its edge.

[0012] As a preferred embodiment of the present invention, the end of the valve plate near the arc edge is rotatably connected to the bottom cover via a rotating shaft. A slider is provided on a surface of the valve plate near the driven turntable away from the rotating shaft. The active turntable and the driven turntable are respectively provided with an active slide groove and a driven slide groove corresponding to the slider. The slider passes through the driven slide groove and is slidably connected to the active slide groove.

[0013] As a preferred embodiment of the present invention, the active slide groove is a straight groove formed radially on the active turntable, and the driven slide groove is an arc-shaped groove formed centrifugally on the driven turntable.

[0014] As a preferred embodiment of the present invention, the valve plate is provided with a number of ball screws on both sides to assist it in rotating relative to the bottom cover and the driven turntable respectively.

[0015] As a preferred embodiment of the present invention, the telescopic mechanism includes a hydraulic cylinder, a drive block, and a rotating support. The output end of the hydraulic cylinder is fixedly mounted on the active turntable via the drive block, and the other end is rotatably connected to the inner wall of the outer hoop via the rotating support.

[0016] As a preferred embodiment of the present invention, a sealing outer ring is provided at the connection between the outer hoop and the upper cover, a sealing inner ring is provided at the connection between the inner ring and the upper cover, and a rubber sealing ring is provided at the end of the inner ring near the valve plate.

[0017] As a preferred embodiment of the present invention, all of the valve plates are made of thickened aluminum alloy.

[0018] The present invention has the following beneficial effects:

[0019] 1. Compared with ordinary flat gates, the present invention has a compact structure and a greatly reduced overall size, and can be installed on a wall in a small space;

[0020] 2. This invention achieves opening and closing by rotating the valve plate, and the closing action can be completed in a few seconds, effectively shortening the valve body opening and closing action time;

[0021] 3. The present invention adopts a layered design, in which the supporting surface and the moving surface of the valve plate are separated and do not interfere with each other, which greatly reduces the friction. In addition, ball screws are added to each valve plate to further reduce the friction generated during operation by utilizing rolling friction.

[0022] 4. The valve plates of this invention are sealed with rubber, which effectively prevents leakage;

[0023] 5. The valve plate of this invention is made of thickened aluminum alloy, which has good strength and is not easily deformed. At the same time, it can adapt to various water depth conditions.

[0024] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of a first-view mechanism for a rotary closing gate according to the present invention;

[0027] Figure 2 This is a schematic diagram of a second-view mechanism for a rotary closing gate according to the present invention;

[0028] Figure 3 This is a cross-sectional view of the internal structure of a rotary closing gate according to the present invention;

[0029] Figure 4 for Figure 3Enlarged view of a portion at point A;

[0030] Figure 5 This is a schematic diagram of the internal structure of a rotary closing gate according to the present invention;

[0031] Figure 6 This is a schematic diagram of the valve plate in the closed state of a rotary gate according to the present invention;

[0032] Figure 7 This is a schematic diagram of the valve plate of a rotary closing gate in the open state according to the present invention;

[0033] The attached diagram lists the components represented by each number as follows:

[0034] 1-Outer hoop, 2-Upper cover, 3-Bottom cover, 4-Inner connecting ring, 5-Active turntable, 6-Driven turntable, 7-Telescopic mechanism, 8-Valve plate, 101-Sealing outer ring, 401-Sealing inner ring, 402-Rubber sealing ring, 501-Active slide groove, 601-Driven slide groove, 701-Hydraulic cylinder, 702-Drive block, 703-Rotating support, 801-Rotating shaft, 802-Slider. Detailed Implementation

[0035] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] Please see Figure 1 and Figure 2 As shown, the present invention is a rotary closing gate, including an outer hoop 1, an upper cover 2, and a bottom cover 3. The outer hoop 1 is a tubular structure, and the upper cover 2 and the bottom cover 3 are respectively installed at both ends of the outer hoop 1. Both the upper cover 2 and the bottom cover 3 are ring plate structures with a central opening, and an inner connecting ring 4 is provided at the central opening of the upper cover 2 and the bottom cover 3.

[0037] Please see Figure 3-5As shown, an active turntable 5 and a driven turntable 6 are sequentially arranged inside the outer hoop 1 near the upper cover 2. The active turntable 5 is rotatably connected to the outer hoop 1, and the driven turntable 6 is fixedly connected to the outer hoop 1. Both the active turntable 5 and the driven turntable 6 are annular plate structures externally connected to the inner ring 4. The active turntable 5 is rotatably connected to the inner ring 4, and the driven turntable 6 is fixedly connected to the inner ring 4. Two sets of telescopic mechanisms 7 are arranged in a ring on the surface of the active turntable 5 near the upper cover 2. The telescopic mechanism 7 includes a hydraulic cylinder 701, a drive block 702, and a rotating support 703. The output end of the hydraulic cylinder 701 is fixedly installed on the active turntable 5 through the drive block 702, and the other end is rotatably connected to the inner wall of the outer hoop 1 through the rotating support 703. The telescopic mechanism 7 drives the active turntable 5 to rotate inside the outer hoop 1.

[0038] Please see Figure 4 As shown, a sealing outer ring 101 is provided at the connection between the outer hoop 1 and the upper cover 2, and a sealing inner ring 401 is provided at the connection between the inner ring 4 and the upper cover 2. The sealing outer ring 101 and the upper cover 2, as well as the sealing inner ring 401 and the upper cover 2, are sealed by installing rubber sealing rings and pressing them together. A rubber sealing ring 402 is provided at the end of the inner ring 4 near the valve plate 8.

[0039] Please see Figure 2 , Figure 6 , Figure 7 As shown, several valve plates 8 are arranged in a circular array inside the outer hoop 1 near the bottom cover 3. The valve plates 8 are all made of thickened aluminum alloy. Each valve plate 8 includes an arc-shaped edge and two straight edges. When the valve plates 8 are closed, the adjacent straight edges of each valve plate 8 are tightly fitted together. When the valve plates 8 are open, the arc-shaped edges of each valve plate 8 are connected to form a concentric circle inscribed in the outer hoop 1. Each valve plate 8 has a rubber sealing strip at its edge.

[0040] Please see Figure 5 and Figure 6 As shown, the end of the valve plate 8 near the arc-shaped edge is rotatably connected to the bottom cover 3 via a rotating shaft 801. A slider 802 is provided on the surface of the valve plate 8 near the driven turntable 6, away from the rotating shaft 801. The driving turntable 5 and the driven turntable 6 are respectively provided with driving grooves 501 and driven grooves 601 corresponding to the sliders 802. The driving groove 501 is a straight groove on the driving turntable 5 that is opened radially, and the driven groove 601 is an arc-shaped groove on the driven turntable 6 that is opened centrifugally. The slider 802 passes through the driven groove 601 and is slidably connected to the driving groove 501. When the driving turntable 5 rotates, it drives the valve plate 8 to rotate, thereby opening and closing the valve plate 8.

[0041] Please see Figure 5-7As shown, a number of ball screws are provided between two adjacent surfaces of the active turntable 5 and the driven turntable 6 to assist their relative rotation. A number of ball screws are also provided between the outer edge of the active turntable 5 and the inner wall of the outer hoop 1 to assist its rotation relative to the outer hoop 1. A number of ball screws are provided on both the front and back sides of the valve plate 8 to assist it in achieving relative rotation with the bottom cover 3 and the driven turntable 6.

[0042] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rotary closing gate, characterized in that: Includes an outer hoop (1), an upper cover (2), and a bottom cover (3). The outer hoop (1) is a tubular structure. The upper cover (2) and the bottom cover (3) are respectively installed at both ends of the outer hoop (1). The upper cover (2) and the bottom cover (3) are ring plate structures with a central opening. An inner ring (4) is provided at the central opening of the upper cover (2) and the bottom cover (3). Inside the outer hoop (1), near the upper cover (2), there are a drive turntable (5) and a driven turntable (6) arranged in sequence. The surface of the drive turntable (5) near the upper cover (2) is arranged with multiple telescopic mechanisms (7) in a circular array. The drive turntable (5) is rotatably connected to the outer hoop (1), and the driven turntable (6) is fixedly connected to the outer hoop (1). One end of the telescopic mechanism (7) is installed on the drive turntable (5), and the other end is installed on the inner wall of the outer hoop (1). The telescopic mechanism (7) drives the drive turntable (5) to rotate inside the outer hoop (1). Several valve plates (8) are arranged in a circular array inside the outer hoop (1) near the bottom cover (3). One end of the valve plate (8) is rotatably connected to the bottom cover (3), and the other end is slidably connected to the active turntable (5). When the active turntable (5) rotates, it drives the valve plate (8) to rotate, thereby opening and closing the valve plate (8). The valve plate (8) includes an arc-shaped edge and two straight edges. When the valve plates (8) are closed, the adjacent straight edges of each valve plate (8) are tightly fitted together. When the valve plates (8) are open, the arc-shaped edges of each valve plate (8) are connected to form a concentric circle inscribed in the outer hoop (1). The edges of the valve plates (8) are provided with rubber sealing strips. The valve plate (8) is rotatably connected to the bottom cover (3) at the end near the arc edge via a rotating shaft (801). A slider (802) is provided on a surface of the valve plate (8) near the driven turntable (6) away from the rotating shaft (801). The active turntable (5) and the driven turntable (6) are respectively provided with an active slide groove (501) and a driven slide groove (601) corresponding to the slider (802). The slider (802) slides through the driven slide groove (601) and is slidably connected to the active slide groove (501). Both the active turntable (5) and the driven turntable (6) are ring plate structures externally connected to the inner ring (4). The active turntable (5) is rotatably connected to the inner ring (4), and the driven turntable (6) is fixedly connected to the inner ring (4).

2. A rotary closing gate according to claim 1, characterized in that, A number of ball screws are provided between the two adjacent surfaces of the active turntable (5) and the driven turntable (6) to assist their relative rotation. Similarly, a number of ball screws are provided between the outer edge of the active turntable (5) and the inner wall of the outer hoop (1) to assist its relative rotation to the outer hoop (1).

3. A rotary closing gate according to claim 1, characterized in that, The active slide groove (501) is a straight groove on the active turntable (5) that is opened radially, and the driven slide groove (601) is an arc-shaped groove on the driven turntable (6) that is opened centrifugally.

4. A rotary closing gate according to claim 3, characterized in that, The valve plate (8) is provided with several ball screws on both sides to assist it in rotating relative to the bottom cover (3) and the driven turntable (6).

5. A rotary closing gate according to any one of claims 1-4, characterized in that, The telescopic mechanism (7) includes a hydraulic cylinder (701), a drive block (702), and a rotating support (703). The output end of the hydraulic cylinder (701) is fixedly mounted on the active turntable (5) through the drive block (702), and the other end is rotatably connected to the inner wall of the outer hoop (1) through the rotating support (703).

6. A rotary closing gate according to claim 5, characterized in that, A sealing outer ring (101) is provided at the connection between the outer hoop (1) and the upper cover (2), and a sealing inner ring (401) is provided at the connection between the inner ring (4) and the upper cover (2). A rubber sealing ring (402) is provided at the end of the inner ring (4) near the valve plate (8).

7. A rotary closing gate according to claim 6, characterized in that, Several of the valve plates (8) are made of thickened aluminum alloy.

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