Quick opening and closing structure of valve

Abstract

The utility model belongs to valve opening and closing technical field especially relates to a quick opening and closing structure of valve, include: opening and closing box and valve body, the inner chamber rotation of valve body is provided with the valve core rotation axis for driving the rotation of valve core, the top of valve core rotation axis penetrates the bottom of opening and closing box and extends to its inner chamber, gear rotation is arranged at the inner chamber center place of opening and closing box with valve core rotation axis fixed, is used for driving valve core rotation axis rotation, two groups of toothed plate, slidingly set up in the inner chamber both ends of opening and closing box with gear engagement, is used for driving gear rotation, support cylinder, sets up in the both sides of opening and closing box, the inner chamber swing of support cylinder is provided with the connecting rod for driving toothed plate movement, be provided with the elastic member for driving connecting rod movement on support cylinder, compared with prior art, the utility model realizes the quick closing of valve core, thereby blocks gas, fluid medium leakage, avoids the occurrence of safety accident.

Description

Technical Field

[0001] This utility model belongs to the field of valve opening and closing technology, and particularly relates to a valve quick opening and closing structure. Background Technology

[0002] Valves are control components in fluid transport systems, used to regulate the flow rate, pressure, direction, or cut off the flow of media in pipelines. They achieve their function by changing the cross-sectional area or flow direction of the channel and are commonly found in water supply and drainage, chemical, petroleum, and power industries. Opening and closing operations are used to open the valve to allow the media to flow when needed or to close the valve to stop the flow of media during maintenance, repair, or safety protection. At the same time, the flow rate can be controlled by adjusting the opening degree to meet process requirements.

[0003] Chinese patent publication number 202121500070.5 discloses a quick-opening and closing valve, comprising a valve body, a protective cover welded to the upper end of the valve body, an installation box inside the protective cover, a cover bolted to the upper end of the installation box, an air pump at the upper end of the cover, an air pipe at the air pump outlet, a solenoid valve and a manual adjustment valve sequentially mounted on the surface of the air pipe, one end of the air pipe penetrating the surface of the valve body and connecting to the interior of the valve body, and the other end of the air pipe connected to a fixing plate, an air bladder fitted on the surface of the fixing plate, and the air inlet of the air bladder being fixedly connected to the surface of the air pipe. This quick-opening and closing valve has a simple and reasonable structure, a novel design, and is easy and convenient to operate, enabling effective and rapid opening and closing, and has high practical value.

[0004] However, existing technologies have the following problems when used: Existing valves that rely on electric power often lose their opening and closing power in the event of a sudden power outage, making it impossible to quickly close the valve core and easily leading to safety accidents such as fluid leakage. Utility Model Content

[0005] The purpose of this utility model is to address the aforementioned technical problems by providing a quick-opening and closing structure for a valve, comprising: The opening and closing box and the valve body are provided. The valve body is rotatably provided with a valve core shaft for driving the valve core to rotate. The top end of the valve core shaft passes through the bottom of the opening and closing box and extends into its inner cavity. The gear is rotatably located at the center of the inner cavity of the opening and closing box and is fixed to the valve core shaft, and is used to drive the valve core shaft to rotate. Two sets of toothed plates are slidably disposed at both ends of the inner cavity of the opening and closing box and mesh with the gear to drive the gear to rotate; A support cylinder is provided on both sides of the opening and closing box. The inner cavity of the support cylinder is movably provided with a connecting rod for driving the toothed plate to move. The support cylinder is provided with an elastic element for driving the connecting rod to move. The mounting box is located on one side of the opening and closing box, and a positioning component for limiting the position of the connecting rod is slidably mounted on the mounting box. An electromagnet is fixedly installed at the top of the inner cavity of the mounting box to limit the movement of the connecting rod in conjunction with the positioning assembly.

[0006] Furthermore, a movable part is fixedly provided at one end of the toothed plate, and the movable part is fixedly connected to the connecting rod.

[0007] Furthermore, the elastic element includes a spring, and a movable block is slidably connected to the inner cavity of the support cylinder. One side of the movable block is fixedly disposed with a connecting rod, and the spring is fixedly disposed between the inner cavity of the support cylinder and the other side of the movable block.

[0008] Furthermore, a limiting ring is fixedly connected to the inner cavity of the support cylinder, and the limiting ring is used in conjunction with the movable block.

[0009] Furthermore, a movable plate is slidably disposed on the lower side of the inner cavity of the mounting box, and a magnet block is fixedly connected to the top of the movable plate, the magnet block being adapted to an electromagnet.

[0010] Furthermore, the positioning assembly includes a lifting plate and two sets of positioning rods. The moving plate is provided with a transmission component for driving the lifting plate to slide longitudinally. The two sets of positioning rods are fixedly connected to both ends of the lifting plate. The side wall of the connecting rod is provided with positioning holes that are adapted to the positioning rods.

[0011] Furthermore, the transmission component includes a push rod, which is fixedly connected to the bottom of the movable plate. The bottom end of the push rod passes through the inner cavity of the mounting box and is fixed to the lifting plate.

[0012] A handle is fixedly connected to the side wall of the lifting plate, and a counterweight is fixedly connected to the middle of the bottom of the lifting plate.

[0013] Furthermore, a knob is rotatably mounted on the top of the opening and closing box, and the knob is fixedly connected to a gear via a connecting rod.

[0014] Furthermore, flanges are fixedly connected to both ends of the valve body.

[0015] Compared with the prior art, the quick-opening and closing structure of the valve described in this utility model has the following advantages: 1. In the event of a sudden power outage or circuit failure, the electromagnet loses its electromagnetic force, the positioning component releases its limit on the connecting rod, the elastic element releases its elastic potential energy and drives the connecting rod to move. The connecting rod drives the gear plate linkage gear and the valve core shaft to rotate, thereby achieving rapid closure of the valve core, thus blocking the leakage of gas, fluid and other media and avoiding safety accidents.

[0016] 2. The electromagnet and the magnetic block in the positioning component, along with the gravity assistance of the counterweight, ensure the stability of the connecting rod limit when energized and enhance the timeliness and reliability of unlocking when the power is off.

[0017] 3. The knob and handle design provides a convenient way to reset the valve and operate it manually, improving the applicability and safety of the structure. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a structural diagram of the opening and closing box of this utility model; Figure 3 This is a cross-sectional structural diagram of the opening and closing box of this utility model; Figure 4 This is a structural diagram of the opening and closing box of this utility model after it is started.

[0019] The markings in the diagram are as follows: 100. Opening / closing box; 110. Gear; 111. Knob; 120. Gear plate; 121. Moving part; 130. Support cylinder; 131. Limit ring; 132. Spring; 140. Moving block; 141. Connecting rod; 142. Positioning hole; 150. Through hole; 200. Valve body; 210. Flange; 220. Valve core shaft; 300. Mounting box; 310. Electromagnet; 320. Moving plate; 321. Push rod; 330. Magnet block; 340. Lifting plate; 341. Positioning rod; 342. Handle; 343. Counterweight. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0021] It should be noted that all directional and positional terms used in this utility model, such as "up," "down," "left," "right," "front," "back," "vertical," "horizontal," "inner," "outer," "top," "lower," "lateral," "longitudinal," and "center," are only used to explain the relative positional relationships and connection arrangements between components in a specific state (as shown in the accompanying drawings). They are merely for the convenience of describing this utility model and do not require that this utility model be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, descriptions involving "first," "second," etc., in this utility model are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.

[0022] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0024] like Figures 1-4 As shown, a quick-opening and closing structure for a valve includes: The opening and closing box 100 and the valve body 200 are provided. The valve body 200 is rotatably provided with a valve core shaft 220 for driving the valve core to rotate. The top end of the valve core shaft 220 passes through the bottom of the opening and closing box 100 and extends into its inner cavity. Gear 110 is rotatably disposed at the center of the inner cavity of the opening and closing box 100 and fixed to the valve core shaft 220, and is used to drive the valve core shaft 220 to rotate. Two sets of toothed plates 120 are slidably disposed at both ends of the inner cavity of the opening and closing box 100 and mesh with the gear 110 to drive the gear 110 to rotate. Support cylinder 130 is provided on both sides of opening and closing box 100. The inner cavity of support cylinder 130 is movably provided with connecting rod 141 for driving toothed plate 120 to move. Support cylinder 130 is provided with elastic element for driving connecting rod 141 to move. Mounting box 300 is located on one side of opening and closing box 100, and a positioning component for limiting the connecting rod 141 is slidably mounted on mounting box 300. Electromagnet 310 is fixedly installed at the top of the inner cavity of the mounting box 300, and is used to limit the position of the connecting rod 141 in conjunction with the positioning assembly.

[0025] As a preferred example of this utility model, the valve core shaft 220 is used to drive the valve core to rotate, and the gear 110 meshes with two sets of toothed plates 120, so that when the toothed plates 120 move, they can drive the gear 110 and the valve core shaft 220 to rotate. The connecting rod 141, which moves within the inner cavity of the support cylinder 130, is used to drive the toothed plates 120 to move. The elastic element on the support cylinder 130 provides a power source for the connecting rod 141. The mounting box 300 on one side of the opening and closing box 100 integrates a positioning component, which can limit the connecting rod 141. With the help of the electromagnet 310, the connecting rod 141 can be quickly unlocked. When a power failure occurs, the electromagnet 310 loses its electromagnetic force and releases the positioning component. At this time, the connecting rod 141 loses its limit and is driven to move by the elastic element. The connecting rod 141 drives the toothed plates 120 to move and drives the gear 110 and the valve core shaft 220 to rotate, thereby achieving rapid closure of the valve core.

[0026] In the example of this application, a movable part 121 is fixedly provided at one end of the toothed plate 120, and the movable part 121 is fixedly connected to the connecting rod 141.

[0027] As a preferred example of this utility model, the pushing force of the connecting rod 141 is transmitted to the toothed plate 120 through the moving part 121. The toothed plate 120 is L-shaped after being fixed with the moving part 121, which facilitates the movement of the connecting rod 141 and its meshing with the gear 110, ensuring that the toothed plate 120 always remains meshed with the gear 110 during the sliding process. Specifically, through holes 150 are provided on both sides of the opening and closing box 100 to ensure the movement of the connecting rod 141.

[0028] In the example of this application, the elastic element includes a spring 132, and a movable block 140 is slidably connected to the inner cavity of the support cylinder 130. One side of the movable block 140 is fixedly disposed with the connecting rod 141, and the spring 132 is fixedly disposed between the inner cavity of the support cylinder 130 and the other side of the movable block 140.

[0029] As a preferred example of this utility model, the elastic element adopts a combination structure of spring 132 and movable block 140. Spring 132 can store elastic potential energy by compression, and the elastic force generated when released will push movable block 140 to slide smoothly along support cylinder 130, thereby driving connecting rod 141 and toothed plate 120 to move.

[0030] In the example of this application, a limiting ring 131 is fixedly connected to the inner cavity of the support cylinder 130, and the limiting ring 131 is used in conjunction with the movable block 140.

[0031] As a preferred example of this utility model, the limiting ring 131 fixedly connected to the inner cavity of the support cylinder 130 cooperates with the movable block 140. The limiting ring 131 physically blocks the movement of the movable block 140, preventing the movable block 140 from over-compressing the spring 132, and can control the movement distance of the toothed plate 120, so that the positioning assembly can limit the connecting rod.

[0032] In the example of this application, a movable plate 320 is slidably disposed on the lower side of the inner cavity of the mounting box 300, and a magnet block 330 is fixedly connected to the top of the movable plate 320. The magnet block 330 is adapted to the electromagnet 310.

[0033] As a preferred example of this utility model, when the electromagnet 310 is energized, it generates an electromagnetic force that attracts the magnet block 330, thereby limiting the movable plate 320 to the upper end of the inner cavity of the mounting box 300.

[0034] In the example of this application, the positioning component includes a lifting plate 340 and two sets of positioning rods 341. The moving plate 320 is provided with a transmission component for driving the lifting plate 340 to slide longitudinally. The two sets of positioning rods 341 are fixedly connected to both ends of the lifting plate 340. The side wall of the connecting rod 141 is provided with positioning holes 142 that are adapted to the positioning rods 341.

[0035] As a preferred example of this utility model, the transmission component on the movable plate 320 can drive the lifting plate 340 to slide longitudinally. Two sets of positioning rods 341 are symmetrically fixed at both ends of the lifting plate 340 and are adapted to the positioning holes 142 opened on the side wall of the connecting rod 141. When a limit is required, the movable plate 320 drives the lifting plate 340 to move longitudinally through the transmission component. The lifting plate 340 drives the two sets of positioning rods 341 to move synchronously into the corresponding positioning holes 142 to fix the connecting rod 141. When unlocking, the lifting plate 340 descends and drives the positioning rods 341 to disengage from the positioning holes 142.

[0036] In the example of this application, the transmission component includes a push rod 321, which is fixedly connected to the bottom of the movable plate 320. The bottom end of the push rod 321 passes through the inner cavity of the mounting box 300 and is fixed to the lifting plate 340.

[0037] As a preferred example of this utility model, power is transmitted through push rod 321, which transmits the lifting force of moving plate 320 to lifting plate 340.

[0038] In the example of this application, a handle 342 is fixedly connected to the side wall of the lifting plate 340, and a counterweight 343 is fixedly connected to the middle of the bottom of the lifting plate 340.

[0039] As a preferred example of this utility model, the lifting plate 340 can be moved directly by the handle 342 to achieve manual limiting and unlocking of the positioning rod 341, while the counterweight block 343 at the bottom center of the lifting plate 340 uses gravity to assist the lifting plate 340 to move downward quickly when the power is off.

[0040] In the example of this application, a knob 111 is rotatably provided on the top of the opening and closing box 100, and the knob 111 is fixedly connected to the gear 110 via a connecting rod.

[0041] As a preferred example of this utility model, the operator can rotate the knob 111, which drives the gear 110 to rotate via the connecting rod, thereby driving the valve core shaft 220 to rotate and reset the valve.

[0042] In the example of this application, flanges 210 are fixedly connected to both ends of the valve body 200.

[0043] As a preferred example of this utility model, the flange 210, through a bolted connection, can form a tight sealing surface between the valve body 200 and the pipeline.

[0044] In practical use, when energized, the electromagnet 310 generates electromagnetic force to attract the magnet block 330, causing the moving plate 320 to move upward. The moving plate 320, through the push rod 321, drives the lifting plate 340 upward, causing the positioning rod 341 to insert into the positioning hole 142 and limit the connection rod 141. At this time, the spring 132 is in a compressed state. When the power is off, the electromagnet 310 loses its electromagnetic force, and under the gravity of the counterweight 343, the lifting plate 340 moves downward, causing the positioning rod 341 to disengage from the positioning hole 142. The spring 132 pushes the movable block 140 to slide along the support cylinder 130. The connecting rod 141 moves, and the connecting rod 141 drives the toothed plate 120 to slide through the moving part 121. The toothed plate 120 drives the gear 110 to rotate, and the gear 110 drives the valve core shaft 220 to rotate, thereby closing the valve core. When the valve needs to be reset, the knob 111 can be rotated, which drives the gear 110 to rotate through the connecting rod, thereby driving the valve core shaft 220 to rotate. Then, the electromagnet 310 is energized, and the lifting plate 340 is driven to move upward through the handle 342, so that the positioning rod 341 is re-inserted into the corresponding positioning hole 142, completing the limit fixation of the connecting rod 141 and realizing the reset and locking of the valve.

[0045] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A quick-opening and closing structure for a valve, characterized in that, include: The valve body (200) has an opening and closing box (100) and a valve body (200). The valve body (200) is rotatably provided with a valve core shaft (220) for driving the valve core to rotate. The top end of the valve core shaft (220) passes through the bottom of the opening and closing box (100) and extends into its inner cavity. The gear (110) is rotatably located at the center of the inner cavity of the opening and closing box (100) and fixed to the valve core shaft (220) to drive the valve core shaft (220) to rotate. Two sets of toothed plates (120) are slidably disposed at both ends of the inner cavity of the opening and closing box (100) and mesh with the gear (110) to drive the gear (110) to rotate; A support cylinder (130) is provided on both sides of the opening and closing box (100). The inner cavity of the support cylinder (130) is movably provided with a connecting rod (141) for driving the toothed plate (120) to move. An elastic element for driving the connecting rod (141) to move is provided on the support cylinder (130). The mounting box (300) is located on one side of the opening and closing box (100), and a positioning component for limiting the connecting rod (141) is slidably provided on the mounting box (300). An electromagnet (310) is fixedly installed at the top of the inner cavity of the mounting box (300) to cooperate with the positioning assembly to limit the position of the connecting rod (141).

2. The quick-opening and closing structure of a valve according to claim 1, characterized in that, One end of the toothed plate (120) is fixedly provided with a movable part (121), and the movable part (121) is fixedly connected to the connecting rod (141).

3. The quick-opening and closing structure of a valve according to claim 1, characterized in that, The elastic element includes a spring (132), and a movable block (140) is slidably connected to the inner cavity of the support cylinder (130). One side of the movable block (140) is fixedly set with the connecting rod (141), and the spring (132) is fixedly set between the inner cavity of the support cylinder (130) and the other side of the movable block (140).

4. The quick-opening and closing structure of a valve according to claim 3, characterized in that, The inner cavity of the support cylinder (130) is fixedly connected to a limiting ring (131), which is used in conjunction with the movable block (140).

5. The quick-opening and closing structure of a valve according to claim 1, characterized in that, A movable plate (320) is slidably disposed on the lower side of the inner cavity of the mounting box (300), and a magnet block (330) is fixedly connected to the top of the movable plate (320). The magnet block (330) is adapted to the electromagnet (310).

6. The quick-opening and closing structure of a valve according to claim 5, characterized in that, The positioning assembly includes a lifting plate (340) and two sets of positioning rods (341). The moving plate (320) is provided with a transmission component for driving the lifting plate (340) to slide longitudinally. The two sets of positioning rods (341) are fixedly connected to both ends of the lifting plate (340). The side wall of the connecting rod (141) is provided with positioning holes (142) that are adapted to the positioning rods (341).

7. The quick-opening and closing structure of a valve according to claim 6, characterized in that, The transmission component includes a push rod (321), which is fixedly connected to the bottom of the moving plate (320). The bottom end of the push rod (321) passes through the inner cavity of the mounting box (300) and is fixed to the lifting plate (340).

8. The quick-opening and closing structure of a valve according to claim 6, characterized in that, A handle (342) is fixedly connected to the side wall of the lifting plate (340), and a counterweight (343) is fixedly connected to the middle of the bottom of the lifting plate (340).

9. The quick-opening and closing structure of a valve according to claim 1, characterized in that, The top of the opening and closing box (100) is rotatably equipped with a knob (111), which is fixedly connected to the gear (110) via a connecting rod.

10. The quick-opening and closing structure of a valve according to claim 1, characterized in that, Flanges (210) are fixedly connected to both ends of the valve body (200).

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