Forged metal hard sealing fixed ball valve

Abstract

The utility model discloses a forged metal hard seal fixed ball valve, which relates to the technical field of fixed ball valves, and comprises a valve body, a movable disc and a valve seat, a valve cover is arranged above the valve body through a bolt, a rotating disc is arranged at the top end of the valve cover, a movable rod is connected below the rotating disc, the movable disc is movably arranged at the top end of the valve cover, and the movable rod is connected with the movable disc. And a first reset spring is installed on the outer wall of the movable rod above the movable disc, a driving rod is installed on the inner side of the valve cover below the movable rod, a ball body is connected to the lower portion of the driving rod, the portion, outside the driving rod, in the valve body is filled with filler, and valve seats are installed at the four corners of the ball body correspondingly. According to the ball valve, the sealing performance between the ball body and the valve body is achieved through the valve seat, the valve seat can make contact with the ball body more tightly through the elasticity of the damper and the second reset spring, the sealing performance is better, and the problem that the sealing effect is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed ball valves, in particular to a forged metal hard-sealed fixed ball valve. Background Technique

[0002] Valves can control the flow rate of fluids by adjusting the opening degree to achieve precise control and regulation of liquids or gases. In water pipes, by opening or closing the valve, the size and speed of the water flow can be controlled. The fixed ball valve is a new generation of high-performance ball valves, suitable for long-distance pipelines and general industrial pipelines. Its strength, safety, and resistance to harsh environments have been specially considered during design and are suitable for various corrosive and non-corrosive media. Currently, there is an easy occurrence of gaps between the valve seat and the ball, resulting in poor sealing performance. Moreover, when the ball rotates by rotating the turntable, it is easy to have misoperations that cause the turntable to rotate, leading to the opening of the ball valve and causing certain losses. In view of this, in response to the above problems, in-depth research has led to the generation of this case. Content of the Utility Model

[0003] The purpose of the utility model is to provide a forged metal hard-sealed fixed ball valve to solve the problems of the existing forged metal hard-sealed fixed ball valve not having anti-misoperation and good sealing performance mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A forged metal hard-sealed fixed ball valve, including a valve body, a movable disk, and a valve seat. A valve cover is installed above the valve body through bolts. A rotating disk is installed at the top of the valve cover, and a movable rod is connected below the rotating disk. A movable disk is movably installed at the top of the valve cover, and a first return spring is installed on the outer wall of the movable rod above the movable disk. A driving rod is installed inside the valve cover below the movable rod, and a ball is connected below the driving rod. Packing is filled inside the valve body outside the driving rod. Valve seats are installed at the four corners of the ball.

[0005] Preferably, dampers are evenly installed on the outer wall of one side of the valve seat, and second return springs are installed on the outer walls of the dampers.

[0006] Preferably, positioning grooves are provided on both sides of the top of the movable disk, and positioning blocks are connected to both sides of the bottom of the rotating disk and are matched with the positioning grooves.

[0007] Preferably, sliding grooves are provided on the inner walls of both sides of the valve cover, and both sides of the outer wall of the movable rod are movably connected to the sliding grooves through sliding rods.

[0008] Preferably, bottom grooves are provided at the bottom ends of the sliding grooves, and the top view of the bottom grooves is arc-shaped.

[0009] Preferably, a clamping groove is provided at the top end of the driving rod, limiting grooves are provided on both inner walls of the clamping groove, and limiting plates matched with the limiting grooves are connected to both sides below the movable rod.

[0010] Preferably, there is a movable groove at the top end of the valve cover, and both sides of the bottom end of the movable disc are movably connected to the movable groove through movable blocks.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] The present utility model is provided with a rotating disc, a sliding rod and a driving rod. By pressing down the rotating disc, the first return spring is compressed and deformed, the positioning block is clamped into the positioning groove, and at the same time, the movable rod is clamped into the clamping groove downward, and at the same time, the limiting plate is clamped into the limiting groove for positioning. And when the movable rod moves downward, the sliding rod moves downward in the sliding groove. After moving to the bottom groove at the lowest position, then rotate the rotating disc, so that the movable rod drives the driving rod to rotate simultaneously, and at the same time, the sliding rod rotates degrees in the bottom groove, and at the same time, the driving rod drives the sphere to rotate degrees, so that the water flows. When it is not opened, the movable rod is away from the driving rod, solving the problem of accidental opening due to misoperation;

[0013] The present utility model is provided with a valve seat, a sphere and a valve body. The valve seat is used to realize the sealing between the sphere and the valve body. Through the telescopic properties of the damper and the second return spring, the valve seat is in closer contact with the sphere, making the sealing performance better and solving the problem of poor sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic cross-sectional structure view of the valve body of the present utility model;

[0015] Figure 2 is a schematic cross-sectional structure view of the driving rod of the present utility model;

[0016] Figure 3 is a schematic top cross-sectional view of the annular bottom groove of the present utility model;

[0017] Figure 4 is the present utility model Figure 1 The enlarged structure view at A in.

[0018] In the figure: 1, sphere; 2, valve body; 3, packing; 4, bottom groove; 5, movable rod; 6, positioning groove; 7, rotating disc; 8, positioning block; 9, first return spring; 10, movable disc; 11, sliding groove; 12, valve cover; 13, clamping groove; 14, sliding rod; 15, limiting plate; 16, driving rod; 17, limiting groove; 18, valve seat; 19, second return spring; 20, damper. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment 1: Please refer to Figures 1-4 , a forged metal hard-sealed fixed ball valve, including a valve body 2, a movable disc 10 and a valve seat 18. A valve cover 12 is installed above the valve body 2 through bolts. A rotating disc 7 is installed at the top end of the valve cover 12, and a movable rod 5 is connected below the rotating disc 7. The movable disc 10 is movably installed at the top end of the valve cover 12, and a first return spring 9 is installed on the outer wall of the movable rod 5 above the movable disc 10. A driving rod 16 is installed inside the valve cover 12 below the movable rod 5, and a sphere 1 is connected below the driving rod 16. Packing 3 is filled inside the valve body 2 outside the driving rod 16. Valve seats 18 are installed at the four corners of the sphere 1;

[0021] Dampers 20 are uniformly installed on the outer walls of one side of the valve seats 18, and second return springs 19 are installed on the outer walls of the dampers 20;

[0022] Specifically, as shown in Figure 1 and Figure 4 , when using this structure, the sealing between the sphere 1 and the valve body 2 is achieved through the valve seat 18. Through the elasticity of the dampers 20 and the second return springs 19, the valve seat 18 contacts the sphere 1 more closely, making the sealing performance better.

[0023] Embodiment 2: Positioning grooves 6 are provided on both sides of the top end of the movable disc 10, and positioning blocks 8 that cooperate with the positioning grooves 6 are connected to both sides of the bottom end of the rotating disc 7;

[0024] Sliding grooves 11 are provided on the inner walls of both sides of the valve cover 12, and both outer walls of the movable rod 5 are movably connected to the sliding grooves 11 through sliding rods 14;

[0025] Bottom grooves 4 are provided at the bottom ends of the sliding grooves 11, and the top view of the bottom grooves 4 is arc-shaped;

[0026] A clamping groove 13 is provided at the top end of the driving rod 16, limiting grooves 17 are provided on the inner walls of both sides of the clamping groove 13, and limiting plates 15 that cooperate with the limiting grooves 17 are connected to both sides below the movable rod 5;

[0027] There is a movable groove at the top end of the valve cover 12, and both sides of the bottom end of the movable disc 10 are movably connected to the movable groove through movable blocks;

[0028] Specifically, as shown in Figure 1 , Figure 2 andFigure 3 As shown, when using this structure, by pressing down the rotary disk 7, the first return spring 9 is compressed and deformed, the positioning block 8 is snapped into the positioning groove 6, at the same time, the movable rod 5 is snapped downward into the clamping groove 13, and at the same time, the limiting plate 15 is snapped into the limiting groove 17 for positioning. And when the movable rod 5 moves downward, the sliding rod 14 moves downward in the sliding groove 11. After moving to the bottom groove 4 at the lowest position, then rotate the rotary disk 7, so that the movable rod 5 drives the driving rod 16 to rotate simultaneously. At the same time, the sliding rod 14 rotates 90° in the bottom groove 4, and at the same time, the driving rod 16 drives the sphere 1 to rotate 90°, so that the water can flow. When it is not opened, the movable rod 5 is away from the driving rod 16 to avoid accidental opening due to misoperation.

[0029] Working principle: When using this device, first, by rotating the sphere 1 by 90°, the through hole of the sphere 1 is aligned with the inlet and outlet water pipes to open the valve body 2. After the sphere 1 rotates reversely by 90°, the valve body 2 closes the water flow.

[0030] Implementation steps of the first innovation point:

[0031] The sealing performance between the sphere 1 and the valve body 2 is realized through the valve seat 18. Through the elasticity of the damper 20 and the second return spring 19, the valve seat 18 is in closer contact with the sphere 1, making the sealing performance better.

[0032] Implementation steps of the second innovation point:

[0033] First step: By pressing down the rotary disk 7, the first return spring 9 is compressed and deformed, the positioning block 8 is snapped into the positioning groove 6, at the same time, the movable rod 5 is snapped downward into the clamping groove 13, and at the same time, the limiting plate 15 is snapped into the limiting groove 17 for positioning. And when the movable rod 5 moves downward, the sliding rod 14 moves downward in the sliding groove 11. After moving to the bottom groove 4 at the lowest position;

[0034] Second step: Then rotate the rotary disk 7, so that the movable rod 5 drives the driving rod 16 to rotate simultaneously. At the same time, the sliding rod 14 rotates 90° in the bottom groove 4, and at the same time, the driving rod 16 drives the sphere 1 to rotate 90°, so that the water can flow. When it is not opened, the movable rod 5 is away from the driving rod 16 to avoid accidental opening due to misoperation.

[0035] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to this process, method, article or device.

[0036] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A forged metal hard-sealed fixed ball valve, comprising a valve body (2), a movable disc (10) and a valve seat (18), characterized in that: A valve cover (12) is mounted on the top of the valve body (2) by means of bolts, a rotating disk (7) is mounted on the top of the valve cover (12), and a movable rod (5) is connected to the bottom of the rotating disk (7), a movable disk (10) is movably mounted on the top of the valve cover (12), and a first return spring (9) is mounted on the outer wall of the movable rod (5) above the movable disk (10), a driving rod (16) is mounted on the inner side of the valve cover (12) below the movable rod (5), and a ball (1) is connected to the bottom of the driving rod (16), the inside of the valve body (2) outside the driving rod (16) is filled with a filler (3), and valve seats (18) are mounted on the four corners of the ball (1).

2. A forged metal hard-sealed fixed ball valve according to claim 1, characterized in that: The outer wall of one side of the valve seat (18) is evenly mounted with a damper (20), and the outer wall of the damper (20) is evenly mounted with a second return spring (19).

3. A forged metal hard-sealed fixed ball valve according to claim 1, characterized in that: Both sides of the top end of the movable disk (10) are provided with positioning grooves (6), and both sides of the bottom end of the rotating disk (7) are connected with positioning blocks (8) that match the positioning grooves (6).

4. A forged metal hard-sealed fixed ball valve according to claim 1, characterized in that: The inner walls on both sides of the valve cover (12) are provided with sliding grooves (11), and the outer walls on both sides of the movable rod (5) are movably connected to the sliding grooves (11) via sliding rods (14).

5. A forged metal hard-sealed fixed ball valve according to claim 4, characterized in that: The bottom end of each of the slide grooves (11) is provided with a bottom groove (4), and the bottom groove (4) is arc-shaped in a top view.

6. The forged metal hard-seal fixed ball valve according to claim 1, characterized in that: The top end of the driving rod (16) is provided with a slot (13), inner walls on both sides of the slot (13) are provided with limit slots (17), and both sides below the movable rod (5) are connected with limit plates (15) that match the limit slots (17).

7. The forged metal hard-seal fixed ball valve according to claim 1, characterized in that: The top end of the valve cover (12) is provided with a movable groove, and both sides of the bottom end of the movable plate (10) are movably connected to the movable groove via movable blocks.

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