Hard-seal high-temperature wear-resistant ball valve

Abstract

The utility model provides a hard sealing high-temperature wear-resisting ball valve, and belongs to the technical field of ball valves. The ball valve can be used for controlling opening and closing of the ball valve; the mounting pipe is fixedly connected to the circumferential surface of the ball valve and can be used for mounting the pull rod in the ball valve; the tubular groove is formed in the mounting tube and can enable the pull rod to move in the ball valve; the pull rod is connected in the tubular groove in a sliding manner and can drive the spherical valve to rotate; the ball valve is fixedly connected to the lower end of the pull rod and can be used for controlling opening and closing of the ball valve; according to one sealing mechanism, when the spherical valve is rotated, a mounting shell can seal the spherical valve under the elastic acting force of a spring, and when the spherical valve is abraded after being used for a long time, leakage of the spherical valve can be effectively avoided; the ball valve can be fixed in the ball valve, and leakage in the ball valve is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball valves, and in particular relates to a hard-sealed high-temperature wear-resistant ball valve. Background Art

[0002] Ball valve, the opening and closing parts are driven by the valve stem and rotate around the axis of the ball valve. It can also be used for fluid regulation and control. The hard-sealed V-type ball valve has a strong shear force between the V-type ball core and the metal valve seat with hard alloy surfacing, which is particularly suitable for media containing fibers, tiny solid particles, etc. The multi-way ball valve can not only flexibly control the confluence, diversion, and flow direction switching of the medium in the pipeline, but also close any channel to connect the other two channels.

[0003] The authorization publication number "CN220505870U" records "a hard-sealed ball valve, specifically relating to the technical field of ball valves; and the utility model includes a ball valve body, a rotating rod connected to the valve core is rotatably provided at the top of the ball valve body, a handle is fixedly provided at the top of the rotating rod, a fixed block is fixedly provided on the upper surface of the ball valve body near the handle, a vertical plate is fixedly provided on the upper surface of the outer wall of the fixed block, a groove is provided inside the vertical plate, a movable plate is provided in the groove for sliding up and down, and connecting rods are fixedly provided at both ends of the upper surface of the movable plate; in the utility model, the rotating wheel drives the rotating shaft to drive the screw rod to rotate, so that the movable plate threadedly inserted on the screw rod moves up, so that the movable plate pushes the two connecting rods to drive the clamping block to move up, so that the clamping groove on the clamping block can clamp the handle, and the handle is clamped in the clamping groove, so as to prevent people from accidentally hitting the handle and causing the ball valve to open, and avoid liquid leakage, so that the ball valve can be used normally."

[0004] The above patent can avoid liquid leakage and allow the ball valve to be used normally. However, in the prior art, when the ball valve is used for a long time, the surface of the ball valve will be worn, which will affect the sealing effect of the ball valve, and further cause leakage between the ball valve and the surface of the ball valve. Utility Model Content

[0005] The utility model aims to provide a hard-sealed, high-temperature, wear-resistant ball valve, aiming to solve the problem in the prior art that long-term use of the ball valve will cause wear on the surface of the ball valve, thereby affecting the sealing effect of the ball valve and causing leakage between the ball valve and the surface of the ball valve.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A hard-sealed high-temperature wear-resistant ball valve, comprising:

[0008] Ball valve;

[0009] A mounting pipe fixedly connected to the circumferential surface of the ball valve;

[0010] A tubular groove is provided in the installation tube;

[0011] A pull rod, slidably connected in the tubular groove;

[0012] A spherical valve fixedly connected to the lower end of the pull rod;

[0013] The sealing mechanism includes four groups, wherein one group of the sealing mechanism includes:

[0014] A limit rod, fixedly connected to the ball valve;

[0015] A mounting frame, slidably connected to the surface of the limiting rod;

[0016] A spring, slidably connected to the surface of the limiting rod;

[0017] The spring piece is fixedly connected between the mounting frame and the ball valve.

[0018] As a preferred solution of the utility model, the upper end of the pull rod is fixedly connected with a cross connecting rod, and the surface of the pull rod is provided with threads.

[0019] As a preferred solution of the utility model, a mounting plate is fixedly connected to the upper end of the mounting tube, four ribs are fixedly connected to the circumferential surface of the mounting tube, and a protective pad is fixedly connected to the upper end of the mounting plate.

[0020] As a preferred solution of the utility model, annular grooves are provided at both ends of the ball valve, and sealing rings are fixedly connected in the two annular grooves.

[0021] As a preferred solution of the utility model, two supporting legs are fixedly connected to the circumferential surface of the ball valve, and the lower ends of the two supporting legs are fixedly connected to a stabilizing plate.

[0022] As a preferred solution of the utility model, the side end of the ball valve is rotatably connected to a butt joint pipe, and a plurality of positioning holes are opened at one end of the butt joint pipe.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] 1. In this solution, when the ball valve is rotated, the mounting shell will seal the ball valve under the elastic force of the spring. When the ball valve is worn out after long-term use, it can effectively prevent the ball valve from leaking. The thread arranged on the surface of the pull rod can fix the ball valve in the ball valve to reduce leakage in the ball valve.

[0025] 2. In this solution, the sealing rings arranged on both sides of the ball valve can be used to increase the sealing performance between the pipeline and the ball valve, the supporting legs arranged on the surface of the ball valve can be used to provide stable support for the ball valve, and the cross connecting rod arranged on the pull rod can be used to rotate the ball valve in the ball valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 This is a first-view stereogram of the utility model;

[0028] Figure 2 This is an exploded view of the utility model;

[0029] Figure 3 It is a cross-sectional view of the ball valve in the utility model;

[0030] Figure 4 It is a partial enlarged view of A in the utility model;

[0031] Figure 5 It is an enlarged view of the shrapnel in the utility model;

[0032] Figure 6 This is a stereoscopic diagram of the utility model from a second viewing angle.

[0033] In the figure: 1. ball valve; 2. butt pipe; 3. positioning hole; 4. support leg; 5. stabilizing plate; 6. sealing ring; 7. protective pad; 8. mounting plate; 9. mounting pipe; 10. rib plate; 11. cross connecting rod; 12. annular groove; 13. ball valve; 14. pull rod; 15. tubular groove; 16. limit rod; 17. spring; 18. mounting frame; 19. mounting shell; 20. spring. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] See also Figure 1-Figure 6 , the utility model provides the following technical solutions:

[0036] A hard-sealed high-temperature wear-resistant ball valve, comprising:

[0037] The ball valve 1 can be used to control the opening and closing of the ball valve 1;

[0038] The mounting tube 9 is fixedly connected to the circumferential surface of the ball valve 1 and can be used to mount the tie rod 14 in the ball valve 1;

[0039] A tubular groove 15 is provided in the mounting tube 9 to enable the pull rod 14 to move in the ball valve 1;

[0040] The pull rod 14 is slidably connected in the tubular groove 15 and can drive the ball valve 13 to rotate;

[0041] The ball valve 13 is fixedly connected to the lower end of the pull rod 14 and can be used to control the opening and closing of the ball valve 1;

[0042] The sealing mechanism includes four groups, wherein one group of the sealing mechanism includes:

[0043] The limiting rod 16 is fixedly connected in the ball valve 1, so that the mounting frame 18 can slide in the ball valve 1;

[0044] The mounting frame 18 is slidably connected to the surface of the limiting rod 16 and can increase the sealing performance between the ball valve 1 and the ball valve 13 by abutting against the ball valve 13;

[0045] The spring 17 is slidably connected to the surface of the limiting rod 16 and can be used to increase the elastic effect of the mounting shell 19;

[0046] The spring piece 20 is fixedly connected between the mounting frame 18 and the ball valve 1 , and can increase the elastic effect of the ball valve 1 and the mounting frame 18 .

[0047] like Figure 2 As shown, the upper end of the pull rod 14 is fixedly connected with a cross connecting rod 11, which can be used to drive the ball valve 13 to rotate. The surface of the pull rod 14 is provided with a thread, and the cross connecting rod 11 can be fixedly installed in the ball valve 1.

[0048] like Figure 2 As shown, the upper end of the mounting tube 9 is fixedly connected with a mounting plate 8, which can be used to fix and install the ball valve 1. The circumferential surface of the mounting tube 9 is fixedly connected with four ribs 10, which can increase the firmness of the mounting tube 9 on the surface of the ball valve 1. The upper end of the mounting plate 8 is fixedly connected with a protective pad 7, which can be used to protect the surface of the mounting plate 8.

[0049] like Figure 2 As shown, both ends of the ball valve 1 are provided with annular grooves 12, which can be used to install the sealing ring 6. The two annular grooves 12 are fixedly connected with the sealing ring 6, which can effectively increase the sealing performance of the ball valve 1 and the pipeline.

[0050] like Figure 2As shown, two support legs 4 are fixedly connected to the circumferential surface of the ball valve 1, which can be used to stably support the ball valve 1. The lower ends of the two support legs 4 are fixedly connected with a stabilizing plate 5, which can facilitate the placement of the ball valve 1.

[0051] like Figure 2 As shown, the side end of the ball valve 1 is rotatably connected with a butt joint 2, which can be used to open the space inside the ball valve 1. One end of the butt joint 2 is provided with a plurality of positioning holes 3, which can be used to connect the ball valve 1 to a pipeline.

[0052] The working principle and use process of the utility model are as follows: when the ball valve 13 is rotated, the mounting shell 19 will seal the ball valve 13 under the elastic force of the spring 17. When the ball valve 13 is worn out during long-term use, it can effectively prevent the ball valve 1 from leaking. The thread arranged on the surface of the pull rod 14 can fix the ball valve 13 in the ball valve 1, reducing leakage in the ball valve 1.

[0053] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A hard-sealed high-temperature wear-resistant ball valve, characterized in that: include: Ball valve (1); A mounting pipe (9) fixedly connected to the circumferential surface of the ball valve (1); A tubular groove (15) is provided in the mounting tube (9); A pull rod (14) slidably connected in the tubular groove (15); A spherical valve (13) fixedly connected to the lower end of the pull rod (14); The sealing mechanism includes four groups, wherein one group of the sealing mechanism includes: A limit rod (16) fixedly connected to the ball valve (1); A mounting frame (18) slidably connected to the surface of the limiting rod (16); A spring (17) is slidably connected to the surface of the limiting rod (16); The spring piece (20) is fixedly connected between the mounting frame (18) and the ball valve (1).

2. A hard-sealed high-temperature wear-resistant ball valve according to claim 1, characterized in that: The upper end of the pull rod (14) is fixedly connected to a cross connecting rod (11), and the surface of the pull rod (14) is provided with threads.

3. A hard-sealed high-temperature wear-resistant ball valve according to claim 2, characterized in that: The upper end of the mounting tube (9) is fixedly connected to a mounting plate (8), the circumferential surface of the mounting tube (9) is fixedly connected to four ribs (10), and the upper end of the mounting plate (8) is fixedly connected to a protective pad (7).

4. A hard-sealed high-temperature wear-resistant ball valve according to claim 3, characterized in that: Both ends of the ball valve (1) are provided with annular grooves (12), and sealing rings (6) are fixedly connected in the two annular grooves (12).

5. A hard-sealed high-temperature wear-resistant ball valve according to claim 4, characterized in that: Two supporting legs (4) are fixedly connected to the circumferential surface of the ball valve (1), and the lower ends of the two supporting legs (4) are fixedly connected to a stabilizing plate (5).

6. A hard-sealed high-temperature wear-resistant ball valve according to claim 5, characterized in that: The side end of the ball valve (1) is rotatably connected to a butt joint pipe (2), and one end of the butt joint pipe (2) is provided with a plurality of positioning holes (3).

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