Combined valve ball

Abstract

The utility model relates to the technical field of valves, and discloses a combined valve ball which comprises a first hemisphere and a second hemisphere, dismounting grooves are formed in the top of the first hemisphere and the top of the second hemisphere, dismounting columns are arranged in the dismounting grooves, pull rods penetrate through the dismounting columns and are in sliding connection with the dismounting columns, open grooves penetrate through the two sides of the dismounting columns and are in sliding connection with the pull rods, and the open grooves are in sliding connection with the pull rods. Two open grooves are formed in the first hemisphere, telescopic plates are arranged in the two open grooves, two limiting grooves are formed in the two sides of each telescopic plate, two movable rods are rotationally connected to the two sides of each pull rod, sliding columns are fixedly connected to the two sides of the other ends of the movable rods, limiting columns are fixedly connected to the outer sides of the telescopic plates, and four containing grooves are formed in the outer side of the first hemisphere. A sealing assembly is arranged on the inner side of the first hemisphere. According to the utility model, the placing groove, the screw, the mounting groove, the spring, the telescopic ring and the sealing ring are mutually matched for working, and the sealing effect when the first hemisphere and the second hemisphere are connected can be effectively enhanced through the sealing assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a combined valve ball. Background Art

[0002] A ball valve generally includes a valve body, a ball is arranged in the valve body, a valve stem for driving the ball to rotate is arranged at the upper end of the valve body, and an axial groove structure connected to the valve stem is arranged on the ball. Generally, the connection between the ball valve and the valve stem is through welding or in the form of a turning handle and a valve ball. This connection method is not very convenient for assembly and disassembly.

[0003] After searching, the existing Chinese patent announcement number is: CN216715281U, which provides a combined valve ball. Before the left ball and the right ball are assembled, the larger end of the lower end of the valve stem is inserted into the connecting shaft groove on the left ball and the right ball to realize the assembly of the ball and the valve stem. The assembly is simple and convenient. The connecting shaft groove with a conical structure with a larger inner side and a smaller outer side can form a limited fixed fit with the valve stem, and the sealing ring in the channel can protect the inner wall of the channel of the ball.

[0004] Although the above patent can realize the assembly of the ball and the valve stem, and the assembly is simple and convenient, the above-mentioned combined valve ball still has the following problems: the installation of the turning handle and the valve ball is unstable, the fixing effect is not good, and it is not easy to disassemble.

[0005] In view of the above problems, a combined valve ball is proposed. Utility Model Content

[0006] The utility model aims to provide a combined valve ball, which solves the problems of unstable installation of the transfer handle and the ball valve ball, poor fixing effect and inconvenience in disassembly in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined valve ball, including a first hemisphere and a second hemisphere, the tops of the first hemisphere and the second hemisphere are both provided with disassembly grooves, disassembly columns are arranged in the disassembly grooves, a pull rod is penetrated and slidably connected in the disassembly columns, both sides of the disassembly columns are penetrated and provided with slots, telescopic plates are arranged in the two slots, two limit grooves are arranged on both sides of the telescopic plates, two movable rods are rotatably connected on both sides of the pull rod, both sides of the other end of the movable rod are fixedly connected with sliding columns, the outer side of the telescopic plate is fixedly connected with the limit column, four placement grooves are arranged on the outer side of the first hemisphere, a sealing assembly is arranged on the inner side of the first hemisphere, a sealing ring is fixedly connected to the inner side of the second hemisphere, slots are arranged on both sides of the disassembly groove, a pull plate is fixedly connected to the top of the pull rod, and a turning handle is fixedly connected to the top of the disassembly column.

[0008] By adopting the above technical solution, the limiting columns on both sides of the disassembly column are inserted into the slots for installation, and the pull rod is limited by the limiting pin to improve stability, thereby facilitating the disassembly and installation of the handlebar and the first hemisphere and the second hemisphere, and the installation effect is better.

[0009] As a further description of the above technical solution: the sealing assembly includes an installation groove, which is arranged on the inner side of the first hemisphere, and a uniformly distributed spring is fixedly connected in the installation groove, and a telescopic ring is fixedly connected to the other end of the spring, and the outer side of the telescopic ring is slidably connected to the inner wall of the installation groove.

[0010] By adopting the above technical solution, the sealing effect when the first hemisphere and the second hemisphere are connected can be effectively enhanced through the sealing component, and the expansion and contraction of the spring can drive the expansion ring to slide in the installation groove, so that the sealing ring and the expansion ring are more closely fitted and the sealing effect is better.

[0011] As a further description of the above technical solution: two rotating shafts are fixedly connected in the slot, and the rotating shafts pass through and are rotatably connected to the movable rod.

[0012] By adopting the above technical solution, the rotating shaft plays a connecting role, making it convenient for the movable rod to rotate around the rotating shaft as the center of the circle.

[0013] As a further description of the above technical solution: the sliding column is arranged in the limiting groove and the outer part of the sliding column is slidably connected to the inner wall of the limiting groove.

[0014] By adopting the above technical solution, the sliding column can slide back and forth in the limiting groove conveniently.

[0015] As a further description of the above technical solution: the first hemisphere and the second hemisphere are penetrated and have a flow opening.

[0016] By adopting the above technical solution, the circulation is facilitated.

[0017] As a further description of the above technical solution: a screw is sleeved in the placement groove and the screw is threadedly connected to the second hemisphere.

[0018] By adopting the above technical solution, screws are passed through the first hemisphere and the second hemisphere for fixation.

[0019] As a further description of the above technical solution: the slot is opened in the first hemisphere and the second hemisphere, and the inner wall of the slot is slidably connected to the outside of the limiting column.

[0020] By adopting the above technical solution, the limiting column is inserted into the slot for limiting.

[0021] As a further description of the above technical solution: the top of the pull rod is penetrated and opened with evenly distributed limiting holes, and the limiting pins are slidably connected in the limiting holes.

[0022] By adopting the above technical solution, the pull rod is limited by inserting the limit pin into the limit hole.

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

[0024] 1. The utility model provides a combined valve ball, which first cooperates with a pull rod, a limit column, a movable rod, a limit groove, a telescopic plate, a limit column, a slot, and a limit pin to work together. The limit columns on both sides of the disassembly column are inserted into the slot for installation, and the pull rod is limited by the limit pin to improve stability, thereby facilitating the disassembly and installation of the turning handle and the first hemisphere and the second hemisphere, and the installation effect is better.

[0025] 2. The utility model provides a combined valve ball, which cooperates with each other through the placement groove, screws, installation groove, spring, telescopic ring and sealing ring. The sealing component can effectively enhance the sealing effect when the first hemisphere is connected to the second hemisphere, and the telescopic ring can be driven to slide in the installation groove through the expansion and contraction of the spring, so that the sealing ring and the telescopic ring are more closely fitted and the sealing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the installation of a disassembly column of the utility model;

[0028] Figure 3 This is a schematic diagram of the internal structure of the disassembly column of the utility model;

[0029] Figure 4 It is a schematic diagram of the structure of the first hemisphere and the second hemisphere of the utility model.

[0030] In the figure: 1. first hemisphere; 2. second hemisphere; 3. disassembly groove; 4. disassembly column; 5. rotating shaft; 6. slot; 7. telescopic plate; 8. limit groove; 9. movable rod; 10. sliding column; 11. pull rod; 12. limit column; 13. flow port; 14. placement groove; 15. screw; 16. installation groove; 17. spring; 18. telescopic ring; 19. slot; 20. sealing ring; 21. limit pin; 22. limit hole; 23. pull plate; 24. turning handle. DETAILED DESCRIPTION

[0031] The following will refer to 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 of 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.

[0032] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0033] Reference Figure 1 and Figure 3 The utility model discloses a combined valve ball, including a first hemisphere 1 and a second hemisphere 2. The first hemisphere 1 and the second hemisphere 2 are both provided with a disassembly groove 3 on the top, which is convenient for installation with a rotating handle 24. A disassembly column 4 is provided in the disassembly groove 3, and a pull rod 11 is penetrated and slidably connected in the disassembly column 4. Slots 6 are penetrated and provided on both sides of the disassembly column 4, and the slots 6 can facilitate the extension of the telescopic plate 7 and the limit column 12 from the disassembly column 4. The two slots 6 are both provided with telescopic plates 7, which play a connecting effect. Two limit grooves 8 are provided on both sides of the telescopic plate 7, which play a limiting effect. The pull rod There are two movable rods 9 rotatably connected on both sides of 11, and the movable rods 9 play a connecting role. The other ends of the movable rods 9 are fixedly connected with sliding columns 10 on both sides. The outer side of the telescopic plate 7 is fixedly connected to the limiting column 12. Four placement grooves 14 are opened on the outer side of the first hemisphere 1 to facilitate the installation of screws 15. A sealing assembly is arranged on the inner side of the first hemisphere 1, and a sealing ring 20 is fixedly connected to the inner side of the second hemisphere 2 to improve the sealing effect. Slots 19 are opened on both sides of the disassembly groove 3 to play a limiting role. A pull plate 23 is fixedly connected to the top of the pull rod 11 to facilitate the user to pull the pull rod 11. A turning handle 24 is fixedly connected to the top of the disassembly column 4.

[0034] Reference Figure 4 The sealing assembly includes a mounting groove 16, which is arranged on the inner side of the first hemisphere 1. A uniformly distributed spring 17 is fixedly connected in the mounting groove 16. The expansion and contraction of the spring 17 can drive the expansion and contraction of the expansion ring 18 in the mounting groove 16. The other end of the spring 17 is fixedly connected with the expansion ring 18. The expansion ring 18 is made of rubber to improve the sealing performance. The outer side of the expansion ring 18 is slidably connected to the inner wall of the mounting groove 16.

[0035] Reference Figure 2 and Figure 3Two rotating shafts 5 are fixedly connected in the slot 6, and the rotating shaft 5 passes through and is rotatably connected with the movable rod 9, so that the movable rod 9 can rotate with the rotating shaft 5 as the center. The sliding column 10 is arranged in the limiting groove 8 and the outside of the sliding column 10 is slidably connected with the inner wall of the limiting groove 8, so that the sliding column 10 can slide back and forth in the limiting groove 8. The first hemisphere 1 and the second hemisphere 2 pass through and have a flow port 13. The placement groove 14 is sleeved with a screw 15 and the screw 15 is threadedly connected with the second hemisphere 2. The first hemisphere 1 and the second hemisphere 2 are fixed by passing the screw 15. The slot 19 is opened in the first hemisphere 1 and the second hemisphere 2. The inner wall of the slot 19 is slidably connected with the outside of the limiting column 12. The limiting column 12 is inserted into the slot 19 for limiting. The top of the pull rod 11 passes through and has evenly distributed limiting holes 22, and the limiting pin 21 is slidably connected in the limiting hole 22.

[0036] Working principle: When working, align the first hemisphere 1 and the second hemisphere 2, align the sealing ring 20 with the installation groove 16, and then pass the screw 15 through the first hemisphere 1 and the second hemisphere 2 to thread and fix them. At this time, the sealing ring 20 squeezes the telescopic ring 18, and the telescopic ring 18 squeezes the spring 17. The expansion and contraction of the spring 17 can drive the telescopic ring 18 to slide in the installation groove 16, so that the sealing ring 20 and the telescopic ring 18 are more closely fitted, and the sealing effect is better. When the turning handle 24 needs to be installed, the turning handle 24 and the disassembly column 4 are inserted into the disassembly groove 3, and then the pull plate 23 is pulled upward to drive the pull rod 11 to move upward, thereby driving the movable rod 9 to swing with the rotating shaft 5 as the center through the pull rod 11, thereby driving the sliding column 10 to slide in the limiting groove 8, and finally driving the telescopic plate 7 to slide out of the slot 6, and the telescopic plate 7 drives the limiting column 12 to extend out of the slot 6 and insert into the slot 19 for fixation, and finally the limiting pin 21 is inserted into the limiting hole 22 to limit the pull rod 11 and improve stability.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined valve ball, comprising a first hemisphere (1) and a second hemisphere (2), characterized in that: The first hemisphere (1) and the second hemisphere (2) are both provided with a disassembly groove (3) at the top, a disassembly column (4) is provided in the disassembly groove (3), a pull rod (11) is passed through and slidably connected in the disassembly column (4), both sides of the disassembly column (4) are passed through and provided with slots (6), both slots (6) are provided with telescopic plates (7), both sides of the telescopic plates (7) are provided with two limit slots (8), both sides of the pull rod (11) are rotatably connected with two movable rods (9), and the movable rods (9) are also provided with a plurality of movable rods (9) at the sides. A sliding column (10) is fixedly connected to both sides of one end, a limiting column (12) is fixedly connected to the outer side of the telescopic plate (7), four placement grooves (14) are provided on the outer side of the first hemisphere (1), a sealing assembly is provided on the inner side of the first hemisphere (1), a sealing ring (20) is fixedly connected to the inner side of the second hemisphere (2), slots (19) are provided on both sides of the disassembly groove (3), a pull plate (23) is fixedly connected to the top of the pull rod (11), and a turning handle (24) is fixedly connected to the top of the disassembly column (4).

2. A combined valve ball according to claim 1, characterized in that: The sealing assembly comprises a mounting groove (16), wherein the mounting groove (16) is arranged on the inner side of the first hemisphere (1), wherein a uniformly distributed spring (17) is fixedly connected in the mounting groove (16), wherein the other end of the spring (17) is fixedly connected to a telescopic ring (18), wherein the outer side of the telescopic ring (18) is slidably connected to the inner wall of the mounting groove (16).

3. A combined valve ball according to claim 1, characterized in that: Two rotating shafts (5) are fixedly connected in the slot (6), and the rotating shafts (5) pass through and are rotatably connected to the movable rod (9).

4. The combined valve ball according to claim 1, characterized in that: The sliding column (10) is arranged in the limiting groove (8) and the outside of the sliding column (10) is slidably connected to the inner wall of the limiting groove (8).

5. The combined valve ball according to claim 1, characterized in that: The first hemisphere (1) and the second hemisphere (2) are penetrated and provided with a flow opening (13).

6. The combined valve ball according to claim 1, characterized in that: A screw (15) is sleeved in the placement groove (14), and the screw (15) is threadedly connected to the second hemisphere (2).

7. The combined valve ball according to claim 1, characterized in that: The slot (19) is provided in the first hemisphere (1) and the second hemisphere (2), and the inner wall of the slot (19) is slidably connected to the outside of the limiting column (12).

8. The combined valve ball according to claim 1, characterized in that: The top of the pull rod (11) is penetrated and provided with evenly distributed limiting holes (22), and the limiting holes (22) are slidably connected with limiting pins (21).

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