Multilayer sealing ball valve

Abstract

The utility model discloses a multi-layer sealing ball valve which comprises a sealing ball valve shell main body, a first mounting flange is welded to the side edge surface of the sealing ball valve shell main body, and a sealing ball valve shell auxiliary body is connected to the outer ring surface of the sealing ball valve shell main body in a limiting and sleeving mode. A limiting assembly is fixedly connected to the upper surface of the sealing ball valve shell auxiliary body, a connecting rod is connected to the surface of an inner ring of the limiting assembly in a limiting mode, an O-shaped ball is fixedly connected to the surface of the bottom of the connecting rod, and a circulation opening is formed in the front surface of the O-shaped ball in a penetrating mode. According to the device, after a user pushes an operating rod, the user can conveniently use and push a connecting rod, after the connecting rod is pushed, the user can push an O-shaped ball, so that the user can conveniently open and close the ball valve, and through a circulation opening formed in the O-shaped ball in a penetrating mode, the ball valve can be conveniently opened and closed. And a user can conveniently open the ball valve, so that the user can conveniently open and close the ball valve.

Description

Technical Field

[0001] The utility model belongs to the technical direction of sealing ball valves, and specifically relates to a multi-layer sealing ball valve. Background Art

[0002] Ball valves, whose opening and closing parts are driven by the valve stem and rotate around the axis of the ball valve, can also be used for fluid regulation and control. Among them, multi-way ball valves can not only flexibly control the confluence, diversion, and flow direction switching of the medium in the pipeline, but also close any channel and connect the other two channels. This type of valve should generally be installed horizontally in the pipeline. Ball valves are divided into pneumatic ball valves, electric ball valves, manual ball valves, etc. according to the driving method. When users use the ball valve, they need to ensure that it has a high sealing performance.

[0003] The existing technology has the following problems:

[0004] 1. The existing sealed ball valves on the market have problems with opening and closing when used by users, and are not convenient for users to install the entire ball valve;

[0005] 2. The existing sealing ball valves on the market are not fully functional when installed and disassembled by the user, which will delay the user's use and maintenance of the internal part of the ball valve. Utility Model Content

[0006] The purpose of the utility model is to provide a multi-layer sealing ball valve for existing devices to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a multi-layer sealing ball valve, comprising a sealing ball valve shell body, a first mounting flange being welded to the side surface of the sealing ball valve shell body, and a sealing ball valve shell sub-body being limitedly sleeved on the outer ring surface of the sealing ball valve shell body.

[0008] The upper surface of the sealing ball valve housing sub-body is fixedly connected to a limit assembly, the inner ring surface of the limit assembly is limit-connected to a connecting rod, the bottom surface of the connecting rod is fixedly connected to an O-type ball, and a flow opening is opened through the front surface of the O-type ball.

[0009] A fixing block is installed on the side surface of the sealing ball valve housing body, a nut is clamped on the side surface of the fixing block, a threaded rod is connected on the inner ring surface of the nut, and a second mounting flange is welded on the side surface of the sealing ball valve housing sub-body.

[0010] The present invention further describes that a first mounting opening is formed on the side surface of the first mounting flange, and the first mounting opening is formed around the first mounting flange as the center point.

[0011] With the above technical solution, the first mounting opening is opened around the first mounting flange as the center point, so that the user can use bolts to perform integral limited installation on the first mounting flange.

[0012] The present invention further describes that the nut is connected to the sealing ball valve housing body through a fixing block, and the fixing block is symmetrically arranged with the vertical center line of the nut as the symmetry axis.

[0013] By adopting the above technical solution, the fixing blocks in the solution are symmetrically arranged with the vertical center line of the nut as the symmetry axis, which can facilitate the user to stably install the nut on the sealing ball valve housing body.

[0014] The present invention further illustrates that an operating rod is fixedly sleeved on the upper surface of the operating rod, and the operating rod is connected to the sealing ball valve housing body through a connecting rod.

[0015] By adopting the above technical solution, the operating rod connected between the connecting rod and the sealing ball valve housing body in this solution can facilitate the user to operate the connecting rod.

[0016] The present invention further describes that a second mounting opening is formed through the front surface of the second mounting flange, and the number of the second mounting openings is multiple.

[0017] By adopting the above technical solution, the second mounting openings in the solution are multiple in number, which can facilitate the user to use and install the second mounting flange with bolts.

[0018] The present invention further illustrates that a limit plate is welded to the outer ring surface of the sealing ball valve housing sub-body, and the limit plate is arranged around the sealing ball valve housing sub-body as the center point.

[0019] By adopting the above technical solution, the limit plate arranged around the sealing ball valve housing sub-body as the center point can facilitate the user to use a threaded rod or the like to limit the connection between the sealing ball valve housing main body and the sealing ball valve housing sub-body.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0021] The utility model provides a multi-layer sealing ball valve, and through the mutual cooperation and use of the sealing ball valve shell body, the first mounting flange, the first mounting opening, the operating rod, the connecting rod, the limiting assembly, the sealing ball valve shell sub-body, the second mounting flange, the second mounting opening, the fixing block, the nut, the limiting plate, the threaded rod, the O-shaped ball and the flow opening, the user can open and close the sealing ball valve smoothly. After the user pushes the operating rod, the user can push the connecting rod conveniently. After the connecting rod is pushed, the user can push the O-shaped ball, so that the user can open and close the ball valve conveniently. The flow opening penetrated by the O-shaped ball can facilitate the user to open the ball valve, so that the user can open and close the ball valve conveniently, meeting the user's demand for convenient opening and closing.

[0022] The utility model provides a multi-layer sealing ball valve, which has a threaded rod and after the user screws the threaded rod, the user only needs to unscrew the threaded rod from the nut, so that the user can conveniently pull out the sealing ball valve housing sub-body on the sealing ball valve housing main body. After the user pulls it out, the user can conveniently use and repair the inside of the ball valve, meeting the user's demand for convenient use and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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:

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a top view of the structure of the utility model;

[0026] Figure 3 It is a side sectional view of the structure of the utility model;

[0027] Figure 4 This utility model Figure 1 A magnified view of the structure at center A;

[0028] Figure 5 It is a bottom view of the structure of the present utility model.

[0029] In the figure: 1. Sealing ball valve housing body; 2. First mounting flange; 3. First mounting opening; 4. Operating lever; 5. Connecting rod; 6. Limit assembly; 7. Sealing ball valve housing sub-body; 8. Second mounting flange; 9. Second mounting opening; 10. Fixing block; 11. Nut; 12. Limit plate; 13. Threaded rod; 14. O-ball; 15. Flow opening. DETAILED DESCRIPTION

[0030] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0031] See also Figure 1-5 The utility model provides a technical solution: a multi-layer sealing ball valve, including a sealing ball valve shell body 1, a first mounting flange 2 is welded to the side surface of the sealing ball valve shell body 1, a sealing ball valve shell sub-body 7 is limitedly sleeved on the outer ring surface of the sealing ball valve shell body 1, and a limiting component 6 is fixedly connected to the upper surface of the sealing ball valve shell sub-body 7.

[0032] In this embodiment, a first mounting opening 3 is provided on the side surface of the first mounting flange 2, and the first mounting opening 3 is opened around the first mounting flange 2 as the center point. The first mounting opening 3 opened around the first mounting flange 2 as the center point can facilitate the user to use bolts to perform a limited installation on the first mounting flange 2 as a whole. The nut 11 is connected between the fixing block 10 and the sealing ball valve housing body 1, and the fixing block 10 is symmetrically arranged with the vertical center line of the nut 11 as the axis of symmetry. The fixing block 10 symmetrically arranged with the vertical center line of the nut 11 as the axis of symmetry can facilitate the user to stably install the nut 11 on the sealing ball valve housing body 1.

[0033] like Figure 1-5 As shown, based on Example 1, the utility model provides a technical solution: preferably, the inner ring surface of the limiting component 6 is limitedly connected to the connecting rod 5, the bottom surface of the connecting rod 5 is fixedly connected to the O-type ball 14, and the front surface of the O-type ball 14 is penetrated by a flow opening 15.

[0034] In this embodiment, the upper surface of the operating rod 4 is fixedly sleeved with the operating rod 4, and the operating rod 4 is connected to the sealing ball valve housing body 1 through the connecting rod 5. The operating rod 4 connected between the connecting rod 5 and the sealing ball valve housing body 1 can facilitate the user to use and operate the connecting rod 5. A second mounting opening 9 is opened through the front surface of the second mounting flange 8, and there are multiple second mounting openings 9. The multiple second mounting openings 9 can facilitate the user to use and install the second mounting flange 8 with bolts.

[0035] like Figure 1-5As shown, based on Example 1, the utility model provides a technical solution: preferably, a fixing block 10 is installed on the side surface of the sealing ball valve housing body 1, and a nut 11 is clamped on the side surface of the fixing block 10, and a threaded rod 13 is limitedly connected to the inner ring surface of the nut 11, and a second mounting flange 8 is welded to the side surface of the sealing ball valve housing sub-body 7.

[0036] In this embodiment, a limit plate 12 is welded to the outer ring surface of the sealing ball valve housing sub-body 7, and the limit plate 12 is arranged around the sealing ball valve housing sub-body 7 as the center point. The limit plate 12 arranged around the sealing ball valve housing sub-body 7 as the center point can facilitate the user to use a threaded rod 13 to limit the connection between the sealing ball valve housing main body 1 and the sealing ball valve housing sub-body 7.

[0037] like Figure 1-5 As shown, after the user pushes the operating rod 4, the user can push the connecting rod 5 for convenient use. After the connecting rod 5 is pushed, the user can push the O-type ball 14, so that the user can conveniently open and close the ball valve, and through the flow opening 15 opened through the O-type ball, the user can easily open the ball valve, so that the user can conveniently open and close the ball valve, so that the user can conveniently open and close it. Through the provided threaded rod 13 and after the user screws the threaded rod 13, the user needs to unscrew the threaded rod 13 on the nut 11, so that the user can conveniently pull out the sealing ball valve housing sub-body 7 on the sealing ball valve housing main body 1. After the user pulls it out, the user can conveniently use and inspect the inside of the ball valve, so that the user can conveniently use and inspect it.

[0038] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0039] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions 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 will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A multi-layer sealing ball valve, comprising a sealing ball valve housing body (1), characterized in that: A first mounting flange (2) is welded to the side surface of the sealing ball valve housing body (1), and a sealing ball valve housing auxiliary body (7) is sleeved in a limited manner on the outer ring surface of the sealing ball valve housing body (1); The upper surface of the sealing ball valve housing sub-body (7) is fixedly connected to a limit assembly (6), the inner ring surface of the limit assembly (6) is limit-connected to a connecting rod (5), and the bottom surface of the connecting rod (5) is fixedly connected to an O-type ball (14); A flow opening (15) is provided through the front surface of the O-type ball (14); a fixing block (10) is installed on the side surface of the sealing ball valve housing body (1); a nut (11) is positioned and clamped on the side surface of the fixing block (10); a threaded rod (13) is positioned and connected to the inner ring surface of the nut (11); and a second mounting flange (8) is welded to the side surface of the sealing ball valve housing sub-body (7).

2. A multi-layer sealing ball valve according to claim 1, characterized in that: A first mounting opening (3) is provided on the side surface of the first mounting flange (2), and the first mounting opening (3) is opened around the first mounting flange (2) as a center point.

3. The multi-layer sealing ball valve according to claim 1, characterized in that: The nut (11) is connected between the fixing block (10) and the sealing ball valve housing body (1), and the fixing block (10) is symmetrically arranged with the vertical center line of the nut (11) as the symmetry axis.

4. The multi-layer sealing ball valve according to claim 1, characterized in that: The upper surface of the operating rod (4) is fixedly sleeved with the operating rod (4), and the operating rod (4) is connected to the sealing ball valve housing body (1) via a connecting rod (5).

5. The multi-layer sealing ball valve according to claim 1, characterized in that: A second mounting opening (9) is provided through the front surface of the second mounting flange (8), and there are a plurality of second mounting openings (9).

6. The multi-layer sealing ball valve according to claim 1, characterized in that: A limiting plate (12) is welded to the outer ring surface of the sealing ball valve housing sub-body (7), and the limiting plate (12) is arranged around the sealing ball valve housing sub-body (7) as the center point.

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