Manual ball valve

Abstract

The utility model relates to the technical field of ball valves, and discloses a manual ball valve which comprises a pipeline body, a spherical groove is formed in the pipeline body, the pipeline body is connected with a ball valve body, the surface of the ball valve body is connected with a long shaft, and the long shaft penetrates through a hole formed in the upper surface of the pipeline body and extends to the outer surface of the pipeline body. The upper surface of the pipeline body is connected with a connecting plate, the upper surface of the connecting plate is connected with a protection block, the upper surface of the protection block is connected with a protection plate, the upper end of the long shaft is connected with a short shaft, the short shaft penetrates through a limiting piece and a rotating disc, the limiting piece is located on the upper surface of the long shaft, and the rotating disc is located on the limiting piece. According to the utility model, the packing is used, so that the packing has corrosion resistance and high sealing performance, the sealing performance is improved, the corrosion of water to the long shaft is reduced, the service life of the ball valve is prolonged, the packing can be replaced, the packing is ensured to have the effects of corrosion resistance and high sealing performance all the time, and the long shaft is protected.

Description

Technical Field

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

[0002] A ball valve is a pressure piping component that controls the pressure, flow rate, and temperature of the conveyed medium by changing the pipe cross-section and the flow direction of the medium. The ball is opened and closed by rotating 90 degrees around the axis of the valve stem. With the rapid development of my country's economy, market demand for various types of ball valves is increasing.

[0003] Application number CN202120394814.3 discloses a manual ball valve. The utility model relates to a manual ball valve, comprising a valve body, a ball disposed therein, a valve stem fixedly connected to the ball above the ball, a bearing sleeved on the outside of the valve stem within the valve body, a handle fixedly connected to the valve stem above, a receiving groove provided at one end of the handle, an extension plate clamped to the end of the handle away from the valve stem, a block integrally connected to the extension plate within the receiving groove, multiple rubber blocks integrally connected to both sides of the block, a first limit plate integrally connected to the end of the block facing the receiving groove, the handle provided with a limit groove communicating with the receiving groove and engaging with the first limit plate, the opening area of ​​the limit groove being larger than the opening area of ​​the receiving groove. The utility model has the advantage of adjustable handle length.

[0004] A manual ball valve with such a configuration includes a valve body, a ball disposed within the valve body, a valve stem fixedly connected to the ball disposed above the ball, a bearing disposed within the valve body and sleeved onto the exterior of the valve stem, a handle fixedly connected to the valve stem, a receiving groove disposed at one end of the handle, an extension plate clamped to the end of the handle away from the valve stem, and a block integrally connected to the extension plate being disposed within the receiving groove. The prior art has problems with rotational difficulty and poor sealing. The closest prior art solves the problem of rotational difficulty, but when this manual ball valve is in use, the ball valve and the pipeline are subjected to prolonged friction, which reduces the sealing performance of the ball valve, causing water to corrode the main body that controls the rotation of the ball valve, thereby shortening the service life of the ball valve. Therefore, a manual ball valve is proposed to address the above-mentioned problems. Utility Model Content

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a manual ball valve, comprising a pipeline body, a spherical groove is opened inside the pipeline body, and a ball valve body is connected to the surface of the ball valve body. The long axis is connected to the surface of the ball valve body, and the long axis passes through the hole opened on the upper surface of the pipeline body and extends to the outer surface of the pipeline body. The upper surface of the pipeline body is connected to a connecting plate, and the upper surface of the connecting plate is connected to a protective block, and the upper surface of the protective block is connected to a protective plate. The upper end of the long axis is connected to a short axis, and the short axis passes through a limiting plate and a turntable. The limiting plate is located on the upper surface of the long axis, and the turntable is located above the limiting plate.

[0007] Furthermore, the four corners of the protection block are provided with holes, which are connected with A bolts, and the protection block is connected to the connecting plate through the A bolts.

[0008] Furthermore, a circular hole is opened in the middle of the protection block, and the diameter of the circular hole is larger than the diameter of the long axis.

[0009] Furthermore, four holes are opened on the surface of the protection plate, which are connected with B bolts, and the protection plate is connected to the protection block through the B bolts.

[0010] Furthermore, the upper surface of the protection plate is connected to two limit blocks, and the limit blocks are respectively located on both sides of the long axis.

[0011] Furthermore, a fixing sleeve is connected to the upper surface of the short shaft, a hole is opened on the surface of the fixing sleeve, and a C bolt is connected to the fixing sleeve, and the fixing sleeve is connected to the short shaft through the C bolt.

[0012] Furthermore, the turntable is fixedly connected to the limiting piece.

[0013] The utility model has the following beneficial effects:

[0014] (1) The utility model uses packing to remove the four B bolts on the protective plate, open the protective plate, insert the packing into the protective block and press it tightly, and then connect the protective plate to the protective block using the B bolts. The packing has corrosion resistance and high sealing performance, increases the sealing performance, reduces water corrosion on the long axis, and increases the service life of the ball valve. The packing can be replaced to ensure that the packing always has corrosion resistance and high sealing performance to protect the long axis.

[0015] (2) The utility model can clearly know whether the ball valve is open or closed by using the limit block and the limit plate, and can effectively adjust the angle of the ball valve.

[0016] (3) The utility model uses A bolts and B bolts. Holes are opened at the four corners of the protective block, which are connected with A bolts. The protective block is connected to the connecting plate through A bolts. Four holes are opened on the surface of the protective plate, which are connected with B bolts. The protective plate is connected to the protective block through B bolts. This can make the device tighter and reduce the corrosion of the long axis by air.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the protection block of the utility model;

[0021] Figure 3 This is a schematic diagram of the long axis structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the limit block of the utility model;

[0023] Figure 5 This is a schematic diagram of the short shaft structure of the utility model;

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] In the figure: 1. Pipe body; 2. Ball valve body; 3. Long shaft; 4. Connecting plate; 5. Protective block; 6. Protective plate; 7. Short shaft; 8. Limiting piece; 9. Turntable; 10. Bolt A; 11. Bolt B; 12. Limiting block; 13. Fixing sleeve; 14. Bolt C. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] See also Figure 1 - Figure 5As shown, the utility model is a manual ball valve, including a pipeline body 1, a spherical groove is opened inside the pipeline body 1, and a ball valve body 2 is connected. The surface of the ball valve body 2 is connected to a long axis 3, and the long axis 3 passes through the hole opened on the upper surface of the pipeline body 1 and extends to the outer surface of the pipeline body 1. The upper surface of the pipeline body 1 is connected to a connecting plate 4, and the upper surface of the connecting plate 4 is connected to a protective block 5. The four corners of the protective block 5 are opened with holes, and are connected with A bolts 10. The protective block 5 is connected to the connecting plate 4 through the A bolts 10. The upper surface of the protective block 5 is connected to a protective plate 6. The surface of the protective plate 6 has four holes, and is connected with B bolts 11. The protective plate 6 is connected to the protective block 5 through the B bolts 11. The upper surface of the protective plate 6 is connected to two limit blocks. 12. The limit blocks 12 are respectively located on both sides of the major axis 3. The upper end of the major axis 3 is connected to the minor axis 7. The minor axis 7 passes through the limit piece 8 and the turntable 9. The limit piece 8 is located on the upper surface of the major axis 3. The turntable 9 is located above the limit piece 8. The turntable 9 is fixedly connected to the limit piece 8. The upper surface of the minor axis 7 is connected with a fixed sleeve 13. The surface of the fixed sleeve 13 is provided with a hole, which is connected with a C bolt 14. The fixed sleeve 13 is connected to the minor axis 7 through the C bolt 14. By using packing, the packing is stuffed into the protective block 5. The packing has high corrosion resistance and sealing performance, increases sealing performance, reduces water corrosion to the major axis 3, and increases the service life of the ball valve. The packing can be replaced to ensure that the packing always plays a role of corrosion resistance and high sealing performance to protect the major axis 3.

[0028] When in use, first connect the pipe body 1 to the position where it needs to be installed. The several holes opened at both ends of the pipe can make the connection more stable. Then remove the four B bolts 11 on the protective plate 6, open the protective plate 6, stuff the filler into the protective block 5, and press it tightly. Then connect the protective plate 6 to the protective block 5 using the B bolts 11. The filler has corrosion resistance and high sealing performance, increases sealing performance, reduces water corrosion on the long axis 3, and increases the service life of the ball valve. The filler can be replaced to ensure that the filler always plays a role of corrosion resistance and high sealing performance. Then, by rotating the turntable 9 in the forward direction, the turntable 9 drives the short axis 7 and the limit plate 8 to rotate, and then drives the long axis 3 to rotate, and then the ball valve body 2 is rotated to achieve the purpose of regulating the water flow.

[0029] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A manual ball valve, comprising a pipe body (1), characterized in that: The pipe body (1) has a spherical groove formed inside and is connected to a ball valve body (2). The surface of the ball valve body (2) is connected to a long axis (3). The long axis (3) passes through a hole formed on the upper surface of the pipe body (1) and extends to the outer surface of the pipe body (1). The upper surface of the pipe body (1) is connected to a connecting plate (4). The upper surface of the connecting plate (4) is connected to a protective block (5). The upper surface of the protective block (5) is connected to a protective plate (6). The upper end of the long axis (3) is connected to a short axis (7). The short axis (7) passes through a limiting plate (8) and a rotating disk (9). The limiting plate (8) is located on the upper surface of the long axis (3), and the rotating disk (9) is located above the limiting plate (8).

2. A manual ball valve according to claim 1, characterized in that: The four corners of the protection block (5) are provided with holes, which are connected with A bolts (10), and the protection block (5) is connected to the connecting plate (4) via the A bolts (10).

3. A manual ball valve according to claim 1, characterized in that: A circular hole is opened in the middle of the protection block (5), and the diameter of the circular hole is larger than the diameter of the long axis (3).

4. A manual ball valve according to claim 1, characterized in that: Four holes are opened on the surface of the protection plate (6), which is connected with B bolts (11). The protection plate (6) is connected to the protection block (5) via the B bolts (11).

5. A manual ball valve according to claim 1, characterized in that: Two limit blocks (12) are connected to the upper surface of the protection plate (6), and the limit blocks (12) are respectively located on both sides of the long axis (3).

6. A manual ball valve according to claim 1, characterized in that: The upper surface of the short shaft (7) is connected to a fixing sleeve (13), a surface of the fixing sleeve (13) is provided with a hole, and a C bolt (14) is connected thereto, and the fixing sleeve (13) is connected to the short shaft (7) via the C bolt (14).

7. The manual ball valve according to claim 1, characterized in that: The turntable (9) is fixedly connected to the limiting piece (8).

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