Nickel-based alloy top-mounted ball valve body

Abstract

The utility model relates to the technical field of ball valve bodies, and discloses a nickel base alloy top-mounted ball valve body which comprises a pipeline body, a spherical groove is formed in the pipeline body, the surface of the spherical groove is connected with the ball valve body, the upper face of the ball valve body is connected with a long shaft, the upper surface of the pipeline body is connected with a sealing piece, and the long shaft penetrates through a hole formed in the surface of the sealing piece. The upper surface of the sealing piece is connected with a connecting piece, the upper surface of the connecting piece is connected with a cover plate, a long shaft penetrates through the connecting piece and the cover plate and extends to the surface of the cover plate, the upper end of the long shaft is connected with a short shaft, the surface of the short shaft is connected with a handle, the handle is located on the long shaft, and the surface of the short shaft is connected with a nut located on the handle. The surfaces of the long shaft, the short shaft, the handle and the nut are coated with waterproof layers. By using the device, the corrosion of water in the air to the long shaft, the short shaft, the handle and the nut can be reduced, and the service life of the handle is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valve bodies, in particular to a nickel-based alloy top-entry ball valve body. Background Art

[0002] A ball valve is a valve that rotates around its axis and is widely used in the industrial field.

[0003] The application number is CN201020027002.7, which discloses a top-loading integral bevel metal-sealed ball valve. The utility model relates to a top-loading integral bevel metal-sealed ball valve, the valve body is an integral shell, the inner cavity of the valve body is provided with a ball, the valve stem is provided on the middle hole on the upper part of the valve cover, an inverted sealing gasket is provided between the valve stem and the valve cover, the upper end of the valve stem is connected to the drive device, the lower end of the valve stem is provided with a compression spring connected to the ball, the middle hole of the valve cover is provided with a packing, a liner and a clamping nut are provided on the packing, and an end face gasket is provided on the valve cover and the end face of the valve body. Metal valve seats are respectively provided between the double bevels of the valve body and the ball, a wound sealing gasket is embedded in the groove at the bottom of the metal valve seat, and the sealing pair formed by the ball and the metal valve seat is sprayed with tungsten carbide or nickel-based alloy, and ion nitrided. The double-bevel sealing surface of the utility model is resistant to erosion, high temperature and reliable in sealing. The number of opening and closing times is increased by more than 1 times, and the service life is 1.5 times longer than that of ordinary ball valves. When the ball valve parts need to be replaced online, it can be repaired or replaced by simply removing the valve cover, making maintenance more convenient.

[0004] This configuration is a top-loading, integrally inclined metal-sealed ball valve. The valve body is a one-piece outer shell. The inner cavity of the valve body is provided with a ball. The valve stem is located in the center hole of the upper portion of the valve cover. An inverted sealing gasket is provided between the valve stem and the valve cover. The upper end of the valve stem is connected to the drive device. The lower end of the valve stem is provided with a compression spring connected to the ball. The center hole of the valve cover is provided with a packing. A bushing and a compression nut are provided above the packing. The valve cover and the end face of the valve body are provided with end face gaskets. Metal valve seats are provided between the double inclined surfaces of the valve body and the ball. A wound sealing gasket is embedded in the groove at the bottom of the metal valve seat. The sealing pair formed by the ball and the metal valve seat is sprayed with tungsten carbide or nickel-based alloy and ion nitrided. The double-bevel sealing surface of the utility model is characterized by erosion resistance, high temperature resistance, and reliable sealing. The number of opening and closing times is increased by more than 1 times, and the service life is 1.5 times longer than that of ordinary ball valves. When the ball valve parts need to be replaced online, they can be repaired or replaced by simply removing the valve cover, making maintenance more convenient. The existing technology has the problem of inconvenient maintenance. The closest existing technology solves the problem of inconvenient maintenance. However, when this top-entry integral bevel metal sealing ball valve is in use, the handle is exposed to the air for a long time and will be corroded by water in the air, so the handle will have a short service life. Therefore, we propose a nickel-based alloy top-entry ball valve body to solve the above problem. 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 nickel-based alloy top-mounted ball valve body, comprising a pipeline body, a ball-shaped groove is opened inside the pipeline body, the surface of the ball-shaped groove is connected to the ball valve body, the top of the ball valve body is connected to a long axis, the upper surface of the pipeline body is connected to a sealing member, the long axis passes through a hole opened on the surface of the sealing member, the upper surface of the sealing member is connected to a connecting member, the upper surface of the connecting member is connected to a cover plate, the long axis passes through the connecting member and the cover plate and extends to the surface of the cover plate, the upper end of the long axis is connected to a short axis, the surface of the short axis is connected to a handle, the handle is located above the long axis, the surface of the short axis is connected to a nut, the nut is located above the handle, and the surfaces of the long axis, the short axis, the handle and the nut are coated with a waterproof layer.

[0007] Furthermore, an A screw hole is opened on the upper surface of the sealing member, an A bolt is connected inside the A screw hole, and the sealing member is connected to the pipeline body through the A bolt.

[0008] Furthermore, a B screw hole is opened on the surface of the connecting piece, a B bolt is connected to the inside of the B screw hole, and the connecting piece is connected to the sealing piece through the B bolt.

[0009] Furthermore, a C screw hole is opened on the surface of the cover plate, a C bolt is connected inside the C screw hole, and the cover plate is connected to the connecting piece through the C bolt.

[0010] Furthermore, two stoppers are connected to the surface of the cover plate.

[0011] Furthermore, the upper end of the short shaft is threaded.

[0012] Furthermore, the long shaft is fixedly connected to the ball valve body.

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

[0014] (1) The utility model, by using this device, places the ball valve body and the long axis into the ball groove opened in the pipe body, covers the seal downward, passes the long axis through the hole opened in the seal, and then installs the A bolt in the A screw hole, so that the seal is tightly connected to the pipe body, reducing the outflow of water, then passes the middle of the connector through the long axis, and installs the B bolt in the B screw hole through the B screw hole opened on the surface of the connector, so that the connector and the seal are tightly connected, then adds filler between the connector and the long axis, then passes the middle of the cover plate through the long axis, and installs the C bolt in the C screw hole through the C screw hole opened on the surface of the cover plate, so that the cover plate and the connector are tightly connected, installs a handle on the upper end of the long axis, and then fixes the handle by rotating the nut on the short axis, and applies a waterproof layer on the surface of the long axis, short axis, handle and nut, so as to reduce the corrosion of water in the air to the long axis, short axis, handle and nut, and increase the service life of the handle.

[0015] (2) The utility model uses fillers, which are added between the connector and the long shaft. The fillers have the functions of corrosion resistance and high sealing performance, further reducing the outflow of water.

[0016] (3) In the present invention, by using a stopper connected to the surface of the cover plate, it is possible to clearly and intuitively know whether the ball valve body is in an open or closed state.

[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 briefly introduces 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 creative work.

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

[0020] Figure 2 This is a side structural diagram of the utility model;

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

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

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

[0024] Figure 6This is a schematic diagram of the ball-shaped groove structure of the utility model;

[0025] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0026] In the figure: 1. Pipe body; 2. Ball groove; 3. Ball valve body; 4. Long axis; 5. Seal; 6. Connector; 7. Cover plate; 8. Short axis; 9. Handle; 10. Nut; 11. Waterproof layer; 12. Screw hole A; 13. Bolt A; 14. Screw hole B; 15. Bolt B; 16. Screw hole C; 17. Bolt C; 18. Stopper; 19. Thread. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figures 1-6 As shown, the utility model is a nickel-based alloy top-loading ball valve body, including a pipeline body 1, a ball groove 2 is opened inside the pipeline body 1, a ball valve body 3 is connected to the surface of the ball groove 2, a long shaft 4 is connected to the top of the ball valve body 3, a sealing member 5 is connected to the upper surface of the pipeline body 1, the long shaft 4 passes through the hole opened on the surface of the sealing member 5, a connecting member 6 is connected to the upper surface of the sealing member 5, a cover plate 7 is connected to the upper surface of the connecting member 6, the long shaft 4 passes through the connecting member 6 and the cover plate 7 and extends to the surface of the cover plate 7, a short shaft 8 is connected to the upper end of the long shaft 4, a handle 9 is connected to the surface of the short shaft 8, the handle 9 is located above the long shaft 4, a nut 10 is connected to the surface of the short shaft 8, the nut 10 is located above the handle 9, and the upper surface of the short shaft 8 There is a thread 19 at the end, and the surfaces of the major axis 4, minor axis 8, handle 9 and nut 10 are coated with a waterproof layer 11. A screw hole 12 is opened on the upper surface of the seal 5, and an A bolt 13 is connected to the inside of the A screw hole 12. The seal 5 is connected to the pipeline main body 1 through the A bolt 13. A B screw hole 14 is opened on the surface of the connector 6, and a B bolt 15 is connected to the inside of the B screw hole 14. The connector 6 is connected to the seal 5 through the B bolt 15. A C screw hole 16 is opened on the surface of the cover plate 7, and a C bolt 17 is connected to the inside of the C screw hole 16. The cover plate 7 is connected to the connector 6 through the C bolt 17. By using this device, the corrosion of water in the air to the major axis 4, minor axis 8, handle 9 and nut 10 can be reduced, and the service life of the handle 9 can be increased.

[0029] There is a filler between the connecting piece 6 and the long shaft 4. By using the filler, the filler plays a role of corrosion resistance and high sealing performance, further reducing the outflow of water.

[0030] Two stoppers 18 are connected to the surface of the cover plate 7. By using the stoppers 18, it is possible to clearly and intuitively know whether the ball valve body 3 is in an open or closed state.

[0031] When in use, place the ball valve body 3 and the long axis 4 into the ball groove 2 opened in the pipe body 1, cover the seal 5 downward, pass the long axis 4 through the hole opened in the seal 5, and then install the A bolt 13 in the A screw hole 12 to tightly connect the seal 5 to the pipe body 1 to reduce the outflow of water. Then pass the middle of the connector 6 through the long axis 4, through the B screw hole 14 opened on the surface of the connector 6, and install the B bolt 15 in the B screw hole 14 to tightly connect the connector 6 and the seal 5. Then add filler between the connector 6 and the long axis 4, and then pass the middle of the cover plate 7 through the long axis 4, through the C screw hole 16 opened on the surface of the cover plate 7, and install the C bolt 17 in the C screw hole 16 to tightly connect the cover plate 7 and the connector 6. Tightly connected, a handle 9 is installed at the upper end of the long shaft 4, and then the handle 9 is fixed by rotating it on the short shaft 8 through the nut 10. The rotation of the long shaft 4 is controlled by controlling the handle 9, which in turn drives the ball valve body 3 to rotate, thereby controlling the water flow. By connecting the block 18 to the surface of the cover plate 7, it can be clearly and intuitively known whether the ball valve body 3 is in an open or closed state. By adding filler between the connector 6 and the long shaft 4, the filler plays a role of corrosion resistance and high sealing, further reducing the outflow of water. By applying a waterproof layer 11 on the surface of the long shaft 4, the short shaft 8, the handle 9 and the nut 10, the corrosion of the long shaft 4, the short shaft 8, the handle 9 and the nut 10 by water in the air can be reduced, thereby increasing the service life of the handle 9.

[0032] 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 nickel-based alloy top-entry ball valve body, comprising a pipe body (1), characterized in that: A spherical groove (2) is provided inside the pipe body (1), a ball valve body (3) is connected to the surface of the ball groove (2), a long shaft (4) is connected to the top of the ball valve body (3), a sealing member (5) is connected to the top surface of the pipe body (1), the long shaft (4) passes through the hole provided on the surface of the sealing member (5), a connecting member (6) is connected to the top surface of the sealing member (5), a cover plate (7) is connected to the top surface of the connecting member (6), the long shaft (4) passes through the connecting member (6) and the cover plate (7) and extends to the surface of the cover plate (7), the upper end of the long shaft (4) is connected to the short shaft (8), the surface of the short shaft (8) is connected to a handle (9), the handle (9) is located above the long shaft (4), the surface of the short shaft (8) is connected to a nut (10), the nut (10) is located above the handle (9), and the surfaces of the long shaft (4), the short shaft (8), the handle (9) and the nut (10) are coated with a waterproof layer (11).

2. The nickel-based alloy top-entry ball valve body according to claim 1, characterized in that: An A screw hole (12) is formed on the upper surface of the sealing member (5), an A bolt (13) is connected inside the A screw hole (12), and the sealing member (5) is connected to the pipeline body (1) via the A bolt (13).

3. The nickel-based alloy top-entry ball valve body according to claim 1, characterized in that: A B screw hole (14) is formed on the surface of the connecting member (6), a B bolt (15) is connected to the inside of the B screw hole (14), and the connecting member (6) is connected to the sealing member (5) via the B bolt (15).

4. The nickel-based alloy top-entry ball valve body according to claim 1, characterized in that: A C screw hole (16) is formed on the surface of the cover plate (7), a C bolt (17) is connected to the inside of the C screw hole (16), and the cover plate (7) is connected to the connecting piece (6) via the C bolt (17).

5. The nickel-based alloy top-entry ball valve body according to claim 1, characterized in that: Two stoppers (18) are connected to the surface of the cover plate (7).

6. The nickel-based alloy top-entry ball valve body according to claim 1, characterized in that: The upper end of the short shaft (8) is provided with a thread (19).

7. The nickel-based alloy top-entry ball valve body according to claim 1, characterized in that: The long shaft (4) is fixedly connected to the ball valve body (3).

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