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CN-224214741-U - High-temperature-resistant top-mounted integral inclined-plane ball valve

CN224214741UCN 224214741 UCN224214741 UCN 224214741UCN-224214741-U

Abstract

The utility model discloses a high-temperature-resistant upper-mounted integral inclined ball valve which comprises a valve body, a ball body, a valve seat, a valve rod and a valve cover, wherein the valve cover is arranged on the valve body, the valve rod is arranged in the valve cover in a penetrating manner and connected with the ball body, inclined planes for mounting the valve seat are arranged on flow passages on the left side and the right side of the valve body, the vertical distance between the inclined planes and the central line of the valve rod is gradually reduced from the upper end to the lower end, the valve seat is made of metal, a valve seat pressing ring groove parallel to the inclined planes is arranged in the valve body, the valve seat pressing ring groove is arranged between the valve body and the valve seat, the valve seat pressing ring groove is used for mounting a sealing assembly, the sealing assembly is parallel to the inclined planes, the end face of the flow passage of the ball body is parallel to the inclined planes, the ball body is arranged between the valve seats, and the valve seat is attached to the upper spherical surface and the lower spherical surface of the ball body. The utility model adopts inclined plane sealing design, elastic compensation structure and upper-mounted maintenance, and solves the problems of on-line maintenance of the traditional ball valve and the risk of deformation of the conventional upper-mounted ball valve under high pressure and high temperature.

Inventors

  • ZHANG YING
  • WANG XUAN
  • MA RUIXIANG

Assignees

  • 星优阀门(上海)有限公司

Dates

Publication Date
20260508
Application Date
20250520

Claims (6)

  1. 1. The high temperature resistant top-mounted integral inclined ball valve comprises a valve body, a ball body, a valve seat, a valve rod and a valve cover, wherein the valve cover is arranged on the valve body, the valve rod is arranged in the valve cover in a penetrating way and is connected with the ball body, The left side flow channel and the right side flow channel of the valve body are provided with inclined planes for mounting the valve seat, and the vertical distance between the inclined planes and the central line of the valve rod is gradually reduced from the upper end to the lower end; The valve seat is made of metal; The valve body is internally provided with a valve seat pressing ring groove parallel to the inclined plane, the valve seat pressing ring groove is arranged between the valve body and the valve seat, the valve seat pressing ring groove is used for installing a sealing assembly, and the sealing assembly is parallel to the inclined plane; The end face of the flow channel of the ball body is parallel to the inclined plane, the ball body is arranged between the valve seats, and the valve seats are attached to the upper spherical surface and the lower spherical surface of the ball body; the sealing component comprises a valve seat pressing ring, a graphite ring and a disc spring; The valve seat pressing ring, the graphite ring and the disc spring are sequentially attached and embedded in the valve seat pressing ring groove; the valve seat pressing ring and the graphite ring are attached to and pressed on the valve seat.
  2. 2. The high temperature resistant top-mounted integral bevel ball valve of claim 1, wherein a pressure ring is arranged in the valve body, the pressure ring is pressed on the valve seat, and the section of the pressure ring is 7-shaped.
  3. 3. The high temperature resistant top-mounted integral bevel ball valve of claim 1, wherein a spring is sleeved at the lower end of the valve rod, two ends of the spring are respectively abutted against the valve rod and the ball body, and the spring is used for providing a pretightening force.
  4. 4. The high temperature resistant top-mounted integral bevel ball valve of claim 1 wherein a metal bearing and a sleeve are disposed between said valve stem and said valve cap, said metal bearing and said sleeve being disposed at a shoulder of said valve stem.
  5. 5. The high temperature resistant top-mounted integral bevel ball valve of claim 1 further comprising a sealing packing, a pressure sleeve and a pressure plate; the sealing packing is arranged between the valve rod and the valve cover; The pressing sleeve is pressed on the sealing filler; The pressing plate is pressed on the pressing sleeve and is connected with the valve cover.
  6. 6. The high temperature resistant top-mounted integral beveled ball valve of claim 5, wherein said pressure plate is connected to said valve cover by a stud and nut.

Description

High-temperature-resistant top-mounted integral inclined-plane ball valve Technical Field The utility model relates to the technical field of ball valves, in particular to a high-temperature-resistant top-mounted integral inclined-plane ball valve. Background In the prior art, the traditional floating ball valve adopts a side-mounted split structure, if a pipeline needs to be overhauled, the pipeline needs to be detached from the pipeline, the downtime is long, the labor cost is high, and the traditional floating ball valve is unacceptable especially in key fields such as petrochemical industry, long-distance pipelines and the like, and the valve seat is mostly of a planar design, and is easy to thermally deform and seal to lose efficacy at high temperature. Disclosure of Invention According to the embodiment of the utility model, the high-temperature-resistant top-mounted integral inclined ball valve comprises a valve body, a ball body, a valve seat, a valve rod and a valve cover, wherein the valve cover is arranged on the valve body; the left and right side flow channels of the valve body are provided with inclined planes for mounting the valve seat, and the vertical distance between the inclined planes and the central line of the valve rod is gradually reduced from the upper end to the lower end; The valve seat is made of metal; The valve body is internally provided with a valve seat pressing ring groove parallel to the inclined plane, the valve seat pressing ring groove is arranged between the valve body and the valve seat, the valve seat pressing ring groove is used for installing a sealing component, and the sealing component is parallel to the inclined plane; The end face of the flow channel of the sphere is parallel to the inclined plane, the sphere is arranged between the valve seats, the valve seat is attached to the upper and lower spherical surfaces of the sphere. Further, the sealing assembly comprises a valve seat pressing ring, a graphite ring and a disc spring; the valve seat pressing ring, the graphite ring and the disc spring are sequentially attached and embedded in the valve seat pressing ring groove; The valve seat pressing ring and the graphite ring are attached to and pressed on the valve seat. Further, a pressing ring is arranged in the valve body and is pressed on the valve seat, and the section of the pressing ring is 7-shaped. Further, the lower extreme cover of valve rod is equipped with the spring, and the both ends of spring are respectively with valve rod and spheroid looks butt, and the spring is used for providing pretightning force. Further, a metal bearing and a shaft sleeve are arranged between the valve rod and the valve cover, and the metal bearing and the shaft sleeve are arranged at the shaft shoulder of the valve rod. Further comprises sealing filler, a pressing sleeve and a pressing plate; The sealing filler is arranged between the valve rod and the valve cover; The pressing sleeve is pressed and covered on the sealing filler; The pressing plate is covered on the pressing sleeve and is connected with the valve cover. Further, the pressing plate is connected with the valve cover through the stud and the nut. According to the high-temperature-resistant upper-mounted integral inclined-surface ball valve provided by the embodiment of the utility model, the inclined-surface sealing design, the elastic compensation structure and the upper-mounted maintenance are adopted, so that the problems of on-line maintenance of the traditional ball valve and the risks of deformation of the conventional upper-mounted ball valve under high pressure and high temperature are solved. It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed. Drawings FIG. 1 is a schematic cross-sectional view of a high temperature resistant top-loading, unitary beveled ball valve in accordance with an embodiment of the present utility model; FIG. 2 is an enlarged view of FIG. 1 at A; The valve comprises a valve body 1, a valve cover 2, a ball body 3, a valve rod 4, a valve seat 5, a graphite ring 6, a valve seat pressing ring 7, a disc spring 8, a pressing ring 9, a metal bearing 10, a shaft sleeve 11, a sealing filler 12, a pressing sleeve 13, a pressing plate 14, a stud 15, a nut 16 and a spring 17. Detailed Description The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model. First, a high-temperature-resistant top-mounted integral inclined ball valve for a long-distance pipeline according to an embodiment of the utility model will be described with reference to fig. 1-2, and the high-temperature-resistant top-mounted integral inclined ball valve has a wide application range. As shown in fig. 1-2, the high temperature resistant top-mounted integr