Novel valve ball

Abstract

The utility model discloses a novel valve ball body which comprises a valve ball body, the upper end of the valve ball body is fixedly connected with a rotating control shaft, and an anti-backflow mechanism is installed on the inner wall of the valve ball body in a positioning mode. According to the novel valve ball body, the anti-backflow plate is positioned in the valve ball body at one end of the connecting frame, the positioning ring block is positioned on the outer wall of the valve ball body, and the cross-shaped positioning frame is positioned on the inner wall of the positioning ring block, so that when fluid flows through the positioning ring block, the anti-backflow plate can be flushed out, and when the fluid stops, the anti-backflow plate can be flushed out. Under the action of the reset spring, the limiting plate can be driven to move on the inner side of the connecting control rod, the anti-backflow plate and the connecting frame are driven to be mutually closed, fluid is prevented from flowing back in a pipeline, and the pipeline and equipment can be protected against damage caused by backflow, especially in the conveying process of high-pressure or dangerous chemicals; the fluid can flow in the preset direction, and stable operation of the system is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of valve ball, specifically is a novel valve ball. BACKGROUND

[0002] The valve ball is a key component in the ball valve, and its main function is to control the flow of fluid by rotating. The ball usually has a circular through hole or channel. When the ball rotates 90 degrees, the channel is aligned or misaligned with the pipeline, thereby realizing the opening or closing of the fluid. The valve ball is widely used in the petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceutical industry, water conservancy, power, municipal administration, steel industry and other industries, and is an indispensable important component in the national economy.

[0003] The common valve ball is generally not installed with an anti-backflow device during use. In some cases, the fluid may backflow, causing unstable pressure in the system and affecting the normal operation of the equipment. The backflow of the medium will impact the pipeline and equipment, possibly causing damage to the equipment, increasing maintenance cost and downtime, and bringing certain adverse effects to the use process. Therefore, the utility model provides a novel valve ball. UTILITY MODEL CONTENT

[0004] The technical problem solved by the utility model is that the novel valve ball has the advantages of preventing fluid backflow, protecting equipment safety, prolonging equipment life, etc. The anti-backflow mechanism is arranged. The anti-backflow plate is positioned inside the valve ball at one end of the connecting frame, the positioning ring block is positioned on the outer wall of the valve ball, and the cross positioning frame is positioned on the inner wall of the positioning ring block. When the fluid flows from the inside of the positioning ring block, the anti-backflow plate can be pushed out. When the fluid stops, the limiting plate can be driven to move on the inner side of the connecting control rod by the action of the reset spring, the anti-backflow plate and the connecting frame are closed to each other, the fluid backflow in the pipeline is prevented, the pipeline and equipment can be protected from damage caused by backflow, especially in the process of high-pressure or dangerous chemical transportation. At the same time, the fluid can be ensured to flow in the predetermined direction, the stable operation of the system is maintained, the sealing effect of the sealing strip on the outer wall of the sealing ring block and the sealing gasket on one side of the top plate is enhanced, and the problems in the background technology can be effectively solved.

[0005] Technical scheme: To achieve the above purpose, the utility model adopts the technical scheme that a novel valve ball comprises a valve ball, the upper end of the valve ball is fixedly connected with a rotary control shaft, the inner wall of the valve ball is positioned and installed with an anti-backflow mechanism, the anti-backflow mechanism comprises a positioning ring block, a connecting frame, a cross positioning frame, a connecting control rod, an anti-backflow plate, a sealing ring block, a sealing strip, a top plate, a sealing gasket, a movable rod, a limiting plate and a reset spring.

[0006] Preferably, the connecting frame is located at one end of the positioning ring block, the cross positioning frame is located on the inner wall of the positioning ring block, and the connecting control rod is located on one side of the cross positioning frame and inside the connecting frame.

[0007] Preferably, the sealing ring block is located on one side of the anti-backflow plate, the sealing strip is located on the outer wall of the sealing ring block, the top plate is located in the middle of one side of the anti-backflow plate, and the sealing gasket is located on one side of the top plate.

[0008] Preferably, the movable rod is located in the middle of one side of the top plate, the limiting plate is located at one end of the movable rod, and the reset springs are located at both ends of one side of the limiting plate and inside the connecting control rod.

[0009] Preferably, one side of the positioning ring block is fixedly connected with one end of the connecting frame, the outer wall of the cross positioning frame is fixedly connected with the inner wall of the positioning ring block, one end of the connecting control rod is fixedly connected with one side of the cross positioning frame, and one side of the anti-backflow plate is fixedly connected with one side of the sealing ring block and the top plate.

[0010] Preferably, one end of the connecting control rod is fixedly connected with one side of the cross positioning frame, and one side of the anti-backflow plate is fixedly connected with one side of the sealing ring block and the top plate.

[0011] Preferably, one side of the sealing gasket is positioned and fixed with one side of the top plate by strong glue, one end of the movable rod is fixedly connected with the middle of one side of the top plate, and the other end of the movable rod is fixedly connected with one side of the limiting plate.

[0012] Preferably, the outer wall of the limiting plate is movably connected with the inner wall of the connecting control rod, one end of the reset spring is fixedly connected with both ends of one side of the limiting plate, and the other end of the reset spring is fixedly connected with the inner wall of the connecting control rod.

[0013] Beneficial effects: compared with the prior art, the utility model provides a novel valve ball, has the following beneficial effects: the novel valve ball, through being provided with the anti -reverse flow mechanism, the anti -reverse flow board is positioned in the inside of the valve ball in one end of the connecting frame, the positioning ring block is positioned in the outer wall of the valve ball, the cross positioning frame is positioned in the inner wall of the positioning ring block, when fluid passes from the inside of the positioning ring block, can rush out the anti -reverse flow board, when fluid stops, through the action of reset spring, can drive the limiting plate to move in the inside of the connecting control rod, drive the anti -reverse flow board and the connecting frame mutual close, prevent the fluid from flowing back in the pipeline, can protect the pipeline and equipment from the damage of reverse flow, especially in the delivery process of high pressure or dangerous chemicals, simultaneously, can ensure that the fluid flows according to the predetermined direction, maintains the stable operation of system, the sealing strip of the sealing ring block outer wall and the sealing gasket of the top plate one side all play the effect of strengthening sealing. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is whole structure schematic diagram of the utility model novel valve ball.

[0015] Figure 2 It is partial structure schematic diagram of the utility model novel valve ball anti -reverse flow mechanism.

[0016] Figure 3 It is the separated state schematic diagram of the utility model novel valve ball connecting frame and anti -reverse flow board.

[0017] Figure 4 It is the inside perspective view of the utility model novel valve ball connecting frame.

[0018] Figure 5 It is partial structure split schematic diagram of the utility model novel valve ball anti -reverse flow mechanism.

[0019] Figure 6 It is partial structure plan view of the utility model novel valve ball anti -reverse flow mechanism.

[0020] In the drawing: 1, valve ball;2, rotary control shaft;3, anti -reverse flow mechanism;301, positioning ring block;302, connecting frame;303, cross positioning frame;304, connecting control rod;305, anti -reverse flow board;306, sealing ring block;307, sealing strip;308, top plate;309, sealing gasket;310, movable rod;311, limiting plate;312, reset spring. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the following further describes the utility model in combination with specific implementation manners.

[0022] AsFigures 1-6 As shown, a new valve ball, including a valve ball 1, the upper end of the valve ball 1 is fixedly connected with a rotating control shaft 2, the inner wall of the valve ball 1 is positioned and installed with an anti-backflow mechanism 3, the anti-backflow mechanism 3 includes a positioning ring block 301, a connecting frame 302, a cross positioning frame 303, a connecting control rod 304, an anti-backflow plate 305, a sealing ring block 306, a sealing strip 307, a top plate 308, a sealing gasket 309, a movable rod 310, a limiting plate 311 and a reset spring 312, which can prevent the fluid from flowing backward in the pipeline, and can protect the pipeline and equipment from damage caused by backflow, especially in the process of high-pressure or dangerous chemical delivery, at the same time, it can ensure the fluid to flow in the predetermined direction, and maintain the stable operation of the system.

[0023] Further, the connecting frame 302 is located at one end of the positioning ring block 301, the cross positioning frame 303 is located on the inner wall of the positioning ring block 301, and the connecting control rod 304 is located on one side of the cross positioning frame 303 and on the inside of the connecting frame 302, which plays a role in connecting control.

[0024] Further, the sealing ring block 306 is located on one side of the anti-backflow plate 305, the sealing strip 307 is located on the outer wall of the sealing ring block 306, the top plate 308 is located in the middle of one side of the anti-backflow plate 305, and the sealing gasket 309 is located on one side of the top plate 308, which enhances the sealing property.

[0025] Further, the movable rod 310 is located in the middle of one side of the top plate 308, the limiting plate 311 is located at one end of the movable rod 310, and the reset spring 312 is located at both ends of one side of the limiting plate 311 and on the inside of the connecting control rod 304, which provides elastic force.

[0026] Further, one side of the positioning ring block 301 is fixedly connected with one end of the connecting frame 302, the outer wall of the cross positioning frame 303 is fixedly connected with the inner wall of the positioning ring block 301, one end of the connecting control rod 304 is fixedly connected with one side of the cross positioning frame 303, and one side of the anti-backflow plate 305 is fixedly connected with one side of the sealing ring block 306 and the top plate 308, one side of the sealing strip 307 is positioned and attached to the outer wall of the sealing ring block 306 by strong glue, and one side of the sealing gasket 309 is positioned and attached to one side of the top plate 308 by strong glue, which enhances the firmness.

[0027] Further, one end of the connecting control rod 304 is fixedly connected with one side of the cross positioning frame 303, one side of the anti-backflow plate 305 is fixedly connected with one side of the sealing ring block 306 and the top plate 308, and one side of the sealing strip 307 is positioned and attached to the outer wall of the sealing ring block 306 by strong glue, which enhances the firmness.

[0028] Further, one side of the sealing gasket 309 is positioned by strong glue with one side of the top plate 308, one end of the movable rod 310 is fixedly connected with the middle of one side of the top plate 308, the other end of the movable rod 310 is fixedly connected with one side of the limiting plate 311, and the limiting plate 311 plays a limiting role on the inner side of the connecting control rod 304.

[0029] Further, the outer wall of the limiting plate 311 is movably connected with the inner wall of the connecting control rod 304, one end of the reset spring 312 is fixedly connected with both ends of one side of the limiting plate 311, and the other end of the reset spring 312 is fixedly connected with the inner wall of the connecting control rod 304, so that the stability is strengthened.

[0030] Working principle: a new valve ball, including valve ball 1, rotating control shaft 2 and anti-backflow mechanism 3, through the setting of the anti-backflow mechanism 3, the anti-backflow plate 305 is positioned in the inside of the valve ball 1 at one end of the connecting frame 302, the positioning ring block 301 is positioned on the outer wall of the valve ball 1, and the cross positioning frame 303 is positioned on the inner wall of the positioning ring block 301, when the fluid passes from the inside of the positioning ring block 301, the anti-backflow plate 305 can be pushed out, when the fluid stops, the limiting plate 311 can be driven to move on the inner side of the connecting control rod 304, the anti-backflow plate 305 and the connecting frame 302 are closed to each other, the fluid in the pipeline is prevented from flowing back, the pipeline and equipment can be protected from damage caused by backflow, especially in the process of high-pressure or dangerous chemical transportation, at the same time, the fluid can be ensured to flow in the predetermined direction, the stable operation of the system is maintained, and the sealing strip 307 on the outer wall of the sealing ring block 306 and the sealing gasket 309 on one side of the top plate 308 all play the effect of strengthening the sealing.

[0031] It should be noted that, in the present text, relational terms such as first and second (one and two) and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0032] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel valve ball, comprising a valve ball (1), characterized in that: The upper end of the valve ball (1) is fixedly connected to a rotation control shaft (2), and the inner wall of the valve ball (1) is equipped with an anti-backflow mechanism (3). The anti-backflow mechanism (3) includes a positioning ring block (301), a connecting frame (302), a cross positioning frame (303), a connecting control rod (304), an anti-backflow plate (305), a sealing ring block (306), a sealing strip (307), a top plate (308), a sealing gasket (309), a movable rod (310), a limit plate (311), and a return spring (312). The connecting frame (302) is located at one end of the positioning ring block (301), the cross positioning frame (303) is located on the inner wall of the positioning ring block (301), and the connecting control rod (304) is located on one side of the cross positioning frame (303) and inside the connecting frame (302). The sealing ring block (306) is located on one side of the anti-backflow plate (305), the sealing strip (307) is located on the outer wall of the sealing ring block (306), the top plate (308) is located in the middle of one side of the anti-backflow plate (305), and the sealing gasket (309) is located on one side of the top plate (308). The movable rod (310) is located in the middle of one side of the top plate (308), the limiting plate (311) is located at one end of the movable rod (310), and the return spring (312) is located at both ends of one side of the limiting plate (311) and inside the connecting control rod (304). One side of the positioning ring block (301) is fixedly connected to one end of the connecting frame (302), and the outer wall of the cross positioning frame (303) is fixedly connected to the inner wall of the positioning ring block (301). One end of the connecting control rod (304) is fixedly connected to one side of the cross positioning frame (303), one side of the anti-backflow plate (305) is fixedly connected to one side of the sealing ring block (306) and the top plate (308), and one side of the sealing strip (307) is attached and positioned to the outer wall of the sealing ring block (306) by strong adhesive. One side of the sealing gasket (309) is attached to one side of the top plate (308) with strong adhesive for positioning. One end of the movable rod (310) is fixedly connected to the middle of one side of the top plate (308), and the other end of the movable rod (310) is fixedly connected to one side of the limiting plate (311). The outer wall of the limiting plate (311) is movably connected to the inner wall of the connecting control rod (304). One end of the reset spring (312) is fixedly connected to both ends of one side of the limiting plate (311), and the other end of the reset spring (312) is fixedly connected to the inner wall of the connecting control rod (304).

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