CN221196143U - A quick-detachable top-mounted ball valve - Google Patents

Abstract

The utility model discloses a quick-detachable top-mounted ball valve, which comprises a base, wherein the upper surface of the base is provided with a second groove, the upper surface of the second groove is in contact with a valve seat, the upper surface of the base is provided with a first threaded hole, the inner wall of the first threaded hole is in threaded connection with a first bolt, the outer surface of the first bolt is in contact with a gland through a first hole, the lower surface of the gland is provided with a first sealing ring, the lower surface of the first sealing ring is in contact with the valve seat through the first groove, the inner wall of the valve seat is in contact with a valve ball, and the upper surface of the valve ball is in contact with a valve rod. Through the structure, the device is provided with two quick detach devices, and the upper end contacts the gland and the valve seat through first bolts to fix through first bolts and base, be connected through a plurality of first bolts that set up, ensure to bear certain pressure, the side direction contacts connecting piece and valve body through the retainer plate.

Description

A quick-detachable top-mounted ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a top-mounted ball valve which can be quickly disassembled.

Background technique

Top-entry ball valves are widely used in oil and gas pipelines, as well as in oil production, refining, petrochemical, chemical, chemical fiber, metallurgy, electric power, nuclear power, food and papermaking equipment. Therefore, they are widely used. A quick-disassembly top-entry ball valve is provided to solve the tedious time during installation and disassembly, and provide a quick way for maintenance. The device can complete the disassembly of the ball valve by removing the required parts of the components through segmented disassembly.

Utility Model Content

The utility model aims to solve at least one of the technical problems existing in the prior art and provides a top-mounted ball valve that can be quickly disassembled. The device is provided with two quick-release devices. The upper end contacts the pressure cover with the valve seat through the first bolt and is fixed to the base through the first bolt. The first bolts are arranged at multiple locations for connection to ensure that it can withstand a certain pressure. The side contacts the valve body with the connecting piece through a fixing ring and is firmly fixed to the upper and lower fixing rings with a second bolt. A nut is arranged on the outer surface of the second bolt to prevent the second bolt from falling off due to vibration.

The utility model also provides a top-mounted ball valve with the above-mentioned quick-detachable structure, comprising: a base, a second groove is provided on the upper surface of the base, the upper surface of the second groove contacts the valve seat, a first threaded hole is provided on the upper surface of the base, a first bolt is threadedly connected to the inner wall of the first threaded hole, the outer surface of the first bolt contacts the gland through the first hole, a first sealing ring is provided on the lower surface of the gland, the lower surface of the first sealing ring contacts the valve seat through the first groove, the inner wall of the valve seat contacts the valve ball, and the upper surface of the valve ball contacts the valve stem;

The upper surface of the valve stem is fixedly connected to a turning handle, the side surface of the valve seat is fixedly connected to a connecting piece, the outer surface of the connecting piece is in contact with the second sealing ring, the inner wall of the second sealing ring is in contact with the valve body, the outer surface of the second sealing ring is in contact with the fixing ring through the third groove, the side surface of the fixing ring is threadedly connected to the second bolt through the second threaded hole, and the outer surface of the second bolt is threadedly connected to a nut.

According to the quickly detachable top-mounted ball valve, a fixing piece is fixedly connected to the outer surface of the first bolt, and the lower surface of the fixing piece is in contact with the gland.

According to the quickly detachable top-mounted ball valve, the number of the first bolts is multiple and evenly distributed, and the number of the first threaded holes is multiple and evenly distributed.

According to the quick-detachable top-mounted ball valve, a second hole is provided on the upper surface of the gland, and an inner wall of the second hole contacts the valve stem.

According to the quick-detachable top-mounted ball valve, the number of the connecting pieces is multiple and symmetrically distributed, and the number of the valve bodies is multiple and symmetrically distributed.

According to the quick-detachable top-mounted ball valve, the number of the second bolts is multiple and evenly distributed, and the number of the nuts is multiple and evenly distributed.

According to the quick-detachable top-mounted ball valve, the front surface of the valve body is in contact with the connecting piece.

According to the quick-detachable top-mounted ball valve, the upper surface of the nut is in contact with the fixing ring.

Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

The utility model is further described below in conjunction with the accompanying drawings and embodiments;

FIG1 is an overall structural diagram of a top-mounted ball valve that can be quickly disassembled according to the present invention;

FIG2 is a diagram of the upper quick-disassembly structure of a top-mounted ball valve that can be quickly disassembled according to the utility model;

FIG3 is a diagram of a valve body quick-disassembly device of a top-mounted ball valve that can be quickly disassembled according to the utility model;

FIG. 4 is a diagram showing the internal structure of a top-mounted ball valve that can be quickly disassembled according to the present invention.

illustration:

1. Base; 2. Valve seat; 3. First groove; 4. First sealing ring; 5. Pressure cover; 6. First hole; 7. First bolt; 8. First threaded hole; 9. Second groove; 10. Connector; 11. Fixing ring; 12. Second sealing ring; 13. Second threaded hole; 14. Second bolt; 15. Nut; 16. Valve body; 17. Second hole; 18. Turning handle; 19. Valve stem; 20. Valve ball; 21. Third groove; 22. Fixing part.

Detailed ways

This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

1-4, an embodiment of the utility model is a quickly detachable top-mounted ball valve, which includes a base 1, an upper surface of the base 1 is provided with a second groove 9, the upper surface of the second groove 9 is in contact with the valve seat 2, the upper surface of the base 1 is provided with a first threaded hole 8, the inner wall of the first threaded hole 8 is threadedly connected with a first bolt 7, the outer surface of the first bolt 7 is in contact with the pressure cover 5 through the first hole 6, the lower surface of the pressure cover 5 is provided with a first sealing ring 4, the lower surface of the first sealing ring 4 is in contact with the valve seat 2 through the first groove 3, the inner wall of the valve seat 2 is in contact with the valve ball 20, and the upper surface of the valve ball 20 is in contact with the valve stem 19.

The upper surface of the valve stem 19 is fixedly connected with the turning handle 18, the side surface of the valve seat 2 is fixedly connected with the connecting piece 10, the outer surface of the connecting piece 10 contacts the second sealing ring 12, the inner wall of the second sealing ring 12 contacts the valve body 16, the outer surface of the second sealing ring 12 contacts the fixing ring 11 through the third groove 21, the side surface of the fixing ring 11 is threadedly connected with the second bolt 14 through the second threaded hole 13, the outer surface of the second bolt 14 is threadedly connected with the nut 15, the outer surface of the first bolt 7 is fixedly connected with the fixing piece 22, the lower surface of the fixing piece 22 The surface is in contact with the pressure cover 5, the number of first bolts 7 is multiple and evenly distributed, the number of first threaded holes 8 is multiple and evenly distributed, the upper surface of the pressure cover 5 is provided with a second hole 17, the inner wall of the second hole 17 is in contact with the valve stem 19, the number of connecting pieces 10 is multiple and symmetrically distributed, the number of valve bodies 16 is multiple and symmetrically distributed, the number of second bolts 14 is multiple and evenly distributed, the number of nuts 15 is multiple and evenly distributed, the front surface of the valve body 16 is in contact with the connecting piece 10, and the upper surface of the nut 15 is in contact with the fixing ring 11.

Working principle: by rotating the first bolt 7 in the opposite direction until the first bolt 7 is unscrewed, unscrew all the first bolts 7 in sequence, then the pressure cover 5 is separated from the base 1, and the quick-release component on the upper end is removed, and by rotating the second bolt 14 in the opposite direction until the second bolt 14 is unscrewed, unscrew all the second bolts 14 in sequence, and remove the fixing ring 11, and then the quick-release component on the side is removed.

The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims (8)

1. A quickly disassembled top-mounted ball valve, characterized in that it comprises: a base (1), the upper surface of the base (1) is provided with a second groove (9), the upper surface of the second groove (9) is in contact with a valve seat (2), the upper surface of the base (1) is provided with a first threaded hole (8), the inner wall of the first threaded hole (8) is threadedly connected with a first bolt (7), the outer surface of the first bolt (7) is in contact with a gland (5) through a first hole (6), the lower surface of the gland (5) is provided with a first sealing ring (4), the lower surface of the first sealing ring (4) is in contact with the valve seat (2) through a first groove (3), the inner wall of the valve seat (2) is in contact with a valve ball (20), and the upper surface of the valve ball (20) is in contact with a valve stem (19); The upper surface of the valve stem (19) is fixedly connected to a turning handle (18), the side surface of the valve seat (2) is fixedly connected to a connecting piece (10), the outer surface of the connecting piece (10) is in contact with the second sealing ring (12), the inner wall of the second sealing ring (12) is in contact with the valve body (16), the outer surface of the second sealing ring (12) is in contact with the fixing ring (11) through a third groove (21), the side surface of the fixing ring (11) is threadedly connected to the second bolt (14) through a second threaded hole (13), and the outer surface of the second bolt (14) is threadedly connected to a nut (15). 2. A quickly detachable top-mounted ball valve according to claim 1, characterized in that a fixing piece (22) is fixedly connected to the outer surface of the first bolt (7), and the lower surface of the fixing piece (22) is in contact with the pressure cover (5). 3. A quickly detachable top-mounted ball valve according to claim 1, characterized in that the number of the first bolts (7) is multiple and evenly distributed, and the number of the first threaded holes (8) is multiple and evenly distributed. 4. A quickly detachable top-mounted ball valve according to claim 1, characterized in that a second hole (17) is provided on the upper surface of the gland (5), and an inner wall of the second hole (17) is in contact with the valve stem (19). 5. A quickly detachable top-mounted ball valve according to claim 1, characterized in that the number of the connecting pieces (10) is multiple and symmetrically distributed, and the number of the valve bodies (16) is multiple and symmetrically distributed. 6. A quickly detachable top-mounted ball valve according to claim 1, characterized in that the number of the second bolts (14) is multiple and evenly distributed, and the number of the nuts (15) is multiple and evenly distributed. 7. A quickly detachable top-mounted ball valve according to claim 1, characterized in that the front surface of the valve body (16) is in contact with the connecting piece (10). 8. A quickly detachable top-mounted ball valve according to claim 1, characterized in that the upper surface of the nut (15) is in contact with the fixing ring (11).