Ceramic ball valve with blow-out prevention function

Abstract

The utility model provides a ceramic ball valve with an anti-blow-out function, which relates to the technical field of ceramic ball valves and comprises a shell, a ceramic inner cavity is fixedly connected to the inner wall of the shell, an auxiliary block is fixedly connected to the outer surface of the shell, a valve rod is arranged on the inner wall of the auxiliary block, a handle is rotatably connected to the top of the auxiliary block, and the handle is fixedly connected to the outer surface of the shell. An anti-skid device is arranged on the outer surface of the handle, flanges are fixedly connected to the two sides of the shell correspondingly, auxiliary devices are arranged on one sides of the two flanges correspondingly, each auxiliary device comprises two rectangular rods, and rectangular cylinders are slidably connected to the outer surfaces of the rectangular rods. And the threaded rod can drive the rectangular rod connected with the extending block to synchronously move on the inner wall of the rectangular barrel, so that the height between the flange and the ground can be adjusted conveniently, the ball valve can abut against the ground during installation, and the problem that connection between the ball valve and a pipeline is prone to loosening is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic ball valves, in particular to a ceramic ball valve with an anti-blowout function. Background Art

[0002] The tensile strength, compressive strength, elastic modulus, hardness, etc. of ceramic materials are very high, so ceramic ball valves made of ceramics are widely used in oil refining, long-distance pipelines, chemical industry, steel and other industries. The valve stem anti-blowout structure of some ceramic ball valves refers to the anti-blowout structure design of the ball valve stem. The valve stem with a larger lower end and a smaller upper end is positioned by the upper end cover and screws. Even in the case of abnormal pressure increase in the valve cavity, it can ensure that the valve stem will not be blown out by the medium.

[0003] During the installation of the ceramic ball valve, the flanges at both ends of the ceramic ball valve need to be connected to the two ends of the pipeline respectively. However, depending on the different pipelines installed, the height between the pipeline and the ground also varies, and the height between the ball valve and the ground is fixed. This results in the installation of some ball valves, which may cause the ball valve to be unable to contact the ground due to incompatibility. In addition, the ball valve is prone to shifting because it has no support from the ground, which makes the connection between the ball valve and the pipeline easy to loosen. Utility Model Content

[0004] The utility model proposes a ceramic ball valve with anti-blowout function to solve the problem that when some ball valves are installed, the ball valves may not be able to contact the ground due to mismatch, and the ball valves are prone to shifting due to lack of ground support, which may make the connection between the ball valve and the pipeline easy to loosen.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ceramic ball valve with an anti-blowout function, comprising a shell, the inner wall of the shell is fixedly connected to a ceramic inner cavity, the outer surface of the shell is fixedly connected to an auxiliary block, the inner wall of the auxiliary block has a valve stem, the top of the auxiliary block is rotatably connected to a handle, the outer surface of the handle is provided with an anti-slip device, flanges are fixedly connected to both sides of the shell, one side of the two flanges is provided with an auxiliary device, the auxiliary device comprises two rectangular rods, the outer surface of the rectangular rods is slidably connected to a rectangular cylinder, one end of the two rectangular cylinders is fixedly connected to the same connecting plate, one side of the rectangular rods is fixedly connected to an extension block, the inner wall of one of the extension blocks is provided with a threaded rod, the outer surface of the threaded rod is threadedly connected to a threaded cylinder, one end of the two threaded cylinders is fixedly connected to a bottom plate, and one side of the bottom plate is fixedly connected to one side of the connecting plate.

[0006] The effect achieved by the above components is: by setting a threaded rod and rotating the threaded rod, the threaded rod will expand and contract on the inner wall of the threaded tube, and during the expansion and contraction process, the threaded rod will drive the rectangular rod connected to the extension block to move synchronously on the inner wall of the rectangular tube, thereby facilitating the adjustment of the height between the flange and the ground, so that the ball valve can abut against the ground during installation, which is beneficial to prevent the problem of loosening of the connection between the ball valve and the pipeline.

[0007] Preferably, a bearing is fixedly connected to the outer surface of the threaded rod, and the outer surface of the bearing is fixedly connected to the inner wall of the extension block.

[0008] The effect achieved by the above components is that by providing the bearing, the friction between the threaded rod and the extension block can be reduced when the threaded rod is rotating, making it easier to rotate the threaded rod.

[0009] Preferably, one end of the threaded rod is fixedly connected to an operating block, and a protrusion is provided on the outer surface of the operating block.

[0010] The effect achieved by the above components is: by setting the operating block, rotating the operating block can drive the threaded rod to rotate, and at the same time, the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction force of the outer surface of the operating block and has an anti-slip effect when rotating the operating block.

[0011] Preferably, a round rod is fixedly connected to one side of the other extension block, a cylinder is slidably connected to the outer surface of the round rod, and one end of the cylinder is fixedly connected to one side of the bottom plate.

[0012] The effect achieved by the above components is: by arranging the round rod and the round cylinder, when the rectangular rod moves on the inner wall of the rectangular cylinder, it will drive the round rod to slide synchronously on the inner wall of the cylinder, which can play an auxiliary limiting role for the rectangular rod and the rectangular cylinder.

[0013] Preferably, a mounting block is fixedly connected to one side of the base plate, and a latch is inserted into the inner wall of the mounting block.

[0014] The effect achieved by the above components is: by setting a pin, inserting the pin into the inner wall of the mounting block, and fixing the pin to the ground, the base plate can be fixed to the ground, and then the ball valve can be auxiliary fixed to the ground, which is helpful to prevent the ball valve from shifting.

[0015] Preferably, the anti-slip device comprises a rubber sleeve, the rubber sleeve is mounted on the outer surface of the handle, and the outer surface of the rubber sleeve is provided with a groove.

[0016] The effect achieved by the above components is that by providing the rubber sleeve with the groove, the friction force on the outer surface of the handle can be increased, so that the handle has an anti-slip effect when it is turned.

[0017] Preferably, one end of the rubber sleeve is symmetrically fixedly connected with a round hole block, the inner wall of the round hole block is inserted with a bolt, and the outer surface of the bolt is threadedly inserted into the inner wall of the handle.

[0018] The effect achieved by the above components is: by setting the circular hole block and the bolt, inserting the bolt into the inner wall of the circular hole block, and rotating the bolt so that the bolt enters the inner wall of the handle, the rubber sleeve and the handle can be fixed, which is helpful to prevent the rubber sleeve from falling off the handle.

[0019] Preferably, a limiting ring is fixedly connected to the outer surface of the handle, and one side of the limiting ring abuts against one side of the rubber sleeve.

[0020] The effect achieved by the above components is: by setting the limiting ring, one end of the rubber sleeve can be limited and positioned, which is convenient for installing and fixing the rubber sleeve to the handle.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by arranging a threaded rod, the threaded rod can drive the rectangular rod connected to the extension block to move synchronously on the inner wall of the rectangular tube, thereby facilitating the adjustment of the height between the flange and the ground, so that the ball valve can abut against the ground during installation, which is beneficial to prevent the problem of looseness of the connection between the ball valve and the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the auxiliary device of the utility model;

[0025] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A;

[0026] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at B.

[0027] Legend: 1. Shell; 2. Ceramic inner cavity; 3. Auxiliary block; 4. Valve stem; 5. Handle; 6. Anti-slip device; 61. Rubber sleeve; 62. Round hole block; 63. Bolt; 64. Limit ring; 7. Flange; 8. Auxiliary device; 81. Rectangular rod; 82. Rectangular cylinder; 83. Connecting plate; 84. Extension block; 85. Threaded rod; 86. Threaded cylinder; 87. Bottom plate; 88. Bearing; 89. Operating block; 810. Round rod; 811. Cylinder; 812. Mounting block; 813. Pin. DETAILED DESCRIPTION

[0028] Example 1, reference Figure 1-Figure 3 As shown, the present embodiment discloses a ceramic ball valve with an anti-blowout function, comprising a shell 1, an inner wall of the shell 1 is fixedly connected with a ceramic inner cavity 2, an outer surface of the shell 1 is fixedly connected with an auxiliary block 3, an inner wall of the auxiliary block 3 is provided with a valve stem 4, a handle 5 is rotatably connected with the top of the auxiliary block 3, an outer surface of the handle 5 is provided with an anti-slip device 6, flanges 7 are fixedly connected to both sides of the shell 1, one side of the two flanges 7 is provided with an auxiliary device 8, the auxiliary device 8 comprises two rectangular rods 81, an outer surface of the rectangular rod 81 is slidably connected with a rectangular tube 82, one end of the two rectangular tubes 82 is fixedly connected with the same connecting plate 83, one side of the rectangular rod 81 is fixedly connected with an extension block 84, an inner wall of one of the extension blocks 84 is provided with a threaded rod 85, the threaded rod 85 The outer surface of the threaded tube 86 is threadedly connected, and one end of the two threaded tubes 86 is fixedly connected to a bottom plate 87, and one side of the bottom plate 87 is fixedly connected to one side of the connecting plate 83. By setting a threaded rod 85 and rotating the threaded rod 85, the threaded rod 85 will extend and retract on the inner wall of the threaded tube 86. During the extension and retraction process, the threaded rod 85 will drive the rectangular rod 81 connected to the extension block 84 to move synchronously on the inner wall of the rectangular tube 82, thereby facilitating the adjustment of the height between the flange 7 and the ground, so that the ball valve can abut against the ground during installation, which is beneficial to prevent the problem of looseness of the connection between the ball valve and the pipeline. The lower end of the valve stem 4 is large and the upper end is small. Even in the case of abnormal pressure increase in the ceramic cavity 2, it can ensure that the valve stem 4 will not be blown out by the medium.

[0029] Reference Figure 2 and Figure 3 As shown, the outer surface of the threaded rod 85 is fixedly connected to a bearing 88, and the outer surface of the bearing 88 is fixedly connected to the inner wall of the extension block 84. By providing the bearing 88, the friction between the threaded rod 85 and the extension block 84 can be reduced when the threaded rod 85 is rotated, making it easier to rotate the threaded rod 85; one end of the threaded rod 85 is fixedly connected to an operating block 89, and a protrusion is provided on the outer surface of the operating block 89. By providing the operating block 89, rotating the operating block 89 can drive the threaded rod 85 to rotate. At the same time, the outer surface of the operating block 89 is provided with a protrusion, which can effectively increase the friction on the outer surface of the operating block 89 and has an anti-slip effect when the operating block 89 is rotated.

[0030] Reference Figure 2 and Figure 3As shown, one side of the other extension block 84 is fixedly connected with a round rod 810, and the outer surface of the round rod 810 is slidably connected with a cylinder 811, and one end of the cylinder 811 is fixedly connected to one side of the bottom plate 87. By setting the round rod 810 and the cylinder 811, when the rectangular rod 81 moves on the inner wall of the rectangular cylinder 82, the round rod 810 will be driven to slide synchronously on the inner wall of the cylinder 811, which can play an auxiliary limiting role for the rectangular rod 81 and the rectangular cylinder 82; one side of the bottom plate 87 is fixedly connected with a mounting block 812, and the inner wall of the mounting block 812 is inserted with a latch 813. By setting the latch 813, the latch 813 is inserted into the inner wall of the mounting block 812, and the latch 813 is fixed to the ground, so that the bottom plate 87 can be fixed to the ground, and then the ball valve can be auxiliary fixed to the ground, which is beneficial to prevent the ball valve from shifting.

[0031] Reference Figure 2 and Figure 4 As shown, the anti-slip device 6 includes a rubber sleeve 61, which is sleeved on the outer surface of the handle 5. The outer surface of the rubber sleeve 61 is provided with a groove. By providing the rubber sleeve 61 with a groove, the friction force of the outer surface of the handle 5 can be increased, so that the handle 5 has an anti-slip effect when it is turned.

[0032] Reference Figure 2 and Figure 4 As shown, one end of the rubber sleeve 61 is symmetrically fixedly connected with a circular hole block 62, and a bolt 63 is inserted into the inner wall of the circular hole block 62. The outer surface of the bolt 63 is threadedly inserted into the inner wall of the handle 5. By setting the circular hole block 62 and the bolt 63, the bolt 63 is inserted into the inner wall of the circular hole block 62, and the bolt 63 is rotated so that the bolt 63 enters the inner wall of the handle 5, so that the rubber sleeve 61 and the handle 5 can be fixed, which is beneficial to prevent the rubber sleeve 61 from separating from the handle 5; the outer surface of the handle 5 is fixedly connected with a limiting ring 64, and one side of the limiting ring 64 abuts against one side of the rubber sleeve 61. By setting the limiting ring 64, one end of the rubber sleeve 61 can be limited and positioned, which is convenient for installing and fixing the rubber sleeve 61 to the handle 5.

[0033] Working principle: When the height of the ball valve needs to be adjusted, the rotating operating block 89 drives the threaded rod 85 to rotate, and the threaded rod 85 will be extended and retracted on the inner wall of the threaded tube 86. Under the limit of the round rod 810, the threaded rod 85 will drive the rectangular rod 81 connected to the extension block 84 to move synchronously on the inner wall of the rectangular tube 82 during the extension and retraction process, and then drive the bottom plate 87 connected to the connecting plate 83 to move in the vertical direction until the bottom plate 87 moves to a suitable position, and then the pin 813 is inserted into the inner wall of the mounting block 812, and the pin 813 is fixed to the ground, so that the bottom plate 87 can be adjusted relative to the ground. The rubber sleeve 61 is fixed, and then the ball valve and the ground can be auxiliary fixed, which is beneficial to prevent the ball valve from shifting; when the rubber sleeve 61 needs to be installed, the rubber sleeve 61 is sleeved on the outer surface of the handle 5, and one end of the rubber sleeve 61 is abutted against one side of the limit ring 64, and then the bolt 63 is inserted into the inner wall of the circular hole block 62, and the bolt 63 is rotated so that the bolt 63 enters the inner wall of the handle 5, so that the rubber sleeve 61 and the handle 5 can be fixed, which is beneficial to prevent the rubber sleeve 61 from detaching from the handle 5, and the rubber sleeve 61 with the groove can increase the friction force of the outer surface of the handle 5, so that it has an anti-slip effect when the handle 5 is rotated.

Claims

1. A ceramic ball valve with anti-blowout function, comprising a housing (1), characterized in that: The inner wall of the shell (1) is fixedly connected to a ceramic inner cavity (2), the outer surface of the shell (1) is fixedly connected to an auxiliary block (3), the inner wall of the auxiliary block (3) is provided with a valve stem (4), the top of the auxiliary block (3) is rotatably connected to a handle (5), the outer surface of the handle (5) is provided with an anti-slip device (6), both sides of the shell (1) are fixedly connected to flanges (7), one side of the two flanges (7) is provided with an auxiliary device (8), the auxiliary device (8) comprises two rectangular rods (81), the rectangular rods The outer surface of the rectangular rod (81) is slidably connected to a rectangular tube (82), one end of the two rectangular tubes (82) is fixedly connected to the same connecting plate (83), one side of the rectangular rod (81) is fixedly connected to an extension block (84), the inner wall of one of the extension blocks (84) is provided with a threaded rod (85), the outer surface of the threaded rod (85) is threadedly connected to a threaded tube (86), one end of the two threaded tubes (86) is fixedly connected to a bottom plate (87), and one side of the bottom plate (87) is fixedly connected to one side of the connecting plate (83).

2. A ceramic ball valve with anti-blowout function according to claim 1, characterized in that: A bearing (88) is fixedly connected to the outer surface of the threaded rod (85), and the outer surface of the bearing (88) is fixedly connected to the inner wall of the extension block (84).

3. The ceramic ball valve with anti-blowout function according to claim 1, characterized in that: One end of the threaded rod (85) is fixedly connected to an operating block (89), and a protrusion is provided on the outer surface of the operating block (89).

4. The ceramic ball valve with anti-blowout function according to claim 1, characterized in that: A round rod (810) is fixedly connected to one side of the other extension block (84), a cylinder (811) is slidably connected to the outer surface of the round rod (810), and one end of the cylinder (811) is fixedly connected to one side of the bottom plate (87).

5. The ceramic ball valve with anti-blowout function according to claim 1, characterized in that: A mounting block (812) is fixedly connected to one side of the bottom plate (87), and a latch (813) is inserted into the inner wall of the mounting block (812).

6. The ceramic ball valve with anti-blowout function according to claim 1, characterized in that: The anti-slip device (6) comprises a rubber sleeve (61), wherein the rubber sleeve (61) is sleeved on the outer surface of the handle (5), and the outer surface of the rubber sleeve (61) is provided with a groove.

7. A ceramic ball valve with anti-blowout function according to claim 6, characterized in that: One end of the rubber sleeve (61) is symmetrically fixedly connected to a circular hole block (62), the inner wall of the circular hole block (62) is provided with a bolt (63), and the outer surface of the bolt (63) is threadedly inserted into the inner wall of the handle (5).

8. The ceramic ball valve with anti-blowout function according to claim 7, characterized in that: The outer surface of the handle (5) is fixedly connected to a limiting ring (64), and one side of the limiting ring (64) abuts against one side of the rubber sleeve (61).

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