A leak-proof high-pressure ball valve and method of using the same

Abstract

A leak-proof high-pressure ball valve and a method for using the same, comprising a valve body, a sphere movably connected inside the valve body, a valve stem vertically fixedly installed in the middle of the top of the sphere, the top of the valve stem passing through the valve body and fixedly connected to the middle of the bottom side of a rotating block, a handle horizontally fixedly installed in the middle of the right side of the rotating block, an infrared transmitter disposed at the left end of the lower surface of the handle, an infrared receiver disposed at the right end of the upper surface of the valve body, a housing fixedly installed at the left end of the upper surface of the valve body, and a sliding iron block slidably connected inside the housing. The present invention can drive the sphere to rotate and further open the valve body through the combination of the rotating block, the handle and the valve stem, and can automatically lock the rotating block when closing the valve body through the combination of the infrared transmitter, the infrared receiver, the sliding iron block, the electromagnet, the positioning pin and the positioning groove to prevent the staff from accidentally touching the handle to rotate the sphere and causing it to leak.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure ball valves, and in particular to a leakage-proof high-pressure ball valve and a use method thereof. Background Art

[0002] High-pressure ball valve refers to a valve whose opening and closing parts are driven by the valve stem and rotate around the axis of the valve stem. It is used in hydraulic machinery and equipment, hydraulic switches, natural gas, etc. High-pressure ball valves came out in the 1950s. With the rapid development of science and technology, the continuous improvement of production technology and product structure, it has rapidly developed into a major valve type in just 40 years.

[0003] In the process of realizing the present invention, the inventors found that there are at least the following problems in the prior art that have not been solved: 1. The existing high-pressure ball valve mainly performs sealing operations by driving the internal ball to rotate through a handle, but during use, it is easy to accidentally touch the handle to drive the ball to rotate, causing leakage of the high-pressure ball valve; 2. The high-pressure valve body is sealed only by the ball, and the sealing effect is limited. Therefore, we propose a leak-proof high-pressure ball valve, which can lock the handle on the one hand, and perform secondary sealing on the guide groove inside the ball on the other hand, thereby further improving the sealing performance of the high-pressure ball valve. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a leakage-proof high-pressure ball valve, which includes a valve body, a sphere is movably connected inside the valve body, a valve stem is vertically fixedly installed in the middle of the top end of the sphere, the top end of the valve stem penetrates the valve body and is fixedly connected to the middle of the bottom side of the rotating block, a handle is horizontally fixedly installed in the middle of the right side of the rotating block, an infrared transmitter is arranged at the left end of the lower surface of the handle, an infrared receiver is arranged at the right end of the upper surface of the valve body, a shell is fixedly installed at the left end of the upper surface of the valve body, a sliding iron block is slidably connected inside the shell, a positioning pin is horizontally fixedly installed in the middle of the right side of the sliding iron block, springs are arranged at the upper and lower ends of the left side of the sliding iron block, an electromagnet is fixedly installed in the middle of the left inner wall of the shell, a positioning groove is horizontally opened in the middle of the left side of the rotating block, the right end of the positioning pin penetrates the shell and is movably connected to the positioning groove, a guide groove is horizontally opened in the middle of the left side of the sphere, and a controller is arranged on the upper surface of the rotating block.

[0005] Furthermore, a mounting groove is opened in the middle of the inner wall at the bottom end of the guide groove, a servo motor is fixedly installed inside the mounting groove, a rotating rod is fixedly installed on the motor shaft of the servo motor, a baffle is movably connected inside the guide groove, and the rotating rod vertically penetrates the baffle and is fixedly connected to the baffle.

[0006] Furthermore, a rubber ring is bonded to the outer side of the baffle by glue, and the outer side of the rubber ring is in contact with the inner wall of the guide groove.

[0007] Furthermore, the infrared transmitter is vertically aligned with the infrared receiver, and the positioning pin is horizontally aligned with the positioning slot.

[0008] Furthermore, connecting rods are horizontally fixedly installed at the upper and lower ends inside the shell, and connecting grooves are horizontally penetrated at the upper and lower ends of the left side of the sliding iron block. The connecting rod penetrates the connecting groove and is slidably connected, and the spring is sleeved on the outside of the connecting rod.

[0009] Furthermore, the input end of the controller is electrically connected to an external power supply through a wire, the output end of the controller is electrically connected to the input end of the electromagnet and the servo motor through a wire, the signal output end of the infrared transmitter is connected to the signal input end of the infrared receiver, the data output end of the infrared receiver is connected to the data input end of the controller, and the signal output end of the controller is connected to the signal input end of the electromagnet and the servo motor.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. The present invention provides a leak-proof high-pressure ball valve, which can drive the ball to rotate and further open the valve body through the combination of a rotating block, a handle and a valve stem. When the valve body is closed, the rotating block can be automatically locked through the combination of an infrared transmitter, an infrared receiver, a sliding iron block, an electromagnet, a positioning pin and a positioning groove, so as to prevent the staff from accidentally touching the handle to rotate the ball and cause leakage.

[0012] 2. The present invention provides a leakage-proof high-pressure ball valve, which combines a servo motor, a rotating rod and a baffle. When the valve body is closed, the servo motor can drive the baffle to rotate, thereby automatically sealing the guide groove inside the ball body, further improving the sealing effect of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0014] Figure 1 This is a front view of a leak-proof high-pressure ball valve of the present invention;

[0015] Figure 2 This is a schematic structural diagram of part A of a leakage-proof high-pressure ball valve of the present invention;

[0016] Figure 3 The present invention is a front view of a baffle plate of a leakage-proof high-pressure ball valve.

[0017] In the figure: 1. valve body; 2. ball; 3. valve stem; 4. rotating block; 5. handle; 6. infrared transmitter; 7. infrared receiver; 8. shell; 9. slide block; 10. positioning pin; 11. spring; 12. electromagnet; 13. connecting rod; 14. connecting groove; 15. positioning groove; 16. guide groove; 17. mounting groove; 18. servo motor; 19. rotating rod; 20. baffle; 21. controller; 22. rubber ring. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0019] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or connected or set in one piece; the models of electrical appliances provided in the present invention are for reference only. For ordinary technicians in this field, different models of electrical appliances with the same functions can be replaced according to actual usage conditions. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figures 1 to 3, the composition structure of the present invention is given, the leakage-proof high-pressure ball valve comprises a valve body 1, the valve body 1 is movably connected with a ball 2 inside, a valve stem 3 is vertically fixedly installed in the middle of the top of the ball 2, the top of the valve stem 3 passes through the valve body 1 and is fixedly connected to the middle of the bottom side of the rotating block 4, a handle 5 is horizontally fixedly installed in the middle of the right side of the rotating block 4, and an infrared transmitter 6 is arranged at the left end of the lower surface of the handle 5; an infrared receiver 7 is arranged at the right end of the upper surface of the valve body 1, and a shell is fixedly installed at the left end of the upper surface of the valve body 1 The housing 8 comprises a sliding iron block 9, a positioning pin 10 is fixedly installed horizontally in the middle of the right side of the sliding iron block 9, and springs 11 are arranged at the upper and lower ends of the left side of the sliding iron block 9. An electromagnet 12 is fixedly installed in the middle of the left inner wall of the housing 8. A positioning groove 15 is horizontally opened in the middle of the left side of the rotating block 4. The right end of the positioning pin 10 penetrates the housing 8 and is movably connected with the positioning groove 15. A guide groove 16 is horizontally opened in the middle of the left side of the sphere 2, and a controller 21 is arranged on the upper surface of the rotating block 4.

[0022] Through the combination of the rotating block 4, the handle 5 and the valve stem 3, the ball 2 can be driven to rotate and further open the valve body 1. Through the combination of the infrared transmitter 6, the infrared receiver 7, the sliding iron block 9, the electromagnet 12, the positioning pin 10 and the positioning groove 15, when the valve body 1 is closed, the rotating block 4 can be automatically locked to prevent the staff from accidentally touching the handle 5 to rotate the ball 2 and cause it to leak.

[0023] A mounting groove 17 is provided in the middle of the inner wall at the bottom end of the guide groove 16, and a servo motor 18 is fixedly installed inside the mounting groove 17. A rotating rod 19 is fixedly installed on the motor shaft of the servo motor 18. A baffle 20 is movably connected inside the guide groove 16, and the rotating rod 19 vertically penetrates the baffle 20 and is fixedly connected to the baffle 20. When the valve body 1 is closed, the servo motor 18 can drive the baffle 20 to rotate, thereby automatically sealing the guide groove 16 on the inner side of the ball 2, thereby further improving the sealing effect of the valve body 1.

[0024] A rubber ring 22 is glued to the outer side of the baffle plate 20 , and the outer side of the rubber ring 22 fits with the inner wall of the guide groove 16 , which can improve the connection sealing performance between the baffle plate 20 and the inner wall of the guide groove 16 .

[0025] The infrared transmitter 6 is vertically aligned with the infrared receiver 7, and the positioning pin 10 is horizontally aligned with the positioning groove 15, which can improve the use accuracy of the device.

[0026] Connecting rods 13 are fixedly installed horizontally at the upper and lower ends inside the shell 8, and connecting grooves 14 are horizontally penetrated at the upper and lower ends of the left side of the sliding iron block 9. The connecting rod 13 penetrates the connecting groove 14 and is slidably connected. The spring 11 is sleeved on the outside of the connecting rod 13, which can improve the movement stability of the sliding iron block 9 and limit the spring 11 at the same time.

[0027] The input end of the controller 21 is electrically connected to the external power supply through a wire, the output end of the controller 21 is electrically connected to the input end of the electromagnet 12 and the servo motor 18 through a wire, the signal output end of the infrared transmitter 6 is connected to the signal input end of the infrared receiver 7, the data output end of the infrared receiver 7 is connected to the data input end of the controller 21, and the signal output end of the controller 21 is connected to the signal input end of the electromagnet 12 and the servo motor 18. The controller 21 can control the operation of the electromagnet 12 and the servo motor 18.

[0028] The method of using the leakage-proof high-pressure ball valve of the present invention is as follows: during operation, the handle 5 can drive the rotating block 4 to rotate, and the rotating block 4 further drives the ball 2 to rotate through the valve stem 3 to seal the valve body 1. At this time, the infrared transmitter 6 is vertically aligned with the infrared receiver 7, and the infrared receiver 7 can receive the signal sent by the infrared transmitter 6. The infrared receiver 7 transmits the data to the controller 21, and the controller 21 controls the electromagnet 12 to cut off the power, and the magnetic attraction disappears. Through the elastic force of the spring 11, the positioning pin 10 on the right side of the sliding iron block 9 can be pushed into the positioning groove 15, and the rotating block 4 is further locked. At the same time, the controller 21 controls the servo motor 18 to work, and the baffle 20 is driven to rotate through the rotating rod 19, and the guide groove 16 in the middle of the ball 2 is further sealed, thereby improving the sealing effect of the valve body 1.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A leak-proof high-pressure ball valve, characterized in that: The invention comprises a valve body (1), wherein a ball (2) is movably connected inside the valve body (1), a valve stem (3) is vertically fixedly installed in the middle of the top end of the ball (2), the top end of the valve stem (3) passes through the valve body (1) and is fixedly connected to the middle of the bottom side of a rotating block (4), a handle (5) is horizontally fixedly installed in the middle of the right side of the rotating block (4), an infrared transmitter (6) is arranged at the left end of the lower surface of the handle (5), an infrared receiver (7) is arranged at the right end of the upper surface of the valve body (1), a shell (8) is fixedly installed at the left end of the upper surface of the valve body (1), and the inside of the shell (8) A sliding iron block (9) is slidably connected, a positioning pin (10) is horizontally fixedly installed in the middle of the right side of the sliding iron block (9), springs (11) are arranged at the upper and lower ends of the left side of the sliding iron block (9), an electromagnet (12) is fixedly installed in the middle of the left inner wall of the shell (8), a positioning groove (15) is horizontally opened in the middle of the left side of the rotating block (4), the right end of the positioning pin (10) penetrates the shell (8) and is movably connected to the positioning groove (15), a guide groove (16) is horizontally penetrated in the middle of the left side of the sphere (2), and a controller (21) is arranged on the upper surface of the rotating block (4); A mounting groove (17) is provided in the middle of the inner wall at the bottom end of the guide groove (16), a servo motor (18) is fixedly installed inside the mounting groove (17), a rotating rod (19) is fixedly installed on the motor shaft of the servo motor (18), a baffle (20) is movably connected inside the guide groove (16), and the rotating rod (19) vertically penetrates the baffle (20) and is fixedly connected to the baffle (20); The outer side of the baffle (20) is bonded with a rubber ring (22) by glue, and the outer side of the rubber ring (22) is in contact with the inner wall of the guide groove (16); The infrared transmitter (6) is vertically aligned with the infrared receiver (7), and the positioning pin (10) is horizontally aligned with the positioning groove (15); The upper and lower ends of the housing (8) are horizontally fixedly installed with connecting rods (13), the upper and lower ends of the left side of the sliding iron block (9) are horizontally penetrated with connecting grooves (14), the connecting rod (13) penetrates the connecting groove (14) and is slidably connected, and the spring (11) is sleeved on the outside of the connecting rod (13); The input end of the controller (21) is electrically connected to an external power supply via a wire, the output end of the controller (21) is electrically connected to the input ends of the electromagnet (12) and the servo motor (18) via a wire, the signal output end of the infrared transmitter (6) is connected to the signal input end of the infrared receiver (7), the data output end of the infrared receiver (7) is connected to the data input end of the controller (21), and the signal output end of the controller (21) is connected to the signal input end of the electromagnet (12) and the servo motor (18).

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