Ball valve for deep sea

Abstract

The utility model relates to the technical field of ball valves, in particular to a deep sea ball valve which comprises an actuator assembly and a valve assembly. The position indicating plate on the top of the actuator box can reflect the position of a valve switch, when the actuator works in deep sea, seawater enters the valve through the inlet, at the moment, due to the fact that the middle of the actuator box is filled with hydraulic oil, the oil pressure is equal to the seawater pressure, and the hydraulic oil is conducted into the middle cavity of the box through force conductivity; the oil is transmitted into the inner hole of the stuffing box and then is transmitted into the inner hole of the stuffing box, the middle cavity of the box body is pressed, so that the oil enters the inner hole of the stuffing box through the oil inlet, the inner hole of the stuffing box is pressed, the interior of the stuffing box is in a vacuum state, the stuffing box is filled with hydraulic oil, stuffing can be always pressed, operation is convenient, cost is low, and safety and economical efficiency are high. And the valve system can be kept in a stable state, and practicability is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, concretely is a ball valve for deep sea. BACKGROUND

[0002] Ball valve is a kind of valve, and the ball is rotated around the valve stem axis by the valve stem, and it is mainly used for the adjustment and control of fluid, the ball is rotated around the valve stem axis by the valve stem, and the valve is opened and closed, and the valve seat is circular, and the soft valve seat material, such as polytetrafluoroethylene or nylon, is used to match the surface of the ball, so as to ensure good sealing performance.

[0003] In deep sea, the deeper the place, the greater the pressure, and the general ordinary valve will be extruded under this working condition, and even broken, which will cause the valve to be damaged, thereby causing the leakage of medium, therefore, a ball valve for deep sea is provided. UTILITY MODEL CONTENTS

[0004] The utility model discloses a ball valve for deep sea, to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a ball valve for deep sea, including actuator assembly and valve assembly, the actuator assembly includes actuator box body, output hole, box cover, turbine, worm, hand wheel, position indicating board, the valve assembly includes valve body, valve stem, ball, valve seat, gland, packing gland, bottom shaft, the upper surface of actuator box body is equipped with box cover, the upper surface of actuator box body and the lower surface of box cover are fixedly connected, the turbine is located at one side of actuator box body, the turbine is meshed with the worm, the worm is fixedly connected with the hand wheel, the position indicating board is installed at one side of actuator box body, the valve stem is located in the inside of valve body, the output hole is arranged between the turbine and the valve stem, the lower end of valve stem is fixedly connected with ball, the valve seat is fixedly connected to the inner side wall of valve body, the upper surface of valve body and the lower surface of gland are fixedly connected, and the inside of gland is filled with packing gland.

[0006] As a further preferred of the technical solution: the inside of actuator box body is provided with box cavity.

[0007] As a further preferred of the technical solution: the oil inlet is arranged between the box cavity and the packing gland.

[0008] As a further preferred of the technical solution: the left side wall of valve body is fixedly connected with left valve cover, and the right side wall of valve body is fixedly connected with right valve cover.

[0009] As a further preferred of the technical solution: the valve seat and the ball are provided with a valve seat sealing ring.

[0010] As a further preferred of the technical solution: the output hole is mounted in the inside of the actuator box body, and the valve rod is electrically connected with the output hole.

[0011] As a further preferred of the technical solution: the upper surface of the actuator box body is provided with an energy accumulator.

[0012] As a further preferred of the technical solution: the bottom of the valve body is provided with a threaded hole, and the bottom shaft is threadedly connected with the valve body.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The utility model discloses a valve system, which comprises an actuator assembly and a valve assembly, wherein the actuator assembly comprises an actuator box body, an output hole, a worm, a turbine, a hand wheel and a position indicating plate, and the valve assembly comprises a valve body, a valve rod, a ball, a valve seat, a gland, a packing gland and a bottom shaft. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the front view structure schematic diagram of the utility model;

[0016] Figure 2 It is the sectional view structure schematic diagram of the utility model;

[0017] Figure 3 It is the A area amplification structure schematic diagram of the utility model. Figure 2

[0018] In the drawing: 1, actuator assembly;10, actuator box body;101, output hole;111, box cavity;112, oil inlet;12, box cover;13, turbine;14, worm;15, hand wheel;16, position indicating plate;2, valve assembly;21, valve body;22, valve rod;23, ball;24, valve seat;25, gland;26, packing gland;271, left valve cover;272, right valve cover;28, valve seat sealing ring;29, bottom shaft;30, energy accumulator. ​DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. The examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0020] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "set" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Please refer to all the drawings of the specification, the present application provides a technical scheme: a kind of ball valve for deep sea, including actuator assembly 1 and valve assembly 2, actuator assembly 1 includes actuator box 10, output hole 101, box cover 12, turbine 13, worm 14, hand wheel 15, position indicating plate 16, valve assembly 2 includes valve body 21, valve stem 22, ball 23, valve seat 24, gland 25, packing gland 26, bottom shaft 29, the upper surface of actuator box 10 is equipped with box cover 12, the upper surface of actuator box 10 is fixedly connected between the lower surface of box cover 12, turbine 13 is located at one side of actuator box 10, turbine 13 is meshingly connected between worm 14, worm 14 is fixedly connected between hand wheel 15, position indicating plate 16 is installed at one side of actuator box 10, valve stem 22 is located in the inside of valve body 21, the output hole 101 is located between the turbine 13 and the valve stem 22, the lower end of valve stem 22 is fixedly connected with ball 23, valve seat 24 is fixedly connected to the inner side wall of valve body 21, the upper surface of valve body 21 is fixedly connected between the lower surface of gland 25, the inside of gland 25 is filled with packing gland 26.

[0022] In the present embodiment, specifically: the inside of actuator box 10 is provided with box cavity 111.

[0023] In the present embodiment, specifically: oil inlet 112 is arranged between box cavity 111 and packing gland 26.

[0024] In this embodiment, specifically, the left side wall of the valve body 21 is fixedly connected with a left valve cover 271, and the right side wall of the valve body 21 is fixedly connected with a right valve cover 272.

[0025] In this embodiment, specifically, a valve seat sealing ring 28 is arranged between the valve seat 24 and the ball 23.

[0026] In this embodiment, specifically, the output hole 101 is installed in the inside of the actuator box body 10, and the valve rod 22 is electrically connected with the output hole 101.

[0027] In this embodiment, specifically, the upper surface of the actuator box body 10 is installed with an energy accumulator 30.

[0028] In this embodiment, specifically, a threaded hole is arranged in the bottom of the valve body 21, and the bottom shaft 29 is threadedly connected with the valve body 21.

[0029] The working principle of the utility model is: when the hand wheel 15 is operated, the hand wheel 15 drives the worm 14 to rotate, the worm 14 drives the turbine 13 to rotate, torque is generated, the torque is transmitted to the valve rod 22 through the middle output hole 101, the valve rod 22 drives the ball 23 to rotate, thereby the flow of the valve can be cut off, the position indicating plate 16 at the top of the actuator box body 10 can reflect the position of the valve switch, when working in the deep sea, seawater enters the inside of the valve through the inlet, at this time, because the middle part of the actuator box body 10 is filled with hydraulic oil, so the oil pressure is equal to the seawater pressure, through the conductivity of force, the force is conducted to the middle cavity 111 of the box body, and then is transmitted to the inner hole of the stuffing box 26, the middle cavity 111 of the box body is under pressure, so the oil enters the inner hole of the stuffing box 26 through the oil inlet 112, at this time, the inner hole of the stuffing box 26 is under pressure, the inside of the stuffing box 26 is in a vacuum state, the inside of the stuffing box 26 is filled with hydraulic oil, so that the packing can be always compressed, thereby a ball valve for the deep sea is formed, the utility model is convenient to operate, low in cost, high in safety and economy, can keep the valve system in a stable state, and is more practical.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A deep-sea ball valve comprising an actuator assembly (1) and a valve assembly (2), characterized in that: The actuator assembly (1) comprises an actuator box (10), an output hole (101), a box cover (12), a turbine (13), a worm (14), a hand wheel (15), a position indicating plate (16), the valve assembly (2) comprises a valve body (21), a valve rod (22), a ball (23), a valve seat (24), a gland (25), a packing gland (26), a bottom shaft (29), the upper surface of the actuator box (10) is provided with the box cover (12), the upper surface of the actuator box (10) and the lower surface of the box cover (12) are fixedly connected, the turbine (13) is located on one side of the actuator box (10), the turbine (13) and the worm (14) are engagedly connected, the worm (14) and the hand wheel (15) are fixedly connected, the position indicating plate (16) is installed on one side of the actuator box (10), the valve rod (22) is located in the interior of the valve body (21), the output hole (101) is arranged between the turbine (13) and the valve rod (22), the lower end of the valve rod (22) and the ball (23) are fixedly connected, the valve seat (24) is fixedly connected to the inner side wall of the valve body (21), the upper surface of the valve body (21) and the lower surface of the gland (25) are fixedly connected, and the interior of the gland (25) is filled with the packing gland (26).

2. The deep-sea ball valve according to claim 1, characterized in that: The inside of the actuator box (10) is provided with a box cavity (111).

3. The deep-sea ball valve according to claim 2, characterized in that: The box cavity (111) and the packing gland (26) are provided with an oil inlet (112).

4. The deep-sea ball valve according to claim 2, characterized in that: The left side wall of the valve body (21) is fixedly connected with a left valve cover (271), and the right side wall of the valve body (21) is fixedly connected with a right valve cover (272).

5. The deep-sea ball valve according to claim 2, characterized in that: The valve seat (24) and the ball (23) are provided with a valve seat sealing ring (28).

6. The deep-sea ball valve according to claim 2, characterized in that: The output hole (101) is installed in the interior of the actuator box (10), and the valve rod (22) and the output hole (101) are electrically connected.

7. The deep-sea ball valve according to claim 6, characterized in that: The upper surface of the actuator box (10) is provided with an energy accumulator (30).

8. The deep-sea ball valve according to claim 6, characterized in that: The bottom of the valve body (21) is provided with a threaded hole, and the bottom shaft (29) and the valve body (21) are threadedly connected.

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