Valve rotary drive

Abstract

This utility model discloses a valve rotation drive device, including a manual control compartment, a gear compartment located at the lower end of the manual control compartment, a hydraulic compartment located at the end of the gear compartment away from the manual control compartment, and a rocker arm detachably connected to one end of the manual control compartment. One end of the rocker arm is provided with a quick-connect cover. The split structure allows the entire drive device to occupy less space during use. When manual drive is required, a hand crank assembly can be installed for manual operation, which can improve the flexibility of the entire drive device. In addition, other structures can be selected for drive based on the shape of the quick-connect protrusion, such as a wrench or other electric devices, as long as they can connect with the quick-connect protrusion and enable the drive gear to rotate, which can greatly save manpower.

Description

Technical Field

[0001] This utility model relates to the field of valves, and in particular to a valve rotation drive device. Background Technology

[0002] Hydraulic valves are widely used in pipeline systems across various industries to control the opening and closing of pipelines. In the event of a sudden power outage, in order to protect the pipeline system equipment, it is required to immediately close or open the corresponding pipeline. However, at this time, the hydraulic system loses power and cannot drive the hydraulic valve. Generally, hydraulic valves have a manual emergency drive method, which commonly involves using a wrench to directly rotate the valve stem end to achieve valve rotation. This method requires a sufficient lever arm and a large operating space, and is only suitable for small-diameter valves or valves with low opening torque. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is: it requires a sufficient lever arm, a large operating space, and is only applicable to small-diameter valves or valves with low opening torque.

[0004] The above-mentioned technical problems are solved by the following technical solution: This utility model proposes a valve rotation drive device, which includes,

[0005] The manual control compartment includes a gear compartment located at the lower end of the manual control compartment. A hydraulic compartment is located at the end of the gear compartment away from the manual control compartment, and a valve body is installed on the gear compartment.

[0006] A joystick is detachably connected to one end of the manual control compartment, and one end of the joystick is provided with a quick-connect cap.

[0007] In a preferred embodiment of the valve rotation drive device of this utility model: a bearing seat is provided in the manual control compartment, and a lead screw is provided on the bearing seat.

[0008] In a preferred embodiment of the valve rotation drive device of this utility model: a quick-connect protrusion is provided at one end of the lead screw, and a lead screw nut is provided on the lead screw.

[0009] In a preferred embodiment of the valve rotation drive device of this utility model: a first rack is provided on the lead screw nut, and the end of the first rack away from the lead screw nut extends into the gear compartment.

[0010] In a preferred embodiment of the valve rotation drive device of this utility model: a drive gear is provided in the gear compartment, and the drive gear is meshed with the first rack.

[0011] In a preferred embodiment of the valve rotation drive device of this utility model: a second rack is provided in the hydraulic chamber, pistons are provided at both ends of the second rack, and an oil port is provided on the hydraulic chamber.

[0012] In a preferred embodiment of the valve rotation drive device of this utility model: the second rack and the drive gear are meshed together.

[0013] In a preferred embodiment of the valve rotation drive device of this utility model: a positioning groove is provided on the quick-connect cover, and the size of the positioning groove is adapted to the size of the quick-connect protrusion.

[0014] In a preferred embodiment of the valve rotation drive device of this utility model, the rocker arm is configured with an "L" shape.

[0015] In a preferred embodiment of the valve rotation drive device of this utility model: the first rack and the second rack are symmetrically arranged about the drive gear, and the dimensions of the first rack and the second rack are adapted to each other.

[0016] The advantages of this utility model are as follows: the split structure can make the entire drive device occupy less space when in use. When manual drive is required, the hand crank component can be installed for manual drive, which can improve the flexibility of the entire drive device. In addition, other structures can be selected for drive according to the shape of the quick-connect protrusion, such as a wrench or other electric device, as long as it can be connected to the quick-connect protrusion and the drive gear can be rotated, which can greatly save manpower. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments of this utility model will be briefly described below. Obviously, the drawings described below only relate to some embodiments of this utility model and are not intended to limit the scope of this utility model. Wherein:

[0018] Figure 1 A schematic diagram of the overall structure of this utility model is shown;

[0019] Figure 2 A schematic diagram of the disassembled structure of the rocker arm and lead screw is shown;

[0020] Figure 3 A schematic diagram of the installation structure of this utility model is shown. Detailed Implementation

[0021] To enable those skilled in the art to better understand this utility model, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0022] The terminology used in this invention refers to those general terms currently widely used in the art in consideration of the functionality of this invention; however, these terms may vary according to the intent, precedent, or new technology of those skilled in the art. Furthermore, specific terms may be chosen by the applicant, and in such cases, their detailed meanings will be described in the detailed description of this invention. Therefore, the terminology used in this specification should not be construed as simple names, but rather based on the meaning of the terms and the overall description of this invention.

[0023] Reference Figure 1 This embodiment provides a valve rotation drive device, including a manual control chamber 1, a gear chamber 2 disposed at the lower end of the manual control chamber 1, a hydraulic chamber 3 disposed at the end of the gear chamber 2 away from the manual control chamber 1, a valve body 6 disposed on the gear chamber 2, a rocker arm 4 detachably connected to one end of the manual control chamber 1, a quick-connect cover 5 disposed at one end of the rocker arm 4, the rocker arm 4 having an "L" shaped structure, a positioning groove 51 provided on the quick-connect cover 5, the size of the positioning groove 51 being adapted to the size of the quick-connect protrusion 15, and a manual drive assembly including a valve body 6 mounted on the manual control chamber 1. The lead screw 11 is located inside the manual control chamber 1. Both ends of the lead screw 11 are fixed to the inner wall of the manual control chamber 1 by bearing seats 12, which allows the lead screw 11 to rotate stably inside the manual control chamber 1. A lead screw nut 14 is provided on the lead screw 11. When the lead screw 11 rotates, it can drive the lead screw nut 14 to move left and right on the lead screw 11. The bottom of the lead screw nut 14 is fixedly connected to a first rack 15 that meshes with the drive gear 21. The movement of the lead screw nut 14 can drive the first rack 15 to move, thereby causing the drive gear 21 to rotate.

[0024] refer to Figure 2In one embodiment provided in this application, a bearing seat 11 is provided inside the manual control chamber 1, a lead screw 12 is provided on the bearing seat 11, a quick-connect protrusion 15 is provided at one end of the lead screw 12, a lead screw nut 13 is provided on the lead screw 12, a first rack 14 is provided on the lead screw nut 13, the end of the first rack 14 away from the lead screw nut 13 extends into the gear chamber 2, a drive gear 21 is provided inside the gear chamber 2, and the drive gear 21 is meshed with the first rack 14. A second rack 31 is provided inside the hydraulic chamber 3. Pistons 32 are provided at both ends of the second rack 31, and oil ports 33 are provided on the hydraulic chamber 3. The second rack 31 is meshed with the drive gear 21. The first rack 14 and the second rack 31 are symmetrically arranged about the drive gear 21. The dimensions of the first rack 14 and the second rack 31 are compatible with each other. The split structure can make the entire drive device occupy less space when in use. When manual drive is required, a hand crank component can be installed for manual drive, which can improve the flexibility of the entire drive device. In addition, other structures can be selected for drive according to the shape of the quick-connect protrusion 13, such as a wrench or other electric device, as long as it can connect with the quick-connect protrusion 13 and enable the drive gear 21 to rotate, which can greatly save manpower.

[0025] refer to Figures 1 to 3 The system comprises a manual control chamber 1, a gear chamber 2 located at the lower end of the manual control chamber 1, a hydraulic chamber 3 located at the end of the gear chamber 2 furthest from the manual control chamber 1, a rocker arm 4 detachably connected to one end of the manual control chamber 1, and a quick-connect cover 5 at one end of the rocker arm 4. A drive gear 21 is located inside the gear chamber 2, meshing with a first rack 14. A second rack 31 is located inside the hydraulic chamber 3, with pistons 32 at both ends of the second rack 31. An oil port 33 is provided on the hydraulic chamber 3, and a positioning groove 51 is provided on the quick-connect cover 5. The size of the positioning groove 51 matches the size of the quick-connect protrusion 15. The pistons 32 and the hydraulic chamber 3 form a bidirectional hydraulic cylinder structure. Oil ports 33 are provided on both sides of the hydraulic chamber 3. By pumping hydraulic oil into the hydraulic chamber 3 through different oil ports 33, the hydraulic drive components can be driven in different directions, thereby causing the drive gear 21 to rotate and controlling the valve.

[0026] In use, when the hydraulic drive device loses power or malfunctions, it is installed via the quick-connect cover 5 on the rocker arm 4. With the quick-connect groove 51 on the quick-connect cover 5 connected to the quick-connect protrusion 15 on the lead screw 12, the hand crank assembly is connected to the manual drive assembly. Rotating the hand crank assembly can drive the drive gear 21. When the lead screw 12 is rotated, the lead screw nut 13 connected to the lead screw 12 will be moved, thereby driving the first rack 14 to move, causing the drive gear 21 to rotate, driving the second rack 31 that meshes with it to move, thus driving the valve. Due to the presence of the rocker arm 4, the arm strength required by the operator can be greatly reduced. At the same time, the piston 32 and the hydraulic chamber 3 form a bidirectional hydraulic cylinder structure. Both sides of the hydraulic chamber 3 are provided with oil ports 33. By pumping hydraulic oil into the hydraulic chamber 3 from different oil ports 33, the hydraulic drive assembly can be driven in different directions, thereby driving the drive gear 21 to rotate, and thus controlling the valve.

[0027] Finally, it should be noted that the methods and devices described in detail above are merely embodiments, and those skilled in the art can modify these embodiments in different ways as long as they do not depart from the scope of this utility model.

Claims

1. A valve rotation drive device, characterized in that: include, Manual control compartment (1), gear compartment (2) located at the lower end of the manual control compartment (1), hydraulic compartment (3) located at the end of the gear compartment (2) away from the manual control compartment (1), and valve body (6) located on the gear compartment (2); The joystick (4) is detachably connected to one end of the manual control compartment (1), and one end of the joystick (4) is provided with a quick-connect cover (5).

2. The valve rotation drive device according to claim 1, characterized in that: The manual control compartment (1) is provided with a bearing seat (11), and a lead screw (12) is provided on the bearing seat (11).

3. The valve rotation drive device according to claim 2, characterized in that: One end of the lead screw (12) is provided with a quick-connect protrusion (15), and a lead screw nut (13) is provided on the lead screw (12).

4. The valve rotation drive device according to claim 3, characterized in that: The lead screw nut (13) is provided with a first rack (14), and the end of the first rack (14) away from the lead screw nut (13) extends into the gear compartment (2).

5. The valve rotation drive device according to claim 4, characterized in that: The gear compartment (2) is provided with a drive gear (21), which meshes with the first rack (14).

6. The valve rotation drive device according to claim 1, characterized in that: The hydraulic chamber (3) is provided with a second rack (31), and pistons (32) are provided at both ends of the second rack (31). The hydraulic chamber (3) is provided with an oil port (33).

7. The valve rotation drive device according to claim 6, characterized in that: The second rack (31) is meshed with the drive gear (21).

8. The valve rotation drive device according to claim 1, characterized in that: The quick-connect cover (5) has a positioning groove (51) and the size of the positioning groove (51) is adapted to the size of the quick-connect protrusion (15).

9. The valve rotation drive device according to claim 8, characterized in that: The rocker arm (4) is configured with an "L" shape.

10. The valve rotation drive device according to claim 4, characterized in that: The first rack (14) and the second rack (31) are symmetrically arranged about the drive gear (21), and the dimensions of the first rack (14) and the second rack (31) are adapted to each other.

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