Manual and automatic integrated plug valve with clutch

Abstract

The manual-automatic integrated plug valve comprises an electric actuator, a valve body and a driving hand wheel, the driving hand wheel is fixedly installed at the lower end of the valve body, the electric actuator is installed at the upper end of the valve body through the clutch, the clutch comprises an upper clutch body and a lower clutch body, the lower clutch body is connected with a valve element of the valve body, and the lower clutch body is connected with the valve element of the valve body. The upper clutch is connected with an output shaft of the electric actuator, and the valve and the electric actuator can be connected or disconnected through cooperative use of the upper clutch and the lower clutch. According to the manual and automatic integrated plug valve, the valve is connected with the electric actuator through the clutch, so that the situation that the electric actuator breaks down or the electric actuator and the valve body need to be separated from each other can be rapidly achieved; the plug valve opening device is simple in structure and convenient to operate, manual and automatic integration is achieved, potential safety hazards caused by manual operation of the plug valve under special working conditions are avoided, personal safety risks of operators are eliminated, and meanwhile the opening efficiency of the plug valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, and particularly relates to a manual and electric integrated plug valve with a clutch. Background Technique

[0002] At present, in cement well cementing, the plug valve is mainly manually opened and closed to complete the well cementing operation. With the development of drilling technology from shallow wells and medium-depth wells to deep wells and ultra-deep wells, the working pressure of the cementing head has gradually increased. Therefore, the operation difficulty of the plug valve has also increased accordingly, the construction efficiency of construction personnel is low, and the danger during the well cementing operation is also increasing.

[0003] The Chinese utility model patent specification CN212718108U discloses a manual and electric integrated plug valve, which realizes the integration of manual and electric operation, avoids the potential safety hazards existing in manually operating the plug valve under special working conditions, and eliminates the personal safety risks of operators.

[0004] However, even with this kind of manual and electric integrated plug valve, there are still some deficiencies. The electric drive part of the plug directly connects to the output shaft of the electric actuator through a coupling, making it impossible to quickly achieve disconnection when the electric actuator fails or other situations require disconnecting the electric actuator from the valve body. Content of the Utility Model

[0005] In view of the above problems, the utility model provides a manual and electric integrated plug valve with a clutch, which can connect or quickly disconnect the valve from the electric actuator through the coordinated use of the upper and lower clutches.

[0006] To achieve the above object, the utility model is realized by adopting the following technical solutions:

[0007] A manual and electric integrated plug valve with a clutch, comprising an electric actuator, a valve, and a driving handwheel. The driving handwheel is fixedly installed at the lower end of the valve, and the electric actuator is installed at the upper end through a clutch. The clutch includes an upper clutch and a lower clutch. The lower clutch is connected to the valve core of the valve, and the upper clutch is connected to the output shaft of the electric actuator. The coordinated use of the upper and lower clutches can connect or disconnect the valve from the electric actuator.

[0008] As a preference of the above solution, the clutch further includes a valve connector. The valve connector is fixedly connected to the electric actuator and the valve through bolts and spring washers respectively. The lower clutch, a spring, the upper clutch, and a pressure ring are sequentially installed in the valve connector. The upper clutch is in fit connection with the lower clutch when the pressure ring is tightened, and is disengaged from the lower clutch under the action of the spring when the pressure ring is loosened.

[0009] As a preference of the above solution, the upper part side of the valve connector is symmetrically provided with pressing openings, and a slider mechanism for pressing the pressure ring is arranged in the pressing openings.

[0010] Preferably, in the above solution, the slider mechanism includes a side pressure slider and a locking nut, which are movably connected by bolts and sealing rings. Rotating the locking nut can drive the front and back telescopic movement of the side pressure slider, and the fitting and disengagement of the upper and lower clutches are controlled by a pressure ring.

[0011] Preferably, in the above solution, the side pressure slider is provided with an anti-rotation surface.

[0012] Preferably, in the above solution, the end of the locking nut is provided with a hexagonal head that is convenient for disassembly and assembly by a movable wrench. The hexagonal head structure is provided with an internal hexagonal groove that is convenient for disassembly and assembly by an internal hexagonal wrench and a slotted groove that is convenient for disassembly and assembly by a flat screwdriver.

[0013] Preferably, in the above solution, a spare port is also provided on the upper side of the valve connector, and a spare plug is provided in the spare port.

[0014] Preferably, in the above solution, a positioning boss is provided on the upper end face of the valve connector, and a disassembly and assembly screwdriver opening is provided on the outside of the positioning boss. A positioning groove that matches the positioning boss is provided at the lower end of the electric actuator.

[0015] Preferably, in the above solution, a sealing ring groove, a centering stop port and a boss are provided on the lower end face of the valve connector. A sealing ring is provided in the sealing ring groove, and a groove that matches the boss is provided on the upper end face of the valve.

[0016] Preferably, in the above solution, the spring adopts a wave spring.

[0017] Due to the above structure, the beneficial effects of the present utility model are as follows:

[0018] 1. The valve is connected to the electric actuator through a clutch, so that when the electric actuator fails or other situations where the electric actuator needs to be disconnected from the valve body occur, it can be quickly realized, and the disconnection time can be shortened by 80%;

[0019] 2. The structure is simple and the operation is convenient, realizing the integration of manual and automatic operation, avoiding the safety hazards existing in manually operating the plug valve under special working conditions, eliminating the personal safety risks of operators, and at the same time improving the opening efficiency of the plug valve. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments.

[0021] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 、 Figure 3Structural schematic diagram of the valve connector of the present utility model;

[0023] Figure 4 Structural schematic diagram of the side pressure slider of the present utility model

[0024] Figure 5 Structural schematic diagram of the lock nut of the present utility model. Specific implementation manners

[0025] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with the drawings of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present utility model.

[0026] As Figures 1 to 5 shown, this embodiment provides a manual and electric integrated plug valve with a clutch, including an electric actuator 1, a valve 2, and a driving handwheel 3. The driving handwheel 3 is fixedly installed at the lower end of the valve 2, and the electric actuator 1 is installed at the upper end through a clutch. The clutch can connect or disconnect the valve 2 and the electric actuator 1.

[0027] Specifically, the clutch includes a valve connector 41. The valve connector 41 is fixedly connected to the electric actuator 1 and the valve 2 through a bolt I 5 and a spring washer 6 respectively. A lower clutch 42, a spring (the spring can be a wave spring) 43, an upper clutch 44, and a pressure ring 45 are sequentially installed in the valve connector 41. The lower clutch 42 is connected to the valve core of the valve 2, and the upper clutch 44 is connected to the output shaft of the electric actuator 1. The upper clutch 44 is in fit connection with the lower clutch 42 when the pressure ring 45 is tightened, and is disengaged from the lower clutch 42 under the action of the spring 43 when the pressure ring 45 is loosened. The coordinated use of the upper and lower clutches can connect or disconnect the valve 2 and the electric actuator 1.

[0028] In this embodiment, pressing openings 411 are symmetrically formed in the upper side surface of the valve connector 41, and a slider mechanism for pressing the pressing ring 45 is provided in the pressing openings 411. A spare opening 412 is also formed in the upper side surface of the valve connector 41, and a spare plug is provided in the spare opening 412, which can be used when the slider mechanism in the pressing opening 411 is damaged. A positioning boss 413 is provided on the upper end surface of the valve connector 41, and a disassembly and assembly screwdriver opening 414 is provided on the outer side of the positioning boss 413. A positioning groove matched with the positioning boss 413 is provided at the lower end of the electric actuator 1. The positioning boss 413 and the positioning groove are matched for positioning and centering, and at the same time, relative rotation between the valve connector 41 and the electric actuator 1 is prevented, so that the bolt I 5 connecting the two is not subjected to shear force, and further, disassembly and assembly are made easier. A sealing ring groove 415, a centering stop port 416 and a boss 417 are provided on the lower end surface of the valve connector 41. A sealing ring II 418 is provided in the sealing ring groove 415 to prevent dust. A groove 21 matched with the boss 417 is provided on the upper end surface of the valve 2. The valve connector 41 and the valve 2 are centered by the boss-groove stop port, with high coaxiality and strong torque-bearing capacity.

[0029] In this embodiment, the slider mechanism includes a side pressing slider 71 and a locking nut 72, which are movably connected by a bolt II 73 and a sealing ring I 74. Rotation of the locking nut 72 can drive the side pressing slider 71 to move back and forth telescopically, and the fitting and disengagement of the upper and lower clutches 42 are controlled through the pressing ring 45.

[0030] In this embodiment, an anti-rotation surface 711 is provided on the side pressing slider 71, so that the side pressing slider 71 is not subjected to oblique force and does not deviate. The end of the locking nut 72 is provided with a hexagonal head convenient for disassembly and assembly by an adjustable wrench. An internal hexagonal groove convenient for disassembly and assembly by an internal hexagonal wrench and a slotted groove convenient for disassembly and assembly by a flat screwdriver are formed on the hexagonal head structure. The locking nut 72 can be locked by three tools (an adjustable wrench, an internal hexagonal wrench, and a flat screwdriver).

[0031] For the manual and electric integrated plug valve in this embodiment, the valve is connected to the electric actuator through a clutch, so that when a failure occurs in the electric actuator or other situations where the electric actuator needs to be disconnected from the valve body, it can be quickly realized, and the disconnection time can be shortened by 80%. Moreover, the structure of this embodiment is simple and the operation is convenient. The integration of manual and automatic operations is realized, the potential safety hazards existing in the manual operation of the plug valve under special working conditions are avoided, the personal safety risk of the operator is eliminated, and at the same time, the opening efficiency of the plug valve is improved.

[0032] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manual and automatic integrated cock valve with a clutch, characterized in that: It includes an electric actuator, a valve, and a driving handwheel. The driving handwheel is fixedly installed at the lower end of the valve, and the electric actuator is installed at the upper end through a clutch. The clutch includes an upper clutch and a lower clutch. The lower clutch is connected to the valve core of the valve, and the upper clutch is connected to the output shaft of the electric actuator. The coordinated use of the upper and lower clutches can connect or disconnect the valve from the electric actuator.

2. The one - hand - operated and automatic - manual integrated cock valve with a clutch according to claim 1, characterized in that: The clutch further includes a valve connector. The valve connector is fixedly connected to the electric actuator and the valve respectively through bolts and spring washers. A lower clutch, a spring, an upper clutch, and a pressure ring are sequentially installed in the valve connector. The upper clutch is in fit connection with the lower clutch when the pressure ring is tightened, and is disengaged from the lower clutch under the action of the spring when the pressure ring is loosened.

3. The one - hand - operated and automatic - manual integrated cock valve with a clutch according to claim 2, characterized in that: Pressing ports are symmetrically formed on the upper side surface of the valve connector, and a slider mechanism for pressing the pressure ring is arranged in the pressing ports.

4. The one - hand - operated and automatic - manual - integrated cock valve with a clutch according to claim 3, characterized in that: The slider mechanism includes a side pressing slider and a locking nut, which are movably connected through a bolt and a sealing ring. The rotation of the locking nut can drive the front and back telescopic movement of the side pressing slider, and the fit and disengagement of the upper and lower clutches are controlled through the pressure ring.

5. The one - hand - operated and automatic - shifting cock valve with a clutch according to claim 4, characterized in that: An anti-rotation surface is arranged on the side pressing slider.

6. A manual-automatic integrated cock valve with a clutch according to claim 4, characterized in that: The end of the locking nut is provided with a hexagonal head convenient for disassembly and assembly by an adjustable wrench. An internal hexagonal groove convenient for disassembly and assembly by an internal hexagonal wrench and a slotted groove convenient for disassembly and assembly by a flat-blade screwdriver are formed on the hexagonal head structure.

7. A manual-automatic integrated cock valve with a clutch according to claim 2, characterized in that: A spare port is further formed on the upper side surface of the valve connector, and a spare plug is arranged in the spare port.

8. A manual and automatic integrated cock valve with a clutch according to claim 2, characterized in that: A positioning boss is arranged on the upper end surface of the valve connector, and a disassembly and assembly screwdriver opening is arranged outside the positioning boss. A positioning groove matched with the positioning boss is arranged at the lower end of the electric actuator.

9. The one kind of manual and automatic integrated cock valve with a clutch according to claim 2, characterized in that: A sealing ring groove, a centering stop port, and a boss are arranged on the lower end surface of the valve connector. A sealing ring is arranged in the sealing ring groove. A groove matched with the boss is arranged on the upper end surface of the valve.

10. The one - hand - operated and automatic - manual integrated cock valve with a clutch according to claim 2, characterized in that: The spring adopts a wave spring.

Images