Eccentric semi-ball valve

Abstract

The utility model discloses an eccentric semi-ball valve, which belongs to the technical field of valves and comprises a valve body, a driving component is arranged on the valve body, a shell is arranged on one side of the driving component, a rotating handle is rotatably connected in the shell, and a control device for remotely controlling and applying driving force is mounted on the driving component. One side of the control device is fixedly connected with a rotating device used for driving the rotating handle, and the lower portion of the control device is fixedly connected with a lifting device used for adjusting the rotating handle to be manually controlled. When remote control over the valve body needs to be achieved, a control signal is sent to the controller, the controller starts the driving motor, the driving motor transmits power through the rotating shaft, the rotating shaft drives the worm to rotate through the speed reducer, and the worm further drives the worm wheel to rotate synchronously. Rotation of the worm gear drives the rotating handle to rotate synchronously through the linkage effect, so that opening or closing operation of the valve body is achieved, and the remote control function is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve technical field, especially relate to eccentric half ball valve. BACKGROUND

[0002] The eccentric half ball valve is applied to pipeline and is used for closing pipeline, controlling flow direction, adjusting and controlling conveying medium. The eccentric half ball valve usually comprises a valve stem assembly and a valve core. The valve stem assembly can drive the valve core to rotate. The valve stem assembly comprises a valve shaft and a shaft sleeve. The valve shaft is arranged in the shaft sleeve and is connected with the valve core. A sealing structure is arranged on the shaft sleeve to seal the shaft sleeve with the valve body and the valve shaft.

[0003] In the prior art, when it is necessary to quickly close the valve to deal with an emergency situation, the closing operation cannot be completed in time due to insufficient operation time, and the operation personnel usually manually rotate the operation hand wheel of the valve, which is low in efficiency and inconvenient.

[0004] Based on this, the utility model discloses an eccentric half ball valve to solve the above problems. INVENTION CONTENTS

[0005] The utility model discloses an eccentric half ball valve to solve the above problems.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] The eccentric half ball valve comprises a valve body. A driving assembly is arranged on the valve body. A housing is arranged on one side of the driving assembly. A rotating handle is rotatably connected in the housing. A control device for remote control and driving force application is installed on the driving assembly. A rotating device for driving the rotating handle is fixedly connected to one side of the control device. A lifting device for manually controlling the rotating handle is fixedly connected below the control device.

[0008] As a further description of the above technical scheme:

[0009] The control device comprises a controller and a driving motor. The controller is fixedly connected to the driving assembly. The output end of the driving motor is fixedly connected with a rotating shaft. The rotating shaft is provided with a speed reducer.

[0010] As a further description of the above technical scheme:

[0011] The cross section of the speed reducer is rectangular, and one side of the rectangle is overlapped outside the driving assembly.

[0012] As a further description of the above technical solution:

[0013] The driving motor is electrically connected with the controller.

[0014] As a further description of the above technical solution:

[0015] The rotating device comprises a worm fixedly connected to the output end of the speed reducer, a worm wheel externally engaged with the worm, and a circular hole formed in the worm wheel, wherein the worm wheel is sleeved outside the rotating handle.

[0016] As a further description of the above technical solution:

[0017] The lifting device comprises a fixed plate and a connecting plate, both of which are fixedly connected to the outside of the driving assembly, the fixed plate is provided with an electric push rod, the output end of the electric push rod is slidably connected to the connecting plate, the output end of the electric push rod is fixedly connected with a push plate, three sliding rods are fixedly connected to the lower portion of the push plate, and a limiting plate is fixedly connected to the lower portion of the sliding rods.

[0018] As a further description of the above technical solution:

[0019] The driving motor is fixedly connected to the fixed plate by bolts.

[0020] As a further description of the above technical solution:

[0021] The sliding rods are slidably connected to the connecting plate.

[0022] As a further description of the above technical solution:

[0023] 1、In the utility model, when remote control of the valve body is needed, a control signal is sent to the controller, the controller starts the driving motor, the driving motor transmits power through the rotating shaft, the rotating shaft drives the worm to rotate through the speed reducer, the worm further drives the worm wheel to rotate synchronously, the rotation of the worm wheel drives the rotating handle to rotate synchronously through linkage, thereby realizing opening or closing operation of the valve body and achieving the function of remote control.

[0024] 2、In the utility model, when the rotating handle needs to be manually operated, the electric push rod can be started, the electric push rod drives the push plate to move, the push plate drives the three sliding rods to slide in the connecting plate through the linkage mechanism, and the push plate drives the driving motor, the speed reducer and the worm to move simultaneously, so that the worm is separated from the engagement state of the worm wheel, at this time, the rotating handle can be directly manually operated, thereby realizing free switching of the control mode between remote control and manual operation. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1The utility model provides an eccentric half ball valve three-dimensional structure schematic diagram.

[0026] Figure 2 The utility model provides an eccentric half ball valve control device three-dimensional structure schematic diagram.

[0027] Figure 3 The utility model provides an eccentric half ball valve rotating device three-dimensional structure schematic diagram.

[0028] Figure 4 The utility model provides an eccentric half ball valve lifting device three-dimensional structure schematic diagram.

[0029] Legend:

[0030] 1, valve body;2, drive assembly;3, shell;4, rotating handle;5, control device;51, controller;52, drive motor;53, rotating shaft;54, speed reducer;6, rotating device;61, worm;62, worm wheel;63, round hole;7, lifting device;71, fixed plate;72, electric push rod;73, connecting plate;74, push plate;75, slide rod;76, limit plate. Specific implementation

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0032] Please refer to Figures 1-4 ,

[0033] First embodiment:

[0034] The utility model provides a technical scheme: eccentric half ball valve, including valve body 1, be equipped with drive assembly 2 on valve body 1, one side of drive assembly 2 is equipped with shell 3, rotating handle 4 is rotationally connected in shell 3, drive assembly 2 is installed with the control device 5 for remote control and exert driving force, the one side fixed connection of control device 5 is used for the rotating device 6 for drive rotating handle 4, control device 5 is fixedly connected with the lifting device 7 for adjusting rotating handle 4 for manual control under.

[0035] Specifically, as Figures 2-3As shown, the control device 5 comprises a controller 51 and a driving motor 52, by setting the controller 51 and the driving motor 52, driving the driving motor 52 through the control signal, enabling the driving motor 52 to respond quickly, realizing accurate power output, and the electrical connection mode ensures the efficiency and stability of signal transmission, reduces the response delay or error that may occur in mechanical control, especially suitable for remote control scene, this connection mode improves the automation degree of valve body 1 control, at the same time enhances the reliability of the system;

[0036] The controller 51 is fixedly connected to the driving assembly 2, and the output end of the driving motor 52 is fixedly connected with a rotating shaft 53, the rotating shaft 53 is sleeved with a speed reducer 54, the cross section of the speed reducer 54 is rectangular, and one side of the rectangle is overlapped outside the driving assembly 2, the driving motor 52 is electrically connected with the controller 51, the rotating device 6 comprises a worm 61, the worm 61 is fixedly connected to the output end of the speed reducer 54, the worm 61 is externally meshed with a worm wheel 62, by setting the speed reducer 54, the worm 61 and the worm wheel 62, the meshing structure of the worm 61 and the worm wheel 62 outputs power through the speed reducer 54, which can convert high speed into lower speed, while obtaining larger torque, this meshing design also has good self-locking characteristics, that is, when the worm 61 stops rotating, the worm wheel 62 will not reverse, thereby ensuring the fixed state of the rotating handle 4, and improving the safety and stability of valve operation;

[0037] The worm wheel 62 is sleeved outside the rotating handle 4.

[0038] When working, when remote control of the valve body 1 is needed, the controller 51 is started by sending a control signal to the controller 51, the driving motor 52 is started by the controller 51, the driving motor 52 transmits power through the rotating shaft 53, the rotating shaft 53 drives the worm 61 to rotate through the speed reducer 54, the worm 61 further drives the worm wheel 62 to rotate synchronously, the rotating handle 4 is driven to rotate synchronously by the linkage action of the worm wheel 62, thereby realizing the opening or closing operation of the valve body 1, and achieving the function of remote control.

[0039] Second embodiment:

[0040] Specifically, as Figure 4As shown, the lifting device 7 includes a fixed plate 71 and a connecting plate 73, both of which are fixedly connected outside the driving assembly 2, the fixed plate 71 is provided with an electric push rod 72, the output end of the electric push rod 72 is slidably connected in the connecting plate 73, the output end of the electric push rod 72 is fixedly connected with a push plate 74, the push plate 74 is fixedly connected with three slide rods 75 below, by arranging the push plate 74 and the slide rods 75, the push plate 74 realizes power transmission through the slide rods 75, and the fixed connection mode ensures that the force of the push plate 74 can be directly and uniformly distributed to the slide rods 75, such connection not only improves the operation stability of the slide rods 75, but also reduces the stress concentration of the push plate 74, avoids deformation or damage caused by excessive local stress, thereby improving the reliability and durability of the whole lifting device 7.

[0041] The slide rods 75 are fixedly connected with a limiting plate 76 below, the driving motor 52 is fixedly connected on the fixed plate 71 through bolts, and the slide rods 75 and the connecting plate 73 form a sliding connection.

[0042] When the handle 4 needs to be manually operated, the electric push rod 72 can be started, the electric push rod 72 drives the push plate 74 to move, the push plate 74 drives the three slide rods 75 to slide in the connecting plate 73 through the linkage mechanism, at the same time, the push plate 74 drives the driving motor 52, the speed reducer 54 and the worm 61 to move together, so that the worm 61 is disengaged from the meshing state of the worm gear 62, at this time, the handle 4 can be directly manually operated, thereby realizing the free switching between the remote control and the manual operation of the control mode.

[0043] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. Eccentric half-sphere valve comprising a valve body (1), characterized in that, The valve body (1) is provided with a drive assembly (2), one side of the drive assembly (2) is provided with a shell (3), the shell (3) is rotatably connected with a rotating handle (4), the drive assembly (2) is provided with a control device (5) for remote control and driving force, one side of the control device (5) is fixedly connected with a rotating device (6) for driving the rotating handle (4), and the control device (5) is fixedly connected with a lifting device (7) for adjusting the rotating handle (4) to be manually controlled.

2. The eccentrically-pivoting half-ball valve according to claim 1, characterized in that The control device (5) comprises a controller (51) and a driving motor (52), the controller (51) is fixedly connected to the drive assembly (2), the output end of the driving motor (52) is fixedly connected with a rotating shaft (53), and the rotating shaft (53) is provided with a speed reducer (54).

3. The eccentrically-pivoting half-ball valve according to claim 2, characterized in that The cross section of the speed reducer (54) is rectangular, and one side of the rectangle is overlapped outside the drive assembly (2).

4. The eccentrically-pivoting half-ball valve according to claim 3, characterized in that The driving motor (52) and the controller (51) are electrically connected.

5. The eccentrically-pivoting half-ball valve according to claim 1, wherein The rotating device (6) comprises a worm (61), the worm (61) is fixedly connected to the output end of the speed reducer (54), the worm (61) is externally meshed with a worm wheel (62), the worm wheel (62) is internally provided with a circular hole (63), and the worm wheel (62) is sleeved outside the rotating handle (4).

6. The eccentrically-pivoting half-ball valve according to claim 2, characterized in that The lifting device (7) comprises a fixed plate (71) and a connecting plate (73), the fixed plate (71) and the connecting plate (73) are fixedly connected outside the drive assembly (2), the fixed plate (71) is provided with an electric push rod (72), the output end of the electric push rod (72) is slidably connected in the connecting plate (73), the output end of the electric push rod (72) is fixedly connected with a push plate (74), the push plate (74) is fixedly connected with three slide rods (75) below, and the slide rods (75) are fixedly connected with limit plates (76) below.

7. The eccentrically-pivoting half-ball valve according to claim 6, characterized in that The driving motor (52) is fixedly connected to the fixed plate (71) by bolts.

8. The eccentrically-pivoting half-ball valve according to claim 7, characterized in that The slide rods (75) and the connecting plate (73) are slidably connected.

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