Hydraulic driver for water pump valve

Abstract

The utility model discloses a hydraulic driver for a water pump valve, and particularly relates to the technical field of hydraulic drivers, which comprises an inner cylinder, an oil storage cylinder is fixedly sleeved outside the inner cylinder, a sealing disc is movably sleeved inside the inner cylinder, and a valve rod connecting rod is fixedly connected to the bottom of the sealing disc. The valve rod connecting rod is movably sleeved with the inner cylinder, the outer portion of the oil storage cylinder is fixedly sleeved with a shell, the top of the shell is fixedly connected with a top cover, and an oil injection assembly and a reset assembly are arranged outside the oil storage cylinder. A water pump valve can be automatically opened and closed through the oil injection assembly and the reset assembly; and the device main body can be conveniently taken out by opening the top cover, so that the device can be conveniently and quickly overhauled.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic drivers, and more specifically, to a water pump valve hydraulic driver. Background Art

[0002] A hydraulic actuator, or hydraulic valve, is a valve drive device that uses liquid such as oil as a power source. The existing hydraulic actuator structure mainly includes core components such as a valve body, a valve stem, and a piston. The valve stem has a unique design and is divided into an internal part and an external part. The internal part is installed inside the valve body, and the external part extends to the outside of the valve body. In the operation of the water pump, the valve and its actuator play an indispensable role. The hydraulic actuator can accurately control the opening and closing of underwater valves to achieve efficient automated management.

[0003] However, the structure of the conventional driver is relatively complicated and it is inconvenient to disassemble, which makes it inconvenient for the staff to repair and maintain the driver when it fails. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a water pump valve hydraulic driver. The technical problem to be solved by the present invention is that the traditional valve hydraulic driver is not easy to disassemble and maintain.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water pump valve hydraulic driver, comprising an inner cylinder, an oil storage cylinder is fixedly sleeved on the outside of the inner cylinder, a sealing disk is movably sleeved on the inside of the inner cylinder, a valve stem connecting rod is fixedly connected to the bottom of the sealing disk, and the valve stem connecting rod is movably sleeved inside the inner cylinder, an outer shell is fixedly sleeved on the outside of the oil storage cylinder, a top cover is fixedly connected to the top of the outer shell, and an oil filling assembly and a reset assembly are arranged on the outside of the oil storage cylinder;

[0006] The oil filling assembly includes a piston cylinder, the piston cylinder is fixedly connected to the outside of the oil storage cylinder, an oil suction pipe is connected between the piston cylinder and the oil storage cylinder, and the oil suction pipe extends to the inside of the oil storage cylinder, a refueling pipe is connected between the piston cylinder and the inner cylinder, a second electric push rod is fixedly connected to the outside of the oil storage cylinder, and the second electric push rod is fixedly connected to the piston rod of the piston cylinder, a ventilation pipe is connected between the oil storage cylinder and the inner cylinder, and a one-way valve is installed inside the oil filling pipe and the oil suction pipe;

[0007] The reset assembly includes a connecting cylinder, which is fixedly connected to the outside of the oil storage cylinder, an oil return pipe is connected between the connecting cylinder and the oil storage cylinder, an oil outlet pipe is connected between the connecting cylinder and the inner cylinder, a sealing plug is movably sleeved inside the connecting cylinder, a pull rod is fixedly connected to the bottom of the sealing plug, a first electric push rod is fixedly connected to the outside of the oil storage cylinder, and the pull rod is fixedly connected to the output end of the first electric push rod, a stabilizing disk is fixedly connected to the outside of the valve stem connecting rod, a reset spring is fixedly connected between the stabilizing disk and the oil storage cylinder, and the reset spring is movably sleeved on the outside of the valve stem connecting rod.

[0008] like Figure 1-6 As shown, the specific implementation method is: the output end of the second electric push rod drives the piston cylinder to move repeatedly, so that the hydraulic oil inside the oil storage cylinder can be sucked through the oil suction pipe, and then injected into the inner cylinder through the oil filling pipe, so that the sealing disk can be pushed down, and then the valve stem connecting rod can be pushed down, and then the valve stem can be pushed to close the water pump valve;

[0009] The first electric push rod pulls the pull rod downward, and then drives the sealing plug downward, so that the interface between the oil return pipe and the connecting cylinder is exposed, so that the oil storage cylinder and the inner cylinder are connected, and then the valve stem connecting rod can be pulled upward by the return spring, so that the water pump valve can be opened. At the same time, the valve stem connecting rod pushes the sealing disk upward, and the hydraulic oil in the inner cylinder can be squeezed into the connecting cylinder through the oil outlet pipe, and then returned to the inside of the oil storage cylinder through the oil return pipe;

[0010] The outer shell provided can provide protection for the device, and the device body can be conveniently taken out by opening the top cover, so that the device can be conveniently and quickly inspected and repaired.

[0011] In a preferred embodiment, a refueling pipe is fixedly connected to the top of the oil storage cylinder, and the refueling pipe is in communication with the oil storage cylinder, and a refueling joint is installed at one end of the refueling pipe away from the oil storage cylinder.

[0012] The provided filling pipe can be used to conveniently add or extract hydraulic oil into the oil storage cylinder.

[0013] In a preferred embodiment, two compression pads are fixedly connected to the bottom of the top cover.

[0014] The inner cylinder can be more stable inside the outer shell by providing the compression pad.

[0015] In a preferred embodiment, the top cover is fixedly connected to the top of the outer shell by four screws, a sealing ring is fixedly connected to the inside of the top cover, and the sealing ring is located at the top of the outer shell.

[0016] The sealing performance of the housing can be increased by providing a sealing ring.

[0017] In a preferred embodiment, the stabilizing disk is in contact with the inner wall of the outer shell, and a plurality of vent holes are provided inside the stabilizing disk.

[0018] The vent holes can make the stabilizing plate move more smoothly.

[0019] In a preferred embodiment, a flange is fixedly connected to the bottom of the housing, and a sealing gasket is fixedly connected to the bottom of the flange.

[0020] The device can be conveniently installed outside the water pump valve through the provided flange, and the sealing performance of the shell can be increased through the provided sealing gasket.

[0021] Technical effects and advantages of the utility model:

[0022] 1. The water pump valve can be automatically opened and closed by setting the oil injection component and reset component.

[0023] 2. The main body of the device can be easily taken out by opening the top cover, so that the device can be easily and quickly inspected and repaired. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0025] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the utility model.

[0026] Figure 3 It is a schematic diagram of the internal structure of the oil outlet pipe of the utility model.

[0027] Figure 4 It is a schematic diagram of the bottom structure of the top cover of the utility model.

[0028] Figure 5 It is a schematic diagram of the structure of the inner cylinder, oil storage cylinder and ventilation pipe of the utility model.

[0029] Figure 6 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0030] The accompanying drawings are marked as follows: 1. inner cylinder; 2. oil storage cylinder; 3. piston cylinder; 4. oil filling pipe; 5. oil suction pipe; 6. refueling pipe; 7. refueling joint; 8. one-way valve; 9. top cover; 10. sealing ring; 12. first electric push rod; 13. second electric push rod; 14. connecting cylinder; 15. oil outlet pipe; 16. oil return pipe; 17. sealing plug; 18. pull rod; 19. outer shell; 21. valve stem connecting rod; 22. stabilizing disk; 23. reset spring; 24. flange; 25. sealing gasket; 26. pressure pad; 28. ventilation pipe; 29. ​​sealing disk. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The utility model provides a water pump valve hydraulic driver, comprising an inner cylinder 1, an oil storage cylinder 2 is fixedly sleeved on the outside of the inner cylinder 1, a sealing disk 29 is movably sleeved on the inside of the inner cylinder 1, a valve stem connecting rod 21 is fixedly connected to the bottom of the sealing disk 29, and the valve stem connecting rod 21 is movably sleeved inside the inner cylinder 1, an outer shell 19 is fixedly sleeved on the outside of the oil storage cylinder 2, a top cover 9 is fixedly connected to the top of the outer shell 19, and an oil injection assembly and a reset assembly are arranged on the outside of the oil storage cylinder 2;

[0033] The oil filling assembly includes a piston cylinder 3, the piston cylinder 3 is fixedly connected to the outside of the oil storage cylinder 2, an oil suction pipe 5 is connected between the piston cylinder 3 and the oil storage cylinder 2, and the oil suction pipe 5 extends to the inside of the oil storage cylinder 2, a refueling pipe 6 is connected between the piston cylinder 3 and the inner cylinder 1, a second electric push rod 13 is fixedly connected to the outside of the oil storage cylinder 2, and the second electric push rod 13 is fixedly connected to the piston rod of the piston cylinder 3, a ventilation pipe 28 is connected between the oil storage cylinder 2 and the inner cylinder 1, and a one-way valve 8 is installed inside the oil filling pipe 4 and the oil suction pipe 5;

[0034] The reset assembly includes a connecting cylinder 14, which is fixedly connected to the outside of the oil storage cylinder 2. An oil return pipe 16 is connected between the connecting cylinder 14 and the oil storage cylinder 2, and an oil outlet pipe 15 is connected between the connecting cylinder 14 and the inner cylinder 1. A sealing plug 17 is movably sleeved inside the connecting cylinder 14, and a pull rod 18 is fixedly connected to the bottom of the sealing plug 17. The outside of the oil storage cylinder 2 is fixedly connected to the first electric push rod 12, and the pull rod 18 is fixedly connected to the output end of the first electric push rod 12. The outside of the valve stem connecting rod 21 is fixedly connected to a stabilizing disk 22, and a reset spring 23 is fixedly connected between the stabilizing disk 22 and the oil storage cylinder 2, and the reset spring 23 is movably sleeved on the outside of the valve stem connecting rod 21.

[0035] like Figure 1-6 As shown, the specific implementation method is: the output end of the second electric push rod 13 drives the piston cylinder 3 to move repeatedly, so that the hydraulic oil inside the oil storage cylinder 2 can be sucked through the oil suction pipe 5, and then injected into the inner cylinder 1 through the oil injection pipe 4, so that the sealing disk 29 can be pushed down, and then the valve stem connecting rod 21 can be pushed down, and then the valve stem can be pushed to close the water pump valve;

[0036] The first electric push rod 12 pulls the pull rod 18 downward, and then drives the sealing plug 17 downward, so that the interface between the oil return pipe 16 and the connecting cylinder 14 is exposed, so that the oil storage cylinder 2 is connected with the inner cylinder 1, and then the valve stem connecting rod 21 can be moved upward under the pull of the return spring 23, so that the water pump valve can be opened. At the same time, the valve stem connecting rod 21 pushes the sealing disk 29 upward, and the hydraulic oil inside the inner cylinder 1 can be squeezed into the connecting cylinder 14 through the oil outlet pipe 15, and then returned to the inside of the oil storage cylinder 2 through the oil return pipe 16;

[0037] The housing 19 can provide protection for the device, and the device body can be easily taken out by opening the top cover 9, so that the device can be easily and quickly inspected and repaired.

[0038] A refueling pipe 6 is fixedly connected to the top of the oil storage cylinder 2 , and the refueling pipe 6 is communicated with the oil storage cylinder 2 . A refueling connector 7 is installed at one end of the refueling pipe 6 away from the oil storage cylinder 2 .

[0039] like Figure 2-6 As shown, the specific implementation is: hydraulic oil can be easily added to or extracted from the oil storage cylinder 2 through the provided filling pipe 6.

[0040] Two compression pads 26 are fixedly connected to the bottom of the top cover 9 .

[0041] like Figure 5 As shown, the specific implementation is that the inner cylinder 1 can be made more stable inside the outer shell 19 by providing the compression pad 26 .

[0042] The top cover 9 is fixedly connected to the top of the outer shell 19 by four screws. A sealing ring 10 is fixedly connected inside the top cover 9 , and the sealing ring 10 is located at the top of the outer shell 19 .

[0043] like Figure 1-6 As shown, the specific implementation is: the sealing performance of the housing 19 can be increased by providing a sealing ring 10 .

[0044] The stabilizing plate 22 is in contact with the inner wall of the outer shell 19 , and a plurality of vent holes are formed inside the stabilizing plate 22 .

[0045] like Figure 2 As shown, the specific implementation is: the stabilizing plate 22 can move more smoothly by opening the vent holes.

[0046] A flange 24 is fixedly connected to the bottom of the housing 19 , and a sealing gasket 25 is fixedly connected to the bottom of the flange 24 .

[0047] like Figure 1-2As shown, the specific implementation is as follows: the device can be conveniently installed outside the water pump valve by means of the provided flange 24 , and the sealing performance of the housing 19 can be increased by means of the provided sealing gasket 25 .

[0048] Working principle of this utility model:

[0049] When the water pump valve needs to be opened, the output end of the second electric push rod 13 first drives the piston cylinder 3 to move repeatedly, so that the hydraulic oil inside the oil storage cylinder 2 can be sucked through the oil suction pipe 5, and then injected into the inner cylinder 1 through the oil filling pipe 4, so that the sealing disk 29 can be pushed down, and then the valve stem connecting rod 21 can be pushed down, and then the valve stem can be pushed to close the water pump valve;

[0050] When the water pump valve needs to be closed, the first electric push rod 12 pulls the pull rod 18 downward, and then drives the sealing plug 17 downward, so that the interface between the return oil pipe 16 and the connecting cylinder 14 is exposed, so that the oil storage cylinder 2 and the inner cylinder 1 are connected, and then the valve stem connecting rod 21 can be moved upward under the pull of the return spring 23, so that the water pump valve can be opened. At the same time, the valve stem connecting rod 21 pushes the sealing disk 29 upward, and the hydraulic oil inside the inner cylinder 1 can be squeezed into the inside of the connecting cylinder 14 through the oil outlet pipe 15, and then flows back into the inside of the oil storage cylinder 2 through the return oil pipe 16;

[0051] When the device needs to be repaired, the device body can be conveniently taken out by opening the top cover 9, thereby realizing convenient and quick repair of the device.

[0052] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0053] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0054] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A water pump valve hydraulic driver, comprising an inner cylinder (1), characterized in that: The outer part of the inner cylinder (1) is fixedly sleeved with an oil storage cylinder (2), the inner part of the inner cylinder (1) is movably sleeved with a sealing disk (29), the bottom of the sealing disk (29) is fixedly connected with a valve stem connecting rod (21), and the valve stem connecting rod (21) is movably sleeved inside the inner cylinder (1), the outer part of the oil storage cylinder (2) is fixedly sleeved with an outer shell (19), the top of the outer shell (19) is fixedly connected with a top cover (9), and the outer part of the oil storage cylinder (2) is provided with an oil injection component and a reset component on the outside; The oil filling assembly comprises a piston cylinder (3), the piston cylinder (3) is fixedly connected to the outside of the oil storage cylinder (2), an oil suction pipe (5) is connected between the piston cylinder (3) and the oil storage cylinder (2), and the oil suction pipe (5) extends to the inside of the oil storage cylinder (2), a refueling pipe (6) is connected between the piston cylinder (3) and the inner cylinder (1), a second electric push rod (13) is fixedly connected to the outside of the oil storage cylinder (2), and the second electric push rod (13) is fixedly connected to the piston rod of the piston cylinder (3), a ventilation pipe (28) is connected between the oil storage cylinder (2) and the inner cylinder (1), and a one-way valve (8) is installed inside the oil filling pipe (4) and the oil suction pipe (5); The reset assembly comprises a connecting cylinder (14), wherein the connecting cylinder (14) is fixedly connected to the outside of the oil storage cylinder (2), an oil return pipe (16) is connected between the connecting cylinder (14) and the oil storage cylinder (2), an oil outlet pipe (15) is connected between the connecting cylinder (14) and the inner cylinder (1), a sealing plug (17) is movably sleeved inside the connecting cylinder (14), a pull rod (18) is fixedly connected to the bottom of the sealing plug (17), the outside of the oil storage cylinder (2) is fixedly connected to a first electric push rod (12), and the pull rod (18) is fixedly connected to the output end of the first electric push rod (12), the outside of the valve stem connecting rod (21) is fixedly connected to a stabilizing disk (22), a reset spring (23) is fixedly connected between the stabilizing disk (22) and the oil storage cylinder (2), and the reset spring (23) is movably sleeved on the outside of the valve stem connecting rod (21).

2. A water pump valve hydraulic driver according to claim 1, characterized in that: A refueling pipe (6) is fixedly connected to the top of the oil storage cylinder (2), and the refueling pipe (6) is in communication with the oil storage cylinder (2). A refueling connector (7) is installed at one end of the refueling pipe (6) away from the oil storage cylinder (2).

3. A water pump valve hydraulic driver according to claim 1, characterized in that: Two compression pads (26) are fixedly connected to the bottom of the top cover (9).

4. A water pump valve hydraulic driver according to claim 1, characterized in that: The top cover (9) is fixedly connected to the top of the outer shell (19) by four screws, and a sealing ring (10) is fixedly connected to the inside of the top cover (9), and the sealing ring (10) is located at the top of the outer shell (19).

5. A water pump valve hydraulic driver according to claim 1, characterized in that: The stabilizing disk (22) is in contact with the inner wall of the outer shell (19), and a plurality of vent holes are provided inside the stabilizing disk (22).

6. A water pump valve hydraulic driver according to claim 1, characterized in that: A flange (24) is fixedly connected to the bottom of the housing (19), and a sealing gasket (25) is fixedly connected to the bottom of the flange (24).

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