Electro-hydraulic valve opening and closing device

Abstract

The utility model provides an electro-hydraulic valve opening and closing device, which relates to the technical field of electro-hydraulic valves and comprises a main body mechanism and an actuating mechanism. The executing mechanism comprises a set of fixing rings, fixing bolts are inserted into the fixing rings in a penetrating mode, the fixing bolts are in threaded connection with the fixing rings, and a fixing frame is fixedly installed on the outer surface walls of the fixing rings. According to the utility model, the oil tank is pressurized by installing the filter and utilizing the hydraulic pump, so that hydraulic oil in the oil tank enters the filter, the hydraulic oil is filtered, impurities are prevented from being adhered to the interior of the air cylinder, the damage to the piston is reduced, and the influence on the sealing performance is reduced; hydraulic oil is filtered by the filter and then enters the oil suction pipe so as to enter a cavity of the air cylinder, when the hydraulic oil enters different cavities of the hydraulic cylinder, the piston is pushed to do linear motion, the piston rod is connected with a valve rod of the valve, and the valve is driven to be opened or closed.

Description

Technical Field

[0001] The utility model relates to the technical field of electro-hydraulic valves, in particular to an electro-hydraulic valve opening and closing device. Background Art

[0002] An electro-hydraulic valve is a valve device that combines electric control and hydraulic actuation. It controls the hydraulic system through electrical signals, which in turn drives the valve's opening and closing, thereby controlling the flow rate, pressure, and other parameters of fluid media (such as liquids and gases) in pipelines.

[0003] In the existing technology, the electro-hydraulic valve opening and closing device uses hydraulic oil. Some impurities, particles and other pollutants contained in the oil enter the interior of the valve and cause scratches on the sealing surface or blockage of the sealing gap, thereby affecting the sealing effect of the seal, causing oil leakage and affecting the normal operation and work efficiency of the device. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the electro-hydraulic valve opening and closing device uses hydraulic oil, and some impurities, particles and other pollutants contained in the oil enter the interior of the valve, causing scratches on the sealing surface or clogging of the sealing gap, thereby affecting the sealing effect of the seal, causing oil leakage, and affecting the normal operation and working efficiency of the device. An electro-hydraulic valve opening and closing device is proposed to solve the problem that

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: comprising: a main body mechanism and an actuator; the actuator comprises a group of fixing rings, a group of the fixing rings are penetrated with fixing bolts, the fixing bolts are threadedly connected to the fixing rings, a group of the fixing rings are fixedly installed on the outer wall of a fixing frame, a through hole is penetrated in the interior of the fixing frame, a cylinder is penetrated in the interior of the fixing frame, a second connecting plate is fixedly installed on the telescopic end of the cylinder, an oil tank is fixedly installed on one side of the fixing frame, a filter is fixedly installed on the top of the oil tank, and the output end of the filter is fixedly connected to the oil suction pipe.

[0006] Preferably, the main body mechanism includes a valve body, an outer wall of the valve body is fixedly provided with a connection port, and an outer wall of the connection port is fixedly sleeved with a flange.

[0007] Preferably, a threaded hole is provided through the interior of the flange, and a sealing ring is fixedly provided inside the valve body.

[0008] Preferably, a valve ball is fixedly arranged inside the valve body, and the valve ball is engaged with the connection port.

[0009] Preferably, a valve stem is fixedly mounted on the outer wall of the valve ball, and the valve stem is arranged inside the sealing ring.

[0010] Preferably, a first connecting plate is fixedly mounted on the top end of the valve stem, and the first connecting plate is arranged on the outer wall of the valve body.

[0011] Preferably, a group of the fixing rings are all arranged on the outer wall of the valve body, and fixing bolts are also inserted through the inside of the first connecting plate and the second connecting plate, and the fixing bolts are threadedly connected to the first connecting plate and the second connecting plate.

[0012] Compared with the prior art, the advantages and positive effects of the present invention are:

[0013] 1. In the utility model, by installing a filter and using a hydraulic pump to pressurize the oil tank, the hydraulic oil inside the oil tank enters the inside of the filter, filtering the hydraulic oil, preventing debris from adhering to the inside of the cylinder, reducing damage to the piston, and thus reducing the impact on the sealing. Under the continuous pressure of the hydraulic pump, the hydraulic oil is filtered by the filter and enters the inside of the oil suction pipe, and then enters the cavity of the cylinder. When the hydraulic oil enters different chambers of the hydraulic cylinder, it pushes the piston to move linearly. The piston rod is connected to the valve stem of the valve, driving the valve to open or close.

[0014] 2. In the present invention, a fixing ring is sleeved on the outer wall of the valve body and is threadedly connected to the second connecting plate and the first connecting plate by fixing bolts, thereby connecting the two mechanisms to each other, thereby facilitating the opening and closing of the electro-hydraulic valve. At the same time, the design of the structure also facilitates the disassembly of parts, thereby reducing the difficulty of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of an electro-hydraulic valve opening and closing device is provided for the utility model;

[0016] Figure 2 This is a three-dimensional diagram of the main mechanism of an electro-hydraulic valve opening and closing device proposed in the utility model;

[0017] Figure 3 This is a cross-sectional view of the main body of an electro-hydraulic valve opening and closing device proposed in the utility model;

[0018] Figure 4 The present invention provides a three-dimensional diagram of an actuator in an electro-hydraulic valve opening and closing device.

[0019] Legend: 1. Main body; 101. Valve body; 102. Connection port; 103. Flange; 104. Threaded hole; 105. Sealing ring; 106. Valve ball; 107. Valve stem; 108. First connecting plate; 2. Actuator; 201. Fixing ring; 202. Fixing bolt; 203. Fixing frame; 204. Through hole; 205. Cylinder; 206. Second connecting plate; 207. Oil tank; 208. Oil suction pipe; 209. Filter. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: Figure 1-Figure 4 As shown, the utility model provides an electro-hydraulic valve opening and closing device, including: a main body mechanism 1 and an actuator 2; the actuator 2 includes a group of fixing rings 201, the interior of the group of fixing rings 201 are all penetrated by fixing bolts 202, the fixing bolts 202 are threadedly connected to the fixing rings 201, the outer wall of the group of fixing rings 201 is fixedly installed with a fixing frame 203, the interior of the fixing frame 203 is penetrated by a through hole 204, the interior of the fixing frame 203 is penetrated by a cylinder 205, the telescopic end of the cylinder 205 is fixedly installed with a second connecting plate 206, an oil tank 207 is fixedly provided on one side of the fixing frame 203, a filter 209 is fixedly installed on the top of the oil tank 207, and the output end of the filter 209 is fixedly connected to the oil suction pipe 208.

[0023] The effect achieved by the entire embodiment 1 is that a fixing bolt 202 is inserted through the interior of the fixing ring 201, and the fixing bolt 202 is threadedly connected to the fixing ring 201, so as to facilitate fixing the actuator 2 to the outer wall of the valve body 101, thereby playing the role of opening and closing the valve, and a fixing frame 203 is fixedly installed on the outer wall of the fixing ring 201, and a through hole 204 is penetrated in the fixing frame 203 and inside the fixing frame 203. When the fixing ring 201 is sleeved on the outer wall of the valve body 101, the valve stem 107 is arranged inside the through hole 204, and a cylinder 205 is inserted through the interior of the fixing frame 203, and a second connecting plate 206 is fixedly installed at the telescopic end of the cylinder 205, and is threadedly connected to the second connecting plate 206 and the first connecting plate 108 by the fixing bolt 202, thereby connecting the two mechanisms to each other, thereby facilitating the opening and closing of the electro-hydraulic valve, and at the same time, the design of this structure is also convenient for parts 209, and the filter 209 is connected to the outer wall of the cylinder 205. The oil tank 207 is pressurized by the hydraulic pump so that the hydraulic oil inside the oil tank 207 enters the interior of the filter 209 and filters the hydraulic oil to prevent debris from adhering to the interior of the cylinder 205, thereby reducing damage to the piston and reducing the impact on the sealing. Under the continuous pressure of the hydraulic pump, the hydraulic oil is filtered by the filter 209 and enters the interior of the oil suction pipe 208, and then enters the cavity of the cylinder 205. When the hydraulic oil enters different chambers of the hydraulic cylinder, it pushes the piston to move linearly, and the piston rod is connected to the valve stem 107 of the valve, driving the valve to open or close.

[0024] Example 2: Figure 1-Figure 4 As shown, the main body mechanism 1 includes a valve body 101, and a connecting port 102 is fixedly provided on the outer wall of the valve body 101, and a flange 103 is fixedly sleeved on the outer wall of the connecting port 102; a threaded hole 104 is penetrated inside the flange 103, and a sealing ring 105 is fixedly provided inside the valve body 101; a valve ball 106 is fixedly provided inside the valve body 101, and the valve ball 106 is clamped with the connecting port 102; a valve stem 107 is fixedly installed on the outer wall of the valve ball 106, and the valve stem 107 is arranged inside the sealing ring 105; a first connecting plate 108 is fixedly installed on the top end of the valve stem 107, and the first connecting plate 108 is arranged on the outer wall of the valve body 101; a group of fixing rings 201 are all arranged on the outer wall of the valve body 101, and fixing bolts 202 are also penetrated and inserted into the inside of the first connecting plate 108 and the second connecting plate 206, and the fixing bolts 202 are threadedly connected to the first connecting plate 108 and the second connecting plate 206.

[0025] The effect achieved by the entire embodiment 2 is that a connection port 102 is fixedly provided on the outer wall of the valve body 101, a flange 103 is fixedly sleeved on the outer wall of the connection port 102, and a threaded hole 104 is penetrated inside the flange 103 to facilitate connection to a pipeline, and the flow state of the medium inside the pipeline is controlled by using this device, and then a valve ball 106 is provided inside the valve body 101, a valve stem 107 is fixedly installed on the outer wall of the valve ball 106, and a sealing ring 105 is fixedly provided inside the valve body 101, and the valve stem 107 is inserted into the sealing ring 105. The sealing ring 105 is used to improve the sealing effect of the contact part between the valve stem 107 and the valve body 101 to prevent leakage of the medium, and then a first connecting plate 108 is fixedly installed on the top end of the valve stem 107, and is threadedly connected to the second connecting plate 206 and the first connecting plate 108 by fixing bolts 202, thereby connecting the two mechanisms to each other, facilitating the opening and closing of the electro-hydraulic valve. At the same time, the design of this structure also facilitates the disassembly of parts, thereby reducing the difficulty of maintenance.

[0026] Working principle: When the device is in use, first, a connection port 102 is fixedly provided on the outer wall of the valve body 101, a flange 103 is fixedly sleeved on the outer wall of the connection port 102, a threaded hole 104 is penetrated inside the flange 103 to facilitate the connection of the pipeline, and the flow state of the medium inside the pipeline is controlled by the device, and then a valve ball 106 is provided inside the valve body 101, a valve stem 107 is fixedly installed on the outer wall of the valve ball 106, a sealing ring 105 is fixedly provided inside the valve body 101, the valve stem 107 is inserted into the sealing ring 105, and the sealing ring 105 is used to improve the connection between the valve stem 107 and the valve. Secondly, a fixing ring 201 is sleeved on the outer wall of the valve body 101, and a fixing bolt 202 is inserted through the inside of the fixing ring 201. The fixing bolt 202 is threadedly connected to the fixing ring 201, which is convenient for fixing the actuator 2 to the outer wall of the valve body 101 to play the role of opening and closing the valve. A fixing frame 203 is fixedly installed on the outer wall of the fixing ring 201, and a through hole 204 is penetrated in the fixing frame 203. When the fixing ring 201 is sleeved on the outer wall of the valve body 101, the valve stem 107 is set in the through hole 2 04, a cylinder 205 is inserted through the interior of the fixed frame 203, and a second connecting plate 206 is fixedly installed at the telescopic end of the cylinder 205. The fixing bolts 202 are used to thread the second connecting plate 206 and the first connecting plate 108, thereby connecting the two mechanisms to each other, which is convenient for opening and closing the electro-hydraulic valve. At the same time, the design of this structure also facilitates the disassembly of parts, thereby reducing the difficulty of maintenance; finally, an oil tank 207 is fixedly set on one side of the fixed frame 203, and a filter 209 is fixedly installed on the top of the oil tank 207. The output end of the filter 209 is fixedly connected to the oil suction pipe 208, and the oil suction pipe 208 is connected to the oil suction pipe 208. The outlet end of 08 is fixedly connected to the outer wall of the cylinder 205. The hydraulic pump is used to pressurize the oil tank 207 so that the hydraulic oil inside the oil tank 207 enters the inside of the filter 209 to filter the hydraulic oil to prevent debris from sticking to the inside of the cylinder 205, reducing damage to the piston and thus reducing the impact on the sealing. Under the continuous pressure of the hydraulic pump, the hydraulic oil is filtered by the filter 209 and enters the inside of the oil suction pipe 208, and then enters the cavity of the cylinder 205. When the hydraulic oil enters different chambers of the hydraulic cylinder, it pushes the piston to move linearly, and the piston rod is connected to the valve stem 107 of the valve, driving the valve to open or close.

[0027] The wiring diagram of the filter 209 in the present invention is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to actual use, so the control method and wiring arrangement of the filter 209 are not explained in detail.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. An electro-hydraulic valve opening and closing device, characterized in that: include: The principal agency (1) and the executive agency (2); The actuator (2) comprises a group of fixing rings (201), wherein fixing bolts (202) are inserted through the interior of each of the fixing rings (201), and the fixing bolts (202) are threadedly connected to the fixing rings (201). A fixing frame (203) is fixedly installed on the outer wall of each of the fixing rings (201), and a through hole (204) is provided through the interior of the fixing frame (203). A cylinder (205) is inserted through the interior of the fixing frame (203), and a second connecting plate (206) is fixedly installed at the telescopic end of the cylinder (205). An oil tank (207) is fixedly installed on one side of the fixing frame (203), and a filter (209) is fixedly installed on the top of the oil tank (207). The output end of the filter (209) is fixedly connected to an oil suction pipe (208).

2. The electro-hydraulic valve opening and closing device according to claim 1, characterized in that: The main body mechanism (1) comprises a valve body (101), a connection port (102) is fixedly provided on the outer wall of the valve body (101), and a flange disk (103) is fixedly sleeved on the outer wall of the connection port (102).

3. The electro-hydraulic valve opening and closing device according to claim 2, characterized in that: A threaded hole (104) is provided through the interior of the flange (103), and a sealing ring (105) is fixedly provided inside the valve body (101).

4. The electro-hydraulic valve opening and closing device according to claim 3, characterized in that: A valve ball (106) is fixedly arranged inside the valve body (101), and the valve ball (106) is engaged with the connection port (102).

5. The electro-hydraulic valve opening and closing device according to claim 4, characterized in that: A valve stem (107) is fixedly mounted on the outer wall of the valve ball (106), and the valve stem (107) is arranged inside the sealing ring (105).

6. The electro-hydraulic valve opening and closing device according to claim 5, characterized in that: A first connecting plate (108) is fixedly mounted on the top end of the valve stem (107), and the first connecting plate (108) is arranged on the outer wall of the valve body (101).

7. The electro-hydraulic valve opening and closing device according to claim 6, characterized in that: A group of the fixing rings (201) are all arranged on the outer wall of the valve body (101), and fixing bolts (202) are also inserted through the interior of the first connecting plate (108) and the second connecting plate (206), and the fixing bolts (202) are threadedly connected to the first connecting plate (108) and the second connecting plate (206).

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