Fluid control electromagnetic valve structure

Abstract

The utility model discloses a fluid control solenoid valve structure which is applied to the field of solenoid valves and comprises a lower valve body, the top of the lower valve body is in threaded connection with an upper valve body, a sealing groove is formed in the upper surface of the lower valve body, and a sealing ring fixedly connected with the upper valve body is clamped in the sealing groove in a sealing mode. An electromagnetic assembly is arranged in the upper valve body; the upper valve body is in threaded connection with the lower valve body, so that the upper valve body is convenient to disassemble and assemble; and under the action of the sealing groove and the sealing ring, the sealing performance of connection between the upper valve body and the lower valve body can be guaranteed. By arranging the adjusting screw rod to rotate clockwise or anticlockwise, the connecting plate can be controlled to push the push rod to move upwards and downwards, so that the interior of the lower valve body is controlled to be in a closed or circulating state, the electromagnetic valve structure can be manually operated when no electric energy is used for supplying power, and fluid can be conveniently circulated and closed when power is cut off.

Description

Technical Field

[0001] The utility model relates to the field of electromagnetic control, and particularly relates to a fluid control solenoid valve structure. Background Technique

[0002] A solenoid valve is an industrial device controlled by electricity magnetism. It is a basic automation component used to control fluids and belongs to an actuator, not limited to hydraulic and pneumatic applications. It is used in industrial control systems to adjust parameters such as the direction, flow rate, speed, and other parameters of the medium. Currently, the structures of direct-current solenoid valves used to control fluids all adopt an electric control structure. During operation, electrical energy is required for control. When an electric current passes through the coil, the iron core will be affected by magnetic force, thereby changing the position of the valve core. When the power is cut off, the coil of the solenoid valve cannot operate independently, so there are defects. To solve the above problems, we propose a fluid control solenoid valve structure. Content of the Utility Model

[0003] The purpose of the utility model is to provide a fluid control solenoid valve structure, and its advantage is that it can be manually switched when the power is cut off.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions: a fluid control solenoid valve structure, including a lower valve body, the top of the lower valve body is threadedly connected with an upper valve body, a sealing groove is opened on the upper surface of the lower valve body, and a sealing ring fixedly connected with the upper valve body is hermetically clamped inside the sealing groove. An electromagnetic component is arranged inside the upper valve body; a piston is arranged inside the lower valve body, a valve core is fixedly connected to the top of the piston, the surface of the piston is hermetically slidably connected with the inside of the upper valve body, an adjusting screw rod is arranged at the bottom of the piston, a connecting plate is threadedly connected to the surface of the adjusting screw rod, and two push rods are fixedly connected to the top of the connecting plate.

[0005] By adopting the above technical solutions, through the arrangement of the upper valve body, the lower valve body, the sealing groove and the sealing ring, it is convenient to disassemble and assemble the upper valve body; through the arrangement of the push rod, the connecting plate and the adjusting screw rod, the flow and closed state of the fluid inside the solenoid valve can be manually controlled when the power is cut off.

[0006] The utility model is further arranged as: the electromagnetic component includes an armature and a coil, and both the armature and the coil are installed inside the upper valve body.

[0007] By adopting the above technical solutions, through the arrangement of the electromagnetic component, it is used to generate electromagnetic force, thereby controlling the movement of the valve core; when the coil is energized, a strong magnetic field is generated and acts on the armature; the armature is used to receive the strong magnetic field of the coil and can generate an N pole or an S pole.

[0008] The utility model is further arranged as: a guide groove is opened inside the armature, and a valve rod is slidably connected inside the guide groove.

[0009] With the above technical solution, through the arrangement of the guide groove and the valve stem, it is used to guide the up and down movement of the valve core.

[0010] The present utility model is further arranged as follows: A spring is sleeved on the surface of the valve stem, and the top and bottom of the spring are fixedly connected to the armature and the valve core respectively through spring fixing pieces.

[0011] With the above technical solution, through the arrangement of the spring, it is used to actively push the valve core and the piston to reset and seal the fluid when the armature magnetic field disappears.

[0012] The present utility model is further arranged as follows: Two guide rods are slidably connected inside the connecting plate, and the bottom ends of the guide rods are fixedly connected to the inner wall of the lower valve body.

[0013] With the above technical solution, through the arrangement of the guide rods, it is used to limit the connecting plate to prevent the connecting plate from rotating with the adjusting screw, and at the same time, the guide rods can also linearly guide the connecting plate.

[0014] The present utility model is further arranged as follows: A hidden groove is formed on the lower surface of the lower valve body, a turning handle fixedly connected to the adjusting screw is arranged inside the hidden groove, and the surface of the adjusting screw is rotatably connected to the lower valve body through a waterproof sealing bearing.

[0015] With the above technical solution, through the arrangement of the hidden groove, it is used to hide the turning handle, and through the arrangement of the turning handle, it is convenient for the user to rotate the adjusting screw.

[0016] In summary, the present utility model has the following beneficial effects:

[0017] 1. By threadedly connecting the upper valve body and the lower valve body, the present utility model facilitates the disassembly and installation of the upper valve body; and under the action of the sealing groove and the sealing ring, the sealing performance of the connection between the upper valve body and the lower valve body can be ensured. By setting the adjusting screw to rotate clockwise or counterclockwise, the connecting plate can be controlled to push the push rod up and down, so as to control the inside of the lower valve body to be in a closed or flowing state. When there is no power supply, the solenoid valve structure can be manually operated, which is convenient for operating the fluid to flow and be sealed during power failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional view of the structure of the present utility model;

[0019] Figure 2 is a sectional view of the structure of the present utility model;

[0020] Figure 3 is the present utility model Figure 2 The enlarged view of the structure at A in.

[0021] Reference signs: 1, lower valve body; 2, upper valve body; 3, sealing groove; 4, sealing ring; 5, piston; 6, valve core; 7, adjusting screw; 8, connecting plate; 9, push rod; 10, electromagnetic assembly; 101, armature; 102, coil; 11, guide groove; 12, valve rod; 13, spring; 14, guide rod; 15, hidden groove; 16, turning handle. Detailed implementation mode

[0022] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Refer to Figure 1 、 Figure 2 and Figure 3 , a fluid control solenoid valve structure, including a lower valve body 1, the top of the lower valve body 1 is threadedly connected with an upper valve body 2, a sealing groove 3 is opened on the upper surface of the lower valve body 1, and a sealing ring 4 fixedly connected with the upper valve body 2 is hermetically clamped inside the sealing groove 3. An electromagnetic assembly 10 is arranged inside the upper valve body 2; a piston 5 is arranged inside the lower valve body 1, a valve core 6 is fixedly connected to the top of the piston 5, the surface of the piston 5 is hermetically and slidably connected with the inside of the upper valve body 2, an adjusting screw 7 is arranged at the bottom of the piston 5, a connecting plate 8 is threadedly connected to the surface of the adjusting screw 7, and two push rods 9 are fixedly connected to the top of the connecting plate 8; by threadedly connecting the upper valve body 2 and the lower valve body 1, it is convenient to disassemble and install the upper valve body 2; and under the action of the sealing groove 3 and the sealing ring 4, the sealing performance of the connection between the upper valve body 2 and the lower valve body 1 can be ensured. By setting the adjusting screw 7 to rotate clockwise or counterclockwise, the connecting plate 8 can be controlled to push the push rod 9 up and down, so as to control the inside of the lower valve body 1 to be in a closed or flowing state. When there is no power supply, the solenoid valve structure can be manually operated, which is convenient for circulating and closing the fluid when the power is off.

[0025] Furthermore, the electromagnetic assembly 10 includes an armature 101 and a coil 102. The armature 101 and the coil 102 are both installed inside the upper valve body 2. Through the setting of the electromagnetic assembly 10, it is used to generate electromagnetic force to control the movement of the valve core 6; when the coil 102 is energized, a strong magnetic field is generated and acts on the armature 101; the armature 101 is used to receive the strong magnetic field of the coil 102 and can generate an N pole or an S pole.

[0026] Furthermore, a guide groove 11 is opened inside the armature 101, and a valve rod 12 is slidably connected inside the guide groove 11. Through the setting of the guide groove 11 and the valve rod 12, it is used to guide the up and down movement of the valve core 6.

[0027] Furthermore, a spring 13 is sleeved on the surface of the valve stem 12. The top and bottom of the spring 13 are fixedly connected to the armature 101 and the valve core 6 respectively through spring fixing pieces. Through the arrangement of the spring 13, when the magnetic field of the armature 101 disappears, it is used to actively push the valve core 6 and the piston 5 to reset and seal the fluid.

[0028] Furthermore, two guide rods 14 are slidably connected inside the connecting plate 8. The bottom ends of the guide rods 14 are fixedly connected to the inner wall of the lower valve body 1. Through the arrangement of the guide rods 14, it is used to limit the connecting plate 8 to prevent the connecting plate 8 from rotating following the adjusting screw rod 7. At the same time, the guide rods 14 can also linearly guide the connecting plate 8.

[0029] Furthermore, a hidden groove 15 is formed on the lower surface of the lower valve body 1. A turning handle 16 fixedly connected to the adjusting screw rod 7 is arranged inside the hidden groove 15. The surface of the adjusting screw rod 7 is rotatably connected to the lower valve body 1 through a waterproof sealing bearing. Through the arrangement of the hidden groove 15, it is used to hide the turning handle 16. Through the arrangement of the turning handle 16, it is convenient for the user to rotate the adjusting screw rod 7.

[0030] Brief description of the usage process: During use, the power is turned on, and the coil 102 receives current and generates a strong magnetic field acting on the armature 101. After the coil 102 receives the magnetic field, it generates magnetic poles under the influence of magnetization. When the magnetic pole generated by the armature 101 is the N pole, the coil 102 will adsorb the valve core 6, causing the valve core 6 to drive the piston 5 upward and compress the spring 13 to generate a resilient force. At this time, the inside of the lower valve body 1 loses the blockage of the piston 5, and the fluid can flow through. When the magnetic pole is the S pole, the armature 101 loses the adsorption force on the valve core 6, and the spring 13 rebounds to push the valve core 6 and the piston 5 to reset. When the piston 5 resets, it blocks the fluid inside the lower valve body 1, and at this time the fluid cannot continue to flow.

[0031] When the work site loses power, the coil 102 loses current, and the armature 101 cannot generate magnetic poles. If it is necessary to use this solenoid valve structure, manually rotate the turning handle 16 clockwise to drive the adjusting screw rod 7 to rotate. The rotation of the adjusting screw rod 7 drives the connecting plate 8 to drive the push rod 9 upward. The upward movement of the push rod 9 can lift the valve core 6, causing the valve core 6 to compress the spring 13. Adjust the position of the connecting plate 8 to half the height of the thread on the surface of the adjusting screw rod 7. The connecting plate 8 does not need to contact the flow port inside the lower valve body 1. At this time, the fluid can flow through the inside of the lower valve body 1. After power is supplied, rotate the adjusting screw rod 7 counterclockwise to drive the connecting plate 8 to reset.

[0032] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contributions to this embodiment according to needs after reading this specification, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A fluid control solenoid valve structure, comprising a lower valve body (1), characterized in that: The top of the lower valve body (1) is threadedly connected to the upper valve body (2), the upper surface of the lower valve body (1) is provided with a sealing groove (3), the inner sealing of the sealing groove (3) is clamped with a sealing ring (4) fixedly connected to the upper valve body (2), and the upper valve body (2) is provided with an electromagnetic component (10); the lower valve body (1) is provided with a piston (5), the top of the piston (5) is fixedly connected to a valve core (6), the surface of the piston (5) is sealingly slidably connected to the inner part of the upper valve body (2), the bottom of the piston (5) is provided with an adjusting screw (7), the surface of the adjusting screw (7) is threadedly connected to a connecting plate (8), and the top of the connecting plate (8) is fixedly connected to two push rods (9).

2. A fluid control solenoid valve structure according to claim 1, characterized in that: The electromagnetic assembly (10) comprises an armature (101) and a coil (102), and the armature (101) and the coil (102) are both installed inside the upper valve body (2).

3. A fluid control solenoid valve structure according to claim 2, characterized in that: A guide groove (11) is provided inside the armature (101), and a valve stem (12) is slidably connected inside the guide groove (11).

4. A fluid control solenoid valve structure according to claim 3, characterized in that: A spring (13) is sleeved on the surface of the valve stem (12), and the top and bottom of the spring (13) are fixedly connected to the armature (101) and the valve core (6) respectively through spring fixing parts.

5. The fluid control solenoid valve structure according to claim 1, characterized in that: Two guide rods (14) are slidably connected inside the connecting plate (8), and the bottom ends of the guide rods (14) are fixedly connected to the inner wall of the lower valve body (1).

6. A fluid control solenoid valve structure according to claim 1, characterized in that: The lower surface of the lower valve body (1) is provided with a hidden groove (15), the interior of the hidden groove (15) is provided with a handle (16) fixedly connected to the adjusting screw (7), and the surface of the adjusting screw (7) is rotatably connected to the lower valve body (1) via a waterproof sealing bearing.

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