Oil pressure electromagnetic valve structure

Abstract

The utility model relates to the technical field of hydraulic control, and discloses an oil pressure electromagnetic valve structure which comprises a first valve body and a second valve body, a junction box is assembled on the side, away from the second valve body, of the first valve body, internal threads are formed in the inner wall of the second valve body, an electromagnetic box is arranged in the first valve body, a valve element is assembled in the second valve body, and the electromagnetic box is connected with the valve element. An armature is fixedly connected to the end, away from the electromagnetic box, of the valve element, a compressed spring is fixedly connected to the side, away from the valve element, of the armature, protection assemblies are arranged in the first valve body and the second valve body correspondingly, a check ring is arranged in the second valve body, and a magnetism isolating ring is assembled at the end, close to the second valve body, of the electromagnetic box. According to the oil pressure electromagnetic valve, under the cooperation of the first valve body, the second valve body, the internal threads, the mounting ring, the connecting ring, the clamping groove and other structures, rapid disassembly and assembly of the oil pressure electromagnetic valve are achieved, and maintenance time and labor cost can be saved.

Description

Technical Field

[0001] This utility model relates to the field of hydraulic control technology, and in particular to a hydraulic solenoid valve structure. Background Technology

[0002] A hydraulic solenoid valve is an electromagnetic control valve used to control the flow of hydraulic fluid in a hydraulic system. It mainly consists of a valve body, a valve core, and a solenoid coil. Its working principle is that when the solenoid coil is energized, the generated magnetic field causes the valve core to overcome resistance such as spring force, thereby changing the relative position between the valve core and the valve body. This allows for the opening, closing, or throttling of the hydraulic fluid passage, thus controlling the flow direction, pressure, and flow rate of the hydraulic fluid to meet the working requirements of different hydraulic equipment. When the solenoid coil is de-energized, the magnetic field disappears, and the valve core returns to its initial position under the action of spring force, and the flow state of the hydraulic fluid changes accordingly.

[0003] However, traditional hydraulic solenoid valves typically integrate all functional components into one unit. The electromagnetic drive, valve core control, and valve body connection are all tightly combined through complex machining and assembly processes. This greatly increases the difficulty of disassembly and maintenance when disassembly or maintenance is required. Due to the lack of a flexible disassembly and assembly structure, if a component of the solenoid valve fails, maintenance personnel cannot easily replace the damaged module individually, making the disassembly process extremely cumbersome. It requires the sequential removal of numerous interconnected components, consuming a significant amount of time and manpower. Therefore, a hydraulic solenoid valve structure is proposed to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a hydraulic solenoid valve structure, which aims to improve the problems of inconvenient maintenance, cumbersome disassembly process, and high manpower and time consumption caused by the use of an integrated structure in the prior art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A hydraulic solenoid valve structure includes a valve body one and a valve body two. A junction box is installed on the side of the valve body one away from the valve body two. An internal thread is formed on the inner wall of the valve body two. An solenoid box is installed inside the valve body one. A valve core is installed inside the valve body two. An armature is fixedly connected to the end of the valve core away from the solenoid box. A compression spring is fixedly connected to the side of the armature away from the valve core. Protective components are provided inside both the valve body one and the valve body two. A retaining ring is provided inside the valve body two. A magnetic shielding ring is installed at the end of the solenoid box near the valve body two.

[0007] As a further description of the above technical solution:

[0008] The protective assembly includes a mounting ring disposed inside the valve body, and a connecting ring is fitted on the side of the mounting ring away from the junction box.

[0009] As a further description of the above technical solution:

[0010] The valve body one and the valve body two are connected by the internal thread.

[0011] As a further description of the above technical solution:

[0012] The valve body 2 is internally fitted with a guide sleeve, and the compression spring abuts against the armature and the guide sleeve.

[0013] As a further description of the above technical solution:

[0014] The retaining ring is sleeved on the outside of the valve core, and the junction box is electrically connected to the solenoid box.

[0015] As a further description of the above technical solution:

[0016] Both the mounting ring and the connecting ring have a slot in the middle.

[0017] As a further description of the above technical solution:

[0018] The end of the junction box near the valve body 2 is engaged with the slot.

[0019] As a further description of the above technical solution:

[0020] A sealing ring is provided between the junction box and the valve body 2, and a sealing ring 2 is provided inside the valve body 2. A heat dissipation hole is provided in the middle of the valve body 2.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, valve body one and valve body two are connected by internal threads. During maintenance and assembly, maintenance personnel can easily rotate the valve body according to the direction of the internal threads to achieve quick separation and assembly of the two, which greatly improves maintenance efficiency and effectively solves the problem of cumbersome disassembly of traditional integrated structures. Through the slot design in the middle of the mounting ring and connecting ring, the connection between the junction box and the valve body is more convenient, further saving the maintenance time and labor costs of the hydraulic solenoid valve.

[0023] 2. In this utility model, the sealing ring 1 tightly fits the connection surface between the junction box and the valve body 1, blocking external impurities and preventing oil leakage, ensuring the safety and stability of the electrical connection. The sealing ring 2 prevents oil leakage between different pressure areas, maintaining the pressure stability of the hydraulic system. Excess heat is dissipated in time through the heat dissipation hole, maintaining a suitable internal temperature of the solenoid valve, comprehensively improving the control reliability of the hydraulic solenoid valve, and ensuring the stable operation of the hydraulic solenoid valve. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of the structure of a hydraulic solenoid valve proposed in this utility model;

[0025] Figure 2 This is a schematic diagram of the internal thread of a hydraulic solenoid valve structure proposed in this utility model;

[0026] Figure 3 This is a schematic diagram of the protective component of a hydraulic solenoid valve structure proposed in this utility model.

[0027] Legend:

[0028] 1. Valve body one; 2. Valve body two; 3. Junction box; 4. Solenoid box; 5. Valve core; 6. Armature; 7. Compression spring; 8. Guide sleeve; 9. Retaining ring; 10. Internal thread; 11. Protective component; 12. Mounting ring; 13. Connecting ring; 14. Slot; 15. Magnetic shielding ring; 16. Sealing ring one; 17. Sealing ring two; 18. Heat dissipation hole. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Reference Figures 1-3This utility model provides an embodiment of a hydraulic solenoid valve structure, including a valve body 1 and a valve body 2. A junction box 3 is installed on the side of the valve body 1 away from the valve body 2. An internal thread 10 is provided on the inner wall of the valve body 2. An electromagnetic box 4 is provided inside the valve body 1. A valve core 5 is installed inside the valve body 2. An armature 6 is fixedly connected to the end of the valve core 5 away from the electromagnetic box 4. A compression spring 7 is fixedly connected to the side of the armature 6 away from the valve core 5. Both the valve body 1 and the valve body 2 are provided with protective components 11. A retaining ring 9 is provided inside the valve body 2. A magnetic shielding ring 15 is installed at the end of the electromagnetic box 4 near the valve body 2. The valve body 1 and the valve body 2 are connected by the internal thread 10. A guide sleeve 8 is installed inside the valve body 2. The compression spring 7 abuts against the armature 6 and the guide sleeve 8.

[0031] Specifically, when junction box 3 is energized, the current is stably transmitted to solenoid box 4, which then generates a magnetic field. This magnetic field exerts a force on armature 6, causing armature 6 to overcome the elastic force of compression spring 7, thereby driving valve core 5 to move. When junction box 3 is de-energized, the magnetic field of solenoid box 4 quickly disappears, compression spring 7 returns to its initial deformation, pushing armature 6 and valve core 5 back to their original positions, and the oil flow state also returns to the initial setting. Through the drive of solenoid box 4 and the control of valve core 5, the accuracy and response speed of oil control are ensured. In the maintenance and assembly process, valve body 1 and valve body 2 use internal threads 10 The connection design allows maintenance personnel to easily separate valve body 1 or valve body 2 by rotating them in the direction of the internal thread 10 during disassembly, improving disassembly efficiency. During assembly, rotating them in the opposite direction will tightly screw them together. Traditional integrated structures require the sequential removal of numerous interconnected components during maintenance, a process that is extremely cumbersome and time-consuming. With the slot 14 in the middle of the mounting ring 12 and connecting ring 13, the connection between junction box 3 and valve body 2 is more convenient and efficient, further saving maintenance time and labor costs, and improving the overall efficiency of hydraulic solenoid valve maintenance.

[0032] Reference Figure 2 and Figure 3 The protective component 11 includes a mounting ring 12, which is located inside the valve body 1. A connecting ring 13 is fitted on the side of the mounting ring 12 away from the junction box 3. A slot 14 is provided in the middle of both the mounting ring 12 and the connecting ring 13. The end of the junction box 3 near the valve body 2 is engaged with the slot 14. A sealing ring 16 is provided between the junction box 3 and the valve body 2. A sealing ring 17 is provided inside the valve body 2. A heat dissipation hole 18 is provided in the middle of the valve body 2.

[0033] Specifically, by setting a sealing ring 16, which tightly fits the connection between the junction box 3 and the valve body 1, dust, moisture and other impurities are blocked, which helps to ensure the stability and safety of the electrical connection. By setting a sealing ring 17, the elasticity and oil resistance of the sealing ring 17 are used to fit the gaps between different pressure zones, preventing oil leakage and helping to improve the reliability and accuracy of oil control. By setting a heat dissipation hole 18, heat exchange and air convection are used to circulate the internal and external air, changing the traditional inefficient heat dissipation and heat accumulation of solenoid valves, maintaining a suitable internal temperature, and ensuring the long-term stable operation of the hydraulic solenoid valve.

[0034] Working principle: When junction box 3 is powered on, the current is transmitted to solenoid box 4, which generates a magnetic field. The magnetic field acts on armature 6, causing it to overcome the elastic force of spring 7 and drive valve core 5 to move. At this time, under the pressure of the hydraulic system, oil enters from valve body 2 and passes through the channel changed by the movement of valve core 5, thereby controlling the direction, flow rate and pressure of the oil to meet the working requirements of the hydraulic system. When junction box 3 is powered off, the magnetic field of solenoid box 4 disappears, spring 7 returns to its deformation, pushes armature 6 and valve core 5 to reset, and the oil flow state returns to the initial setting.

[0035] During maintenance and assembly, valve body 1 and valve body 2 are connected by internal thread 10. When disassembling, the maintenance personnel rotate valve body 1 or valve body 2 in the direction of rotation of internal thread 10 to separate the two and improve disassembly efficiency. When assembling, the two are rotated in the opposite direction to screw them together. The slot 14 in the middle of the mounting ring 12 and connecting ring 13 makes it easier to connect junction box 3 and valve body 2.

[0036] During the operation of the solenoid valve, the magnetic shielding ring 15 effectively blocks and changes the propagation path of the stray magnetic field generated when the solenoid box 4 is working, thereby confining the magnetic field to the key action area. The sealing ring 16 tightly fits the contact surface of the junction box 3 and the valve body 1, preventing the intrusion of external impurities. The sealing ring 17 prevents oil leakage between different pressure areas. The heat dissipation hole 18 utilizes the principle of heat exchange and air convection to circulate and exchange cold air outside and hot air inside.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A hydraulic solenoid valve structure, comprising valve body one (1) and valve body two (2), characterized in that: A junction box (3) is installed on the side of valve body one (1) away from valve body two (2). An internal thread (10) is provided on the inner wall of valve body two (2). An electromagnetic box (4) is provided inside valve body one (1). A valve core (5) is installed inside valve body two (2). An armature (6) is fixedly connected to the end of valve core (5) away from electromagnetic box (4). A compression spring (7) is fixedly connected to the side of armature (6) away from valve core (5). A protective component (11) is provided inside both valve body one (1) and valve body two (2). A retaining ring (9) is provided inside valve body two (2). A magnetic shielding ring (15) is installed on the end of electromagnetic box (4) near valve body two (2).

2. The hydraulic solenoid valve structure according to claim 1, characterized in that: The protective assembly (11) includes a mounting ring (12) disposed inside the valve body (1), and a connecting ring (13) is fitted on the side of the mounting ring (12) away from the junction box (3).

3. The hydraulic solenoid valve structure according to claim 1, characterized in that: The valve body one (1) and the valve body two (2) are connected by the internal thread (10).

4. The hydraulic solenoid valve structure according to claim 1, characterized in that: The valve body 2 (2) is internally fitted with a guide sleeve (8), and the compression spring (7) abuts against the armature (6) and the guide sleeve (8).

5. The hydraulic solenoid valve structure according to claim 1, characterized in that: The retaining ring (9) is sleeved on the outside of the valve core (5), and the junction box (3) is electrically connected to the solenoid box (4).

6. The hydraulic solenoid valve structure according to claim 2, characterized in that: Both the mounting ring (12) and the connecting ring (13) have a slot (14) in the middle.

7. The hydraulic solenoid valve structure according to claim 6, characterized in that: The junction box (3) is engaged with the slot (14) at one end near the valve body (2).

8. The hydraulic solenoid valve structure according to claim 7, characterized in that: A sealing ring (16) is provided between the junction box (3) and the valve body (2), a sealing ring (17) is provided inside the valve body (2), and a heat dissipation hole (18) is provided in the middle of the valve body (2).

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