Solenoid valve anti-vibration structure

Abstract

The utility model relates to the technical field of electromagnetic valve devices, discloses an anti-vibration structure of an electromagnetic valve, and solves the problem that the service life of a device is shortened due to the fact that the device is vibrated by a water hammer effect generated by flowing of water flow in the using process of the electromagnetic valve. A movable iron core is arranged at the lower end of the control component, a sliding valve is arranged at one end of the movable iron core, an elastic piece is arranged at one end of the sliding valve, the sliding valve comprises a sliding valve element arranged in the valve body, the sliding valve element comprises an element shell, a through hole is formed in the surface of the element shell, a plurality of sealing rings are arranged on the outer surface of the element shell, and a first spring is arranged on the inner wall of the element shell. A buffer pad is arranged at the end, away from the core shell, of the first spring, the first springs and the buffer pads are arranged on the two sides of the interior of the core shell, the first springs and the buffer pads are used for buffering and damping the water hammer effect generated by water flow turning in the moving process of the sliding valve element, conversion from hard contact to flexible contact is achieved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic valve devices, in particular to an anti-vibration structure of an electromagnetic valve. Background Art

[0002] Solenoid valve is an industrial device controlled by electromagnetics. It is a basic component for controlling fluid automation. It is an actuator and is not limited to hydraulic and pneumatic. It is used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. Solenoid valves can be used with different circuits to achieve the desired control, and the accuracy and flexibility of the control can be guaranteed. There are many types of solenoid valves, and different solenoid valves play a role in different positions in the control system. The most commonly used ones are one-way valves, safety valves, directional control valves, speed regulating valves, etc., but during use, both external and internal vibrations will inevitably occur to the solenoid valve.

[0003] The existing Chinese patent with publication number CN203099033U discloses a solenoid valve, including a main valve body, a main valve cover plate, a piston, and a piston spring. The piston corresponds to the valve cavity opening between the inlet and outlet of the main valve body. The piston spring is arranged between the upper end of the piston and the main valve cover plate. A throttling hole is arranged on the piston. Two flow holes are arranged on the main valve cover plate. A bypass pipe is arranged outside the main valve cover plate. A bypass solenoid valve is installed on the bypass pipe. The upstream end of the bypass pipe is connected to the first flow hole on the main valve cover plate, and the downstream end of the bypass pipe is connected to the second flow hole on the main valve cover plate. The second flow hole is connected to the pressure relief hole arranged on the main valve body. This solenoid valve will not be blocked by impurities in the medium and can be opened or closed reliably. However, during the use of this device, the water hammer effect generated by the flow of water will cause vibration to the device, thereby reducing the service life of the device. Utility Model Content

[0004] The utility model aims to provide a solenoid valve anti-vibration structure. By adopting the device to work, the problem that the water hammer effect caused by the flow of water during the use of the solenoid valve will vibrate the device, thereby reducing the service life of the device is solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-vibration structure of an electromagnetic valve, comprising a coil, a control component is arranged at one end of the coil, a moving iron core is arranged at the lower end of the control component, a sliding valve is arranged at one end of the moving iron core, an elastic member is arranged at one end of the sliding valve, the sliding valve comprises a sliding valve core arranged inside the valve body, the sliding valve core comprises a core shell, a through hole is opened on the surface of the core shell, a plurality of sealing rings are fixedly arranged on the outer surface of the core shell, a spring 1 is fixedly arranged on the inner wall of the core shell, a buffer pad is fixedly arranged on the end of the spring 1 away from the core shell, springs 1 and buffer pads are arranged on both sides of the interior of the core shell, and the water hammer effect generated by the change of water flow direction during the movement of the sliding valve core is buffered and reduced by the springs 1 and the buffer pads arranged on both sides, so as to realize the transition from hard contact to flexible contact, reduce the influence of vibration on the electromagnetic valve, and increase its service life.

[0006] Preferably, the sliding valve includes a magnet movably arranged inside the valve body on one side of the sliding valve core, and a hole is opened through the surface of the valve body. Through the magnetic conversion between the moving iron core and the magnet, the magnet is made to reciprocate in the valve body, thereby realizing the back and forth movement of the sliding valve core, thereby changing the flow direction.

[0007] Preferably, a buffer chamber is fixedly provided at one end of the valve body, and the buffer chamber includes a cavity, a spring 2 is fixedly provided on the inner side of the cavity, and a rubber pad is fixedly provided at one end of the spring 2. The buffer chamber is provided to form a second vibration reduction for the solenoid valve, thereby further reducing the influence of vibration.

[0008] Preferably, the elastic member includes a shell one fixedly connected to the sliding valve, a spring three is fixedly arranged inside the shell one, one end of the spring three is fixedly connected to the valve core of the sliding valve, and the spring three is arranged to cooperate with the magnet to make the valve core of the sliding valve move back and forth, and also form a second buffer vibration reduction.

[0009] Preferably, the coil includes a protective shell fixedly arranged on the outside, and a nut is movably arranged at one end of the coil. The protective shell protects the internal coil to prevent damage from the outside, and the nut is used to disassemble and assemble the coil for easy maintenance and replacement.

[0010] Preferably, the moving iron core includes an iron core arranged inside the second shell, and a nut second is fixedly provided at one end of the iron core. The iron core moves due to the magnetic transformation produced by the control component and then forms a magnetic field with the magnet, thereby controlling the movement of the magnet.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model proposes an anti-vibration structure for an electromagnetic valve, comprising a coil, a control component is arranged at one end of the coil, a moving iron core is arranged at the lower end of the control component, a sliding valve is arranged at one end of the moving iron core, an elastic part is arranged at one end of the sliding valve, the sliding valve comprises a sliding valve core arranged inside a valve body, the sliding valve core comprises a core shell, a through hole is opened on the surface of the core shell, a plurality of sealing rings are fixedly arranged on the outer surface of the core shell, a spring 1 is fixedly arranged on the inner wall of the core shell, a buffer pad is fixedly arranged on the end of the spring 1 away from the core shell, springs 1 and buffer pads are arranged on both sides of the interior of the core shell, and the water hammer effect generated by the change of direction of water flow during the movement of the sliding valve core is buffered and reduced by the springs 1 and the buffer pads arranged on both sides, so as to realize the transformation from hard contact to flexible contact, reduce the influence of vibration on the electromagnetic valve, and increase its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the slide valve structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the buffer chamber and elastic member structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the coil and moving iron core structure of the utility model.

[0017] In the figure: 1. coil; 11. protective shell; 12. nut one; 2. control components; 3. moving iron core; 31. shell two; 32. iron core; 33. nut two; 4. sliding valve; 41. valve body; 42. hole; 43. magnet; 44. sliding valve core; 441. core shell; 442. through hole; 443. spring one; 444. buffer pad; 445. sealing ring; 45. buffer cavity; 451. cavity; 452. rubber pad; 453. spring two; 5. elastic member; 51. shell one; 52. spring three. DETAILED DESCRIPTION

[0018] 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.

[0019] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0020] Combination Figure 1-2A solenoid valve vibration-proof structure includes a coil 1, a control component 2 is arranged at one end of the coil 1, a moving iron core 3 is arranged at the lower end of the control component 2, a sliding valve 4 is arranged at one end of the moving iron core 3, an elastic member 5 is arranged at one end of the sliding valve 4, the sliding valve 4 includes a sliding valve core 44 arranged inside a valve body 41, the sliding valve core 44 includes a core shell 441, a through hole 442 is opened on the surface of the core shell 441, a plurality of sealing rings 445 are fixedly arranged on the outer surface of the core shell 441, a spring 443 is fixedly arranged on the inner wall of the core shell 441, a buffer pad 444 is fixedly arranged at one end of the spring 443 away from the core shell 441, and springs 443 and buffer pads 444 are arranged on both sides of the core shell 441. Through the springs 443 and buffer pads 444 arranged on both sides, the water hammer effect generated by the change of water flow direction during the movement of the sliding valve core 44 is buffered and reduced, so as to realize the transformation from hard contact to flexible contact, reduce the influence of vibration on the solenoid valve, and increase its service life.

[0021] Combination Figure 2 The slide valve 4 includes a magnet 43 movably arranged inside the valve body 41 on one side of the slide valve core 44. A hole 42 is opened on the surface of the valve body 41. Through the magnetic conversion between the moving iron core 3 and the magnet 43, the magnet 43 makes a reciprocating motion in the valve body 41, realizing the back and forth movement of the slide valve core 44, thereby changing the flow direction.

[0022] Combination Figure 3 A buffer chamber 45 is fixedly provided at one end of the valve body 41. The buffer chamber 45 includes a cavity 451. A spring 453 is fixedly provided on the inner side of the cavity 451. A rubber pad 452 is fixedly provided at one end of the spring 453. The buffer chamber 45 is provided to form a second vibration reduction for the solenoid valve, thereby further reducing the influence of vibration.

[0023] Combination Figure 2-3 The elastic member 5 includes a shell 51 fixedly connected to the sliding valve 4, and a spring 3 52 is fixedly arranged inside the shell 51. One end of the spring 3 52 is fixedly connected to the sliding valve core 44. The spring 3 52 is arranged to cooperate with the magnet 43 to reciprocate the sliding valve core 44, and also forms a second buffer vibration reduction.

[0024] Combination Figure 4 The coil 1 includes a protective shell 11 fixedly arranged on the outside, and a nut 12 is movably arranged at one end of the coil 1. The protective shell 11 protects the internal coil 1 to prevent damage from the outside, and the nut 12 is used to disassemble and assemble the coil 1 for easy maintenance and replacement.

[0025] Combination Figure 4The moving iron core 3 includes an iron core 32 arranged inside the shell 31, and a nut 33 is fixedly arranged at one end of the iron core 32. The iron core 32 moves due to the magnetic transformation produced by the control component 2 and then forms a magnetic field with the magnet 43, thereby controlling the movement of the magnet 43.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A solenoid valve vibration-proof structure, comprising a coil (1), a control component (2) being arranged at one end of the coil (1), a moving iron core (3) being arranged at the lower end of the control component (2), a slide valve (4) being arranged at one end of the moving iron core (3), and an elastic member (5) being arranged at one end of the slide valve (4), wherein: The slide valve (4) comprises a slide valve core (44) arranged inside the valve body (41), the slide valve core (44) comprising a core shell (441), a through hole (442) being provided on the surface of the core shell (441), a plurality of sealing rings (445) being fixedly provided on the outer surface of the core shell (441), a spring 1 (443) being fixedly provided on the inner wall of the core shell (441), a buffer pad (444) being fixedly provided on one end of the spring 1 (443) away from the core shell (441), and a spring 1 (443) and a buffer pad (444) being provided on both sides of the interior of the core shell (441).

2. The solenoid valve anti-vibration structure according to claim 1, characterized in that: The slide valve (4) comprises a magnet (43) movably arranged inside the valve body (41) and located on one side of the slide valve core (44); a hole (42) is formed through the surface of the valve body (41).

3. The solenoid valve anti-vibration structure according to claim 2, characterized in that: A buffer chamber (45) is fixedly provided at one end of the valve body (41), the buffer chamber (45) comprises a chamber body (451), a second spring (453) is fixedly provided inside the chamber body (451), and a rubber pad (452) is fixedly provided at one end of the second spring (453).

4. The solenoid valve anti-vibration structure according to claim 1, characterized in that: The elastic member (5) comprises a housing 1 (51) fixedly connected to the slide valve (4), a spring 3 (52) being fixedly arranged inside the housing 1 (51), and one end of the spring 3 (52) being fixedly connected to the slide valve core (44).

5. The electromagnetic valve anti-vibration structure according to claim 1, characterized in that: The coil (1) comprises a protective shell (11) fixedly arranged on the outside, and a nut (12) is movably arranged on one end of the coil (1).

6. The electromagnetic valve anti-vibration structure according to claim 1, characterized in that: The moving iron core (3) comprises an iron core (32) arranged inside the second housing (31), and a second nut (33) is fixedly arranged at one end of the iron core (32).

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