Mechanical switch type electromagnetic valve

Abstract

The utility model discloses a mechanical switch type electromagnetic valve, which relates to the technical field of electromagnetic valves and comprises a shell, a controller is mounted on the outer wall of one side of the shell, a valve cover is sleeved in the shell, a valve seat is fixedly connected to the bottom surface of the valve cover, internal thread sleeves are fixedly connected to the two ends of the valve seat, and the internal thread sleeves are fixedly connected to the outer wall of one side of the shell. The connecting pipeline penetrates through the rotating block to be inserted into the valve seat, the rotating block is rotated through a wrench, the external thread pressing plate is gradually screwed out through threaded connection of the external thread pressing plate and the internal thread sleeve, and the connecting pipeline is connected with the inner wall of the internal thread sleeve in a threaded mode to be inserted into the valve seat. The outer wall of the connecting pipe in the internal thread sleeve is pressed and fixed to achieve internal self-locking, and a sealing ring on the inner wall of the rotating block is matched to seal the connecting pipe connector, so that the connecting pipe connector is stably connected with a connecting pipeline; therefore, leakage caused by loosening in the subsequent use process is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic valves, in particular to a mechanical switch type electromagnetic valve. Background Art

[0002] Solenoid valves are industrial equipment controlled by electromagnetics. They are basic automation components used to control fluids. They are actuators and are not limited to hydraulics or pneumatics. They are used in industrial control systems to adjust the direction, flow, speed and other parameters of the medium. Solenoid valves can be used in conjunction with different circuits to achieve the desired control, and the control accuracy and flexibility can be guaranteed. Mechanical switch solenoid valves are devices that use electromagnetic principles to control the flow of fluids.

[0003] However, in the prior art, during long-term use, the connection between the solenoid valve and the pipeline is not stable enough and is prone to loosening, which damages the sealing of the solenoid valve connection, causing leakage of the medium passing through the inside and causing losses. Utility Model Content

[0004] The utility model aims to solve the problem that the connection between the solenoid valve and the pipeline in the prior art is not stable enough and is easy to loosen during long-term use, thereby damaging the sealing of the solenoid valve connection, causing leakage of the medium passing through the inside and causing losses, and proposes a mechanical switch solenoid valve.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mechanical switch solenoid valve, comprising an outer shell, a controller is installed on one outer wall of the outer shell, a valve cover is sleeved inside the outer shell, a valve seat is fixedly connected to the bottom surface of the valve cover, both ends of the valve seat are fixedly connected to an internal threaded sleeve, the inner wall of the internal threaded sleeve is threadedly connected to an external threaded pressure plate, one end of the external threaded pressure plate is fixedly connected to a rotating block, an inner splint is arranged inside the internal threaded sleeve, one end of the inner splint is fixedly connected to the outer wall of one end of the valve seat, the outer wall of the inner splint is movably connected to the inner wall of the external threaded pressure plate, a sealing ring is fixedly connected to the inner wall of the rotating block, and a contraction groove is provided through the outer wall of the inner splint.

[0006] Preferably, a coil is fixedly mounted on the inner wall of the shell, the shell is fixedly sleeved on the upper part of the valve cover, and the top surface of the valve cover is fixedly connected with fixing bolts.

[0007] Preferably, a gasket is arranged at the center of the top surface of the shell, a nut is arranged above the gasket, and the gasket is movably sleeved on the outer wall of the fixing bolt.

[0008] Preferably, the nut is threadedly sleeved on the outer wall of the fixing bolt, and the housing is fixedly connected to the valve cover via the fixing bolt and the nut.

[0009] Preferably, a fixed iron core is fixedly connected to the top inner wall of the valve cover, and a movable groove is provided inside the valve cover.

[0010] Preferably, the inner wall of the movable groove is movably connected to a moving iron core, the top surface of the moving iron core is fixedly connected to a return spring, and the top end of the return spring is fixedly connected to the inner top surface of the movable groove.

[0011] Preferably, the inner wall of the valve seat is movably connected with a valve core, and the top surface of the valve core is fixedly connected to the bottom end of the moving iron core.

[0012] Preferably, a protective outer plate is fixedly connected to the middle outer wall of the valve seat.

[0013] Preferably, the inner wall of the protective outer plate is fixedly connected with sound-absorbing cotton, and the sound-absorbing cotton is fixedly connected to the outer wall of the valve seat.

[0014] Preferably, the controller is electrically connected to the coil.

[0015] Compared with the prior art, the advantages and positive effects of the utility model are:

[0016] 1. In the utility model, the connecting pipe is inserted into the valve seat through the rotating block, and the rotating block is rotated by using a wrench. The threaded connection between the external thread pressing plate and the internal threaded sleeve is used to gradually unscrew the external thread pressing plate, thereby applying pressure to the outside of the inner clamping plate to tighten it inward, and the outer wall of the connecting pipe in the internal threaded sleeve is pressed and fixed to achieve internal self-locking, and the sealing ring on the inner wall of the rotating block is used to seal the connecting pipe interface, so that the utility model and the connecting pipe maintain a firm connection, thereby effectively preventing loosening and leakage during subsequent use.

[0017] 2. In the present invention, nuts and fixing bolts are provided so that the outer shell and the valve cover can be quickly installed or disassembled, which is convenient for the user to perform subsequent maintenance on the present invention. The outer protective plate is used to further protect the outside of the valve seat, and the noise generated by the passage of the fluid in the valve seat is silenced by the sound-absorbing cotton, thereby reducing the noise impact of the present invention on the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional structural schematic diagram of a mechanical switch type solenoid valve is proposed for the utility model;

[0019] Figure 2 The utility model provides a schematic diagram of the internal structure of an internal threaded sleeve of a mechanical switch type solenoid valve;

[0020] Figure 3 A three-dimensional structural schematic diagram of a mechanical switch type solenoid valve is proposed for the utility model;

[0021] Figure 4 The utility model proposes a mechanical switch type solenoid valve Figure 3 A magnified view of the structure in the middle.

[0022] Legend: 1. Outer shell; 11. Coil; 2. Valve seat; 21. Internally threaded sleeve; 22. Protective outer plate; 23. Rotating block; 24. Contraction groove; 25. Externally threaded pressure plate; 26. Inner clamping plate; 27. Sealing ring; 28. Silencing cotton; 3. Controller; 4. Valve cover; 41. Moving iron core; 42. Fixed iron core; 43. Reset spring; 44. Movable groove; 45. Valve core; 46. Fixing bolt; 47. Nut; 48. Gasket. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] 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 of the following disclosure.

[0025] Embodiment 1: Figure 1 - Figure 4 As shown, the utility model provides a mechanical switch type solenoid valve, including a shell 1, a controller 3 is installed on the outer wall of one side of the shell 1, a valve cover 4 is sleeved inside the shell 1, a valve seat 2 is fixedly connected to the bottom surface of the valve cover 4, both ends of the valve seat 2 are fixedly connected to an internal threaded sleeve 21, the inner wall of the internal threaded sleeve 21 is threadedly connected to an external threaded pressing plate 25, one end of the external threaded pressing plate 25 is fixedly connected to a rotating block 23, an inner clamping plate 26 is arranged inside the internal threaded sleeve 21, one end of the inner clamping plate 26 is fixedly connected to the outer wall of one end of the valve seat 2, the outer wall of the inner clamping plate 26 is movably connected to the inner wall of the external threaded pressing plate 25, a sealing ring 27 is fixedly connected to the inner wall of the rotating block 23, a contraction groove 24 is penetrated through the outer wall of the inner clamping plate 26, a protective outer plate 22 is fixedly connected to the middle outer wall of the valve seat 2, a silencer 28 is fixedly connected to the inner wall of the protective outer plate 22, the silencer 28 is fixedly connected to the outer wall of the valve seat 2, and the controller 3 is electrically connected to the coil 11.

[0026] The specific settings and functions of this embodiment are described in detail below. The connecting pipe is inserted into the valve seat 2 through the rotating block 23, and the rotating block 23 is rotated by using a wrench. The threaded connection between the external threaded pressure plate 25 and the internal threaded sleeve 21 is used to gradually unscrew the external threaded pressure plate 25, thereby applying pressure to the outside of the inner clamping plate 26 to tighten it inward, and the outer wall of the connecting pipe in the internal threaded sleeve 21 is compressed and fixed to achieve internal self-locking, and the sealing ring 27 on the inner wall of the rotating block 23 is used to seal the connecting pipe interface, so that the utility model maintains a firm connection with the connecting pipe, thereby effectively preventing loosening and leakage during subsequent use. The noise generated by the passage of fluid in the valve seat 2 is silenced by the setting of the silencer cotton 28, thereby reducing the noise impact of the utility model on the outside.

[0027] Embodiment 2: Figure 1 - Figure 4 As shown, the inner wall of the shell 1 is fixedly installed with a coil 11, the shell 1 is fixedly sleeved on the upper part of the valve cover 4, the top surface of the valve cover 4 is fixedly connected with a fixing bolt 46, a gasket 48 is arranged at the center of the top surface of the shell 1, a nut 47 is arranged above the gasket 48, the gasket 48 is movably sleeved on the outer wall of the fixing bolt 46, the nut 47 is threadedly sleeved on the outer wall of the fixing bolt 46, the shell 1 is fixedly connected to the valve cover 4 through the fixing bolt 46 and the nut 47, the top inner wall of the valve cover 4 is fixedly connected with a fixed iron core 42, the inside of the valve cover 4 is provided with a movable groove 44, the inner wall of the movable groove 44 is movably connected with a moving iron core 41, the top surface of the moving iron core 41 is fixedly connected with a return spring 43, the top end of the return spring 43 is fixedly connected to the inner top surface of the movable groove 44, the inner wall of the valve seat 2 is movably connected with a valve core 45, and the top surface of the valve core 45 is fixedly connected to the bottom end of the moving iron core 41.

[0028] The effect achieved by the entire embodiment is that the control coil 11 is energized by connecting the controller 3 to the external power supply, so that the fixed iron core 42 generates magnetic force to attract the moving iron core 41, thereby controlling the valve core 45 to lift in the valve seat 2 to realize the internal passage, and the elastic deformation of the reset spring 43 is used to make the fixed iron core 42 lose its magnetic force after power is cut off, and then push the moving iron core 41 to reset to realize the internal closure of the valve seat 2. Through the arrangement of the nut 47 and the fixing bolt 46, the outer shell 1 and the valve cover 4 can be quickly installed or disassembled, which is convenient for users to perform subsequent maintenance of the utility model.

[0029] The method of use and working principle of the present device are as follows: during use, the user inserts the connecting pipe through the rotating block 23 into the valve seat 2, and rotates the rotating block 23 by using a wrench, and gradually unscrews the external threaded pressing plate 25 by utilizing the threaded connection between the external threaded pressing plate 25 and the internal threaded sleeve 21, thereby applying pressure to the outside of the inner clamping plate 26 to tighten it inward, and compress and fix the outer wall of the connecting pipe in the internal threaded sleeve 21 to achieve internal self-locking, and cooperate with the sealing ring 27 on the inner wall of the rotating block 23 to seal the connecting pipe interface, so that the utility model maintains a firm connection with the connecting pipe, thereby effectively preventing loosening during subsequent use, and energizing the control coil 11 connected to the external power supply through the controller 3, so that the fixed iron core 42 generates magnetic force to attract the moving iron core 41, thereby controlling the valve core 45 to lift in the valve seat 2 to achieve an internal passage, and utilizing the elastic deformation of the reset spring 43 to make the fixed iron core 42 lose its magnetic force after being powered off, and push the moving iron core 41 to reset to achieve internal closure of the valve seat 2.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. 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 and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A mechanical switch type solenoid valve, comprising a housing (1), characterized in that: A controller (3) is installed on the outer wall of one side of the shell (1), and a valve cover (4) is sleeved inside the shell (1). The bottom surface of the valve cover (4) is fixedly connected to a valve seat (2), and both ends of the valve seat (2) are fixedly connected to an internal threaded sleeve (21). The inner wall of the internal threaded sleeve (21) is threadedly connected to an external threaded pressure plate (25), and one end of the external threaded pressure plate (25) is fixedly connected to a rotating block (23). An inner clamping plate (26) is arranged inside the internal threaded sleeve (21), and one end of the inner clamping plate (26) is fixedly connected to the outer wall of one end of the valve seat (2), and the outer wall of the inner clamping plate (26) is movably connected to the inner wall of the external threaded pressure plate (25). The inner wall of the rotating block (23) is fixedly connected to a sealing ring (27), and a shrinkage groove (24) is provided through the outer wall of the inner clamping plate (26).

2. A mechanical switch type solenoid valve according to claim 1, characterized in that: A coil (11) is fixedly mounted on the inner wall of the outer shell (1), the outer shell (1) is fixedly sleeved on the upper part of the valve cover (4), and a fixing bolt (46) is fixedly connected to the top surface of the valve cover (4).

3. A mechanical switch type solenoid valve according to claim 2, characterized in that: A gasket (48) is arranged at the center of the top surface of the housing (1), a nut (47) is arranged above the gasket (48), and the gasket (48) is movably sleeved on the outer wall of the fixing bolt (46).

4. A mechanical switch type solenoid valve according to claim 3, characterized in that: The nut (47) is threadedly sleeved on the outer wall of the fixing bolt (46), and the housing (1) is fixedly connected to the valve cover (4) via the fixing bolt (46) and the nut (47).

5. A mechanical switch type solenoid valve according to claim 4, characterized in that: A fixed iron core (42) is fixedly connected to the top inner wall of the valve cover (4), and a movable groove (44) is provided inside the valve cover (4).

6. A mechanical switch type solenoid valve according to claim 5, characterized in that: The inner wall of the movable groove (44) is movably connected to a movable iron core (41), the top surface of the movable iron core (41) is fixedly connected to a return spring (43), and the top end of the return spring (43) is fixedly connected to the inner top surface of the movable groove (44).

7. The mechanical switch type solenoid valve according to claim 1, characterized in that: The inner wall of the valve seat (2) is movably connected to a valve core (45), and the top surface of the valve core (45) is fixedly connected to the bottom end of the moving iron core (41).

8. The mechanical switch type solenoid valve according to claim 1, characterized in that: A protective outer plate (22) is fixedly connected to the middle outer wall of the valve seat (2).

9. The mechanical switch type solenoid valve according to claim 8, characterized in that: The inner wall of the protective outer plate (22) is fixedly connected with a sound-absorbing cotton (28), and the sound-absorbing cotton (28) is fixedly connected to the outer wall of the valve seat (2).

10. The mechanical switch type solenoid valve according to claim 1, characterized in that: The controller (3) is electrically connected to the coil (11).

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