CN220435566U - Electromagnetic valve with manual switch function - Google Patents

Abstract

The utility model discloses a solenoid valve with a manual switch function, which relates to the field of solenoid valves and comprises a valve body, wherein the top of the valve body is provided with a valve cover, four corners of the valve cover are fixedly connected with the valve body through inner hexagonal screws, the joint of the valve body and the valve cover is provided with an O-shaped sealing ring, the top of the valve cover is connected with a manual base through threads, one side of the manual base is provided with a manual assembly, the top of the manual base is connected with a pilot head through threads, the outer side of the pilot head is sleeved with a coil, and the top of the pilot head is connected with a hexagonal nut through threads. According to the utility model, the manual base is arranged at the top of the valve cover, the manual assembly is arranged on one side of the manual base, and the manual knob is arranged on the manual assembly to be matched with the eccentric torsion bar, so that the electromagnetic valve can be opened and closed through the manual knob after the electromagnetic valve is powered off, manual control can be realized in the power-off process, and unnecessary losses are avoided.

Description

Electromagnetic valve with manual switch function

Technical Field

The utility model relates to the field of electromagnetic valves, in particular to an electromagnetic valve with a manual switching function.

Background

Solenoid valves are electromagnetic controlled industrial equipment, are automatic basic elements for controlling fluids, and belong to actuators, not limited to hydraulic and pneumatic. For use in industrial control systems to adjust the direction, flow, velocity and other parameters of the medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured.

However, the existing electromagnetic valves are all opened and closed by power control, and how to open the electromagnetic valves under the condition of power failure is an important problem to be solved at present. Therefore, it is necessary to invent a solenoid valve with a manual switching function to solve the above problems.

Disclosure of Invention

The utility model aims to provide a solenoid valve with a manual switching function, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a solenoid valve that has manual switch function, includes the valve body, the top of valve body is provided with the valve gap, the four corners department of valve gap all is provided with O type sealing washer through hexagon socket head cap screw and valve body fixed connection, and the junction of valve body and valve gap, there is manual base at the top of valve gap through threaded connection, one side of manual base is provided with manual subassembly, there is the guide head at the top of manual base through threaded connection, the coil has been cup jointed in the outside of guide head, there is hexagonal nut on the top of guide head through threaded connection, hexagonal nut is located the top of coil, one side of coil is fixed with the terminal box.

Preferably, a diaphragm is arranged in the upper end of the valve body, a pilot valve core is arranged in the diaphragm, a stainless steel diaphragm baffle is attached to the top of the diaphragm, and a torsion spring is connected to the top end of the pilot valve core.

Preferably, the middle part of valve gap runs through has movable iron core, the torsional spring cup joints in movable iron core's lower extreme outside, and the inside butyronitrile rubber head that inlays in movable iron core's bottom, movable iron core's upper end runs through manual base and inserts inside the lower extreme of guide head.

Preferably, the top end of the movable iron core is connected with a spring, the spring is arranged in the pilot head, a first tetrafluoro gasket is arranged at the joint of the manual base and the valve cover, and a second tetrafluoro gasket is arranged at the joint of the manual base and the pilot head.

Preferably, the bottom of the hexagonal nut is provided with a spring ring and a gasket in sequence, and the spring ring and the gasket are sleeved outside the top end of the pilot head.

Preferably, the manual assembly comprises an eccentric torsion bar arranged on one side of the manual base, the eccentric torsion bar is fixedly connected with the manual base through a limiting pin, a manual knob is arranged on the outer side of the eccentric torsion bar, and the manual knob is fixedly connected with the eccentric torsion bar through a knob fixing screw.

The utility model has the technical effects and advantages that:

according to the utility model, the manual base is arranged at the top of the valve cover, the manual assembly is arranged on one side of the manual base, and the manual knob is arranged on the manual assembly to be matched with the eccentric torsion bar, so that the electromagnetic valve can be opened and closed through the manual knob after the electromagnetic valve is powered off, the electromagnetic valve can be manually controlled in the power-off process, unnecessary losses are avoided, and the electromagnetic valve is additionally provided with manual energy, so that the cost of customers in an industrial control system is reduced, and the electromagnetic valve is more flexible and convenient to install and debug.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is an exploded view of the overall structure of the present utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. an inner hexagon screw; 4. an O-shaped sealing ring; 5. a manual base; 6. a manual assembly; 7. a leading head; 8. a coil; 9. a hexagonal nut; 10. a junction box; 11. a membrane; 12. a pilot spool; 13. stainless steel membrane baffle; 14. a torsion spring; 15. a movable iron core; 16. a nitrile rubber head; 17. a spring; 18. a first tetrafluoro gasket; 19. a second tetrafluoro gasket; 20. a spring ring; 21. a gasket; 22. an eccentric torsion bar; 23. a limiting pin; 24. a manual knob; 25. the knob is fixed with a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a solenoid valve with a manual switching function, which is shown in fig. 1-2, and comprises a valve body 1, wherein a valve cover 2 is arranged at the top of the valve body 1, four corners of the valve cover 2 are fixedly connected with the valve body 1 through socket head cap screws 3, an O-shaped sealing ring 4,O type sealing ring 4 is arranged at the joint of the valve body 1 and the valve cover 2 to play a role in reinforcing sealing, a manual base 5 is connected to the top of the valve cover 2 through threads, a manual assembly 6 is arranged on one side of the manual base 5, the manual assembly 6 can realize the manual power-off control of the solenoid valve, unnecessary losses are avoided, a pilot head 7 is connected to the top of the manual base 5 through threads, a coil 8 is sleeved on the outer side of the pilot head 7, a hexagonal nut 9 is connected to the top of the pilot head 7 through threads, the hexagonal nut 9 is positioned at the top of the coil 8, and a junction box 10 is fixed on one side of the coil 8.

Specifically, the inside diaphragm 11 that is provided with of upper end of valve body 1, the inside of diaphragm 11 is provided with guide's case 12, the laminating of the top of diaphragm 11 has stainless steel membrane piece baffle 13, diaphragm 11, guide's case 12 and stainless steel membrane piece baffle 13 constitute the diaphragm isolation layer, the top of guide's case 12 is connected with torsional spring 14, torsional spring 14 has played the effect of torsion reset, movable iron core 15 has been run through in the middle part of valve gap 2, torsional spring 14 cup joints in the lower extreme outside of movable iron core 15, and the inside butyronitrile rubber head 16 that has inlayed of the bottom of movable iron core 15, butyronitrile rubber head 16 has played sealed effect, the upper end of movable iron core 15 runs through manual base 5 and inserts the lower extreme inside of guide's head 7, the top of movable iron core 15 is connected with spring 17, spring 17 sets up in the inside of guide's head 7, spring 17 has played reset's effect, the junction of manual base 5 and valve gap 2 is provided with first tetrafluoro gasket 18, the junction of manual base 5 and guide's 7 is provided with second tetrafluoro gasket 19, first tetrafluoro gasket 18 and second tetrafluoro 19 have played the effect of strengthening seal's bottom 21 and have been set up in proper order to the spring washer 21 and the top 21 and the washer 20 has been cup jointed to the washer 20 that has been played at the top 21 in proper order to the top of the spring 21.

More specifically, the manual assembly 6 comprises an eccentric torsion bar 22 arranged on one side of the manual base 5, the eccentric torsion bar 22 is fixedly connected with the manual base 5 through a limiting pin 23, a manual knob 24 is arranged on the outer side of the eccentric torsion bar 22, the manual knob 24 is fixedly connected with the eccentric torsion bar 22 through a knob fixing screw 25, and the eccentric torsion bar 22 is driven to rotate through the manual knob 24, so that manual control is performed in the power-off process, and unnecessary losses are avoided.

According to the utility model, the manual base 5 is arranged at the top of the valve cover 2, the manual assembly 6 is arranged on one side of the manual base 5, and the manual knob 24 is arranged on the manual assembly 6 to be matched with the eccentric torsion bar 22, so that the electromagnetic valve can be opened and closed through the manual knob 24 after the electromagnetic valve is powered off, the electromagnetic valve can be manually controlled in the power-off process, unnecessary losses are avoided, and the electromagnetic valve is additionally provided with manual energy, thereby being beneficial to reducing the cost of customers in an industrial control system, and being more flexible and convenient to install and debug.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a solenoid valve that has manual switch function, includes valve body (1), its characterized in that: the novel valve is characterized in that a valve cover (2) is arranged at the top of the valve body (1), four corners of the valve cover (2) are fixedly connected with the valve body (1) through inner hexagon screws (3), an O-shaped sealing ring (4) is arranged at the joint of the valve body (1) and the valve cover (2), a manual base (5) is connected to the top of the valve cover (2) through threads, a manual assembly (6) is arranged on one side of the manual base (5), a pilot head (7) is connected to the top of the manual base (5) through threads, a coil (8) is sleeved on the outer side of the pilot head (7), a hexagon nut (9) is connected to the top of the pilot head (7) through threads, and a junction box (10) is fixed to one side of the coil (8).

The manual assembly (6) comprises an eccentric torsion bar (22) arranged on one side of the manual base (5), the eccentric torsion bar (22) is fixedly connected with the manual base (5) through a limiting pin (23), a manual knob (24) is arranged on the outer side of the eccentric torsion bar (22), and the manual knob (24) is fixedly connected with the eccentric torsion bar (22) through a knob fixing screw (25).

2. A solenoid valve with manual switching function according to claim 1, wherein: the novel valve is characterized in that a diaphragm (11) is arranged in the upper end of the valve body (1), a pilot valve core (12) is arranged in the diaphragm (11), a stainless steel diaphragm baffle is attached to the top of the diaphragm (11), and a torsion spring (14) is connected to the top end of the pilot valve core (12).

3. A solenoid valve with manual switching function according to claim 2, wherein: the middle part of valve gap (2) is run through has movable iron core (15), torsional spring (14) cup joint in the lower extreme outside of movable iron core (15), and inside the inlaying of bottom of movable iron core (15) has butyronitrile rubber head (16), the upper end of movable iron core (15) runs through manual base (5) and inserts inside the lower extreme of preceding guide head (7).

4. A solenoid valve with manual switching function according to claim 3, wherein: the top of movable iron core (15) is connected with spring (17), spring (17) set up in the inside of guide head (7), the junction of manual base (5) and valve gap (2) is provided with first tetrafluoro packing ring (18), the junction of manual base (5) and guide head (7) is provided with second tetrafluoro packing ring (19).

5. The solenoid valve with manual switching function according to claim 4, wherein: the bottom of hexagonal nut (9) has set gradually spring ring (20) and packing ring (21), spring ring (20) and packing ring (21) cup joint in the top outside of leading head.