CN212080301U

CN212080301U - Bistable electromagnetic valve

Info

Publication number: CN212080301U
Application number: CN202020656596.1U
Authority: CN
Inventors: 林汉记; 何新勇
Original assignee: Xiamen Micro Energy Electronic Technology Co ltd
Current assignee: Xiamen Micro Energy Electronic Technology Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-04
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a bistable electromagnetic valve, which comprises an upper cover, a rubber cap, a movable valve core, a spring, a framework, a magnetic coil, a permanent magnet, a static valve core and an outer frame, wherein a cavity and two inlets and outlets are arranged on the side edge of the upper cover; the permanent magnet generates magnetic field attraction force which is larger than the supporting force of the spring to pull the movable valve element to move, and then fluid can pass through, otherwise, the reverse-connection electric valve element returns to the original position and is disconnected, and the permanent magnet is not required to be powered on all the time in a stable state, so that the power consumption is low, the power supply cannot be switched on and used, the use is flexible and not limited, the battery power supply duration is long, and the use is simple and convenient.

Description

Bistable electromagnetic valve

Technical Field

The utility model belongs to the solenoid valve field, in particular to bistable state solenoid valve that power consumption is little, need not to switch on always.

Background

The solenoid valve uses very generally in industrial production, to use at present solenoid valve, its steady state of opening or closing all need keep the on-state all the time, this kind of solenoid valve that keeps the on-state all the time can satisfy certain operation requirement, but also has great defect, on-state power consumption all the time is big, the power consumption is with high costs, inconvenient switch on power supply then can't use when not having the battery power supply again, it is limited inconvenient to use, even when having the battery power supply, its time of endurance is short, it is inconvenient to use.

The to-be-solved technical problem of the utility model is to provide a need not to keep the on state always, power consumption is little with low costs, unable switch on also can use, use nimble unrestricted, battery powered time of endurance long, simple to use convenient bistable solenoid valve.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned prior art stable state need switch on power consumption all the time big, the power consumption is with high costs, then can't use, use limited inconvenient, battery powered duration short, use trouble inconvenient scheduling problem when not having the battery power supply again inconvenient switch on, the utility model discloses a following technical scheme:

the utility model provides a bistable state solenoid valve, including upper cover, rubber cap, movable valve element, spring, skeleton, solenoid, permanent magnet, quiet case and frame, be equipped with cavity, side in the upper cover and be equipped with two and import and export, two are imported and exported and all communicate with the cavity, the frame passes through the cover plate setting in the upper cover bottom, the skeleton fastening sets up in the inside centre department of frame, movable valve element sets up upper end and bottom in the skeleton respectively with quiet case, the rubber cap is located the cavity and is tied and be connected at the movable valve element top, the spring housing is established on movable valve element and is located between rubber cap and the cover plate, solenoid twines on the skeleton and is connected with binding post, the permanent magnet sets up in quiet case and is located the top centre department.

As an improvement of the utility model, the middle of the upper end face of the static valve core is provided with a gasket.

The beneficial effects of the utility model reside in that: the permanent magnet generates magnetic field attraction force which is larger than the supporting force of the spring to pull the movable valve element to move, and then fluid can pass through, otherwise, the reverse-connection electric valve element returns to the original position and is disconnected, and the permanent magnet is not required to be powered on all the time in a stable state, so that the power consumption is low, the power supply cannot be switched on and used, the use is flexible and not limited, the battery power supply duration is long, and the use is simple and convenient.

Drawings

Fig. 1 is a schematic structural diagram of an initial state of the present invention according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the usage state of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a bistable electromagnetic valve includes an upper cover 1, a rubber cap 2, a movable valve core 3, a spring 4, a frame 5, an electromagnetic coil 6, a permanent magnet 7, a static valve core 8 and an outer frame 9, wherein the upper cover 1 is provided with a cavity 11, the side edges of the upper cover are provided with two inlets and outlets 12, the two inlets and outlets 12 are communicated with the cavity 11, thereby saving a flow passage, reducing fluid passage resistance and improving flow efficiency, the outer frame 9 is arranged at the bottom of the upper cover 1 through a cover plate 91, the frame 5 is tightly arranged at the center inside the outer frame 9, the movable valve core 3 and the static valve core 8 are respectively arranged at the upper end and the bottom inside the frame 5, the rubber cap 2 is arranged inside the cavity 11 and is tied to the top of the movable valve core 3, a common electromagnetic valve adopts a leather cup, the rubber cap can reduce leakage caused by deformation, the sealing effect is better, the spring 4 is sleeved on the movable valve core 3 and, the electromagnetic coil 6 is wound on the framework 5 and connected with a connecting terminal, the permanent magnet 7 is arranged in the static valve core 8 and is positioned in the center of the top, the initial state of the electromagnetic valve is shown in figure 1, the top end of the rubber cap is contacted with the inner end face of the sealing opening of the upper cover, the rubber cap is completely unfolded, the electromagnetic valve realizes the sealing effect, when the electromagnetic valve works, the connecting terminal is instantly connected with electricity (positive pole input and negative pole output), the electromagnetic coil generates a magnetic field at the moment of electricity connection, the static valve core and the permanent magnet generate a magnetic attraction force in the same direction through the magnetic field, the magnetic attraction force is increased to enable the force on one side of the static valve core to be greater than the supporting force of the spring, the movable valve core moves towards the static valve core until the contact is gapless, the contact is instantly disconnected, the magnetizing effect of the static valve core disappears, the magnetic force of the permanent magnet is greater than the supporting force of the spring, the cavity can be followed to the fluid and flowed through, when the fluid is closed to needs, reverse electricity connects in the twinkling of an eye (negative pole input, positive output), solenoid produces magnetic field, solenoid produces the magnetic attraction reverse with permanent magnet magnetic attraction, reverse magnetic attraction makes cover plate and movable valve core magnetized, at this moment, reverse magnetic attraction and spring holding power are greater than the suction of permanent magnet, movable valve core upward movement until with the inside end face contact of upper cover sealing port, the contact outage in the twinkling of an eye, cover plate magnetization effect disappears, permanent magnet suction is less than spring holding power, movable valve core withstands at upper cover sealing port and preserves this state by spring holding power, this state also need not to consume the electric energy, all be the circular telegram in the twinkling of an eye during the holding state and need.

The utility model discloses in, the positive department in 8 up end of quiet case is equipped with gasket 81, through the reducible movable valve core downstream of gasket collision damage to quiet case.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. A bistable solenoid valve characterized by: comprises an upper cover (1), a rubber cap (2), a movable valve core (3), a spring (4), a framework (5), an electromagnetic coil (6), a permanent magnet (7), a static valve core (8) and an outer frame (9), wherein a cavity (11) is arranged in the upper cover (1), two inlet and outlet (12) are arranged on the side edges of the upper cover, the two inlet and outlet (12) are communicated with the cavity (11), the outer frame (9) is arranged at the bottom of the upper cover (1) through a cover plate (91), the framework (5) is tightly arranged at the center inside of the outer frame (9), the movable valve core (3) and the static valve core (8) are respectively arranged at the upper end and the bottom in the framework (5), the rubber cap (2) is arranged in the cavity (11) and is connected with the top of the movable valve core (3), the spring (4) is sleeved on the movable valve core (3) and is positioned between the rubber cap (2) and the cover plate (91), the electromagnetic coil (6) is wound on, the permanent magnet (7) is arranged in the static valve core (8) and is positioned in the center of the top.

2. A bistable solenoid valve according to claim 1, wherein: a gasket (81) is arranged in the center of the upper end face of the static valve core (8).