CN215487673U

CN215487673U - Bistable double-channel electromagnetic valve

Info

Publication number: CN215487673U
Application number: CN202121667719.2U
Authority: CN
Inventors: 李焘; 蒋延勋; 滕志海
Original assignee: Qingdao Teweier Electric Appliance Co ltd
Current assignee: Qingdao Teweier Electric Appliance Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-11
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a bistable double-channel electromagnetic valve which comprises an electromagnetic valve shell, a valve body, an electromagnetic coil, a permanent magnet, a support, a sealing pin and a bypass valve. The electromagnetic valve provided by the utility model is a dual-channel electromagnetic valve, namely a first channel and a second channel are arranged between a first chamber and a second chamber in a valve body, the sealing pin is controlled to move in a bracket by controlling the power supply of the electromagnetic coil and the permanent magnet, so that the on-off of the first channel is controlled, the second channel is normally open, and the air flow is controlled by the bypass valve, so that the problem that the common electromagnetic valve can only be kept on or off is effectively solved, when the electromagnetic valve is closed, one fire is reserved by the bypass valve, and the electromagnetic valve does not need to be ignited again when opened next time; the electromagnetic valve is bistable, namely only pulse voltage is needed for control when the first channel is switched, the required voltage is small, and the overall power consumption of the electromagnetic valve in the use process is reduced; and the device can also be driven by a dry battery, and has strong applicability.

Description

Bistable double-channel electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a bistable double-channel electromagnetic valve.

Background

Electromagnetic valves (Electromagnetic valves) are industrial equipment controlled by electromagnetism, are automatic basic elements used for controlling fluid, are used for adjusting the direction, flow rate, speed and other parameters of media in an industrial control system, and can be matched with different circuits to achieve expected control. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc. In the field of gas control of gas appliances, the opening and closing of a gas pipeline are controlled by an electromagnetic valve for self-service management. The energy consumption that gas solenoid valve commonly used at present produced in the use is great to because adopt single case and single oil/gas circuit usually, keep painful state all the time, cause the energy consumption waste, perhaps need light a fire once more (need complicated automatic ignition system) can work after shutting down at every turn, lead to the product to need restart, manufacturing cost is high, and use experience is relatively poor. Accordingly, the present invention provides a bi-stable, dual-channel solenoid valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bistable dual-channel electromagnetic valve to solve the problems in the prior art in the background technology.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a bistable state, binary channels solenoid valve, includes solenoid valve shell, valve body, solenoid, permanent magnet, support, seal pin and bypass valve, valve body threaded connection is in the bottom of solenoid valve shell, solenoid is fixed to be set up inside the solenoid valve shell, the permanent magnet sets up in solenoid, the support can be dismantled and connect on solenoid's inside wall, seal pin sets up inside the support and with support sliding connection, the cover is equipped with the spring on the seal pin bottom lateral wall, be provided with first room and second room in the valve body, be provided with first passageway and second passageway between first room and the second room, the break-make is controlled through seal pin to first passageway, the second passageway is always open and through bypass valve control gas flow, the bypass valve sets up between first room and second room and can dismantle with the valve body and be connected, the side wall of the valve body is symmetrically provided with an air inlet and an air outlet, the air inlet is communicated with the first chamber, and the air outlet is communicated with the second chamber.

On the basis of the technical scheme, a wave crest gasket is arranged between the bottom end of the electromagnetic valve shell and the support.

On the basis of the technical scheme, an elastic clamp is arranged between the support and the shell of the electromagnetic valve.

On the basis of the technical scheme, the air inlet is in threaded connection with an air inlet pipeline, and the air outlet is in threaded connection with an air outlet pipeline.

On the basis of the technical scheme, the electromagnetic coil, the permanent magnet and the power supply terminal insertion piece are arranged into an integrally formed structure with the electromagnetic valve shell through injection molding.

On the basis of the technical scheme, the bottom end of the sealing pin is fixedly provided with sealing rubber.

On the basis of the technical scheme, a first sealing ring is arranged between the support and the valve body, and a second sealing ring is arranged between the bypass valve and the valve body.

On the basis of the technical scheme, the first sealing ring and the second sealing ring are O-shaped sealing rings or rectangular sealing rings.

The technical scheme provided by the utility model has the beneficial effects that:

the electromagnetic valve provided by the utility model is a double-channel electromagnetic valve, namely a first chamber and a second chamber are arranged in a valve body, a first channel and a second channel are arranged between the first chamber and the second chamber, the sealing pin is controlled to move in a bracket by controlling a power supply of an electromagnetic coil and a permanent magnet, so that the on-off of the first channel is controlled, the second channel is normally on, and the air flow is controlled by a bypass valve, so that the problem that a common electromagnetic valve only can be kept on or off is effectively solved, when the electromagnetic valve is closed, one fire is reserved by the bypass valve, and the electromagnetic valve does not need to be ignited when opened next time; in addition, the bypass valve is of an outer mounting structure and is in threaded connection with the valve body, the bypass valves with different flow rates can be switched according to different sizes of gas appliances, and the adaptability of the electromagnetic valve is wider.

The electromagnetic valve provided by the utility model is bistable, namely only pulse voltage is needed for control when the first channel is switched, the needed voltage is small, and the overall power consumption of the electromagnetic valve in the use process is reduced; under the condition of no electricity, the electric vehicle can be driven by a dry battery, and the environmental adaptability of the product is greatly improved.

The electromagnetic valve provided by the utility model has the advantages of reasonable design, compact structure, more convenience in use, good use safety performance and stability and strong applicability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view of the solenoid valve of the present invention in an open position;

FIG. 4 is a cross-sectional view of the solenoid valve of the present invention closed;

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and 4, a bistable dual-channel solenoid valve includes a solenoid valve housing 1, a valve body 2, an electromagnetic coil 3, a permanent magnet 4, a support 5, a sealing pin 6 and a bypass valve 7, wherein the valve body 2 is screwed at the bottom end of the solenoid valve housing 1, the electromagnetic coil 3 is fixedly disposed inside the solenoid valve housing 1, the permanent magnet 4 is disposed inside the electromagnetic coil 3, the support 5 is detachably connected to the inner side wall of the electromagnetic coil 3, the sealing pin 6 is disposed inside the support 5 and slidably connected to the support 5, a spring 8 is sleeved on the outer side wall of the bottom end of the sealing pin 6, a first chamber 21 and a second chamber 22 are disposed in the valve body 2, a first channel 23 and a second channel 24 are disposed between the first chamber 21 and the second chamber 22, the first channel 23 is controlled to be opened or closed by the sealing pin 6, the second channel 24 is normally opened and controls the air flow rate by the bypass valve 7, the bypass valve 7 is arranged between the first chamber 21 and the second chamber 22 and detachably connected with the valve body 2, the side wall of the valve body 2 is symmetrically provided with an air inlet 9 and an air outlet 10, the air inlet 9 is communicated with the first chamber 21, and the air outlet 10 is communicated with the second chamber 22. It should be noted that the bypass valve is available in the prior art and the specific structure is not described in detail herein.

The electromagnetic valve provided by the utility model is a dual-channel electromagnetic valve, namely a first chamber 21 and a second chamber 22 are arranged in a valve body 2, a first channel 23 and a second channel 24 are arranged between the first chamber 21 and the second chamber 22, the sealing pin 6 is controlled to move in a bracket 5 by controlling the power supply of the electromagnetic coil 3 and the permanent magnet 4, so that the on-off of the first channel 23 is controlled, the second channel 24 is normally on and the air flow is controlled by the bypass valve 7, therefore, the problem that the general electromagnetic valve can only be kept on or off is effectively solved, when the electromagnetic valve is closed, one fire is reserved by the bypass valve, and the electromagnetic valve does not need to be ignited again when opened next time; in addition, the bypass valve 7 is of an outer mounting structure and is in threaded connection with the valve body 2, the bypass valve 7 with different flow rates can be switched according to different sizes of gas appliances, and the adaptability of the electromagnetic valve is wider.

The electromagnetic valve provided by the utility model is bistable, namely only pulse voltage is needed for control when the first channel 23 is switched, the needed voltage is small, and the overall power consumption of the electromagnetic valve in the use process is reduced; under the condition of no electricity, the electric vehicle can be driven by a dry battery, and the environmental adaptability of the product is greatly improved.

On the basis of the technical scheme, as shown in fig. 2, a wave peak gasket 11 is arranged between the bottom end of the electromagnetic valve shell 1 and the support 5, and the wave peak gasket 11 mainly plays a role in preventing looseness and improves the structural stability of the whole body.

On the basis of the above technical solution, as shown in fig. 2 and 3, an elastic clip 12 is disposed between the bracket 5 and the solenoid valve housing 1. The support 5 can be more stably arranged in the electromagnetic coil 3 by arranging the elastic clamp 12, so that the disassembly and assembly processes are convenient.

On the basis of the technical scheme, the air inlet 9 is in threaded connection with an air inlet pipeline, and the air outlet 10 is in threaded connection with an air outlet pipeline.

On the basis of the technical scheme, the electromagnetic coil 3, the permanent magnet 4 and the power supply terminal insertion sheet 13 are arranged into an integrally formed structure with the electromagnetic valve shell 1 through injection molding; through the mode of moulding plastics integrated into one piece, can increase solenoid valve overall structure's steadiness and sealing performance.

On the basis of the above technical solution, as shown in fig. 3, a sealing rubber 14 is fixedly arranged at the bottom end of the sealing pin 6.

On the basis of the technical scheme, a first sealing ring is arranged between the support 5 and the valve body 2, and a second sealing ring is arranged between the bypass valve 7 and the valve body 2. On the basis of the technical scheme, the first sealing ring and the second sealing ring are O-shaped sealing rings or rectangular sealing rings. Through setting up first sealing washer and second sealing washer, can realize better sealed effect in valve body 2, avoid producing adverse circumstances such as gas leakage and influence normal use engineering, also reduced the potential safety hazard in the use.

When the electromagnetic valve works, when the electromagnetic valve is electrified in the positive direction, the electromagnetic coil 3 generates magnetic force which is the same as the magnetic induction line of the permanent magnet 4, and the sealing pin 6 moves to the top end inside the bracket 5 under the action of the magnetic force; after the electromagnetic coil 3 is powered off, the sealing pin 6 is fixed in the bracket 5 under the magnetic force of the permanent magnet 4, the first channel 23 between the first chamber 21 and the second chamber 22 in the valve body 2 is opened, and the second channel 24 is in a normally open state, so that the first channel 23 and the second channel 24 are simultaneously communicated.

When the electromagnetic valve is electrified in a reverse direction, the electromagnetic coil 3 generates magnetic force opposite to the permanent magnet 4, at the moment, under the action of the spring 8, the sealing pin 6 is pushed to the opening of a first channel 23 connected with two chambers of the valve body 2, and the first channel 23 is closed; when the solenoid 3 is turned off, the seal pin 6 blocks the opening of the first passage 23, and the first chamber 21 and the second chamber 22 communicate with each other only through the second passage 24.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The bistable dual-channel electromagnetic valve is characterized by comprising an electromagnetic valve shell (1), a valve body (2), an electromagnetic coil (3), a permanent magnet (4), a support (5), a sealing pin (6) and a bypass valve (7), wherein the valve body (2) is in threaded connection with the bottom end of the electromagnetic valve shell (1), the electromagnetic coil (3) is fixedly arranged inside the electromagnetic valve shell (1), the permanent magnet (4) is arranged in the electromagnetic coil (3), the support (5) is detachably connected onto the inner side wall of the electromagnetic coil (3), the sealing pin (6) is arranged inside the support (5) and is in sliding connection with the support (5), a spring (8) is sleeved on the outer side wall of the bottom end of the sealing pin (6), a first chamber (21) and a second chamber (22) are arranged in the valve body (2), a first channel (23) and a second channel (24) are arranged between the first chamber (21) and the second chamber (22), first passageway (23) are through seal pin (6) control break-make, second passageway (24) are always open and through bypass valve (7) control gas flow, bypass valve (7) set up between first room (21) and second room (22) and can dismantle with valve body (2) and be connected, air inlet (9) and gas outlet (10) have been seted up to the symmetry on valve body (2) lateral wall, air inlet (9) and first room (21) through connection, room (22) through connection between gas outlet (10) and the second.

2. A bistable, dual channel solenoid valve according to claim 1, wherein a wave washer (11) is provided between the bottom end of the solenoid valve housing (1) and the support (5).

3. A bistable, dual channel solenoid valve according to claim 1, characterized in that an elastic clip (12) is provided between the bracket (5) and the solenoid valve housing (1).

4. A bistable, dual channel solenoid valve according to claim 1, wherein the inlet port (9) is screwed to an inlet duct and the outlet port (10) is screwed to an outlet duct.

5. A bistable, dual channel solenoid valve according to claim 1 wherein the solenoid coil (3), permanent magnet (4) and power terminal insert (13) are provided as an integral structure with the solenoid valve housing (1) by injection moulding.

6. A bistable, dual channel solenoid valve according to claim 1, characterized in that the bottom end of the sealing pin (6) is fixedly provided with a sealing rubber (14).

7. A bistable, two-channel solenoid valve according to claim 1, wherein a first sealing ring is arranged between the support (5) and the valve body (2) and a second sealing ring is arranged between the bypass valve (7) and the valve body (2).

8. The bistable, dual channel solenoid valve of claim 7, wherein said first and second seals are O-rings or rectangular seals.