CN203926803U - A dual-control gas electromagnetic proportional valve - Google Patents

Abstract

A double-control gas electromagnetic proportional valve comprises a valve body, a valve core, a return spring, a coil rack, a coil and an armature, wherein the coil is divided into a first coil and a second coil; the plug is arranged at the upper end of the sleeve and is fixedly connected with the sleeve and hermetically sealed. By adopting the structure, when the first coil is electrified, the first armature moves upwards, the first valve core leaves the first valve core seat, and fuel gas enters the sleeve between the first guide sleeve and the first valve core seat through the plugged central gas guide hole and the axial and radial gas channels of the first armature and then enters the first gas outlet pipe through the first valve core seat, the second guide sleeve and the second armature. Under the circumstances of first coil circular telegram, when the second coil circular telegram, the second valve core leaves the second valve core seat, then the second outlet duct switches on convenient to use.

Description

A dual-control gas electromagnetic proportional valve

technical field

The utility model relates to a gas valve for a gas device.

Background technique

In the current prior art, a gas solenoid valve includes an iron shell, a valve body, a coil frame, a coil, an iron core and a valve core. There is a valve core seat and an air outlet channel on the valve body. The channel is connected, and the valve core cooperates with the valve core seat; the coil frame includes a hollow cylinder with open ends and flanges located at both ends of the cylinder, and the coil is wound on the cylinder between the flanges. The existing problem is: there is only one air outlet channel to control one gas burner, and the function of the proportional valve cannot be realized, and the function is single.

Utility model content

The purpose of the utility model is to provide a dual-control gas electromagnetic proportional valve, which can not only control the on-off of gas, but also realize the proportional adjustment of the gas output to realize the function of the proportional valve.

The utility model is achieved in the following way: a dual-control gas electromagnetic proportional valve, including a valve body, a valve core, a return spring, a coil frame, a coil and an armature, and its special feature is that the coil is divided into a first coil and a second coil. Two coils, the spool is divided into the first spool and the second spool, the armature is divided into the first and the second armature, and the return spring is divided into the first return spring and the second return spring;

The first and second armatures have air passages open at the upper ends along the axial direction and several radial air holes communicating with the axial air passages;

It also includes a plug with a central air guide hole, a sleeve made of non-magnetic material, a first guide sleeve, a second guide sleeve and a first valve core seat,

The first valve core seat has a vent hole, and the lower end of the vent hole has a vent counterbore;

The valve body includes a second valve core seat, a first air outlet pipe, an air inlet interface and a second air outlet pipe, and a second valve core seat is arranged at the intersection of the first air outlet pipe and the second air outlet pipe;

The plug is arranged on the upper end of the casing and is fixedly connected and air-tight with the casing, the first armature is inserted into the lower end of the first guide sleeve, the first guide sleeve is slidably matched with the sleeve, and the upper end of the first return spring is inserted into the plug In the counterbore of the lower end, the lower end cooperates with the spring seat on the first guide sleeve; the first valve core seat is arranged in the casing, and the first valve core at the lower end of the first armature cooperates with the first valve core seat;

The second guide sleeve is arranged on the upper end of the second armature, and the second guide sleeve is slidingly matched with the sleeve. The second armature extends from the air inlet port into the first air outlet pipe and cooperates with the second valve core seat. The upper end of the second return spring The lower end of the ventilation counterbore and the first valve core seat is inserted into the second guide sleeve.

The above-mentioned dual-control gas electromagnetic proportional valve is special in that: the upper end of the casing has an upper sink hole and the lower end has a sink hole, and the plug is arranged in the upper sink hole and connected with the upper sink hole thread fit;

The first valve core seat is arranged in the sink hole and cooperates with the top plate of the sink hole to stop.

The above-mentioned dual-control gas electromagnetic proportional valve is special in that: the lower end of the first guide sleeve has a fixed counterbore with a lower opening, the upper end of the first armature is inserted into the fixed counterbore, and the first guide The cover is made of non-magnetic material.

The above-mentioned dual-control gas electromagnetic proportional valve is special in that: the second guide sleeve is made of non-magnetic material, the inner diameter of the second guide sleeve is larger than the inner diameter of the axial air channel of the second armature, The second guide sleeve is fixed on the upper end of the second armature; the lower end of the first return spring is inserted into the second guide sleeve and abuts against the top end of the second armature; the second armature is slidingly matched with the sleeve.

The utility model is a dual-control gas electromagnetic proportional valve. Due to the adoption of such a structure, when the first coil is energized, the first armature moves upward, the first valve core leaves the first valve core seat, and the gas passes through the center of the blockage. The air guide hole, the axial and radial passages of the first armature enter the casing between the first guide sleeve and the first valve core seat, and then enter the first valve core seat, the second guide sleeve and the second armature into the first In the trachea. When the first coil is energized, when the second coil is energized, the second valve core leaves the second valve core seat, and the second air outlet pipe is conducted, which is convenient to use.

Description of drawings

Fig. 1 is a sectional view of the utility model.

Fig. 2 is a sectional view of the first valve core seat of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

As shown in Figure 1, a dual-control gas electromagnetic proportional valve includes a valve body 1, a valve core, a return spring, a coil frame 2, a coil and an armature, and the coil is divided into a first coil 31 and a second coil 32. The core is divided into the first valve core 41 and the second valve core 42, the armature is divided into the first and the second armature 51, 52, and the return spring is divided into the first return spring 61 and the second return spring 62;

The first and second armatures 51 and 52 have an axial air channel 53 with an upper axial opening and a number of radial air holes 54 communicating with the axial air channel 53;

It also includes a plug 7 with a central air guide hole, a sleeve 8 made of non-magnetic material, a first guide sleeve 91, a second guide sleeve 92 and a first valve core seat 101,

As shown in Figure 2, the first valve core seat 101 has a vent hole 1011, and the lower end of the vent hole has a vent counterbore 1012;

The valve body 1 includes a second valve core seat 102, a first air outlet pipe 1A, an air inlet port 1C and a second air outlet pipe 1B, and a second valve core seat 102 is provided at the intersection of the first air outlet pipe 1A and the second air outlet pipe 1B , the second valve core seat 102 connects the first and second outlet pipes 1A and 1B;

The coil frame 2 includes a central pipe 21 , a first coil slot 22 and a second coil slot 23 . The casing 8 is arranged in the central pipe 21, and the lower end of the central pipe 21 is connected to the air inlet port 1C and air-tight; the first and second coils 31, 32 are respectively arranged in the first coil slot 22 and the second coil slot 23, The first coil slot 22 and the second coil slot 23 cooperate with the first and second armatures 51 and 52 respectively.

The second spool 42 is disposed on the lower end of the second armature 52 .

The plug 7 is arranged on the upper end of the sleeve 8 and is fixedly connected with the sleeve 8 and hermetically sealed. The first armature 51 is inserted into the lower end of the first guide sleeve 91, and the first guide sleeve 91 is slidingly fitted with the sleeve 8. The upper end of the first return spring 61 is inserted into the counterbore at the lower end of the plug 7, and the lower end cooperates with the spring seat on the first guide sleeve 91; The spool 41 cooperates with the first spool seat 101;

The second guide sleeve 92 is arranged on the upper end of the second armature 52, and the second guide sleeve 92 is slidingly fitted with the sleeve 8. The second armature 52 extends from the air inlet port 1C into the first air outlet pipe 1A and connects with the second valve core seat. 102 , the upper end of the second return spring 62 is inserted into the vent counterbore 1012 of the first valve core seat 101 , and the lower end is inserted into the second guide sleeve 92 .

The upper end of the casing 8 has an upper sink hole 81, and the lower end has a sink hole 82, and the plug 7 is arranged in the upper sink hole 81 and is threadedly matched with the upper sink hole 81;

The first valve core seat 101 is arranged in the sink hole 82 and cooperates with the top plate of the sink hole 82 to stop.

The lower end of the first guide sleeve 91 has a fixed counterbore with a lower opening, and the upper end of the first armature 51 is inserted into the fixed counterbore. The first guide sleeve 91 is made of a non-magnetic material.

The second guide sleeve 92 is made of non-magnetic material, the inner diameter of the second guide sleeve 92 is larger than the inner diameter of the axial air channel 53 of the second armature 52, and the second guide sleeve 92 is fixed on the upper end of the second armature 52; The lower end of the first return spring 61 is inserted into the second guide sleeve 92 and abuts against the top end of the second armature 52 ; the second armature 52 is slidingly fitted with the sleeve 8 .

When the utility model is in use, the plug 7 is in communication with the gas source. When the first coil 31 is energized, the first armature 51 moves upwards, which can also be said to move in the direction of the plug 7, and the first spool 41 leaves the first The valve core seat 101, the gas enters the casing 8 between the first guide sleeve 91 and the first valve core seat 101 through the central air guide hole of the plug 7, the axial and radial air passages 53, 54 of the first armature 51 Then enter the first air outlet pipe 1A through the first valve core seat 101, the second guide sleeve 92 and the second armature 52, for burning by the gas device. When the first coil 31 is energized, when the second coil 32 is energized, the second valve core 42 leaves the second valve core seat 102, and the second gas outlet pipe 1B is connected to be used for burning by the gas device; it is convenient to use. When the first coil 31 is de-energized, it can be closed.

What has been described above is only the preferred implementation of the present utility model. It should be pointed out that those skilled in the art can make some improvements and modifications without departing from the principle of the utility model, which are also regarded as the protection scope of the utility model.

Claims (4)

1. a dual control electromagnetic gas proportioning valve, comprise valve body, spool, Returnning spring, coil carrier, coil and armature, it is characterized in that: described coil is divided into the first coil and the second coil, spool is divided into the first spool and the second spool, armature is for being divided into first, second armature, and Returnning spring is divided into the first Returnning spring and the second Returnning spring;

On first, second armature, there are axial air vent and several radially vents communicating with axial air vent of upper end open vertically;

Also comprise sleeve pipe, the first guide sleeve, the second guide sleeve and the first valve core case that plug is stifled, non-magnet material is made with central guiding pore,

Described the first valve core case has vent, and there is ventilation counterbore the lower end of vent;

Described valve body comprises second valve core print seat, the first steam outlet pipe, intake interface and the second steam outlet pipe, and the first steam outlet pipe and the second steam outlet pipe intersection arrange second valve core print seat;

Described plug is stifled to be arranged on the upper end of sleeve pipe and to be fixedly connected with and hermetic seal with sleeve pipe, described the first armature inserts the lower end of the first guide sleeve, the first guide sleeve and sleeve pipe are slidably matched, and the first Returnning spring upper end is inserted in the counterbore of filling in stifled lower end, lower end coordinates with the spring seat on the first guide sleeve; The first valve core case is arranged in sleeve pipe, and the first spool of the first armature lower end coordinates with the first valve core case;

The second guide sleeve is arranged on the upper end of the second armature, the second guide sleeve and sleeve pipe are slidably matched, the second armature stretches in the first steam outlet pipe and with second valve core print seat and coordinates from intake interface, in the ventilation counterbore of the second Returnning spring upper end and the first valve core case, lower end inserts in the second guide sleeve.

2. a kind of dual control electromagnetic gas proportioning valve according to claim 1, is characterized in that: the upper end of described sleeve pipe has upper counterbore, lower end to have lower counterbore, and described plug is stifled to be arranged in counterbore and to coordinate with upper counterbore threads;

Described the first valve core case is arranged in lower counterbore and coordinates stop bit with the top board of lower counterbore.

3. a kind of dual control electromagnetic gas proportioning valve according to claim 1, is characterized in that: there is the fixing counterbore of under shed the lower end of described the first guide sleeve, and insert in fixing counterbore the upper end of described the first armature, and the first guide sleeve is made up of non-magnet material.

4. a kind of dual control electromagnetic gas proportioning valve according to claim 1, it is characterized in that: described the second guide sleeve is made up of non-magnet material, the internal diameter of the second guide sleeve is greater than the internal diameter of the axial air vent of the second armature, and the second guide sleeve is fixed on the upper end of the second armature; The lower end of the first Returnning spring insert in the second guide sleeve with the tip portion of the second armature against; The second armature and sleeve pipe are slidably matched.