阅读说明：本技术 一种超低压进水电磁阀 (Ultralow pressure water inlet solenoid valve ) 是由 陈佳纳 于 2019-10-29 设计创作，主要内容包括：本发明公开一种超低压进水电磁阀,属于阀门技术领域。所述超低压进水电磁阀包括阀体、磁吸通断装置、进水口和出水口,所述进水口和所述出水口均位于所述阀体中,且所述进水口和所述出水口呈垂直关系；所述磁吸通断装置位于所述出水口顶端,且与所述阀体固定连接,用于开启或关闭所述超低压进水阀；所述磁吸通断装与所述出水口之间还安装有圆盘和薄膜套,所述圆盘和所述薄膜套能够在所述磁吸通断装置的作用下对所述进水口中的水流实现通断。该超低压进水电磁阀的所述圆盘为轻质塑料件；所述薄膜套为三元乙丙橡胶件；大大减轻其自身的重量,从而在水压低于0.02MPa人能正常工作。(The invention discloses an ultra-low pressure water inlet electromagnetic valve, and belongs to the technical field of valves. The ultra-low pressure water inlet electromagnetic valve comprises a valve body, a magnetic suction on-off device, a water inlet and a water outlet, wherein the water inlet and the water outlet are both positioned in the valve body and are in a vertical relation; the magnetic suction on-off device is positioned at the top end of the water outlet, is fixedly connected with the valve body and is used for opening or closing the ultra-low pressure water inlet valve; the magnetic suction on-off device and the water outlet are also provided with a disc and a film sleeve, and the disc and the film sleeve can be used for realizing the on-off of water flow in the water inlet under the action of the magnetic suction on-off device. The disc of the ultra-low pressure water inlet electromagnetic valve is a light plastic piece; the film sleeve is an ethylene propylene diene monomer rubber piece; greatly reducing the weight of the water pump, so that people can work normally when the water pressure is lower than 0.02 MPa.)

1. An ultra-low pressure water inlet electromagnetic valve is characterized by comprising a valve body (1), a magnetic suction on-off device (2), a water inlet (6) and a water outlet (3), wherein the water inlet (6) and the water outlet (3) are both positioned in the valve body (1), and the water inlet (6) and the water outlet (3) are in a vertical relation;

the magnetic suction on-off device (2) is positioned at the top end of the water outlet (3), is fixedly connected with the valve body (1) and is used for opening or closing the ultra-low pressure water inlet valve;

magnetism inhale on-off device (2) with still install disc (4) and film cover (5) between delivery port (3), disc (4) with film cover (5) can be right under the effect of magnetism inhale on-off device (2) rivers in water inlet (6) realize the break-make.

2. The ultra-low pressure water inlet electromagnetic valve according to claim 1, wherein the magnetic on-off device (2) comprises a coil (21), a fixed magnetic suction head (22), a movable armature (23) and a return spring (24), and two ends of the return spring (24) are respectively and fixedly connected with the fixed magnetic suction head (22) and the movable armature (23); the fixed magnetic attraction head (22) and the movable armature (23) are located on the same axis and are both located in the coil (21).

3. The ultra-low pressure water inlet solenoid valve as claimed in claim 2, wherein said fixed magnetic attraction head (22) comprises a fixed seat (221) and a fixed armature (222), said fixed seat (221) is fixedly connected in said coil (21), and said fixed armature (222) is fixedly connected to the top end of said fixed seat (221).

4. The ultra-low pressure water inlet solenoid valve as claimed in claim 1, wherein said membrane housing (5) has a connection through hole (51) at the center, said membrane housing (5) further has a plurality of balance holes (52), and said balance holes (52) surround said connection through hole (51).

5. The ultra-low pressure water inlet electromagnetic valve according to claim 4, characterized in that a water nozzle (41) and a water outlet end (42) are arranged on the disc (4), and the water nozzle (41) and the water outlet end (42) are respectively positioned on the front and back surfaces of the disc (4); both sides of the disc (4) are provided with water diversion grooves (43); the water outlet end (42) penetrates through the connecting through hole (51) and is in interference fit with the connecting through hole (51); one end of the balance hole (52) is aligned with the water diversion groove (43), and the other end of the balance hole is aligned with the water inlet (6).

6. The ultra-low pressure water inlet solenoid valve according to claim 5, wherein a balance chamber (7) is provided between the upper side of the disk (4) and the valve body (1), and the disk (4) and the membrane sleeve (5) can move up and down in the balance chamber (7) in the vertical direction.

7. The ultra low pressure water inlet solenoid valve as claimed in claim 1, wherein said disc (4) is a lightweight plastic; the film sleeve (5) is an ethylene propylene diene monomer rubber piece; the weight of the water pump is reduced, and therefore the ultra-low water pressure work is achieved.

Technical Field

The invention relates to the technical field of valves, in particular to an ultra-low pressure water inlet electromagnetic valve.

Background

The water inlet electromagnetic valve is suitable for taking water or liquid as a working medium, and can automatically control or remotely control the on-off of pipelines of the working medium such as water, oil, liquid and the like.

At present, the working water pressure of a common water inlet electromagnetic valve is 0.02-1MPa, but in some special occasions, the working water pressure is as low as 0.001MPa, and the common water inlet electromagnetic valve cannot work.

Disclosure of Invention

The invention aims to provide an ultra-low pressure water inlet electromagnetic valve, which solves the problem that the existing water inlet electromagnetic valve cannot work when the working water pressure is lower than 0.02 MPa.

In order to solve the technical problems, the invention provides an ultra-low pressure water inlet electromagnetic valve which comprises a valve body, a magnetic suction on-off device, a water inlet and a water outlet, wherein the water inlet and the water outlet are both positioned in the valve body and are in a vertical relation;

the magnetic suction on-off device is positioned at the top end of the water outlet, is fixedly connected with the valve body and is used for opening or closing the ultra-low pressure water inlet valve;

the water inlet is provided with a water inlet opening and closing device, the water inlet opening and closing device is connected with the water outlet opening and closing device through a magnetic attraction device, and a disc and a film sleeve are further installed between the magnetic attraction opening and closing device and the water outlet opening.

Optionally, the magnetic suction on-off device comprises a coil, a fixed magnetic suction head, a movable armature and a return spring, and two ends of the return spring are respectively fixedly connected with the fixed magnetic suction head and the movable armature; the fixed magnetic attraction head and the movable armature are located on the same axis and both located in the coil.

Optionally, the fixed magnetic suction head comprises a fixed seat and a fixed armature, the fixed seat is fixedly connected to the coil, and the fixed armature is fixedly connected to the top end of the fixed seat.

Optionally, a connection through hole is formed in the center of the film sleeve, a plurality of balance holes are further formed in the film sleeve, and the balance holes surround the connection through hole.

Optionally, a water nozzle and a water outlet end are arranged on the disc, and the water nozzle and the water outlet end are respectively positioned on the front surface and the back surface of the disc; both sides of the disc are provided with water diversion grooves; the water outlet end penetrates through the connecting through hole and is in interference fit with the connecting through hole; one end of the balance hole is aligned with the water diversion groove, and the other end of the balance hole is aligned with the water inlet.

Optionally, a balance cavity is arranged between the upper part of the disk and the valve body, and the disk and the film sleeve can move up and down in the balance cavity along the vertical direction.

Optionally, the disc is a lightweight plastic part; the film sleeve is an ethylene propylene diene monomer rubber piece; the weight of the water pump is reduced, and therefore the ultra-low water pressure work is achieved.

The invention provides an ultra-low pressure water inlet electromagnetic valve which comprises a valve body, a magnetic on-off device, a water inlet and a water outlet, wherein the water inlet and the water outlet are both positioned in the valve body and are in a vertical relation; the magnetic suction on-off device is positioned at the top end of the water outlet, is fixedly connected with the valve body and is used for opening or closing the ultra-low pressure water inlet valve; the magnetic suction on-off device and the water outlet are also provided with a disc and a film sleeve, and the disc and the film sleeve can be used for realizing the on-off of water flow in the water inlet under the action of the magnetic suction on-off device. The disc of the ultra-low pressure water inlet electromagnetic valve is a light plastic piece; the film sleeve is an ethylene propylene diene monomer rubber piece; greatly reducing the weight of the water pump, so that people can work normally when the water pressure is lower than 0.02 MPa.

Drawings

FIG. 1 is a cross-sectional view of an ultra-low pressure water inlet solenoid valve provided in the present invention;

FIG. 2 is a schematic structural diagram of a membrane sleeve of an ultra-low pressure water inlet solenoid valve provided by the invention;

FIG. 3 is a schematic structural diagram of a disc of an ultra-low pressure water inlet solenoid valve provided by the present invention;

fig. 4 is a schematic view of an installation structure of a film sleeve and a disc of an ultra-low pressure water inlet solenoid valve provided by the invention.

Detailed Description

The present invention provides an ultra-low pressure water inlet solenoid valve, which is described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

The invention provides an ultra-low pressure water inlet electromagnetic valve, which comprises a valve body 1, a magnetic suction on-off device 2, a water inlet 6 and a water outlet 3, wherein the water inlet 6 and the water outlet 3 are both positioned in the valve body 1, and the water inlet 6 and the water outlet 3 are in a vertical relation; the magnetic suction on-off device 2 is positioned at the top end of the water outlet 3, is fixedly connected with the valve body 1 and is used for opening or closing the ultra-low pressure water inlet valve; the magnetic suction on-off device 2 and the water outlet 3 are further provided with a disc 4 and a film sleeve 5, and the disc 4 and the film sleeve 5 can be used for realizing on-off of water flow in the water inlet 6 under the action of the magnetic suction on-off device 2.

Specifically, the magnetic on-off device 2 comprises a coil 21, a fixed magnetic suction head 22, a movable armature 23 and a return spring 24, wherein two ends of the return spring 24 are respectively fixedly connected with the fixed magnetic suction head 22 and the movable armature 23; the fixed magnetic attraction head 22 and the movable armature 23 are located on the same axis and are both located in the coil 21. Further, the fixed magnetic attraction head 22 comprises a fixed seat 221 and a fixed armature 222, wherein the fixed seat 221 is fixedly connected in the coil 21, and the fixed armature 222 is fixedly connected to the top end of the fixed seat 221; when the coil 21 is energized, the fixed armature 222 and the movable armature 23 will attract each other due to the magnetic force, and the movable armature 23 will move upward in the vertical direction.

Specifically, as shown in fig. 2, a connecting through hole 51 is formed in the center of the thin film sleeve 5, a plurality of balance holes 52 are further formed in the thin film sleeve 5, and the balance holes 52 surround the connecting through hole 51.

Specifically, as shown in fig. 3 and 4, a water nozzle 41 and a water outlet end 42 are arranged on the disc 4, and the water nozzle 41 and the water outlet end 42 are respectively located on the front surface and the back surface of the disc 4; both sides of the disc 4 are provided with water diversion grooves 43; the water outlet end 42 penetrates through the connecting through hole 51 and is in interference fit with the connecting through hole 51; one end of the balance hole 52 is aligned with the water diversion groove 43, and the other end is aligned with the water inlet 6, further, as shown in fig. 1, a balance cavity 7 is arranged between the upper part of the disc 4 and the valve body 1, and the disc 4 and the thin film sleeve 5 can move up and down in the balance cavity 7 along the vertical direction; the disc 4 is a light plastic piece; the film sleeve 5 is an ethylene propylene diene monomer rubber piece; the weight of the water pump is reduced, and therefore the ultra-low water pressure work is achieved.

Specifically, when the ultra-low pressure water inlet solenoid valve is in a closed state, water in the water inlet 6 enters the balance cavity 7 through the balance hole 52 and the water guide groove 43, and after the balance cavity 7 is filled with water, the internal and external water pressures are consistent, so that the service lives of the disc 4 and the film sleeve 5 can be greatly prolonged. When the ultra-low pressure water inlet electromagnetic valve works, firstly, alternating current is introduced into the coil 2, the fixed armature 222 and the movable armature 23 generate magnetic force on the coil 2 according to the electromagnetic principle, the magnetic force and the magnetic force are mutually attracted, the movable armature 23 moves upwards to be separated from the water nozzle 41, and then water in the balance cavity 7 flows out of the water nozzle 41 and enters the water outlet 3 through the water outlet end 42; the disk 4 and the film sleeve 5 move upwards along the vertical direction under the action of the water pressure of the water inlet 6, the water in the water inlet 6 flows out of a gap between the disk 4 and the valve body 1 and enters the water outlet 3, and the ultra-low pressure water inlet electromagnetic valve can be completely opened.

The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.