CN213541462U

CN213541462U - Low-energy-consumption pulse control type pilot electromagnetic valve

Info

Publication number: CN213541462U
Application number: CN202021703649.7U
Authority: CN
Inventors: 张晶源; 陆灿; 陈鹏华; 胡登; 金泽轩
Original assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Current assignee: Jinhua Hongchang Electrlcal Equipment Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-25
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a low energy consumption pulse control type pilot solenoid valve, which comprises a valve body, a water inlet arranged on one side of the valve body, a water outlet arranged on the other side of the valve body, a water sealing port arranged on the valve body, an installation cover arranged on the water sealing port, a pilot hole arranged in the installation cover, a movable cavity arranged on the pilot hole and a movable structure arranged in the movable cavity; the magnetic core is arranged in the movable cavity, the iron core can move up and down along the magnetic core, the reset piece is used for connecting the iron core and the magnetic core, the magnetic ring is sleeved outside the iron core, and the first sealing piece is arranged below the iron core. The utility model discloses an iron core carries out upwards or decurrent motion in magnetic conduction core below, can be so that the solenoid valve realizes the state of closing and opening automatically, has prolonged the life of solenoid valve.

Description

Low-energy-consumption pulse control type pilot electromagnetic valve

Technical Field

The utility model belongs to the technical field of the solenoid valve, especially, relate to a low energy consumption pulse control formula guide's solenoid valve.

Background

In a pure drinking device, a solenoid valve which needs to be kept in a closed state for a long time and in an open state for a long time is used. No matter whether a normally open electromagnetic valve or a normally closed valve is selected, the electromagnetic valve needs to be continuously powered for a long time so as to keep a closed state or an open state. The electromagnetic valve is electrified for a long time, electric energy is wasted, and the electromagnetic valve is electrified for a long time to emit a large amount of heat energy, so that the service life of the electromagnetic valve is influenced, and other potential safety hazards can be generated.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide an energy-conserving low energy consumption pulse control formula leads first current magnetic valve case.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a low-energy-consumption pulse control type pilot electromagnetic valve comprises a valve body, a water inlet arranged on one side of the valve body, a water outlet arranged on the other side of the valve body, a water sealing port arranged on the valve body, an installation cover arranged on the water sealing port, a pilot hole arranged in the installation cover, a movable cavity arranged on the pilot hole and a movable structure arranged in the movable cavity; the magnetic core is arranged in the movable cavity, the iron core can move up and down along the lower portion of the magnetic core, the reset piece is used for connecting the iron core and the magnetic core, the magnetic ring is sleeved outside the iron core, and the first sealing piece is arranged below the iron core. The utility model discloses an iron core adsorbs mutually with the magnetic conduction core during rebound, at this moment the solenoid valve belongs to the state of opening, when the iron core carries out the rebound, do not adsorb mutually with the magnetic conduction core, at this moment the solenoid valve belongs to closed condition, thereby make the solenoid valve need not be in operating condition for a long time, and avoided long-time circular telegram to give off a large amount of heat energy, more energy-concerving and environment-protective, the life of solenoid valve has been prolonged again simultaneously, the potential safety hazard has also been improved simultaneously, secondly through the setting that resets again, make the iron core realize automatic re-setting, make the more smooth of working process.

Further, the mounting cover comprises a cover body, a coil arranged above the cover body and an iron plate used for connecting the coil and the cover body; the active cavity is formed within the coil. The solenoid valve has good waterproof performance, so that the safety factor is improved in the working process of the solenoid valve.

Furthermore, a branch pipeline communicated with the water outlet is arranged on the pilot hole. The back pressure cavity generates back pressure or releases pressure more directly and effectively by the fixed flow channel flowing to the water outlet, so that the opening and closing performance of the electromagnetic valve is more effectively guaranteed.

Furthermore, one end of the pilot hole is communicated with the movable cavity, and the other end of the pilot hole extends to the water outlet. Through setting up the pilot hole, just need not consider the activity height of pilot hole, consequently can reduce the activity stroke of iron core to reach the purpose that reduces coil power, and can use the more thin enameled wire of line diameter to reduce the enameled wire quantity simultaneously.

Furthermore, a second sealing element matched with the lower end of the coil is arranged on the magnetic conduction core. Through the setting of second sealing member for the solenoid valve belongs to sealed state, and magnetic core can keep steady state, also protects the effect to magnetic core simultaneously.

Furthermore, a third sealing element is arranged on the magnetic ring. Through setting up the third sealing member for magnetic ring and more high-efficient of iron core cooperation degree prevent other external additions, also including installation lid inner chamber and solenoid inner chamber sealed with the external world simultaneously, improved the operation of solenoid valve work.

Furthermore, a plug matched with the pilot hole is arranged on the cover body. Through setting up the end cap, guaranteed the stability of solenoid valve operation.

Furthermore, the valve body also comprises a sealing element, a plurality of small holes and grooves which are arranged on the sealing element, and a sealing ring frame which is arranged on the mounting cover. Through the arrangement of the small holes and the grooves, the holes and the grooves of the water pressure channel can enter the back pressure cavity to form back pressure to press the sealing ring on the water sealing port, so that the whole electromagnetic valve has higher sealing and waterproof performance.

Furthermore, a fourth sealing element matched with the guide hole is arranged on the cover body. Through the setting of fourth sealing member, can guarantee that pilot hole and delivery port are sealed with the external world, guarantee the stability of solenoid valve work operation.

To sum up the utility model has the advantages of it is following: the utility model discloses an iron core carries out upwards or decurrent motion in magnetic conduction core below, can be so that the solenoid valve realizes the state of closing and opening automatically, has prolonged the life of solenoid valve.

Drawings

Fig. 1 is an explosion diagram of the present invention.

Fig. 2 is a top view of the present invention.

FIG. 3 is a sectional perspective view taken along A-A in FIG. 2

Fig. 4 is a left side view of the present invention.

Fig. 5 is a schematic structural view of the sealing ring of the present invention.

Fig. 6 is a schematic structural view of the seal ring frame of the utility model.

Detailed Description

As shown in fig. 1-6, a low energy consumption pulse control type pilot solenoid valve comprises a valve body 1, a water inlet 2, a water outlet 3, a water sealing port 4, an installation cover 5, a pilot hole 6 and a movable cavity 7; the water inlet 2 is arranged on the left side of the valve body 1; the water outlet 3 is arranged on the right side of the valve body 1; the water sealing port 4 is arranged on the valve body 1; the mounting cover 5 is arranged on the water sealing port 4; the pilot hole 6 is arranged in the mounting cover 5; the movable cavity 7 is arranged on the pilot hole 6 and communicated with the pilot hole 6.

The movable cavity 7 is internally provided with a magnetic conducting core 70, an iron core 71, a resetting piece 73, a magnetic ring 74 and a first sealing piece 75; the magnetic conducting core 70 is arranged in the movable cavity 7, and the magnetic conducting core 70 is a magnetic conducting core; the iron core 71 is arranged below the magnetic conducting core 70, can move up and down along the lower part of the magnetic conducting core 70 and is in a state of being attached to or opened from the magnetic conducting core 70; the reset piece 73 is used for fixedly connecting the iron core 71 and the magnetic core 70, and the reset piece 73 is a spring; the magnetic ring 74 is sleeved outside the iron core 71; the first sealing element 75 is sleeved on the lower portion of the iron core 71, and the first sealing element 75 is a rubber core.

The mounting cover 5 comprises a cover body 50, a coil 51 and an iron plate 53; the cover body 50 is provided with a fourth sealing element 94 which is matched with the pilot hole 6, so that the isolation of the pilot hole 6 from the outside is ensured; the coil 51 is arranged above the cover body 50, and the movable cavity 7 is formed in the coil 51; the iron plate 53 is used to fixedly connect the coil pack 51 and the cover 50.

One end of the pilot hole 6 is communicated with the movable cavity 7, the other end of the pilot hole extends to the water outlet 3, and the other end of the pilot hole 6 is provided with a plug 80 for sealing; the pilot hole 6 is provided with a branch pipe 30 which is communicated with the water outlet 3.

The magnetic core 70 is provided with a second sealing element 52, and the second sealing element 52 is a rubber ring and is tightly attached to the coil 51 in a sealing manner.

A third sealing element 76 is arranged on the magnetic ring 74, and the third sealing element 76 is a rubber ring and is tightly and hermetically attached to the lower part of the iron core 71.

The valve body 1 further comprises a sealing member 90, a small hole 91, a groove 92, a sealing ring frame 93 and a fourth sealing member 94; the number of the small holes 91 is multiple, the small holes can be arranged according to specific practical conditions, and the small holes are uniformly arranged on the sealing element 90 at intervals; the groove is arranged on the periphery of the sealing element 90; the seal ring frame 93 is arranged on the mounting cover and is matched with the pilot hole 6 to keep the pilot hole and the water outlet sealed with the outside.

The cover 50 is provided with a fourth sealing element 94 which cooperates with the pilot hole 6.

The specific working process is as follows: liquid enters from the water inlet and flows through the groove and the small hole to form back pressure to press the sealing ring on the water sealing port, secondly, the movement of the iron core is controlled, when the magnetic conduction core generates a magnetic flux in a loop of the iron plate, the magnetic conduction core and the iron core, the magnetic flux enables the magnetic conduction core and the iron core to keep an adsorption state, the reset piece is compressed, at the moment, the electromagnetic valve keeps an open state, when a pulse signal in a certain direction is given to the electromagnetic valve, the coil generates a magnetic flux in the magnetic loop opposite to that generated by the magnetic ring, so that the iron core is separated from the magnetic core, after the electromagnetic force of the pulse signal disappears, because the iron core is separated from the magnetic loop of the magnetic conduction core to generate a certain air gap, the magnetic resistance of the magnetic loop is greatly increased, the magnetic flux of the magnetic ring in the magnetic loop is greatly reduced, so that the magnetic force of the magnetic ring borne by the iron core is also greatly reduced, and the elastic force of the reset piece overcomes the magnetic force to press the iron core and the first sealing piece on the pilot hole, so that the electromagnetic valve is kept in a closed state. The solenoid valve is provided with a pulse signal in the other direction, the solenoid coil generates a magnetic flux in the same direction as that generated by the magnetic ring in the magnetic loop, the iron core overcomes the elasticity of the reset piece and is attracted with the magnetic conduction core under the combined action of the electromagnetic force and the magnetic force of the magnetic ring, after the electromagnetic force of the pulse signal disappears, the magnetic conduction core and the iron core are kept in an attraction state under the action of the magnetic force of the magnetic ring, and the solenoid valve is kept in an opening state.

Claims

1. A low-energy-consumption pulse control type pilot electromagnetic valve comprises a valve body (1), a water inlet (2) arranged on one side of the valve body (1), a water outlet (3) arranged on the other side of the valve body (1), a water sealing opening (4) arranged on the valve body (1), an installation cover (5) arranged on the water sealing opening (4), a pilot hole (6) arranged in the installation cover (5) and a movable cavity (7) arranged on the pilot hole (6); the method is characterized in that: the magnetic core type magnetic switch is characterized by further comprising a magnetic core (70) arranged in the movable cavity (7), an iron core (71) capable of moving up and down along the magnetic core (70), a reset piece (73) used for connecting the iron core (71) and the magnetic core (70), a magnetic ring (74) sleeved outside the iron core (71), and a first sealing piece (75) arranged below the iron core (71).

2. The low-energy-consumption pulse-controlled pilot solenoid valve according to claim 1, characterized in that: the mounting cover (5) comprises a cover body (50), a coil (51) arranged above the cover body (50) and an iron plate (53) used for connecting the coil (51) and the cover body (50); the active chamber (7) is formed in a coil (51).

3. The low-energy-consumption pulse-controlled pilot solenoid valve according to claim 1, characterized in that: the valve body (1) further comprises a sealing element (90), a plurality of small holes (91) and grooves (92) which are formed in the sealing element (90), and a sealing ring frame (93) which is arranged on the mounting cover (5); and a groove (95) or a hole matched with the small hole (91) is formed in the sealing ring frame (93).

4. The low-energy-consumption pulse-controlled pilot solenoid valve according to claim 1, characterized in that: a branch pipeline (30) communicated with the water outlet (3) is arranged on the pilot hole (6).

5. The low-energy-consumption pulse-controlled pilot solenoid valve according to claim 1, characterized in that: one end of the pilot hole (6) is communicated with the movable cavity (7), and the other end extends to the water outlet (3).

6. A low energy pulse controlled pilot solenoid valve as claimed in claim 2, wherein: and a second sealing element (52) matched with the lower end of the solenoid (51) is arranged on the magnetic conduction core (70).

7. The low-energy-consumption pulse-controlled pilot solenoid valve according to claim 1, characterized in that: and a third sealing element (76) is arranged on the magnetic ring (74).

8. A low energy pulse controlled pilot solenoid valve as claimed in claim 2, wherein: the cover body (50) is provided with a plug (80) matched with the pilot hole (6).

9. A low energy pulse controlled pilot solenoid valve as claimed in claim 2, wherein: and a fourth sealing element (94) matched with the guide hole (6) is arranged on the cover body (50).