CN209876104U - Two-position three-way electromagnetic valve - Google Patents

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a two-position three-way electromagnetic valve, which comprises a three-nozzle single-head valve body, wherein a water through cavity is arranged in the three-nozzle single-head valve body, the top of the water through cavity is communicated with two water outlet pipes, the bottom of the water through cavity is communicated with a cavity, and the cavity is communicated with a water inlet pipe; a sealing rubber head which is used for being plugged into the bottom end of the water through cavity is arranged in the cavity, the sealing rubber head is positioned at the top end of a movable iron core which can move up and down, and the bottom end of the movable iron core is connected with a static iron core through a pressure spring; the movable iron core and the static iron core are positioned in a copper pipe, a coil framework is circumferentially arranged on the outer side of the copper pipe, a coil is wound on the coil framework, and the coil framework is fixed in a holding frame; the utility model discloses simple structure, firm, the preparation is convenient, can control the liquid circulation better.

Description

Two-position three-way electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field, specifically speaking relates to a two-position three way solenoid valve.

Background

The electromagnetic valve is widely applied to supply, transmission, control and power systems of fluids such as liquid, gas and the like, generally, the electromagnetic valve realizes the purposes of conducting and stopping control on the valve by means of electromagnetic suction, gas pressure, spring elasticity and the like, and is a key part of the whole system.

The two-position three-way electromagnetic valve is used for switching on, switching off or converting the flowing direction of different media such as liquid, gas and the like in a system, and can be widely applied to refrigeration, acid-base medium conversion, and automatic control application of chemical plants and equipment systems.

The existing two-position three-way electromagnetic valve has a complex structure and is very troublesome to manufacture and install, and in order to reduce cost and improve production efficiency, the two-position three-way electromagnetic valve is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a two-position three-way solenoid valve that overcomes some or all of the disadvantages of the prior art.

According to the utility model, the two-position three-way electromagnetic valve comprises a three-nozzle single-head valve body, a water through cavity is arranged in the three-nozzle single-head valve body, the top of the water through cavity is communicated with two water outlet pipes, the bottom of the water through cavity is communicated with a cavity, and the cavity is communicated with a water inlet pipe; a sealing rubber head which is used for being plugged into the bottom end of the water through cavity is arranged in the cavity, the sealing rubber head is positioned at the top end of a movable iron core which can move up and down, and the bottom end of the movable iron core is connected with a static iron core through a pressure spring; the movable iron core and the static iron core are positioned in a copper pipe, a coil framework is circumferentially arranged on the outer side of the copper pipe, a coil is wound on the coil framework, and the coil framework is fixed in a holding frame.

In the utility model, after the coil is electrified, a magnetic field is generated, so that the movable iron core and the static iron core are attracted, the movable iron core moves downwards, the pressure spring contracts, at the moment, the sealing rubber head at the top end of the movable iron core moves downwards, the bottom end of the water through cavity is communicated with the cavity, and the water inlet pipe and the two water outlet pipes can be communicated with water; when the coil is powered off, the tension of the pressure spring enables the sealant at the top end of the movable iron core to be pushed upwards, so that a water path at the bottom end of the water through cavity is blocked, and a channel between the water inlet pipe and the two water outlet pipes is closed; this preferably achieves the purpose of controlling the liquid flow. The two-position three-way electromagnetic valve is simple to manufacture, low in cost and stable in structure.

Preferably, the static iron core is fixed at the bottom end inside the retainer, and the bottom end of the static iron core extends out of the bottom end of the retainer and is fixed by a clamping ring.

The utility model discloses in, quiet iron core bottom is stretched out the holder bottom and is fixed by a rand, and like this, the installation of quiet iron core is very convenient, and the position is very stable moreover.

Preferably, the top end of the copper pipe extends into the cavity, the O-shaped ring is sleeved at the top end of the copper pipe, and the other O-shaped ring is sleeved on the static iron core.

The utility model discloses in, the setting of O shape circle can improve the leakproofness.

Preferably, the holder is provided with a mounting member on one side thereof, and the mounting member is provided with a contact on a bottom surface thereof, the contact being electrically connected to the coil in correspondence therewith.

The utility model discloses in, the installed part is used for installing the contact, and the contact can external power supply, supplies power for the coil.

Preferably, the bottom surface of the mounting piece is provided with a fixing frame, and the fixing frame is connected with the holding frame.

The utility model discloses in, the setting of mount can improve the stability of installed part.

Preferably, the two water outlet pipes are arranged in parallel with the water inlet pipe.

The utility model discloses in, two outlet pipes and inlet tube parallel arrangement have just so made things convenient for the cooperation of this two-position three way solenoid valve and other equipment.

Drawings

Fig. 1 is a schematic cross-sectional view of a two-position three-way solenoid valve in embodiment 1;

fig. 2 is a schematic perspective view of a two-position three-way solenoid valve according to embodiment 1;

fig. 3 is a schematic structural view of a copper pipe in example 1.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention only and are not limiting.

Example 1

As shown in fig. 1 and fig. 2, the present embodiment provides a two-position three-way electromagnetic valve, which includes a three-nozzle single-head valve body 110, a water through cavity 111 is provided in the three-nozzle single-head valve body 110, the top of the water through cavity 111 is communicated with two water outlet pipes 121, the bottom of the water through cavity 111 is communicated with a cavity 112, and the cavity 112 is communicated with a water inlet pipe 122; a sealing rubber head 130 which is plugged into the bottom end of the water through cavity 111 is arranged in the cavity 112, the sealing rubber head 130 is positioned at the top end of a movable iron core 140 which can move up and down, and the bottom end of the movable iron core 140 is connected with a static iron core 160 through a pressure spring 150; the movable iron core 140 and the stationary iron core 160 are located in a copper pipe 210, a coil bobbin 170 is circumferentially arranged outside the copper pipe 210, a coil 180 is wound on the coil bobbin 170, and the coil bobbin 170 is fixed in a holder 190.

When the coil 180 is electrified, a magnetic field is generated, so that the movable iron core 140 and the static iron core 160 are attracted, the movable iron core 140 moves downwards, the pressure spring 150 contracts, at this time, the sealing rubber head 130 at the top end of the movable iron core 140 moves downwards, the bottom end of the water through cavity 111 is communicated with the cavity 112, and the water inlet pipe 122 and the two water outlet pipes 121 can be communicated with water; when the coil 180 is powered off, the tension of the compression spring 150 pushes the sealing rubber head 130 at the top end of the movable iron core 140 upwards, so that a water path at the bottom end of the water through cavity 111 is blocked, and a channel between the water inlet pipe 122 and the two water outlet pipes 121 is closed; this preferably achieves the purpose of controlling the liquid flow. The two-position three-way electromagnetic valve is simple to manufacture, low in cost and stable in structure.

In this embodiment, the stationary core 160 is fixed at the bottom end of the inside of the holder 190, and the bottom end of the stationary core 160 extends out of the bottom end of the holder 190 and is fixed by a collar 220.

The bottom end of the static iron core 160 extends out of the bottom end of the retainer 190 and is fixed by a collar 220, so that the static iron core 160 is very convenient to install and stable in position.

In this embodiment, the top end of the copper tube 210 extends into the cavity 112, the top end of the copper tube 210 is sleeved with an O-ring, and the stationary iron core 160 is sleeved with another O-ring.

The arrangement of the O-shaped ring can improve the sealing property.

In this embodiment, a mounting member 230 is disposed on one side of the holder 190, a contact 240 is disposed on a bottom surface of the mounting member 230, and the contact 240 is electrically connected to the coil 180.

The mounting member 230 is configured to mount contacts 240, and the contacts 240 are configured to be coupled to an external power source to provide power to the coil 180.

In this embodiment, the fixing frame 231 is disposed on the bottom surface of the mounting member 230, and the fixing frame 231 is connected to the holder 190.

The fixing frame 231 is provided to improve the stability of the mounting member 230.

In this embodiment, the two water outlet pipes 121 are arranged in parallel with the water inlet pipe 122.

The two water outlet pipes 121 are arranged in parallel with the water inlet pipe 122, so that the two-position three-way electromagnetic valve is convenient to be matched with other equipment.

As shown in fig. 3, in this embodiment, a plurality of rotatable plastic balls 141 are embedded in the side wall of the movable core 140, and a plurality of rail grooves 211 matched with the plastic balls 141 are formed in the copper pipe 210.

Through the setting of plastics ball 141 for the removal friction of moving iron core 140 is little, adopts the plastics material can not influence the removal orbit that moves iron core 140 moreover, and plastics ball 141 and rail groove 211's cooperation makes the position of moving iron core 140 very stable, can not take place to rotate during the removal, also can not the horizontal hunting, has improved life and job stabilization nature. The plastic ball 141 is mounted on the plunger 140 through a cover.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims (6)

1. A two-position three-way electromagnetic valve is characterized in that: the three-nozzle single-head valve comprises a three-nozzle single-head valve body (110), wherein a water through cavity (111) is arranged in the three-nozzle single-head valve body (110), the top of the water through cavity (111) is communicated with two water outlet pipes (121), the bottom end of the water through cavity (111) is communicated with a cavity (112), and the cavity (112) is communicated with a water inlet pipe (122); a sealing rubber head (130) which is plugged into the bottom end of the water through cavity (111) is arranged in the cavity (112), the sealing rubber head (130) is positioned at the top end of a movable iron core (140) which can move up and down, and the bottom end of the movable iron core (140) is connected with a static iron core (160) through a pressure spring (150); the movable iron core (140) and the static iron core (160) are positioned in a copper pipe (210), a coil framework (170) is arranged on the outer side of the copper pipe (210) in the circumferential direction, a coil (180) is wound on the coil framework (170), and the coil framework (170) is fixed in a retaining frame (190).

2. The two-position, three-way solenoid valve of claim 1, wherein: the static iron core (160) is fixed at the bottom end inside the retainer (190), and the bottom end of the static iron core (160) extends out of the bottom end of the retainer (190) and is fixed by a clamping ring (220).

3. A two-position three-way solenoid valve according to claim 2, wherein: the top end of the copper pipe (210) extends into the cavity (112), the O-shaped ring is sleeved at the top end of the copper pipe (210), and the other O-shaped ring is sleeved on the static iron core (160).

4. A two-position, three-way solenoid valve as defined in claim 3 wherein: one side of the retainer (190) is provided with a mounting piece (230), the bottom surface of the mounting piece (230) is provided with a contact (240), and the contact (240) is correspondingly and electrically connected with the coil (180).

5. The two-position, three-way solenoid valve of claim 4, wherein: the bottom surface of the mounting piece (230) is provided with a fixing frame (231), and the fixing frame (231) is connected with the retainer (190).

6. The two-position, three-way solenoid valve of claim 5, wherein: the two water outlet pipes (121) are arranged in parallel with the water inlet pipe (122).