CN217130472U

CN217130472U - Compact piston type electromagnetic valve

Info

Publication number: CN217130472U
Application number: CN202220932006.2U
Authority: CN
Inventors: 曹先灿; 彭燕玲; 曹宏欧
Original assignee: Wuhan Taijiang Technology Co ltd
Current assignee: Wuhan Taijiang Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-05
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a compact piston type electromagnetic valve, which comprises a valve body, wherein an electromagnetic coil is arranged inside the valve body, an installing head is fixedly arranged at the upper end inside the valve body, an iron core valve rod is arranged inside the valve body in a sliding manner, a piston is fixedly arranged at the lower end of the iron core valve rod, a sealing element is arranged on the surface of the lower end of the piston, an inner chute is arranged inside the piston, an inner sliding sealing block is arranged inside the inner chute in a sliding manner, the upper electromagnet attracts the lower electromagnet by electrifying the upper electromagnet and the lower electromagnet, the lower electromagnet moves upwards in a magnetism isolating groove to drive the inner sliding sealing block in a transmission rod to slide upwards in the inner chute, so that the pressure difference at two ends is balanced through the through grooves at two ends of the inner chute, then the electromagnetic coil is electrified to drive the iron core valve rod to move to drive the piston to slide in the piston chute to open a valve, when the power is off, the spring drives the piston to reset, so that the valve is more convenient to open, and the volume is smaller.

Description

Compact piston type electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field specifically is a compact piston solenoid valve.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. 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.

The existing piston type electromagnetic valve drives an iron core piston to move up and down through an electromagnetic coil, but because of the pressure difference between two sides of the electromagnetic valve, the winding amount of the electromagnetic coil can be increased in order to ensure normal opening when the electromagnetic valve is opened and closed, so that larger electromagnetic force is generated under the condition of inconvenient current, however, the size of the electromagnetic valve is increased due to the mode, the electromagnetic valve is not compact enough, the space is wasted, and therefore the problem needs to be improved through a compact piston type electromagnetic valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact piston solenoid valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a compact piston solenoid valve, includes the valve body, the inside solenoid that is equipped with of valve body, the inside upper end of valve body is fixed and is equipped with the installation head, the inside slip of valve body is equipped with the iron core valve rod, the fixed piston that is equipped with of iron core valve rod lower extreme, piston lower extreme surface is equipped with the sealing member, the inside interior spout that is equipped with of piston, the inside slip of interior spout is equipped with interior sliding seal piece, the fixed transfer line that is equipped with in interior sliding seal piece upper end, the fixed electro-magnet that is equipped with in transfer line one end, the electro-magnet upper end correspondence is equipped with down.

As the utility model discloses preferred scheme, the inside magnetism-isolating groove that is equipped with of installation head goes up electromagnet fixed connection in magnetism-isolating groove upper end surface, and lower electromagnet sliding connection is inside in magnetism-isolating groove.

As the utility model discloses preferred scheme, transfer line sliding connection is inside the iron core valve rod.

As the utility model discloses preferred scheme, iron core valve rod upper end is the spill setting, and iron core valve rod upper end spill department is equipped with the spring, and the spring upper end is connected with the installation head laminating.

As the utility model discloses preferred scheme, the inside lower extreme of valve body is equipped with the piston spout, and piston sliding connection is inside the piston spout.

As the utility model discloses preferred scheme, the setting of import and export UNICOM in the valve body both sides respectively is passed through to the groove in interior spout both ends.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through going up electromagnet and lower electro-magnet circular telegram, the electro-magnet holds down the electro-magnet on making, lower electro-magnet is at the inside rebound of magnetism isolating groove to inside upwards sliding of spout including sliding seal piece in the drive transfer line, thereby it makes the pressure differential balance at both ends to lead to the groove through interior spout both ends, thereby it drives the iron core valve rod removal and drives the piston and open the valve at the inside slip of piston spout to make the solenoid circular telegram this moment again, the spring drives the piston and resets during the outage, more conveniently open, it is littleer to make the volume.

Drawings

Fig. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the piston chute of the present invention;

fig. 3 is a schematic view of the internal structure of the magnetism isolating groove of the present invention.

In the figure: 1. a mounting head; 2. a valve body; 3. an electromagnetic coil; 4. a piston chute; 5. a seal member; 6. a piston; 7. a transmission rod; 8. an inner chute; 9. an inner sliding seal block; 10. a magnetism isolating groove; 11. electrifying an electromagnet; 12. a lower electromagnet; 13. a spring; 14. iron core valve rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

in the embodiment, referring to fig. 1, 2 and 3, a compact piston-type solenoid valve includes a valve body 2, an electromagnetic coil 3 is disposed inside the valve body 2, a mounting head 1 is fixedly disposed at an upper end inside the valve body 2, an iron core valve rod 14 is slidably disposed inside the valve body 2, a piston 6 is fixedly disposed at a lower end of the iron core valve rod 14, a sealing member 5 is disposed on a lower end surface of the piston 6, an inner chute 8 is disposed inside the piston 6, an inner sliding seal block 9 is slidably disposed inside the inner chute 8, a transmission rod 7 is fixedly disposed at an upper end of the inner sliding seal block 9, a lower electromagnet 12 is fixedly disposed at one end of the transmission rod 7, an upper electromagnet 11 is correspondingly disposed at an upper end of the lower electromagnet 12, the upper electromagnet 11 and the lower electromagnet 12 are energized to attract the lower electromagnet 12, the lower electromagnet 12 moves upward inside the magnetic isolation groove 10, thereby driving the inner sliding seal block 9 inside the inner chute 8 of the transmission rod 7 to slide upward, thereby balancing the pressure difference at both ends through the through grooves at both ends of the inner chute 8.

In an embodiment, referring to fig. 1, 2 and 3, a magnetic isolation slot 10 is formed inside the mounting head 1, an upper electromagnet 11 is fixedly connected to an upper end surface of the magnetic isolation slot 10, and a lower electromagnet 12 is slidably connected inside the magnetic isolation slot 10.

In an embodiment, referring to fig. 1, 2 and 3, the transmission rod 7 is slidably connected inside the plunger stem 14.

In an embodiment, referring to fig. 1, 2 and 3, an upper end of the iron core valve rod 14 is concave, a spring 13 is disposed at the concave position of the upper end of the iron core valve rod 14, an upper end of the spring 13 is attached to the mounting head 1, the electromagnetic coil 3 is powered on to drive the iron core valve rod 14 to move to drive the piston 6 to slide in the piston chute 4 to open the valve, and the spring 13 drives the piston 6 to reset when the power is off.

In an embodiment, referring to fig. 1, 2 and 3, a piston sliding groove 4 is formed at a lower end of an inside of the valve body 2, and the piston 6 is slidably connected to the inside of the piston sliding groove 4.

In an embodiment, referring to fig. 1, 2 and 3, two ends of the inner chute 8 are respectively communicated with the inlet and the outlet at two sides of the valve body 2 through the through groove.

The working principle is as follows: when the electromagnetic valve is used, the upper electromagnet 11 and the lower electromagnet 12 are electrified, the upper electromagnet 11 attracts the lower electromagnet 12, the lower electromagnet 12 moves upwards in the magnetic isolation groove 10, the inner sliding sealing block 9 in the transmission rod 7 is driven to slide upwards in the inner sliding groove 8, the pressure difference at two ends is balanced through the through grooves at two ends of the inner sliding groove 8, the electromagnetic coil 3 is electrified to drive the iron core valve rod 14 to move, the piston 6 is driven to slide in the piston sliding groove 4 to open the valve, and the spring 13 drives the piston 6 to reset when power is off.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compact piston solenoid valve, includes valve body (2), its characterized in that: the inside solenoid (3) that is equipped with of valve body (2), the fixed installation head (1) that is equipped with in inside upper end of valve body (2), the inside slip of valve body (2) is equipped with iron core valve rod (14), iron core valve rod (14) lower extreme is fixed and is equipped with piston (6), piston (6) lower extreme surface is equipped with sealing member (5), spout (8) in piston (6) inside being equipped with, interior spout (8) inside slip is equipped with interior sliding seal piece (9), interior sliding seal piece (9) upper end is fixed and is equipped with transfer line (7), electro-magnet (12) under fixed being equipped with of transfer line (7) one end, electro-magnet (12) upper end correspondence is equipped with down electro-magnet (11) down.

2. A compact piston solenoid valve according to claim 1, characterized in that: the mounting head (1) is internally provided with a magnetism isolating groove (10), the upper electromagnet (11) is fixedly connected to the upper end surface of the magnetism isolating groove (10), and the lower electromagnet (12) is connected to the inside of the magnetism isolating groove (10) in a sliding mode.

3. A compact piston solenoid valve according to claim 1, characterized in that: the transmission rod (7) is connected inside the iron core valve rod (14) in a sliding mode.

4. A compact piston solenoid valve according to claim 1, characterized in that: the iron core valve rod (14) upper end is the spill setting, and iron core valve rod (14) upper end spill department is equipped with spring (13), and spring (13) upper end is connected with installation head (1) laminating.

5. A compact piston solenoid valve according to claim 1, characterized in that: the lower end in the valve body (2) is provided with a piston sliding groove (4), and a piston (6) is connected in the piston sliding groove (4) in a sliding manner.

6. A compact piston solenoid valve according to claim 1, characterized in that: the two ends of the inner chute (8) are respectively communicated with the inlet and the outlet at the two sides of the valve body (2) through the through grooves.