CN217177604U

CN217177604U - Electromagnetic valve

Info

Publication number: CN217177604U
Application number: CN202122666947.4U
Authority: CN
Inventors: 黄小伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-08-12
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a solenoid valve, include the valve body, install the coil holder at the valve body front end and install the valve barrel in the valve body rear end, the rear end of valve barrel is equipped with the disk seat, be equipped with the main valve core in the valve barrel, install the spring that sets up along the axial between main valve core and the valve barrel, install in the valve body with coil holder complex ejector pin subassembly, be equipped with at least one valve block in the main valve core, be equipped with at least one valve block in the valve barrel, the left end and the valve block of spring are connected, compress tightly the part of valve block on the main valve core, and the right-hand member is connected with the valve block, compresses tightly the valve block on the valve barrel. In this way, the utility model discloses the solenoid valve can improve the installation straightness and the precision of hanging down of spring through installation valve block and valve block, has reduced the machining precision of main valve core, valve barrel and spring, simple structure, safe and reliable.

Description

Electromagnetic valve

Technical Field

The utility model relates to an industrial equipment field especially relates to a solenoid valve.

Background

An Electromagnetic valve (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 automotive and 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 check valves, safety valves, directional control valves, speed regulating valves, etc.

A solenoid valve is disclosed in patent CN202020832894.1, in which a spring is connected between the main spool and the valve housing. When the electromagnetic valve with the structure is used for processing the main valve core, the valve sleeve and the spring, the assembling verticality and precision of the spring can be realized only by ensuring that the main valve core, the valve sleeve and the spring have very high precision, and the production cost is very high.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a solenoid valve, can improve the installation straightness and the precision of hanging down of spring through installation valve block and valve block, has reduced main valve core, valve barrel and the required machining precision of spring, simple structure, safe and reliable.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an electromagnetic valve, includes the valve body, installs the coil holder at the valve body front end and installs the valve barrel in the valve body rear end, the rear end of valve barrel is equipped with the disk seat, be equipped with main valve core in the valve barrel, install the spring that sets up along the axial between main valve core and the valve barrel, install in the valve body with coil holder complex ejector pin subassembly, be equipped with at least one valve block in the main valve core, be equipped with at least one valve block in the valve barrel, the left end and the valve block of spring are connected and compress tightly the part of valve block on main valve core, and all the other positions of valve block are the clearance setting with main valve core, the spring right-hand member is connected with the valve block, compresses tightly the valve block on the valve barrel.

In a preferred embodiment of the present invention, the valve plate has a protrusion in the middle, and the valve plate is pressed against the main valve core by a spring to make the left end face of the protrusion tightly contact the main valve core.

In a preferred embodiment of the present invention, the valve plate has a protrusion protruding leftward, the middle of the main valve element has a groove, and the valve plate is pressed against the main valve element by a spring, so that the left end face of the protrusion of the valve plate is tightly attached to the groove.

In a preferred embodiment of the present invention, the valve plate has a protrusion protruding rightward, the middle portion of the main valve element has a boss, and the valve plate is pressed against the main valve element by the spring, so that the left end surface of the protrusion of the valve plate is tightly attached to the boss of the valve plate.

In a preferred embodiment of the present invention, the valve plate is a horizontal valve plate, and the valve plate is pressed against the main valve core by a spring to make the middle portion of the valve plate tightly contact the main valve core.

In a preferred embodiment of the present invention, the valve plate is pressed against the main valve element by a spring, so that the middle portion of the valve plate is tightly attached to the boss.

In a preferred embodiment of the present invention, the main valve core has a steel ball mounted in the middle, a part of the steel ball protrudes from the main valve core, and the valve block is pressed against the main valve core by a spring to make the middle of the valve block tightly contact with the steel ball.

In a preferred embodiment of the present invention, the valve plate is provided with a through hole, and the through hole is communicated with the valve core opening of the main valve core.

In a preferred embodiment of the present invention, a guide sleeve is further disposed in the valve body, and an O-ring is disposed between the guide sleeve and the valve body.

The beneficial effects of the utility model are that: the utility model discloses the solenoid valve can improve the installation straightness and the precision of hanging down of spring through installation valve block and valve block, has reduced the machining precision of main valve core, valve barrel and spring, simple structure, safe and reliable.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic structural view of a preferred embodiment of the solenoid valve of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of a partial structure of another preferred embodiment of the solenoid valve of the present invention;

FIG. 4 is a schematic view of a partial structure of another preferred embodiment of the solenoid valve of the present invention;

fig. 5 is a schematic partial structural view of another preferred embodiment of the solenoid valve of the present invention;

the parts in the drawings are numbered as follows: 1. the valve comprises a valve body, 2, a coil base, 3, a valve sleeve, 4, a valve seat, 5, a main valve core, 51, a groove, 52, a boss, 53, a steel ball, 6, a spring, 7, a push rod assembly, 8, a valve plate, 81, a bulge, 82, a through hole, 9, the valve plate, 10, a guide sleeve, 11 and an O-shaped ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Embodiment 1, please refer to fig. 1 and 2, a solenoid valve includes a valve body 1, a coil holder 2 installed at a front end of the valve body 1, and a valve housing 3 installed at a rear end of the valve body 1, a valve seat 4 is installed at a rear end of the valve housing 3, a main valve element 5 is installed in the valve housing 3, a spring 6 axially installed between the main valve element 5 and the valve housing 3, a push rod assembly 7 matched with the coil holder 2 is installed on the valve housing 3, a valve plate 8 is installed in the main valve element 5, a valve plate 9 is installed in the valve housing 3, a left end of the spring 6 is connected with the valve plate 8 to press a part of the valve plate 8 against the main valve element 5, the rest of the valve plate 8 is arranged in a gap with the main valve element 5, and a right end is connected with the valve plate 9 to press the valve plate 9 against the valve housing 3. The verticality of the installation of the spring 6 is ensured through the valve plate 9 and the valve plate 8, the installation accuracy of the spring 6 can be ensured through the valve plate 9 and the valve plate 8 in the working process of the electromagnetic valve, the thickness and the number of the valve plate 9 and the valve plate 8 can be selected according to actual needs, and the electromagnetic valve is not limited to the number and the size in the diagram.

Valve plate 8 is a horizontal valve plate, a boss 52 is arranged in the middle of main valve element 8, and valve plate 8 is pressed on main valve element 5 through spring 6 to enable the middle of valve plate 8 to be tightly attached to boss 52.

The valve plate 8 is provided with a through hole 82, the through hole 82 is communicated with the valve core opening of the main valve core 5, and the rest part of the valve plate 8 and the main valve core 5 are arranged in a clearance manner to ensure that the through hole 82 is communicated with the valve core opening of the main valve core.

A guide sleeve 10 is further arranged in the valve body 1, and an O-shaped ring 11 is arranged between the guide sleeve 10 and the valve body 1.

In embodiment 2, referring to fig. 3, the valve plate 8 has a protrusion 81 protruding rightward, the middle of the main valve element 5 has a boss 52, and the valve plate 8 is pressed against the main valve element by a spring so that the left end surface of the protrusion 81 is tightly attached to the boss 52. The left end face of the boss 81 is tightly attached to the boss 52, and the rest of the valve plate 8 and the main valve element 5 are arranged in a clearance manner, so that the through hole 82 is ensured to be communicated with the valve element opening of the main valve element 5. The rest is the same as example 1.

In embodiment 3, referring to fig. 4, the valve plate 8 has a protrusion 81 protruding leftward, the main valve element 5 has a groove 51 at the middle, and the valve plate 8 is pressed against the main valve element 5 by the spring 6 such that the left end surface of the protrusion 81 abuts against the groove 51. The rest part of the valve plate 8 and the main valve element 5 are arranged in a clearance manner, so that the through hole 82 is ensured to be communicated with the valve element opening of the main valve element 5. The rest is the same as example 1.

In embodiment 4, referring to fig. 5, the valve plate 8 is a horizontal valve plate, the middle of the main valve core 5 is provided with a steel ball 53, a part of the steel ball 53 protrudes out of the main valve core 5, and the valve plate 8 is pressed on the main valve core 5 through a spring 6 so that the middle of the valve plate 8 is tightly attached to the steel ball 53. The rest part of the valve plate 8 and the main valve element 5 are arranged in a clearance manner, so that the through hole 82 is ensured to be communicated with the valve element opening of the main valve element 5. The rest is the same as example 1.

Be different from prior art, the utility model discloses the solenoid valve can improve the installation straightness and the precision of hanging down of spring through installation valve block and valve block, has reduced the machining precision of main valve core, valve barrel and spring, simple structure, safe and reliable.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.

Claims

1. The utility model provides an electromagnetic valve, includes the valve body, installs the coil holder at the valve body front end and installs the valve barrel in the valve body rear end, the rear end of valve barrel is equipped with the disk seat, be equipped with main valve core in the valve barrel, install the spring that sets up along the axial between main valve core and the valve barrel, install in the valve body with coil holder complex ejector pin subassembly, a serial communication port, be equipped with at least one valve block in the main valve core, be equipped with at least one valve block in the valve barrel, the left end of spring is connected with the valve block and compresses tightly the part of valve block on main valve core, and all the other positions of valve block are the clearance setting with main valve core, and the right-hand member is connected with the valve block and compresses tightly the valve block on the valve barrel.

2. The solenoid valve of claim 1, wherein the valve plate has a protrusion in the middle, and the valve plate is pressed against the main valve element by a spring such that the left end surface of the protrusion abuts against the main valve element.

3. The solenoid valve according to claim 2, wherein said valve plate has a protrusion protruding leftward, said main valve body has a groove in the middle, and said valve plate is pressed against the main valve body by a spring so that the left end surface of the protrusion abuts against the groove.

4. The electromagnetic valve according to claim 2, wherein the valve plate has a protrusion protruding rightward, the main valve element has a boss at the middle, and the valve plate is pressed against the main valve element by a spring so that the left end surface of the protrusion of the valve plate abuts against the boss of the valve plate.

5. The electromagnetic valve according to claim 1, wherein the valve plate is a horizontal valve plate, and the valve plate is pressed against the main valve element by a spring so that the middle part of the valve plate is tightly attached to the main valve element.

6. The solenoid valve of claim 5, wherein the main spool has a boss at a middle portion thereof, and the valve plate is pressed against the main spool by a spring so that the middle portion of the valve plate abuts against the boss.

7. The electromagnetic valve according to claim 5, wherein the main valve core has a steel ball mounted at the middle part, part of the steel ball protrudes from the main valve core, and the valve plate is pressed against the main valve core by a spring to make the middle part of the valve plate tightly contact with the steel ball.

8. The electromagnetic valve according to any one of claims 1 to 7, wherein the valve plate is provided with a through hole, and the through hole is communicated with the valve core port of the main valve core.

9. The electromagnetic valve according to claim 8, characterized in that a guide sleeve is further arranged in the valve body, and an O-shaped ring is arranged between the guide sleeve and the valve body.