CN217583356U

CN217583356U - Novel two-position three-way electromagnetic valve

Info

Publication number: CN217583356U
Application number: CN202221193750.1U
Authority: CN
Inventors: 蔡起涛; 崔劲松
Original assignee: Wuhu Yingnuo Hydraulic Technology Co ltd
Current assignee: Wuhu Yingnuo Hydraulic Technology Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-10-14
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a belong to hydraulic system technical field, specifically provide a novel two three way solenoid valve, including valve barrel and case, the case is acceptd in the valve barrel, the other end of case is equipped with elastic component, elastic component supports and connects the flux sleeve, be equipped with the flux sleeve in the flux sleeve, the flux sleeve hole is equipped with moving iron, push rod and shelves iron axially respectively, the valve barrel screw thread is with keeping off the iron pressfitting to the flux sleeve, produces axial thrust after the flux sleeve circular telegram and makes the moving iron slide, the utility model provides a solenoid valve simple structure improves the through-flow capacity of solenoid valve, reduces the pressure loss; the switching mode of the electromagnetic valve is changed, and the influence of hydraulic force on the switching electromagnetic force is reduced; the electromagnetic force is improved by more than 20 percent; the blocking phenomenon of the valve core and the valve sleeve is reduced; the direction of the electromagnetic force is improved, the through-flow capacity is improved, and the reliability is improved.

Description

Novel two-position three-way electromagnetic valve

Technical Field

The utility model belongs to the technical field of hydraulic system, a novel two three-way solenoid valve specifically.

Background

The pilot system of the engineering machinery in the market at present controls the work of pilot oil through two-position three-way electromagnetic valves, usually adopts Haidefus series brazing pull type electromagnet (as shown in figure 1) to control the switching of a pilot oil way so as to realize the flow control of multiple channels, and the electromagnetic valves can control the work of a plurality of executive elements, thereby having the defects that:

the existing electromagnetic valve has the problems of small through-current capacity and large pressure loss, and the application of the electromagnetic valve is restricted by the defects of the electromagnetic valve;

because the engineering machinery has large power fluctuation, a hydraulic system has more pollutants and high working frequency, and because the electromagnetic force of the electromagnetic valve in the market at present is smaller by adopting a brazing electromagnet, the valve is easy to be clamped when foreign matters block the gap, and the reliability of the electromagnetic valve is influenced;

most of the existing electromagnetic valves adopt pull-type electromagnets, the hydraulic power is opposite to the closing direction, the resistance is large, the power domain of the electromagnetic valve is small, and the electromagnetic valve is sensitive to flow and pressure.

SUMMERY OF THE UTILITY MODEL

1. Purpose of the utility model

To the technical problem, the utility model provides a novel two three solenoid valves for solve the technical problem who mentions in the background art.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does: the utility model provides a novel two three-way solenoid valve, includes valve barrel and case, the case accept in the valve barrel, the other end of case is equipped with elastic component, elastic component supports holds and connects the flux sleeve, be equipped with the flux sleeve in the flux sleeve, the flux sleeve hole respectively the axial is equipped with moving iron, push rod and shelves iron, the valve barrel screw thread is with keeping off iron pressfitting to the flux sleeve on, produces axial thrust after the flux sleeve circular telegram and makes the moving iron slide.

The further improvement is that: the magnetic conductive sleeve also comprises a nut arranged at one end of the magnetic conductive pipe.

The further improvement is that: the elastic component comprises a spring and gaskets arranged at two ends of the spring.

The further improvement is that: the movable iron is abutted against the push rod in the power-on state, and the push rod is connected with the valve core.

The further improvement is that: the magnetic conduction pipe is welded by integral copper.

3. Advantageous effects

The technical scheme provided by the utility model, compared with prior art, following beneficial effect has:

the electromagnetic valve provided by the utility model has simple structure, improves the through-flow capacity of the electromagnetic valve, and reduces the pressure loss; the switching mode of the electromagnetic valve is changed, and the influence of hydraulic force on the switching electromagnetic force is reduced; the electromagnetic force is improved by more than 20%; the blocking phenomenon of the valve core and the valve sleeve is reduced; the direction of electromagnetic force is improved, the through-current capacity is improved, and the reliability is improved.

Drawings

FIG. 1 is a front view of a Hadford structure of a common market structure of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a sectional view of the magnetic sleeve structure of the present invention;

fig. 4 is a schematic view of the whole structure of the magnetic conduction tube of the present invention in the power-on state;

fig. 5 is a schematic view of the overall structure of the magnetic conduction tube of the present invention in the power-off state.

Reference numerals

1-a magnetic conductive sleeve; 101-a magnetic conduction pipe; 102-moving iron; 103-a push rod; 104-grade iron; 105-a nut; 2-a first gasket; 3-a spring; 4-a second gasket; 5-a valve core; 6-valve sleeve.

Detailed Description

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example 1

Referring to fig. 1-5, this embodiment provides a novel two-position three-way solenoid valve, including valve housing 6 and valve core 5, valve core 5 accept in valve housing 6, the other end of valve core 5 is equipped with elastic component, elastic component supports to hold and connects magnetic conductive sleeve 1, be equipped with magnetic conductive pipe 101 in the magnetic conductive sleeve 1, magnetic conductive pipe 101 hole is equipped with moving iron 102, push rod 103 and shelves iron 104 respectively to the axial, 6 internal threads of valve housing will keep off iron 104 pressfitting to magnetic conductive pipe 101, produce axial thrust after magnetic conductive pipe 101 circular telegram and make moving iron 102 slide.

As shown in fig. 4, when the coil is energized, a magnetic field is generated around the current-carrying conductor, the magnetic field strength is sufficient to magnetize the material and sequentially push the moving iron 102, the push rod 103, and the valve element 5 to generate linear motion, the solenoid valve performs switching operation, the moving distance of the valve element 5 is about 1.6mm during the pushing process, and after the coil is de-energized, the push rod 103 drives the valve element 5 to return to the initial position under the rebound action of the spring 3, as shown in fig. 5.

The coil component for energization is sleeved outside the magnetic conduction pipe 101, the coil shell is installed outside the coil component, the coil shell is fixed on the magnetic conduction pipe 101, the coil component energizes the magnetic conduction pipe 101, the iron blocking 104 is pressed on the magnetic conduction pipe 101 through the internal thread of the valve sleeve 6 to limit the position of the iron blocking 104, and the magnetic conduction pipe 101 generates axial thrust to enable the moving iron 102 to slide after energization, wherein a cavity of 1-2mm is formed in the middle of the moving iron, so that the coil can slide after energization. 0

The flux sleeve 1 further comprises a nut 105 arranged at one end of the flux tube 101, and the nut 105 is used for fixing the flux tube 101, the coil assembly and the like.

Wherein, elastic component includes spring 3 and sets up the gasket at 3 both ends of spring, gasket one 2 and gasket two 4, and wherein, gasket one 2 is used for elastic component and 1 internal connection of magnetic conduction pipe, and gasket two 4 are used for elastic component and 6 inner chambers of valve barrel to be connected, and the gasket removes the in-process at the moving iron, and spring 3 can produce certain deformation, and the gasket plays better guard action.

The moving iron 102 is connected to the push rod 103 in the power-on state, and the push rod 103 is connected to the valve core 5 in the power-on state, so that the valve core 5 is driven to move relatively in the valve housing 6 in the sliding process of the moving iron 102.

The magnetic conduction pipe 101 is welded by integral copper, the direction of the hydraulic force is greatly optimized by the welding mode and the pushing structure of the moving iron 102 and the push rod 103, the electromagnetic force is increased, and the power domain of the electromagnetic valve is improved.

It should be noted that the structure of the present invention, which is not described in detail, adopts the prior art.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a novel two three way solenoid valves, includes valve barrel and case, the case accept in the valve barrel, its characterized in that: the other end of the valve core is provided with an elastic component which is abutted and connected with a magnetic conduction sleeve, a magnetic conduction pipe is arranged in the magnetic conduction sleeve, a moving iron, a push rod and a blocking iron are axially arranged in an inner hole of the magnetic conduction pipe respectively, the blocking iron is pressed on the magnetic conduction pipe through threads of the valve sleeve, and the axial thrust is generated after the magnetic conduction pipe is electrified to enable the moving iron to slide.

2. The novel two-position three-way electromagnetic valve according to claim 1, characterized in that: the magnetic conduction sleeve further comprises a nut arranged at one end of the magnetic conduction pipe.

3. The novel two-position three-way electromagnetic valve according to claim 1, characterized in that: the elastic component comprises a spring and gaskets arranged at two ends of the spring.

4. The novel two-position three-way electromagnetic valve according to claim 1, characterized in that: the movable iron is abutted against the push rod in the power-on state, and the push rod is connected with the valve core.

5. The novel two-position three-way electromagnetic valve according to claim 1, characterized in that: the magnetic conduction pipe is welded by integral copper.