CN219911943U - Solenoid valve and engineering equipment - Google Patents

Abstract

The utility model provides an electromagnetic valve which is used on engineering equipment and comprises a coil, a magnetic conduction sleeve and a moving iron, wherein the magnetic conduction sleeve and the moving iron are arranged in the coil; the magnetic conduction cover is close to the one end of moving the iron is equipped with first binding face, move the iron and be close to the one end of magnetic conduction cover is equipped with the second binding face, at least one binding face in first binding face and the second binding face is the arcwall face. The electromagnet of this structure, because at least one faying face is the arcwall face, consequently, when first faying face and second faying face laminating are in the same place, the contact surface is littleer, and after the coil outage, the suction between first faying face and the second faying face is littleer, and first faying face and second faying face are separated more easily, move the iron and reset more easily. Therefore, the device has the advantages of simple and reasonable structure, good stability, longer service life and lower use cost. The utility model also provides engineering equipment.

Description

Solenoid valve and engineering equipment

Technical Field

The utility model relates to the field of engineering equipment, in particular to an electromagnetic valve and engineering equipment.

Background

In recent years, with the continuous development of engineering machinery, electromagnetic valves with various structures are increasingly and widely applied to various engineering equipment.

The electromagnetic valve with the existing structure generally comprises a magnetic conduction sleeve, a movable iron arranged in the magnetic conduction sleeve, a spring which has a reset function is further arranged between the movable iron and the magnetic conduction sleeve, and in the working process, one end of the movable iron is contacted with the end face of the magnetic conduction sleeve and is reset through the reset spring. Because the terminal surface of moving the iron is the horizontal plane, the interior terminal surface of magnetic conduction cover also is the horizontal plane, and during operation, the area of two horizontal planes contact is great relatively, and when slightly surplus electricity (under the general circumstances, still can produce a little surplus voltage after the coil outage), two horizontal planes can be firmly laminated together through electromagnetic force, lead to the solenoid valve to reset inflexibly or unable reset to influence the stability and the normal work of solenoid valve.

In summary, how to provide an electromagnetic valve with simple and reasonable structure, good stability, long service life and low use cost, and engineering equipment comprising the electromagnetic valve, which are technical problems to be solved by those skilled in the art are needed.

Disclosure of Invention

The utility model aims to solve the technical problems that: the electromagnetic valve is simple and reasonable in structure, good in stability, long in service life and low in use cost, and engineering equipment comprising the electromagnetic valve.

The solution of the utility model is realized as follows: the utility model provides an electromagnetic valve which is used on engineering equipment and comprises a coil, a magnetic conduction sleeve and a moving iron, wherein the magnetic conduction sleeve and the moving iron are arranged in the coil; the magnetic conduction cover is close to the one end of moving the iron is equipped with first binding face, move the iron and be close to the one end of magnetic conduction cover is equipped with the second binding face, at least one binding face in first binding face and the second binding face is the arcwall face. The electromagnet of this structure, during operation, the coil is electrified and then produces magnetic force, moves the iron upwards and moves, and first laminating face and second laminating face laminating are in the same place. Because at least one binding face is the arcwall face, consequently, when first binding face and second binding face laminating together, the contact surface is littleer, and after the coil outage, the suction between first binding face and the second binding face is littleer, consequently, first binding face and second binding face separate more easily, moves the iron and resets more easily. Therefore, the device has the advantages of simple and reasonable structure, good stability, longer service life and lower use cost.

The other technical scheme of the utility model is that on the basis of the above, the first bonding surface is a plane, and the second bonding surface is an arc surface protruding towards the direction of the first bonding surface.

The other technical scheme of the utility model is that on the basis of the above, the second joint surface is also provided with an oil groove for discharging oil.

The other technical scheme of the utility model is that on the basis of the above, one end of the moving iron, which is close to the magnetic conduction sleeve, is also provided with a containing cavity, and a spring with a resetting function is arranged in the containing cavity.

The electromagnetic valve further comprises a valve sleeve, wherein the valve sleeve is arranged at one end of the coil, and a valve core capable of moving in the valve sleeve is arranged in the valve sleeve.

The other technical scheme of the utility model is that on the basis of the above, one end of the valve core is detachably and fixedly connected with one end of the moving iron, and when the moving iron moves, the valve core is driven to move.

The other technical scheme of the utility model is that on the basis of the above, the valve sleeve is also provided with a plurality of sealing grooves, and at least one sealing piece is arranged in each sealing groove.

The other technical scheme of the utility model is that on the basis of the above, the valve sleeve is also provided with a plurality of oil ports.

Another technical scheme of the utility model is that on the basis of the above, the sealing element comprises an O-shaped ring, a first sealing element and a second sealing element; the oil port at least comprises a first oil port and a second oil port.

On the other hand, the utility model also provides engineering equipment, which comprises a hydraulic system, wherein the hydraulic system comprises an electromagnetic valve, and the electromagnetic valve is the electromagnetic valve.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic cross-sectional view of a solenoid valve according to the present utility model;

FIG. 2 is a schematic view of a second bonding surface of FIG. 1;

FIG. 3 is a schematic perspective view of the moving iron in FIG. 1;

fig. 4 is a top view of fig. 3.

The reference sign correspondence is:

1 coil 2 spring 3 moving iron

First sealing element of 4O-shaped ring 5 valve core 6

7 second sealing element 8 first oil port 9 second oil port

10 first contact surface 12 second contact surface of oil groove 11

13 third oil port 14 valve sleeve 15 magnetic conduction sleeve

16 accommodating chamber

Detailed Description

The following detailed description of the utility model, taken in conjunction with the accompanying drawings, is given by way of illustration and explanation only, and should not be taken as limiting the scope of the utility model in any way. Furthermore, the features in the embodiments and in the different embodiments in this document can be combined accordingly by a person skilled in the art from the description of this document.

In the following description, please refer to the electromagnetic valve and the components thereof shown in fig. 1 to 4, the electromagnetic valve specifically includes a coil 1, a magnetic sleeve 15 disposed in the coil 1, and a moving iron 3, wherein the moving iron 3 is disposed at one end of the magnetic sleeve 15, i.e. the lower end shown in fig. 1, and the moving iron 3 can move back and forth in the coil 1. The magnetic conduction cover 15 is close to the one end of moving iron 3, and the lower extreme that is shown in fig. 1 is equipped with first binding face 11, and the one end that moves iron 3 and is close to magnetic conduction cover 15, and the upper end that is shown in fig. 1 is equipped with second binding face 12, moves iron 3 and is close to the one end of magnetic conduction cover 15 is equipped with second binding face 12. And at least one of the first bonding surface 11 and the second bonding surface 12 is an arc surface, that is, the first bonding surface 11 or the second bonding surface 12 is an arc surface, or the first bonding surface 11 and the second bonding surface 12 are arc surfaces. When the electromagnet with the structure works, the coil 1 generates magnetic force after being electrified, the moving iron 3 moves upwards, and the first bonding surface 11 and the second bonding surface 12 are bonded together. Because at least one fitting surface is the arcwall face, therefore, when first fitting surface 11 and second fitting surface 12 are laminated together, the contact surface is littleer, and after coil 1 outage, the suction between first fitting surface 11 and the second fitting surface 12 is littleer, consequently, first fitting surface 11 and second fitting surface 12 separate more easily, moves indisputable 3 and resets more easily. Therefore, the device has the advantages of simple and reasonable structure, good stability, longer service life and lower use cost.

In another embodiment of the present utility model, as shown in fig. 1 to 4, the first bonding surface 11 is specifically a plane, and the second bonding surface 12 is an arc surface protruding toward the first bonding surface 11, that is, the second bonding surface 12 protrudes upward. When the first bonding surface 11 and the second bonding surface 12 are bonded, the second bonding surface 12 is bonded with the first bonding surface 11 through the arc surface.

In another embodiment of the present utility model, as shown in fig. 3 and 4, the second contact surface 12 is further provided with an oil groove 10 for discharging oil, and the oil groove 10 is provided on the arc surface.

In another embodiment of the present utility model, as shown in fig. 1 and 3, the moving iron 3 is near one end of the magnetic sleeve 15, i.e. the lower end in the figure, and a receiving cavity 16 is further provided, a spring 2 having a restoring effect is provided in the receiving cavity 16, one end of the spring 2, i.e. the lower end in the figure, abuts against the moving iron 3, and the other end, i.e. the upper end in the figure, abuts against the electromagnetic sleeve.

In another embodiment of the present utility model, as shown in fig. 1, the electromagnetic valve further includes a valve housing 14, wherein the valve housing 14 is disposed at one end of the coil 1, i.e., the lower end as shown in the drawing, and the valve housing 14 is further provided therein with a valve core 5 that can move up and down in the valve housing 14.

In another embodiment of the present utility model, as shown in fig. 1, one end of the valve core 5, i.e. the upper end shown in the figure, is detachably and fixedly connected with one end of the moving iron 3, i.e. the lower end shown in the figure, and when the moving iron 3 moves, the valve core 5 can be driven to move in the valve sleeve 14.

In another embodiment of the present utility model, as shown in fig. 1, a plurality of sealing grooves (not shown) are further provided on the valve sleeve 14, and at least one sealing member for sealing is provided in each of the sealing grooves.

In another embodiment of the present utility model, as shown in fig. 1, the valve housing 14 is further provided with a plurality of oil ports for supplying oil to and from the valve housing, and the oil ports are hydraulic oil ports.

In another embodiment of the present utility model, as shown in fig. 1, more specifically, the sealing member comprises an O-ring 4, a first sealing member 6 and a second sealing member 7,O are formed on the ring 4, and the first sealing member 6 and the second sealing member 7 are respectively disposed on the periphery of the valve housing 14 from top to bottom. The oil port comprises at least a first oil port 8 and a second oil port 9, wherein the first oil port 8 and the second oil port 9 are respectively arranged on the wall of the valve sleeve 14. In addition, the oil port further comprises a third oil port 9, and the third oil port 9 is arranged at the lower end of the valve sleeve 14.

The electromagnetic valve with the structure has the advantages that magnetic force is generated after the coil 1 is electrified, the moving iron 3 is driven to move upwards, the valve core 5 is driven to move upwards when the moving iron 3 moves, and different oil ports realize oil inlet or oil outlet in the moving process of the valve core 5, so that a power source is provided for an actuating mechanism of engineering equipment. Because the second binding face 12 adopts the arcwall face, when first binding face 11 and second binding face 12 laminating together, the contact surface is littleer, and after coil 1 outage, the suction between first binding face 11 and the second binding face 12 is littleer, consequently, first binding face 11 and second binding face 12 separate more easily, moves iron 3 and also resets more easily. Therefore, the device has the advantages of simple and reasonable structure, good stability, longer service life and lower use cost.

On the other hand, the utility model also provides engineering equipment which comprises a hydraulic system, wherein the hydraulic system comprises an electromagnetic valve, and the electromagnetic valve is particularly the electromagnetic valve. The engineering equipment with the structure correspondingly has the advantages of the electromagnetic valve.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. The electromagnetic valve is used for engineering equipment and is characterized by comprising a coil, a magnetic conduction sleeve and a moving iron, wherein the magnetic conduction sleeve and the moving iron are arranged in the coil, the moving iron is arranged at one end of the magnetic conduction sleeve, and the moving iron can move back and forth in the coil;

the magnetic conduction cover is close to the one end of moving the iron is equipped with first binding face, move the iron and be close to the one end of magnetic conduction cover is equipped with the second binding face, at least one binding face in first binding face and the second binding face is the arcwall face.

2. The solenoid valve of claim 1 wherein the first engagement surface is planar and the second engagement surface is arcuate projecting toward the first engagement surface.

3. The electromagnetic valve according to claim 2, wherein the second abutting surface is further provided with an oil groove for discharging oil.

4. A solenoid valve according to claim 3 wherein said moving iron further comprises a receiving chamber adjacent said magnetically permeable sleeve, said receiving chamber having a return spring disposed therein.

5. The solenoid valve of claim 4 further comprising a valve sleeve disposed at one end of said coil, said valve sleeve having a valve core disposed therein that is movable within said valve sleeve.

6. The solenoid valve of claim 5 wherein one end of said spool is removably fixedly connected to one end of said moving iron, said moving iron moving said spool.

7. The solenoid valve of claim 6 wherein said valve housing further includes a plurality of seal grooves, at least one seal being disposed within each of said seal grooves.

8. The solenoid valve of claim 7 wherein said valve housing further comprises a plurality of ports.

9. The solenoid valve of claim 8 wherein the seal comprises an O-ring, a first seal and a second seal; the oil port at least comprises a first oil port and a second oil port.

10. Engineering apparatus comprising a hydraulic system comprising a solenoid valve, characterized in that the solenoid valve is a solenoid valve according to any one of claims 1 to 9.