CN116123313A - Two-dimensional electromagnetic valve - Google Patents

Abstract

The invention relates to the technical field of electromagnetic valves, in particular to a two-dimensional electromagnetic valve, which comprises a valve sleeve, wherein one end of the valve sleeve is fixedly connected with an end cover, the other end of the valve sleeve is fixedly connected with a connecting seat, and the outside of the connecting seat is fixedly connected with a box cover; the inside of lid is provided with coil assembly, armature, two-dimensional slide bar respectively. The beneficial effects of the invention are as follows: the two-dimensional solenoid valve is normally used by pushing the valve core to move through the two-dimensional slide rod, so that the communication of the solenoid valve is switched, and the two-dimensional solenoid valve can be normally used by means of the coil assembly, the armature, the two-dimensional slide rod, the valve core and other structures, and is simple in structure and convenient to produce and process.

Description

Two-dimensional electromagnetic valve

Technical Field

The invention relates to the technical field of electromagnetic valves, in particular to a two-dimensional electromagnetic valve.

Background

The electromagnetic valve is a direction control valve with more than two flow forms and more than two oil ports; the valve is a valve for realizing communication, cutting-off and reversing of hydraulic oil flow and pressure unloading and sequential actions, and the existing two-dimensional electromagnetic valve realizes axial movement and rotation by utilizing a two-dimensional servo screw mechanism, but the two-dimensional servo screw mechanism has a complex structure and high production and processing difficulty.

Therefore, there is a need for a two-dimensional solenoid valve with a simple structure to overcome the above problems.

Disclosure of Invention

In order to solve the problems, the invention provides a two-dimensional electromagnetic valve, which achieves the aim of solving the problems in the background art.

The invention adopts the following technical scheme for realizing the purposes: the two-dimensional electromagnetic valve comprises a valve sleeve, wherein one end of the valve sleeve is fixedly connected with an end cover, the other end of the valve sleeve is fixedly connected with a connecting seat, and the outer part of the connecting seat is fixedly connected with a box cover; a coil assembly, an armature and a two-dimensional sliding rod are respectively arranged in the box cover; the coil component is fixedly connected to the inside of the box cover and is used for driving the armature to rotate; the two-dimensional sliding rod is arranged in the armature, and comprises a long rod and a short rod, wherein the long rod is positioned in the armature and is arranged in the connecting seat in a sliding manner, and the short rod is fixedly connected to the long rod; the inside of the connecting seat is provided with a chute, and the short rod is arranged in the chute in a sliding way; a valve core is slidably arranged in the valve sleeve, a return spring for resetting the valve core is arranged between the valve core and the end cover, and the valve core is abutted to one end of the two-dimensional sliding rod; the valve core is arranged in the flow channel in a sliding way; and the valve sleeve is fixedly connected with an oil inlet end, an oil outlet end I and an oil outlet end II which are communicated with the flow channel respectively.

As a further improvement of the above technical scheme:

the inner part of the flow channel is fixedly connected with a first bulge, a second bulge, a third bulge and a fourth bulge which have the same inner diameter, and the outer part of the valve core is fixedly connected with a fifth bulge, a sixth bulge and a seventh bulge which have the same outer diameter;

the inner diameter of the first protrusion is the same as the outer diameter of the fifth protrusion.

The valve core is of a hollow structure, a communication hole is formed in one end of the valve core, and an opening used for communicating the interior of the valve core with the flow channel is formed in one end of the valve core.

The outside of two-dimensional slide bar has seted up the spout, the inside fixedly connected with screw of armature, the screw slides and sets up the inside at the spout.

The number of the inclined slots is two, and the two inclined slots are symmetrically arranged along the axial circumference of the connecting seat.

One end of the long rod, which is abutted against the valve core, is hemispherical.

And an LVDT displacement sensor is arranged in the box cover.

The beneficial effects of the invention are as follows:

when the coil assembly is not electrified, the valve core is positioned at the right limit position under the elastic action of the reset spring, and at the moment, the oil inlet end is communicated with the oil outlet end through the flow channel;

after the coil assembly is electrified, the armature is driven to rotate, so that the two-dimensional sliding rod is driven to rotate, after the two-dimensional sliding rod rotates, the two-dimensional sliding rod moves under the guiding action of the chute, so that the two-dimensional sliding rod pushes the valve core to move, the valve core overcomes the elasticity of the reset spring, the valve core is positioned at the left limit position, and at the moment, the oil inlet end is communicated with the oil outlet end through the runner;

the two-dimensional solenoid valve is normally used by pushing the valve core to move through the two-dimensional slide rod, so that the communication of the solenoid valve is switched, and the two-dimensional solenoid valve can be normally used by means of the coil assembly, the armature, the two-dimensional slide rod, the valve core and other structures, and is simple in structure and convenient to produce and process.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of a first view of the present invention;

FIG. 3 is a schematic cross-sectional view of a second view of the present invention;

FIG. 4 is a schematic view of the structure of the valve element of the present invention;

FIG. 5 is a schematic view of the structure of the connecting seat of the present invention;

FIG. 6 is a schematic cross-sectional view of the connection base of the present invention;

FIG. 7 is a schematic view of the two-dimensional slide bar of the present invention.

In the figure: 1. a valve sleeve; 2. an end cap; 3. a connecting seat; 4. a box cover; 5. a coil assembly; 6. an armature; 7. a two-dimensional slide bar; 71. a long rod; 72. a short bar; 8. a chute; 9. a valve core; 10. a return spring; 11. a flow passage; 12. an oil inlet end; 13. an oil outlet end I; 14. an oil outlet end II; 15. a first protrusion; 16. a second protrusion; 17. a third protrusion; 18. a fourth protrusion; 19. a fifth protrusion; 20. a sixth protrusion; 21. a seventh protrusion; 22. a communication hole; 23. a chute; 24. a screw; 25. LVDT displacement sensor; 251. a detection coil; 252. and (3) an iron core.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.

Referring to fig. 1 to 7, the invention discloses a two-dimensional electromagnetic valve, which comprises a valve sleeve 1, wherein one end of the valve sleeve 1 is fixedly connected with an end cover 2, the other end of the valve sleeve 1 is fixedly connected with a connecting seat 3, and the outside of the connecting seat 3 is fixedly connected with a box cover 4;

the coil component 5, the armature 6 and the two-dimensional slide bar 7 are respectively arranged in the box cover 4; after the coil assembly 5 is electrified, the armature 6 is driven to rotate, so that the two-dimensional slide rod 7 is driven to rotate;

the coil component 5 is fixedly connected inside the box cover 4, and the coil component 5 is used for driving the armature 6 to rotate;

the two-dimensional sliding rod 7 is arranged inside the armature 6, and the two-dimensional sliding rod 7 comprises a long rod 71 which is positioned inside the armature 6 and is arranged inside the connecting seat 3 in a sliding manner, and a short rod 72 which is fixedly connected to the long rod 71; the inside of the connecting seat 3 is provided with a chute 8, and the short rod 72 is arranged in the chute 8 in a sliding way; when the two-dimensional slide bar 7 rotates, the two-dimensional slide bar 7 moves under the guiding action of the chute 8;

a valve core 9 is arranged in the valve sleeve 1 in a sliding manner, a return spring 10 for resetting the valve core 9 is arranged between the valve core 9 and the end cover 2, and the valve core 9 is abutted against one end of the two-dimensional sliding rod 7;

the valve sleeve 1 is internally provided with a flow channel 11, and the valve core 9 is arranged in the flow channel 11 in a sliding way;

an oil inlet end 12, an oil outlet end 13 and an oil outlet end 14 which are communicated with the flow channel 11 are fixedly connected to the valve sleeve 1 respectively;

when the coil assembly 5 is not electrified, the valve core 9 is positioned at the right limit position under the elastic action of the reset spring 10, and at the moment, the oil inlet end 12 is communicated with the oil outlet end 13 through the flow channel 11;

after the coil assembly 5 is electrified, the armature 6 is driven to rotate, the two-dimensional slide bar 7 is driven to rotate, when the two-dimensional slide bar 7 rotates, the two-dimensional slide bar 7 moves under the guiding action of the chute 8, so that the two-dimensional slide bar 7 pushes the valve core 9 to move, the valve core 9 overcomes the elastic force of the reset spring 10, the valve core 9 is positioned at the left limit position, and at the moment, the oil inlet end 12 is communicated with the oil outlet end II 14 through the runner 11;

the two-dimensional electromagnetic valve is normally used by pushing the valve core 9 to move through the two-dimensional slide rod 7, so that the communication of the electromagnetic valve is switched, and the two-dimensional electromagnetic valve can be normally used by means of the coil assembly 5, the armature 6, the two-dimensional slide rod 7, the valve core 9 and other structures, and is simple in structure and convenient to produce and process.

As a further illustration of the present application: the inside of the flow channel 11 is fixedly connected with a first bulge 15, a second bulge 16, a third bulge 17 and a fourth bulge 18 with the same inner diameter, and the outside of the valve core 9 is fixedly connected with a fifth bulge 19, a sixth bulge 20 and a seventh bulge 21 with the same outer diameter;

the inner diameter of the first protrusion 15 is the same as the outer diameter of the fifth protrusion 19; so that the bulge on the valve core 9 can be matched and sealed with the bulge in the flow channel 11;

the oil inlet end 12 is communicated between the second bulge 16 and the third bulge 17, the oil outlet end 13 is communicated between the first bulge 15 and the second bulge 16, and the oil outlet end 14 is communicated between the third bulge 17 and the fourth bulge 18;

when the coil assembly 5 is not electrified, the valve core 9 is positioned at the right side limit position, at the moment, the fifth bulge 19 is positioned in the first bulge 15 to seal the first bulge 15, the sixth bulge 20 is positioned in the third bulge 17 to seal the third bulge 17, namely, the first bulge 15 to the third bulge 17 are in a communicating state, namely, the oil inlet end 12 is communicated with the oil outlet end I13;

when the coil assembly 5 is electrified, the valve core 9 is positioned at the left side limit position, at the moment, the sixth protrusion 20 is positioned in the second protrusion 16 to seal the second protrusion 16, the seventh protrusion 21 is positioned in the fourth protrusion 18 to seal the fourth protrusion 18, namely, the second protrusion 16 to the fourth protrusion 18 are in a communication state, namely, the oil inlet end 12 is communicated with the oil outlet end two 14;

when the coil assembly 5 is not electrified, the valve core 9 is positioned at the right side limit position, and at the moment, the seventh bulge 21 and the fourth bulge 18 are staggered, so that part of pressure oil enters the right end of the runner 11 and enters the chute 8 on the connecting seat 3, the positions of the chute 8 and the short rod 72 are lubricated, and then the short rod 72 slides in the chute 8 more smoothly, namely, the chute 8 and the short rod 72 are lubricated through the staggered arrangement between the seventh bulge 21 and the fourth bulge 18, and a lubricating structure is not required to be arranged for the chute 8 and the short rod 72 independently; the joint of the long rod 71 and the connecting seat 3 is provided with a sealing ring for sealing, so that the influence of pressure oil on the coil assembly 5, the armature 6 and the like in the box cover 4 is prevented on the premise that the normal movement of the long rod 71 is not influenced;

when the coil assembly 5 is electrified, the valve core 9 is located at the left side limit position, and at the moment, the first bulge 15 and the fifth bulge 19 are staggered, so that part of pressure oil enters the left end of the flow channel 11, namely the return spring 10 is located in the pressure oil, namely the return spring 10 is subjected to oil immersion rust prevention, the service life of the return spring 10 is prolonged, namely the service life of the electromagnetic valve is prolonged to a certain extent.

As a further illustration of the present application: the valve core 9 is of a hollow structure, one end of the valve core 9 is provided with a communication hole 22, and one end of the valve core 9 is provided with an opening for communicating the interior of the valve core 9 with the flow channel 11;

when the valve core 9 moves in the flow channel 11, the valve core 9 with the hollow structure and the communication hole 22 and the opening is arranged to balance the pressure at the two ends of the flow channel 11, so that the valve core 9 moves in the flow channel 11 more stably, and adverse phenomena such as vibration and the like generated when the valve core 9 moves due to unbalanced pressure are avoided.

As a further illustration of the present application: a sliding groove 23 is formed in the outer portion of the two-dimensional sliding rod 7, a screw 24 is fixedly connected to the inner portion of the armature 6, and the screw 24 is arranged in the sliding groove 23 in a sliding mode; the chute 23 is a straight chute;

after the coil assembly 5 is electrified, the armature 6 is driven to rotate, and as the screw 24 can only slide in the chute 23, the armature 6 can normally drive the two-dimensional slide rod 7 to rotate, and the two-dimensional slide rod 7 rotates and slides under the guiding action of the chute 8 when rotating, namely, the armature 6 can normally drive the two-dimensional slide rod 7 to rotate by arranging the cooperation of the screw 24 and the chute 23 without influencing the movement of the two-dimensional slide rod 7;

when the coil assembly 5 is not electrified, the valve core 9 is positioned at the right limit position under the action of the elastic force of the return spring 10, the screw 24 is abutted against the left side of the chute 23, and when the coil assembly 5 is electrified, the valve core 9 is positioned at the left limit position, and the screw 24 is abutted against the right side of the chute 23; namely, the travel range of the valve core 9 is directly determined by the travel range of the screw 24 in the chute 23, namely, the limit of the left limit position and the right limit position of the valve core 9 is realized through the cooperation of the screw 24 and the chute 23;

namely, through the cooperation of the screw 24 and the chute 23, the requirements that the armature 6 normally drives the two-dimensional slide bar 7 to rotate and the movement of the two-dimensional slide bar 7 is not influenced are met, and the function that the valve core 9 is not required to be independently provided with a limiting structure is realized.

As a further illustration of the present application: the number of the inclined grooves 8 is two, and the two inclined grooves 8 are symmetrically arranged along the axial circumference of the connecting seat 3;

when the coil assembly 5 is electrified, the armature 6 drives the two-dimensional sliding rod 7 to rotate, when the two-dimensional sliding rod 7 rotates, the long rod 71 rotates along the axial direction, the short rod 72 rotates along the axial direction of the long rod 71, and due to the structure of the chute 8, when the short rod 72 rotates, the short rod 72 slides in the chute 8, so that the long rod 71 is driven to move leftwards; when the coil assembly 5 is powered off, the valve core 9 moves rightward under the action of the elastic force of the return spring 10, so that the long rod 71 is extruded, the long rod 71 moves rightward, and due to the cooperation of the short rod 72 and the chute 8, the long rod 71 moves rightward and rotates, so that the armature 6 rotates, namely, the valve core 9, the two-dimensional sliding rod 7 and the armature 6 are reset through the elastic force of the return spring 10.

As a further illustration of the present application: one end of the long rod 71, which is abutted against the valve core 9, is hemispherical, and when the long rod 71 pushes the valve core 9 to move, the long rod 71 is in an operating state of rotating while moving, and friction between the long rod 71 at the hemispherical end and the valve core 9 can be reduced, so that the movement and rotation of the long rod 71 are smoother.

As a further illustration of the present application: the LVDT displacement sensor 25 is arranged in the box cover 4, the LVDT displacement sensor 25 comprises a detection coil 251 and an iron core 252, the detection coil 251 is arranged in the box cover 4, the iron core 252 is positioned in the detection coil 251, the iron core 252 is fixedly connected to the armature 6, when the armature 6 rotates, the iron core 252 is driven to move, the positions of the iron cores 252 are different, the mutual inductance is also different, the induced electromotive force is also different (the LVDT displacement sensor 25 is a common technology in the art, and therefore the working principle between the iron core 252 and the detection coil 251 is not repeated), so that the displacement of the iron core 252 is changed into voltage signal output, and the movement of the armature 6 is detected.

It should be noted that, in the description of the present invention, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims (7)

1. The two-dimensional electromagnetic valve is characterized by comprising a valve sleeve (1), wherein one end of the valve sleeve (1) is fixedly connected with an end cover (2), the other end of the valve sleeve (1) is fixedly connected with a connecting seat (3), and the outside of the connecting seat (3) is fixedly connected with a box cover (4);

a coil assembly (5), an armature (6) and a two-dimensional sliding rod (7) are respectively arranged in the box cover (4);

the coil component (5) is fixedly connected inside the box cover (4), and the coil component (5) is used for driving the armature (6) to rotate;

the two-dimensional sliding rod (7) is arranged in the armature (6), and the two-dimensional sliding rod (7) comprises a long rod (71) which is positioned in the armature (6) and is arranged in the connecting seat (3) in a sliding manner and a short rod (72) which is fixedly connected to the long rod (71); the inside of the connecting seat (3) is provided with a chute (8), and the short rod (72) is arranged in the chute (8) in a sliding way;

a valve core (9) is slidably arranged in the valve sleeve (1), a reset spring (10) for resetting the valve core (9) is arranged between the valve core (9) and the end cover (2), and the valve core (9) is abutted to one end of the two-dimensional sliding rod (7);

the valve sleeve (1) is internally provided with a flow channel (11), and the valve core (9) is slidably arranged in the flow channel (11);

and the valve sleeve (1) is fixedly connected with an oil inlet end (12), an oil outlet end I (13) and an oil outlet end II (14) which are communicated with the flow channel (11) respectively.

2. The two-dimensional electromagnetic valve according to claim 1, wherein the inside of the flow channel (11) is fixedly connected with a first bulge (15), a second bulge (16), a third bulge (17) and a fourth bulge (18) with the same inner diameter, and the outside of the valve core (9) is fixedly connected with a fifth bulge (19), a sixth bulge (20) and a seventh bulge (21) with the same outer diameter;

the inner diameter of the first bulge (15) is the same as the outer diameter of the fifth bulge (19).

3. The two-dimensional electromagnetic valve according to claim 1, characterized in that the valve core (9) is of a hollow structure, a communication hole (22) is provided at one end of the valve core (9), and an opening for communicating the interior of the valve core (9) with the flow passage (11) is provided at one end of the valve core (9).

4. The two-dimensional electromagnetic valve according to claim 1, characterized in that a chute (23) is formed in the outer portion of the two-dimensional sliding rod (7), a screw (24) is fixedly connected to the inner portion of the armature (6), and the screw (24) is slidably arranged in the chute (23).

5. A two-dimensional solenoid valve according to claim 1, characterised in that the number of said inclined slots (8) is two, with two said inclined slots (8) being symmetrically arranged along the axial circumference of the connecting seat (3).

6. A two-dimensional electromagnetic valve according to claim 1, characterized in that the end of the long rod (71) abutting against the spool (9) is hemispherical.

7. A two-dimensional electromagnetic valve according to claim 1, characterized in that the inside of the cover (4) is provided with an LVDT displacement sensor (25).

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