CN218644905U

CN218644905U - Electromagnetic reversing valve of servo control system

Info

Publication number: CN218644905U
Application number: CN202222431582.1U
Authority: CN
Inventors: 王振
Original assignee: Suzhou Hongkola Electromechanical Equipment Co ltd
Current assignee: Suzhou Hongkola Electromechanical Equipment Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-17
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to an electromagnetic reversing valve field discloses a servo control system electromagnetic reversing valve, including the switching-over valve main part, switching-over valve main part roof is provided with the controller, the inside battery that is provided with of switching-over valve main part, the inside oily passageway of accuse that is provided with in switching-over valve main part right part bottom, the oily passageway of accuse is connected at the removal case through sealed piston, removal case left end middle part is provided with the fixed orifices, the inside sliding connection of fixed orifices has the push rod bolt bottom fixed connection promotion end on electric putter, remove case left end fixedly connected with armature, the inside electro-magnet that is provided with in switching-over valve main part left part bottom. The utility model discloses in, the device utilizes the controller can drive electric putter and drive the push rod bolt and run through in the inside removal of fixed orifices, can and then remove the fixed processing of case, prevents that outside electromagnetic radiation from disturbing to cause certain influence to the electromagnetic reversing.

Description

Electromagnetic reversing valve of servo control system

Technical Field

The utility model relates to an electromagnetic reversing valve field especially relates to a servo control system electromagnetic reversing valve.

Background

Reversing valves are often used in hydraulic systems to control the direction of flow of a fluid. The reversing valve generally comprises a valve body, a valve core, an electromagnet, a return spring and the like, wherein the valve core is normally kept in a normal position through an axial spring force acted on the axial end part of the valve core by the return spring, and after the electromagnet is electrified, the electromagnet generates working power acted on the valve core and overcomes the spring force of the return spring to move the valve core so as to switch the reversing valve to an actuating position. After the electromagnet is de-energized, the actuating power of the electromagnet disappears, the return spring drives the valve plug to return to the original position valve position, and an electromagnetic reversing valve is often used in a servo control system to precisely control and reverse the internal hydraulic flow.

However, when the electromagnetic directional valve is used, the electromagnetic structure is generally used for controlling the valve core to perform direction change, and the service frequency of the servo control system is frequent under the strong magnetic environment, so that in some strong magnetic scenes, the traditional electromagnetic directional valve is easily interfered by external electromagnetic radiation when in use, and the hydraulic flow of the traditional electromagnetic directional valve is influenced to a certain extent and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a servo control system electromagnetic directional valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the electromagnetic reversing valve comprises a reversing valve body, wherein a controller is arranged on the top wall of the left part of the reversing valve body, a battery cavity is formed in the left end of the reversing valve body, a storage battery is arranged at the bottom end of the battery cavity, an oil control channel is arranged in the bottom end of the right part of the reversing valve body, a sealing piston is connected to two inner sides of the oil control channel in a sliding manner, the middle part of the sealing piston is fixedly connected to two outer sides of the middle part of a movable valve core respectively, a transmission oil duct is arranged in the upper end of the right part of the reversing valve body, a valve core limiting groove is formed in the middle part of the right wall of the oil control channel, a limiting sliding groove is formed in the top side of the valve core limiting groove, a first oil conveying pipe, a second oil conveying pipe and a second oil outlet pipe are arranged on the bottom wall of the right part of the reversing valve body from left to right, two fixing holes are formed in the middle part of the left end of the movable valve core, a push rod plug is connected to the inside of the fixing holes in a sliding manner, the top outer side of the push rod plug is connected to the fixing groove in a sliding manner, the bottom end of the push rod is fixedly connected to the upper end of the electric push rod and fixedly connected to the upper end of the electric push rod, an electromagnet is connected to the upper end of the electric push rod, the left end of the movable valve core, an electromagnet is connected to the left end of the electromagnet, and the electromagnet is connected with an electromagnet, and an electromagnet is connected to the left end of the electromagnetic cavity, and the electromagnetic electromagnet is arranged in the left end of the electromagnetic cavity.

As a further description of the above technical solution:

the middle part of the top end of the battery cavity is provided with a plurality of heat dissipation holes which are uniformly distributed, and the other ends of the heat dissipation holes are communicated with the top wall of the left end of the reversing valve main body.

As a further description of the above technical solution:

the transmission oil duct is of an inverted U-shaped structure, and two ends of the transmission oil duct are respectively communicated with and arranged on the top sides of two ends of the oil control channel.

As a further description of the above technical solution:

the outer side of the right end of the movable valve core is connected to the inner side of the valve core limiting groove in a sliding mode, the inner side of the limiting sliding groove is connected with a limiting sliding block in a sliding mode, and the bottom end of the limiting sliding block is fixedly connected to the top side of the right end of the movable valve core.

As a further description of the above technical solution:

defeated oil pipe one, go out oil pipe one, defeated oil pipe two and go out two tops of oil pipe and all communicate the setting diapire in accuse oil duct, just defeated oil pipe one is located left portion sealing piston both sides bottom respectively with a play oil pipe one, defeated oil pipe two is located right portion sealing piston both sides bottom respectively with a play oil pipe two.

As a further description of the above technical solution:

the fixed slot sets up inside the left bottom end of switching-over valve main part, electric putter top fixed connection is in switching-over valve main part left part bottom.

As a further description of the above technical solution:

armature outside sliding connection is inboard at the electromagnetism cavity, left wall outer end fixedly connected with evenly distributed's a plurality of compression spring in the electromagnetism cavity, the equal fixed connection of the compression spring other end is on one side of armature is close to the electro-magnet.

As a further description of the above technical solution:

controller electric connection has electric putter and battery, battery electric connection has the electro-magnet the utility model discloses following beneficial effect has:

1. the utility model discloses in, the device utilizes the controller to drive electric putter when using, runs through the push rod bolt from the fixed orifices, and the block is inside the fixed slot, and then removes the fixed processing of case, and then locks the hydraulic pressure switching-over passageway, prevents that outside electromagnetic radiation from disturbing causing certain influence to electromagnetic commutation, conveniently uses in strong magnetic scene.

2. The utility model discloses in, the device still can utilize limit slide to move the case and remove the rotation upset in the inside slip of spacing spout when removing the case, makes things convenient for the accurate locking of push rod bolt to run through the fixed orifices, prevents the dislocation of bolt hole.

Drawings

Fig. 1 is a front perspective view of an electromagnetic directional valve of a servo control system according to the present invention;

fig. 2 is a front sectional view of an electromagnetic directional valve of a servo control system according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a diverter valve body; 2. moving the valve core; 3. an oil control channel; 4. a transmission oil duct; 5. a first oil conveying pipe; 6. an oil outlet pipe I; 7. a second oil delivery pipe; 8. an oil outlet pipe II; 9. an armature; 10. an electromagnet; 11. an electromagnetic cavity; 12. a battery; 13. a battery cavity; 14. heat dissipation holes; 15. an electric push rod; 16. a push rod bolt; 17. a fixing hole; 18. a fixing groove; 19. a sealing piston; 20. a controller; 21. a compression spring; 22. a valve core limiting groove; 23. a limiting slide block; 24. and a limiting sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an electromagnetic reversing valve of a servo control system comprises a reversing valve main body 1, a controller 20 is arranged on the top wall of the left part of the reversing valve main body 1 and is used for electrical elements inside an electrical control device, a battery cavity 13 is arranged inside the left end of the reversing valve main body 1, a storage battery 12 is arranged at the bottom end inside the battery cavity 13 and is used for power supply processing inside the device, an oil control channel 3 is arranged inside the bottom end of the right part of the reversing valve main body 1, two inner sides of the oil control channel 3 are both connected with a sealing piston 19 in a sliding manner, the inner part of the middle part of the sealing piston 19 is respectively and fixedly connected with the outer sides of two middle parts of a movable valve core 2, a transmission oil duct 4 is arranged inside the upper end of the right part of the reversing valve main body 1, a valve core limiting groove 22 is arranged in the middle part of the right wall of the oil control channel 3, a limiting sliding groove 24 is arranged on the top side of the valve core limiting groove 22, a first oil conveying pipe 5, a first oil outlet pipe 6, a second oil conveying pipe 7 and a second oil outlet pipe 8 are respectively arranged on the bottom wall of the right part of the reversing valve main body 1 from left to right, the middle part of the left end of the movable valve core 2 is provided with two fixing holes 17, the inside of the left fixing hole 17 is connected with a push rod bolt 16 in a sliding way, the outer side of the top end of the push rod bolt 16 is connected inside a fixing groove 18 in a sliding way, the bottom end of the push rod bolt 16 is fixedly connected with the pushing end of an electric push rod 15, the electric push rod 15 can be driven by a controller 20 to penetrate through the push rod bolt 16 from the fixing hole 17 and be clamped inside the fixing groove 18 so as to fix the movable valve core 2, and further a hydraulic reversing channel is locked so as to prevent external electromagnetic radiation interference from influencing electromagnetic reversing to a certain extent and be conveniently used in a strong magnetic scene, the left end of the movable valve core 2 is fixedly connected with an armature 9, an electromagnetic cavity 11 is arranged inside the left bottom end of a reversing valve main body 1, and the middle part of the left wall in the electromagnetic cavity 11 is provided with an electromagnet 10, the armature 9 can be magnetically attracted and moved by the electromagnet 10, and the movement process of the movable valve element 2 is performed.

The middle part of the top end of the battery cavity 13 is provided with a plurality of heat dissipation holes 14 which are evenly distributed, the other ends of the heat dissipation holes 14 are all arranged on the top wall of the left end of the reversing valve main body 1 in a penetrating way, so that the heat dissipation treatment in the battery cavity 13 is convenient, the transmission oil duct 4 is arranged in an inverted U-shaped structure, and the two ends of the transmission oil duct 4 are respectively communicated and arranged on the top sides of the two ends of the oil control channel 3, the outer side of the right end of the movable valve core 2 is connected to the inner side of a valve core limiting groove 22 in a sliding way, the inner side of a limiting sliding groove 24 is connected with a limiting slide block 23 in a sliding way, the bottom end of the limiting slide block 23 is fixedly connected to the top side of the right end of the movable valve core 2, when the movable valve core 2 moves, the movable valve core 2 is prevented from moving, rotating and overturning, a push rod bolt 16 can penetrate through a fixing hole 17 in a locking way accurately, the dislocation of the bolt hole is prevented, and the controller 20 can be used for controlling the power-on operation between the electromagnet 10 and the storage battery 12, the armature 9 is magnetically attracted, so that the movable valve core 2 can slide in the valve core limiting groove 22, the top ends of the oil delivery pipe I5, the oil outlet pipe I6, the oil delivery pipe II 7 and the oil outlet pipe II 8 are communicated and arranged on the bottom wall in the oil control channel 3, the oil delivery pipe I5 and the oil outlet pipe I6 are respectively positioned at the bottom ends of two sides of the left sealing piston 19, the oil delivery pipe II 7 and the oil outlet pipe II 8 are respectively positioned at the bottom ends of two sides of the right sealing piston 19, the fixing groove 18 is arranged in the left bottom end of the reversing valve main body 1, the top end of the electric push rod 15 is fixedly connected to the left bottom end of the reversing valve main body 1, the outer side of the armature 9 is slidably connected to the inner side of the electromagnetic cavity 11, the outer end of the left wall in the electromagnetic cavity 11 is fixedly connected with a plurality of compression springs 21 which are uniformly distributed, the other ends of the compression springs 21 are fixedly connected to one side of the armature 9, and because the two ends of the oil control channel 3 are communicated with each other through the transmission oil channel 4, and then carry out dislocation recombination with defeated oil pipe one 5 and the combination of oil outlet pipe one 6, defeated oil pipe two 7 and the combination of oil outlet pipe two 8 that should link to each other and connect, and then accomplish the electromagnetic commutation, controller 20 electric connection has electric putter 15 and battery 12, and battery 12 electric connection has electro-magnet 10, conveniently utilizes controller 20 can control the circular telegram operation between electro-magnet 10 and the battery 12, carries out the magnetic attraction of armature 9, and then control removal case 2 slides.

The working principle is as follows: when the device is used, the controller 20 can control the electromagnet 10 and the storage battery 12 to be in power-on operation, magnetic attraction of the armature 9 is carried out, the movable valve element 2 slides in the valve element limiting groove 22, position sliding adjustment processing of the sealing piston 19 can be carried out at the moment, two ends of the oil control channel 3 are communicated with each other through the transmission oil duct 4, the oil conveying pipe I5 and the oil outlet pipe I6 which are supposed to be connected are combined in a staggered recombination mode, the oil conveying pipe II 7 and the oil outlet pipe II 8 are combined in a staggered recombination mode, electromagnetic reversing is further completed, the controller 20 can drive the electric push rod 15 to drive at the moment, the push rod bolt 16 penetrates through the fixed hole 17, the clamp is clamped inside the fixed groove 18, fixing processing of the movable valve element 2 is carried out, the hydraulic reversing channel is further locked, the electromagnetic reversing is prevented from being affected by external electromagnetic radiation interference, the device is convenient to use in a strong magnetic scene, meanwhile, when the movable valve element 2 moves, the movable valve element 2 can slide inside the limiting slide in the limiting sliding groove 24, the movable valve element 2 is prevented from moving, rotating and turning, the fixed hole 17 is convenient to be accurately locked, and the bolt is prevented from being staggered.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a servo control system solenoid directional valve, includes switching-over valve main part (1), its characterized in that: the top wall of the left part of the reversing valve main body (1) is provided with a controller (20), the inside of the left end of the reversing valve main body (1) is provided with a battery cavity (13), the inner bottom end of the battery cavity (13) is provided with a storage battery (12), the inside of the right bottom end of the reversing valve main body (1) is provided with an oil control channel (3), two inner sides of the oil control channel (3) are respectively connected with a sealing piston (19) in a sliding manner, the inside of the middle part of the sealing piston (19) is respectively and fixedly connected with two outer sides of the middle part of the movable valve core (2), the inside of the right upper end of the reversing valve main body (1) is provided with a transmission oil duct (4), the middle part of the right wall of the oil control channel (3) is provided with a valve core limiting groove (22), the top side of the valve core limiting groove (22) is provided with a limiting sliding chute (24), the right bottom wall of the reversing valve main body (1) is respectively provided with a first oil delivery pipe (5), a first oil delivery pipe (6), a second oil delivery pipe (7) and a second oil delivery pipe (8), the sliding bolt (16), the top end of the push rod (16) is fixedly connected with a push rod (16) at the top end of the push rod (16), the left end of the movable valve core (2) is fixedly connected with an armature (9), an electromagnetic cavity (11) is formed in the bottom end of the left portion of the reversing valve main body (1), and an electromagnet (10) is arranged in the middle of the inner left wall of the electromagnetic cavity (11).

2. A servo control system solenoid directional valve according to claim 1, wherein: the middle of the top end of the battery cavity (13) is provided with a plurality of heat dissipation holes (14) which are uniformly distributed, and the other ends of the heat dissipation holes (14) are communicated with the top wall of the left end of the reversing valve main body (1).

3. A servo control system solenoid directional valve according to claim 1, wherein: the transmission oil duct (4) is of an inverted U-shaped structure, and two ends of the transmission oil duct (4) are respectively communicated with the top sides of two ends of the oil control channel (3).

4. A servo control system solenoid directional valve according to claim 1, wherein: the outer side of the right end of the movable valve core (2) is connected to the inner side of the valve core limiting groove (22) in a sliding mode, the inner side of the limiting sliding groove (24) is connected with a limiting sliding block (23) in a sliding mode, and the bottom end of the limiting sliding block (23) is fixedly connected to the top side of the right end of the movable valve core (2).

5. A servo control system solenoid directional valve according to claim 1, wherein: defeated oil pipe one (5), go out oil pipe one (6), defeated oil pipe two (7) and go out oil pipe two (8) tops all communicate the setting at accuse oil passageway (3) inner bottom wall, just defeated oil pipe one (5) and go out oil pipe one (6) and are located left portion sealing piston (19) both sides bottom respectively, defeated oil pipe two (7) and go out oil pipe two (8) are located right portion sealing piston (19) both sides bottom respectively.

6. A servo control system solenoid directional valve according to claim 1, wherein: the fixed groove (18) is formed in the left bottom end of the reversing valve main body (1), and the top end of the electric push rod (15) is fixedly connected to the left bottom end of the reversing valve main body (1).

7. A servo control system solenoid directional valve according to claim 1, wherein: armature (9) outside sliding connection is inboard in electromagnetism cavity (11), left wall outer end fixedly connected with evenly distributed's a plurality of compression spring (21) in electromagnetism cavity (11), the equal fixed connection of compression spring (21) other end is in armature (9) and is close to electro-magnet (10) one side.

8. A servo control system solenoid directional valve according to claim 1, wherein: the controller (20) is electrically connected with an electric push rod (15) and a storage battery (12), and the storage battery (12) is electrically connected with an electromagnet (10).