CN218582402U

CN218582402U - Position-keeping electromagnetic valve

Info

Publication number: CN218582402U
Application number: CN202222953039.8U
Authority: CN
Inventors: 祝磊; 李荣虎
Original assignee: Suzhou Weituo Technology Co ltd
Current assignee: Suzhou Weituo Technology Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-07
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a protect position solenoid valve, including the solenoid valve shell, first opening has been seted up to one side of the inside lower extreme of solenoid valve shell, the second opening has been seted up to the opposite side of the inside lower extreme of solenoid valve shell, the installation slot part has been seted up to the inside top of solenoid valve shell, the fixed quiet iron core that is provided with in the inside upper end of installation slot part, the iron core is moved in the setting of the inside lower extreme slip of installation slot part, the one end that moves the iron core extends to second open-ended inside, the inside of installation slot part is provided with solenoid, and solenoid encircles and move iron core and quiet iron core setting, still including protecting the position chamber, it sets up the below of installation slot part. The position-keeping electromagnetic valve can realize the position-keeping effect without electrifying the electromagnetic coil for a long time, not only can save a large amount of electric energy, but also can effectively avoid the phenomenon that the electromagnetic coil is continuously electrified to cause heating.

Description

Position-keeping electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field specifically is a protect position solenoid valve.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system, can be matched with different circuits to realize expected control, ensures the precision and flexibility of control, has various electromagnetic valves, plays a role in different positions of the control system, and is most commonly a one-way valve, a safety valve, a direction control valve, a speed regulating valve and the like.

The prior Chinese patent with the application number of CN212004499U discloses an explosion-proof solenoid valve, which comprises a solenoid valve adapter; the oil cavity is fixed at one end of the electromagnetic valve adapter and is sleeved with the electromagnetic valve adapter; the explosion-proof box is fixed at the other end of the electromagnetic valve adapter; the electromagnetic valve is arranged in the explosion-proof box and the oil cavity and fixedly connected with the electromagnetic valve adapter; a sealing mechanism is arranged between the electromagnetic valve and the oil cavity, a liquid inlet connector is arranged at one end of the oil cavity corresponding to a liquid inlet of the electromagnetic valve, and a liquid outlet connector is arranged on the side wall of the oil cavity corresponding to a liquid outlet of the electromagnetic valve.

Although above-mentioned scheme accessible electronic oil pump oil when starting, this explosion-proof solenoid valve simple structure, safe, reliable, when the solenoid valve was opened, need to switch on in order to realize protecting the position effect to the solenoid valve for a long time, extravagant electric energy, simultaneously owing to continuously switching on, can arouse the coil to generate heat, influence whole security performance, consequently unsatisfied current demand, we have proposed a guarantor's position solenoid valve to this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protect position solenoid valve to the solenoid valve that proposes in solving above-mentioned background art need last the circular telegram and protect the problem that the position wasted the electric energy.

In order to achieve the above purpose, the utility model provides a following technical scheme: a position-keeping electromagnetic valve comprises an electromagnetic valve shell, wherein a first opening is formed in one side of the lower end of the interior of the electromagnetic valve shell, a second opening is formed in the other side of the lower end of the interior of the electromagnetic valve shell, an installation groove is formed in the upper portion of the interior of the electromagnetic valve shell, a static iron core is fixedly arranged at the upper end of the interior of the installation groove, a movable iron core is arranged at the lower end of the interior of the installation groove in a sliding mode, one end of the movable iron core extends to the interior of the second opening, an electromagnetic coil is arranged in the interior of the installation groove, and the electromagnetic coil surrounds the movable iron core and the static iron core;

the movable iron core is arranged below the mounting groove part, four lifting plates which are distributed in an annular and equidistant mode are welded on the outer wall of one end, located at the inner part of the position-keeping cavity, of the movable iron core, and permanent magnets are fixed to the upper ends of the lifting plates and the upper end of the inner part of the position-keeping cavity in an adhesion mode.

Preferably, a transmission cavity is formed in the upper end of the interior of the movable iron core, and four sliding rods which are distributed in an annular and equidistant mode are fixedly arranged in the transmission cavity.

Preferably, a sliding plate is arranged between the sliding rods, the sliding rods penetrate through the sliding plate and are in sliding fit with the sliding plate.

Preferably, the outside of slide bar all is equipped with reset spring, and reset spring's one end all is connected with the slide.

Preferably, a pressing rod is fixedly adhered to the middle position of the upper end of the sliding plate, one end of the pressing rod penetrates through and extends to the outside of the transmission cavity, and the pressing rod is in sliding fit with the transmission cavity.

Preferably, the inside of keeping a position chamber is fixed and is provided with four guide bars that are annular equidistance and distribute, the guide bar all runs through the lifting board, and the guide bar all with lifting board sliding fit.

Preferably, a groove is formed in the upper portion of one end inside the second opening, an annular waterproof cushion is fixed to the lower end of the outer wall of the movable iron core in an adhesion mode, and the annular waterproof cushion is matched with the groove.

Preferably, a valve core is fixedly arranged at the lower end of the movable iron core.

Preferably, the electromagnetic coil is provided with a first terminal and a second terminal for connection to a power source.

Preferably, a communication port is formed between the first opening and the second opening, and the diameter of the communication port is matched with that of the valve core.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a guarantee chamber has been seted up in the below of installation slot part, can make the moving iron core shift up after solenoid circular telegram, can drive the lifting board in step and shift up to make inter attraction between the permanent magnet, when not circular telegram, because attraction between the permanent magnet can carry on spacingly to moving the iron core, thereby need not carry out the long-time circular telegram to solenoid and can realize guaranteeing the position effect, not only can save a large amount of electric energy, can also effectively avoid solenoid to last the circular telegram and lead to the phenomenon of generating heat.

2. The utility model discloses a transmission chamber has been seted up in the inside that moves the iron core, because the elasticity recovery effect of transmission intracavity reset spring can drive the depression bar and to moving the iron core extrusion, make the iron core produce decurrent power, can be to moving the power that the iron core produced to move down when the second time circular telegram, the power that produces with reset spring combines together and can overcome the suction between the permanent magnet to can be convenient make the iron core move down, make the case plug up closing of first opening and second opening realization solenoid valve, and then made things convenient for the use.

3. The utility model discloses a lower extreme adhesion moving the iron core outer wall is fixed with annular waterproof cushion, and when the solenoid valve was opened, annular waterproof cushion can block into in the recess to can increase holistic leakproofness, prevent the leakage when using.

Drawings

Fig. 1 is a front view of the internal structure of the present invention;

fig. 2 is a top view of the internal structure of the present invention;

FIG. 3 is a top view of the inner structure of the position-keeping chamber of the present invention;

fig. 4 is a partially enlarged view of the area a in fig. 1 according to the present invention;

fig. 5 is a partially enlarged view of the area B in fig. 1 according to the present invention.

In the figure: 1. a solenoid valve housing; 2. a first opening; 3. a second opening; 4. a valve core; 5. a movable iron core; 6. a stationary iron core; 7. an electromagnetic spacing ring; 8. mounting a groove part; 9. a position-keeping cavity; 10. lifting the plate; 11. a guide bar; 12. a permanent magnet; 13. a transmission cavity; 14. a pressure lever; 15. a slide bar; 16. a slide plate; 17. a return spring; 18. a groove; 19. annular waterproof cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-5, the present invention provides a technical solution: a position-keeping electromagnetic valve comprises an electromagnetic valve shell 1, wherein a first opening 2 is formed in one side of the lower end of the interior of the electromagnetic valve shell 1, a second opening 3 is formed in the other side of the lower end of the interior of the electromagnetic valve shell 1, an installation groove part 8 is formed in the upper portion of the interior of the electromagnetic valve shell 1, a static iron core 6 is fixedly arranged at the upper end of the interior of the installation groove part 8, a movable iron core 5 is arranged at the lower end of the interior of the installation groove part 8 in a sliding mode, one end of the movable iron core 5 extends to the interior of the second opening 3, an electromagnetic coil 7 is arranged inside the installation groove part 8, and the electromagnetic coil 7 is arranged around the movable iron core 5 and the static iron core 6;

still including protecting position chamber 9, it sets up in the below of installation slot part 8, moves the outer wall welding that iron core 5 is located the inside one end of protecting position chamber 9 and has four lifting plates 10 that are annular equidistance and distribute, and the upper end of lifting plate 10 is fixed with permanent magnet 12 with the equal adhesion of the inside upper end in protecting position chamber 9. The position-keeping electromagnetic valve can drive the movable iron core 5 to move the valve core 4 upwards by switching on a power supply for the electromagnetic coil 7, so that the whole electromagnetic valve is switched on, and then the permanent magnet 12 at the upper end of the lifting plate 10 and the permanent magnet 12 at the upper end inside the position-keeping cavity 9 attract each other, so that the movable iron core 5 can be limited, and the position-keeping effect can be realized without switching on the electromagnetic coil 7 for a long time, so that a large amount of electric energy can be saved, and the phenomenon of heating caused by continuous power-on of the electromagnetic coil 7 can be effectively avoided;

referring to fig. 4, a transmission cavity 13 is formed at the upper end inside the movable iron core 5, four slide bars 15 are fixedly arranged inside the transmission cavity 13 and are distributed annularly and equidistantly, and the slide bars 15 can prevent the slide plate 16 from deviating in the sliding direction;

referring to fig. 4, sliding plates 16 are arranged between the sliding rods 15, the sliding rods 15 all penetrate through the sliding plates 16, the sliding rods 15 are all in sliding fit with the sliding plates 16, and the sliding of the sliding plates 16 can enable the movable iron core 5 to synchronously slide;

referring to fig. 4, a return spring 17 is sleeved outside each of the sliding rods 15, one end of each of the return springs 17 is connected to the sliding plate 16, and the elastic recovery action of the return springs 17 drives the pressing rods 14 to extrude the movable iron core 5, so that the movable iron core 5 is forced downward;

referring to fig. 4, a pressing rod 14 is fixedly adhered to a middle position of an upper end of the sliding plate 16, one end of the pressing rod 14 penetrates through and extends to the outside of the transmission cavity 13, the pressing rod 14 is in sliding fit with the transmission cavity 13, and the sliding plate 16 can slide on the sliding rod 15 through the pressing rod 14;

referring to fig. 1 and 3, four guide rods 11 are fixedly arranged inside the position-keeping cavity 9 and are distributed in an annular and equidistant manner, the guide rods 11 all penetrate through the lifting plate 10, the guide rods 11 are in sliding fit with the lifting plate 10, and the guide rods 11 can guide and limit the movable iron core 5 to prevent the movable iron core from shifting in direction when the movable iron core moves;

referring to fig. 5, a groove 18 is formed above one end inside the second opening 3, an annular waterproof cushion 19 is fixedly adhered to the lower end of the outer wall of the movable iron core 5, the annular waterproof cushion 19 is matched with the groove 18, and the annular waterproof cushion 19 is clamped in the groove 18, so that the overall sealing performance can be improved;

referring to fig. 1, a valve core 4 is fixedly disposed at a lower end of a movable iron core 5, and the valve core 4 can be used to switch on and off an electromagnetic valve;

referring to fig. 1 and 2, the electromagnetic coil 7 is provided with a first terminal and a second terminal for connection with a power source, and various electromagnetic fields and electromagnetic forces can be generated by the electromagnetic coil 7;

referring to fig. 1, a communication port is formed between the first opening 2 and the second opening 3, and the diameter of the communication port is matched with that of the valve core 4, so that the communication port ensures the communication between the first opening 2 and the second opening 3.

The working principle is as follows: when in use, the first opening 2 and the second opening 3 are connected with the outside, the electromagnetic coil 7 is provided with a first terminal and a second terminal (not shown in the figure) for connecting a power supply, when the first terminal and the second terminal are not connected with the power supply, and the electromagnetic coil 7 is not electrified, because the movable iron core 5 can drive the valve core 4 to be positioned between the first opening 2 and the second opening 3, the electromagnetic valve is integrally closed, when the first terminal and the second terminal are respectively connected with the positive pole and the negative pole of the power supply, the electromagnetic coil 7 can be electrified, an electromagnetic field and an electromagnetic force can be generated, the static iron core 6 can attract the movable iron core 5 to move, thereby the valve core 4 can be moved upwards, the electromagnetic valve is integrally switched on, the power supply for the first terminal and the second terminal is stopped, because the movable iron core 5 moves upwards to drive the lifting plate 10 to move upwards synchronously, the permanent magnet 12 of the lifting plate 10 and the permanent magnet 12 at the upper end inside the position-keeping cavity 9 can attract each other, therefore, the movable iron core 5 can be limited, and then the electromagnetic coil 7 can be protected without being electrified for a long time, a large amount of electric energy can be saved, the phenomenon that the electromagnetic coil 7 generates heat due to continuous electrification can be effectively avoided, meanwhile, due to the fact that the movable iron core 5 moves upwards, the annular waterproof cushion 19 can be driven to be clamped into the groove 18, the whole sealing performance can be improved, and leakage in use can be prevented, when the electrodes of the first wiring end and the second wiring end which are connected with the power supply are electrified again, the first wiring end and the second wiring end are respectively connected with the negative electrode and the positive electrode of the power supply, the directions of an electromagnetic field and an electromagnetic force generated by the electromagnetic coil 7 are opposite to the directions of the electromagnetic field and the electromagnetic force generated by the previous electrification, and at the moment, the static iron core 6 and the movable iron core 5 can repel each other, apply a decurrent power for moving iron core 5, thereby can make permanent magnet 12 separate, make moving iron core 5 move down, can make depression bar 14 receive the extrusion when moving iron core 5 is spacing, the extrusion can stretch reset spring 17, when moving iron core 5 and receiving decurrent repulsion, reset spring 17's elasticity recovery effect can drive depression bar 14 and extrude moving iron core 5, make moving iron core 5 receive decurrent power once more, combine together the suction between the permanent magnet 12 that can be more convenient of overcoming with the repulsion that moves iron core 5 itself, thereby can be convenient move down moving iron core 5, make valve core 4 block up first opening 2 and second opening 3 and realize closing of solenoid valve, and then made things convenient for the use.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a protect position solenoid valve, includes solenoid valve shell (1), first opening (2) have been seted up to one side of the inside lower extreme of solenoid valve shell (1), second opening (3) have been seted up to the opposite side of the inside lower extreme of solenoid valve shell (1), installation slot portion (8) have been seted up to the inside top of solenoid valve shell (1), the fixed quiet iron core (6) that is provided with in the inside upper end of installation slot portion (8), the inside lower extreme of installation slot portion (8) slides and sets up and moves iron core (5), the one end that moves iron core (5) extends to the inside of second opening (3), the inside of installation slot portion (8) is provided with solenoid (7), and solenoid (7) encircle and move iron core (5) and quiet iron core (6) setting, its characterized in that:

the magnetic iron core is characterized by further comprising a position keeping cavity (9) which is arranged below the installation groove portion (8), four lifting plates (10) which are distributed in an annular and equidistant mode are welded to the outer wall of one end, located inside the position keeping cavity (9), of the movable iron core (5), and permanent magnets (12) are fixed to the upper end of each lifting plate (10) and the upper end of the inside of the position keeping cavity (9) in an adhesion mode.

2. A position-maintaining solenoid valve as claimed in claim 1, wherein: the upper end of the interior of the movable iron core (5) is provided with a transmission cavity (13), and four sliding rods (15) which are distributed in an annular and equidistant mode are fixedly arranged in the transmission cavity (13).

3. A position-maintaining solenoid valve as claimed in claim 2, wherein: be provided with slide (16) between slide bar (15), slide bar (15) all run through slide (16), and slide bar (15) all with slide (16) sliding fit.

4. A position-maintaining solenoid valve as claimed in claim 2, wherein: the outside of slide bar (15) all is equipped with reset spring (17) in the cover, and reset spring (17)'s one end all is connected with slide (16).

5. A position-maintaining solenoid valve as claimed in claim 3, wherein: a pressing rod (14) is fixedly adhered to the middle position of the upper end of the sliding plate (16), one end of the pressing rod (14) penetrates through and extends to the outside of the transmission cavity (13), and the pressing rod (14) is in sliding fit with the transmission cavity (13).

6. A position-maintaining solenoid valve as claimed in claim 1, wherein: the inside of keeping a position chamber (9) is fixed and is provided with four guide bars (11) that are annular equidistance and distribute, lift board (10) are all run through in guide bar (11), and guide bar (11) all with lift board (10) sliding fit.

7. A position-maintaining solenoid valve as claimed in claim 1, wherein: a groove (18) is formed in the upper portion of one end inside the second opening (3), an annular waterproof cushion (19) is fixed to the lower end of the outer wall of the movable iron core (5) in an adhesion mode, and the annular waterproof cushion (19) is matched with the groove (18).

8. A position-maintaining solenoid valve as claimed in claim 1, wherein: the lower end of the movable iron core (5) is fixedly provided with a valve core (4).

9. A position-maintaining solenoid valve as claimed in claim 1, wherein: the electromagnetic coil (7) is provided with a first terminal and a second terminal for connection to a power source.

10. A position-maintaining solenoid valve as claimed in claim 8, wherein: a communicating opening is formed between the first opening (2) and the second opening (3), and the diameter of the communicating opening is matched with that of the valve core (4).