CN212960109U - Novel electromagnetic valve structure - Google Patents

Abstract

The utility model relates to a novel solenoid valve structure, including valve body, valve barrel, disk seat, coil holder, valve rod, case and movable core, valve body one end is connected with the coil holder, and the other end is connected with the disk seat, and the winding has the coil on the coil holder, still including separating magnetism guide pin bushing, guide ring and preceding guide pin bushing, movable core is including setting up at the left iron core and the right iron core that hold the intracavity that separate the magnetism guide pin bushing, is equipped with the through-hole that is used for the valve rod to pass on the left iron core, is equipped with the counter bore that the one end that is used for the valve rod stretches into on the right iron core, in the counter bore that guide ring and left iron core stretch into right iron core before valve rod one end is mobile in proper order passes. The utility model discloses a divide into two mutually independent left iron cores and right iron core with original integral iron core to set up first buffer spring between left iron core and right iron core, provide changeable buffering damping force for promoting the iron core action, be convenient for reach the electrodeless adjustment of damping force and control, help improving solenoid valve's performance.

Description

Novel electromagnetic valve structure

Technical Field

The utility model relates to a solenoid valve technical field, concretely relates to novel solenoid valve structure.

Background

An Electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium.

The iron core of the existing solenoid valve is of an integrated structure, such as the solenoid valve disclosed in application No. 201811244234.5. Because the iron core of the electromagnetic valve is of an integrated structure, the force of the iron core driving the valve rod to act is not a continuously variable damping force, and the performance is poor.

SUMMERY OF THE UTILITY MODEL

To the not enough in the background art, the utility model provides a novel solenoid valve structure.

The utility model adopts the technical proposal that: a novel electromagnetic valve structure comprises a valve body, a valve sleeve, a valve seat, a coil seat, a valve rod, a valve core, a rear cover and a movable iron core, one end of the valve body is connected with the coil base, the other end is connected with the valve seat, a coil is wound on the coil base, the valve body also comprises a magnetism isolating guide sleeve, a guide ring and a front guide sleeve, the movable iron core comprises a left iron core and a right iron core which are arranged in the containing cavity of the magnetism isolating guide sleeve, the left iron core is provided with a through hole for the valve rod to pass through, a counter bore for one end of the valve rod to extend into is arranged on the right iron core, one end of the valve rod can sequentially and movably penetrate through the front guide sleeve, the guide ring and the left iron core to extend into the counter bore of the right iron core, the valve rods of the left iron core and the right iron core are sleeved with a first buffer spring, the right iron core is in threaded connection with the inner wall of the magnetism isolating guide sleeve, and the right end of the right iron core is provided with an adjusting column which extends out of the rear cover and is used for adjusting the tightness of the first buffer spring.

Furthermore, be equipped with on left iron core and the right iron core and be used for the spring step that first buffer spring both ends support and lean on.

Furthermore, the buffer ring is sleeved outside the first buffer spring and connected into a connecting groove of the right iron core through a connecting step on the buffer ring.

Furthermore, a straight groove or a cross groove is arranged on the adjusting column.

Furthermore, the guide ring is of a U-shaped structure, the middle part of the guide ring is provided with a shaft hole for the valve rod to pass through, and an O-shaped sealing ring is arranged between the guide ring and the inner wall of the valve body.

Furthermore, the front guide sleeve is provided with a front through hole for the valve rod to pass through, the left side of the front through hole is provided with a spring cavity, the left side of the spring cavity is provided with a film cavity, and the left end of the valve rod passes through the front through hole and is connected with a sealing film through a second buffer spring.

Furthermore, communicating holes are formed in the valve core and the sealing film, a medium through hole is formed between the front guide sleeve and the guide ring, and a conical groove matched with the medium through hole is formed in the valve rod.

The utility model has the advantages that: the utility model discloses a divide into two mutually independent left iron cores and right iron core with original integral iron core to set up first buffer spring between left iron core and right iron core, provide changeable buffering damping force for promoting the iron core action, be convenient for reach the electrodeless adjustment of damping force and control, help improving solenoid valve's performance.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided.

The present invention will be described in further detail below with reference to the drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

In FIGS. 1-3: 1. a valve body; 2. a valve housing; 3. a valve seat; 4. a coil holder; 5. a valve stem; 6. a valve core; 7. a movable iron core; 8. a coil; 9. a magnetism isolating guide sleeve; 10. a guide ring; 11. A front guide sleeve; 12. a left iron core; 13. a right iron core; 14. a through hole; 15. a counter bore; 16. A first buffer spring; 17. a spring step; 18. a buffer ring; 19. connecting steps; 20. Connecting grooves; 21. a rear cover; 22. a shaft hole; 23. an O-shaped sealing ring; 24. a front through hole; 25. a spring cavity; 26. sealing the film; 27. a communicating hole; 28. a tapered groove; 29. A thin film chamber; 30. a second buffer spring; 31. an adjustment column; 32. and a dielectric through hole.

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 efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a novel solenoid valve structure.

In this embodiment, referring to fig. 1 to 3, the novel electromagnetic valve structure includes a valve body 1, a valve sleeve 2, a valve seat 3, a coil seat 4, a valve rod 5, a valve core 6, a back cover 21, and a movable iron core 7, one end of the valve body is connected to the coil seat, the other end is connected to the valve seat, a coil 8 is wound on the coil seat, the novel electromagnetic valve further includes a magnetic isolation guide sleeve 9, a guide ring 10, and a front guide sleeve 11, the movable iron core 7 includes a left iron core 12 and a right iron core 13 disposed in a containing cavity of the magnetic isolation guide sleeve, the left iron core is provided with a through hole 14 for the valve rod to pass through, the right iron core is provided with a counter bore 15 for one end of the valve rod to extend into, one end of the valve rod can sequentially and movably pass through the front guide sleeve, the guide ring, and the left iron core to extend into the counter bore of the right iron core, the valve, and the right end of the right iron core is provided with an adjusting column which extends out of the rear cover and is used for adjusting the tightness of the first buffer spring.

Among the above-mentioned technical scheme, divide into two mutually independent left iron cores and right iron core with original integral iron core to set up first buffer spring between left iron core and right iron core, provide changeable buffering damping force for promoting the iron core action, be convenient for reach the electrodeless adjustment of damping force and control, help improving solenoid valve's performance. In addition, the right iron core part is provided with an adjusting column, so that the tightness of a first buffer spring between the left iron core and the right iron core can be adjusted by rotating the adjusting column, the current required by adjusting different opening degrees is correspondingly adjusted, and the shock absorption requirements of different road surfaces are met.

In addition, still set up magnetism proof guide pin bushing, guide ring and preceding guide pin bushing in the valve body, played the guide effect to the valve rod, improved the accuracy and the stability of valve rod action, helped improving solenoid valve's performance.

Specifically, the left iron core and the right iron core are provided with spring steps 17 for abutting against two ends of the first buffer spring; the buffer ring is sleeved outside the first buffer spring and connected into a connecting groove 20 of the right iron core through a connecting step 19 on the buffer ring 18.

Among the above-mentioned technical scheme, the suit has cushioned ring again on first buffer spring's basis, further improves shock-absorbing capacity, and wherein cushioned ring adopts and is made with elastic rubber.

Specifically, the adjusting column is provided with a straight groove or a cross groove; the guide ring is of a U-shaped structure, the middle part of the guide ring is provided with a shaft hole 22 for the valve rod to pass through, and an O-shaped sealing ring 23 is arranged between the guide ring and the inner wall of the valve body. The guide ring is connected with the valve body, and an O-shaped sealing ring is arranged between the valve body and the guide ring, so that the sealing performance of the electromagnetic valve is improved. Wherein the straight groove or the cross groove is matched with the screwdriver.

Specifically, a front through hole 24 for the valve rod to pass through is formed in the front guide sleeve 11, a spring cavity 25 is arranged on the left side of the front through hole, a film cavity 29 is arranged on the left side of the spring cavity 25, and the left end of the valve rod passes through the front through hole and is connected with a sealing film 26 through a second buffer spring. Wherein the second buffer spring is used for valve rod return.

Specifically, the valve core and the sealing film are provided with communicating holes 27, a medium through hole 32 is arranged between the front guide sleeve and the guide ring, and the valve rod is provided with a tapered groove 28 matched with the medium through hole. As shown in figure 1, by arranging the tapered groove, when the valve rod moves left and right, the distance between the shafts of the valve rod can be adjusted to adjust the opening degree of the tapered groove at the position of the medium through hole so as to adjust the flow rate of a medium, namely, the valve rod can be adjusted to move by changing the current, so that the opening degree of the tapered groove is controlled, and the stepless control of the medium flow is realized, wherein the front guide sleeve and the guide ring are of an integrated structure.

The utility model discloses a divide into two mutually independent left iron cores and right iron core with original integral iron core to set up first buffer spring between left iron core and right iron core, provide changeable buffering damping force for promoting the iron core action, be convenient for reach the electrodeless adjustment of damping force and control, help improving solenoid valve's performance.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims (7)

1. The utility model provides a novel solenoid valve structure, includes valve body, valve barrel, disk seat, coil base, valve rod, case, back lid and moves the iron core, valve body one end is connected with the coil base, and the other end is connected with the disk seat, the winding has coil, its characterized in that on the coil base: still including separating magnetism guide pin bushing, guide ring and preceding guide pin bushing, move the iron core including setting up at the left iron core and the right iron core that hold the intracavity that separates the magnetism guide pin bushing, be equipped with the through-hole that is used for the valve rod to pass on the iron core of a left side, be equipped with the counter bore that the one end that is used for the valve rod stretches into on the iron core of the right side, in guide pin bushing, guide ring and the counter bore that the left iron core stretches into the right iron core before mobile passing in proper order of valve rod one end, the cover has first buffer spring on the valve rod of left side iron core and right iron core, right side iron core and the inner wall threaded connection who separates the magnetism guide pin bushing, and the right-.

2. The novel solenoid valve structure of claim 1, wherein: and the left iron core and the right iron core are provided with spring steps used for abutting against two ends of the first buffer spring.

3. The novel solenoid valve structure according to claim 1 or 2, characterized in that: the buffer ring is sleeved outside the first buffer spring and connected in the connecting groove of the right iron core through a connecting step on the buffer ring.

4. The novel solenoid valve structure of claim 1, wherein: the adjusting column is provided with a straight groove or a cross groove.

5. The novel solenoid valve structure of claim 4, wherein: the guide ring is of a U-shaped structure, the middle part of the guide ring is provided with a shaft hole for the valve rod to pass through, and an O-shaped sealing ring is arranged between the guide ring and the inner wall of the valve body.

6. The novel solenoid valve structure of claim 1, 4 or 5, characterized in that: the preceding through-hole that supplies the valve rod to pass is set up on preceding cover, and the left side of preceding through-hole is equipped with the spring chamber, and the left side in spring chamber is equipped with the film chamber, the through-hole passes through before the left end of valve rod and is connected with sealing film through second buffer spring.

7. The novel solenoid valve structure of claim 6, wherein: the valve core and the sealing film are provided with communicating holes, a medium through hole is arranged between the front guide sleeve and the guide ring, and the valve rod is provided with a conical groove matched with the medium through hole.

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