CN215214981U - Pilot head assembly of electromagnetic valve - Google Patents

Abstract

The utility model belongs to the technical field of the solenoid valve, a solenoid valve guide's head subassembly is provided, include: sleeve pipe and set up the iron core subassembly in the sleeve pipe, its characterized in that still includes: the valve core is arranged in the sleeve and is positioned behind the iron core component; the valve rod penetrates through the valve core, and one end of the valve rod is connected with the iron core assembly; the limiting disc is sleeved on the other end of the valve rod; the disc part penetrates through the limiting disc and is in threaded connection with the valve rod; the limiting piece is detachably arranged on the sleeve, and the limiting piece is movably abutted to the valve core. Compared with the prior art, the valve rod and the disc part can be spliced in a threaded manner, complex splicing is not needed, the valve core is arranged in the sleeve, one end of the valve core abuts against the sleeve, the other end of the valve core abuts against the limiting part, the limiting part can be disassembled, the valve core can be easily disassembled after the disc part is screwed out of the valve rod, and the valve core and the internal movable iron core and other components can be overhauled.

Description

Pilot head assembly of electromagnetic valve

Technical Field

The utility model belongs to the technical field of the solenoid valve, concretely relates to solenoid valve guide head subassembly.

Background

The electromagnetic valve can be matched with different circuits to realize expected control, has the advantages of high precision, good flexibility and the like, and is widely used in the industrial field.

The pilot-operated solenoid valve is a kind of valve class, is widely used in each trade, and the pilot-operated head subassembly is the important component part of solenoid valve, and the pilot-operated head subassembly includes the sleeve pipe usually, sets up the quiet iron core and the activity that set up in the sleeve pipe and the activity sets up the movable iron core in the sleeve pipe to and the solenoid of cover on the sleeve pipe outer wall, and its theory of operation is: when the electromagnetic coil is electrified, the static iron core attracts the movable iron core to move along the axial direction of the sleeve, and then the electromagnetic valve is started or closed.

The current guide head subassembly inner structure is complicated, and case, valve rod and other parts need splice many times, dies the case card at the sleeve pipe through modes such as part buckle, and the case after the card dies can't dismouting once more, and the result of use is poor, and later stage maintenance effect is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, and provide a simple structure, solenoid valve guide head subassembly that can conveniently dismantle.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a pilot head assembly of a solenoid valve is provided, comprising: sleeve pipe and set up the iron core subassembly in the sleeve pipe, its characterized in that still includes:

the valve core is arranged in the sleeve and is positioned behind the iron core component;

the valve rod penetrates through the valve core, and one end of the valve rod is connected with the iron core assembly;

the limiting disc is sleeved on the other end of the valve rod;

the disc part penetrates through the limiting disc and is in threaded connection with the valve rod;

the limiting piece is detachably arranged on the sleeve, and the limiting piece is movably abutted to the valve core.

In the above-mentioned pilot head assembly for an electromagnetic valve, the sleeve has an annular groove, the position-limiting member has a first connection end and a second connection end, the first connection end is embedded in the groove, and the second connection end is movably abutted to the valve core.

In the above-mentioned pilot head assembly of the solenoid valve, a spring fastener is detachably disposed in the annular groove, and the spring fastener abuts against the first connection end.

In the above-mentioned pilot head assembly of a solenoid valve, a connection groove is formed in the valve rod, the disk member has a connection portion, and the connection portion is in threaded connection with the connection groove.

In foretell solenoid valve guide head subassembly, the spread groove is opened outward and is equipped with joint portion, spacing dish set up in on the joint portion.

In the above-mentioned pilot head assembly for a solenoid valve, the core assembly includes:

a stationary core disposed within the sleeve;

and the movable iron core is arranged in the sleeve and is positioned behind the static iron core, and the movable iron core is fixedly connected with the valve rod.

Compared with the prior art, the utility model has the advantages of this valve rod can the screw thread concatenation with disc spare, need not to carry out complicated concatenation, and the case sets up in the cover pipe, and case one end is supported and is supported the sleeve pipe, and the case other end supports and support spacingly, and the locating part can be dismantled, can easily dismantle the case after screwing out the valve rod with disc spare, moves subassembly such as iron core to it and inside and overhauls, this product simple structure, and convenient to use can easily carry out a lot of and assemble.

Drawings

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

fig. 2 is a structural sectional view of the present invention.

In the figure, 1, a sleeve; 2. an iron core assembly; 3. a valve core; 4. a valve stem; 5. a limiting disc; 6. a disc member; 7. a limiting member; 8. an annular groove; 9. a first connection end; 10. a second connection end; 11. a spring buckle; 12. connecting grooves; 13. a clamping part; 14. a stationary iron core; 15. movable iron core, 16, connecting portion.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 2, the pilot head assembly of the solenoid valve includes: sleeve pipe 1 and set up iron core subassembly 2 in sleeve pipe 1, its characterized in that still includes: the valve core 3 is arranged in the sleeve 1 and is positioned behind the iron core component 2; the valve rod 4 penetrates through the valve core 3, and one end of the valve rod 4 is connected with the iron core assembly 2; a limiting disc 5 sleeved on the other end of the valve rod 4; the disc part 6 penetrates through the limiting disc 5 and is in threaded connection with the valve rod 4; and the limiting piece 7 is detachably arranged on the sleeve 1, and the limiting piece 7 is movably abutted against the valve core 3.

Iron core subassembly 2 sets up in sleeve pipe 1, valve rod 4 is connected with iron core subassembly 2, earlier put into case 3 to sleeve pipe 1 when the part is assembled, valve rod 4 runs through case 3, the side and the sleeve pipe 1 of case 3 support and lean on, put into sleeve pipe 1 with locating part 7 after that, locating part 7 lower extreme has certain turn-ups, turn-ups department supports and lean on case 3, the other end of locating part 7 can be dismantled and set up in sleeve pipe 1, accomplish location and fixed back, place valve rod 4 with spacing dish 5 again on, insert valve rod 4 to disc spare 6 again at last and the screw thread is screwed up, when screwing up, spacing dish 5 and the laminating of locking of disc spare 6.

Preferably, the sleeve 1 has an annular groove 8, the limiting member 7 has a first connecting end 9 and a second connecting end 10, the first connecting end 9 is embedded in the groove, and the second connecting end 10 is movably abutted against the valve core 3.

After the valve core 3 in the sleeve 1 is placed, the limiting part 7 is placed into the sleeve 1, and when the second connecting end 10 at the lower end of the limiting part 7 abuts against the valve core 3, the first connecting end 9 at the upper end is also clamped into the annular groove 8 to be fixed.

Preferably, a spring buckle 11 is detachably arranged in the annular groove 8, and the spring buckle 11 abuts against the first connecting end 9.

The spring buckle 11 is arranged in the annular groove 8 like the first connecting end 9, the spring buckle 11 is abutted against the first connecting end 9, and the valve core 3 is suddenly separated from the valve core under stress when the spring buckle 11 is arranged in the annular groove 8 to reverse and positive the pilot head to act, so that internal parts are damaged.

Preferably, a coupling groove 12 is formed in the valve stem 4, and the disk member 6 has a coupling portion which is screw-coupled with the coupling groove 12.

The connecting groove 12 is a threaded groove, the connecting part is a threaded bolt, and the connecting part is in threaded connection with the connecting groove 12, so that subsequent parts can be conveniently mounted and dismounted.

Preferably, the connecting groove 12 is externally opened with a clamping portion 13, and the limiting disc 5 is arranged on the clamping portion 13.

Joint portion 13 of seting up outward in spread groove 12 is "L" type, and joint portion 13 is used for doing the location for spacing dish 5, has the snap ring on the spacing dish 5, and disc spare 6 has the draw-in groove by spacing dish 5's terminal surface, and disc spare 6 presss from both sides tight back with 4 threaded connection of valve rod, and the snap ring sets up in the draw-in groove, and whole spacing dish 5 and disc spare 6 locking location can not the atress skew.

Preferably, the core assembly 2 comprises: a stationary core 14 disposed within the casing 1; and the movable iron core 15 is arranged in the sleeve 1, the movable iron core 15 is positioned behind the static iron core 14, and the movable iron core 15 is fixedly connected with the valve rod 4.

The static iron core 14 is fixed with the sleeve 1, the movable iron core 15 moves with the sleeve 1 in the sleeve 1, and the valve rod 4 is fixed with the movable iron core 15 and moves along with the movable iron core 15.

The working principle is as follows: when the electromagnetic coil is electrified, the static iron core 14 attracts the movable iron core 15 to move along the axial direction of the sleeve 1, the normally open electromagnetic valve is not electrified, the movable iron core 15 does not act, and the valve is in an open state; when the electromagnetic coil is electrified, the movable iron core 15 drives the valve rod 4 to act, and the valve is in a closed state.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention 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 indicator is changed accordingly.

Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Claims (6)

1. A solenoid valve pilot head assembly comprising: sleeve pipe and set up the iron core subassembly in the sleeve pipe, its characterized in that still includes:

the valve core is arranged in the sleeve and is positioned behind the iron core component;

the valve rod penetrates through the valve core, and one end of the valve rod is connected with the iron core assembly;

the limiting disc is sleeved on the other end of the valve rod;

the disc part penetrates through the limiting disc and is in threaded connection with the valve rod;

the limiting piece is detachably arranged on the sleeve, and the limiting piece is movably abutted to the valve core.

2. The pilot head assembly of a solenoid valve according to claim 1, wherein said sleeve has an annular groove, said retainer has a first connecting end and a second connecting end, said first connecting end is embedded in said groove, and said second connecting end is movably abutted against said spool.

3. The pilot head assembly of a solenoid valve according to claim 2, wherein a spring catch is detachably disposed in the annular groove, and the spring catch abuts against the first connection end.

4. A solenoid valve pilot head assembly according to claim 1, wherein said valve stem has a connecting slot formed therein, said disc member having a connecting portion, said connecting portion being threadably connected to said connecting slot.

5. The pilot head assembly of the electromagnetic valve according to claim 4, wherein a clamping portion is provided outside the connecting groove, and the limiting disc is disposed on the clamping portion.

6. A solenoid valve pilot head assembly according to claim 1, wherein said core assembly comprises:

a stationary core disposed within the sleeve;

and the movable iron core is arranged in the sleeve and is positioned behind the static iron core, and the movable iron core is fixedly connected with the valve rod.

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