CN213776415U

CN213776415U - High-pressure-resistance leakage-proof two-way electromagnetic valve

Info

Publication number: CN213776415U
Application number: CN202022772327.4U
Authority: CN
Inventors: 车志刚; 田明艳
Original assignee: Shaanxi Aerospace Technology Development Co ltd West Blue
Current assignee: Shaanxi Aerospace Technology Development Co ltd West Blue
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model relates to a two-way solenoid valve technical field just discloses a two-way solenoid valve is prevented leaking by high resistance to pressure, including disk seat and casing, install solenoid, spring and armature in the casing, the intercommunication has the cable with solenoid electric connection on the casing, the inner chamber has been seted up in the disk seat, feed liquor hole and play liquid hole have been seted up on the chamber wall of inner chamber, the inner chamber backs down and is equipped with the movable hole, sliding connection has the piston in the movable hole, the mounting groove that communicates with the movable hole is seted up to the disk seat upper end, piston upper end fixedly connected with moves the iron core, it is equipped with the mount pad to move the iron core overcoat, mount pad fixed connection is in the casing bottom, the other end that moves the iron core passes the through-hole and extends in to the casing. The utility model discloses be convenient for regularly change the sealing rubber ring, the sealing rubber ring that prevents to continue to use wearing and tearing easily causes the leakage, and has improved the inside resistance to pressure of this two-way solenoid valve.

Description

High-pressure-resistance leakage-proof two-way electromagnetic valve

Technical Field

The utility model relates to a two-way solenoid valve technical field especially relates to a two-way solenoid valve is prevented leaking by high resistance to pressure.

Background

The 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. The electromagnetic valve comprises a shell, an electromagnetic coil, a spring and an armature are arranged in the shell of the existing two-way electromagnetic valve, the armature is installed in the middle of an inner cavity of the shell through the spring, the electromagnetic coil is arranged in the outer peripheral position of the armature, in the working process, the electromagnetic coil is electrified to generate electromagnetic force to lift the armature, the armature drives a movable iron core and a valve core rod to move upwards, the electromagnetic valve is opened, in the power failure process, the electromagnetic force in the electromagnetic coil disappears, the armature is not subjected to the magnetic force but to the thrust of the spring, the spring resets and pushes the armature, the movable iron core and the valve core rod are driven to move downwards, and the electromagnetic valve is closed.

However, the sealing rubber ring in the existing two-way solenoid valve is easy to cause the abrasion of the sealing ring under the condition of high temperature or corrosive media, so that the sealing performance of the two-way solenoid valve is affected, the sealing rubber ring cannot be replaced, the leakage is easy to cause, and the pressure resistance in the two-way solenoid valve is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art two lead to the leakproofness of solenoid valve relatively poor, sealed rubber ring can not change, easily causes the leakage, and the relatively poor problem of resistance to pressure in the two lead to the solenoid valve, and the two lead to the solenoid valve is prevented leaking to a high resistance to pressure that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-pressure-resistance leakage-prevention two-way electromagnetic valve comprises a valve seat and a shell, wherein an electromagnetic coil, a spring and an armature are installed in the shell, a cable electrically connected with the electromagnetic coil is communicated with the shell, an inner cavity is formed in the valve seat, a liquid inlet hole and a liquid outlet hole are formed in the cavity wall of the inner cavity, a movable hole is formed in the cavity top of the inner cavity, a piston is connected in the movable hole in a sliding mode, a mounting groove communicated with the movable hole is formed in the upper end of the valve seat, a movable iron core is fixedly connected to the upper end of the piston, a mounting seat is sleeved outside the movable iron core and fixedly connected to the bottom of the shell, the other end of the movable iron core penetrates through the through hole and extends into the shell, a valve core rod is fixedly connected to the bottom of the piston, a stop block is fixedly connected to the other end of the valve core rod, a valve block is fixedly connected to the inner cavity wall of the inner cavity, and a water through hole matched with the stop block is formed in the valve block, the improved valve is characterized in that an annular groove is formed in the valve block, a sealing rubber ring is sleeved at the annular groove on the valve block, a fixing plate is fixedly connected to the valve seat in a symmetrical mode with respect to the shell, threaded holes are formed in the fixing plate, a fixing cylinder is fixedly connected to the annular side wall of the shell in a symmetrical mode, a bolt is connected to the fixing plate in a threaded mode, and one end of the bolt penetrates through a cylinder opening of the fixing cylinder and extends into the fixing cylinder.

Preferably, the wall of the movable hole is fixedly connected with a sealing ring, the piston is fixedly connected with a sealing washer, and the sealing washer is arranged between the sealing ring and the piston.

Preferably, both ends of the valve seat are fixedly connected with flanges, and the valve seat and the flanges are coated with antirust paint.

Preferably, reinforcing ribs are symmetrically and fixedly connected between the valve core rod and the stop block about the valve core rod.

Preferably, the mounting seat is slidably connected in the mounting groove, and the bottom of the valve block is conical.

Preferably, the output end of the liquid inlet hole is arranged above one side of the valve block, and the input end of the liquid outlet hole is arranged below the other side of the valve block.

Compared with the prior art, the utility model provides a two-way solenoid valve is prevented leaking by high resistance to pressure possesses following beneficial effect:

this two solenoid valves are prevented leaking by high resistance to pressure, through setting up the disk seat, a housing, the inner chamber, the feed liquor hole, go out the liquid hole, a piston, move the iron core, the mount pad, the case pole, the dog, the valve block, sealed rubber ring, the fixed plate, a fixed cylinder and bolt, when needs carry out the periodic replacement to two solenoid valves sealed rubber ring, rotatory dismantlement bolt, make it break away from with the fixed cylinder, make the dog expose and take off the sealed rubber ring of wearing and tearing, the sealed rubber ring of renewal, the rethread bolt is fixed casing and disk seat, because the feed liquor hole sets up in the dog top, and the bottom of dog is the toper, make the water pressure that the dog bore bigger, the inside resistance to pressure of this two solenoid valve has been improved, be convenient for periodic replacement sealed rubber ring, the sealed rubber ring that prevents to continue to use wearing and tearing easily leads to the fact the leakage.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for regularly change the sealed rubber ring, the sealed rubber ring that prevents to continue to use wearing and tearing easily causes the leakage, and has improved the inside resistance to pressure of this two-way solenoid valve.

Drawings

Fig. 1 is a schematic structural view of a high pressure-resistant leakage-proof two-way solenoid valve provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: 1 valve seat, 2 casings, 3 cables, 4 inner chambers, 5 liquid inlet holes, 6 liquid outlet holes, 7 movable holes, 8 pistons, 9 mounting grooves, 10 movable iron cores, 11 mounting seats, 12 valve core rods, 13 stop blocks, 14 valve blocks, 15 sealing rubber rings, 16 fixing plates, 17 fixing cylinders, 18 bolts, 19 sealing rings, 20 sealing gaskets, 21 flanges and 22 reinforcing ribs.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high pressure resistance and leak resistance two-way solenoid valve comprises a valve seat 1 and a housing 2, wherein a solenoid coil, a spring and an armature are installed in the housing 2, a cable 3 electrically connected with the solenoid coil is communicated with the housing 2, an inner cavity 4 is formed in the valve seat 1, a liquid inlet hole 5 and a liquid outlet hole 6 are formed in the cavity wall of the inner cavity 4, a movable hole 7 is formed in the cavity top of the inner cavity 4, a piston 8 is connected in the movable hole 7 in a sliding manner, an installation groove 9 communicated with the movable hole 7 is formed in the upper end of the valve seat 1, a movable iron core 10 is fixedly connected to the upper end of the piston 8, an installation seat 11 is sleeved outside the movable iron core 10, the installation seat 11 is fixedly connected to the bottom of the housing 2, the other end of the movable iron core 10 penetrates through the through hole and extends into the housing 2, a valve core rod 12 is fixedly connected to the bottom of the piston 8, a stop block 13 is fixedly connected to the other end of the valve core rod 12, and a valve block 14 is fixedly connected to the inner cavity wall of the inner cavity 4, the valve block 14 is provided with a water through hole matched with the stop block 13, the valve block 14 is provided with an annular groove, the annular groove on the valve block 14 is sleeved with a sealing rubber ring 15, the valve seat 1 is symmetrically and fixedly connected with a fixing plate 16 relative to the shell 2, the fixing plate 16 is provided with a threaded hole, the annular side wall of the shell 2 is symmetrically and fixedly connected with a fixing cylinder 17, the fixing plate 16 is provided with a bolt 18 in a threaded connection manner, one end of the bolt 18 penetrates through the cylinder opening of the fixing cylinder 17 and extends into the fixing cylinder 17, when the sealing rubber ring 15 needs to be replaced periodically for the two-way electromagnetic valve, the bolt 18 is rotated and detached to be separated from the fixing cylinder 17, so that the stop block 13 is exposed and takes down the worn sealing rubber ring 15, the new sealing rubber ring 15 is replaced, the shell 2 and the valve seat 1 are fixed through the bolt 18, because the liquid inlet hole 5 is arranged above the stop block 13, and the bottom of the stop block 13 is conical, the water pressure born by the stop block 13 is larger, the pressure resistance in the two-way electromagnetic valve is improved, the sealing rubber ring 15 is convenient to replace regularly, and the sealing rubber ring 15 which is abraded in continuous use is prevented from easily causing leakage.

The sealing ring 19 is fixedly connected to the wall of the movable hole 7, the sealing washer 20 is fixedly connected to the piston 8, and the sealing washer 20 is arranged between the sealing ring 19 and the piston 8, so that the connection tightness between the piston 8 and the movable hole 7 is improved.

The equal fixedly connected with flange 21 in both ends of disk seat 1, it is fixed with two piping erection to be convenient for this solenoid valve, makes its intercommunication each other, scribbles the anti-rust paint on disk seat 1 and flange 21, prevents that this disk seat 1 and flange 21 from rustting.

The reinforcing ribs 22 are symmetrically and fixedly connected between the valve core rod 12 and the stop block 13 about the valve core rod 12, so that the connection strength of the valve core rod 12 and the stop block 13 is increased.

The installation seat 11 is connected in the installation groove 9 in a sliding mode, installation of the installation seat 11 is facilitated, and the bottom of the valve block 14 is conical.

The output setting in valve block 14 one side top of feed liquor hole 5, the input setting in valve block 14 opposite side below of play liquid hole 6 for water pressure in the solenoid valve is downward, and valve block 14 bottom is the toper, can guarantee that valve block 14 when the solenoid valve is closed, its position keeps unchangeable.

The utility model discloses in, when needs carry out periodic replacement sealing rubber ring 15 to the two-way solenoid valve, rotatory dismantlement bolt 18, make it break away from with solid fixed cylinder 17, can separate casing 2 and disk seat 1, make dog 13 expose and take off wearing and tearing sealing rubber ring 15, the sealing rubber ring 15 of renewal, rethread bolt 18 is fixed casing 2 and disk seat 1, because feed liquor hole 5 sets up in dog 13 top, and the bottom of dog 13 is the toper, make the water pressure that dog 13 bore bigger, the inside resistance to pressure of this two-way solenoid valve has been improved, be convenient for periodic replacement sealing rubber ring 15, prevent to continue to use wearing and tearing sealing rubber ring 15 and easily cause the leakage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-pressure-resistance leakproof two-way electromagnetic valve comprises a valve seat (1) and a shell (2), wherein an electromagnetic coil, a spring and an armature are installed in the shell (2), the shell (2) is communicated with a cable (3) electrically connected with the electromagnetic coil, the high-pressure leakproof two-way electromagnetic valve is characterized in that an inner cavity (4) is formed in the valve seat (1), a liquid inlet hole (5) and a liquid outlet hole (6) are formed in the cavity wall of the inner cavity (4), a movable hole (7) is formed in the cavity top of the inner cavity (4), a piston (8) is slidably connected in the movable hole (7), a mounting groove (9) communicated with the movable hole (7) is formed in the upper end of the valve seat (1), a movable iron core (10) is fixedly connected to the upper end of the piston (8), a mounting seat (11) is sleeved outside the movable iron core (10), and the mounting seat, the other end of the movable iron core (10) passes through the through hole and extends into the shell (2), the bottom of the piston (8) is fixedly connected with a valve core rod (12), the other end of the valve core rod (12) is fixedly connected with a stop block (13), a valve block (14) is fixedly connected on the inner cavity wall of the inner cavity (4), a limber hole matched with the stop block (13) is arranged on the valve block (14), an annular groove is arranged on the valve block (14), a sealing rubber ring (15) is sleeved at the annular groove on the valve block (14), the valve seat (1) is symmetrically and fixedly connected with a fixed plate (16) relative to the shell (2), a threaded hole is arranged on the fixing plate (16), fixing cylinders (17) are symmetrically and fixedly connected on the annular side wall of the shell (2), the fixing plate (16) is connected with a bolt (18) in a threaded mode, and one end of the bolt (18) penetrates through the opening of the fixing cylinder (17) and extends into the fixing cylinder (17).

2. A high pressure resistant, leak proof, two-way electromagnetic valve according to claim 1, characterized in that the wall of the movable hole (7) is fixedly connected with a sealing ring (19), the piston (8) is fixedly connected with a sealing washer (20), and the sealing washer (20) is arranged between the sealing ring (19) and the piston (8).

3. A high pressure resistant, leak proof, two-way electromagnetic valve according to claim 1, characterized in that both ends of the valve seat (1) are fixedly connected with flanges (21), and the valve seat (1) and the flanges (21) are coated with rust preventive paint.

4. A high pressure resistant leak proof two-way electromagnetic valve according to claim 1, characterized in that a reinforcing rib (22) is fixedly connected between the valve core rod (12) and the stop (13) symmetrically with respect to the valve core rod (12).

5. A high pressure resistant leak proof two way solenoid valve according to claim 1 wherein the mounting seat (11) is slidably connected in the mounting groove (9) and the bottom of the valve block (14) is tapered.

6. A high pressure resistant leak proof two-way electromagnetic valve according to claim 1, characterized in that the output end of the liquid inlet hole (5) is arranged above one side of the valve block (14) and the input end of the liquid outlet hole (6) is arranged below the other side of the valve block (14).