CN212455688U

CN212455688U - Electromagnetic valve adopting integrated sealing element

Info

Publication number: CN212455688U
Application number: CN202020681924.3U
Authority: CN
Inventors: 何振良
Original assignee: Takasago Electric Suzhou Co Ltd
Current assignee: Takasago Electric Suzhou Co Ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-02-02
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses an adopt solenoid valve of integral type sealing member, including disk seat and electromagnetic drive portion, electromagnetic drive portion includes the coil and from last fixed iron core, spring, the movable iron core that sets up extremely down, and the lower extreme of movable iron core stretches out the coil and can stretch into the disk seat. The activity iron core bottom is provided with the sealing member, the sealing member is located between the fluid passage of activity iron core and disk seat, sealing member be integrated into one piece's sealed cushion, including diapire and the lateral wall that upwards extends along the diapire, enclose between diapire and the lateral wall and supply activity iron core male cavity, cavity inner wall has the snap ring along the inside extension of circumference, snap ring embedding activity iron core, the lateral wall has the arc sealed wall with the outside extension of the outer wall of snap ring junction, arc sealed wall edge downwardly extending has joint portion, joint portion embedding disk seat. The sealing element only needs an integrated sealing rubber gasket, the installation is simple, and the cost is saved.

Description

Electromagnetic valve adopting integrated sealing element

Technical Field

The utility model relates to a solenoid valve technical field especially relates to an adopt solenoid valve of integral type sealing member.

Background

Solenoid valves are valves in which a spool moves with an electromagnet, and are used in industrial control systems to regulate the direction, flow, velocity, and other parameters of a medium. The solenoid valve is controlled by electromagnetic effect, and the main control mode is controlled by a relay. Thus, the electromagnetic valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. As shown in fig. 1, the structure of the present electromagnetic valve is as follows: the electromagnetic valve comprises a valve seat 1 ', an electromagnetic driving part 2' and a sealing piece, wherein the sealing piece is arranged between the valve body 1 'and the electromagnetic driving part 2', and comprises an isolation diaphragm 3 'and a sealing gasket 4'. The valve seat 1 ' is fixedly connected with the electromagnetic driving part 2 ' through screws, the top of the isolating diaphragm 3 ' is embedded into the bottom of the movable iron core 5 ' of the electromagnetic driving part 2 ', during installation, the isolating diaphragm 3 ' is screwed into the movable iron core 5 ' in front, glue is dispensed for fixation, the lower end of the isolating diaphragm 3 ' is clamped with the sealing gasket 4 ', and the installation of the two parts is relatively troublesome.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an adopt solenoid valve of integral type sealing member, the sealing member only needs the sealed cushion of an integral type, and the installation is simple, practices thrift the cost.

In order to achieve the above purpose, the utility model discloses a technical scheme is: adopt solenoid valve of integral type sealing member, including disk seat and electromagnetic drive portion, electromagnetic drive portion includes the coil and from last fixed iron core, spring, the movable iron core that sets up extremely down, the lower extreme of movable iron core stretches out the coil and can stretch into disk seat, its characterized in that: the utility model discloses a sealed structure of movable iron core, including diapire and the lateral wall that upwards extends along the diapire, enclose between diapire and the lateral wall and supply movable iron core male cavity, cavity inner wall has the snap ring along the inside extension of circumference, snap ring embedding movable iron core, the lateral wall outwards extends with the outer wall of snap ring junction has the arc sealed wall, arc sealed wall edge downwardly extending has joint portion, joint portion embedding disk seat.

The beneficial effects of the utility model reside in that: the sealing element is changed into the integrated sealing rubber gasket from the original isolation diaphragm and the sealing gasket, and the sealing rubber gasket is fixed between the fluid channels of the movable iron core and the valve seat through the clamping ring and the clamping portion, so that a part is reduced, the cost is saved, and the installation is convenient while the sealing effect is realized.

Further, the outer wall of the movable iron core is provided with a first clamping groove for embedding the clamping ring along the circumferential direction of the outer wall of the movable iron core, and a second clamping groove for clamping the clamping portion is formed in the valve seat. The sealing member is fixed between the fluid passages of the movable iron core and the valve seat in a clamping manner, so that the mounting is convenient and the sealing performance is good.

Further, the curved sealing wall has an upward curvature. The stress area is increased, the impact pressure is reduced, and the service life is prolonged.

Further, the upper end face and the lower end face of the bottom wall are both planar, and the upper end face and the lower end face of the clamping ring are both planar, so that the fluid channel can be sealed and blocked, and the sealing performance is improved.

Further, the bottom wall has a thickness greater than the thickness of the side walls and the curved sealing wall. The bottom wall directly seals the fluid passage of the valve seat, high-pressure fluid directly acts on the bottom wall, and the thickness of the bottom wall is large so that the sealing performance of the bottom wall when the bottom wall is closed can be guaranteed.

Further, the spring is arranged between the fixed iron core and the movable iron core, and the coil is arranged on the outer sides of the fixed iron core and the movable iron core. The coil is electrified, and the movable iron core is pushed to move up and down by utilizing electromagnetic induction.

Further, a portion of the valve seat that contacts the liquid is an anticorrosive material, and the anticorrosive material is an anticorrosive resin material. The corrosion resistance of the electromagnetic valve is ensured.

Drawings

FIG. 1 is a half-sectional view of a prior art solenoid valve;

FIG. 2 is a half-sectional view of the solenoid valve in the embodiment of the present invention;

FIG. 3 is a cross-sectional view of a seal in an embodiment of the invention;

fig. 4 is a perspective view of a sealing member in an embodiment of the present invention;

fig. 5 is a perspective view of another perspective view of a sealing member according to an embodiment of the present invention.

In the figure:

1-valve seat, 11-second card slot, 2-electromagnetic driving part, 21-coil, 22-fixed iron core, 23-spring, 24-movable iron core, 241-first card slot, 3-sealing part, 31-bottom wall, 32-side wall, 33-cavity, 34-clamping ring, 35-arc sealing wall, 351-bending part and 36-clamping part.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Referring to fig. 2, the utility model discloses an adopt solenoid valve of integral type sealing member 3, including disk seat 1 and electromagnetic drive portion 2, electromagnetic drive portion 2 includes coil 21 and from last fixed iron core 22, spring 23, the activity iron core 24 that sets up extremely down, spring 23 sets up between fixed iron core 22 and activity iron core 24, coil 21 sets up in the outside of fixed iron core 22, activity iron core 24. The coil 21 is energized to move the movable core 24 up and down by electromagnetic induction. The lower end of the movable iron core 24 extends out of the coil 21 and can extend into the valve seat 1.

Referring to fig. 3-5, the bottom end of the movable core 24 is provided with a sealing member 3, and the sealing member 3 is located between the movable core 24 and the fluid passage of the valve seat 1. Sealing member 3 is integrated into one piece's sealed cushion, includes diapire 31 and the lateral wall 32 that upwards extends along diapire 31, enclose between diapire 31 and the lateral wall 32 and enclose into the cavity 33 that supplies activity iron core 24 male, the cavity 33 inner wall has snap ring 34 along circumference inwards extending, snap ring 34 embedding activity iron core 24, activity iron core 24 outer wall is provided with the first draw-in groove 241 that supplies snap ring 34 embedding along its circumference, snap ring 34 and first draw-in groove 241 interference fit. The outer wall of lateral wall 32 and snap ring 34 junction outwards extends has arc sealed wall 25, arc sealed wall 25 edge downwardly extending has joint portion 36, joint portion 36 embedding disk seat 1, be provided with the second draw-in groove 11 that supplies joint portion 36 card to go into on the disk seat 1,

joint portion

36 and 11 interference fit of second draw-in groove. Sealing member 3 is sealed the cushion by original isolation diaphragm and sealed the pad change integral type, and sealed cushion passes through snap ring 34 and joint portion 36 to be fixed between the fluid passage of activity iron core 24 and disk seat 1, when realizing sealed effect, has reduced a part, saves the cost, simple to operate.

The curved sealing wall 25 has an upwardly curved portion 351. The stress area is increased, the impact pressure is reduced, and the service life is prolonged.

The up end and the lower terminal surface of diapire 31 are planar, the up end and the lower terminal surface of snap ring 34 are planar, guarantee to block up fluid passage, improve the leakproofness.

The bottom wall 31 has a thickness greater than the thickness of the side wall 32 and the curved sealing wall 25. The bottom wall 31 directly seals the fluid passage of the valve seat 1, the high-pressure fluid directly acts on the bottom wall 31, and the thickness of the bottom wall 31 is large so as to ensure the sealing performance when the bottom wall 31 is closed.

The part of the valve seat 1, which is in contact with liquid, is made of an anti-corrosion material, and the anti-corrosion material is an anti-corrosion resin material. The corrosion resistance of the electromagnetic valve is ensured.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. Adopt solenoid valve of integral type sealing member, including disk seat (1) and electromagnetic drive portion (2), electromagnetic drive portion (2) include coil (21) and from last fixed iron core (22), spring (23), the activity iron core (24) that sets up extremely down, the lower extreme of activity iron core (24) stretches out coil (21) and can stretch into disk seat (1), its characterized in that: activity iron core (24) bottom is provided with sealing member (3), sealing member (3) are located between the fluid passage of activity iron core (24) and disk seat (1), sealing member (3) are including integrated into one piece's sealed cushion, including diapire (31) and along diapire (31) lateral wall (32) that upwards extend, enclose between diapire (31) and lateral wall (32) and supply activity iron core (24) male cavity (33), cavity (33) inner wall has snap ring (34) along circumference inwards extending, snap ring (34) embedding activity iron core (24), lateral wall (32) and the outside extension of the outer wall of snap ring (34) handing-over department have arc sealed wall (35), arc sealed wall (35) edge downwardly extending has joint portion (36), joint portion (36) embedding disk seat (1).

2. The solenoid valve employing an integral seal of claim 1, wherein: the movable iron core (24) outer wall is provided with first draw-in groove (241) that supplies snap ring (34) embedding along its circumference, be provided with second draw-in groove (11) that supply joint portion (36) card to go into on disk seat (1).

3. The solenoid valve employing an integral seal of claim 1, wherein: the curved sealing wall (35) has an upwardly curved portion (351).

4. The solenoid valve employing an integral seal of claim 1, wherein: the up end and the lower terminal surface of diapire (31) are planar, the up end and the lower terminal surface of snap ring (34) are planar.

5. The solenoid valve employing an integral seal of claim 1, wherein: the thickness of the bottom wall (31) is larger than the thickness of the side wall (32) and the arc-shaped sealing wall (35).

6. The solenoid valve employing an integral seal of claim 1, wherein: the spring (23) is arranged between the fixed iron core (22) and the movable iron core (24), and the coil (21) is arranged on the outer sides of the fixed iron core (22) and the movable iron core (24).

7. The solenoid valve employing an integral seal of claim 1, wherein: the valve seat (1) is characterized in that the part in contact with liquid is made of an anti-corrosion material, and the anti-corrosion material is an anti-corrosion resin material.