CN220151901U

CN220151901U - Electromagnetic valve with multistage sealing structure

Info

Publication number: CN220151901U
Application number: CN202320402153.3U
Authority: CN
Inventors: 徐波杰
Original assignee: Yuyao Feng Rui Electrical Appliance Co ltd
Current assignee: Yuyao Feng Rui Electrical Appliance Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-12-08
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to the technical field of electromagnetic valves and discloses an electromagnetic valve with a multistage sealing structure, which comprises a first shell, wherein a fixed iron core is arranged in the first shell, baffles are arranged on two sides of the fixed iron core, a movable groove is formed in the inner wall of the bottom end of the first shell, one end of a fixed block is fixedly arranged on two side walls of the inner part of the movable groove, a sealing ring I is fixedly arranged at the other end of the fixed block, a second shell is arranged at the lower end of the first shell, a valve seat is arranged at the lower end of the first shell, a movable iron core is arranged in the movable groove, a sealing ring II is arranged on the outer wall of the movable iron core, and a second shell is arranged outside the valve seat. This solenoid valve with multistage seal structure, through having set up shell one, shell two, apron, fixture block, shell one's setting makes fixed iron core and spring also be in sealed environment, has played the guard action, when not using, seals valve port one and valve port two through the apron, plays the guard action.

Description

Electromagnetic valve with multistage sealing structure

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve with a multistage sealing structure.

Background

The electromagnetic valve is an electromagnetic control industrial device, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic and pneumatic, 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, can ensure the control precision and flexibility, has a plurality of types, and can play roles in different positions of the control system, and the most commonly used electromagnetic valve is a one-way valve, a safety valve, a directional control valve, a speed regulating valve and the like.

The electromagnetic valve with the multistage sealing structure is disclosed by retrieval (CN 216951691U), and comprises a shell 1, a first valve port 101, a second valve port 102, a communication port 103, a limit ring groove 104, a protruding part 105, a through hole 106, a sealing groove 107, a sealing structure 2, a penetrating opening 201, a sealing ring groove 202, a clamping ring groove 203 and an electromagnetic valve core 3; the electromagnetic valve is provided with a plurality of blocking pieces which are uniformly distributed and have different lengths and correspond to the positions and the sizes of the through holes, the electric quantity of the coil is controlled, the fixed iron core drives the electromagnetic valve core to move at different distances, the number of the through holes blocked by the blocking pieces is different, and therefore, the flow of the position of the through holes is controlled.

However, the whole device is exposed at the outer end, so that the whole sealing performance is poor, and the external impurities influence the fixed iron core, the spring and the valve seat when the electromagnetic valve is used for a long time or in an extreme environment.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a solenoid valve with a multistage sealing structure, which solves the problem that the whole sealing performance of the solenoid valve is poor due to the fact that the whole solenoid valve is exposed at the outer end in the background technology, so that external impurities affect a fixed iron core, a spring and a valve seat when the solenoid valve is used for a long time or in an extreme environment.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a solenoid valve with multistage seal structure, includes shell one, shell one's inside is provided with decides the iron core, the both sides of deciding the iron core set up the baffle, the one end of baffle is fixed to be set up at shell one's inside topmost, the removal groove has been seted up to shell one's bottom inner wall, the one end that fixedly is provided with the fixed block on moving groove's the inside both sides wall, the other end of fixed block is fixed and is provided with sealing ring one, shell one's lower extreme is provided with shell two, shell one's lower extreme is provided with the disk seat, the inside of removal groove be provided with movable core, movable core's outer wall is provided with sealing ring two, the screw has been seted up to the both sides of sealing ring two, the mounting groove corresponding with the screw is seted up to the outside of disk seat is provided with shell two, sealing ring one's inner wall and movable core outer wall closely laminate, sealing ring two's inner wall and case outer wall closely laminate.

Preferably, the lower extreme of deciding the iron core is provided with the spring, the spring lower extreme is provided with and moves the iron core, the one end of spring is fixed to be set up at the lower extreme of deciding the iron core, the other end of spring is fixed to be set up at the top of moving the iron core, the lower extreme of moving the iron core is provided with the case, it is in same vertical line to decide the iron core, move the respective central line of iron core and case, has bounced back through the spring, makes and moves iron core and case can return.

Preferably, the standing groove has been seted up to the bottom of shell one, the fixed plate that is provided with of upper end of standing groove, the upper end of fixed plate is provided with the electro-magnet, and the standing groove has played the supporting role to the fixed plate.

Preferably, the electromagnet and the fixed plate are of an integrated structure, a coil is arranged in the electromagnet, two electromagnets are arranged on the two sides of the movable iron core, and the fixed plate plays a supporting role on the electromagnet.

Preferably, the inside left side of valve seat is provided with the valve port one, the inside right side of valve seat is provided with the valve port two, two side walls of shell two have been seted up with valve port one and two corresponding square grooves of valve port, the inside in square groove is provided with the fixture block, the upper end of fixture block is provided with the apron, and apron and fixture block are integrated into one piece structure, and the setting of apron provides sealed and guard action.

Preferably, the inner wall of the first sealing ring is in rough arrangement, the inner wall of the second sealing ring is in rough arrangement, bolts are arranged in the screw holes and the mounting grooves, and the bolts fix the second sealing ring through the screw holes and the mounting grooves.

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

this solenoid valve with multistage seal structure, through having set up shell one, shell two, apron, fixture block, shell one's setting makes and decides iron core and spring also be in sealed environment, has played the guard action, advances the square groove through the fixture block card when not using, and then the apron can seal the guard action with valve port one and valve port two.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of a two-dimensional structure of a seal ring according to the present utility model;

FIG. 3 is a schematic view of a seal ring according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

FIG. 6 is a schematic view of a two-part perspective structure of the housing of the present utility model;

fig. 7 is a schematic perspective view of a cover plate and a clamping block according to the present utility model.

In the figure: 1. a first shell; 2. fixing an iron core; 3. a baffle; 4. a spring; 5. an electromagnet; 6. a coil; 7. a movable iron core; 8. a valve core; 9. a fixed block; 10. a first sealing ring; 11. a valve seat; 12. a valve port I; 13. a second valve port; 14. a second sealing ring; 15. a screw hole; 16. a mounting groove; 17. a bolt; 18. a placement groove; 19. a fixing plate; 20. a second shell; 21. a square groove; 22. a cover plate; 23. a clamping block; 24. and a moving groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, the present utility model provides a technical solution: the electromagnetic valve with the multistage sealing structure comprises a first shell 1, a fixed iron core 2 is arranged in the first shell 1, baffles 3 are arranged on two sides of the fixed iron core 2, one end of each baffle 3 is fixedly arranged at the topmost end in the first shell 1, a movable groove 24 is formed in the inner wall of the bottom end of the first shell 1, one end of a fixed block 9 is fixedly arranged on two inner side walls of the movable groove 24, a sealing ring 10 is fixedly arranged at the other end of the fixed block 9, a second shell 20 is arranged at the lower end of the first shell 1, a valve seat 11 is arranged at the lower end of the first shell 1, a movable iron core 7 is arranged in the movable groove 24, a sealing ring 14 is arranged on the outer wall of the movable iron core 7, screw holes 15 are formed in two sides of the sealing ring 14, an installation groove 16 corresponding to the screw holes 15 is formed in the valve seat 11, the second shell 20 is arranged outside the valve seat 11, the inner wall of the sealing ring 10 is tightly attached to the outer wall of the movable iron core 7, and the inner wall of the sealing ring 14 is tightly attached to the outer wall of the valve core 8;

the lower end of the fixed iron core 2 is provided with a spring 4, the lower end of the spring 4 is provided with a movable iron core 7, one end of the spring 4 is fixedly arranged at the lower end of the fixed iron core 2, the other end of the spring 4 is fixedly arranged at the top end of the movable iron core 7, the lower end of the movable iron core 7 is provided with a valve core 8, the central lines of the fixed iron core 2, the movable iron core 7 and the valve core 8 are positioned on the same vertical line, the bottom end of the first shell 1 is provided with a placing groove 18, the upper end of the placing groove 18 is fixedly provided with a fixed plate 19, the upper end of the fixed plate 19 is provided with an electromagnet 5, the movement of the movable iron core 7 is limited by the arrangement of the spring 4, and meanwhile, when the device is not in a normal state, the spring 4 is under the gravity action of the movable iron core 7 and the valve seat 11, the spring 4 is stretched, so that the valve seat 11 is positioned in the second sealing ring 14;

the electromagnet 5 and the fixed plate 19 are of an integrated structure, the coil 6 is arranged in the electromagnet 5, the two electromagnets 5 are arranged on two sides of the movable iron core 7, the valve port I12 is arranged on the leftmost side in the valve seat 11, the valve port II 13 is arranged on the rightmost side in the valve seat 11, square grooves 21 corresponding to the valve port I12 and the valve port II 13 are formed in two side walls of the shell II 20, a clamping block 23 is arranged in the square grooves 21, a cover plate 22 is arranged at the upper end of the clamping block 23, the cover plate 22 and the clamping block 23 are of an integrated structure, the inner wall of the sealing ring I10 is in rough arrangement, the inner wall of the sealing ring II 14 is in rough arrangement, bolts 17 are arranged in the screw holes 15 and the mounting grooves 16, the inner wall of the sealing ring I10 is in rough arrangement, the inner wall of the sealing ring II 14 is in rough arrangement, so that the bonding degree is good, and the sealing degree is further maintained.

Working principle: firstly, when not in use, the first valve port 12 and the second valve port 13 are sealed through the cover plate 22 and the clamping block 23, the cover plate 22 is opened during operation, the coil 6 is electrified, the valve core 8 moves different distances through adjusting the current of the coil 6, then the spring 4 rebounds, the valve core 8 returns to the initial position of the device, and the valve core 8 moves up and down in the process, so that the effect of controlling the flow between the first valve port 12 and the second valve port 13 is achieved.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. Solenoid valve with multistage seal structure, including shell one (1), its characterized in that: the inside of shell one (1) is provided with decides iron core (2), the both sides of deciding iron core (2) set up baffle (3), the inside of baffle (3) is fixed to be set up at the inside topmost of shell one (1), removal groove (24) have been seted up to the bottom inner wall of shell one (1), the one end that fixedly is provided with fixed block (9) on the inside both sides wall of removal groove (24), the other end of fixed block (9) is fixed to be provided with sealing ring one (10), the lower extreme of shell one (1) is provided with shell two (20), the lower extreme of shell one (1) is provided with disk seat (11), the inside of removal groove (24) be provided with movable iron core (7), the outer wall of movable iron core (7) is provided with sealing ring two (14), screw (15) have been seted up to the both sides of sealing ring two (14), mounting groove (16) corresponding with screw (15) have been seted up to disk seat (11), the outside of disk seat (11) is provided with shell two (20).

2. A solenoid valve having a multistage seal structure according to claim 1, wherein: the lower extreme of deciding iron core (2) is provided with spring (4), spring (4) lower extreme is provided with moves iron core (7), the one end of spring (4) is fixed to be set up in the lower extreme of deciding iron core (2), the other end of spring (4) is fixed to be set up in the top of moving iron core (7), the lower extreme of moving iron core (7) is provided with case (8), it is in same vertical line to decide iron core (2), move each central line of iron core (7) and case (8).

3. A solenoid valve having a multistage seal structure according to claim 2, wherein: the bottom of shell one (1) has seted up standing groove (18), the upper end of standing groove (18) is fixed to be provided with fixed plate (19), the upper end of fixed plate (19) is provided with electro-magnet (5).

4. A solenoid valve having a multistage seal according to claim 3 wherein: the electromagnet (5) and the fixing plate (19) are of an integrated structure, a coil (6) is arranged in the electromagnet (5), two electromagnets (5) are arranged, and the two electromagnets (5) are located on two sides of the movable iron core (7).

5. A solenoid valve having a multi-stage sealing structure according to claim 4, wherein: the valve seat is characterized in that a valve port I (12) is arranged on the leftmost side of the inside of the valve seat (11), a valve port II (13) is arranged on the rightmost side of the inside of the valve seat (11), square grooves (21) corresponding to the valve port I (12) and the valve port II (13) are formed in two side walls of the housing II (20), clamping blocks (23) are arranged in the square grooves (21), a cover plate (22) is arranged at the upper end of each clamping block (23), and the cover plate (22) and the clamping blocks (23) are of an integrated structure.

6. A solenoid valve having a multi-stage sealing structure according to claim 5, wherein: the inner wall of the first sealing ring (10) is in rough arrangement, the inner wall of the second sealing ring (14) is in rough arrangement, and bolts (17) are arranged in the screw holes (15) and the mounting grooves (16).