CN220118784U - Internal exhaust type mute oxygen-making valve - Google Patents

Abstract

The utility model belongs to the technical field of electromagnetic valves, in particular to an internal exhaust type mute oxygen-making valve, which aims at the problems that an internal cavity of the existing electromagnetic valve comprises a movable rod and diaphragms at the upper end and the lower end, wherein one diaphragm needs to be hollowed out, air intake is convenient, the integral connection strength is poor, dust in the air is easy to bring into the valve body when the other diaphragm is in air intake and air exhaust, the technical field of the electromagnetic valve is provided with a bottom plate, the internal exhaust type mute oxygen-making valve comprises a bottom plate, the outer wall of the bottom plate is provided with an assembly hole, the inner wall of the assembly hole is in threaded connection with a cross counter bore screw, the bottom plate is fixedly connected with a valve body shell through the cross counter bore screw, the outer wall of the valve body shell is provided with two cavities, and the exhaust system of a mute micro valve is directly connected with a large valve through a plurality of pore canals of a confluence plate, so that the electromagnetic valve has better mute effect, higher working efficiency is not easy to overheat damage when the electromagnetic valve is used, and the service life is prolonged by adopting end face sealing.

Description

Internal exhaust type mute oxygen-making valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to an internal exhaust type mute oxygen-making valve.

Background

Solenoid valves are widely used in various fields of modern industry as a fluid control device. According to the working mode and the action principle, the electromagnetic valve is divided into a plurality of types, wherein one diaphragm valve controls the on-off of the valve port through the deformation of a diaphragm.

In the prior art, the inside cavity of solenoid valve contains movable rod and upper and lower both ends diaphragm and constitutes, and one of them diaphragm needs to make the fretwork design, conveniently admits air, and overall joint strength is poor to another diaphragm is when admitting air and is taking into the dust in the air easily and get into the valve body, when silence micro valve is opened, the piston down moves, near the diaphragm appears gaseous unable exhaust's phenomenon easily, consequently we propose an internal exhaust formula silence oxygen valve for solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the defects that an internal cavity of an electromagnetic valve comprises a movable rod and diaphragms at the upper end and the lower end, wherein one diaphragm needs to be hollowed out, air is conveniently introduced, the integral connection strength is poor, dust in air is easily introduced into the valve body when air is introduced and exhausted by the other diaphragm, particularly when a mute micro valve is opened, a piston moves downwards, and the phenomenon that gas cannot be exhausted easily occurs near the diaphragm, so that the internal exhaust mute oxygen-making valve is provided.

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

the utility model provides an interior exhaust type silence oxygen valve, includes the bottom plate, the mounting hole has been seted up to the outer wall of bottom plate, and the inner wall threaded connection of mounting hole has the cross counter bore screw, the bottom plate passes through cross counter bore screw fixedly connected with valve body shell, two cavitys have been seted up to the inside of valve body shell, the equal fixedly connected with fixing base in inside of two cavitys, the equal sliding connection of inner wall of two cavitys has the movable rod, the bottom fixedly connected with spring of movable rod, the bottom of spring contacts with the outer wall of bottom plate, the inside of valve body shell is equipped with moving mechanism, the outer wall fixedly connected with busbar of valve body shell, the outer wall fixedly mounted of busbar has two silence microvalves, the inside interior row of system that still is equipped with of valve body, interior row system includes busbar, silence microvalve, gas outlet and exhaust hole to link to each other between the air vent, the equal fixedly connected with muffler of valve body inner wall, the mutual through-hole has been seted up between two cavitys, the gas outlet hole links to each other with the molecular sieve.

Preferably, the internal exhaust system further comprises an exhaust channel inside the bus plate and inside the valve body, the exhaust channel comprises an internal exhaust pipeline I connected with the air inlet, the internal exhaust pipeline I is connected with the bus plate through an internal exhaust pipeline II, steel balls are mounted on the outer wall of the bus plate, the steel balls of the bus plate are connected with the steel balls through an internal exhaust pipeline III, the steel balls are connected with the cavity through an internal exhaust pipeline five, and the exhaust hole is connected with the internal exhaust pipeline five through an internal exhaust pipeline four.

Preferably, the moving mechanism comprises two piston fixing seats, the inner walls of the two cavities are respectively provided with a diaphragm, the outer walls of the two piston fixing seats are respectively in sliding connection with the inner walls of the two cavities, the inner walls of the piston fixing seats are extruded with the outer walls of the diaphragms, the inner walls of the piston fixing seats are in sliding connection with pistons, and the movable rods overcome the elasticity of the springs to move downwards through the pistons.

Preferably, a bottom O-shaped ring is arranged between the outer wall of the fixed seat and the inner wall of the cavity, a plurality of sealing gaskets are arranged on the outer wall of the movable rod in a fixed sleeve mode, a plurality of fixed seat O-shaped rings are arranged on the outer wall of the fixed seat in a fixed sleeve mode, sealing performance between the bottom cover and the fixed seat is enhanced through the arrangement of the bottom O-shaped ring, and sealing performance between the fixed seat and the cavity in the valve body shell is enhanced through the fixed seat O-shaped ring.

Preferably, the outer wall of the piston is fixedly sleeved with a Y-shaped ring.

Preferably, the outer wall fixedly connected with of cylinder manifold two upper cover O type circles, the outer wall of two upper cover O type circles contacts with the outer wall of two piston fixing bases respectively, through setting up the leakproofness reinforcing between upper cover and the valve body shell when the upper cover O type circle.

Preferably, a plurality of shrinkage pools are offered to the outer wall of busbar, and the equal threaded connection of inner wall of a plurality of shrinkage pools has cylinder cross socket head cap screw.

Preferably, the inner wall fixedly connected with circular filter screen of gas pocket, two bottom plate O type circles are installed to the outer wall of bottom plate, and the outer wall of two bottom plate O type circles contacts with the outer wall of two fixing bases respectively, filters the dust in the air through setting up circular filter screen.

Compared with the prior art, the utility model has the advantages that:

this scheme is through setting up silence microvalve, spring, movable rod, sealing gasket, fixing base O type circle, diaphragm, piston, Y type circle, upper cover O type circle and piston fixing base, and the diaphragm is overall structure, increases diaphragm joint strength.

According to the scheme, air is filtered through the circular filter screen when air is discharged, dust is prevented from entering the valve body shell, the service life is prolonged, and meanwhile the muffler partially muffles sound generated when air flow enters and is discharged.

This scheme is through interior exhaust system, makes the solenoid valve when using, and silence effect is better, and work efficiency is higher, is difficult for overheated damage, adopts terminal surface seal increase of service life.

Drawings

FIG. 1 is a schematic perspective view of an internal exhaust type mute oxygen generating valve according to the present utility model;

FIG. 2 is a schematic cross-sectional view of an internal exhaust type mute oxygen generating valve according to the present utility model;

FIG. 3 is a schematic diagram of an explosion structure of an internal exhaust type mute oxygen generating valve according to the present utility model;

FIG. 4 is an exploded view of the internal structure of an internal exhaust type mute oxygen generating valve according to the present utility model;

FIG. 5 is a schematic side view of an internal exhaust mute oxygen valve according to the present utility model;

FIG. 6 is a schematic rear view of an internal exhaust mute oxygen valve according to the present utility model;

FIG. 7 is a schematic view of a manifold plate of an internal exhaust type mute oxygen valve according to the present utility model;

FIG. 8 is a schematic diagram of the connection of inner row channels of an inner row system of an inner row type mute oxygen generating valve according to the present utility model.

In the figure: 1. a bottom plate; 2. a fixing seat; 3. a bottom cover O-shaped ring; 4. a movable rod; 5. a sealing gasket; 6. an O-shaped ring of the fixing seat; 7. a membrane; 8. a piston; 9. a Y-shaped ring; 10. an O-shaped ring is covered on the upper cover; 11. a piston fixing seat; 12. a bus plate; 13. a mute micro valve; 14. steel balls; 15. cylindrical cross socket head cap screws; 16. a muffler; 17. a cross countersunk hole screw; 18. a spring; 19. a valve body housing; 20. an air inlet hole; 21. an air outlet; 22. an exhaust hole; 23. an inner drain pipeline I; 24. an inner drain pipeline II; 25. an inner drain pipeline III; 26. inner drain pipes four; 27. and fifthly, discharging pipelines in the inner row.

Detailed Description

The utility model provides a shown by fig. 1-5, relate to an interior row formula silence oxygen-making valve, including bottom plate 1, the mounting hole has been seted up to the outer wall of bottom plate 1, the inner wall threaded connection of mounting hole has cross counter bore screw 17, bottom plate 1 passes through cross counter bore screw 17 fixedly connected with valve body shell 19, two cavitys have been seted up to the outer wall of valve body shell 19, the inside of two cavitys is all fixedly connected with fixing base 2, two bottom plate O type circles are installed to the outer wall of bottom plate 1, the outer wall of two bottom plate O type circles contacts with the outer wall of two fixing bases 2 respectively, bottom O type circle 3 has been placed between the outer wall of fixing base 2 and the inner wall of cavity, the outer wall fixed cover of movable rod 4 is equipped with a plurality of sealing washer 5, the outer wall fixed cover of fixing base 2 is equipped with a plurality of fixing base O type circle 6, the inner wall of two cavitys is all sliding connection with movable rod 4, the bottom fixedly connected with spring 18 of movable rod 4, the bottom of spring 18 contacts with the outer wall of bottom plate 1, spring 18 supports movable rod 4, the inside of valve body shell 19 is equipped with moving mechanism.

As shown in fig. 1-5, the outer wall of the valve body housing 19 is fixedly connected with a bus plate 12, the outer wall of the bus plate 12 is fixedly connected with two upper cover O-shaped rings 10, the outer walls of the two upper cover O-shaped rings 10 are respectively contacted with the outer walls of the two piston fixing seats 11, a plurality of concave holes are formed in the outer wall of the bus plate 12, the inner walls of the concave holes are all in threaded connection with cylindrical cross socket head screws 15, the bus plate 12 is fixedly connected with the valve body housing 2 through the cylindrical cross socket head screws 15, and steel balls 14 are installed on the outer wall of the bus plate 12.

As shown in fig. 1-3, two mute micro valves 13 are fixedly installed on the outer wall of the busbar 12, a plurality of exhaust holes are formed on the outer wall of the busbar 12, a muffler 16 is fixedly connected to the inner walls of the exhaust holes, part of sound generated when air flows into and is exhausted through the muffler 16, a round filter screen is fixedly connected to the inner wall of the air hole, dust in air is filtered by the round filter screen, a mutual through hole is formed between the two cavities, an air inlet hole 20, an air outlet 21 and an exhaust hole 22 are formed on the outer wall of a valve body shell 19, a plurality of serial flow holes are formed on the outer wall of the movable rod 4, the air flows are exhausted from the exhaust hole 21 through the serial flow holes, inner exhaust pipelines are further arranged in the cavities and the busbar 12, each inner exhaust pipe is connected with the air inlet hole, the air outlet and the exhaust hole 22, and steel balls 14 are arranged at the positions of vent holes in the busbar 12, when the inner exhaust mute oxygen making valve works, the air inlet hole 20 is communicated to the busbar 12 through the inner exhaust pipe 23, the busbar 12 is communicated with the air to the small valve, and the exhaust process of the small valve part is as follows: the gas of the small valve is conveyed to the position of the steel balls 14 on the outer wall through the inner discharge pipeline of the confluence plate 12, and the gas enters the inner discharge pipeline IV 26 through the inner discharge pipeline III 25 due to the blocking of the steel balls and finally is discharged through the exhaust hole 22.

As shown in fig. 2-3, the moving mechanism comprises two piston fixing seats 11, the inner walls of the two cavities are respectively provided with a diaphragm 7, the outer walls of the two piston fixing seats 11 are respectively connected with the inner walls of the two cavities in a sliding manner, the inner walls of the piston fixing seats 11 are extruded with the outer walls of the diaphragm 7, the inner walls of the piston fixing seats 11 are connected with pistons 8 in a sliding manner, and Y-shaped rings 9 are fixedly sleeved on the outer walls of the pistons 8.

Working principle: in use, the cavity portion is vented as follows: one of the mute micro valves 13 is opened, the other mute micro valve 13 is closed, the piston 8 drives the diaphragm 7 to move downwards, the diaphragm 7 deforms downwards, air flow enters one of the cavities from the air inlet hole 20, the movable rod 4 moves downwards against the elastic force of the spring 18, air enters the cavity between the piston 8 and the piston fixing seat 11 from the air hole, when the power supply is closed, the spring 18 drives the piston to move upwards, the cavity is closed, and meanwhile, the air in the molecular sieve of the actuating mechanism enters an exhaust channel of the cavity through the air outlet 21 and is exhausted from the exhaust hole.

Connected in parallel with the steel ball is an inner discharge pipe five 27, the other function here is to discharge the gas of the diaphragm part of the internal cavity, when the piston moves up and down, the air of the diaphragm part can enter an inner discharge pipe four 26 through the inner discharge pipe five 27 and finally be discharged through the exhaust hole 22,

the foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.

Claims (8)

1. The utility model provides an interior exhaust type silence oxygen valve, includes bottom plate (1), its characterized in that, the mounting hole has been seted up to the outer wall of bottom plate (1), and the inner wall threaded connection of mounting hole has cross counter bore screw (17), bottom plate (1) is through cross counter bore screw (17) fixedly connected with valve body shell (19), two cavities have been seted up to the inside of valve body shell (19), the inside of two cavities is all fixedly connected with fixing base (2), the equal sliding connection of inner wall of two cavities has movable rod (4), the bottom fixedly connected with spring (18) of movable rod (4), the bottom of spring (18) contacts with the outer wall of bottom plate (1), the inside of valve body shell (19) is equipped with moving mechanism, the outer wall fixedly connected with busbar (12) of valve body shell (19), the outer wall fixed mounting of busbar (12) has two silence micro-valves (13), the inside of still being equipped with of valve body, interior row system includes busbar (12), silence micro-valve (21) and exhaust hole (22) to link to each other with the air vent, link to each other with each other between two vent holes, the through-hole is seted up between each other with molecular sieve.

2. An internal exhaust mute oxygen valve as claimed in claim 1, wherein the internal exhaust system further comprises an exhaust passage inside the bus plate (12) and inside the valve body, the exhaust passage comprises an internal exhaust pipe one (23) connected with the air inlet hole (20), the internal exhaust pipe one (23) is connected with the bus plate (12) through an internal exhaust pipe two (24), the steel balls (14) are mounted on the outer wall of the bus plate (12), the steel balls (14) of the bus plate (12) are connected with the steel balls (14) through an internal exhaust pipe three (25), the steel balls (14) are connected with the cavity through an internal exhaust pipe five (27), and the exhaust hole (22) is connected with the internal exhaust pipe five (27) through an internal exhaust pipe four (26).

3. The internal exhaust type mute oxygen-making valve according to claim 1, wherein the moving mechanism comprises two piston fixing seats (11), the inner walls of the two cavities are respectively provided with a diaphragm (7), the outer walls of the two piston fixing seats (11) are respectively in sliding connection with the inner walls of the two cavities, the inner walls of the piston fixing seats (11) are extruded with the outer walls of the diaphragm (7), and the inner walls of the piston fixing seats (11) are in sliding connection with a piston (8).

4. The inner exhaust type mute oxygen-making valve according to claim 1, wherein a bottom cover O-shaped ring (3) is arranged between the outer wall of the fixed seat (2) and the inner wall of the cavity, a plurality of sealing gaskets (5) are fixedly sleeved on the outer wall of the movable rod (4), and a plurality of fixed seat O-shaped rings (6) are fixedly sleeved on the outer wall of the fixed seat (2).

5. An internal exhaust mute oxygen-making valve as claimed in claim 3, characterised in that the outer wall of the piston (8) is fixedly sleeved with a Y-shaped ring (9).

6. The internal exhaust type mute oxygen-generating valve according to claim 2, wherein the outer wall of the confluence plate (12) is fixedly connected with two upper cover O-shaped rings (10), and the outer walls of the two upper cover O-shaped rings (10) are respectively contacted with the outer walls of the two piston fixing seats (11).

7. The internal exhaust type mute oxygen-generating valve according to claim 1, wherein the outer wall of the bus plate (12) is provided with a plurality of concave holes, and the inner walls of the concave holes are connected with cylindrical socket head cap screws (15) in a threaded manner.

8. The internal exhaust type mute oxygen-making valve according to claim 1, wherein the inner wall of the air hole is fixedly connected with a round filter screen, two bottom plate O-shaped rings are arranged on the outer wall of the bottom plate (1), and the outer walls of the two bottom plate O-shaped rings are respectively contacted with the outer walls of the two fixing seats (2).