CN213117638U

CN213117638U - Composite exhaust valve with stable performance

Info

Publication number: CN213117638U
Application number: CN202021582853.8U
Authority: CN
Inventors: 叶嘉添
Original assignee: Zhejiang Huayun Fluid Technology Co ltd
Current assignee: Zhejiang Huayun Fluid Technology Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-05-04
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a combined type discharge valve of stable performance, which comprises a valve body, valve body lower extreme fixedly connected with water inlet, the filter screen is prevented blockking up by the inside fixed being provided with of water inlet, four connecting rods of valve body inside wall lower extreme fixedly connected with, the one end fixedly connected with ball seat of valve body is kept away from to four connecting rods, the through-hole has been seted up to the inside fixing of ball seat, the inside slip of through-hole is provided with the guide bar, guide bar upper end fixedly connected with floater, the fixed valve gap that is provided with in valve body upper end, the section of thick. The utility model discloses a combined type discharge valve of stable performance, discharge valve's stability is higher, and exhaust effect is better, has high-speed exhaust not to blow stifled, prevents to close valve water hammer, and the throttle is discharged, guarantees safe filling water speed and prevents to close advantages such as water hammer, has improved discharge valve's stability greatly, and it is more convenient to use, and safe and reliable is worth promoting.

Description

Composite exhaust valve with stable performance

Technical Field

The utility model relates to an exhaust valve technical field especially relates to a combined type exhaust valve of stable performance.

Background

The composite exhaust valve is used at the highest point or a place with closed air on a drainage pipeline, and is used for dredging the pipeline by exhausting air in the pipeline to achieve normal work.

The existing composite exhaust valve has only one air outlet, gas generated in the water delivery process needs to be discharged from the water outlet, a large amount of exhaust is not needed when the water delivery pipeline is normally conveyed, only a small amount of air is gathered in the valve, the composite exhaust valve still exhausts at the moment, the stainless steel floating ball is caused to frequently do lifting exhaust actions, the service life of the stainless steel floating ball is shortened, the floating ball is easy to impact a valve body, the stability and the service life of the valve body are influenced, the existing exhaust valve is also easy to generate a water hammer phenomenon, the water hammer phenomenon causes the extension of overpressure and negative pressure in the pipeline, a water tank and a hose are damaged, the exhaust valve is in soft connection and welding in the system, and huge noise and vibration in the pipeline further influence the stability of the exhaust valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a composite exhaust valve with stable performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a composite exhaust valve with stable performance comprises a valve body, wherein the lower end of the valve body is fixedly connected with a water inlet, an anti-blocking filter screen is fixedly arranged inside the water inlet, the lower end of the inner side wall of the valve body is fixedly connected with four connecting rods, one ends of the four connecting rods, which are far away from the valve body, are fixedly connected with a ball seat, through holes are fixedly formed inside the ball seat, a guide rod is slidably arranged inside the through holes, a floating ball is fixedly connected at the upper end of the guide rod, a valve cover is fixedly arranged at the upper end of the valve body, a filter cartridge is fixedly connected at the upper end of the valve cover, a rain cover is fixedly connected at the upper end of the filter cartridge, a throttling barrel is fixedly connected at the middle part of the upper end face of the valve cover, a throttling plug is, the ball valve is fixedly arranged in the middle of the first connecting pipe, one end of the first connecting pipe, far away from the connecting seat, is fixedly connected with an elbow, one end of the elbow, far away from the first connecting pipe, is fixedly connected with a second connecting pipe, and one end of the second connecting pipe, far away from the elbow, is fixedly connected with a micro exhaust valve.

As a further description of the above technical solution:

the water inlet outer wall lower extreme fixedly connected with mounting panel, a plurality of first mounting holes have been fixed to the mounting panel outside.

As a further description of the above technical solution:

a plurality of second mounting holes are fixedly formed in the side edge of the valve cover, and first fastening bolts are fixedly arranged in the second mounting holes.

As a further description of the above technical solution:

a circular through hole is fixedly formed in the middle of the valve cover, and a sealing ring is fixedly arranged at the upper end of the middle of the valve cover.

As a further description of the above technical solution:

the side wall of the filter cylinder is fixedly provided with a plurality of drainage holes.

As a further description of the above technical solution:

a plurality of second fastening bolts are fixedly arranged on the upper end of the rain cover.

As a further description of the above technical solution:

and a limber hole is fixedly formed in the middle of the throttle plug.

The utility model discloses following beneficial effect has:

the utility model provides a combined type discharge valve of stable performance adopts the combined type setting of two exhaust holes, and the macropore is used for getting rid of a large amount of gas, adopts little air vent to exhaust in a small amount of gas, makes discharge valve's stability higher, and exhaust effect is better, can not lead to discharge valve internal pressure too high because of gaseous too much, and influences discharge valve's use.

When filling water in the pipeline, the air current passes through the water inlet and gets into the valve body, enters into valve body upper portion between valve body and the ball seat along, and the rethread protects bucket, circular through-hole, throttle plug and the passageway between the throttle bucket, strains a section of thick bamboo, rain-proof lid, discharges the atmosphere, has high-speed exhaust not to blow stifled, prevents to close valve water hammer, and the throttle is discharged, guarantees safe water filling speed and prevents to close advantages such as water hammer, has improved discharge valve's stability greatly, and it is more convenient to use, safe and reliable.

The floater bottom sets up guide bar and ball seat, striking valve body when can avoiding the floater motion, influences the stability and the life of valve body, prevents that the jam filter screen can filter the impurity in the liquid, prevents that impurity from getting into the valve body inside and causing the harm to the valve body, reduces discharge valve's life.

Drawings

Fig. 1 is a front sectional view of a composite exhaust valve with stable performance provided by the present invention;

fig. 2 is a front view of a composite exhaust valve with stable performance according to the present invention;

fig. 3 is a top view of the composite exhaust valve with stable performance provided by the present invention.

Illustration of the drawings:

1. a water inlet; 2. a blocking-proof filter screen; 3. a valve body; 4. a connecting seat; 5. a first connecting pipe; 6. a ball valve; 7. bending the pipe; 8. a second connecting pipe; 9. a micro exhaust valve; 10. a first fastening bolt; 11. a filter cartridge; 12. a drain hole; 13. a rain cover; 14. a second fastening bolt; 15. a water through hole; 16. a throttle plug; 17. a spring; 18. a throttling barrel; 19. a valve cover; 20. a floating ball; 21. a guide bar; 22. a first mounting hole; 23. mounting a plate; 24. a connecting rod; 25. a ball seat; 26. a through hole; 27. a circular through hole; 28. a seal ring; 29. and a second mounting hole.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a composite exhaust valve with stable performance comprises a valve body 3, wherein the lower end of the valve body 3 is fixedly connected with a water inlet 1, an anti-clogging filter screen 2 is fixedly arranged inside the water inlet 1, the lower end of the inner side wall of the valve body 3 is fixedly connected with four connecting rods 24, one end of each connecting rod 24, which is far away from the valve body 3, is fixedly connected with a ball seat 25, a through hole 26 is fixedly arranged inside the ball seat 25, a guide rod 21 is slidably arranged inside the through hole 26, a floating ball 20 is fixedly connected at the upper end of the guide rod 21, a valve cover 19 is fixedly arranged at the upper end of the valve body 3, a filter cartridge 11 is fixedly connected at the upper end of the filter cartridge 11, a rain cover 13 is fixedly connected at the middle part of the upper end face of the valve cover 19, a throttle barrel 18 is slidably arranged inside the throttle barrel 18, a spring 17, the ball valve 6 is fixedly arranged in the middle of the first connecting pipe 5, one end of the first connecting pipe 5, far away from the connecting seat 4, is fixedly connected with an elbow 7, one end of the elbow 7, far away from the first connecting pipe 5, is fixedly connected with a second connecting pipe 8, and one end of the second connecting pipe 8, far away from the elbow 7, is fixedly connected with a micro exhaust valve 9.

1 outer wall lower extreme fixedly connected with mounting panel 23 of water inlet, a plurality of first mounting holes 22 have been fixed to have seted up in the mounting panel 23 outside, a plurality of second mounting holes 29 have been fixed to have seted up to valve gap 19 side, a plurality of second mounting holes 29 are inside all fixed to be provided with first fastening bolt 10, circular through-hole 27 has been fixed to have seted up in valve gap 19 middle part, valve gap 19 middle part upper end is fixed and is provided with sealing washer 28, it has seted up a plurality of wash ports 12 to strain a section of thick bamboo 11 lateral wall is fixed, the fixed a plurality of second fastening bolt 14 that are provided with in rain-proof lid 13 upper end.

The working principle is as follows: when the exhaust valve is used, the exhaust valve is arranged on a pipeline through the mounting plate 23, a large amount of gas is discharged outwards when water is firstly introduced into the pipeline, the gas enters the inside of the valve body 3 through the water inlet 1, then enters the upper part of the valve body 3 along the space between the valve body 3 and the ball seat 25, and then is discharged into the atmosphere through the circular through hole 27, the channel between the throttling plug 16 and the throttling barrel 18, the filter cartridge 11 and the rain cover 13, after the gas is discharged, liquid enters the inside of the valve body 3 to float the floating ball 20, the floating ball 20 moves upwards and finally is in close contact with the sealing ring 28, gas can be naturally generated in the pipeline during normal operation of the pipeline, the small amount of gas reaches the inside of the micro exhaust valve 9 through the first connecting pipe 5, the elbow 7 and the second connecting pipe 8 and is discharged through the micro exhaust valve 9, when a large amount of air is required in the pipeline, the floating ball 20 descends, ensure pipeline safety, floater 20 bottom sets up guide bar 21 and ball seat 25, striking valve body 3 when can avoiding the floater 20 motion, influences valve body 3's stability and life, prevents that the jam filter screen 2 can filter the impurity in the liquid, prevents that impurity from getting into valve body 3 inside and causing the harm to valve body 3, reduces discharge valve's life.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a combined type discharge valve of stable performance, includes valve body (3), its characterized in that: the anti-blocking filter is characterized in that a water inlet (1) is fixedly connected to the lower end of the valve body (3), an anti-blocking filter screen (2) is fixedly arranged inside the water inlet (1), four connecting rods (24) are fixedly connected to the lower end of the inner side wall of the valve body (3), one ends, far away from the valve body (3), of the four connecting rods (24) are fixedly connected with a ball seat (25), a through hole (26) is fixedly formed inside the ball seat (25), a guide rod (21) is arranged inside the through hole (26) in a sliding mode, a floating ball (20) is fixedly connected to the upper end of the guide rod (21), a valve cover (19) is fixedly arranged on the upper end of the valve body (3), a filter cartridge (11) is fixedly connected to the upper end of the filter cartridge (11), a rain cover (13) is fixedly connected to the upper end face of, throttle plug (16) lower extreme fixedly connected with spring (17), valve body (3) a lateral wall upper end fixedly connected with connecting seat (4), the first connecting pipe (5) of one end fixedly connected with of valve body (3) are kept away from in connecting seat (4), first connecting pipe (5) middle part is fixed and is provided with ball valve (6), the one end fixedly connected with elbow (7) of connecting seat (4) are kept away from in first connecting pipe (5), the one end fixedly connected with second connecting pipe (8) of first connecting pipe (5) are kept away from in elbow (7), the one end fixedly connected with micro exhaust valve (9) of elbow (7) are kept away from in second connecting pipe (8).

2. The composite vent valve of claim 1, wherein: the water inlet (1) outer wall lower extreme fixedly connected with mounting panel (23), a plurality of first mounting holes (22) have been fixed to the mounting panel (23) outside.

3. The composite vent valve of claim 1, wherein: a plurality of second mounting holes (29) are fixedly formed in the side edge of the valve cover (19), and first fastening bolts (10) are fixedly arranged in the second mounting holes (29).

4. The composite vent valve of claim 1, wherein: a circular through hole (27) is fixedly formed in the middle of the valve cover (19), and a sealing ring (28) is fixedly arranged at the upper end of the middle of the valve cover (19).

5. The composite vent valve of claim 1, wherein: the side wall of the filter cylinder (11) is fixedly provided with a plurality of drainage holes (12).

6. The composite vent valve of claim 1, wherein: a plurality of second fastening bolts (14) are fixedly arranged at the upper end of the rain cover (13).

7. The composite vent valve of claim 1, wherein: the middle part of the throttle plug (16) is fixedly provided with a limber hole (15).