CN213117637U

CN213117637U - High-pressure combined type exhaust valve

Info

Publication number: CN213117637U
Application number: CN202021582851.9U
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 high-pressure combined type discharge valve, which comprises a valve body, valve body lower extreme fixedly connected with water inlet, the inside fixed filter screen that is provided with of water inlet, two connecting blocks of valve body inside wall middle part fixedly connected with, fixedly connected with protects a section of thick bamboo between two connecting blocks, the fixed valve gap that is provided with in valve body upper end, valve gap upper end fixedly connected with valve frame, valve frame upper end fixedly connected with exhaust hood, protect a spacing bucket of upper end middle part fixedly connected with, the inside fixedly connected with spacing ring of spacing bucket, the fixed guide pillar that is provided with in spacing ring middle part. The utility model discloses a high pressure combined type discharge valve uses macropore exhaust gas to a large amount of gas, uses micro exhaust valve to exhaust to a small amount of gas to accomplish the exhaust of both approaches, make no gas exist in the pipeline, compressive capacity is strong, and is effectual to discharge valve's protection, can adapt to the environment of higher pressure, is worth promoting.

Description

High-pressure combined type exhaust valve

Technical Field

The utility model relates to an exhaust valve technical field especially relates to a high pressure combined type exhaust valve.

Background

The exhaust valve is mainly installed at a high point of the water conveying pipeline and used for exhausting gas in the pipeline, when gas overflows on the water conveying pipeline, the gas can climb upwards along the pipeline to enter a valve cavity of the exhaust valve and gather at the upper part of the exhaust valve, the pressure rises along with the increase of the gas in the valve, when the gas pressure is higher than the system pressure, the gas can enable the water surface in the cavity to fall, the floater falls along with the water level, and the exhaust port is opened; after the gas is exhausted, the water level rises, the buoy also rises along with the water level, the exhaust port is closed, similarly, when negative pressure is generated in the system, the water level in the valve cavity drops, the exhaust port is opened, and at the moment, the external atmospheric pressure is higher than the system pressure, so that the atmosphere can enter the system through the exhaust port, and the negative pressure is prevented from being damaged.

The prior common air valve adopts the mode that a high-speed exhaust port and a high-speed air suction port are the same hole opening and can not be independently selected, the traditional high-speed exhaust hole has large caliber and can not be adjusted and controlled, the hole opening of an air suction hole is relatively small, the air suction quantity is obviously insufficient, the negative pressure risk is high, the micro exhaust hole is single and small, only has one size and can not meet the micro exhaust requirement of a large pipe, when a pipeline or a container system is empty pipe is filled with liquid, the high-speed exhaust hole exhausts at high speed, a certain air pressure difference can be generated at the hole opening, when the air pressure difference is large, a floating ball of a common high-speed exhaust valve or a combined exhaust valve can be blown by high-speed airflow to float upwards to block the high-speed exhaust large hole opening, so that the high-speed exhaust valve stops high-speed exhaust in advance, most of gas in the pipeline or the container, seriously affecting the infusion efficiency of the pipeline or the liquid filling amount of the container.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-pressure composite exhaust valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-pressure combined exhaust valve comprises a valve body, wherein a water inlet is fixedly connected to the lower end of the valve body, a filter screen is fixedly arranged in the water inlet, two connecting blocks are fixedly connected to the middle of the inner side wall of the valve body, a protective cylinder is fixedly connected between the two connecting blocks, a valve cover is fixedly arranged at the upper end of the valve body, a valve frame is fixedly connected to the upper end of the valve cover, an exhaust hood is fixedly connected to the upper end of the valve frame, a limiting barrel is fixedly connected to the middle of the upper end surface of the valve cover, a limiting ring is fixedly connected to the inner part of the limiting barrel, a guide pillar is fixedly arranged at the middle part of the limiting ring, a floating ball is fixedly connected to the lower end of the guide pillar, the floating ball slides in the protective cylinder, a butt joint, one end of the elbow pipe, which is far away from the connecting pipe, is fixedly connected with a micro exhaust valve through a pipeline.

As a further description of the above technical solution:

the outer wall of the lower end of the water inlet is fixedly connected with a flange plate, and a plurality of mounting holes are fixedly formed in the outer side of the flange plate.

As a further description of the above technical solution:

the valve body is fixedly connected with the valve cover through a plurality of second fastening bolts.

As a further description of the above technical solution:

the valve cover is characterized in that a through hole is formed in the middle of the valve cover, and an annular sealing gasket is fixedly connected to the lower end of the middle of the valve cover.

As a further description of the above technical solution:

a plurality of first fastening bolts are fixedly arranged at the upper end of the exhaust hood.

As a further description of the above technical solution:

a plurality of first air vents are fixedly formed in the outer side of the limiting ring.

As a further description of the above technical solution:

a plurality of second vent holes are fixedly formed in the side wall of the valve frame.

The utility model discloses following beneficial effect has:

the utility model provides a pair of high pressure combined type discharge valve, be equipped with one big or little two air vents, the pipeline is logical water for the first time and has a large amount of gas toward arranging outward, these gases are discharged from the macropore, after gaseous row, the macropore stops the exhaust, liquid gets into in the valve body, can let the floater float when liquid reaches a certain amount, and seal the disk seat, start micro exhaust valve this moment, realize the emission to surplus gas in the valve body, thereby accomplish the exhaust of both approaches, make no gas exist in the pipeline, when needing a large amount of tonifying qi in the pipeline, the floater is gone with the water and is descended, it drives the macropore and admits air in a large number to open the aperture and ensures pipeline safety.

This discharge valve is equipped with the more little air vent in guide bar and upper portion, can be with the gaseous slower valve body of getting rid of, cause valve body pressure too big when avoiding a large amount of gas to get rid of fast, compressive capacity is stronger, it is better to discharge valve's protection effect, and simultaneously, the higher material preparation of compressive capacity is used to the preparation material of valve body, further strengthen discharge valve's compressive capacity, macropore and aperture cooperation are exhausted, exhaust capacity is stronger, make this discharge valve's application scope wider, can adapt to the environment of higher pressure, be worth promoting.

The guide rod and the U-shaped protective cylinder can limit the movement of the floating ball, so that the sealing effect of the exhaust valve is more accurate and tight, the floating ball can be subjected to the action of a buffer force, the filter screen can filter impurities in liquid, the impurities are prevented from entering the valve body and causing damage to the valve body, and the service life of the exhaust valve is shortened.

Drawings

Fig. 1 is a front sectional view of a high-pressure composite exhaust valve according to the present invention;

fig. 2 is a structural diagram of a limiting ring of the high-pressure combined exhaust valve of the present invention;

fig. 3 is an enlarged view of fig. 1-a according to the present invention.

Illustration of the drawings:

1. a water inlet; 2. a valve body; 3. protecting the cylinder; 4. connecting blocks; 5. a butt joint; 6. a connecting pipe; 7. bending the connecting pipe; 8. a micro exhaust valve; 9. a valve cover; 10. an exhaust hood; 11. a first fastening bolt; 12. a limiting barrel; 13. a guide post; 14. a limiting ring; 15. a valve frame; 16. a filter screen; 17. a flange plate; 18. mounting holes; 19. a first vent hole; 20. a second fastening bolt; 21. a second vent hole; 22. an annular seal; 23. a floating ball.

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 high-pressure combined exhaust valve comprises a valve body 2, a water inlet 1 is fixedly connected to the lower end of the valve body 2, a filter screen 16 is fixedly arranged inside the water inlet 1, two connecting blocks 4 are fixedly connected to the middle part of the inner side wall of the valve body 2, a protective barrel 3 is fixedly connected between the two connecting blocks 4, a valve cover 9 is fixedly arranged at the upper end of the valve body 2, a valve frame 15 is fixedly connected to the upper end of the valve cover 9, an exhaust hood 10 is fixedly connected to the upper end of the valve frame 15, a limiting barrel 12 is fixedly connected to the middle part of the upper end face of the valve cover 9, a limiting ring 14 is fixedly connected to the inside of the limiting barrel 12, a guide pillar 13 is fixedly arranged at the middle part of the limiting ring 14, a floating ball 23 is fixedly connected to the lower end of the guide pillar 13, the floating ball 23 slides in the protective, one end of the elbow pipe 7 far away from the connecting pipe 6 is fixedly connected with a micro exhaust valve 8 through a pipeline.

1 lower extreme outer wall fixedly connected with ring flange 17 of water inlet, a plurality of mounting holes 18 have been fixed to have seted up in the ring flange 17 outside, valve body 2 passes through a plurality of second fastening bolt 20 fixed connection with valve gap 9, the through-hole has been seted up at valve gap 9 middle part, the sealed 22 of valve gap 9 middle part lower extreme fixedly connected with annular seal, the fixed a plurality of first fastening bolt 11 that are provided with in exhaust hood 10 upper end, a plurality of first air vents 19 have been fixed to have seted up in the spacing ring 14 outside, a plurality of second air vents 21 have been fixed to the 15 lateral walls of valve.

The working principle is as follows: when the exhaust valve is used, the exhaust valve is arranged on a pipeline through a flange 17, 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 2 through the water inlet 1, then enters the upper part of the valve body 2 along a gap on the outer sides of the valve body 2 and the protective barrel 3, and then is discharged into the atmosphere through the middle part of the valve cover 9, the first vent hole 19 and the second vent hole 21, after the gas is discharged, liquid enters the inside of the valve body 2 and the protective barrel 3 to float the floating ball 23, the floating ball 23 slides in the protective barrel 3, the guide post 13 limits the movement of the floating ball 23, the floating ball 23 moves to be in close contact with the annular sealing gasket 22 so as to be sealed, a small amount of gas generated in normal operation of the pipeline enters the inside of the micro exhaust valve 8 through the butt joint 5, the connecting pipe 6 and the bent connecting pipe 7 and is discharged through the micro exhaust valve 8, when a, drive the macropore through the aperture and admit air in a large number, ensure pipeline safety, guide pillar 13 and protect a 3 motion that also can restrict floater 23, make discharge valve's sealed effect better, filter screen 16 can filter the impurity in the liquid, prevent that impurity from getting into 2 insides of valve body and causing the harm to valve body 2, reduce 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 high pressure combined type discharge valve, includes valve body (2), its characterized in that: the lower end of the valve body (2) is fixedly connected with a water inlet (1), a filter screen (16) is fixedly arranged in the water inlet (1), the middle part of the inner side wall of the valve body (2) is fixedly connected with two connecting blocks (4), a protective barrel (3) is fixedly connected between the two connecting blocks (4), the upper end of the valve body (2) is fixedly provided with a valve cover (9), the upper end of the valve cover (9) is fixedly connected with a valve frame (15), the upper end of the valve frame (15) is fixedly connected with an exhaust hood (10), the middle part of the upper end surface of the valve cover (9) is fixedly connected with a limiting barrel (12), the inner part of the limiting barrel (12) is fixedly connected with a limiting ring (14), the middle part of the limiting ring (14) is fixedly provided with a guide pillar (13), the lower end of the guide pillar, valve body (2) a lateral wall upper end fixedly connected with butt joint (5), the one end fixedly connected with connecting pipe (6) of valve body (2) are kept away from to butt joint (5), the one end fixedly connected with elbow (7) of butt joint (5) are kept away from in connecting pipe (6), pipeline fixedly connected with micro exhaust valve (8) are passed through to the one end that connecting pipe (6) were kept away from in elbow (7).

2. The high pressure composite exhaust valve according to claim 1, wherein: the water inlet (1) lower extreme outer wall fixedly connected with ring flange (17), a plurality of mounting holes (18) have been seted up to ring flange (17) outside fixed.

3. The high pressure composite exhaust valve according to claim 1, wherein: the valve body (2) is fixedly connected with the valve cover (9) through a plurality of second fastening bolts (20).

4. The high pressure composite exhaust valve according to claim 1, wherein: the middle part of the valve cover (9) is provided with a through hole, and the lower end of the middle part of the valve cover (9) is fixedly connected with an annular sealing gasket (22).

5. The high pressure composite exhaust valve according to claim 1, wherein: a plurality of first fastening bolts (11) are fixedly arranged at the upper end of the exhaust hood (10).

6. The high pressure composite exhaust valve according to claim 1, wherein: a plurality of first vent holes (19) are fixedly formed in the outer side of the limiting ring (14).

7. The high pressure composite exhaust valve according to claim 1, wherein: the side wall of the valve frame (15) is fixedly provided with a plurality of second vent holes (21).