CN218913877U

CN218913877U - Exhaust valve with flange elbow exhaust port

Info

Publication number: CN218913877U
Application number: CN202222402656.9U
Authority: CN
Inventors: 叶嘉添; 李志仁; 温从喜; 黄成浩; 李赛铭
Original assignee: Zhejiang Huayun Fluid Technology Co ltd
Current assignee: Zhejiang Huayun Fluid Technology Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2023-04-25
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses an exhaust valve of an exhaust port with a flange elbow, which comprises a sealing valve body, wherein the top position of the outer side wall of the sealing valve body is fixedly connected with a valve body mounting flange, the upper end face of the valve body mounting flange is connected with an exhaust port mounting flange through bolts, a plurality of flange connection screw holes are formed in the position, close to the outer side, of the upper end face of the upper side wall of the exhaust port mounting flange, each flange connection screw hole is internally and fixedly connected with a top connection bolt, the exhaust port mounting flange is connected with the upper end face of the valve body mounting flange through a top connection bolt, and a connecting pipe is fixedly arranged in the middle position of the upper end face of the exhaust port mounting flange. According to the utility model, the elbow exhaust pipe is arranged to guide the exhaust of the gas in the valve body, and the floating ball sealing ring is arranged to increase the sealing effect of the sealing floating ball and protect the sealing floating ball from damage caused by long-term contact with the exhaust port.

Description

Exhaust valve with flange elbow exhaust port

Technical Field

The utility model relates to the technical field of exhaust valves, in particular to an exhaust valve with a flange elbow exhaust port.

Background

The exhaust valve is applied to pipelines of an independent heating system, a central heating system, a heating boiler, a central air conditioner, floor heating, a solar heating system and the like for exhausting, when the exhaust valve works, when gas enters the valve cavity of the exhaust valve and gathers 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 descend, and the floating ball descends along with the water level to open the exhaust port; after the gas is exhausted, the water level rises, the floating ball rises along with the rising, the exhaust port is closed, the valve cavity of the exhaust valve is internally provided with a shield, the center of the bottom of the shield is provided with an input port, and when the water level rises, water enters the shield through the input port, so that the floating ball in the shield floats.

Through retrieving, chinese patent discloses discharge valve (publication No. CN 211203029U), and this patent technique is equipped with four buffering mouths, after improving, can promote the stability when the floater moves, and the valve can reduce the damage to the floater when the during operation simultaneously, prolongs the working life of valve, but the gas of the exhaust valve's that discharges can only single flow direction outside, can't be fully utilized.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an exhaust valve with a flange elbow exhaust port, which takes the exhaust of the gas in a valve body as a guiding effect through the arranged elbow exhaust pipe, and the arranged floating ball sealing ring can not only increase the sealing effect of a sealing floating ball, but also protect the sealing floating ball and prevent the sealing floating ball from being damaged due to long-term contact with the exhaust port.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the exhaust valve comprises a sealing valve body, wherein a valve body mounting flange is fixedly connected to the top position of the outer side wall of the sealing valve body, an exhaust port mounting flange is connected to the upper end face of the valve body mounting flange through bolts, a plurality of flange connection screw holes are formed in the position, close to the outer side, of the upper end face of the upper side wall of the exhaust port mounting flange, top connection bolts are connected to the flange connection screw holes through bolts, the exhaust port mounting flange is connected to the upper end face of the valve body mounting flange through top connection bolts, and a connecting pipe is fixedly arranged in the middle of the upper end face of the exhaust port mounting flange;

the connecting pipe comprises an elbow exhaust pipe, one end of the elbow exhaust pipe is fixedly connected to the middle position of the upper end face of the exhaust port mounting flange, and an exhaust pipe connecting flange is fixedly connected to the outer side wall of the other end of the elbow exhaust pipe;

through above-mentioned technical scheme, the blast pipe flange who sets up has made things convenient for equipment and outside to give vent to anger equipment interconnect, and utilizes the elbow blast pipe to the exhaust of the interior gas of valve body as guiding effect.

Further, a valve body inner cavity is formed in the sealing valve body, a limiting table is fixedly connected to the position, close to the upper end, of the inner side wall of the valve body mounting flange, and a sealing ring at the bottom of the placing cavity is fixedly installed on the upper end face of the limiting table;

through above-mentioned technical scheme, utilize to place chamber bottom sealing washer and prevent medium such as rivers from the floater below of placing the chamber to permeate away.

Further, a floating ball sealing ring is fixedly arranged in the middle of the lower end face of the exhaust port mounting flange, and a top sealing ring of a placing cavity is fixedly arranged on the outer side of the floating ball sealing ring and positioned on the lower end face of the exhaust port mounting flange;

through above-mentioned technical scheme, utilize to place chamber top sealing washer and prevent medium such as rivers from the top infiltration of floater placement chamber.

Further, a floating ball placing cavity is arranged between the top sealing ring of the placing cavity and the bottom sealing ring of the placing cavity, a clamp is fixedly connected to the top of the outer side wall of the floating ball placing cavity, the floating ball placing cavity is arranged between the top sealing ring of the placing cavity and the bottom sealing ring of the placing cavity through the clamp, and a floating ball cavity is formed in the floating ball placing cavity;

through above-mentioned technical scheme, utilize place chamber top sealing washer and place chamber bottom sealing washer installation floater and place the chamber, not only made things convenient for the later stage to maintain the discharge valve is whole, and the effectual medium that has prevented moreover flows from floater place chamber, gas vent mounting flange and valve body mounting flange's junction, has increased the seal of valve body.

Further, a sealing floating ball is arranged in the floating ball cavity, and the sealing floating ball is matched with a floating ball sealing ring for use;

through above-mentioned technical scheme, after the exhaust of gas in the valve body, the water level becomes and rises, and sealing float can also rise equally, after sealing float and ball sealing washer contact, just by resume sealing effect again, and the sealing effect of sealing float can both be increased to the ball sealing washer that sets up, also can protect sealing float, prevents that sealing float from damaging because of long-term contact with the gas vent.

Further, a water inlet groove is formed in the position, close to the upper end, of the two side walls of the floating ball placing cavity;

through above-mentioned technical scheme, the gas that needs the exhaust can get into the floater chamber from the intake groove.

Further, a connecting pipe is fixedly connected to the lower side wall of the sealing valve body, a bottom flange is fixedly connected to the position, close to the lower end, of the outer side wall of the connecting pipe, and a plurality of bottom connecting screw holes are formed in the upper side wall of the bottom flange;

through above-mentioned technical scheme, utilize the bottom flange to link up the discharge valve with the equipment that needs to carry out the exhaust.

Further, a feeding hole is formed in the middle of the bottom flange and the connecting pipe, and the top of the feeding hole is connected with the inner cavity of the valve body;

through the technical scheme, the gas is introduced into the valve body through the feed inlet.

The utility model has the following beneficial effects:

1. according to the utility model, the exhaust valve is connected with equipment needing to be exhausted by the bottom flange, the arranged exhaust pipe connecting flange facilitates the interconnection of the equipment and external air outlet equipment, and the floating ball placing cavity is installed by the top sealing ring of the placing cavity and the bottom sealing ring of the placing cavity, so that the maintenance of the whole exhaust valve in the later period is facilitated, the medium is effectively prevented from flowing out from the joints of the floating ball placing cavity, the exhaust port mounting flange and the valve body mounting flange, and the tightness of the valve body is increased.

2. When the air is required to be exhausted, the air enters the inner cavity of the valve body from the feed inlet and enters the floating ball cavity from the water inlet groove, the internal pressure of the valve body rises along with the increase of the air entering the floating ball cavity, when the air pressure is higher than the system pressure, the air can enable the water surface in the cavity to drop, the sealing floating ball also drops along with the water level, so that the exhaust port of the valve body is opened, the air can be sent out to the elbow exhaust pipe from the exhaust port, the exhaust pipe of the elbow is utilized for guiding the exhaust of the air in the valve body, the water level can rise after the air in the valve body is exhausted, the sealing floating ball also rises, and the sealing effect is restored after the sealing floating ball contacts with the floating ball sealing ring.

3. According to the utility model, the arranged floating ball sealing ring can not only increase the sealing effect of the sealing floating ball, but also protect the sealing floating ball and prevent the sealing floating ball from being damaged due to long-term contact with the exhaust port.

Drawings

FIG. 1 is a schematic view of an exhaust valve with a flanged elbow exhaust port according to the present utility model;

FIG. 2 is a cross-sectional view of an exhaust valve with a flanged elbow exhaust port according to the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

fig. 4 is a schematic diagram of a connection pipe of an exhaust valve with a flange elbow exhaust port according to the present utility model.

Legend description:

1. sealing the valve body; 2. a bottom flange; 3. the bottom is connected with the screw hole; 4. a feed inlet; 5. a float ball placing cavity; 6. sealing the floating ball; 7. a float ball cavity; 8. a top connecting bolt; 9. an exhaust port mounting flange; 10. placing a sealing ring at the top of the cavity; 11. a floating ball sealing ring; 12. a valve body mounting flange; 13. the flange is connected with the screw hole; 14. an elbow exhaust pipe; 15. an exhaust pipe connecting flange; 16. a water inlet tank; 17. a connecting pipe; 18. an inner cavity of the valve body; 19. a limiting table; 20. a clamp; 21. and placing a sealing ring at the bottom of the cavity.

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. 1-4, one embodiment provided by the present utility model is: the utility model provides an exhaust valve of flanged elbow gas vent, including sealed valve body 1, the lateral wall top position fixedly connected with valve body mounting flange 12 of sealed valve body 1, the up end bolted connection of valve body mounting flange 12 has gas vent mounting flange 9, a plurality of flange joint screw holes 13 have been seted up near outside position to the up end of the lateral wall of gas vent mounting flange 9, equal bolted connection has top connecting bolt 8 in every flange joint screw hole 13, gas vent mounting flange 9 passes through top connecting bolt 8 bolted connection at the up end of valve body mounting flange 12, the up end intermediate position fixed mounting of gas vent mounting flange 9 has connecting pipe 17.

The connecting pipe 17 comprises an elbow exhaust pipe 14, one end of the elbow exhaust pipe 14 is fixedly connected to the middle position of the upper end face of the exhaust port mounting flange 9, and an exhaust pipe connecting flange 15 is fixedly connected to the outer side wall of the other end of the elbow exhaust pipe 14.

The inner part of the sealing valve body 1 is provided with a valve body inner cavity 18, the position of the inner side wall of the valve body mounting flange 12 close to the upper end is fixedly connected with a limiting table 19, and the upper end surface of the limiting table 19 is fixedly provided with a placing cavity bottom sealing ring 21.

The floating ball sealing ring 11 is fixedly arranged in the middle of the lower end face of the exhaust port mounting flange 9, the placing cavity top sealing ring 10 is fixedly arranged on the lower end face of the exhaust port mounting flange 9 and located on the outer side of the floating ball sealing ring 11, the floating ball placing cavity 5 is arranged between the placing cavity top sealing ring 10 and the placing cavity bottom sealing ring 21, the clamping hoop 20 is fixedly connected to the top position of the outer side wall of the floating ball placing cavity 5, the floating ball placing cavity 5 is arranged between the placing cavity top sealing ring 10 and the placing cavity bottom sealing ring 21 through the clamping hoop 20, and the floating ball cavity 7 is arranged in the floating ball placing cavity 5.

The interior of floater chamber 7 is provided with sealed floater 6, sealed floater 6 and floater sealing washer 11 cooperation use, and inlet channel 16 has been seted up to the position that the both sides wall of floater placed chamber 5 leaned on the upper end, and the lower lateral wall fixedly connected with connecting pipe 17 of sealed valve body 1, the lateral wall of connecting pipe 17 lean on the position fixedly connected with bottom flange 2 of lower extreme, and a plurality of bottom connection screw holes 3 have been seted up to the upper lateral wall of bottom flange 2, and feed inlet 4 has been seted up to the intermediate position of bottom flange 2 and connecting pipe 17, and the top and the valve body inner chamber 18 of feed inlet 4 are connected.

Working principle: firstly, the exhaust valve is connected with equipment needing to be exhausted by utilizing the bottom flange 2, the arranged exhaust pipe connecting flange 15 facilitates the interconnection of the equipment and external air outlet equipment, the floating ball placing cavity 5 is installed by utilizing the placing cavity top sealing ring 10 and the placing cavity bottom sealing ring 21, the maintenance of the whole exhaust valve in the later period is facilitated, the medium is effectively prevented from flowing out of the joint of the floating ball placing cavity 5, the exhaust port mounting flange 9 and the valve body mounting flange 12, the tightness of the valve body is increased, when the exhaust is needed, gas enters the valve body cavity 18 from the feed inlet 4 and enters the floating ball cavity 7 from the water inlet groove 16, the water level in the cavity is reduced along with the increase of the gas entering the floating ball cavity 7, the internal pressure of the valve body is increased, and the sealing floating ball 6 is also reduced along with the water level when the pressure of the system is higher than the pressure, so that the exhaust port of the valve body is opened, the gas is changed to be sent out from the exhaust port to the exhaust pipe 14, the exhaust pipe 14 is utilized to discharge the gas in the valve body as a guiding effect, after the gas in the elbow is discharged, the gas in the elbow is changed to rise, the sealing water level 6 is also increased, and the sealing effect is improved, and the sealing effect is that the sealing ball is protected by the floating ball is protected by the sealing ball 11.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a take discharge valve of flange elbow gas vent, includes sealed valve body (1), its characterized in that: the sealing valve is characterized in that a valve body mounting flange (12) is fixedly connected to the top position of the outer side wall of the sealing valve body (1), an exhaust port mounting flange (9) is connected to the upper end face of the valve body mounting flange (12) through bolts, a plurality of flange connection screw holes (13) are formed in the position, close to the outer side, of the upper end face of the upper side wall of the exhaust port mounting flange (9), top connecting bolts (8) are connected to the inner side of each flange connection screw hole (13) through bolts, the exhaust port mounting flange (9) is connected to the upper end face of the valve body mounting flange (12) through the top connecting bolts (8) through bolts, and a connecting pipe (17) is fixedly arranged in the middle position of the upper end face of the exhaust port mounting flange (9);

the connecting pipe (17) comprises an elbow exhaust pipe (14), one end of the elbow exhaust pipe (14) is fixedly connected to the middle position of the upper end face of the exhaust port mounting flange (9), and an exhaust pipe connecting flange (15) is fixedly connected to the outer side wall of the other end of the elbow exhaust pipe (14).

2. An exhaust valve with flanged elbow exhaust according to claim 1, characterized in that: the inner part of the sealing valve body (1) is provided with a valve body inner cavity (18), the position, close to the upper end, of the inner side wall of the valve body mounting flange (12) is fixedly connected with a limiting table (19), and the upper end face of the limiting table (19) is fixedly provided with a placing cavity bottom sealing ring (21).

3. An exhaust valve with flanged elbow exhaust according to claim 1, characterized in that: the floating ball sealing ring (11) is fixedly arranged in the middle of the lower end face of the exhaust port mounting flange (9), and the top sealing ring (10) of the placing cavity is fixedly arranged on the outer side of the floating ball sealing ring (11) and positioned on the lower end face of the exhaust port mounting flange (9).

4. A vent valve with flanged elbow vent as in claim 3 wherein: the floating ball placing device is characterized in that a floating ball placing cavity (5) is arranged between the placing cavity top sealing ring (10) and the placing cavity bottom sealing ring (21), a clamp (20) is fixedly connected to the top position of the outer side wall of the floating ball placing cavity (5), the floating ball placing cavity (5) is arranged between the placing cavity top sealing ring (10) and the placing cavity bottom sealing ring (21) through the clamp (20), and a floating ball cavity (7) is formed in the floating ball placing cavity (5).

5. An exhaust valve with flanged elbow exhaust according to claim 4, wherein: a sealing floating ball (6) is arranged in the floating ball cavity (7), and the sealing floating ball (6) is matched with a floating ball sealing ring (11).

6. An exhaust valve with flanged elbow exhaust according to claim 4, wherein: the two side walls of the floating ball placing cavity (5) are provided with water inlet grooves (16) near the upper ends.

7. An exhaust valve with flanged elbow exhaust according to claim 1, characterized in that: the sealing valve is characterized in that a connecting pipe (17) is fixedly connected to the lower side wall of the sealing valve body (1), a bottom flange (2) is fixedly connected to the outer side wall of the connecting pipe (17) close to the position of the lower end, a plurality of bottom connecting screw holes (3) are formed in the upper side wall of the bottom flange (2), a feeding hole (4) is formed in the middle position of the bottom flange (2) and the connecting pipe (17), and the top of the feeding hole (4) is connected with an inner cavity (18) of the valve body.