CN218625582U

CN218625582U - Double-flange single-port exhaust valve

Info

Publication number: CN218625582U
Application number: CN202222402615.XU
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: 2023-03-14
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a two flange list mouth discharge valve, including the exhaust valve body, the valve body inner chamber has been seted up to the inside of exhaust valve body, the lower lateral wall fixedly connected with intake pipe of exhaust valve body, the lateral wall of intake pipe leans on the position fixedly connected with flange chassis of lower extreme, the bottom air inlet has been seted up to the lower lateral wall lower terminal surface on flange chassis, the top of bottom air inlet is connected with the bottom of valve body inner chamber, a plurality of bottoms of connection screw holes have been seted up by the position of lateral wall to the up end on flange chassis, the lateral wall of exhaust valve body leans on upper end position fixedly connected with valve body flange, valve body flange's top bolted connection has outlet duct flange. The utility model discloses in, the floater sealing washer through setting up can both increase sealed floater's shutoff effect, also can protect sealed floater, prevents that sealed floater from appearing damaging because long-term and gas vent contact.

Description

Double-flange single-port exhaust valve

Technical Field

The utility model relates to an exhaust valve technical field especially relates to a two flange list mouthful exhaust valve that connect.

Background

The exhaust valve is applied to the exhaust of pipelines such as an independent heating system, a centralized heating system, a heating boiler, a central air conditioner, a floor heating system, a solar heating system and the like, when the exhaust valve works, gas enters the valve cavity of the exhaust valve and is gathered 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 lead the water surface in the cavity to descend, the floating ball descends along with the water level, and the exhaust port is opened; after the gas is exhausted, the water level rises, the floating ball rises along with the rising of the gas, the exhaust port is closed, a protective cover is arranged in the valve cavity of the exhaust valve, an input port is arranged at the center of the bottom of the protective cover, and when the water level rises, water enters the protective cover from the input port to float the floating ball in the protective cover.

Through retrieval, chinese patent discloses discharge valve (publication No. CN 211203029U), and this patent technology is equipped with four buffer ports, and after improvement, can promote the stability of the floating ball when moving, and simultaneously the valve can reduce the damage to the floating ball when working, prolongs the working life of the valve, but the gas discharged by this discharge valve can only flow to the outside singly, can't be fully utilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the single mouthful of discharge valve of a pair flange that proposes, the floater sealing washer through setting up of a pair flange single mouthful discharge valve of this design both can increase sealed floater's shutoff effect, also can protect sealed floater, prevents that sealed floater from appearing damaging because long-term and gas vent contact.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a double-flange single-port exhaust valve comprises an exhaust valve body, wherein a valve body inner cavity is formed in the exhaust valve body, an air inlet pipe is fixedly connected to the lower side wall of the exhaust valve body, a connecting flange chassis is fixedly connected to the position, close to the lower end, of the outer side wall of the air inlet pipe, a bottom air inlet is formed in the lower end face of the lower side wall of the connecting flange chassis, the top of the bottom air inlet is connected with the bottom of the valve body inner cavity, a plurality of bottom connecting screw holes are formed in the position, close to the outer side wall, of the upper end face of the connecting flange chassis, a valve body connecting flange is fixedly connected to the position, close to the upper end, of the outer side wall of the exhaust valve body, and an air outlet pipe connecting flange is bolted to the upper portion of the valve body connecting flange;

the middle position of the air outlet pipe connecting flange is provided with an air outlet, the lower end face of the air outlet pipe connecting flange is fixedly connected with a connecting seat, the upper end face of the air outlet pipe connecting flange is fixedly connected with a top air outlet pipe at the position which is positioned at the outer side of the air outlet, and the top of the outer side wall of the top air outlet pipe is fixedly connected with a top flange connecting plate;

through above-mentioned technical scheme, utilize the flange chassis to couple together discharge valve and the equipment that needs carried out the exhaust, and the top flange connection pad that sets up has made things convenient for equipment and outside air outlet equipment interconnect, when needs exhaust, gaseous can get into the valve body inner chamber from the bottom air inlet to discharge through the top outlet duct, utilize the top outlet duct to the gaseous discharge in the valve body as the direction with and external equipment's connecting piece, effectually prevented that the medium from directly overflowing to in the outside air.

Furthermore, a floating ball sealing ring is fixedly arranged on the lower end face of the air outlet pipe connecting flange and positioned on the outer side of the air outlet;

through above-mentioned technical scheme, utilize the floater sealing washer to increase the leakproofness of sealed floater to the gas outlet.

Further, a top sealing ring is fixedly mounted on the lower end face of the connecting seat;

through above-mentioned technical scheme, utilize the top sealing washer to prevent that the medium from oozing from the top of floater cover.

Furthermore, the top of the inner side wall of the exhaust valve body is fixedly connected with a limiting table;

through the technical scheme, the floating ball sleeve is clamped and connected by the limiting table.

Furthermore, a bottom sealing ring is fixedly arranged on the upper end face of the limiting table;

through above-mentioned technical scheme, utilize the bottom sealing washer to prevent that the medium from oozing from the below of floater cover.

Furthermore, a floating ball sleeve is arranged between the top sealing ring and the bottom sealing ring, the outer side wall of the floating ball sleeve is fixedly connected with a hoop, and the floating ball sleeve is arranged between the top sealing ring and the bottom sealing ring through the hoop;

through above-mentioned technical scheme, utilize top sealing washer and bottom sealing washer installation ball cover, not only made things convenient for the later stage to maintain discharge valve whole, effectually prevented moreover that the medium from oozing from each junction in the valve body, increased the seal of valve body.

Furthermore, a floating ball placing cavity is formed in the floating ball sleeve, and a sealing floating ball is arranged in the floating ball placing cavity;

through above-mentioned technical scheme, the floater sealing washer that sets up can both increase sealed floater's shutoff effect, also can protect sealed floater, prevents that sealed floater from appearing damaging because of contacting with the gas vent for a long time.

Furthermore, air inlet grooves are formed in the two side walls of the floating ball sleeve;

through above-mentioned technical scheme, utilize the air inlet duct to place the intracavity with gaseous introduction floater.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, at first utilize the flange chassis to couple together discharge valve with the equipment that needs carry out exhaust, and the top flange connection pad that sets up has made things convenient for equipment and outside air outlet equipment interconnect, utilizes top sealing washer and bottom sealing washer installation ball float cover, has not only made things convenient for the later stage to maintain discharge valve wholly, has effectually prevented moreover that the medium from oozing from each junction in the valve body, has increased the seal of valve body.

2. The utility model discloses in, when needs exhaust, gaseous can get into the valve body inner chamber from the bottom air inlet, and enter into the floater by the air inlet duct and place in the chamber, along with entering into the gas that the chamber was placed to the floater and increasing, valve body internal pressure rises, when gas pressure is greater than system's pressure, gaseous can make the intracavity surface of water descend, and sealed floater also can be along with the water level is together descended, thereby the gas outlet has been opened, gaseous meeting is seen off to the top outlet duct in following the gas outlet, utilize the top outlet duct to the gaseous discharge in the valve body as the direction and external equipment's connecting piece, the effectual medium that has prevented directly overflows to the outside air in.

3. The utility model discloses in, after the gas outgoing in the valve body, the water level just can rise, and sealed floater also can rise like this, after sealed floater and the contact of floater sealing washer, just by resumeing sealed effect again, and the floater sealing washer that sets up can both increase the shutoff effect of sealed floater, also can protect sealed floater, prevents that sealed floater from appearing damaging because of contacting with the gas vent for a long time.

Drawings

Fig. 1 is a schematic view of a double-flanged single-port exhaust valve according to the present invention;

fig. 2 is a sectional view of a double-joint flange single-port exhaust valve provided by the utility model;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is the utility model provides a pair of flange single mouthful discharge valve's outlet duct flange's schematic diagram.

Illustration of the drawings:

1. an exhaust valve body; 2. an air inlet pipe; 3. connecting the flange chassis; 4. the bottom is connected with a screw hole; 5. a bottom air inlet; 6. an inner cavity of the valve body; 7. a floating ball sleeve; 8. an air inlet groove; 9. a floating ball placing cavity; 10. a top flange connection plate; 11. the valve body is connected with a flange; 12. the air outlet pipe is connected with a flange; 13. a top seal ring; 14. a floating ball sealing ring; 15. clamping a hoop; 16. a bottom seal ring; 17. a limiting table; 18. a connecting seat; 19. an air outlet; 20. a top outlet pipe; 21. the floating ball is sealed.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a two flange list mouth discharge valve, including the discharge valve body 1, valve body inner chamber 6 has been seted up to the inside of discharge valve body 1, discharge valve body 1's lower lateral wall fixedly connected with intake pipe 2, intake pipe 2's lateral wall leans on the position fixedly connected with flange chassis 3 of lower extreme, bottom air inlet 5 has been seted up to the terminal surface under flange chassis 3's the lower lateral wall, the top of bottom air inlet 5 is connected with valve body inner chamber 6's bottom, a plurality of bottom connection screw holes 4 have been seted up by the position of lateral wall to the up end on flange chassis 3, discharge valve body 1's lateral wall leans on upper end position fixedly connected with valve body flange 11, valve body flange 11's top bolted connection has outlet duct flange 12.

A gas outlet 19 is formed in the middle of the gas outlet pipe connecting flange 12, a connecting seat 18 is fixedly connected to the lower end face of the gas outlet pipe connecting flange 12, a top gas outlet pipe 20 is fixedly connected to the upper end face of the gas outlet pipe connecting flange 12 and located on the outer side of the gas outlet 19, and a top flange connecting plate 10 is fixedly connected to the top of the outer side wall of the top gas outlet pipe 20.

The lower terminal surface of outlet duct flange 12 and the outside position fixed mounting who is located gas outlet 19 have floater sealing washer 14, the lower terminal surface fixed mounting of connecting seat 18 has top sealing washer 13, the spacing platform 17 of inside wall top fixedly connected with of exhaust valve body 1, the up end fixed mounting of spacing platform 17 has bottom sealing washer 16, install floater cover 7 between top sealing washer 13 and the bottom sealing washer 16, the lateral wall fixedly connected with clamp 15 of floater cover 7, floater cover 7 installs between top sealing washer 13 and bottom sealing washer 16 through clamp 15, it places chamber 9 to have seted up the floater in floater cover 7, the floater is placed and is provided with sealed floater 21 in the chamber 9, inlet duct 8 has all been seted up on the both sides wall of floater cover 7.

The working principle is as follows: firstly, the exhaust valve is connected with equipment needing to exhaust by using the connecting flange chassis 3, the arranged top flange connecting disc 10 facilitates the mutual connection of the equipment and external air outlet equipment, the floating ball sleeve 7 is arranged by using the top sealing ring 13 and the bottom sealing ring 16, thereby not only facilitating the later maintenance of the whole exhaust valve, but also effectively preventing media from seeping out from each joint in the valve body and increasing the tightness of the valve body, when the air needs to be exhausted, the air can enter the inner cavity 6 of the valve body from the bottom air inlet 5 and enter the floating ball placing cavity 9 from the air inlet groove 8, the internal pressure of the valve body rises along with the increase of the air entering the floating ball placing cavity 9, when the air pressure is more than the system pressure, the air can lead the water surface in the cavity to descend, the sealing floating ball 21 can also fall along with the water level, so that the air outlet 19 is opened, gas can be sent out from the air outlet 19 to the top air outlet pipe 20, the gas in the valve body is discharged by the top air outlet pipe 20 to serve as a guide and a connecting piece of external equipment, the medium is effectively prevented from directly overflowing into the outside air, after the gas in the valve body is discharged, the water level can rise, the sealing floating ball 21 can also rise in the same way, after the sealing floating ball 21 is contacted with the floating ball sealing ring 14, the sealing effect is restored again, the arranged floating ball sealing ring 14 can increase the blocking effect of the sealing floating ball 21, the sealing floating ball 21 can be protected, and the sealing floating ball 21 is prevented from being damaged due to the fact that the sealing floating ball 21 is contacted with the air outlet for a long time.

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 two flange list mouthfuls of discharge valves, includes discharge valve body (1), its characterized in that: a valve body inner cavity (6) is formed in the exhaust valve body (1), an air inlet pipe (2) is fixedly connected to the lower side wall of the exhaust valve body (1), a connecting flange chassis (3) is fixedly connected to the position, close to the lower end, of the outer side wall of the air inlet pipe (2), a bottom air inlet (5) is formed in the lower end face of the lower side wall of the connecting flange chassis (3), the top of the bottom air inlet (5) is connected with the bottom of the valve body inner cavity (6), a plurality of bottom connecting screw holes (4) are formed in the position, close to the outer side wall, of the upper end face of the connecting flange chassis (3), a valve body connecting flange (11) is fixedly connected to the position, close to the upper end, of the outer side wall of the exhaust valve body (1), and an exhaust pipe connecting flange (12) is connected to the upper portion of the valve body connecting flange (11) through bolts;

gas outlet (19) have been seted up to the intermediate position of outlet duct flange (12), the lower terminal surface fixedly connected with connecting seat (18) of outlet duct flange (12), the up end of outlet duct flange (12) just is located the outside position fixedly connected with top outlet duct (20) of gas outlet (19), the lateral wall top fixedly connected with top flange connection pad (10) of top outlet duct (20).

2. A double-flanged single-ported exhaust valve according to claim 1, wherein: and a floating ball sealing ring (14) is fixedly arranged on the lower end surface of the outlet pipe connecting flange (12) and positioned on the outer side of the air outlet (19).

3. A double-flanged single-ported exhaust valve according to claim 1, wherein: and a top sealing ring (13) is fixedly arranged on the lower end surface of the connecting seat (18).

4. A double-flanged single-ported exhaust valve according to claim 1, wherein: the top of the inner side wall of the exhaust valve body (1) is fixedly connected with a limiting table (17).

5. A double-flanged single-port exhaust valve according to claim 4, wherein: and a bottom sealing ring (16) is fixedly arranged on the upper end surface of the limiting table (17).

6. A double-flanged single-port exhaust valve according to claim 3, wherein: install ball cover (7) between top sealing washer (13) and bottom sealing washer (16), the lateral wall fixedly connected with clamp (15) of ball cover (7), ball cover (7) are installed between top sealing washer (13) and bottom sealing washer (16) through clamp (15).

7. A double-flanged single-port exhaust valve according to claim 6, wherein: a floating ball placing cavity (9) is formed in the floating ball sleeve (7), and a sealing floating ball (21) is arranged in the floating ball placing cavity (9).

8. A double-flanged single-port exhaust valve according to claim 6, wherein: air inlet grooves (8) are formed in the two side walls of the floating ball sleeve (7).