CN210770390U

CN210770390U - Exhaust valve

Info

Publication number: CN210770390U
Application number: CN201921199022.XU
Authority: CN
Inventors: 董服义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-16
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses an exhaust valve, including the valve body, be formed at medium runner on the valve body, with valve gap, the locating of connection can be dismantled to valve body one end the valve body with float between the valve gap, with float matched with exhaust switch module and can close the case of medium runner, exhaust switch module include the body of rod, sealing member, with the connection can be dismantled to the valve gap the exhaust spare and be used for connecting the exhaust spare with the elastic component of the body of rod, be equipped with the exhaust hole on the exhaust spare, the sealing member with the connection can be dismantled through a grafting structure to the body of rod. The valve core is arranged in the medium flow passage, when the exhaust valve needs to be overhauled, the valve core closes the medium flow passage, and the valve cover can be unscrewed for maintenance, so that the maintenance is convenient; the sealing element can be used for plugging the exhaust hole, and the exhaust hole is connected through the plug-in structure, so that the connection is convenient and quick.

Description

Exhaust valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to an exhaust valve.

Background

In the operation process of the ventilation system and the heating ventilation air-conditioning system, a plurality of adverse effects caused by gases (such as hydrogen, oxygen and the like) released by water during heating can damage the system and reduce the heat effect, and a plurality of adverse results can be generated if the gases cannot be discharged in time. Such as: corrosion due to oxidation; forming an air bag in the radiator; hot water circulation is not smooth and balanced, so that some radiators are not hot locally; noise when the pipeline is running with air; vortex-void phenomenon of the circulation pump.

Therefore, the exhaust valve is an essential auxiliary element in a pipeline system and is widely applied to boilers, oil and gas pipelines and water supply and drainage pipelines. The gas-liquid separator is often arranged at a height-making point or an elbow and the like, so that redundant gas in a pipeline is discharged, the use efficiency of the pipeline is improved, and the energy consumption is reduced.

The operating principle of the conventional exhaust valve is as follows: when water is filled into the pipe, the plug stays at the opening position to exhaust a large amount of air, when the air is exhausted, water is accumulated in the valve, the floating ball is floated, the plug is moved to the closing position to stop a large amount of air, when the water in the pipe is normally conveyed, if a small amount of air is gathered in the valve to a certain degree, the water level in the valve is lowered, the floating ball is lowered, the air is exhausted from the small hole, when the water in the pipe is emptied or meets the negative pressure generated in the pipe, the plug is rapidly opened at the moment, the air is sucked, and the completeness of the pipeline is ensured.

However, the traditional exhaust valve needs to be detached during maintenance, the system cannot be closed at the moment, and fluid in the pipe may flow out; and traditional discharge valve is after the water in the middle of the valve body is full, when it carries out the shutoff to the exhaust hole, the shutoff effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a convenient exhaust valve who overhauls, the shutoff is effectual.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an exhaust valve, includes the valve body, be formed in medium runner on the valve body, with valve gap, the locating of connection can be dismantled to valve body one end the valve body with float between the valve gap, with float matched with exhaust switch module and can close the case of medium runner, exhaust switch module include the body of rod, sealing member, with the connection can be dismantled to the valve gap exhaust spare and be used for connecting the exhaust spare with the elastic component of the body of rod, be equipped with the exhaust hole on the exhaust spare, the sealing member with the connection can be dismantled through a grafting structure to the body of rod.

The valve core is arranged in the medium flow passage, when the steam exhaust valve needs to be overhauled, the valve core can open the valve cover to maintain by closing the medium flow passage, and the mode is convenient to overhaul; the sealing element is arranged on the rod body to realize the plugging of the exhaust hole, when the floater moves to a higher position, the sealing element can plug the exhaust hole firmly, and the sealing effect is good; and the connection is convenient and quick through the connection mode of the plug-in structure.

Preferably, the insertion structure comprises a first connecting part arranged at one end of the rod body and a second connecting part in insertion fit with the first connecting part, and the second connecting part is arranged on the sealing element; through first connecting portion and second connecting portion plug-in connection, its installation rate is fast, and assembly efficiency is high.

Preferably, the first connecting part is a concave part formed on the end part of the rod body, and the second connecting part is a convex part arranged on the sealing element; the first connecting convex part is provided with the concave part, and the second connecting part is provided with the convex part, so that the structure is simple, and the installation is convenient.

Preferably, the floater is provided with a hook structure matched with the rod body; the upper part of the floater can be conveniently fixed by arranging the hook structure, and the installation is convenient.

Preferably, the hook structure comprises a groove formed on the floater and a connecting rod arranged in the groove, and the rod body is matched with the connecting rod; the groove is arranged to facilitate the rod body to extend into the groove, so that the sealing element can block the vent hole when the float floats to the top end.

Preferably, the rod body is provided with a bulge part which is matched with the connecting rod in an anti-falling way; the protrusion part can limit the rod body and the floater from falling off, and the floater can not be separated from the rod body in the up-and-down action process.

Preferably, the exhaust part is provided with a screwed part screwed with the elastic part; establish the spiro union portion on the piece through the exhaust, it is when linking to each other with the elastic component, convenient easy operation to adopt the mode of spiro union, the firmness after the fixing is high.

Preferably, a plurality of concave parts are arranged on the floater, and the concave parts are arranged along the length direction of the floater; the area of the side wall of the floater is increased by arranging the plurality of concave parts on the floater, so that the stability of the floater in the using process can be improved, and the floater is not easy to shake left and right.

Preferably, the exhaust member is provided with a rotation stop part; through set up the rotation stopping portion on the air discharge member, it can be in the in-process of carrying out the dismouting to the air discharge member, and accessible instrument inserts in the middle of the rotation stopping portion in order to dismantle the air discharge member or install, its easy dismounting.

Preferably, the valve cover is provided with a branch pipe, and the exhaust part is in threaded connection with the inner wall of the branch pipe; the branch pipe is in screwed connection with a cap, and the cap is provided with an air hole;

to sum up, the utility model arranges the valve core in the medium flow passage, when the exhaust valve needs to be maintained, the valve core closes the medium flow passage to unscrew the valve cover for maintenance, and the maintenance is convenient; the sealing element can be used for plugging the exhaust hole, and the exhaust hole is connected through the plug-in structure, so that the connection is convenient and quick.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a first cross-sectional view of a first embodiment of the present invention.

Fig. 3 is a second cross-sectional view of the first embodiment of the present invention.

Fig. 4 is an exploded view of a first embodiment of the present invention.

Fig. 5 is a schematic partial structure diagram according to a first embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an exhaust component according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a second embodiment of the present invention.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1 to 6, an exhaust valve includes a valve body 1, a medium flow passage 10, a valve cap 12, a float 2, an exhaust switch member, and a valve core 11, wherein the valve body 1 is made of stainless steel or brass, the medium flow passage 10 is formed on the valve body 1, and gas and water can enter the medium flow passage 10; the valve core 11 is arranged at the lower part of the valve body 1, the valve core 11 is a metal ball with a cylindrical hole, the valve core 11 is arranged in the medium flow passage 10, the medium flow passage can be opened and closed through the rotation of the valve core 11, the upper part of the valve core 11 is provided with a rotation stopping groove, a valve rod 111 is inserted into the rotation stopping groove, the valve rod 111 is a metal rod, the upper part of the valve rod 111 penetrates out of the valve body 1, and the upper part of the valve rod 111 is connected with a handle 112 in a rotation stopping way; the valve rod 111 can be driven to rotate by rotating the handle 112, and then the valve core 11 is driven to rotate to open and close the medium flow channel 10; meanwhile, a connecting part 118 is arranged at the lower part of the valve body 1, and the connecting part 118 is a section with internal threads.

Further, the valve cover 12 is a metal cover, and the valve cover 12 is screwed with the upper part of the valve body 1, so that the valve cover 12 covers the valve body 1; a branch pipe 121 is arranged on the side wall of the valve cover 12, the branch pipe 121 is integrally formed with the valve cover 12, and the branch pipe 121 is communicated with the inside of the valve cover 12; the float 2 is a conventional plastic column, four concave parts 22 are arranged on the float 2, the concave parts 22 are arranged along the length direction of the float 2, a hook structure is arranged on the float 2, the hook structure comprises a groove 20 and a connecting rod 21, the groove 20 is a groove arranged at the upper part of the float 2, the connecting rod 21 is a cross rod integrally formed with the float, and the connecting rod 21 is positioned in the groove 20; the valve body 1 is provided with an accommodating cavity 100, the accommodating cavity 100 is a cylindrical cavity, and the float 2 is arranged in the accommodating cavity 100.

Specifically, the exhaust switch assembly includes a rod 31, an exhaust member 33, a sealing member 32 and an elastic member 34, wherein the rod 31 is a round rod made of brass, the rod 31 is partially inserted into the groove 20, and a protrusion 312 is disposed at an end of the rod 31, the protrusion 312 contacts with a sidewall of the connecting rod 21, so that the protrusion 312 ensures a stable connection between the rod 31 and the float 2; the sealing element 32 can be detachably connected to one end of the rod body 31 through a plug structure, the sealing element 32 is made of rubber, a first connecting portion 311 is arranged at the end portion of the rod body 31, a second connecting portion 321 is arranged on the sealing element 32, the second connecting portion 321 can be inserted into the first connecting portion 311, the first connecting portion 311 is a concave portion formed on the rod body 31, the second connecting portion 321 is arranged on a convex portion on the sealing element 32, and when the sealing element 32 is connected with the rod body 31, the second connecting portion 321 is inserted into the first connecting portion 311, so that the sealing element 32 is connected with the rod body 31.

A connecting part 310 is arranged at the end part of the rod body 31, the connecting part 310 is a part with threads on the rod body 31, the elastic piece 34 is screwed with the connecting part 310, and the elastic piece 34 is a spring; the exhaust member 33 is a metal member, the exhaust hole 330 is formed in the middle of the exhaust member 33, the gas in the valve body 1 can be exhausted from the exhaust hole 330, the exhaust member 33 is provided with a screw part 331, the screw part 331 is a part with threads, and the other end of the elastic member 34 is screwed with the screw part 331, so that the sealing member 32 blocks the exhaust hole 330 when the buoyancy of water reaches a certain height by the float 2; a fixing part 338 in threaded connection with the inner wall of the branch pipe 121 is arranged on the exhaust member 33, a rotation stopping part 332 is arranged on the fixing part 338, and the rotation stopping part 332 is a groove with a plane inner wall; the cap 14 is a metal cap, the cap 14 is provided with an air hole 141, and the air discharged from the air hole 330 can be discharged from the air hole 141.

Further, a boss-shaped sealing sleeve is arranged on the exhaust member 33, and the sealing sleeve is a rubber sleeve; a stepped portion 125 is provided on the inner wall of the branch pipe 121, and the sealing sleeve is in contact with the stepped portion 125 after the exhaust member 33 is coupled to the branch pipe 121, thereby sealing the outer wall of the exhaust member 33 and the inner wall of the branch pipe 121.

Example two

As shown in fig. 7, the difference between the present embodiment and the first embodiment is that the connecting portion 118 at the lower part of the valve body 1 of the present embodiment is of an external thread structure.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. The utility model provides an exhaust valve, includes valve body (1), forms in medium runner (10) on valve body (1), with valve gap (12) of valve body (1) one end detachable connection, locate valve body (1) with float (2) between valve gap (12), with float (2) matched with exhaust switch module and can close case (11) of medium runner (10), its characterized in that: the exhaust switch assembly comprises a rod body (31), a sealing element (32), an exhaust part (33) detachably connected with the valve cover (12) and an exhaust hole (330) arranged on the exhaust part (33), wherein the exhaust part (33) is connected with an elastic part (34) of the rod body (31), and the sealing element (32) is detachably connected with the rod body (31) through a plug-in structure.

2. An exhaust valve according to claim 1, wherein: the inserting structure comprises a first connecting portion (311) arranged at one end of the rod body (31) and a second connecting portion (321) matched with the first connecting portion (311) in an inserting mode, and the second connecting portion (321) is arranged on the sealing element (32).

3. An exhaust valve according to claim 2, wherein: the first connecting portion (311) is a concave portion formed on the end portion of the rod body (31), and the second connecting portion (321) is a convex portion arranged on the sealing member (32).

4. An exhaust valve according to claim 1, wherein: and a hook structure matched with the rod body (31) is arranged on the floater (2).

5. An exhaust valve according to claim 4, wherein: the hook structure comprises a groove (20) formed in the floater (2) and a connecting rod (21) arranged in the groove (20), and the rod body (31) is matched with the connecting rod (21).

6. An exhaust valve according to claim 5, wherein: the rod body (31) is provided with a bulge (312) which is matched with the connecting rod (21) in an anti-falling way.

7. An exhaust valve according to claim 1, wherein: the exhaust member (33) is provided with a screw connection part (331) which is screwed with the elastic member (34).

8. An exhaust valve according to claim 1, wherein: the floater (2) is provided with a plurality of concave parts (22), and the concave parts (22) are arranged along the length direction of the floater (2).

9. An exhaust valve according to claim 1, wherein: the exhaust member (33) is provided with a rotation stop portion (332).

10. An exhaust valve according to claim 1, wherein: the valve cover (12) is provided with a branch pipe (121), and the exhaust part (33) is in threaded connection with the inner wall of the branch pipe (121); the branch pipe (121) is connected with a cap (14) in a threaded mode, and the cap (14) is provided with an air hole (141).