CN214534584U

CN214534584U - Blowoff valve

Info

Publication number: CN214534584U
Application number: CN202023124026.7U
Authority: CN
Inventors: 董服义
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-29
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a blowoff valve, which comprises a valve body and a medium flow passage for medium circulation; the liquid inlet channel is arranged in the valve body; the liquid outlet channel is arranged in the valve body and is vertical to the liquid inlet channel; the transition channel is arranged in the valve body and is used for communicating the liquid inlet channel with the liquid outlet channel; the ceramic valve core is detachably arranged in the transition channel and is in butt fit with the inner wall of the medium flow channel. The ceramic valve core is detachably arranged in the transition passage and matched with the inner wall of the valve body to realize sealing, and the ceramic valve core is convenient to use and easy to operate; the valve body is not required to be additionally provided with a sealing element to be matched with the valve body, so that the valve body is simple in structure, and the processing procedure of the valve body is simplified; the ceramic valve core is movably connected with the valve body, so that the ceramic valve core is easy to replace and convenient to use; and because the ceramic valve core has the characteristics of high temperature resistance and corrosion resistance, the ceramic valve core is not easy to deform and leak during use, and has long service life.

Description

Blowoff valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a blowoff valve.

Background

The water separator is mainly responsible for opening and closing the water flow in a ground heating loop in the ground heating system, when water in the gas boiler flows into the water separator through a main pipeline, impurities are isolated through the filter, then the water is evenly distributed into the loop, the water returns to the water collecting return main lever after heat exchange, and then flows into the heat supply system through the water return port, a drain valve, an exhaust valve and the like are generally installed in the water separator, and the drain valve is used for discharging sewage in the pipeline.

The existing blowoff valve is mainly characterized in that sealing rubber is arranged in a valve body to be matched and sealed with a metal valve core, the blowoff valve is in a closed state when not used, and plastic deformation of the sealing rubber is caused by long-term compression, so that the valve core is tightly sucked and is not easy to open, and the use is inconvenient; in addition, when the valve body is processed, the sealing rubber and the valve core are required to be arranged in the valve body together, so that the structural design of the valve body is complex, the processing technology is complicated, the sealing rubber and the valve core in the valve body are not easy to replace, and only the drain valve can be replaced if leakage occurs, thereby causing economic loss; the water in the pipeline system corrodes the metal surface and is used at high temperature, so that the corrosion speed is accelerated, and the leakage phenomenon caused by untight sealing is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome the not enough of prior art, provide an easy blowoff valve of operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a waste valve, comprising a waste valve, characterized in that: comprises that

A valve body having a medium flow passage through which a medium flows;

the liquid inlet channel is arranged in the valve body;

the liquid outlet channel is arranged in the valve body and is vertical to the liquid inlet channel;

the transition channel is arranged in the valve body and is used for communicating the liquid inlet channel with the liquid outlet channel;

the ceramic valve core is detachably arranged in the transition channel and is in butt fit with the inner wall of the medium flow channel.

The ceramic valve core is detachably arranged in the transition channel and is communicated with the liquid inlet cavity and the gas outlet cavity, after the ceramic valve core is arranged in the valve body, the ceramic valve core is matched with the inner wall of the valve body to realize sealing, and the ceramic valve core is opened and closed by depending on the structure of the ceramic valve core, so that the ceramic valve core is convenient to use and easy to operate; the valve body is not required to be additionally provided with a sealing element to be matched with the valve body, so that the valve body is simple in structure, and the processing procedure of the valve body is simplified; the ceramic valve core is movably connected with the valve body, so that the ceramic valve core is easy to replace and convenient to use; and because the ceramic valve core has the characteristics of high temperature resistance and corrosion resistance, the ceramic valve core is not easy to deform and leak during use, and has long service life.

Preferably, the liquid inlet end of the ceramic valve core is communicated with the liquid inlet channel, and the liquid outlet end of the ceramic valve core is communicated with the liquid outlet channel.

Preferably, the axis of the transition channel coincides with the axis of the liquid inlet channel, and the transition channel is perpendicular to the liquid outlet channel; because the liquid inlet direction of the ceramic valve core is vertical to the liquid outlet direction, the transition channel is arranged to be vertical to the liquid outlet channel and superposed with the axis of the liquid inlet channel, and the transition channel is matched with the characteristics of the ceramic valve core, so that the circulation of media in the valve body is ensured.

Preferably, a blocking part is arranged between the transition channel and the liquid inlet channel, and the ceramic valve core is abutted against the blocking part after the ceramic valve core is connected with the valve body; a stopper is provided to abut against the sealing member to close the medium flow path.

Preferably, a plug is movably connected to the liquid outlet channel, and a sealing ring is arranged between the plug and the valve body; and after the drainage is finished, the plug is connected with the valve body to seal the liquid outlet channel so as to prevent residual liquid in the liquid outlet channel from flowing out.

Preferably, a pushing piece is movably connected to the outer wall of the liquid inlet end of the valve body, and a first sealing ring is abutted to one side, facing the liquid inlet end of the medium flow channel, of the pushing piece; when the valve body is connected with the liquid inlet pipeline, the valve body is connected with the liquid inlet pipeline firstly, then the pushing piece is twisted to enable the pushing piece to move towards one side of the valve handle in a back direction, so that the first sealing ring is pushed to move to the position abutted to the external pipeline, and the first sealing ring is extruded by the pushing piece and the external pipeline to form sealing, and the sealing mode is simple in structure and convenient to operate.

Preferably, the ceramic valve core comprises a valve core shell, a rotary core rotatably arranged on the valve core shell, a first sealing element arranged at the end part of the valve core shell, and a second sealing element sleeved on the valve core shell.

Preferably, a valve handle is arranged on the valve body and is in rotation stopping connection with the rotating core; the valve handle is connected with the rotary core in a rotation stopping way to control the opening and closing of the ceramic valve core.

Preferably, the valve body is provided with an air outlet cavity and an exhaust assembly for controlling the gas in the air outlet cavity to be exhausted, the air outlet cavity is communicated with the medium flow channel, and the end part of the air outlet cavity is provided with a valve cover; and an exhaust assembly is arranged, and the air outlet is controlled to automatically exhaust after the air pressure at the air outlet end of the air outlet cavity reaches a set value.

Preferably, the exhaust assembly is including locating the flotation pontoon of intracavity of giving vent to anger, with the body of rod that the flotation pontoon links to each other, locate exhaust on the valve gap, locate sealing plug on the body of rod, the body of rod pass through the elastic component with exhaust is connected.

To sum up, the utility model is provided with the ceramic valve core, can be detachably arranged in the transition channel and is communicated with the liquid inlet cavity and the gas outlet cavity, after being arranged in the valve body, the ceramic valve core is matched with the inner wall of the valve body to realize sealing, and can be opened and closed by depending on the structure of the ceramic valve core, thereby having convenient use and easy operation; the valve body is not required to be additionally provided with a sealing element to be matched with the valve body, so that the valve body is simple in structure, and the processing procedure of the valve body is simplified; the ceramic valve core is movably connected with the valve body, so that the ceramic valve core is easy to replace and convenient to use; and because the ceramic valve core has the characteristics of high temperature resistance and corrosion resistance, the ceramic valve core is not easy to deform and leak during use, and has long service life.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention.

Fig. 2 is a perspective view of a second embodiment of the present invention.

Fig. 3 is an exploded view of an exhaust assembly according to a second embodiment of the present invention.

Fig. 4 is a schematic diagram of a partial explosion of an exhaust assembly according to 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.

Example one

As shown in fig. 1, a blowoff valve comprises a valve body 10, a medium flow passage 11, a liquid inlet passage 12, a liquid outlet passage 13, a transition passage 14, a ceramic valve core 20 and a valve handle 15; the valve body 10 is a metal piece made of stainless steel or brass, the medium flow channel 11 is formed in the valve body 10, and the medium flow channel 11 is a through cavity; the valve body 10 is provided with a liquid outlet channel 13 and a liquid inlet channel 12, wherein the liquid outlet channel 13 is vertical to the liquid inlet channel 12, and the outer wall of the liquid inlet channel 12 is provided with a first connecting end 16 with external threads; the transition channel 14 is arranged in the valve body 10, is a part of the medium flow channel 11, and communicates the liquid inlet channel 12 with the liquid outlet channel 13, and the inner diameter of the transition channel 14 is smaller than that of the liquid inlet channel 12; the ceramic valve core 20 is detachably arranged in the transition channel 14, the liquid inlet end of the ceramic valve core 20 is communicated with the liquid inlet channel 12, the liquid outlet end of the ceramic valve core 20 is communicated with the liquid outlet channel 13, and the end part of the ceramic valve core 20 is in butt fit with the inner wall of the medium flow channel 11; the valve handle 15 is rotatably disposed on the valve body 10 and is used for controlling the opening and closing of the ceramic valve core 20.

Further, the transition channel 14 is perpendicular to the liquid outlet channel 13, and the axis of the transition channel 14 coincides with the axis of the liquid inlet channel 12.

Further, a pushing piece 161 is screwed on the first connecting end 16, and a first sealing ring 162 is abutted on one side of the pushing piece 161 facing the liquid inlet end of the medium flow channel 11; after the first connection end 16 is connected with the liquid inlet pipeline, the pushing piece 161 is screwed to move the pushing piece 161 towards the side away from the valve handle 15, so that the first sealing ring 162 is pushed to be moved to the position of abutting with the external pipeline, and the first sealing ring 162 is pressed by the pushing piece 161 to form a seal with the external pipeline.

Further, a second connecting end 17 with internal threads is arranged on the inner wall of the liquid outlet channel 13, a plug 171 is screwed on the second connecting end 17, and a sealing ring 172 is arranged between the plug 171 and the valve body 10; after the drainage of the drainage valve is completed, the plug 171 is connected with the valve body 10 to close the liquid outlet channel 13, so as to prevent the residual liquid in the liquid outlet channel 13 from flowing out.

Further, the ceramic spool 20 includes a spool case 21, a rotary spool 22, a first seal 23 and a second seal 24; the upper part of the outer wall of the valve core shell 21 is provided with an external thread which is in threaded connection with the valve body 10; the rotatable part of the rotary core 22 is arranged on the valve core shell 21 and used for controlling the opening and closing of the ceramic valve core 20, and the valve handle 15 is connected with the rotary core 22 in a rotation stopping manner; the first sealing element 23 is arranged at the end part of the valve core shell 21; the second sealing member 24 is sleeved on the valve core housing 21, and after the valve core housing 21 is screwed with the valve body 10, the second sealing member 24 is pressed to form a seal, so that liquid is prevented from flowing out from a gap between the valve core housing 21 and the valve body 10.

Further, a blocking portion 111 is arranged at the liquid inlet end of the transition passage 14, the blocking portion 111 is a convex ring formed by partial recess formed on the inner wall of the medium flow passage 11, and after the ceramic valve element 20 is installed in place, the first sealing element 23 is abutted and matched with the blocking portion 111 to achieve sealing.

Example two

As shown in fig. 2 to 4, the present embodiment is different from the first embodiment in that: in this embodiment, the valve body 10 is provided with an air outlet cavity 18, the air outlet cavity 18 is communicated with the medium flow channel 11, the air outlet cavity 18 is perpendicular to the liquid inlet channel 12, and the axis of the air outlet cavity 18 coincides with the axis of the liquid outlet channel 13.

Further, a valve cover 19 is arranged at the end part of the air outlet cavity 18, the valve cover 19 is in threaded connection with the upper part of the valve body 10, a second sealing ring 192 is arranged in the valve cover 19, and sealing is formed after the valve cover 19 is connected with the valve body 10; the side wall of the valve cover 19 is provided with a boss 191, the boss 191 and the valve cover 19 are integrally formed, an air outlet hole is formed in the boss 191, and the air outlet hole is communicated with the inside of the valve cover 19.

Specifically, the exhaust assembly comprises a buoy 30, a rod body 31, an exhaust member 33, a sealing plug 32 and an elastic member 34; the buoy 30 is a conventional plastic column, a guide column 301 is arranged at the bottom of the buoy, a hook structure is arranged on the buoy 30 and comprises a groove 302 and a connecting rod 303, the groove 302 is a groove arranged at the upper part of the buoy 30, the connecting rod 303 is a cross rod integrally formed with the buoy 30, and the connecting rod 303 is positioned in the groove 302.

Wherein the rod 31 is a round rod made of brass, the rod 31 is partially inserted into the groove 302, and a protrusion 311 is disposed at an end of the rod 31, the protrusion 311 contacts with a sidewall of the connecting rod 303, so that the protrusion 311 ensures that the rod 31 and the buoy 30 can be stably connected; the sealing plug 32 is made of rubber and is detachably connected with one end of the rod body 31 through an inserting structure.

Further, a connecting portion 319 is arranged at an end portion of the rod body 31, the connecting portion 319 is a portion of the rod body 31 having a thread, the elastic member 34 is screwed with the connecting portion 319, and the elastic member 34 is a spring; the exhaust member 33 is a metal member, a vent hole is formed in the middle of the exhaust member 33, the gas in the valve body 101 can be exhausted from the vent hole, a threaded portion 331 is formed on the exhaust member 33, the threaded portion 331 is a portion with threads, and the other end of the elastic member 34 is in threaded connection with the threaded portion 331, so that when the buoyancy of water reaches a certain height, the float 30 blocks the vent hole by the sealing plug 32; a fixing part 332 in threaded connection with the inner wall of the boss 191 is arranged on the exhaust member 33, a rotation stopping part 332 is arranged on the fixing part 332, and the rotation stopping part 332 is a groove with a plane inner wall; the cap 35 is a metal cap, the cap 35 is screwed on the boss 191, the cap 35 is provided with an air outlet 351, and the gas discharged from the vent hole can be discharged from the air outlet 351.

Further, a filter screen 4 is sleeved on the ceramic valve core 20 and used for filtering impurities in the circulating medium and preventing the air outlet 13 from being blocked.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. A waste valve characterized in that: comprises that

A valve body (10) having a medium flow passage (11) through which a medium flows;

a liquid inlet channel (12) arranged in the valve body (10);

the liquid outlet channel (13) is arranged in the valve body (10), and the liquid outlet channel (13) is vertical to the liquid inlet channel (12);

the transition channel (14) is arranged in the valve body (10) and is used for communicating the liquid inlet channel (12) with the liquid outlet channel (13);

the ceramic valve core (20) is detachably arranged in the transition channel (14), and the ceramic valve core (20) is in butt fit with the inner wall of the medium flow channel (11).

2. A waste valve as claimed in claim 1, wherein: the liquid inlet end of the ceramic valve core (20) is communicated with the liquid inlet channel (12), and the liquid outlet end of the ceramic valve core (20) is communicated with the liquid outlet channel (13).

3. A waste valve as claimed in claim 1, wherein: the axis of the transition channel (14) coincides with the axis of the liquid inlet channel (12), and the transition channel (14) is perpendicular to the liquid outlet channel (13).

4. A waste valve as claimed in claim 1, wherein: a blocking part (111) is arranged between the transition channel (14) and the liquid inlet channel (12), and after the ceramic valve core (20) is connected with the valve body (10), the ceramic valve core (20) is abutted to the blocking part (111).

5. A waste valve as claimed in claim 1, wherein: a plug (171) is movably connected to the liquid outlet channel (13), and a sealing ring (172) is arranged between the plug (171) and the valve body (10).

6. A waste valve as claimed in claim 1, wherein: swing joint has on the feed liquor end outer wall of valve body (10) and pushes away piece (161), it faces to push away piece (161) medium runner (11) feed liquor end one side butt has first sealing washer (162).

7. A waste valve as claimed in claim 1, wherein: the ceramic valve core (20) comprises a valve core shell (21), a rotary core (22) which is rotatably arranged on the valve core shell (21), a first sealing piece (23) which is arranged at the end part of the valve core shell (21), and a second sealing piece (24) which is sleeved on the valve core shell (21).

8. A waste valve as claimed in claim 7, wherein: the valve body (10) is provided with a valve handle (15), and the valve handle (15) is in rotation stopping connection with the rotating core (22).

9. A waste valve as claimed in claim 1, wherein: be equipped with on valve body (10) and go out gas cavity (18) and control and go out gas exhaust's exhaust subassembly in gas cavity (18), go out gas cavity (18) with medium runner (11) intercommunication, just the tip of going out gas cavity (18) is equipped with valve gap (19).

10. A waste valve as claimed in claim 9, wherein: the exhaust assembly comprises a float bowl (30) arranged in the air outlet cavity (18), a rod body (31) connected with the float bowl (30), an exhaust part (33) arranged on the valve cover (19), a sealing plug (32) arranged on the rod body (31), and the rod body (31) is connected with the exhaust part (33) through an elastic part (34).