CN219994510U - Be used for pipeline pressure release discharge valve - Google Patents

Abstract

The utility model discloses a pressure relief exhaust valve for a pipeline, which belongs to the technical field of exhaust valves and adopts the technical scheme that the pressure relief exhaust valve comprises an automatic exhaust valve and an exhaust port, wherein an exhaust cover is sleeved on the surface of the automatic exhaust valve, the top of the exhaust cover is provided with an exhaust pipe, and the bottom of the exhaust pipe is provided with a rotating mechanism; the rotating mechanism comprises a first sealing ring, a second sealing ring and a first high-temperature-resistant rubber sealing ring, wherein the first sealing ring, the second sealing ring and the first high-temperature-resistant rubber sealing ring are fixedly sleeved on the surface of the exhaust pipe, the top of the first sealing ring is in contact with the top of the inner wall of the exhaust hood, the problem that the angle of an exhaust port of a large part of existing automatic exhaust valves cannot be adjusted is solved, when the automatic exhaust valves are installed in a narrow space, the automatic exhaust valves cannot be adaptively adjusted according to different installation environments, and the external honeycomb duct is inconvenient to connect with the exhaust port of the automatic exhaust valves, so that the using effect is influenced.

Description

Be used for pipeline pressure release discharge valve

Technical Field

The utility model relates to the technical field of exhaust valves, in particular to an exhaust valve for pipeline pressure relief.

Background

The automatic exhaust valve is applied to the pressure relief and exhaust of pipelines such as an independent heating system, a central heating system, a heating boiler, a central air conditioner, a floor heating system, a solar heating system and the like.

At present, the Chinese patent with the bulletin number of CN218347961U discloses an automatic exhaust valve, and the technical scheme is as follows: including the discharge valve body, discharge valve body bottom fixedly connected with foundation ring, the inside fixed two hollow guide posts that are equipped with of discharge valve body, discharge valve body top cover is equipped with the discharge valve end cover, and discharge valve end cover bottom is fixed to be equipped with the fixed block, and fixed block one side is fixed to be equipped with the exhaust chamber, and automatic discharge valve beneficial effect is: when the water level inside the exhaust valve body changes, the buoyancy is used for driving the plastic support sleeve to slide along the hollow guide post, so that a gap between the pontoon and the inner wall of the exhaust valve body is kept unchanged when the pontoon moves up and down, the smoothness of exhaust is ensured, the pontoon is prevented from being contacted with the inner wall of the exhaust valve body, the exhaust hole on the side surface is driven to rotate when the exhaust adjusting cap rotates, the exhaust hole can point to other directions, the purpose of adjusting the exhaust direction is achieved, and potential safety hazards are prevented from being caused when the exhaust hole is used for exhausting gas.

Most of the existing exhaust port angles of the automatic exhaust valves cannot be adjusted in angle, when the automatic exhaust valves are installed in a narrow space, the automatic exhaust valves cannot be adjusted adaptively according to different installation environments, and the external honeycomb duct cannot be connected with the exhaust ports of the automatic exhaust valves conveniently.

Disclosure of Invention

The utility model provides a pressure relief exhaust valve for a pipeline, and aims to solve the problems that the angle of an exhaust port of most of existing automatic exhaust valves cannot be adjusted, when the automatic exhaust valves are installed in a narrow space, the automatic exhaust valves cannot be adjusted adaptively according to different installation environments, and the external honeycomb duct is inconvenient to connect with the exhaust port of the automatic exhaust valve, so that the using effect is affected.

The utility model is realized in such a way that the exhaust valve for pipeline pressure relief comprises an automatic exhaust valve and an exhaust port, wherein the surface of the automatic exhaust valve is sleeved with an exhaust cover, the top of the exhaust cover is provided with an exhaust pipe, and the bottom of the exhaust pipe is provided with a rotating mechanism;

the rotating mechanism comprises a first sealing ring, a second sealing ring and a first high-temperature-resistant rubber sealing ring, wherein the first sealing ring, the second sealing ring and the first high-temperature-resistant rubber sealing ring are fixedly sleeved on the surface of the exhaust pipe, the top of the first sealing ring is in contact with the top of the inner wall of the exhaust hood, the bottom of the second sealing ring is in contact with the top of the exhaust hood, the top and the bottom of the first high-temperature-resistant rubber sealing ring are respectively in contact with the surfaces of the second sealing ring and the first sealing ring, and the surface of the first high-temperature-resistant rubber sealing ring is in contact with the inner part of the exhaust hood.

In order to achieve the effect of dispersing the gas exhausted by the exhaust pipe, the exhaust pipe is preferably used for the pipeline pressure relief exhaust valve, a fixing plate is arranged in the exhaust pipe, a dispersing cone is fixedly connected to the rear side of the fixing plate, a connecting column is fixedly connected to the surface of the fixing plate, and one side, close to the inner wall of the exhaust pipe, of the connecting column is fixedly connected with the inner wall of the exhaust pipe.

In order to achieve the effect of keeping the exhaust gas of the exhaust pipe in a dispersed state, as one of the exhaust valves for pipeline pressure relief, the left side of the exhaust pipe is preferably provided with a fixed ring, the left side of the fixed ring is provided with a circular cover, and the surface of the circular cover is in threaded connection with the inner wall of the fixed ring.

In order to achieve the effect of conveniently connecting the fixed slip ring with the exhaust pipe, the right side of the fixed ring is fixedly connected with four connecting rods, and the right side of the connecting rod is fixedly connected with the left side of the exhaust pipe.

In order to achieve the effect of conveniently screwing the round cover, the air release valve for pipeline pressure release is preferable, and a groove is formed in the round cover.

In order to achieve the sealing effect between the conical barrel and the automatic exhaust valve, the exhaust valve for pipeline pressure relief is preferable, the conical barrel is fixedly communicated with the bottom of the exhaust hood, the inner wall of the conical barrel is fixedly connected with a second high-temperature-resistant rubber sealing ring, and the inner wall of the second high-temperature-resistant rubber sealing ring is tightly contacted with the surface of the automatic exhaust valve.

In order to achieve the effect of connecting the exhaust hood with the automatic exhaust valve, as one preferable exhaust valve for pipeline pressure relief, the conical barrel is internally connected with limit screws in a threaded manner, the number of the limit screws is four, and one side of the limit screw, which is close to the conical barrel, penetrates through the conical barrel and is in close contact with the surface of the automatic exhaust valve.

In order to achieve the effect of avoiding heat absorption of the exhaust hood, the exhaust pipe and the conical barrel, the exhaust valve for pipeline pressure relief is preferably used, heat insulation layers are sprayed on the inner walls of the exhaust hood, the exhaust pipe and the conical barrel, and the heat insulation layers are made of composite silicate heat insulation paint.

In order to achieve the effect of enabling the exhaust hood, the exhaust pipe and the conical barrel to have corrosion resistance, the exhaust hood, the exhaust pipe and the conical barrel are preferably coated with corrosion resistance layers on the surfaces of the exhaust hood, the exhaust pipe and the conical barrel, and the corrosion resistance layers are made of chlorosulfonated polyethylene paint.

Compared with the prior art, the utility model has the beneficial effects that:

this a be used for pipeline pressure release discharge valve, through being in the same place exhaust hood and automatic discharge valve link together, install automatic discharge valve back of taking one's place, can rotate the blast pipe and adjust the angle of blast pipe, seal between first high temperature resistant rubber seal to blast pipe and the inside of exhaust hood, because the first high temperature resistant rubber seal of rubber material exists certain elasticity, therefore the blast pipe can rotate when rotating the blast pipe, automatic discharge valve exhaust gas will advance the inside of the exhaust hood this moment, then get into the inside of blast pipe and discharge, current most automatic discharge valve's gas vent angle can not carry out the angle modulation, when automatic discharge valve installs in narrow and small space inside, can't carry out adaptability adjustment according to different installation environment, inconvenient problem of being connected external honeycomb duct and automatic discharge valve's gas vent.

Drawings

FIG. 1 is an overall block diagram of an exhaust valve for a pipeline pressure relief according to the present utility model;

FIG. 2 is a schematic view showing the three-dimensional connection of an automatic exhaust valve and an exhaust port in the present utility model;

FIG. 3 is an exploded perspective view of the dome and retaining ring of the present utility model;

FIG. 4 is a cross-sectional view of a connection of a rotary mechanism according to the present utility model;

FIG. 5 is a schematic view showing the three-dimensional connection of the venting box and the conical barrel in the present utility model;

FIG. 6 is a cross-sectional view of an exhaust hood according to the present utility model;

fig. 7 is an enlarged view of a portion of fig. 6 a in accordance with the present utility model.

In the figure, 1, an automatic exhaust valve; 2. an exhaust hood; 3. an exhaust pipe; 4. an exhaust port; 5. a rotating mechanism; 501. a first seal ring; 502. a second seal ring; 503. a first high temperature resistant rubber seal ring; 6. a dome; 7. a groove; 8. a connecting rod; 9. a fixing plate; 10. a connecting column; 11. a dispersion cone; 12. a second high temperature resistant rubber seal ring; 13. a limit screw; 14. a conical barrel; 15. a corrosion resistant layer; 16. a thermal insulation layer; 17. and a fixing ring.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-7, the present utility model provides the following technical solutions: the utility model provides a be used for pipeline pressure release discharge valve, includes automatic discharge valve 1 and gas vent 4, and the cover of surface of automatic discharge valve 1 is equipped with exhaust hood 2, and exhaust hood 2's top is provided with blast pipe 3, and the bottom of blast pipe 3 is provided with slewing mechanism 5;

the rotating mechanism 5 comprises a first sealing ring 501, a second sealing ring 502 and a first high-temperature-resistant rubber sealing ring 503, wherein the first sealing ring 501, the second sealing ring 502 and the first high-temperature-resistant rubber sealing ring 503 are fixedly sleeved on the surface of the exhaust pipe 3, the top of the first sealing ring 501 is in contact with the top of the inner wall of the exhaust hood 2, the bottom of the second sealing ring 502 is in contact with the top of the exhaust hood 2, the top and the bottom of the first high-temperature-resistant rubber sealing ring 503 are respectively in contact with the surfaces of the second sealing ring 502 and the first sealing ring 501, and the surface of the first high-temperature-resistant rubber sealing ring 503 is in contact with the inner part of the exhaust hood 2.

In this embodiment: through being in the same place exhaust hood 2 and automatic exhaust valve 1 link together, install automatic exhaust valve 1 back of taking one's place, can rotate the angle of blast pipe 3 to blast pipe 3 and adjust, seal between the inside of first high temperature resistant rubber seal 503 to blast pipe 3 and exhaust hood 2, because there is certain elasticity in the first high temperature resistant rubber seal 503 of rubber material, thus blast pipe 3 can rotate when rotating blast pipe 3, automatic exhaust valve 1 exhaust gas will get into inside exhaust hood 2 this moment, then get into inside blast pipe 3 and discharge, the problem that current most of automatic exhaust valve 1's gas vent 4 angle can not carry out the angle adjustment, when automatic exhaust valve 1 installs in narrow and small space inside, can't carry out adaptive adjustment according to different installation environment, inconvenient be connected external honeycomb duct and automatic exhaust valve 1's gas vent 4.

As a technical optimization scheme of the utility model, a fixed plate 9 is arranged in the exhaust pipe 3, a dispersion cone 11 is fixedly connected to the rear side of the fixed plate 9, a connecting column 10 is fixedly connected to the surface of the fixed plate 9, and one side, close to the inner wall of the exhaust pipe 3, of the connecting column 10 is fixedly connected with the inner wall of the exhaust pipe 3.

In this embodiment: after the exhaust pipe 3 is rotated to a proper position, the gas in the exhaust hood 2 enters the exhaust pipe 3 and is dispersed and discharged out of the exhaust pipe 3 through the dispersion cone 11, so that the impact force of gas discharge can be reduced, and the effect of dispersing the gas discharged out of the exhaust pipe 3 is achieved.

As a technical optimization scheme of the utility model, a fixing ring 17 is arranged on the left side of the exhaust pipe 3, a round cover 6 is arranged on the left side of the fixing ring 17, and the surface of the round cover 6 is in threaded connection with the inner wall of the fixing ring 17.

In this embodiment: the gas discharged from the exhaust pipe 3 can be kept in a dispersed state by blocking the gas by the fixing ring 17 and the round cover 6, and the effect of keeping the gas discharged from the exhaust pipe 3 in a dispersed state is achieved.

As the technical optimization scheme of the utility model, the right side of the fixed ring 17 is fixedly connected with four connecting rods 8, and the right side of the connecting rods 8 is fixedly connected with the left side of the exhaust pipe 3.

In this embodiment: the fixed ring 17 is connected with the exhaust pipe 3 through the connecting rod 8, so that the effect of conveniently connecting the fixed slip ring with the exhaust pipe 3 is achieved.

As a technical optimization scheme of the utility model, a groove 7 is formed in the round cover 6.

In this embodiment: through using external straight screwdriver to insert recess 7, can conveniently twist round cap 6, reached the effect of conveniently twisting round cap 6.

As the technical optimization scheme of the utility model, the bottom of the exhaust hood 2 is fixedly communicated with a conical barrel 14, the inner wall of the conical barrel 14 is fixedly connected with a second high-temperature-resistant rubber sealing ring 12, and the inner wall of the second high-temperature-resistant rubber sealing ring 12 is tightly contacted with the surface of the automatic exhaust valve 1.

In this embodiment: through removing exhaust hood 2 and toper bucket 14 to the top of automatic discharge valve 1, establish toper bucket 14 cover at the surface of automatic discharge valve 1, second high temperature resistant rubber seal 12 can seal between toper bucket 14 and the automatic discharge valve 1 this moment, has reached the effect to sealing between toper bucket 14 and the automatic discharge valve 1.

As a technical optimization scheme of the utility model, the inner thread of the conical barrel 14 is connected with limit screws 13, the number of the limit screws 13 is four, and one side of the limit screws 13 close to the conical barrel 14 passes through the conical barrel 14 and is in close contact with the surface of the automatic exhaust valve 1.

In this embodiment: by screwing the limit screw 13, the limit screw 13 is moved to be in close contact with the surface of the automatic exhaust valve 1, and the exhaust hood 2 and the conical barrel 14 can be connected with the automatic exhaust valve 1, so that the effect of connecting the exhaust hood 2 with the automatic exhaust valve 1 is achieved.

As a technical optimization scheme of the utility model, the inner walls of the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 are all sprayed with the heat insulation layer 16, and the heat insulation layer 16 is made of composite silicate heat insulation paint.

In this embodiment: the heat insulation layer 16 made of the composite silicate heat insulation coating material is sprayed on the inner walls of the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14, so that the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 can be prevented from absorbing heat exhausted by the automatic exhaust valve 1, accidental scalding of personnel is avoided, and the effect of avoiding heat absorption of the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 is achieved.

As a technical optimization scheme of the utility model, the surfaces of the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 are all sprayed with the corrosion-resistant layer 15, and the corrosion-resistant layer 15 is made of chlorosulfonated polyethylene paint.

In this embodiment: through spraying the corrosion-resistant layer 15 made of chlorosulfonated polyethylene paint on the surfaces of the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14, the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 can have the corrosion-resistant function, the service lives of the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 can be prolonged, and the effect of enabling the exhaust hood 2, the exhaust pipe 3 and the conical barrel 14 to have the corrosion resistance is achieved.

Working principle: firstly, the exhaust hood 2 and the cone 14 are moved to the top of the automatic exhaust valve 1, the cone 14 is sleeved on the surface of the automatic exhaust valve 1, at the moment, the second high temperature resistant rubber sealing ring 12 can seal the space between the cone 14 and the automatic exhaust valve 1, then the limit screw 13 is screwed, the limit screw 13 is connected with the cone 14 through threads, the limit screw 13 can be moved when the limit screw 13 rotates, the limit screw 13 is moved to be in close contact with the surface of the automatic exhaust valve 1, the exhaust hood 2 and the cone 14 can be connected with the automatic exhaust valve 1, at the moment, after the automatic exhaust valve 1 is installed, the exhaust pipe 3 can be rotated by stirring the exhaust pipe 3, the first high temperature resistant rubber sealing ring 503 seals the space between the exhaust pipe 3 and the inside of the exhaust hood 2, due to certain elasticity of the first high temperature resistant rubber sealing ring 503 made of rubber material, therefore, when the exhaust pipe 3 is rotated, the exhaust pipe 3 can be rotated, the sealing between the exhaust pipe 3 and the exhaust cover 2 by the first high-temperature-resistant rubber sealing ring 503 is not influenced, the gas exhausted by the automatic exhaust valve 1 firstly enters the inside of the exhaust cover 2 and then enters the inside of the exhaust pipe 3 to be exhausted, the problem that the angle of the exhaust port 4 of most of the existing automatic exhaust valves 1 cannot be adjusted, when the automatic exhaust valve 1 is installed in a narrow space, the adaptive adjustment cannot be carried out according to different installation environments, the problem that the external connection flow guide pipe is inconvenient to connect with the exhaust port 4 of the automatic exhaust valve 1 is solved, after the exhaust pipe 3 is rotated to a proper position, the gas in the exhaust cover 2 enters the exhaust pipe 3 to be dispersed and exhausted out of the exhaust pipe 3 by the dispersion cone 11 is avoided, the impact force of gas exhaust can be reduced, the blocking of the gas by the fixing ring 17 and the round cover 6 is avoided, the exhaust pipe 3 can be kept in a dispersed state, when the exhaust pipe 3 exhaust gas is required to be guided by using the external guide pipe, the round cover 6 can be conveniently screwed by using the external straight screwdriver to be inserted into the groove 7, the round cover 6 can be separated from the fixed ring 17 by being connected with the threads between the fixed ring 17 when the round cover 6 rotates, then the external guide pipe is sleeved on the surface of the exhaust pipe 3 and limited, at the moment, the exhaust pipe 3 exhaust gas can be guided by the external guide pipe, the exhaust cover 2, the exhaust pipe 3 and the conical barrel 14 can be prevented from being scalded by spraying the heat insulation layer 16 made of the composite silicate heat insulation coating material on the inner walls of the exhaust cover 2, the exhaust pipe 3 and the conical barrel 14, the exhaust heat discharged by the automatic exhaust valve 1 can be avoided, and unexpected scalding of personnel can be avoided by spraying the anti-corrosion layer 15 made of chlorosulfonated polyethylene paint material on the surfaces of the exhaust cover 2, the exhaust pipe 3 and the conical barrel 14, and the exhaust cover 2, the exhaust pipe 3 and the conical barrel 14 can be prolonged.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a be used for pipeline pressure release discharge valve, includes automatic discharge valve (1) and gas vent (4), its characterized in that: an exhaust hood (2) is sleeved on the surface of the automatic exhaust valve (1), an exhaust pipe (3) is arranged at the top of the exhaust hood (2), and a rotating mechanism (5) is arranged at the bottom of the exhaust pipe (3);

the rotating mechanism (5) comprises a first sealing ring (501), a second sealing ring (502) and a first high-temperature-resistant rubber sealing ring (503), wherein the first sealing ring (501), the second sealing ring (502) and the first high-temperature-resistant rubber sealing ring (503) are fixedly sleeved on the surface of the exhaust pipe (3), the top of the first sealing ring (501) is in contact with the top of the inner wall of the exhaust hood (2), the bottom of the second sealing ring (502) is in contact with the top of the exhaust hood (2), and the top and the bottom of the first high-temperature-resistant rubber sealing ring (503) are respectively in contact with the surfaces of the second sealing ring (502) and the first sealing ring (501), and the surface of the first high-temperature-resistant rubber sealing ring (503) is in contact with the inner part of the exhaust hood (2).

2. A venting valve for a conduit pressure relief as claimed in claim 1, wherein: the inside of blast pipe (3) is provided with fixed plate (9), the rear side fixedly connected with dispersion awl (11) of fixed plate (9), the fixed surface of fixed plate (9) is connected with spliced pole (10), one side that spliced pole (10) are close to blast pipe (3) inner wall and blast pipe (3) inner wall fixed connection.

3. A venting valve for a conduit pressure relief as claimed in claim 1, wherein: the left side of blast pipe (3) is provided with solid fixed ring (17), gu fixed ring (17) left side is provided with dome (6), the surface of dome (6) and the inner wall threaded connection of solid fixed ring (17).

4. A venting valve for a conduit pressure relief valve as claimed in claim 3, wherein: the right side fixedly connected with connecting rod (8) of solid fixed ring (17), the quantity of connecting rod (8) is four, the right side of connecting rod (8) is connected with the left side fixed of blast pipe (3).

5. A venting valve for a conduit pressure relief valve as claimed in claim 3, wherein: a groove (7) is formed in the round cover (6).

6. A venting valve for a conduit pressure relief as claimed in claim 1, wherein: the bottom of the exhaust hood (2) is fixedly communicated with a conical barrel (14), the inner wall of the conical barrel (14) is fixedly connected with a second high-temperature-resistant rubber sealing ring (12), and the inner wall of the second high-temperature-resistant rubber sealing ring (12) is in close contact with the surface of the automatic exhaust valve (1).

7. A venting valve for a conduit venting valve as defined in claim 6, wherein: the internal thread of toper bucket (14) is connected with limit screw (13), the quantity of limit screw (13) is four, one side that limit screw (13) are close to toper bucket (14) passes toper bucket (14) and with the surface in close contact with of automatic discharge valve (1).

8. A venting valve for a conduit venting valve as defined in claim 6, wherein: the inner walls of the exhaust hood (2), the exhaust pipe (3) and the conical barrel (14) are all coated with heat insulation layers (16), and the heat insulation layers (16) are made of composite silicate heat insulation paint.

9. A venting valve for a conduit venting valve as defined in claim 6, wherein: the surfaces of the exhaust hood (2), the exhaust pipe (3) and the conical barrel (14) are all coated with corrosion-resistant layers (15).

10. A venting valve for a conduit venting valve as defined in claim 9, wherein: the corrosion-resistant layer (15) is made of chlorosulfonated polyethylene paint.