CN217736387U

CN217736387U - High-pressure automatic exhaust valve

Info

Publication number: CN217736387U
Application number: CN202221930316.7U
Authority: CN
Inventors: 高扬; 李跃文; 刘志刚; 吕德鹏; 徐勇; 刘皓天
Original assignee: Shenyang Xinlian Petrochemical Equipment Co Ltd
Current assignee: Shenyang Xinlian Petrochemical Equipment Co Ltd
Priority date: 2022-07-26
Filing date: 2022-07-26
Publication date: 2022-11-04
Anticipated expiration: 2032-07-26

Abstract

The utility model discloses a high pressure automatic exhaust valve, concretely relates to pressure vessel technical field, which comprises a valve body, floater device and a spacing section of thick bamboo, the disk seat and a spacing section of thick bamboo fixed connection of valve body, the inside exhaust passage who is equipped with of disk seat can make the inside and outside atmosphere intercommunication of a spacing section of thick bamboo, the valve gap of valve body can set up in a spacing section of thick bamboo with removing, the valve gap is articulated with the inside compressed gas's of packing floater device, spacing section of thick bamboo is equipped with the water conservancy diversion passageway and can makes in fluid or gaseous entering spacing section of thick bamboo, the floater device receives fluidic buoyancy to keep making valve gap and the disk seat of being connected closely laminate and close exhaust passage when the fluid buoyancy that it receives is overcome to the gas pressure on the floater device, the floater device removes to the second position from the first position, the valve gap at least part of connecting the floater device leaves the disk seat and can make exhaust passage open. The utility model discloses a high pressure automatic exhaust valve simple structure, the noise is little, and compressive capacity is strong, saves installation space.

Description

High-pressure automatic exhaust valve

Technical Field

The utility model relates to a pressure vessel technical field especially relates to a high pressure automatic exhaust valve.

Background

The air eliminator is used as an accessory device of the liquid flowmeter, can separate out solid impurities and gas in pipeline fluid, and ensures that the flowmeter can work normally and the metering accuracy. The automatic exhaust valve is a key part for eliminating gas impurities carried in liquid media in the air eliminator. When the automatic exhaust valve arranged outside the air eliminator is used, the noise is high, and the valve structure is complex; the automatic exhaust valve arranged in the air eliminator has low noise and small volume when in use, and can save the installation space of the air eliminator. Because the floater in the floater automatic exhaust valve is a hollow closed sphere, the floater is damaged due to easy instability under large external pressure, and the exhaust valve fails, at present, the rigidity of the floater can be improved by increasing the wall thickness of the floater, and then large internal pressure in the air eliminator is borne, but the wall thickness of the floater is increased, the weight is increased, and larger volume is needed to provide buoyancy, so that the volume of the automatic exhaust valve is increased, and the installation space of the air eliminator is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high pressure air relief valve to solve the problem that above-mentioned prior art exists, simple structure, the noise is little, and compressive capacity is strong, saves installation space.

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

the utility model provides a high pressure automatic exhaust valve, including valve body, floater device and a spacing section of thick bamboo, the valve body includes valve gap and disk seat, the disk seat with a spacing section of thick bamboo fixed connection, the inside exhaust passage that is equipped with of disk seat, exhaust passage can make the inside and outside atmosphere intercommunication of a spacing section of thick bamboo, the valve gap can set up with removing in a spacing section of thick bamboo, the valve gap with the floater device is articulated, the inside compressed gas that can fill of floater device, a spacing section of thick bamboo is equipped with the water conservancy diversion passageway and can makes fluid or gaseous entering in a spacing section of thick bamboo, the floater device is when the first position, connects the floater device the valve gap with the valve seat is closely laminated and can be closed the exhaust passage, the floater device is when the second position, connects the floater device the valve gap part leaves at least the disk seat can make exhaust passage opens, receives fluidic buoyancy effect the floater device can keep in the first position, the internal gas of a spacing section of thick bamboo acts on the pressure on the floater device can overcome the fluidic buoyancy that the floater device receives and makes the floater device removes the first position extremely the second position.

Preferably, one end of the valve seat penetrates through the upper end face of the limiting cylinder and is fixedly connected with the upper end face of the limiting cylinder, the other end of the valve seat is hinged with the valve cover, and the relative position of the valve cover and the valve seat is changed so as to control the opening or closing of the exhaust channel.

Preferably, the ball valve further comprises a sealing device, one end of the sealing device is fixedly connected with the valve cover, the other end of the sealing device is fixedly connected with the valve seat, when the floating ball device moves from the first position to the second position, the sealing device moves along with the valve cover and can open the exhaust channel, and when the floating ball device moves from the second position to the first position, the sealing device moves along with the valve cover and can seal the exhaust channel.

Preferably, the sealing device is a sealing rubber pad.

Preferably, the floating ball device comprises a ball body and a pressurizing sealing connecting piece, the ball body is fixedly connected with the pressurizing sealing connecting piece, the pressurizing sealing connecting piece is provided with an inflating channel, the pressurizing sealing connecting piece is communicated with the ball body through the inflating channel, and the pressurizing sealing connecting piece can seal the floating ball device.

Preferably, the flow guide channels are uniformly distributed on the side surface and the bottom surface of the limiting cylinder.

Preferably, the flow guide channel is a circular hole.

Preferably, the limiting cylinder is made of stainless steel.

Preferably, one end of the valve seat is hinged to one end of the valve cover through a first pin shaft, and the other end of the valve cover is hinged to the floating ball device through a second pin shaft.

The utility model discloses for prior art gain following technological effect:

the utility model provides a high pressure automatic exhaust valve, the floater device is articulated with the valve gap, the valve gap can set up in spacing section of thick bamboo with removing, whole device simple structure, change the position relation of valve gap and disk seat through the fluctuation of floater device in spacing section of thick bamboo, when gas pressure is greater than the pressure in the floater device, the floater device drives the valve gap and descends together, exhaust passage opens and exhausts gas, gaseous reduction, pressure reduction, the fluid increases thereupon, the floater device drives the valve gap upwards and closes exhaust passage thereupon, the floater device is through inside packing compressed gas, can strengthen high pressure automatic exhaust valve's compressive capacity, the wall thickness that need not increase the floater offsets the volume increase that great interior pressure leads to high pressure automatic exhaust valve, spacing section of thick bamboo can restrict the removal space of floater device, thereby the installation space of air eliminator has also been saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a high pressure automatic exhaust valve according to the present embodiment;

fig. 2 is a schematic structural view of a floating ball device in a high-pressure automatic exhaust valve.

In the figure: 1-a floating ball device; 2-valve cover; 3-sealing means; 4-first axle pin; 5-valve seat; 6-a limiting cylinder; 7-a second pin shaft; 8-an exhaust channel; 9-sphere; 10-pressurized sealing connections; 11-inflation channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work belong to the protection scope of the present invention.

The utility model aims at providing a high pressure automatic exhaust valve to solve the problem that above-mentioned prior art exists, simple structure, the noise is little, and compressive capacity is strong, saves installation space.

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.

As shown in figure 1, the utility model provides a high-pressure automatic exhaust valve, which comprises a valve body, a floating ball device 1 and a limiting cylinder 6, wherein the valve body comprises a valve cover 2 and a valve seat 3, the valve seat 3 passes through the upper end surface of the limiting cylinder 6 and is fixedly connected with the limiting cylinder 6, an exhaust passage 8 is arranged inside the valve seat 3, the exhaust passage 8 can enable the inside of the limiting cylinder 6 to be communicated with the outside atmosphere, the valve cover 2 is hinged with the valve seat 3, the structure is simple, the valve cover 2 is hinged with the floating ball device 1, the inside of the floating ball device 1 can be filled with compressed gas, the pressure resistance of the floating ball device is enhanced, the limiting cylinder 6 is provided with a flow guide passage which can enable fluid or gas to enter the limiting cylinder 6, the floating ball device 1 can float up and down according to the pressure change of the gas in the limiting cylinder 6, the floating ball device 1 moves up and down in the limiting cylinder 6 without increasing the volume of the exhaust valve, therefore, the installation space of the air eliminator is also reduced, when the floating ball device 1 is at the first position, the valve cover 2 connected with the floating ball device 1 is tightly attached to the valve seat 3 and can close the exhaust channel 8, when the floating ball device 1 is at the second position, at least part of the valve cover 2 connected with the floating ball device 1 is separated from the valve seat 3 and can open the exhaust channel 8, the floating ball device 1 can be kept at the first position under the action of the buoyancy of the fluid, the pressure of the gas in the limiting cylinder 6 acting on the floating ball device 1 can overcome the buoyancy of the fluid borne by the floating ball device 1 and can move the floating ball device 1 to be separated from the first position to the second position, the exhaust channel 8 is opened and exhausts the gas, the gas is reduced, the pressure is reduced, the fluid is increased therewith, and the floating ball device 1 drives the valve cover 2 to move upwards to the first position and close the exhaust channel 8 therewith.

The utility model discloses a 3 one ends of disk seat pass 6 up ends of a spacing section of thick bamboo and with 6 up end fixed connection of a spacing section of thick bamboo, the 3 other ends of disk seat are articulated with valve gap 2, thereby change valve gap 2 and disk seat 3's relative position can control opening or closing of exhaust passage 8.

The utility model discloses a high pressure automatic exhaust valve still includes

sealing device

3, 3 one end of sealing device and 2 fixed connection of valve gap, the 3 other ends of sealing device and 3 fixed connection of disk seat, sealing device 3 is sealing rubber pad, when floater device 1 moves from the primary importance to the second place, sealing device 3 follows and moves and can make exhaust passage 8 open with 1 articulated valve gap 2 of floater device, gaseous 8 back of discharging from exhaust passage, when floater device 1 returns to the primary importance from the second place and moves, sealing device 3 follows valve gap 2 equally and moves

messenger valve gap

2 and 3 inseparable laminatings of disk seat, thereby make exhaust passage 8 sealed, gaseous stopping revealing in the automatic exhaust valve.

As shown in fig. 2, the utility model discloses a floater device 1 includes spheroid 9 and pressure boost sealing connection 10, spheroid 9 and pressure boost sealing connection 10 fixed connection, spheroid 9 can pass through welded fastening with pressure boost sealing connection 10, pressure boost sealing connection 10 has inflation channel 11, pressure boost sealing connection 10 passes through inflation channel 11 and spheroid 9 intercommunication, add compression high-pressure gas in to spheroid 9 through inflation channel 11, can realize under the condition that does not change discharge valve overall structure, improve the bearing capacity, pressure boost sealing connection 10 can make floater device 1 sealed, guarantee floater device 1's leakproofness.

The utility model discloses a water conservancy diversion passageway can evenly be laid in 6 sides of a spacing section of thick bamboo and bottom surface, and the water conservancy diversion passageway is the round hole, and fluid or gaseous can get into spacing section of thick bamboo 6 through the water conservancy diversion passageway in, and then make the floater device 1 in the spacing section of thick bamboo 6 can be according to the gaseous pressure variation in the spacing section of thick bamboo 6 and produce the fluctuation.

The utility model discloses a 6 materials of spacing section of thick bamboo are the stainless steel.

The utility model discloses a 3 one ends of disk seat and 2 one ends of valve gap are articulated through first round pin axle 4, and the 2 other ends of valve gap are articulated through second round pin axle 7 with floater device 1, and the articulated department that will sell the axle and be used for disk seat 3 and valve gap 2 and floater device 1's articulated department constitutes hinged joint, and reliable operation dismantles the convenience.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. A high-pressure automatic exhaust valve is characterized in that: the floating ball device comprises a valve body, a floating ball device and a limiting cylinder, wherein the valve body comprises a valve cover and a valve seat, the valve seat is fixedly connected with the limiting cylinder, an exhaust channel is arranged in the valve seat and can enable the interior of the limiting cylinder to be communicated with the outside atmosphere, the valve cover is movably arranged in the limiting cylinder and is hinged with the floating ball device, compressed gas can be filled in the floating ball device, a flow guide channel is arranged in the limiting cylinder and can enable fluid or gas to enter the limiting cylinder, when the floating ball device is at a first position, the valve cover connected with the floating ball device is closely attached to the valve seat and can close the exhaust channel, when the floating ball device is at a second position, at least part of the valve cover connected with the floating ball device leaves the valve seat and can enable the exhaust channel to be opened, the floating ball device can be kept at the first position under the action of buoyancy of the fluid, and the pressure of the gas acting on the floating ball device in the limiting cylinder can overcome the buoyancy of the fluid borne by the floating ball device and enables the floating ball device to move away from the first position to the second position.

2. The high pressure automatic exhaust valve according to claim 1 wherein: one end of the valve seat penetrates through the upper end face of the limiting cylinder and is fixedly connected with the upper end face of the limiting cylinder, the other end of the valve seat is hinged with the valve cover, and the relative position of the valve cover and the valve seat is changed so as to control the opening or closing of the exhaust channel.

3. The high pressure automatic exhaust valve according to claim 1 wherein: the floating ball device moves from the first position to the second position, the sealing device moves along with the valve cover and can open the exhaust channel, and when the floating ball device moves from the second position to the first position, the sealing device moves along with the valve cover and can seal the exhaust channel.

4. The high pressure automatic exhaust valve according to claim 3 wherein: the sealing device is a sealing rubber pad.

5. The high pressure automatic exhaust valve according to claim 1, characterized in that: the floating ball device comprises a ball body and a pressurizing sealing connecting piece, the ball body is fixedly connected with the pressurizing sealing connecting piece, the pressurizing sealing connecting piece is provided with an inflation channel, the pressurizing sealing connecting piece is communicated with the ball body through the inflation channel, and the pressurizing sealing connecting piece can enable the floating ball device to be sealed.

6. The high pressure automatic exhaust valve according to claim 1, characterized in that: the flow guide channels are uniformly distributed on the side surface and the bottom surface of the limiting cylinder.

7. The high pressure automatic exhaust valve according to claim 6 wherein: the flow guide channel is a round hole.

8. The high pressure automatic exhaust valve according to claim 1 wherein: the limiting cylinder is made of stainless steel.

9. The high pressure automatic exhaust valve according to claim 1 wherein: one end of the valve seat is hinged with one end of the valve cover through a first pin shaft, and the other end of the valve cover is hinged with the floating ball device through a second pin shaft.