CN216112436U

CN216112436U - Automatic air exhaust valve

Info

Publication number: CN216112436U
Application number: CN202122517327.4U
Authority: CN
Inventors: 艾红英
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-03-22
Anticipated expiration: 2031-10-11

Abstract

The utility model discloses an automatic air exhaust valve which comprises a flange plate and a first valve body, wherein a second stainless steel filter screen is fixedly connected to the position, close to the top, of the inner wall of the first valve body, an exhaust pipe penetrates through the middle position of the top of the first valve body, the bottom of the exhaust pipe is fixedly connected with the second stainless steel filter screen, one ends of two connecting rods are fixedly connected with limiters, the positions of the bottoms of the outer walls of the two sides of the first valve body are fixedly connected with first mounting plates, and the middle position of the outer wall of the left side of the second valve body penetrates through and is fixedly connected with a drain outlet. According to the utility model, the water flowing into the valve body can push the floating ball in the limiter, and the floating ball can push the connecting rod in the exhaust pipe to exhaust up and down while pushing, so that the gas in the valve body can be effectively discharged, the valve body can be disassembled through the bolt, and the problem in the exhaust pipe can be checked after the valve body is disassembled, so that the service life of the exhaust valve can be greatly prolonged, and the exhaust valve is worthy of great popularization.

Description

Automatic air exhaust valve

Technical Field

The utility model relates to the field of pipeline valves, in particular to an automatic air exhaust valve.

Background

Air valve: air valves are arranged at the high point of a pressure water tank of a pump station and on each water conveying pipeline and are used for discharging air in the water conveying pipeline outwards when the water conveying pipeline is filled with water at the initial stage and the pipeline is periodically overhauled, so that pressure fluctuation is avoided; when the water hammer generated by the water conveying pipeline generates negative pressure, the air valve is opened to enable air outside the pipeline to enter the pipeline so as to prevent larger negative pressure from being generated in the pipeline and play a role in protection; when the pipeline system is operated, when the air dissolved in water is released due to the change of pressure or temperature in the pipeline, the air valve discharges the air in time, and the air bag formed in the pipeline is prevented from influencing the operation of the pipeline system.

Chinese patent 202110452840.1 discloses an exhaust valve, which includes a valve body, a plug, a spring, and a float; the plug head, the spring and the buoy are all positioned in the valve body; the lower end of the valve body is provided with a through hole, and the upper end of the valve body is provided with an air hole; the isolating plate is arranged in the valve body and is positioned below the buoy; and the isolating plate is provided with a pressure stabilizing hole. During operation, the water pressure in the pipeline fluctuates, and water flow rushes into the valve body, and then the division board blocks the rapid flow of water flow, and makes water flow slowly flow through the pressure stabilizing hole, so that the probability that water leaks from the air hole is reduced, and the waste of water resources is reduced. The inside filter screen that does not possess of this patent to and discharge valve main part does not possess dismounting device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an automatic air exhaust valve.

In order to achieve the purpose, the utility model adopts the following technical scheme that the automatic air exhaust valve comprises a flange plate and a first valve body, a second valve body is fixedly connected at the middle position of the top of the flange plate, a second stainless steel filter screen is fixedly connected at the position close to the top of the inner wall of the first valve body, the middle position of the top of the first valve body is penetrated and provided with an exhaust pipe, the bottom of the exhaust pipe is fixedly connected with the second stainless steel filter screen, the middle positions of two sides of the inner wall of the first valve body are fixedly connected with connecting rods, one end of each connecting rod is fixedly connected with a limiter, the valve is characterized in that the bottom positions of outer walls on two sides of the first valve body are fixedly connected with first mounting plates, the top positions of outer walls on two sides of the second valve body are fixedly connected with second mounting plates, the middle positions of the first mounting plates are all penetrated and provided with first screw holes, and the middle positions of the second mounting plates are all penetrated and provided with second screw holes.

As a further description of the above technical solution:

the inner wall of the second valve body is fixedly connected with a first stainless steel filter screen close to the top.

As a further description of the above technical solution:

the exhaust pipe internal diameter sliding connection has the connecting rod and the connecting rod runs through second stainless steel filter screen, connecting rod bottom fixedly connected with floater and floater are located between two limiters.

As a further description of the above technical solution:

the middle position of the top of the first valve body penetrates through and is fixedly connected with an exhaust port, and the exhaust port is communicated with an exhaust pipe.

As a further description of the above technical solution:

and a sewage draining outlet is penetrated and fixedly connected in the middle of the outer wall of the left side of the second valve body.

As a further description of the above technical solution:

and bolts are connected in the first screw holes and the second screw holes in a threaded manner.

The utility model has the following beneficial effects:

1. according to the utility model, the water-saving exhaust valve is firstly installed on a pipeline needing exhaust through the flange plate, water can flow into the second valve body and the first valve body through the flange plate, stainless steel filter screens are arranged in the valve bodies, the filter screens can prevent internal blockage, the exhaust pipe is arranged in the middle of the top of the first valve body, the outer diameter of the exhaust pipe is provided with an exhaust port, the limiter is arranged in the middle of the inner wall of the first valve body, water flowing into the valve body can push a floating ball in the limiter, the floating ball can push a connecting rod in the exhaust pipe to exhaust air up and down, and the air in the valve body can be effectively exhausted.

2. According to the utility model, the sewage discharge port is formed in the outer wall of the left side of the second valve body, so that sewage in the exhaust valve can be discharged, the first mounting plate and the second mounting plate are arranged on the outer walls of the first valve body and the second valve body, the screw holes are formed in the mounting plates, the valve bodies can be disassembled through bolts, and the problems in the valve bodies and the later maintenance conditions can be checked after the valve bodies are disassembled, so that the service life of the exhaust valve can be greatly prolonged, and the exhaust valve is worth of being widely popularized.

Drawings

FIG. 1 is an internal structure of an automatic air discharge valve according to the present invention;

FIG. 2 is a front view of the automatic air vent valve according to the present invention;

illustration of the drawings:

1. a flange plate; 2. a sewage draining outlet; 3. a first stainless steel filter screen; 4. a first valve body; 5. a second stainless steel filter screen; 6. an exhaust port; 7. an exhaust pipe; 8. a connecting rod; 9. a floating ball; 10. a connecting rod; 11. a limiter; 12. a first screw hole; 13. a first mounting plate; 14. a bolt; 15. a second valve body; 16. a second mounting plate; 17. and a second screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: an automatic air exhaust valve comprises a flange plate 1 and a first valve body 4, wherein a second valve body 15 is fixedly connected at the middle position of the top of the flange plate 1, a second stainless steel filter screen 5 is fixedly connected at the inner wall of the first valve body 4 close to the top position, an exhaust pipe 7 penetrates through and is provided at the middle position of the top of the first valve body 4, the bottom of the exhaust pipe 7 is fixedly connected with the second stainless steel filter screen 5, connecting rods 10 are fixedly connected at the middle positions of two sides of the inner wall of the first valve body 4, one ends of the two connecting rods 10 are fixedly connected with a limiter 11, the bottom positions of the outer walls of two sides of the first valve body 4 are fixedly connected with first mounting plates 13, the top positions of the outer walls of two sides of the second valve body 15 are fixedly connected with second mounting plates 16, first screw holes 12 penetrate through and are provided at the middle positions of the two first mounting plates 13, second screw holes 17 penetrate through and are provided at the middle positions of the two second mounting plates 16, and are firstly mounted on a pipeline needing exhaust through the flange plate 1, water can flow into in second valve body 15 and first valve body 4 through the ring flange, the inside stainless steel filter screen that all is provided with of valve body, the filter screen can prevent internal blocking, 4 top intermediate positions of first valve body are provided with blast pipe 7, 7 external diameters of blast pipe are provided with the gas vent, be provided with limiter 11 in the middle of the 4 inner walls of first valve body, the inside water of inflow valve body can promote the inside floater 9 of limiter 11, also can push away connecting rod 8 inside blast pipe 7 when floater 9 promotes and exhaust from top to bottom, can effectually get rid of the inside gas of valve body.

A first stainless steel filter screen 3 is fixedly connected to the inner wall of the second valve body 15 close to the top position, the inner diameter of the exhaust pipe 7 is slidably connected with a connecting rod 8, the connecting rod 8 penetrates through the second stainless steel filter screen 5, a floating ball 9 is fixedly connected to the bottom end of the connecting rod 8, the floating ball 9 is positioned between the two limiters 11, an exhaust port 6 is fixedly connected to the middle position of the top of the first valve body 4, the exhaust port 6 is communicated with the exhaust pipe 7, a drain outlet 2 is fixedly connected to the middle position of the outer wall of the left side of the second valve body 15, bolts 14 are respectively and threadedly connected into the two first screw holes 12 and the second screw hole 17, a drain outlet 2 is arranged on the outer wall of the left side of the second valve body 15, sewage in the exhaust valve can be discharged, a first mounting plate 13 and a second mounting plate 16 are arranged on the outer walls of the first valve body 4 and the second valve body 15, screw holes are arranged in the mounting plates, and the valve body can be disassembled through the bolts, after the disassembly, the inside problem and the later maintenance condition can be checked, so that the service life of the exhaust valve can be greatly prolonged.

The working principle is as follows: firstly, the water is arranged on a pipeline needing exhaust through a flange plate 1, the water flows into a second valve body 15 and a first valve body 4 through the flange plate, stainless steel filter screens are arranged in the valve bodies and can prevent internal blockage, an exhaust pipe 7 is arranged in the middle of the top of the first valve body 4, the outer diameter of the exhaust pipe 7 is provided with an exhaust port, a limiter 11 is arranged in the middle of the inner wall of the first valve body 4, the water flowing into the valve bodies can push a floating ball 9 in the limiter 11, the floating ball 9 can push a connecting rod 8 in the exhaust pipe 7 to exhaust the air up and down at the same time of pushing, the air in the valve bodies can be effectively exhausted, a sewage discharge port 2 is arranged on the outer wall of the left side of the second valve body 15 and can discharge the sewage in the exhaust valve, a first mounting plate 13 and a second mounting plate 16 are arranged on the outer walls of the first valve body 4 and the second valve body 15, screw holes are arranged in the mounting plates, the valve body can be disassembled through the bolt, and the maintenance condition of whether the inside has problems or not and the later period can be checked after the disassembly, so that the service life of the exhaust valve can be greatly prolonged.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Automatic air vent valve, including ring flange (1) and first valve body (4), its characterized in that: the middle position of the top of the flange plate (1) is fixedly connected with a second valve body (15), the inner wall of the first valve body (4) is fixedly connected with a second stainless steel filter screen (5) by the top position, the middle position of the top of the first valve body (4) penetrates through and is provided with an exhaust pipe (7), the bottom of the exhaust pipe (7) is fixedly connected with the second stainless steel filter screen (5), the middle positions of the two sides of the inner wall of the first valve body (4) are fixedly connected with connecting rods (10), two ends of the connecting rods (10) are fixedly connected with limiters (11), the bottom positions of the outer walls of the two sides of the first valve body (4) are fixedly connected with first mounting plates (13), the top positions of the outer walls of the two sides of the second valve body (15) are fixedly connected with second mounting plates (16), and the middle positions of the first mounting plates (13) penetrate through and are provided with first screw holes (12), and the middle positions of the two second mounting plates (16) penetrate through and are provided with second screw holes (17).

2. The automatic air vent valve of claim 1 wherein: the inner wall of the second valve body (15) is fixedly connected with a first stainless steel filter screen (3) close to the top.

3. The automatic air vent valve of claim 1 wherein: exhaust pipe (7) internal diameter sliding connection has connecting rod (8) and connecting rod (8) to run through second stainless steel filter screen (5), connecting rod (8) bottom fixedly connected with floater (9) and floater (9) are located between two limiters (11).

4. The automatic air vent valve of claim 1 wherein: the middle position of the top of the first valve body (4) penetrates through and is fixedly connected with an exhaust port (6), and the exhaust port (6) is communicated with an exhaust pipe (7).

5. The automatic air vent valve of claim 1 wherein: and a sewage draining outlet (2) penetrates through and is fixedly connected with the middle position of the outer wall of the left side of the second valve body (15).

6. The automatic air vent valve of claim 1 wherein: and bolts (14) are in threaded connection with the first screw holes (12) and the second screw holes (17).