CN217401703U

CN217401703U - Slow release exhaust valve

Info

Publication number: CN217401703U
Application number: CN202220147250.8U
Authority: CN
Inventors: 陈海峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-09-09
Anticipated expiration: 2032-01-19

Abstract

A slow release exhaust valve comprises a valve body, wherein a first exhaust channel is arranged in the valve body, a sealing assembly communicated with the first exhaust channel is arranged in the valve body, the slow release exhaust valve also comprises a floating barrel movably arranged in the valve body, a movable assembly is arranged at the top of the floating barrel, and the movable assembly is driven by the floating barrel to seal or open the sealing assembly; the first exhaust channel comprises a first air outlet and a second air outlet which are longitudinally arranged and a third air outlet which is transversely arranged, the sealing assembly comprises an exhaust gasket and an exhaust gland, the exhaust gasket is arranged on the outer wall of the first air outlet, the exhaust gland is arranged on the exhaust gasket, and at least one part of the exhaust gasket protrudes out of the exhaust gland; the movable assembly comprises a movable baffle and a fixed plate, when the floating cylinder rises to the top of the valve body, the movable baffle seals the exhaust gasket, and when the floating cylinder descends, the movable baffle opens the exhaust gasket so as to communicate the exhaust gasket with the first exhaust channel. The utility model has the characteristics of structural design is reasonable, the security is high, the good and sealing performance of good reliability etc.

Description

Slow release exhaust valve

Technical Field

The utility model relates to an exhaust valve especially relates to a slowly-releasing exhaust valve.

Background

Chinese patent document No. CN212055907U discloses a horizontal soft seal water seal gate valve installed in 04/01/2020, which specifically discloses that a support plate and a balance lever are added inside the valve, an upper gate plate and a lower gate plate form a lever mechanism using the support plate as a pivot through the balance lever, and by the lever mechanism, when the gate valve is in a non-closed state, the gravity of the upper gate plate counteracts the gravity of the lower gate plate to tilt the lower gate plate, so as to ensure that the sealing rings of the upper gate plate and the lower gate plate are separated from the sealing surface of the valve body in the opening and closing process of the valve.

Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a structural design is reasonable, the security is high, the good slow release discharge valve of good and sealing performance of good to overcome the weak point among the prior art.

The slow release exhaust valve designed according to the purpose comprises a valve body and is characterized in that: be equipped with first exhaust passage in the valve body, be equipped with in the valve body with the seal assembly of first exhaust passage intercommunication still includes movably the setting and is in the flotation pontoon in the valve body, the flotation pontoon top is equipped with movable assembly, movable assembly is in the shutoff is opened under the drive of flotation pontoon seal assembly.

The first exhaust passage comprises a first air outlet and a second air outlet which are longitudinally arranged and a third air outlet which is transversely arranged, the sealing assembly comprises an exhaust gasket and an exhaust gland, the exhaust gasket is arranged on the outer wall of the first air outlet, the exhaust gland is arranged on the exhaust gasket, and at least one part of the exhaust gasket protrudes out of the exhaust gland.

The exhaust gasket is conical, truncated cone-shaped or special-shaped.

The movable assembly comprises a movable baffle and a fixed plate, the movable baffle is movably connected with the fixed plate, the floating cylinder rises to the top of the valve body, the movable baffle seals the exhaust gasket, and when the floating cylinder descends, the movable baffle opens the exhaust gasket so as to enable the exhaust gasket to be communicated with the first gas outlet and the third gas outlet.

A water sealing plug is arranged on the second air outlet, and the second air outlet is in threaded connection with the water sealing plug; and a water nozzle is arranged on the third air outlet, the third air outlet is in threaded connection with the water nozzle, and a first sealing ring is arranged between the third air outlet and the water nozzle.

The pressure relief valve is characterized in that a pressure relief channel and a fourth gas outlet are further arranged on the valve body, a pressure relief assembly which moves up and down is arranged in the pressure relief channel, the pressure relief assembly comprises a sealing gasket, a pressure relief pull rod, a water sealing cover and a pressure relief spring, the top opening of the pressure relief channel is plugged by the water sealing cover, the sealing gasket is installed on one end of the pressure relief pull rod and sealed with the fourth gas outlet, and the pressure relief spring is arranged between the water sealing cover and the pressure relief pull rod.

And a pressure relief handle is arranged at the top of the other end of the pressure relief pull rod.

A second sealing ring is arranged between the pressure relief pull rod and the water sealing cover; and a third sealing ring is arranged between the water sealing cover and the inner wall of the pressure relief channel.

The slow release exhaust valve further comprises a first base assembled with the valve body, and a fourth sealing ring is arranged at the assembly position between the valve body and the first base.

And a communicated second exhaust passage is arranged between the first base and the inner cavity of the valve body, and a filter screen is arranged in the second exhaust passage.

The utility model discloses a slow-release exhaust valve is equipped with first exhaust passage in the valve body, be equipped with the seal assembly who communicates with first exhaust passage in the valve body, still include the flotation pontoon that movably sets up in the valve body, the flotation pontoon top is equipped with movable assembly, movable assembly shutoff or open seal assembly under the drive of flotation pontoon, seal assembly includes exhaust packing ring and exhaust gland, movable assembly includes adjustable fender and fixed plate, when the flotation pontoon rises to the valve body top, adjustable fender shutoff exhaust packing ring, when the flotation pontoon descends, adjustable fender opens exhaust packing ring, so that exhaust packing ring, first gas outlet and third gas outlet communicate; still be equipped with pressure release passageway and fourth gas outlet on the valve body, the pressure release subassembly of activity from top to bottom is equipped with in the pressure release passageway, opens first exhaust passage when pressure release subassembly rebound to make pressure release passageway intercommunication first exhaust passage, when pressure release subassembly moves down to pressure release passageway bottom position, sealed the sealed fourth gas outlet that fills up, so that valve body, pressure release passageway and first exhaust passage do not communicate each other. The sealing device has the characteristics of reasonable structural design, high safety, strong reliability, good sealing performance and the like.

Drawings

Fig. 1 is a schematic view of an exploded structure of a slow release exhaust valve according to an embodiment of the present invention.

Fig. 2 is a half-sectional view of an exhaust valve according to an embodiment of the present invention.

Fig. 3 is a schematic view of a float ascending structure according to an embodiment of the present invention.

Fig. 4 is a schematic view of a descending structure of the float according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

1-valve body, 1.1-first exhaust channel, 1.11-first air outlet, 1.12-second air outlet, 1.13-third air outlet, 1.2-pressure relief channel, 1.3-fourth air outlet, 2-sealing component, 2.1-exhaust gasket, 2.2-exhaust gland, 3-float, 4-movable component, 4.1-movable baffle, 4.11-movable shaft, 4.2-fixed plate, 4.21-supporting seat, 5-water-sealing plug, 6-water nozzle, 7-first sealing ring, 8-pressure relief component, 8.1-sealing pad, 8.2-pressure relief pull rod, 8.3-water-sealing cap, 8.4-spring, 9-pressure relief handle, 10-second sealing ring, 11-third sealing ring, 12-first base, 13-fourth sealing ring, 14-second exhaust channel, 15-screen.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-4, in one embodiment, a slow release exhaust valve is provided, which includes a valve body 1, a first exhaust passage 1.1 is provided in the valve body 1, a sealing assembly 2 communicated with the first exhaust passage 1.1 is provided in the valve body 1, and a float bowl 3 movably provided in the valve body 1, a movable assembly 4 is provided on a top of the float bowl 3, and the movable assembly 4 is driven by the float bowl 3 to close or open the sealing assembly 2.

Referring to fig. 2, first exhaust passage 1.1 includes first and second longitudinally disposed air outlets 1.11 and 1.12, and third transversely disposed air outlet 1.13, and sealing assembly 2 includes a vent gasket 2.1 and a vent gland 2.2, where vent gasket 2.1 is disposed on an outer wall of first air outlet 1.11, vent gland 2.2 is disposed on vent gasket 2.1, and at least a portion of vent gasket 2.1 protrudes out of vent gland 2.2.

As shown in fig. 1, the venting washer 2.1 is conical, truncated cone-shaped or profiled.

It should be noted that the specific shape of the vent gasket 2.1 can be set according to actual requirements, for example, the shape of the vent gasket 2.1 can be square, circular, triangular, rectangular, trapezoid, etc.

Referring to fig. 3 and 4, the movable assembly 4 includes a movable baffle 4.1 and a fixed plate 4.2, the movable baffle 4.1 is movably connected with the fixed plate 4.2, when the float bowl 3 rises to the top of the valve body 1, the movable baffle 4.1 blocks the exhaust gasket 2.1, and when the float bowl 3 descends, the movable baffle 4.1 opens the exhaust gasket 2.1, so that the exhaust gasket 2.1, the first air outlet 1.11 and the third air outlet 1.13 are communicated.

Specifically, one end of the fixed plate 4.2, which is far away from the first air outlet 1.11, is provided with a supporting seat 4.21, two sides of which are aligned, and one end of the movable baffle 4.1, which is far away from the first air outlet 1.11, is provided with a movable shaft 4.11, and the movable shaft 4.11 is matched and connected with the supporting seat 4.21, so that the movable baffle 4.1 can rotate around the supporting seat 4.21.

Referring to fig. 2, a water sealing plug 5 is arranged on the second air outlet 1.12, and the second air outlet 1.12 is in threaded connection with the water sealing plug 5; and a water nozzle 6 is arranged on the third air outlet 1.13, the third air outlet 1.13 is in threaded connection with the water nozzle 6, and a first sealing ring 7 is arranged between the third air outlet 1.13 and the water nozzle 6.

Still be equipped with pressure release passageway 1.2 and fourth gas outlet 1.3 on the valve body 1, the pressure release subassembly 8 of activity from top to bottom is equipped with in the pressure release passageway 1.2, pressure release subassembly 8 is including sealed the pad 8.1, pressure release pull rod 8.2, water-tight lid 8.3 and pressure release spring 8.4, pressure release passageway 1.2 open-top passes through the shutoff of water-tight lid 8.3, sealed pad 8.1 is installed in one of pressure release pull rod 8.2 and is served, and its sealed fourth gas outlet 1.3, pressure release spring 8.4 sets up between water-tight lid 8.3 and pressure release pull rod 8.2.

Specifically, first exhaust passage 1.1 is opened when pressure relief subassembly 8 moves up to make pressure relief passage 1.2 communicate first exhaust passage 1.1, when pressure relief subassembly 8 moves down to pressure relief passage 1.2 bottom position, sealed pad 8.1 seals fourth gas outlet 1.3, so that valve body 1, pressure relief passage 1.2 and first exhaust passage 1.1 do not communicate each other.

The top of the other end of the pressure relief pull rod 8.2 is provided with a pressure relief handle 9.

A second sealing ring 10 is arranged between the pressure relief pull rod 8.2 and the water sealing cover 8.3; a third sealing ring 11 is arranged between the water sealing cover 8.3 and the inner wall of the pressure relief channel 1.2.

The slow release exhaust valve further comprises a first base 12 assembled with the valve body 1, and a fourth sealing ring 13 is arranged at the assembly position between the valve body 1 and the first base 12.

A second exhaust channel 14 communicated with the inner cavity of the valve body 1 is arranged between the first base 12 and the inner cavity of the valve body 1, and a filter screen 15 is arranged in the second exhaust channel 14.

The working principle of the slow release exhaust valve is as follows: when gas overflows from the system, the gas can climb upwards along the pipeline and finally gather at the highest point of the system, when the air pressure at the bottom end inside the valve body 1 is too high, a gap is formed between the buoy 3 and the valve body 1, the gas is discharged to the top of the valve body 1 at the moment, the gas is discharged from the first gas discharge channel 1.1 and the water nozzle 6 in sequence, after the gas is discharged, liquid enters the valve body 1, the buoy 2 rises due to buoyancy, and when the buoy 3 rises to the top of the valve body 1, the movable baffle 4.1 plugs the gas discharge gasket 2.1. In the same way, when negative pressure is generated in the system, the water level in the valve body 1 descends, the float bowl 3 descends along with the water level, the first exhaust passage 1.1 is opened, and because the external atmospheric pressure is higher than the pressure of the container at the moment, the atmosphere can enter the system through the first exhaust passage 1.1, so that the negative pressure is prevented from being damaged.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A slow release exhaust valve comprises a valve body (1), and is characterized in that: be equipped with first exhaust passage (1.1) in valve body (1), be equipped with in valve body (1) with seal assembly (2) of first exhaust passage (1.1) intercommunication still including movably setting up flotation pontoon (3) in valve body (1), flotation pontoon (3) top is equipped with movable assembly (4), movable assembly (4) are in shutoff or opening under the drive of flotation pontoon (3) seal assembly (2).

2. The sustained release exhaust valve according to claim 1, wherein: the first exhaust channel (1.1) comprises a first air outlet (1.11) and a second air outlet (1.12) which are longitudinally arranged and a third air outlet (1.13) which is transversely arranged, the sealing assembly (2) comprises an exhaust gasket (2.1) and an exhaust gland (2.2), the exhaust gasket (2.1) is arranged on the outer wall of the first air outlet (1.11), the exhaust gland (2.2) is arranged on the exhaust gasket (2.1), and at least one part of the exhaust gasket (2.1) protrudes out of the exhaust gland (2.2).

3. The sustained release exhaust valve according to claim 2, wherein: the exhaust gasket (2.1) is conical, truncated cone-shaped or special-shaped.

4. The sustained release exhaust valve according to claim 2, wherein: activity subassembly (4) include adjustable fender (4.1) and fixed plate (4.2), adjustable fender (4.1) with fixed plate (4.2) swing joint, flotation pontoon (3) rise to during valve body (1) top, adjustable fender (4.1) shutoff exhaust packing ring (2.1), when flotation pontoon (3) descend, adjustable fender (4.1) are opened exhaust packing ring (2.1), so that exhaust packing ring (2.1), first gas outlet (1.11) with third gas outlet (1.13) intercommunication.

5. The sustained release exhaust valve according to claim 2, wherein: a water sealing plug (5) is arranged on the second air outlet (1.12), and the second air outlet (1.12) is in threaded connection with the water sealing plug (5); and a water nozzle (6) is arranged on the third air outlet (1.13), the third air outlet (1.13) is in threaded connection with the water nozzle (6), and a first sealing ring (7) is arranged between the third air outlet (1.13) and the water nozzle (6).

6. The sustained release exhaust valve according to claim 1, wherein: still be equipped with pressure release passageway (1.2) and fourth gas outlet (1.3) on valve body (1), be equipped with pressure release subassembly (8) of activity from top to bottom in pressure release passageway (1.2), pressure release subassembly (8) are including sealed pad (8.1), pressure release pull rod (8.2), water-tight lid (8.3) and pressure release spring (8.4), pressure release passageway (1.2) open-top passes through water-tight lid (8.3) shutoff, sealed pad (8.1) is installed one of pressure release pull rod (8.2) is served, and it is sealed fourth gas outlet (1.3), pressure release spring (8.4) set up in water-tight lid (8.3) with between the pull rod (8.2) the pressure release.

7. The sustained release exhaust valve according to claim 6, wherein: the top of the other end of the pressure relief pull rod (8.2) is provided with a pressure relief handle (9).

8. The sustained release exhaust valve according to claim 6, wherein: a second sealing ring (10) is arranged between the pressure relief pull rod (8.2) and the water sealing cover (8.3); and a third sealing ring (11) is arranged between the water sealing cover (8.3) and the inner wall of the pressure relief channel (1.2).

9. The sustained release exhaust valve according to claim 1, wherein: still include with first base (12) that valve body (1) assembled mutually, valve body (1) with the assembly department between first base (12) is equipped with fourth sealing washer (13).

10. The sustained release exhaust valve according to claim 9, wherein: a second exhaust channel (14) communicated with the inner cavity of the valve body (1) is arranged between the first base (12) and the inner cavity of the valve body, and a filter screen (15) is arranged in the second exhaust channel (14).