CN213271179U

CN213271179U - Pressure release valve for high-pressure gas-filled pipe

Info

Publication number: CN213271179U
Application number: CN202021565011.1U
Authority: CN
Inventors: 章冬文
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-25
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a pressure relief valve for a high-pressure gas charging pipe, which comprises a valve body and an automatic pressure relief component; a valve body: the surface of the valve body is provided with a cylinder body, the side surface of the cylinder body is provided with a pressure relief nozzle, one side of the surface of the valve body is provided with a pressure relief pipe, one end of the pressure relief pipe is communicated with the cylinder body and corresponds to the pressure relief nozzle, the surface of the valve body is provided with a manual pressure relief assembly, and two ends of the valve body are symmetrically provided with connecting assemblies; automatic pressure relief subassembly: including the limiting plate, the slide bar, arc and spring, the inboard bottom of barrel is located to the limiting plate, the slide bar runs through the surperficial middle part of limiting plate, the bottom of slide bar and with the medial surface sliding fit of barrel are located to the arc, the spring activity cup joints the bottom at the slide bar, and the both ends of spring respectively with limiting plate and arc fixed connection, this relief valve for high pressure inflation pipe, be equipped with two kinds of structures of automatic pressure release and manual pressure release, avoid damaging and lead to serious consequence because of automatic pressure release, and it is more convenient to install, better leakproofness has, and the practicality is stronger.

Description

Pressure release valve for high-pressure gas-filled pipe

Technical Field

The utility model relates to a relief valve technical field specifically is a high pressure is relief valve for gas line.

Background

The pressure relief valve can be opened and closed automatically according to the working pressure of the system, the pressure relief valve is generally installed on equipment or a pipeline of a closed system to protect the safety of the system, when the pressure in the equipment or the pipeline exceeds the set pressure of the pressure relief valve, the pressure relief valve is opened automatically to ensure that the medium pressure in the equipment and the pipeline is below the set pressure, the equipment and the pipeline are protected, accidents are prevented, the pressure relief valve is also widely applied to a high-pressure inflation pipe, the quality of the pressure relief valve for the existing partial high-pressure inflation pipe is poor, once the pressure relief valve is damaged, the pipeline equipment is easy to damage due to high pressure, serious consequences are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a relief valve for high pressure gas charging pipe, be equipped with two kinds of structures of automatic pressure release and manual pressure release, avoid damaging because of automatic pressure release and lead to serious consequence to it is more convenient to install, has better leakproofness, and the practicality is stronger, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pressure relief valve for a high-pressure gas-filled pipe comprises a valve body and an automatic pressure relief assembly;

a valve body: the surface of the valve body is provided with a cylinder body, the side surface of the cylinder body is provided with a pressure relief nozzle, one side of the surface of the valve body is provided with a pressure relief pipe, one end of the pressure relief pipe is communicated with the cylinder body and corresponds to the pressure relief nozzle, the surface of the valve body is provided with a manual pressure relief assembly, and two ends of the valve body are symmetrically provided with connecting assemblies;

automatic pressure relief subassembly: including limiting plate, slide bar, arc and spring, the inboard bottom of barrel is located to the limiting plate, the slide bar runs through the surperficial middle part of limiting plate, the arc locate the bottom of slide bar and with the medial surface sliding fit of barrel, the spring activity cup joints the bottom at the slide bar, and the both ends of spring respectively with limiting plate and arc fixed connection.

Further, still include cylinder and air guide hole, the cylinder sliding fit is in the cylinder, and the bottom surface of cylinder and the top fixed connection of slide bar, the air guide hole runs through the side of cylinder, and the both ends of the air guide hole in the cylinder correspond with pressure release mouth and pressure release pipe respectively when, can realize the pressure release of valve body.

Further, manual pressure release subassembly includes slide cartridge, pressure release pipe, screw rod, disc, closing plate and fender ring, the surface of valve body is located to the slide cartridge, the side of slide cartridge is located to the pressure release pipe, the screw rod passes the screw hole of slide cartridge bottom, the one end of screw rod is located to the disc, the surface of disc is located to the closing plate, keep off the ring and locate the top of slide cartridge and correspond the cooperation with the closing plate, manual pressure release subassembly can be when the valve body internal pressure is too high, through rotating the screw rod, can realize the rectilinear movement of disc, and then make the closing plate keep away from and keep off the ring, when the disc is through the pressure release pipe gradually, begin to release pressure gradually in the valve body.

Further, coupling assembling includes the fixed cone ring, moves cone ring, screw hole and screw, the both ends of valve body are located to the fixed cone ring symmetry, move cone ring and fixed cone ring sliding fit, the side of fixed cone ring and moving cone ring is evenly located to the screw hole, and through screwed connection between fixed cone ring and the moving cone ring, the coupling assembling accessible is with the pot head of gas tube on the fixed cone ring, then will move the cone ring cover on the gas tube again, makes the inclined plane of fixed cone ring and moving cone ring mutually support, screws, moves the cone ring and is close to the fixed cone ring gradually, and the gas tube is fixed more and more tight simultaneously, and then can improve the leakproofness of junction, avoids losing air.

Further, the pressure relief valve further comprises a mounting ring and a pressure gauge, wherein the mounting ring is arranged on the surface of the pressure relief pipe, the pressure gauge is arranged in the mounting ring, and the pressure gauge can visually see the air pressure in the valve body, so that the pressure can be controlled conveniently.

Compared with the prior art, the beneficial effects of the utility model are that: the pressure release valve for the high-pressure gas-filled pipe has the following advantages:

1. this automatic pressure release subassembly of pressure release valve for high pressure gas charging pipe can oppress the arc upward movement when the pressure in the valve body is too high, and then the accessible slide bar drives the cylinder upward movement, and when the air guide hole was gradually through the pressure release mouth, pressure release pipe and air guide hole communicate each other, can realize the pressure release of valve body.

2. This manual pressure release subassembly of effective relief valve is aerifyd to high pressure can be when the valve body internal pressure is too high, through rotating the screw rod, can realize the rectilinear movement of disc, and then makes the closing plate keep away from the fender ring, when the disc passes through the pressure pipe gradually, begins the pressure release gradually in the valve body.

3. This coupling assembling accessible of relief valve for high pressure gas-filled tube overlaps the one end cover of gas tube on the awl ring surely, then will move the awl ring cover on the gas tube again, makes the inclined plane of awl ring surely and moving the awl ring mutually support, screws, moves the awl ring and is close to the awl ring surely gradually, and the gas tube is fixed more and more tight simultaneously, and then can improve the leakproofness of junction, avoids losing heart.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the pressure relief valve comprises a valve body 1, a cylinder 11, a pressure relief nozzle 12, a pressure relief pipe 13, an automatic pressure relief assembly 2, a limiting plate 21, a sliding rod 22, an arc-shaped plate 23, a spring 24, a cylinder 25, an air guide hole 26, a manual pressure relief assembly 3, a sliding cylinder 31, a pressure relief pipe 32, a screw 33, a disc 34, a sealing plate 35, a retaining ring 36, a connecting assembly 4, a fixed cone ring 41, a movable cone ring 42, a threaded hole 43, a screw 44, a mounting ring 5 and a pressure gauge 51.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1, the present invention provides a technical solution: a pressure relief valve for a high-pressure gas charging pipe comprises a valve body 1 and an automatic pressure relief assembly 2;

valve body 1: the surface of the valve body 1 is provided with a cylinder body 11, the side surface of the cylinder body 11 is provided with a pressure relief nozzle 12, one side of the surface of the valve body 1 is provided with a pressure relief pipe 13, one end of the pressure relief pipe 13 is communicated with the cylinder body 11 and corresponds to the pressure relief nozzle 12, the surface of the valve body 1 is provided with a manual pressure relief assembly 3, the manual pressure relief assembly 3 comprises a sliding cylinder 31, a pressure relief pipe 32, a screw 33, a disc 34, a sealing plate 35 and a retaining ring 36, the sliding cylinder 31 is arranged on the surface of the valve body 1, the pressure relief pipe 32 is arranged on the side surface of the sliding cylinder 31, the screw 33 passes through a threaded hole at the bottom end of the sliding cylinder 31, the disc 34 is arranged at one end of the screw 33, the sealing plate 35 is arranged on the surface of the disc 34, the retaining ring 36 is arranged at the top of the sliding cylinder 31 and corresponds to the sealing plate 35, the connecting assemblies 4 are symmetrically arranged at two ends of the valve body 1, the threaded holes 43 are uniformly arranged on the side surfaces of the fixed cone ring 41 and the movable cone ring 42, and the fixed cone ring 41 is connected with the movable cone ring 42 through screws 44;

automatic pressure relief subassembly 2: including limiting plate 21, slide bar 22, arc 23 and spring 24, the inboard bottom of barrel 11 is located to limiting plate 21, and slide bar 22 runs through limiting plate 21's surperficial middle part, and slide bar 22's bottom and with the medial surface sliding fit of barrel 11 are located to arc 23, and the bottom at slide bar 22 is cup jointed in the activity of spring 24, and spring 24's both ends respectively with limiting plate 21 and arc 23 fixed connection.

Wherein: the device also comprises a cylinder 25 and an air guide hole 26, wherein the cylinder 25 is in sliding fit in the cylinder 11, the bottom surface of the cylinder 25 is fixedly connected with the top end of the sliding rod 22, and the air guide hole 26 penetrates through the side surface of the cylinder 25; the pressure relief pipe further comprises a mounting ring 5 and a pressure gauge 51, wherein the mounting ring 5 is arranged on the surface of the pressure relief pipe 13, and the pressure gauge 51 is arranged in the mounting ring 5.

Automatic pressure release subassembly 2 can oppress arc 23 upward movement when the pressure in valve body 1 is too high, and then accessible slide bar 22 drives cylinder 25 upward movement, and when air guide 26 passed through pressure release mouth 12 gradually, pressure release mouth 12, pressure release pipe 13 and air guide 26 communicate each other, can realize the pressure release of valve body 1.

When in use:

firstly, one end of an inflation tube is sleeved on a fixed cone ring 41, then a movable cone ring 42 is sleeved on the inflation tube, so that the inclined planes of the fixed cone ring 41 and the movable cone ring 42 are matched with each other, a screw 44 is screwed, the movable cone ring 42 is gradually close to the fixed cone ring 41, and meanwhile, the inflation tube is fixed to be tighter and tighter, so that the connection between the inflation tube and the valve body 1 is realized, and meanwhile, the sealing performance of the connection position can be improved, when the pressure in the valve body 1 is overhigh, the automatic pressure relief assembly 2 can press the arc-shaped plate 23 to move upwards, so that the cylinder 25 can be driven to move upwards by the slide rod 22, when the air guide hole 26 gradually passes through the pressure relief nozzle 12, the pressure relief tube 13 and the air guide hole 26 are communicated with each other, so that the pressure relief of the valve body 1 can be realized, when the manual pressure relief assembly 3 is overhigh in the valve body 1, the linear, as the disc 34 passes progressively through the pressure discharge tube 32, progressive pressure relief begins in the valve body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure release valve for high pressure gas tube which characterized in that: comprises a valve body (1) and an automatic pressure relief assembly (2);

valve body (1): the pressure relief valve is characterized in that a cylinder body (11) is arranged on the surface of the cylinder body (11), a pressure relief nozzle (12) is arranged on the side surface of the cylinder body (11), a pressure relief pipe (13) is arranged on one side of the surface of the valve body (1), one end of the pressure relief pipe (13) is communicated with the cylinder body (11) and corresponds to the pressure relief nozzle (12), a manual pressure relief assembly (3) is arranged on the surface of the valve body (1), and connecting assemblies (4) are symmetrically arranged at two ends of the valve body;

automatic pressure relief assembly (2): including limiting plate (21), slide bar (22), arc (23) and spring (24), the inboard bottom of barrel (11) is located to limiting plate (21), slide bar (22) run through the surface middle part of limiting plate (21), the bottom of slide bar (22) and with the medial surface sliding fit of barrel (11) are located in arc (23), spring (24) activity is cup jointed in the bottom of slide bar (22), and the both ends of spring (24) respectively with limiting plate (21) and arc (23) fixed connection.

2. The pressure relief valve for a high pressure gas filled pipe according to claim 1, wherein: the air-permeable sliding barrel is characterized by further comprising a cylinder (25) and an air guide hole (26), wherein the cylinder (25) is in sliding fit in the barrel (11), the bottom surface of the cylinder (25) is fixedly connected with the top end of the sliding rod (22), and the air guide hole (26) penetrates through the side surface of the cylinder (25).

3. The pressure relief valve for a high pressure gas filled pipe according to claim 1, wherein: manual pressure release subassembly (3) are including slide cartridge (31), pressure-discharging pipe (32), screw rod (33), disc (34), closing plate (35) and keep off ring (36), the surface of valve body (1) is located in slide cartridge (31), the side of slide cartridge (31) is located in pressure-discharging pipe (32), the screw hole of slide cartridge (31) bottom is passed in screw rod (33), the one end of screw rod (33) is located in disc (34), the surface of disc (34) is located in closing plate (35), keep off ring (36) and locate the top of slide cartridge (31) and correspond the cooperation with closing plate (35).

4. The pressure relief valve for a high pressure gas filled pipe according to claim 1, wherein: coupling assembling (4) are including deciding awl ring (41), moving awl ring (42), screw hole (43) and screw (44), the both ends of valve body (1) are located to deciding awl ring (41) symmetry, move awl ring (42) and decide awl ring (41) sliding fit, the side of deciding awl ring (41) and moving awl ring (42) is evenly located in screw hole (43), and connects through screw (44) between deciding awl ring (41) and moving awl ring (42).

5. The pressure relief valve for a high pressure gas filled pipe according to claim 1, wherein: still include collar (5) and manometer (51), the surface of pressure release pipe (13) is located in collar (5), manometer (51) are located in collar (5).