CN215807872U

CN215807872U - Nitrogen gas injection equipment with prevent leaking

Info

Publication number: CN215807872U
Application number: CN202121862172.1U
Authority: CN
Inventors: 顾晔
Original assignee: Zhangjiagang Southeast Gas Filling Co ltd
Current assignee: Zhangjiagang Southeast Gas Filling Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-02-11
Anticipated expiration: 2031-08-10

Abstract

The utility model belongs to the technical field of nitrogen injection equipment, and particularly relates to leakage-proof nitrogen injection equipment which comprises a nitrogen cylinder and an air valve, wherein the air valve is arranged on the nitrogen cylinder, a pressure reducer, a pressure gauge and a flow meter are connected on an air pipeline of the nitrogen cylinder, a three-way pressure gauge is connected at the left end of the air pipeline of the nitrogen cylinder, an air injection gun is connected at the left end of the three-way pressure gauge through a pipeline and comprises a shell, an air inlet is formed in the left side of the top of the shell, a one-way electromagnetic valve is connected on the air inlet in a threaded manner, a spiral roller is movably clamped in an inner cavity of the shell, a movable ferrule is movably sleeved on the outer wall of the middle end of the shell, a movable pipe is connected on the left side of the movable ferrule, the movable pipe is movably sleeved on the outer wall of the left end of the shell, a connecting thread is arranged on the outer wall of the movable pipe, and a sealing ring is arranged on the left side of the movable ferrule, this equipment nitrogen gas is revealed when effectively avoiding nitrogen gas to inject.

Description

Nitrogen gas injection equipment with prevent leaking

Technical Field

The utility model relates to the technical field of nitrogen injection equipment, in particular to leakage-proof nitrogen injection equipment.

Background

Nitrogen gas is generally a colorless and odorless gas, and is generally less dense than air. Nitrogen is the main component of air. When cooled to-195.8 deg.C under normal atmospheric pressure, the liquid becomes colorless liquid, and when cooled to-209.8 deg.C, the liquid nitrogen becomes snow-like solid. Nitrogen gas's chemical property is inactive, hardly react with other material under the normal atmospheric temperature, so often be used for making the antiseptic, can take place chemical change with some material under high temperature, the high energy condition, be used for making the new material useful to the human being, and nitrogen gas is inert gas, gas molecule is bigger than oxygen molecule, difficult expansion with heat and contraction with cold, deformation amplitude is little, can be used for tire inflation, so nitrogen gas usage is extensive in the life, adopt black steel bottle to hold nitrogen gas usually, so need inject nitrogen gas additional into other equipment, but because the interface is insecure when most nitrogen gas is injected, the condition that nitrogen gas leaked often takes place, cause the harm to staff's health.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a leakage-proof nitrogen injection device, which solves the problem that the interface is not firm during nitrogen injection, so that nitrogen leakage often occurs and the physical health of workers is damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a nitrogen gas injection apparatus with prevent leaking, includes nitrogen cylinder, pneumatic valve, be provided with the pneumatic valve on the nitrogen cylinder, be connected with pressure reducer, manometer, flowmeter on the gas transmission pipeline of nitrogen cylinder, the left end of the gas transmission pipeline of nitrogen cylinder is connected with the tee bend manometer, the left end of tee bend manometer has the air injection rifle through the pipe connection, the air injection rifle includes the shell, the air inlet has been seted up on the left side of the top of shell, threaded connection has one-way solenoid valve on the air inlet, the activity card is equipped with the spiral roller in the inner chamber of shell, the activity lasso has been cup jointed in the activity on the middle-end outer wall of shell, the left side of activity lasso is connected with the expansion tube, the activity lasso is located on the left end outer wall of shell, be provided with connecting thread on the outer wall of expansion tube, the left side of activity lasso is provided with the sealing washer.

Preferably, the right end of the spiral roller is movably connected with the inner wall of the shell through a bearing.

Preferably, the bottom of the movable ferrule is connected with a clamping block, the outer wall of the middle end of the shell is provided with a groove, the movable ferrule is movably clamped in the groove, the inner wall of the bottom of the groove is provided with a clamping groove, and the clamping block is movably clamped in the clamping groove.

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

this equipment detects whether nitrogen gas leaks in the gas-supply pipe through the tee bend manometer, improves the gas injection connected mode through the gas injection rifle, strengthens its leakproofness, and nitrogen gas is revealed when avoiding nitrogen gas to pour into other equipment, leads to the staff to be poisoned.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a front view of the air injection gun of the present invention;

FIG. 3 is a schematic view of the air injection gun in cross section and partially enlarged structure.

In the figure:

1 nitrogen cylinder, 11 gas transmission pipelines, 2 gas valves, 3 flow meters, 4 pressure meters, 5 pressure reducers, 6 three-way pressure meters, 7 gas injection guns, 71 shells, 72 gas inlets, 73 connecting threads, 74 movable pipes, 75 movable ferrules, 76 sealing rings, 77 spiral rollers, 78 grooves, 781 clamping grooves, 79 clamping blocks and 8 one-way electromagnetic valves.

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 is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and 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.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a nitrogen gas injection apparatus with prevent leaking, includes nitrogen cylinder 1, pneumatic valve 2, be provided with pneumatic valve 2 on the nitrogen cylinder 1, be connected with pressure reducer 5, manometer 4, flowmeter 3 on the gas transmission pipeline 11 of nitrogen cylinder 1, the left end of gas transmission pipeline 11 of nitrogen cylinder 1 is connected with tee bend manometer 6, tee bend manometer 6's left end has gas injection gun 7 through the pipe connection, gas injection gun 7 includes shell 71, air inlet 72 has been seted up on the left side of the top of shell 71, threaded connection has one-way solenoid valve 8 on the air inlet 72, movable card is equipped with helical roll 77 in the inner chamber of shell 71, movable ferrule 75 has been cup jointed in the activity on the middle-end outer wall of shell 71, the left side of movable ferrule 75 is connected with movable tube 74, movable tube 74 movable sleeve locates on the left end outer wall of shell 71, be provided with connecting thread 73 on the outer wall of movable tube 74, the left side of the movable ferrule 75 is provided with a sealing ring 76, through the structure, the movable ferrule 75 is rotated, the movable ferrule 75 drives the movable pipe 74 to rotate, under the action of the connecting thread 73, the gas injection gun 7 gradually screws the gas injection port of the equipment, the sealing ring 76 tightly clamps the outer ring of the gas injection port to enhance the sealing performance, the pressure reducer 5 enables high-pressure gas flow in the nitrogen bottle 1 to be stably and outwards output, the real-time monitoring and adjustment are carried out according to the flowmeter 3 and the pressure gauge 4, whether gas leakage exists on the gas pipeline 11 is judged by observing the numerical value on the three-way pressure gauge 6, the nitrogen transmits the nitrogen to the gas injection gun 7 through the gas pipeline 11, the nitrogen is transmitted to the inner cavity of the gas injection gun 7 through the one-way electromagnetic valve 8, and is transmitted to other equipment through the gas injection gun 7.

The right end of the spiral roller 77 is movably connected with the inner wall of the shell 71 through a bearing, and through the structure, impact force during nitrogen transmission is relieved, damage to the gas injection gun 7 is weakened, and the service life is prolonged.

The bottom of the movable ferrule 75 is connected with a clamping block 79, a groove 78 is formed in the outer wall of the middle end of the shell 71, the movable ferrule 75 is movably clamped in the groove 78, a clamping groove 781 is formed in the inner wall of the bottom of the groove 78, the clamping block 79 is movably clamped in the clamping groove 781, and by means of the structure, the movable ferrule 75 can be rotated, the connection degree of the movable ferrule 75 and the shell is enhanced, and the movable ferrule 75 is prevented from falling off.

The working principle is as follows:

rotating the movable ring 75, the movable ring 75 drives the movable tube 74 to rotate, under the action of the connecting thread 73, the gas injection gun 7 gradually screws the gas injection port of the equipment, the sealing ring 76 clamps the outer ring of the gas injection port tightly to enhance the sealing performance, the three-way pressure gauge 6 and the one-way solenoid valve 8 are opened to enable the three-way pressure gauge 6 to keep a three-way state, the gas valve 2 on the nitrogen bottle 1 is opened, the pressure reducer 5 is adjusted to output high-pressure gas flow in the nitrogen bottle 1 stably and outwards, the real-time monitoring and adjustment are carried out according to the flow meter 3 and the pressure gauge 4, whether gas leakage exists on the gas transmission pipeline 11 is judged by observing the numerical value on the three-way pressure gauge 6, the nitrogen transmits the nitrogen to the gas injection gun 7 through the gas transmission pipeline 11, the nitrogen is transmitted to the inner cavity of the gas injection gun 7 through the one-way solenoid valve 8, the one-way solenoid valve 8 effectively avoids gas backflow, the gas washes the spiral roller 77 to enable the spiral roller to rotate to transmit the nitrogen to the left, and inputs the nitrogen to other equipment, the spiral roller 77 reduces the impact force of the nitrogen gas during transmission, weakens the damage of the nitrogen gas to the gas injection gun 7, and prolongs the service life.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nitrogen gas injection equipment with prevent leaking, includes nitrogen cylinder (1), pneumatic valve (2), its characterized in that: the device is characterized in that an air valve (2) is arranged on the nitrogen cylinder (1), a pressure reducer (5), a pressure gauge (4) and a flow meter (3) are connected to the gas pipeline (11) of the nitrogen cylinder (1), a three-way pressure gauge (6) is connected to the left end of the gas pipeline (11) of the nitrogen cylinder (1), a gas injection gun (7) is connected to the left end of the three-way pressure gauge (6) through a pipeline, the gas injection gun (7) comprises a shell (71), a gas inlet (72) is formed in the left side of the top of the shell (71), a one-way electromagnetic valve (8) is connected to the gas inlet (72) through a thread, a spiral roller (77) is movably clamped in an inner cavity of the shell (71), a movable ferrule (75) is movably sleeved on the outer wall of the middle end of the shell (71), a movable tube (74) is connected to the left side of the movable ferrule (75), and the movable tube (74) is sleeved on the outer wall of the left end of the shell (71), the outer wall of the movable pipe (74) is provided with a connecting thread (73), and the left side of the movable ferrule (75) is provided with a sealing ring (76).

2. A nitrogen injection apparatus having leakage prevention according to claim 1, wherein: the right end of the spiral roller (77) is movably connected with the inner wall of the shell (71) through a bearing.

3. A nitrogen injection apparatus having leakage prevention according to claim 1, wherein: the bottom of activity lasso (75) is connected with fixture block (79), set up on the middle-end outer wall of shell (71) recess (78), activity joint activity lasso (75) in recess (78), be provided with on the bottom inner wall of recess (78) draw-in groove (781), fixture block (79) activity card is in draw-in groove (781).