CN221504684U - Oxygen filling automatic switching component with good safety - Google Patents

Abstract

The utility model discloses an oxygen filling automatic switching assembly with good safety, which comprises a vent pipe and an air inlet pipe communicated with the top of the surface of the vent pipe, wherein two ends of the vent pipe are respectively communicated with an air inflation pipe, two ends of the air inflation pipe are respectively fixedly provided with a one-way valve, a backflow storage mechanism is arranged between two opposite sides of the surfaces of the air inflation pipes and used for extracting and storing residual oxygen in the air inflation pipes, the backflow storage mechanism comprises a standby tank, a backflow pipe is communicated between the surfaces of the two air inflation pipes, and electromagnetic valves are respectively fixedly arranged at two ends of the backflow pipe. This oxygen filling automatic switch-over subassembly that security is good, through the setting of backward flow storage mechanism, can accomplish the oxygen and fill the back, extract and in time store the inside remaining oxygen of gas tube, be convenient for follow-up reserve, practiced thrift the resource, can bring convenience in the emergency personnel.

Description

Oxygen filling automatic switching component with good safety

Technical Field

The utility model relates to the technical field of oxygen filling, in particular to an oxygen filling automatic switching component with good safety.

Background

During field operation, each oxygen utilization point cannot be provided with oxygen production equipment, so that an oxygen bottle needs to be carried, and the oxygen bottle can be used subsequently after being filled with oxygen in advance.

In order to ensure continuous and stable oxygen supply, the oxygen filling device in the current market needs to be switched through a valve in the process, and in the process of closing the valve after filling, as the gas filling pipeline is longer, partial oxygen remains in the pipeline, so that resource waste is easily caused, standby cannot be extracted in time, the tightness between the gas filling pipeline and the gas inlet of the oxygen cylinder is low, leakage is easily caused, and certain potential safety hazard exists in special occasions, so that the utility model makes the following improvement aiming at the defects.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the oxygen filling automatic switching component with good safety, and solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an oxygen that security is good fills dress automatic switch-over subassembly, includes the breather pipe and communicates in the intake pipe at the top of breather pipe surface, the both ends of breather pipe all communicate there is the gas tube, the both ends of gas tube are all fixed to be provided with the check valve, two be provided with backward flow storage mechanism between the opposite one side in gas tube surface, and backward flow storage mechanism is used for extracting and storing the inside surplus oxygen of gas tube.

Preferably, the reflux storage mechanism comprises a standby tank, a reflux pipe is communicated between the surfaces of the two inflation pipes, and electromagnetic valves are fixedly arranged at two ends of the reflux pipe.

Preferably, the top of reserve jar is provided with the air pump, and the top of air pump passes through the bottom fixed connection on connecting piece and back flow surface, the air inlet intercommunication of air pump has the exhaust tube, and the top of exhaust tube is linked together with the bottom on back flow surface, the gas outlet intercommunication of air pump has the blast pipe, and the bottom of blast pipe is linked together with the top of reserve jar.

Preferably, the bottom of one side of the standby tank is communicated with an air outlet pipe, and a check valve is fixedly connected inside the air outlet pipe.

Preferably, the surface of gas tube and outlet duct all is fixed and is provided with gas leakage detector, the bottom of gas tube and outlet duct all communicates there is the pipe, and the surface of pipe is provided with sealing mechanism.

Preferably, the sealing mechanism comprises an annular plate fixedly arranged on the surface of the guide pipe, the bottom of the surface of the guide pipe is connected with a sliding ring in a sliding manner, the top of the sliding ring is fixedly connected with the bottom of the annular plate through a buffer spring, and the bottom of the sliding ring is fixedly connected with a sealing ring through a fastening bolt.

Advantageous effects

The utility model provides an oxygen filling automatic switching component with good safety. Compared with the prior art, the method has the following beneficial effects:

(1) This oxygen filling automatic switch-over subassembly that security is good, through the setting of backward flow storage mechanism, can accomplish the oxygen and fill the back, extract and in time store the inside remaining oxygen of gas tube, be convenient for follow-up reserve, practiced thrift the resource, can bring convenience in the emergency personnel.

(2) The automatic switching component for oxygen filling with good safety can improve the tightness of communication between the guide pipe and the oxygen bottle through the arrangement of the sealing component, avoid the problem that oxygen is easy to leak, and reduce potential safety hazards.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a schematic structural view of the sealing mechanism of the present utility model;

fig. 3 is a bottom view of the seal ring structure of the present utility model.

In the figure: 1. a vent pipe; 2. an air inlet pipe; 3. an inflation tube; 4. a one-way valve; 5. a reflow storage mechanism; 51. a standby tank; 52. a return pipe; 53. an electromagnetic valve; 54. an air pump; 55. an exhaust pipe; 56. an exhaust pipe; 57. an air outlet pipe; 58. a non-return valve; 6. a gas leakage detector; 7. a conduit; 8. a sealing mechanism; 81. an annular plate; 82. a slip ring; 83. a buffer spring; 84. a fastening bolt; 85. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, the utility model provides an oxygen filling automatic switching component with good safety, which comprises a vent pipe 1 and an air inlet pipe 2 communicated with the top of the surface of the vent pipe 1, wherein the two ends of the vent pipe 1 are respectively communicated with an air inflation pipe 3, two ends of the air inflation pipe 3 are respectively fixedly provided with a one-way valve 4, a reflux storage mechanism 5 is arranged between one opposite sides of the surfaces of the two air inflation pipes 3, the reflux storage mechanism 5 is used for extracting and storing residual oxygen in the air inflation pipe 3, the reflux storage mechanism 5 comprises a standby tank 51, a reflux pipe 52 is communicated between the surfaces of the two air inflation pipes 3, two ends of the reflux pipe 52 are respectively fixedly provided with an electromagnetic valve 53, the top of the standby tank 51 is provided with an air pump 54, the top of the air pump 54 is fixedly connected with the bottom of the surface of the reflux pipe 52 through a connecting piece, the air inlet of the air pump 54 is communicated with an air pump 55, the top of the air exhaust pipe 56 is communicated with the bottom of the reflux pipe 52, the bottom of the air outlet 56 is communicated with the top of the standby tank 51, the bottom of the air outlet pipe 57 is communicated with the bottom of one side of the standby tank 51, the air outlet pipe 57 is fixedly connected with the air outlet pipe 7 and the air outlet pipe 57 is fixedly connected with the bottom of the air outlet pipe 7.

When oxygen is filled, the guide pipe 7 at the bottom end of the air charging pipe 3 is communicated with an oxygen bottle through the sealing mechanism 8, the one-way valve 4 is started, so that oxygen in an external oxygen storage box enters the air charging pipe 3 through the air inlet pipe 2 and the vent pipe 1, and then the air charging work is carried out, after the two groups of oxygen bottles are filled with enough oxygen, the one-way valve 4 is closed, at the moment, partial oxygen remains in the air charging pipe 3, the electromagnetic valve 53 and the air pump 54 are opened, so that the residual oxygen in the air charging pipe 3 enters the reflux pipe 52, the air pump 54 pumps the oxygen in the reflux pipe 52 into the standby tank 51 through the exhaust pipe 56, temporary storage can be carried out on the residual oxygen, and when the standby oxygen is used, the one-way valve 58 is opened, so that the standby oxygen is discharged through the air outlet pipe 57 for subsequent charging.

Example two

On the basis of the first embodiment, please refer to fig. 2 and 3, the surfaces of the air charging tube 3 and the air discharging tube 57 are fixedly provided with a gas leakage detector 6, the periphery of the guide tube 7 can be monitored through the gas leakage detector 6, once oxygen leaks, people can know in time that the surface of the guide tube 7 is provided with a sealing mechanism 8, the sealing mechanism 8 comprises an annular plate 81 fixedly arranged on the surface of the guide tube 7, the bottom of the surface of the guide tube 7 is slidably connected with a sliding ring 82, the top of the sliding ring 82 is fixedly connected with the bottom of the annular plate 81 through a buffer spring 83, and the bottom of the sliding ring 82 is fixedly connected with a sealing ring 85 through a fastening bolt 84.

When the conduit 7 is inserted into the oxygen cylinder air inlet, the sealing ring 85 is synchronously inserted into the air inlet, and the sliding ring 82 can drive the sealing ring 85 to be pressed downwards through the acting force of the buffer spring 83, so that the sealing ring 85 is in close contact with the oxygen cylinder air inlet, and when the sealing ring 85 needs to be replaced, the sealing ring 85 can be disassembled and assembled only by taking down the fastening bolt 84.

Example III

Referring to fig. 1 to 3, the first embodiment and the second embodiment are combined to obtain the present embodiment.

And all that is not described in detail in this specification is well known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The utility model provides an automatic switching component is filled to oxygen that security is good, includes breather pipe (1) and communicates in intake pipe (2) at top on breather pipe (1) surface, its characterized in that: the two ends of the vent pipe (1) are communicated with the air charging pipe (3), the two ends of the air charging pipe (3) are fixedly provided with one-way valves (4), a backflow storage mechanism (5) is arranged between two opposite sides of the surfaces of the air charging pipe (3), and the backflow storage mechanism (5) is used for extracting and storing residual oxygen in the air charging pipe (3).

2. The oxygen-filled automatic switching assembly of claim 1, wherein: the backflow storage mechanism (5) comprises a standby tank (51), backflow pipes (52) are communicated between the surfaces of the two charging pipes (3), and electromagnetic valves (53) are fixedly arranged at two ends of each backflow pipe (52).

3. An oxygen-filled automatic switching assembly of claim 2, wherein: the top of reserve jar (51) is provided with air pump (54), and the bottom fixed connection on top of air pump (54) and back flow (52) surface through the connecting piece, the air inlet intercommunication of air pump (54) has exhaust tube (55), and the top of exhaust tube (55) is linked together with the bottom on back flow (52) surface, the gas outlet intercommunication of air pump (54) has blast pipe (56), and the bottom of blast pipe (56) is linked together with the top of reserve jar (51).

4. A safe oxygen-filled automatic switching assembly as set forth in claim 3 wherein: the bottom of one side of the standby tank (51) is communicated with an air outlet pipe (57), and a check valve (58) is fixedly connected inside the air outlet pipe (57).

5. The oxygen-filled automatic switching assembly of claim 4, wherein: the surface of gas tube (3) and outlet duct (57) all is fixed and is provided with gas leakage detector (6), the bottom of gas tube (3) and outlet duct (57) all communicates has pipe (7), and the surface of pipe (7) is provided with sealing mechanism (8).

6. The oxygen-filled automatic switching assembly of claim 5, wherein: the sealing mechanism (8) comprises an annular plate (81) fixedly arranged on the surface of the guide pipe (7), a sliding ring (82) is connected to the bottom of the surface of the guide pipe (7) in a sliding mode, the top of the sliding ring (82) is fixedly connected with the bottom of the annular plate (81) through a buffer spring (83), and a sealing ring (85) is fixedly connected to the bottom of the sliding ring (82) through a fastening bolt (84).