CN220046775U - Oxygen pipe plug-in connector assembly for oxygenerator - Google Patents

Abstract

The utility model discloses an oxygen pipe plug assembly for an oxygen generator, which comprises a plug and a plug seat, wherein one end of the plug is provided with a connecting pipe, the other end of the plug is provided with a pipe mouth, two sides of the plug are respectively provided with a plug wing, plug buckles are arranged on the plug wings, plug cavities are arranged on the plug seat, insertion pipes are arranged on the outer bottoms of the plug cavities, plug interfaces are respectively arranged on two sides of the plug seat, when the plug is plugged in the plug cavities, the pipe mouth is communicated with the insertion pipes, and two plug buckles on the two plug wings are respectively clamped in the plug interfaces. The oxygen pipe plug connector assembly is characterized in that the plug connector is arranged on the oxygen generator, the plug connector and the oxygen pipe are convenient to install and detach, the transportation is convenient, and the replacement is very simple when the oxygen pipe outside the oxygen generator has a problem.

Description

Oxygen pipe plug-in connector assembly for oxygenerator

Technical Field

The utility model relates to an oxygen pipe plug assembly for an oxygen generator.

Background

The existing oxygenerator and the external oxygen tube are all integrally connected, or the end part of the oxygen tube is arranged in the oxygenerator, so that the oxygenerator cannot be easily detached, the oxygenerator is inconvenient to transport, and the oxygenerator is very troublesome to replace when the oxygen tube is in a problem, so that great inconvenience is brought to a user, and therefore, a plug connector assembly capable of rapidly arranging the oxygen tube on the oxygenerator or detaching the oxygenerator is necessary to be developed.

Disclosure of Invention

The utility model provides an oxygen pipe plug assembly for an oxygen generator, which comprises:

a connecting pipe used for connecting with the oxygen pipe is arranged at one end of the plug, a nozzle part communicated with the connecting pipe is arranged at the other end of the plug, the two sides of the plug connector are respectively provided with obliquely arranged plug wings, and plug buckles are arranged on the plug wings; and

the socket is provided with a socket cavity, the outer bottom of the socket cavity is provided with a cannula communicated with the socket cavity, two sides of the socket are respectively provided with a socket port,

the bayonet connector can be inserted in the grafting chamber on the bayonet socket, and when the bayonet connector was pegged graft in the grafting chamber, the nozzle portion was linked together with the intubate and two eye-splice on two inserted wings respectively joint in the grafting mouth.

According to the oxygen pipe plug connector assembly, the plug connector is arranged on the oxygen generator, the insertion pipe on the plug connector is communicated with the oxygen pipe inside the oxygen generator, one end of the oxygen pipe outside the oxygen generator is arranged on the connecting pipe, the nasal plug oxygen pipe or the oxygen inhalation nose cover is arranged at the other end of the oxygen pipe, then the two plug wings on the plug connector are held by hands and pressed inwards, the plug connector is plugged into the plug connector cavity on the plug connector, the two plug wings are loosened, the two plug buckles on the two plug wings on the plug connector are respectively clamped in the two plug connectors on the plug connector, the plug connector is firmly plugged into the plug connector, at the moment, the oxygen pipe is communicated with the oxygen pipe inside the oxygen generator through the plug connector, the oxygen pipe manufactured by the oxygen pipe can be conveyed to the nasal plug oxygen pipe or the oxygen inhalation nose cover for breathing of a user, when the whole oxygen generator is required to be transported or the oxygen pipe is replaced, the plug wings are held by hands and pressed inwards, the plug buckles on the plug wings are pulled out of the plug connector, and then the plug connector is pulled outwards, the oxygen pipe is conveniently plugged into the plug connector, and the plug connector is conveniently plugged into the oxygen pipe when the plug connector is conveniently replaced, and the plug connector is conveniently plugged into the oxygen pipe, and the plug connector is conveniently replaced when the plug connector is conveniently and the plug connector is conveniently plugged into the oxygen pipe.

Preferably, two opposite lugs are arranged on the side wall of the end part of the socket, and the two plug ports are respectively arranged on the two lugs.

Thus, the lugs may provide mounting locations for the plug interface.

Preferably, planes are arranged between the root parts of the two lugs and the inner bottoms of the plug cavities, the planes are positioned on the inner walls of the plug cavities, guide surfaces are arranged on the inner walls of the lugs, and the guide surfaces are annularly arranged on the periphery of the plug interfaces.

Therefore, when the plug is required to be plugged into the plugging cavity on the plugging seat, the two plugging wings on the plug are held by hands and pressed inwards, the two plugging wings are respectively aligned with the two planes, the plug is plugged into the plugging cavity on the plugging seat, when the plug is plugged into the plugging cavity on the plugging seat, the outer sides of the two plugging wings are respectively abutted against the two planes, in the process that the plug is plugged into the plugging cavity on the plugging seat, the plugging buckles on the plugging wings can slide into the plugging interfaces on the lugs very easily through the guide surfaces, and in the plugging cavity, the two planes can clamp the two plugging wings, so that the plug cannot be rotated easily in the plugging cavity.

Preferably, the connector also comprises a binding post, a concave cavity is arranged on the plug connector, one end of the binding post passes through the side wall of the concave cavity and then extends out from the side wall of the concave cavity, the other end of the binding post is positioned at the opening of the concave cavity,

when the plug socket is arranged on the oxygenerator and the plug connector is plugged in the plug cavity on the plug socket, the wiring terminal can be connected with a circuit of the oxygenerator.

Therefore, when the socket is installed on the oxygenerator, the plug connector is plugged into the plug cavity on the socket, the wiring terminal in the concave cavity on the plug connector can be communicated with the circuit of the oxygenerator, so that signal transmission is realized, and the wiring terminal extending out of the side wall of the concave cavity can be connected with other parts, such as: and the wire harness is wound outside the oxygen pipe and used for heating the heating wire of the oxygen in the oxygen pipe, and the wire harness is used for detecting the sensor of the temperature signal in the oxygen pipe.

Preferably, the inner bottom of the inserting cavity is provided with a convex ring which is matched with the pipe mouth, the inner bottom of the inserting cavity is also provided with a convex part, the convex part is provided with a through hole for the wiring terminal to pass through, the insertion pipe is communicated with the space of the convex ring surrounding wall,

when the plug connector is plugged in the plug cavity on the plug connector, the nozzle part is plugged in the convex ring, the wiring terminal is inserted in the through hole and can be communicated with the line of the oxygenerator, and the two plug buckles on the two plug wings are respectively clamped in the plug connectors.

Therefore, install the bayonet socket on the oxygenerator, the intubate on the bayonet socket is connected with the inside oxygen tube of oxygenerator, when pegging graft the grafting in the grafting chamber on the bayonet socket, the nozzle portion is pegged graft in the bulge loop, can realize the intercommunication of nozzle portion and intubate this moment, the oxygen that the oxygenerator was prepared just can carry to outside oxygen tube in, simultaneously, binding post alternates in the perforation and with the circuit switch-on of oxygenerator, realize signal transmission, at this moment, two eye-splice on two inserted wings are in the grafting mouth respectively, the grafting is pegged graft on the bayonet socket firmly can not deviate from easily.

Preferably, the number of the perforations is two, each perforation is provided with a conductive plug bush,

when the plug socket is arranged on the oxygenerator, the plug bush is communicated with the circuit of the oxygenerator,

when the plug connector is plugged in the plug cavity on the plug connector, the two connecting terminals are respectively inserted in the two plug bushes.

Therefore, the plug socket is arranged on the oxygenerator, the two plug bushes in the two through holes are communicated with the circuit of the oxygenerator, and when the plug connector is plugged in the plug cavity on the plug socket, the two connecting terminals are respectively inserted in the two plug bushes, so that signal transmission is realized.

Preferably, the top of the concave cavity is provided with a containing groove, and the inner wall of the inserting cavity is axially provided with a convex rib matched with the containing groove.

Therefore, when the plug connector is plugged into the plugging cavity on the plugging seat, the convex ribs are aligned to the accommodating grooves, then the plug connector is plugged into the plugging cavity on the plugging seat, the pipe mouth of the plug connector can be ensured to be communicated with the plugging pipe, two plug buckles on the two plug wings can be respectively clamped into two plug ports on the two lugs, the convex ribs can be aligned to the accommodating grooves to play a role in positioning, and the plug connector and the socket seat are ensured to be plugged accurately.

Preferably, the device further comprises a fixing pipe, wherein the fixing pipe is sleeved on the connecting pipe, a gap for plugging an oxygen pipe is reserved between the inner wall of the fixing pipe and the outer wall of the connecting pipe, and a slot is formed in the peripheral wall of the fixing pipe.

Therefore, take down the fixed pipe, install the outside oxygen pipe of oxygenerator one end on the connecting pipe, then the fixed pipe overlaps again on the oxygen pipe, and the fixed pipe can ensure that the tip of oxygen pipe can overlap on the connecting pipe firmly, guarantees that the oxygen pipe can not drop from the connecting pipe easily when being pulled, and the fluting on the fixed pipe can provide the wiring shortcut for the pencil of other parts, if: the wire harness of the heating wire, which is used for heating oxygen in the oxygen pipe, is wound outside the oxygen pipe, is used for detecting the wire harness of the sensor of the temperature signal in the oxygen pipe, and reduces unnecessary redundant wire harnesses.

Preferably, the wire connecting device further comprises a protective sleeve, wherein the protective sleeve is sleeved on the periphery of the fixed tube, and one end of the wire connecting terminal is located in the protective sleeve.

Therefore, the protective sleeve can effectively protect the terminal and the wire harness connected with the terminal, so that the terminal is not exposed, and the completeness and the service life are ensured.

Preferably, the outer wall of the plugging cavity is provided with external threads.

Therefore, the socket can be very conveniently installed on the oxygenerator through the external threads.

Drawings

FIG. 1 is a schematic view of an oxygen tube connector assembly for an oxygen generator according to the present utility model;

FIG. 2 is a schematic view of a disassembled structure of the oxygen tube connector assembly shown in FIG. 1;

FIG. 3 is a schematic view of the plug in the oxygen hose plug assembly of FIG. 2;

FIG. 4 is a side view of the bayonet of FIG. 3;

FIG. 5 is a side view of the bayonet of FIG. 3;

FIG. 6 is a schematic view of a socket in the oxygen hose connector assembly of FIG. 2;

FIG. 7 is a side view of the docking station of FIG. 6;

FIG. 8 is a side view of the docking station of FIG. 6;

fig. 9 is a schematic structural view of a fixing tube in the oxygen tube plug assembly shown in fig. 2.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements.

Referring to fig. 1 to 9, an oxygen pipe plug assembly for an oxygenerator includes a plug 1, a plug socket 2, a connection terminal 3, and a fixing pipe 4.

Referring to fig. 1 to 5, a connecting pipe 11 is formed at one end of the plug connector 1, a nozzle 12 is formed at the other end of the plug connector 1, the nozzle 12 is communicated with the connecting pipe 11, the nozzle 12 is used for being communicated with a cannula 22 on the plug connector 2, in order to improve tightness, a sealing ring can be installed on the nozzle 12, oxygen outside the oxygenerator can be sleeved on the connecting pipe 11, then a fixing pipe 4 is sleeved on the oxygen pipe, namely, the end part of the oxygen pipe is positioned between the inner wall of the fixing pipe 4 and the outer wall of the connecting pipe 11, the end part of the oxygen pipe is sleeved on the connecting pipe 11, the fixing pipe 4 is sleeved on the oxygen pipe, when a heating wire spirally arranged outside the oxygen pipe of the oxygenerator is wound, an anti-scalding pipe is sleeved outside the heating wire, the anti-scalding pipe is spirally arranged on the periphery of the oxygen pipe, a first spiral thread 42 can be formed on the inner wall of the fixing pipe 4, the relative size and the pattern of the anti-scalding pipe are matched with the anti-scalding pipe, namely, the fixing pipe 4 and the anti-scalding pipe is connected with the oxygen pipe in a similar structure to the oxygen pipe on the oxygen pipe, and the end part can be prevented from being pulled off from the connecting pipe 11 easily.

Referring to fig. 2 and 9, the peripheral wall of the fixing tube 4 is formed with a slot 41, and the slot 41 on the fixing tube 4 can provide a routing shortcut for the wire harness of other components, such as: the wire harness of the heating wire, which is used for heating oxygen in the oxygen pipe, is wound outside the oxygen pipe, is used for detecting the wire harness of the sensor of the temperature signal in the oxygen pipe, and reduces unnecessary redundant wire harnesses.

Referring to fig. 3 to 5, the socket 1 is formed with a cavity 15, referring to fig. 2, the number of the connection terminals 3 is two, one ends of the two connection terminals 3 penetrate through the side wall 152 of the cavity 15 and then protrude from the wall 153 of the socket 1, and the two connection terminals 3 protruding from the wall 153 of the socket 1 can be connected with other components, such as: the wire harness of the heating wire which is wound outside the oxygen pipe and used for heating oxygen in the oxygen pipe is used for detecting the wire harness of the sensor of the temperature signal in the oxygen pipe, so that signal transmission is realized.

Referring to fig. 1 and 2, the protective sleeve 5 is sleeved on the periphery of the fixing tube 4, and the ends of the two terminals 3 extending from the wall 153 of the plug 1 are located in the protective sleeve 5, so that the protective sleeve 5 can effectively protect the wire harness and the ends of the two terminals 3 from being exposed, thereby ensuring completeness and service life.

Referring to fig. 1 and 2, a socket 2 is in socket fit with a socket head 1; the specific structure of the plug-in socket 2 is as follows: referring to fig. 2, 6 to 8, a plug cavity 21 is formed on the plug seat 2, two opposite lugs 24 are formed on the side wall of the end part of the plug seat 2, a plug port 23 is formed on each lug 24, a convex ring 27 is formed on the inner bottom of the plug cavity 21, the convex ring 27 is matched with the nozzle part 12 on the plug seat 1, a cannula 22 communicated with the surrounding wall space of the convex ring 27 is formed on the outer bottom of the plug cavity 21, when the plug seat 2 is installed on an oxygenerator, the cannula 22 on the plug seat 2 is connected with an oxygen pipe inside the oxygenerator, a convex part 28 is also formed on the inner bottom of the plug seat 21, two through holes 281 for two connecting terminals 3 to pass through are formed on the convex part 28, a conductive plug bush 29 is plugged in each through hole 281, when the plug seat 1 is plugged in the plug cavity 21 on the plug seat 2, the nozzle part 12 on the plug seat 1 is plugged in the convex ring 27, the two connecting terminals 3 are respectively plugged in the two plug bushes 29, and when the plug seat 2 is installed on the oxygenerator, the plug seat 281 is plugged into the plug bush 29, so as to realize signal transmission and signal connection; referring to fig. 1 and 2, an external thread 211 is formed on the socket 2, the socket 2 can be screwed on the oxygenerator through the external thread 211, the insertion tube 22 on the socket 2 is connected with an oxygen tube inside the oxygenerator, the insertion sleeve 29 in the through hole 281 is communicated with a circuit of the oxygenerator, when the socket 1 is inserted into the insertion cavity 21 on the socket 2, the nozzle 12 on the socket 1 is inserted into the convex ring 27 on the inner bottom of the insertion cavity 21, at this time, the communication between the nozzle 12 and the insertion tube 22 can be realized, oxygen produced by the oxygenerator can be sequentially conveyed into the oxygen tube outside the oxygenerator through the insertion tube 22, the nozzle 12 and the connecting tube 11, meanwhile, the two connection terminals 3 are respectively inserted into the two conductive insertion sleeves 29 in the two through holes 281, and the two connection terminals 3 are communicated with the circuit of the oxygenerator, so that signal transmission is realized.

Referring to fig. 1 to 5, two sides of the socket 1 are respectively formed with obliquely arranged wings 13, each wing 13 is formed with an outwardly extending eye-splice 14, and referring to fig. 4, the distance L1 between the upper parts of the two wings 13 is smaller than the distance L2 between the lower parts of the two wings 13, so that the two wings 13 are obliquely arranged relative to the axis of the connecting pipe 11; when the plug 1 is plugged into the plugging cavity 21 on the plug seat 2, the two buckles 14 on the two plugging wings 13 on the plug 1 are respectively clamped into the two plugging openings 23 on the two lugs 24 of the plug seat 2, at this time, the plug 1 is firmly plugged into the plug seat 2 and cannot easily deviate from the plugging openings, when the plug 1 needs to be taken down from the plug seat 2, the two plugging wings 13 are held by hands and pressed inwards, the buckles 14 on the plugging wings 13 deviate from the plugging openings 23, and then the plug 1 is pulled outwards, the installation and the disassembly of the plug 1 and the socket seat 2 are very convenient, and the obliquely arranged plugging wings 13 are convenient for plugging the plug 1 into the plugging cavity 21 on the plug seat 2 and can ensure that the buckles 14 on the plugging wings 13 cannot easily deviate from the plugging openings 23 after being clamped into the plugging openings 23.

Referring to fig. 6 and 7, a plane 25 is formed between the root of each of the two lugs 24 and the inner bottom of the plugging cavity 21, the plane 25 is located on the inner wall of the plugging cavity 21, a guiding surface 26 is formed at the plugging port 23, the guiding surfaces 26 are distributed on the periphery of the plugging port 23, when the plug 1 is plugged into the plugging cavity 21 on the plugging seat 2, the outer sides of the two plugging wings 13 respectively abut against the two planes 25, during the process of plugging the plug 1 into the plugging cavity 21 on the plugging seat 2, the plugging buckles 14 on the plugging wings 13 can slide into the plugging ports 23 on the lugs 24 very easily through the guiding surfaces 26, and in the plugging cavity 21, the two planes 25 can clamp the two plugging wings 13, so that the plug 1 cannot rotate easily in the plugging cavity 21.

Referring to fig. 3 and 5, the top of the cavity 15 is formed with a receiving groove 151, referring to fig. 6 and 7, the inner wall of the inserting cavity 21 is formed with a protruding rib 210 along the axial direction, when the inserting connector 1 is inserted into the inserting cavity 21 on the inserting seat 2, the protruding rib 210 is aligned with the receiving groove 151, then the inserting connector 1 is inserted into the inserting cavity 21 on the inserting seat 2, so that the nozzle 12 on the inserting connector 1 can be inserted into the protruding ring 27 on the inner bottom of the inserting cavity 21, and the two connecting terminals 3 can be respectively inserted into the two conductive inserting sleeves 29 in the two through holes 281, and the two inserting buckles 14 on the two inserting wings 13 can be respectively clamped into the two inserting ports 23 on the two lugs 24, and the protruding rib 210 can be aligned with the receiving groove 151 to play a role in positioning.

Referring to fig. 1 and 2, the socket 2 is screwed on the oxygenerator through the external thread 211, the insertion tube 22 on the socket 2 is connected with the oxygen tube inside the oxygenerator, the two insertion sleeves 29 on the socket 2 are connected with the circuit of the oxygenerator, the protective sleeve 5 and the fixed tube 4 are taken down, one end of the oxygen tube outside the oxygenerator is installed on the connecting tube 11, then the fixed tube 4 is sleeved on the oxygen tube again, the protective sleeve 5 is sleeved on the fixed tube 4, at the moment, the end part of the oxygen tube is firmly sleeved on the connecting tube 11, then the nasal plug oxygen tube or the oxygen inhalation nose mask is installed on the other end of the oxygen tube, then the two insertion wings 13 on the insertion head 1 are held by hands and pressed inwards, the insertion head 1 is inserted in the insertion cavity 21 on the socket 2, then the two insertion wings 13 are loosened, two buckles 14 on two inserting wings 13 on the inserting connector 1 are respectively clamped in two inserting ports 23 on two lugs 24 of the inserting seat 2, at the moment, the inserting connector 1 is firmly inserted on the inserting seat 2 and cannot easily deviate from, at the moment, an oxygen pipe outside the oxygen generator is communicated with an inserting pipe 22 on the inserting seat 2 through the inserting connector 1, namely, the oxygen pipe inside the oxygen generator is communicated with the oxygen pipe, the oxygen produced by the oxygen generator can be conveyed to a nasal plug oxygen absorbing pipe or an oxygen absorbing nose cover through the oxygen pipe for breathing by a user, when the whole machine of the oxygen generator is required to be conveyed or the oxygen pipe is required to be replaced, the two inserting wings 13 are held by hands and are pressed inwards, the buckles 14 on the inserting wings 13 deviate from the inserting ports 23, then the inserting connector 1 is outwards extracted, at the moment, the protecting sleeve 5 and the fixing pipe 4 can be very conveniently replaced, the inserting wings 13 which are obliquely arranged on the inserting connector 1 are conveniently inserted in the inserting seat 2, in addition, in the process that the plug connector 1 is plugged into the plugging cavity 21 on the plugging seat 2, the plug connector 14 on the plug wing 13 can slide into the plugging cavity 23 on the lug 24 very easily through the guide surface 26, and in the plugging cavity 21, the two planes 25 can clamp the two plug wings 13, so that the plug connector 1 can not rotate easily in the plugging cavity 21, and the oxygen tube plug connector assembly for the oxygen generator, the plug connector 1 and the oxygen tube are very convenient to install and disassemble, convenient to transport, and very simple to replace when an oxygen tube outside the oxygen generator has a problem.

The foregoing description is only of some embodiments of the present utility model, and is intended to illustrate the technical means of the present utility model, not to limit the technical scope of the present utility model. The present utility model is obviously modified by those skilled in the art in combination with the prior common general knowledge, and falls within the protection scope of the present utility model.

Claims (10)

1. A oxygen pipe connector assembly for oxygenerator, its characterized in that includes:

the oxygen pipe comprises an inserting connector, wherein a connecting pipe used for being connected with the oxygen pipe is arranged at one end of the inserting connector, a nozzle part communicated with the connecting pipe is arranged at the other end of the inserting connector, inserting wings which are obliquely arranged are respectively arranged at two sides of the inserting connector, and inserting buckles are arranged on the inserting wings; and

the plug-in socket is provided with a plug-in cavity, the outer bottom of the plug-in cavity is provided with a cannula communicated with the plug-in cavity, two sides of the plug-in socket are respectively provided with a plug-in port,

the plug connector can be inserted into the insertion cavity on the insertion seat, when the plug connector is inserted into the insertion cavity, the pipe mouth is communicated with the insertion pipe, and the two eye-splice on the two insertion wings are respectively clamped in the insertion opening.

2. The oxygen pipe plug assembly according to claim 1, wherein two lugs arranged oppositely are arranged on the side wall of the end part of the plug seat, and the two plug ports are respectively arranged on the two lugs.

3. The oxygen pipe plug assembly according to claim 2, wherein a plane is arranged between the root parts of the two lugs and the inner bottom of the plug cavity, the plane is positioned on the inner wall of the plug cavity, a guide surface is arranged on the inner wall of the lug, and the guide surface is annularly arranged on the periphery of the plug port.

4. The oxygen pipe plug assembly according to claim 2, further comprising a connecting terminal, wherein the plug is provided with a concave cavity, one end of the connecting terminal penetrates through the side wall of the concave cavity and then extends out of the side wall of the concave cavity, the other end of the connecting terminal is positioned at the opening of the concave cavity,

when the plug socket is arranged on the oxygenerator and the plug connector is plugged in the plug cavity on the plug socket, the wiring terminal can be connected with a circuit of the oxygenerator.

5. The oxygen tube connector assembly of claim 4, wherein the inner bottom of the connector cavity is provided with a convex ring which is matched with the tube mouth, the inner bottom of the connector cavity is also provided with a convex part, the convex part is provided with a through hole for a wiring terminal to pass through, the insertion tube is communicated with the space of the convex ring surrounding wall,

when the plug connector is plugged in the plug cavity on the plug connector, the nozzle part is plugged in the convex ring, the wiring terminal is inserted in the through hole and can be communicated with the line of the oxygenerator, and the two plug buckles on the two plug wings are respectively clamped in the plug connectors.

6. The oxygen pipe plug assembly of claim 5, wherein the number of the through holes is two, each through hole is provided with a conductive plug bush,

when the plug socket is arranged on the oxygenerator, the plug bush is communicated with the circuit of the oxygenerator,

when the plug connector is plugged in the plug cavity on the plug connector, the two connecting terminals are respectively inserted in the two plug bushes.

7. The oxygen cannula connector assembly of claim 4, wherein the top of the concave cavity is provided with a containing groove, and the inner wall of the insertion cavity is axially provided with a convex rib matched with the containing groove.

8. The oxygen cannula connector assembly of claim 4, further comprising a fixing tube, wherein the fixing tube is sleeved on the connecting tube, a gap for inserting an oxygen tube is reserved between the inner wall of the fixing tube and the outer wall of the connecting tube, and a slot is formed in the peripheral wall of the fixing tube.

9. The oxygen-hose connector assembly of claim 8, further comprising a protective sleeve, the protective sleeve being disposed around the periphery of the fixed tube and one end of the terminal being disposed in the protective sleeve.

10. The oxygen pipe plug assembly according to any one of claims 1 to 9, wherein external threads are provided on an outer wall of the plug cavity.