CN208287349U - It is a kind of quickly to connect him with gas and rescue the connection component of breathing mask - Google Patents

Abstract

The utility model discloses one kind can quickly connect him with gas and rescue the connection component of breathing mask comprising three-way connection component and for rescuing the male end connector that breathing mask is connect with him；Three-way connection component includes: threeway seat, has input port for connecting with gas source and respectively at least two delivery outlets with the input port gas communication；Three-way connection component further include: at least two joint assemblies, it is correspondingly connected with at least two delivery outlets respectively, wherein each joint assembly includes: hollow connector, it has the first part for being set in corresponding delivery outlet and being fixedly connected with the corresponding delivery outlet and the second part outside delivery outlet, the air chamber of the sealing of accommodating gas is formed in the outer wall of first part and the inner wall of corresponding delivery outlet, first part is equipped with the first venthole being arranged along the radial direction of connector, and first venthole is connected with air chamber；Hollow gaseous core bar, the first elastic component are set in connector.

Description

It is a kind of quickly to connect him with gas and rescue the connection component of breathing mask

Technical field

The utility model relates to a kind of attachment devices more particularly to a kind of for connecting the attachment device of breathing equipment.

Background technique

Positive-pressure air respirator is equipped as respiratory protection, is widely used in fire-fighting and rescue, metallurgy, chemical industry, ship And the every field such as army, fire, hazardous materials spillage, smog, anoxic etc., which are handled, for fireman and relevant staff dislikes Bad operation field, to carry out fire source detecting, fire extinguishing, the disaster relief, the work such as speedily carry out rescue work and rescue.

In the prior art, positive-pressure air respirator is by cylinder package, depressurized system component, mask, steam supply valve and backrest Assembly composition.In use, first will in the high pressure gas cylinder in cylinder package be full of 30Mpa compressed air, then by high pressure gas cylinder with Pressure reducing valve connection on air respiratorresuscitator, after opening bottle valve, the compressed air in gas cylinder enters pressure reducing valve, after level-one depressurizes It is divided into two-way gas supply by the fast interface threeway in middle pressure pipe, connect all the way with the fast male end of inserting on steam supply valve into steam supply valve Enter mask for user's breathing use after carrying out secondary pressure, he rescues interface and rescues with him when the fast interface of another way is as rescue The fast of mask inserts male end connection for being rescued personnel's breathing use.It is that the fast male end of inserting for rescuing mask with him is connect that wherein he, which rescues interface, He rescue interface be in the case where rescue personnel itself normal use respiratory protection, while rescue when relief trapped person when It will use, therefore when rescue personnel only need to meet itself respiratory protection, he rescues interface and rescues mask without connecting him, but needs to refer to Out, he rescues connector and must can just be normally carried out connection in the case where the pressure pressure without in the prior art, that is to say, that when It when rescue personnel needs to rescue interface using him, needs to operate under the pressure pressure without in, and to realize that (i.e. level-one subtracts pressure pressure without in Air pressure after pressure, 0.7MPa) need to close bottle valve cutting gas source again, it thus will affect the feeding pneumatic of rescue personnel itself Normal use, cause potential danger of personal injury.Especially in fire-fighting and rescue, in the case where succouring trapped person, this is lacked Falling into seems especially prominent, is extremely unfavorable for ensureing the personal safety of rescue personnel.

Based on this, it is expected that obtaining a kind of connection component, by the Optimal Structure Designing to connection component, effectively solve existing He, which rescues interface, in technology to connect the technical issues of he rescues mask in the case where pressure pressure in use, thus nothing Gas supply gas source need to be closed, ensure that the personal safety of rescue personnel.

Utility model content

Him can be quickly connected with gas the purpose of this utility model is to provide one kind and rescue the connection component of breathing mask, lead to The airflow direction that the structure for crossing design connection component imports connection component when connecting with breathing mask by interface is by axial direction It is changed to radial direction, so that axial flow pressure reduces, achieves that connection without closing gas source.Connecting component structure letter Single, it is convenient to operate, and applicability is high.

In order to achieve the above object, the utility model provides and a kind of can quickly connect him with gas and rescue the connection of breathing mask Component comprising three-way connection component and for rescuing the male end connector that breathing mask is connect with him；The three-way connection component packet Include: threeway seat has input port for connecting with gas source and respectively at least two with the input port gas communication Delivery outlet；It is characterized in that, the three-way connection component further include:

At least two joint assemblies are correspondingly connected with at least two delivery outlets respectively, and wherein each joint assembly is equal Include:

Hollow connector has for being set in corresponding delivery outlet and being fixedly connected with the corresponding delivery outlet A part and the second part outside delivery outlet, form in the outer wall of the first part and the inner wall of corresponding delivery outlet There is the air chamber of the sealing of accommodating gas, the first part is equipped with the first ventilation being arranged along the radial direction of connector Hole, first venthole are connected with air chamber；

Hollow gaseous core bar, is sheathed in the connector, the gaseous core bar be equipped with the second venthole, described second Venthole is connected with the internal cavity of gaseous core bar, and the tail end on the gaseous core bar axial direction is equipped with gas outlet；

First elastic component is set in connector, and is axially set between the gentle core bar of connector, to apply to gaseous core bar Add axial thrust；

Wherein, in the first station, the first elastic component in axial direction applies axial thrust to gaseous core bar in a first direction, So that the second venthole and the first venthole be to just, so that gas circuit is not turned on；

In second station, male end connector 7 is docked with the gas outlet of gaseous core bar, and in axial direction opposite with first direction Second direction on to gaseous core bar apply axial thrust with overcome the first elastic component apply axial thrust so that gaseous core bar along Axial direction is subjected to displacement towards second direction, until the second venthole is connected with the first venthole, in this case, the gas Endoceliac gas radially enters the gaseous core bar, so that gas circuit is connected.

It is described in the utility model can quickly connect him with gas and rescue the connection component of breathing mask can be used for positive-pressure type air Respirator.Working principle when below with for positive-pressure air respirator come illustrate it is described in the utility model can be quick with gas It connects him and rescues the working principle and implementation result of the connection component of breathing mask.

By it is described in the utility model can quickly connect him with gas and rescue the connection component of breathing mask exhaled with positive-pressure type air The gas path pipe of haustorium connects, and after connection, gas is imported by input port in three-way connection component, and is exported by delivery outlet, due to There are at least two delivery outlets using three-way connection component, therefore, it is possible to which a delivery outlet is personal for rescue personnel, other are defeated Outlet is rescued for him, but it should be recognized that gas does not flow out to external rings from delivery outlet when not connecting with breathing mask Border so that gas using most rationalizing with keep rescue when personnel personal safety.

Therefore, when connection component is in the first station, due to the first elastic component in axial direction in a first direction to Gaseous core bar applies axial thrust, so that the second venthole and the first venthole, so that gas circuit is not turned on, avoid gas not to just The leakage of body improves the air-tightness of connection component.

And when needing him to rescue, then connection component is switched into second station, is connect at this point, rescuing the male end that mask is connect with him Head is docked with the gas outlet of gaseous core bar, and in axial direction applies axis to gaseous core bar in a second direction that is opposite the first direction Axial thrust to thrust to overcome the first elastic component to apply, so that the first gaseous core bar is axially sent out towards second direction Raw displacement, until the second venthole is connected with the first venthole, in this case, the gas in air chamber radially enters Gaseous core bar, so that gas circuit is connected, gas is flowed into breathing mask from delivery outlet through male end connector, for using.

It can thus be seen that connection component not only realizes interface and leads in technical solution described in the utility model The airflow direction entered is by being axially changed to radial direction, so that axial flow pressure reduces, and connection described in the utility model Component is achieving that he rescues the quick connection of interface, the especially connection component without closing gas source, and structure is simple, behaviour It is convenient to make, and air-tightness is high, applied widely.

In some preferred embodiments, in order to increase its sealing effect, the second venthole and the first venthole it Between be equipped with third sealing ring, so that self-sealing when realizing not connected male end connector is air tight.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, institute The first part for stating connector is threadably secured connection with corresponding delivery outlet, and to realize quickly connection, and sealing effect is good.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, institute It states and is equipped with the first sealing ring between the first part of connector and corresponding delivery outlet, to improve sealing effect.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, institute It states and is additionally provided with sealing element supporting block in connector, the second sealing ring is set between sealing element supporting block and the inner wall of connector, institute The first elastic component is stated to be arranged between the gentle core bar of axial end face of sealing element supporting block.

In above scheme, sealing element supporting block plays the role of improving air-tightness while fixed stop.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, often One joint assembly is equal further include: axle sleeve is fixedly connected with the second part of the connector, and the inner wall of the axle sleeve has Radially inwardly projecting first boss, to prevent the gaseous core bar from taking off out of connector in the axial direction in first station Out.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, institute The second part for stating axle sleeve and connector is threadably secured connection.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, often One joint assembly is equal further include:

Limit self set, the first end on axial direction are sheathed on outside the connector, and second on axial direction End cap is set to outside the axle sleeve；

Second elastic component is axially set between the axial end face of connector and the limit end face of limit self set, with It is covered to limit self and applies axial thrust；

Positioning sleeve is set in the axle sleeve, and is set between gaseous core bar and axle sleeve in the axial direction；

Self-locking pearl is set in the hole slot of axle sleeve；

The outer wall of the male end connector is equipped with card slot corresponding with self-locking pearl；

Wherein, in first station, under the axial thrust effect of the first elastic component, the positioning sleeve is by the institute of axle sleeve State first boss limit, and in radial directions be located at self-locking pearl inside so that self-locking pearl it is projecting inward from hole slot and with limit From the stop end face contact of lock tube, to prevent limit self from covering under the action of the axial thrust that the second elastic component applies towards the One direction is mobile；

In the second station, male end connector 7 is docked with the gas outlet of gaseous core bar, and in axial direction with first direction The axial thrust for applying axial thrust to gaseous core bar in opposite second direction to overcome the first elastic component to apply, so that positioning sleeve It is axially subjected to displacement towards second direction together with gaseous core bar, positioning sleeve leaves on the inside of self-locking pearl, so that self-locking pearl It radially inwardly falls into the card slot, then limit self covers the court under the action of axial thrust that the second elastic component applies First direction it is mobile, until the second boss 27 projected radially outward being equipped with by axle sleeve outer wall limits, in this case, The radially-inwardly raised briquetting that limit self set inner wall is equipped with is resisted against on self-locking pearl, to prevent self-locking pearl from taking off from card slot Out.

In order to further increase this case connection component connection effect, especially avoid in the first station and second station Each component occurs to misplace and influence the airtight effect of connection component, therefore, this case utility model people between connection component when switching Provided with limit self set, the second elastic component, positioning sleeve, self-locking pearl and card slot.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, On axial direction, seal washer is additionally provided between the gentle core bar of positioning sleeve.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, institute It states self-locking pearl and is provided with several, the circumferential direction along the axle sleeve is arranged in uniform way.

In above scheme, self-locking pearl can be arranged according to the concrete condition of each embodiment in those skilled in the art Quantity, such as it is set as four, five, six or other quantity.

Further, it can quickly be connected in the connection component that he rescues breathing mask with gas described in the utility model, institute Card slot is stated with ramp, when so that male end connector axially moving, ramp applies radially outer to self-locking pearl Thrust.

In above scheme, setting ramp favorably makes self-locking pearl be easy to be reset in hole slot out of card slot.

It is described in the utility model can quickly connect him with gas and rescue the connection component of breathing mask pass through design connection component Structure make connection component when being connect with breathing mask by interface import airflow direction by being axially changed to radial direction, to make Axial flow pressure reduces, achieve that connection without closing gas source, effectively solution in the prior art he rescue interface can not be The technical issues of he rescues mask is connected in the case where pressure pressure in band in use process, ensure that the personal safety of rescue personnel. In addition, the connecting component structure is simple, it is convenient to operate, and applicability is high.

Detailed description of the invention

Fig. 1 illustrates positive-pressure air respirator can quickly be connected him with gas and rescued respiratory surface using described in the utility model The structure of the connection component of cover.

Fig. 2 is that described in the utility model can quickly connect him with gas and rescue the structural representation of the connection component of breathing mask Figure.

Specific embodiment

Below in conjunction with specific embodiments and Figure of description can quickly be connected to described in the utility model with gas The connection component that he rescues breathing mask is further described, but the explanation does not constitute the improper limit to the utility model It is fixed.

Fig. 1 illustrates positive-pressure air respirator can quickly be connected him with gas and rescued respiratory surface using described in the utility model The structure of the connection component of cover.

As shown in Figure 1, in the present embodiment, by can with gas quickly he rescue the connection component 2 and positive-pressure type of breathing mask Air respiratorresuscitator connects, and the high pressure gas cylinder in cylinder package in positive-pressure air respirator provides the compressed gas for breathing (such as oxygen or air), the pressure of compressed gas is higher (such as 30MPa), need to pass through the pressure reducing valve of positive-pressure air respirator By gas decompression to middle pressure (air pressure 0.7MPa).At this point, the gas of middle pressure by medium pressure supply pipe 1 through connection component 2 flow into He rescues in the breathing mask 4 of 3 plug connection of interface, wherein in breathing mask 4 wherein one be served only for rescue personnel itself breathing, And another is for use when rescuing trapped person.

Structure about the connection component 2 in present embodiment can be with further reference to Fig. 2.Fig. 2 is the utility model institute That states can quickly connect him with gas and rescue the structural schematic diagram of the connection component of breathing mask.

As shown in Fig. 2, connection component 2 includes the male end that three-way connection component and the breathing mask 4 for rescuing with him are connect Connector 5, wherein three-way connection component includes threeway seat 6 and the joint assembly 7 that is correspondingly connected with the delivery outlet of threeway seat 6.At this In embodiment, threeway seat 6 have input port for connecting and (being connect with the outlet end of medium pressure supply pipe 1) with gas source and Respectively at two delivery outlets of input port gas communication, and two joint assemblies 7 are correspondingly connected with two delivery outlets respectively.

It can be seen that in the present embodiment with reference to figure Fig. 2, each joint assembly 7 includes: hollow connector 71, hollow gaseous core bar 72 and the first elastic component 73, wherein connector 71 have be set to corresponding delivery outlet in and with it is corresponding The first part that is fixedly connected of delivery outlet and the second part outside delivery outlet, in the outer wall of first part and corresponding The inner wall of delivery outlet is formed with the air chamber of the sealing of accommodating gas, and first part sets equipped with the radial direction along connector 71 The first venthole 711 set, the first venthole 711 is connected with air chamber, and gaseous core bar 72 is sheathed in connector 71, gaseous core Bar 72 is equipped with the second venthole 721, and the second venthole 721 is connected with the internal cavity of gaseous core bar 72,72 axial direction side of gaseous core bar Upward tail end is equipped with gas outlet；First elastic component 73 is set in connector 71, and is axially set to the gentle core bar of connector 71 Between 72, to apply axial thrust to gaseous core bar 72, specifically, and in the present embodiment, 73 company of being arranged in of the first elastic component Between the gentle core bar 72 of axial end face for the sealing element supporting block 712 being arranged in fitting 71, in order to improve sealing effect, sealing The second sealing ring 82 is equipped between part supporting block 712 and the inner wall of connector 71.

In addition, it should be noted that, the first part of connector 71 is threadably secured connection with corresponding delivery outlet, and In order to improve sealing effect, the first sealing ring 81 is equipped with corresponding delivery outlet in the first part of connector 71.

Two joint assemblies 7 in Fig. 2 just correspond to connection knot when showing in the first station and second station Structure.

When being in the first station, the first elastic component 73 is in axial direction in a first direction (i.e. along axial direction shown in P1 Direction is far from input port direction) apply axial thrust to gaseous core bar, so that the second venthole 721 and the first venthole 711 be not right Just, so that gas circuit is not turned on, in addition, in order to increase its sealing effect, the second venthole 721 and the first venthole 711 it Between be equipped with third sealing ring 83, to realize that the self-sealing of not connected male end connector 5 is air tight.

When being in second station, male end connector 5 is docked with the gas outlet of gaseous core bar 72, and in axial direction with first Apply axial thrust to gaseous core bar in contrary second direction (i.e. in axial direction towards input port direction shown in P2) With the axial thrust for overcoming the first elastic component 73 to apply, so that axially towards second direction position occurs for gaseous core bar 72 Move, until the second venthole 721 and the conducting of the first venthole 711, in this case, gas in air chamber radially into Enter gaseous core bar 72, so that gas circuit is connected.

P3 illustrates the flow direction of gas in Fig. 2, and as seen from Figure 2, gas is flowed into from the input port of threeway seat 6 Afterwards, in the air chamber for the sealing for being formed with accommodating gas into the inner wall of the outer wall of first part and corresponding delivery outlet, at this time The direction of gas flowing is still axial direction, and when the second venthole 721 and the first venthole 711 are connected, gas is then from axis The internal cavity for being changed to flow into gaseous core bar 72 along the radial direction of connector 71 to direction has at this point, axial flow pressure reduces Effect solve in the prior art he rescue interface and can not connect him in the case where pressure pressure in band in use and rescue the skill of mask 4 Art problem ensure that the personal safety of rescue personnel because supplying gas source without closing.

When switching in order to avoid the first station and second station, each component between connection component 2 misplaces, In present embodiment, joint assembly 7 further includes axle sleeve 74, and axle sleeve 74 is fixedly connected with the second part of connector 71, in this reality It applies in mode, is fixedly connected and is fixedly connected using screw thread, the inner wall of 74 axle sleeves has radially inwardly projecting first boss 741, to prevent gaseous core bar 72 from deviating from out of connector 71 in the axial direction in the first station.

With further reference to Fig. 2 it can also be seen that each joint assembly 7 is equal further include: the 75, second elasticity of limit self set Part 76, positioning sleeve 77 and self-locking pearl 78, self-locking pearl 78 are set in the hole slot 79 of axle sleeve 74, and on the outer wall of male end connector 5 Equipped in card slot 51 corresponding with self-locking pearl 78.Wherein, the first end on the axial direction of limit self set 75 is sheathed on connection Outside part 71, and the second end on the axial direction of limit self set 75 is sheathed on outside axle sleeve 74, to reinforce axle sleeve and connector Connection between 71；Second elastic component 76 axially set on connector 71 axial end face and limit self set limit end face it Between, to apply axial thrust to limit self set 75；Positioning sleeve 77 is set in axle sleeve 74, and is set to gaseous core bar in the axial direction Between 72 and axle sleeve 74；

Wherein, when being in the first station, under the axial thrust effect of the first elastic component 73, positioning sleeve 77 is by axle sleeve 74 First boss 741 limit, and in radial directions be located at self-locking pearl 78 inside so that self-locking pearl 78 it is projecting inward from hole slot 79 and 75 stop end face contact is covered, with limit self to prevent limit self set 75 in the axial thrust of the second elastic component 76 application It is mobile towards first direction under effect；

And when being in second station, male end connector 5 is docked with the gas outlet of gaseous core bar 72, and in axial direction with the The axial thrust for applying axial thrust to gaseous core bar 72 in one contrary second direction to overcome the first elastic component 73 to apply, So that positioning sleeve 77 is axially subjected to displacement towards second direction together with gaseous core bar, positioning sleeve 77 leaves self-locking pearl 78 Inside, so that self-locking pearl 78 radially inwardly falls into card slot 51, then limit self set 75 applies in the second elastic component It is mobile towards first direction under the action of axial thrust, until convex by the second of projecting radially outward of being equipped with of 74 outer wall of axle sleeve Platform 742 limits, and in this case, limit self covers the radially-inwardly raised briquetting 781 that 75 inner walls are equipped with and is resisted against self-locking pearl On 78, to prevent self-locking pearl 78 from deviating from from card slot 51, and in order to enable self-locking pearl 78 is easy to be reset to hole slot out of card slot 51 In 79, card slot 51 has ramp 511, and when so that male end connector 5 axially moving, ramp 511 is to self-locking pearl 78 Apply radially outer thrust.

In the present embodiment, in order to improve sealing effect, gasket is additionally provided between positioning sleeve 77 and gaseous core bar 72 Circle 84.

It should be noted that in the present embodiment, the first elastic component 73 and the second elastic component 76 can using spring or The elastic component of other dawns known to those skilled in the art.And in the present embodiment, the quantity of self-locking pearl is set as six, and And it is arranged in uniform way along the circumferential direction of axle sleeve 74.It is understood that in other implementations, technology in the art Personnel can set the quantity of self-locking pearl to four, five or other quantity.

Due to using can quickly connect him with gas and rescue breathing mask in present embodiment it can be seen from Fig. 1 to Fig. 2 Connection component 2 allows positive-pressure type respirator to realize that the breathing mask 4 rescued with him is quick under gas pressure at intermediate pressure Grafting can either fast implement the rescue of trapped person, and can ensure the personal safety of rescue personnel.

In addition, in present embodiment can quickly be connected with gas he rescue breathing mask 2 structure of connection component it is simple, operation Convenient, air-tightness is high, and reasonable in design, applicability is wide.

It should be noted that prior art part is not limited to present specification institute in the protection scope of the utility model The embodiment provided, all prior arts not contradicted with the embodiment of the utility model, including but not limited to first patent Document, first public publication, formerly openly use etc., it can all be included in the protection scope of the utility model.

In addition, in this case in the combination of each technical characteristic and unlimited this case claim documented combination or It is combination documented by specific embodiment, all technical characteristics that this case is recorded can be freely combined in any way Or combine, unless generating contradiction between each other.

It is also to be noted that embodiment enumerated above is only specific embodiment of the utility model.This obvious reality Above embodiments are not limited to novel, the similar variation or deformation made therewith are that those skilled in the art can be practical new from this What type disclosure immediately arrived at or was easy to just to associate, it all should belong to the protection range of the utility model.

Claims (10)

1. one kind can quickly connect him with gas and rescue the connection component of breathing mask comprising three-way connection component and for being rescued with him The male end connector of breathing mask connection；The three-way connection component includes: threeway seat, has the input for connecting with gas source Mouth and respectively at least two delivery outlets with the input port gas communication；It is characterized in that, the three-way connection component is also Include:

At least two joint assemblies are correspondingly connected with at least two delivery outlets respectively, and wherein each joint assembly includes:

Hollow connector has first for being set to and being fixedly connected in corresponding delivery outlet and with the corresponding delivery outlet Point and the second part outside delivery outlet, be formed with appearance in the outer wall of the first part and the inner wall of corresponding delivery outlet The air chamber of the sealing of gas is set, the first part is equipped with the first venthole being arranged along the radial direction of connector, institute The first venthole is stated to be connected with air chamber；

Hollow gaseous core bar, is sheathed in the connector, and the gaseous core bar is equipped with the second venthole, second ventilation Hole is connected with the internal cavity of gaseous core bar, and the tail end on the gaseous core bar axial direction is equipped with gas outlet；

First elastic component is set in connector, and is axially set between the gentle core bar of connector, to apply axis to gaseous core bar To thrust；

Wherein, in the first station, the first elastic component in axial direction applies axial thrust to gaseous core bar in a first direction, so that Second venthole and the first venthole be not to just, so that gas circuit is not turned on；

In second station, male end connector is docked with the gas outlet of gaseous core bar, and in axial direction opposite with first direction The axial thrust for applying axial thrust to gaseous core bar on two directions to overcome the first elastic component to apply, so that gaseous core bar is axially Direction is subjected to displacement towards second direction, until the second venthole is connected with the first venthole, in this case, the air chamber Interior gas radially enters the gaseous core bar, so that gas circuit is connected.

2. can quickly connect him with gas as described in claim 1 rescues the connection component of breathing mask, which is characterized in that the company The first part of fitting is threadably secured connection with corresponding delivery outlet.

3. can quickly connect him with gas as described in claim 1 rescues the connection component of breathing mask, which is characterized in that the company The first sealing ring is equipped between the first part of fitting and corresponding delivery outlet.

4. can quickly connect him with gas as described in claim 1 rescues the connection component of breathing mask, which is characterized in that the company It is additionally provided with sealing element supporting block in fitting, the second sealing ring is set between sealing element supporting block and the inner wall of connector, and described the One elastic component is arranged between the gentle core bar of axial end face of sealing element supporting block.

5. can quickly connect him with gas and rescue the connection component of breathing mask as described in any one of claim 1-4, special Sign is that each joint assembly is equal further include: axle sleeve is fixedly connected with the second part of the connector, the axle sleeve Inner wall there is radially inwardly projecting first boss, with first station prevent the gaseous core bar in the axial direction from Abjection in connector.

6. can quickly connect him with gas as claimed in claim 5 rescues the connection component of breathing mask, which is characterized in that the axis Set is threadably secured with the second part of connector to be connect.

7. can quickly connect him with gas as claimed in claim 5 rescues the connection component of breathing mask, which is characterized in that each Joint assembly is equal further include:

Limit self set, the first end on axial direction are sheathed on outside the connector, the second end cap on axial direction Outside the axle sleeve；

Second elastic component is axially set between the axial end face of connector and the limit end face of limit self set, with to limit Position applies axial thrust from lock tube；

Positioning sleeve is set in the axle sleeve, and is set between gaseous core bar and axle sleeve in the axial direction；

Self-locking pearl is set in the hole slot of axle sleeve；

The outer wall of the male end connector is equipped with card slot corresponding with self-locking pearl；

Wherein, in first station, under the axial thrust effect of the first elastic component, the positioning sleeve is by described the of axle sleeve One boss limit, and in radial directions be located at self-locking pearl inside so that self-locking pearl it is projecting inward from hole slot and and limit self The stop end face contact of set, to prevent limit self from covering under the action of the axial thrust that the second elastic component applies towards first party To movement；

In the second station, male end connector is docked with the gas outlet of gaseous core bar, and in axial direction opposite with first direction Second direction on to gaseous core bar apply axial thrust with overcome the first elastic component apply axial thrust so that positioning sleeve and gas Core bar is axially subjected to displacement towards second direction together, and positioning sleeve leaves on the inside of self-locking pearl, so that self-locking pearl is along diameter It is inwardly fallen into the card slot to direction, then limit self covers under the action of the axial thrust that the second elastic component applies towards the One direction is mobile, until the second boss projected radially outward being equipped with by axle sleeve outer wall limits, in this case, limit is certainly The radially-inwardly raised briquetting that lock tube inner wall is equipped with is resisted against on self-locking pearl, to prevent self-locking pearl from deviating from from card slot.

8. can quickly connect him with gas as claimed in claim 7 rescues the connection component of breathing mask, which is characterized in that in axial direction On direction, seal washer is additionally provided between the gentle core bar of positioning sleeve.

9. can quickly connect him with gas as claimed in claim 7 rescues the connection component of breathing mask, which is characterized in that it is described from Lock pearl is provided with several, and the circumferential direction along the axle sleeve is arranged in uniform way.

10. can quickly connect him with gas as described in claim 7 rescues the connection component of breathing mask, which is characterized in that institute Card slot is stated with ramp, when so that male end connector axially moving, ramp applies radially outer to self-locking pearl Thrust.