CN221054480U

CN221054480U - Gas conveying pipeline connecting assembly and gas conveying pipeline

Info

Publication number: CN221054480U
Application number: CN202322799461.7U
Authority: CN
Inventors: 蒋盛军; 孙佳
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-05-31
Anticipated expiration: 2033-10-18

Abstract

The application relates to the technical field of gas conveying equipment, in particular to a gas conveying pipeline connecting assembly and a gas conveying pipeline. The gas delivery pipeline connecting assembly comprises a first connector, a second connector and a sleeve, wherein the second connector is connected with the first connector, the inside of the first connector is communicated with the inside of the second connector to jointly form a flow guide channel, the sleeve is annularly arranged outside a connecting part of the first connector and the second connector, a liquid storage cavity is formed among the first connector, the second connector and the sleeve, and the liquid storage cavity is configured to store liquid; the junction of the first joint and the second joint is provided with a sealing surface, one end of the sealing surface is intersected with the diversion channel, and the other end of the sealing surface is intersected with the liquid storage cavity. According to the gas conveying pipeline connecting assembly, whether the sealing surface leaks or not can be detected through the change of the liquid level or the bubbles in the liquid storage cavity, and then the gas leakage phenomenon at the pipeline connecting position can be timely found.

Description

Gas conveying pipeline connecting assembly and gas conveying pipeline

Technical Field

The application relates to the technical field of gas conveying equipment, in particular to a gas conveying pipeline connecting assembly and a gas conveying pipeline.

Background

Adjacent pipelines for gas delivery are generally sealed by sealing elements, and gas leakage is easy to occur at the connecting positions between the adjacent pipelines due to irregular installation of the sealing elements or aging of the sealing elements. And most of the gas belongs to colorless and odorless gas, so that the gas leakage phenomenon at the joint of the pipeline cannot be found timely, and the leakage detection difficulty is increased.

Disclosure of utility model

In view of the defects existing in the prior art, the application aims to provide a gas conveying pipeline connecting assembly and a gas conveying pipeline, which can effectively solve the problem that the gas leakage phenomenon at the pipeline connecting position cannot be found timely.

A first aspect of the present application discloses a gas delivery line connection assembly comprising:

a first joint;

the second connector is connected with the first connector, and the interior of the first connector is communicated with the interior of the second connector to jointly form a diversion channel;

The sleeve is arranged outside the joint of the first joint and the second joint in a surrounding mode, a liquid storage cavity is formed among the first joint, the second joint and the sleeve, and the liquid storage cavity is configured to store liquid;

The junction of the first joint and the second joint is provided with a sealing surface, one end of the sealing surface is intersected with the diversion channel, and the other end of the sealing surface is intersected with the liquid storage cavity.

According to the gas conveying pipeline connecting assembly, one end of the sealing surface is intersected with the flow guide channel, the other end of the sealing surface is intersected with the liquid storage cavity, the liquid storage cavity and the flow guide channel can be communicated when leakage occurs to the sealing surface, gas in the flow guide channel can enter the liquid storage cavity through the sealing surface, liquid can be stored in the liquid storage cavity, the liquid level can be changed under the action of the gas to generate bubbles, so that whether the sealing surface is leaked or not can be detected through the change of the liquid level or the bubbles, and further the gas leakage phenomenon at the connecting position of the pipeline can be found timely.

In some embodiments of the application, the sleeve includes at least one visual window configured to observe a change in the level of the liquid in the liquid reservoir.

Whether the liquid level in the liquid storage cavity generates bubbles is observed through the visual window, and whether the leakage phenomenon of the sealing surface occurs can be rapidly and effectively confirmed according to the occurrence of the bubbles at the liquid level.

In some embodiments of the application, the sleeve is entirely a see-through sleeve.

The whole sleeve is set to be a perspective sleeve, so that the liquid level change in the liquid storage cavity can be observed from multiple directions outside the sleeve, and whether the leakage phenomenon of the sealing surface occurs is confirmed.

In some embodiments of the application, the first seal assembly is disposed between the first joint and the second joint, the first seal assembly configured to seal a junction of the first joint and the second joint.

The first sealing assembly seals the joint of the first joint and the second joint, so that the leakage phenomenon at the joint of the first joint and the second joint can be reduced.

In some embodiments of the present application, an end of the first connector facing the second connector is provided with one of a first insertion groove and a first insertion protrusion, an end of the second connector facing the first connector is provided with the other of the first insertion groove and the first insertion protrusion, the first insertion groove is in insertion fit with the first insertion protrusion, and at least part of the first sealing component is sandwiched between the first insertion groove and the first insertion protrusion.

Through first grafting recess and the protruding cooperation of first grafting, the first joint of being convenient for is connected with the second joint, simultaneously, locates at least partly first seal assembly clamp between first grafting recess and the first grafting arch, can reduce the junction emergence leakage phenomenon of first joint and second joint.

In some embodiments of the application, the first seal assembly includes a first groove seal and a first protrusion seal, at least a portion of the first groove seal conforming to an interior of the first mating groove and at least a portion of the first protrusion seal conforming to an exterior of the first mating protrusion.

Through setting up first seal assembly into the two-part structure of first recess sealing member and first protruding sealing member, and first recess sealing member and first protruding sealing member cooperate with first grafting recess and first grafting arch respectively, can reduce the position emergence deviation of first seal assembly in the installation, improve first seal assembly's location effect, improve the leakproofness of the junction of first joint and second joint.

In some embodiments of the application, a second seal assembly is further provided between at least one of the first joint and the second joint and the sleeve, the second seal assembly being configured to seal the connection of the at least one of the first joint and the second joint to the sleeve.

By sealing the joint between at least one of the first joint and the second joint and the sleeve by the second sealing assembly, leakage phenomenon at the joint between at least one of the first joint and the second joint and the sleeve can be reduced.

In some embodiments of the application, the outer peripheral surface of the second joint is provided with an annular boss, the end of the second joint facing the first joint is spaced from the annular boss, the sleeve is clamped between the annular boss and the first joint, and a second sealing assembly is arranged between the sleeve and the first joint.

Through setting up annular boss, be convenient for locate annular boss and first joint with telescopic clamp to through setting up second seal assembly between sleeve and first joint, reduce sleeve and first joint's junction and take place to reveal the phenomenon.

In some embodiments of the present application, the end of the first joint facing the sleeve is provided with one of a second insertion groove and a second insertion protrusion, the end of the sleeve facing the first joint is provided with the other of the second insertion groove and the second insertion protrusion, the second insertion groove is in insertion fit with the second insertion protrusion, and at least part of the second sealing component is clamped between the second insertion groove and the second insertion protrusion.

Through the cooperation of second grafting recess and second grafting arch, be convenient for first joint and telescopic connection, simultaneously, with at least partial second seal assembly clamp locate between second grafting recess and the second grafting arch, can reduce that first joint and telescopic junction take place to reveal the phenomenon.

In some embodiments of the application, the second seal assembly includes a second groove seal and a second protrusion seal, at least a portion of the second groove seal conforming to an interior of the second mating groove and at least a portion of the second protrusion seal conforming to an exterior of the second mating protrusion.

Through setting up second seal assembly into the two-part structure of second recess sealing member and second protruding sealing member, and second recess sealing member and second protruding sealing member cooperate with second grafting recess and second grafting arch respectively, can reduce the position emergence deviation of second seal assembly in the installation, improve the location effect of second seal assembly, improve the leakproofness of first joint and telescopic junction.

In some embodiments of the application, the first connector is recessed toward a portion of the end of the second connector and forms a portion of the reservoir.

Through the partial tip sunken setting that is connected towards the second with first joint to form partial stock solution chamber, thereby make the junction of first joint and second joint and the tip dislocation set of first joint, when the junction of first joint and second joint takes place to leak, reduce the bubble and remove along the terminal surface of first joint, thereby be convenient for observe that the junction of first joint and second joint takes place to leak the phenomenon.

In some embodiments of the present application, the outer circumferential surface of the sleeve is provided with a liquid injection hole, and the liquid injection hole is communicated with the liquid storage cavity.

Liquid is injected into the liquid storage cavity through the liquid injection hole, and dry liquid in the liquid storage cavity covers the joint of the first joint and the second joint, so that when the joint of the first joint and the second joint is leaked, the liquid in the liquid storage cavity can generate bubbles under the action of leaked gas, and the joint of the first joint and the second joint is conveniently confirmed to be leaked.

In some embodiments of the application, the connector further comprises a connecting assembly by which the first connector and the second connector are connected.

The first joint and the second joint are connected through the connecting component, so that the interiors of the first joint and the second joint are communicated, and a diversion channel for conveying gas is formed together.

In some embodiments of the present application, the connection assembly includes a connection seat and a connection member, the connection seat is sleeved on the outer circumferential surface of the first joint and connected with the first joint, and the connection member passes through the connection seat and is connected with the second joint.

Through the relative position when adjusting connecting piece and second joint connection, can drive connecting seat and first joint and remove to adjust the relative setting between first joint and the second joint, and then adjust the extrusion strength between first joint and the second joint.

In some embodiments of the application, the connecting assembly further comprises an elastic member interposed between the end of the first joint facing the second joint and the connecting seat.

Through setting up the elastic component between the tip that first joint was connected towards the second and the connecting seat, the connecting seat passes through the tip that the first joint of elastic component extrusion was connected towards the second, can reduce the extrusion strength that leads to because of the tip that the connecting seat directly extrudeed first joint is too big, and cause first joint and second joint junction to take place the phenomenon emergence of damage.

The second aspect of the present application also provides a gas delivery line having a gas delivery line connection assembly of any one of the above, further comprising at least one gas delivery tube, at least one of the first connector and the second connector being connected to the gas delivery tube.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic view of a gas delivery line connection assembly according to an embodiment of the present application;

FIG. 2 is a schematic view of a gas delivery line connection assembly according to another embodiment of the present application;

FIG. 3 is a schematic A-A cross-sectional view of a gas delivery line connection assembly according to one embodiment of the present application;

FIG. 4 is an enlarged schematic view of a portion B of a gas delivery line connection assembly according to an embodiment of the present application;

FIG. 5 is a schematic view of a portion of an end structure of a first joint according to an embodiment of the present application;

FIG. 6 is a schematic view of a portion of an end structure of a second joint according to an embodiment of the present application;

FIG. 7 is an enlarged schematic view of a portion C of a gas delivery line connection assembly according to an embodiment of the present application;

FIG. 8 is a schematic view of a portion of an end structure of a first joint according to an embodiment of the present application;

fig. 9 is a schematic view of a part of an end structure of a sleeve according to an embodiment of the present application.

Reference numerals in the specific embodiments are as follows:

1. a gas delivery line connection assembly;

10. a first joint; 11. a first flow directing chamber; 12. a first insertion groove; 13. the second inserting groove;

20. A second joint; 21. the second diversion cavity; 22. a first insertion projection; 23. an annular boss; 231. a first boss portion; 232. a second boss portion; 233. a third boss portion;

30. A sleeve; 31. a liquid storage cavity; 32. a second insertion projection; 33. a liquid injection hole;

40. A first seal assembly; 41. a first groove seal; 42. a first raised seal; 43. sealing surfaces;

50. A second seal assembly; 51. a second groove seal; 52. a second raised seal;

60. A connection assembly; 61. a connecting seat; 62. a connecting piece; 63. an elastic member; 64. and (3) a nut.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following embodiments are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

It should be noted that unless otherwise indicated, technical or scientific terms used in the embodiments of the present application should be given the ordinary meanings as understood by those skilled in the art to which the embodiments of the present application belong.

In the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present application and 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 therefore should not be construed as limiting the embodiments of the present application.

Furthermore, the technical terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

In describing embodiments of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those skilled in the art according to specific circumstances.

In the description of embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In order to solve the problem that the gas leakage phenomenon can not be found out at the joint of pipelines in time, the application provides the gas conveying pipeline connecting assembly and the gas conveying pipeline.

Referring to fig. 1 to 4, in some embodiments of the present application, a gas delivery pipe connection assembly 1 includes a first joint 10, a second joint 20, and a sleeve 30, the second joint 20 is connected to the first joint 10, the inside of the first joint 10 is communicated with the inside of the second joint 20 and forms a flow guide channel together, the sleeve 30 is annularly disposed outside the junction of the first joint 10 and the second joint 20, a liquid storage chamber 31 is formed between the first joint 10, the second joint 20, and the sleeve 30, and the liquid storage chamber 31 is configured to store liquid; wherein, the junction of the first joint 10 and the second joint 20 is formed with a sealing surface 43, one end of the sealing surface 43 intersects with the diversion channel, and the other end of the sealing surface 43 intersects with the liquid storage cavity 31.

Specifically, the first joint 10 and the second joint 20 have an axial direction, respectively, the first joint 10 is internally formed with a first flow guiding chamber 11 in the axial direction, and the second joint 20 is internally formed with a second flow guiding chamber 21 in the axial direction. One end of the first connector 10 in the axial direction is connected to one end of the second connector 20 in the axial direction, and the first guide chamber 11 and the second guide chamber 21 are communicated with each other, and together form a guide passage. The other end of the first connector 10 may be used to connect to a gas delivery tube or other device that may be used to store gas, and the other end of the second connector 20 may likewise be used to connect to a gas delivery tube or other device that may be used to store gas. When the first joint 10 and the second joint 20 are connected to the gas delivery pipes, respectively, they can be used for connection between the gas delivery pipes, thereby extending the delivery length of the gas delivery pipe. When one of the first connector 10 and the second connector 20 is connected to a gas delivery pipe, the other is connected to a device for storing gas, the breathable gas delivery pipe is for inputting or outputting gas into or from the device for storing gas.

The sleeve 30 has a cylindrical structure, is sleeved outside the joint of the first joint 10 and the second joint 20, and encloses a liquid storage cavity 31 together with the first joint 10 and the second joint 20. The liquid storage chamber 31 can store liquid, and the liquid can comprise colorless transparent liquid which is stable in nature and is not easy to cause chemical reaction, such as silicone oil, kerosene or water.

The end of the first joint 10 and the end of the second joint 20 may be directly abutted or connected by an intermediate connection having a certain axial length. When the end of the first joint 10 and the end of the second joint 20 are directly abutted, a sealing surface 43 is formed between the end of the first joint 10 and the end of the second joint 20, and the sleeve 30 is fitted over the outside of the junction between the end of the first joint 10 and the end of the second joint 20. When the end of the first joint 10 and the end of the second joint 20 are connected by an intermediate connector having a certain axial length, the end of the first joint 10 and the end of the second joint 20 form sealing surfaces 43 with the intermediate connector, respectively, and the sleeve 30 is sleeved outside the intermediate connector while covering the outside of the junction of the first joint 10 and the intermediate connector and the outside of the junction of the second joint 20 and the intermediate connector.

According to the gas conveying pipeline connecting assembly 1, one end of the sealing surface 43 is intersected with the diversion channel, the other end of the sealing surface 43 is intersected with the liquid storage cavity 31, when leakage occurs to the sealing surface 43, the liquid storage cavity 31 and the diversion channel can be communicated, gas in the diversion channel can enter the liquid storage cavity 31 through the sealing surface 43, liquid can be stored in the liquid storage cavity 31, the liquid level can be changed under the action of the gas to generate bubbles, so that whether the sealing surface is leaked or not can be detected through the change of the liquid level or the bubbles, and the gas leakage phenomenon at the connecting position of the pipeline can be timely found.

As shown in connection with fig. 1-4, in some embodiments of the application, the sleeve 30 includes at least one visual window configured to observe a change in the level of the liquid in the liquid reservoir 31.

In particular, the visual window may be a transparent layer that provides at least part of the structure of the sleeve 30. Or an opening is provided on the outer peripheral surface of the sleeve 30, and a transparent structure such as glass or other visual material is provided at the opening, the opening is shielded by the transparent structure, and the change of the liquid level in the liquid storage chamber 31 is observed by the transparent structure.

In other embodiments of the present application, a detecting member, such as a sensor, may be provided in the liquid storage chamber 31 for detecting a change in the liquid level occurring when the gas leaks.

Whether the liquid surface in the liquid storage cavity 31 generates bubbles is observed through the visual window, and whether the leakage phenomenon of the sealing surface 43 occurs can be rapidly and effectively confirmed according to the occurrence of bubbles at the liquid surface.

As shown in connection with fig. 1-4, in some embodiments of the application, the sleeve 30 is a see-through sleeve as a whole.

Specifically, the sleeve 30 may be integrally formed of a high strength perspective material such as Teflon.

The sleeve 30 is integrally formed as a perspective sleeve, so that the liquid level change in the liquid storage chamber 31 can be easily observed from a plurality of directions outside the sleeve 30, thereby confirming whether or not the leakage phenomenon occurs at the sealing surface 43.

As shown in connection with fig. 3 and 4, in some embodiments of the present application, a first seal assembly 40 is further included, the first seal assembly 40 being disposed between the first joint 10 and the second joint 20, the first seal assembly 40 being configured to seal the junction of the first joint 10 and the second joint 20.

Specifically, the first sealing assembly 40 is sandwiched between the end of the first joint 10 and the end of the second joint 20, and forms a sealing surface 43 for sealing the junction of the first joint 10 and the second joint 20. Wherein, since the liquid is stored in the liquid storage chamber 31, the first sealing assembly 40 may be a sealing member having a waterproof function, such as rubber.

Sealing the junction of the first joint 10 and the second joint 20 by the first sealing assembly 40 can reduce leakage at the junction of the first joint 10 and the second joint 20.

As shown in connection with fig. 3 to 6, in some embodiments of the present application, an end of the first connector 10 facing the second connector 20 is provided with one of the first mating recess 12 and the first mating protrusion 22, an end of the second connector 20 facing the first connector 10 is provided with the other one of the first mating recess 12 and the first mating protrusion 22, the first mating recess 12 is mated with the first mating protrusion 22 in a mating manner, and at least a portion of the first seal assembly 40 is sandwiched between the first mating recess 12 and the first mating protrusion 22.

Specifically, the end of the first connector 10 facing the second connector 20 is provided with a first plugging recess 12, the end of the second connector 20 facing the first connector 10 is provided with a first plugging protrusion 22, and the first plugging recess 12 is plugged with the first plugging protrusion 22 and is commonly used for clamping the first sealing component 40.

The first plugging groove 12 is matched with the first plugging protrusion 22, so that the connection between the first connector 10 and the second connector 20 is facilitated, and at the same time, at least part of the first sealing component 40 is clamped between the first plugging groove 12 and the first plugging protrusion 22, so that the leakage phenomenon at the connection part of the first connector 10 and the second connector 20 can be reduced.

As shown in connection with fig. 3-6, in some embodiments of the present application, the first seal assembly 40 includes a first groove seal 41 and a first protrusion seal 42, at least a portion of the first groove seal 41 conforming to the interior of the first mating groove 12 and at least a portion of the first protrusion seal 42 conforming to the exterior of the first mating protrusion 22.

Specifically, the first groove seal 41 may be adhered to the inner portion of the first plugging groove 12 by an adhesive or a clamping manner, and the first protrusion seal 42 may be adhered to the outer portion of the first plugging protrusion 22 by an adhesive or a clamping manner. Before the first plugging recess 12 and the first plugging protrusion 22 are assembled, the first recess seal 41 may be disposed inside the first plugging recess 12, and the first protrusion seal 42 may be disposed outside the first plugging protrusion 22, so as to complete positioning of the first seal assembly 40. Wherein a sealing surface 43 is formed between the first groove seal 41 and the first protrusion seal 42.

In some embodiments of the present application, the first groove seal 41 is fitted to the end surfaces of both sides of the first mating groove 12 in addition to the inside of the first mating groove 12, thereby improving the sealing property between the end surfaces of the first connector 10 and the second connector 20.

In some embodiments of the present application, the first protrusion seal 42 is fitted to the end surfaces of both sides of the first socket protrusion 22 in addition to the outer portion of the first socket protrusion 22, thereby improving the sealing property between the end surfaces of the first and second connectors 10 and 20.

Through setting up first seal assembly 40 into the two-part structure of first recess seal 41 and first protruding seal 42, and first recess seal 41 and first protruding seal 42 cooperate with first grafting recess 12 and first grafting arch 22 respectively, can reduce the position emergence deviation of first seal assembly 40 in the installation, improve the location effect of first seal assembly 40, improve the leakproofness of the junction of first joint 10 and second joint 20.

As shown in connection with fig. 3, 7-9, in some embodiments of the present application, a second seal assembly 50 is further provided between at least one of the first joint 10 and the second joint 20 and the sleeve 30, the second seal assembly 50 being configured to seal the connection of the at least one of the first joint 10 and the second joint 20 and the sleeve 30.

Specifically, the second seal assembly 50 is interposed between at least one of the first joint 10 and the second joint 20 and the sleeve 30, thereby forming a sealing surface, and is used to seal the junction of the at least one of the first joint 10 and the second joint 20 and the sleeve 30. Wherein, since the liquid is stored in the liquid storage chamber 31, the second sealing assembly 50 may be a sealing member having a waterproof function, such as rubber.

By sealing the junction of at least one of the first joint 10 and the second joint 20 with the sleeve 30 by the second sealing assembly 50, it is possible to reduce the occurrence of leakage at the junction of at least one of the first joint 10 and the second joint 20 with the sleeve 30.

As shown in fig. 3 and 7 to 9, in some embodiments of the present application, an annular boss 23 is provided on an outer circumferential surface of the second joint 20, the second joint 20 is disposed at a distance from the annular boss 23 toward an end of the first joint 10, a sleeve 30 is interposed between the annular boss 23 and the first joint 10, and a second seal assembly 50 is disposed between the sleeve 30 and the first joint 10.

Specifically, the outer peripheral surface of the second joint 20 is convexly provided with an annular boss 23, and the annular boss 23 and the end of the second joint 20 facing the first joint 10 are disposed at intervals, so that a space for installing the sleeve 30 is formed between the annular boss 23 and the end of the first joint 10 facing the second joint 20, and both ends of the sleeve 30 are respectively abutted against the annular boss 23 and the first joint 10. In order to reduce leakage of the liquid in the liquid storage chamber 31, a second sealing assembly 50 is disposed between the sleeve 30 and the first joint 10.

In some embodiments of the present application, the annular boss 23 includes a first boss portion 231 and a second boss portion 232 connected in sequence, and the radial dimension of the first boss portion 231 is smaller than that of the second boss portion 232, the sleeve 30 is sleeved outside the first boss portion 231, and one end of the sleeve 30 away from the first joint 10 abuts against the end face of the second boss portion 232. Wherein. In order to reduce leakage of the liquid in the liquid storage chamber 31, a sealing member may be disposed between the sleeve 30 and the second boss portion 232.

Through setting up annular boss 23, be convenient for with sleeve 30 clamp locate between annular boss 23 and the first joint 10 to through setting up second seal assembly 50 between sleeve 30 and first joint 10, reduce sleeve 30 and the junction emergence of first joint 10 and reveal the phenomenon.

As shown in connection with fig. 3 and 7 to 9, in some embodiments of the present application, the end of the first connector 10 facing the sleeve 30 is provided with one of the second plugging recess 13 and the second plugging protrusion 32, the end of the sleeve 30 facing the first connector 10 is provided with the other of the second plugging recess 13 and the second plugging protrusion 32, the second plugging recess 13 is in plugging engagement with the second plugging protrusion 32, and at least part of the second sealing assembly 50 is sandwiched between the second plugging recess 13 and the second plugging protrusion 32.

Specifically, the end of the first connector 10 facing the sleeve 30 is provided with a second plugging groove 13, the end of the sleeve 30 facing the first connector 10 is provided with a second plugging protrusion 32, and the second plugging groove 13 is plugged with the second plugging protrusion 32 and is commonly used for clamping the second sealing assembly 50.

Through the cooperation of second grafting recess 13 and second grafting protruding 32, be convenient for first joint 10 and the connection of sleeve 30, simultaneously, with at least partly second seal assembly 50 clamp locate between second grafting recess 13 and the second grafting protruding 32, can reduce the junction emergence leakage phenomenon of first joint 10 and sleeve 30.

As shown in connection with fig. 3, 7-9, in some embodiments of the present application, the second seal assembly 50 includes a second groove seal 51 and a second protrusion seal 52, at least a portion of the second groove seal 51 conforming to the interior of the second mating groove 13 and at least a portion of the second protrusion seal 52 conforming to the exterior of the second mating protrusion 32.

Specifically, the second groove seal member 51 may be adhered to the inside of the second plugging groove 13 by means of bonding or clamping, and the second protrusion seal member 52 may be adhered to the outside of the second plugging protrusion 32 by means of bonding or clamping. Before the second plugging recess 13 and the second plugging projection 32 are assembled, the second recess seal member 51 may be disposed inside the second plugging recess 13, and the second projection seal member 52 may be disposed outside the second plugging projection 32, so as to complete positioning of the second seal assembly 50.

In some embodiments of the present application, the second groove seal 51 is fitted on the end surfaces of both sides of the second mating groove 13 in addition to the inside of the second mating groove 13, thereby improving the sealing property between the first joint 10 and the sleeve 30.

In some embodiments of the present application, the second bump seal 52 is fitted to the end surfaces on both sides of the second socket bump 32 in addition to the outer portion of the second socket bump 32, thereby improving the sealing property between the first joint 10 and the sleeve 30.

Through setting up second seal assembly 50 as the two-part structure of second recess seal 51 and second protruding seal 52, and second recess seal 51 and second protruding seal 52 cooperate with second grafting recess 13 and second grafting protruding 32 respectively, can reduce the position emergence deviation of second seal assembly 50 in the installation, improve the location effect of second seal assembly 50, improve the leakproofness of the junction of first joint 10 and sleeve 30.

As shown in connection with fig. 1-3, in some embodiments of the present application, the first connector 10 is recessed toward a portion of the end of the second connector 20 and forms a portion of the reservoir 31.

Specifically, a portion between the inner edge and the outer edge of the end portion of the first connector 10 is concavely disposed, and forms a liquid storage chamber 31 together with the sleeve 30 and the outer surface of the second connector 20.

By recessing the first connector 10 toward the partial end of the second connector 20 and forming a partial liquid storage cavity 31, the joint of the first connector 10 and the second connector 20 is arranged in a staggered manner with the end of the first connector 10, and when leakage occurs at the joint of the first connector 10 and the second connector 20, bubbles are reduced to move along the end face of the first connector 10, so that the leakage phenomenon at the joint of the first connector 10 and the second connector 20 can be observed conveniently.

As shown in fig. 1 to 3, in some embodiments of the present application, the outer circumferential surface of the sleeve 30 is provided with a liquid injection hole 33, and the liquid injection hole 33 communicates with the liquid storage chamber 31.

Specifically, the liquid injection hole 33 is a through hole penetrating the outer circumferential surface of the sleeve 30, and communicates with the liquid storage chamber 31. The plug can be installed at the liquid injection hole 33, and the liquid injection hole 33 is sealed through the plug, so that leakage of liquid in the liquid storage cavity 31 through the liquid injection hole 33 is prevented. The plug may be a rubber plug and may be clamped in the liquid injection hole 33, so as to improve the sealing effect on the liquid injection hole 33.

As shown in fig. 1 to 3, in some embodiments of the present application, in order to facilitate the installation of the plug, the outer circumferential surface of the sleeve 30 is further provided with a mounting table protruding therefrom, and the liquid injection hole 33 is provided through the mounting table, so that the axial dimension of the liquid injection hole 33 is increased by the mounting table, so that the plug is conveniently inserted into the liquid injection hole 33 and fixed.

The liquid is injected into the liquid storage cavity 31 through the liquid injection hole 33, and the dry liquid in the liquid storage cavity 31 covers the joint of the first joint 10 and the second joint 20, so that when the joint of the first joint 10 and the second joint 20 is leaked, the liquid in the liquid storage cavity 31 can generate bubbles under the action of leakage gas, and the joint of the first joint 10 and the second joint 20 is conveniently confirmed to be leaked.

As shown in connection with fig. 1 to 3, in some embodiments of the present application, a connection assembly 60 is further included, and the first joint 10 and the second joint 20 are connected by the connection assembly 60.

Specifically, the connection assembly 60 is provided at the outside of the first and second joints 10 and 20, and serves to fixedly connect the first and second joints 10 and 20, thereby allowing the interiors of the first and second joints 10 and 20 to communicate and together form a flow guide passage for conveying gas.

As shown in fig. 1 to 3, in some embodiments of the present application, the connection assembly 60 includes a connection seat 61 and a connection member 62, the connection seat 61 is sleeved on the outer circumferential surface of the first connector 10 and connected with the first connector 10, and the connection member 62 passes through the connection seat 61 and is connected with the second connector 20.

Specifically, the connection seat 61 may be an annular structure sleeved outside the first connector 10, and is connected to the first connector 10 or abuts against an end portion of the first connector 10 facing the second connector 20. The connecting member 62 may be a bolt, the threaded end of the bolt passes through the connecting seat 61 and is connected to the second connector 20, a protruding structure connected to the threaded end of the bolt may be provided on the second connector 20, and the connecting nut 64 is locked after the threaded end of the bolt passes through the protruding structure of the second connector 20. Or an internal thread is provided in the inside of the projection of the second joint 20 and is screwed with a bolt for adjusting the axial relative position between the connecting member 62 and the second joint 20.

As shown in fig. 1 to 3, in some embodiments of the present application, the outer circumferential surface of the second joint 20 is convexly provided with an annular boss 23, the annular boss 23 includes a first boss portion 231, a second boss portion 232, and a third boss portion 233 which are sequentially connected, and the radial dimensions of the first boss portion 231, the second boss portion 232, and the third boss portion 233 are sequentially increased. The sleeve 30 is sleeved outside the first boss 231, one end of the sleeve 30 away from the first joint 10 abuts against the end face of the second boss 232, and the threaded end of the connecting piece 62 passes through the third boss 233 and is then screwed and locked with the nut 64. The number of the connecting members 62 may be plural, and may be disposed at intervals along the circumferential direction of the first connector 10, and may be used to connect the first connector 10 and the second connector 20 together.

The connecting seat 61 and the first connector 10 can be driven to move by adjusting the relative position of the connecting piece 62 and the second connector 20 when being connected, so that the relative arrangement between the first connector 10 and the second connector 20 is adjusted, and the extrusion strength between the first connector 10 and the second connector 20 is further adjusted.

As shown in connection with fig. 1 to 3, in some embodiments of the present application, the connection assembly 60 further includes an elastic member 63, and the elastic member 63 is sandwiched between the end of the first connector 10 facing the second connector 20 and the connection seat 61.

Specifically, the elastic member 63 may be a spring, and the radial dimension of the end of the first connector 10 facing the second connector 20 is greater than the radial dimension of the position of the connection seat 61. The connecting seat 61 and the end portion of the first joint 10 facing the second joint 20 are arranged at intervals, and the elastic member 63 is sleeved outside the first joint 10 and is clamped between the end portion of the first joint 10 facing the second joint 20 and the connecting seat 61. By adjusting the axial position of the connecting seat 61 relative to the first joint 10, the elastic member 63 can be elastically deformed and act on the end of the first joint 10 facing the second joint 20, so as to drive the first joint 10 to move relative to the second joint 20.

By providing the elastic member 63 between the end of the first joint 10 facing the second joint 20 and the connection seat 61, the connection seat 61 presses the end of the first joint 10 facing the second joint 20 through the elastic member 63, so that the occurrence of damage to the connection point between the first joint 10 and the second joint 20 due to excessive pressing strength caused by the connection seat 61 directly pressing the end of the first joint 10 can be reduced.

As shown in connection with fig. 1 to 3, the second aspect of the present application also proposes a gas delivery line having the gas delivery line connection assembly 1 of any one of the above, further comprising at least one gas delivery pipe to which at least one of the first joint 10 and the second joint 20 is connected.

Specifically, one end in the axial direction of the first joint 10 is connected to one end in the axial direction of the second joint 20, and the first diversion chamber 11 is communicated with the second diversion chamber 21. The other end of the first connector 10 may be used to connect to a gas delivery tube or other device that may be used to store gas, and the other end of the second connector 20 may likewise be used to connect to a gas delivery tube or other device that may be used to store gas. When the first joint 10 and the second joint 20 are connected to the gas delivery pipes, respectively, they can be used for connection between the gas delivery pipes, thereby extending the delivery length of the gas delivery pipe. When one of the first connector 10 and the second connector 20 is connected to a gas delivery pipe, the other is connected to a device for storing gas, the breathable gas delivery pipe is for inputting or outputting gas into or from the device for storing gas.

Referring to fig. 1 to 4, in some embodiments of the present application, a gas delivery pipe connection assembly 1 includes a first joint 10, a second joint 20, and a sleeve 30, the second joint 20 is connected to the first joint 10, the inside of the first joint 10 is communicated with the inside of the second joint 20 and forms a flow guide channel together, the sleeve 30 is annularly disposed outside the junction of the first joint 10 and the second joint 20, a liquid storage chamber 31 is formed between the first joint 10, the second joint 20, and the sleeve 30, and the liquid storage chamber 31 is configured to store liquid; wherein, the junction of the first joint 10 and the second joint 20 is formed with a sealing surface 43, one end of the sealing surface 43 intersects with the diversion channel, and the other end of the sealing surface 43 intersects with the liquid storage cavity 31. Wherein the sleeve 30 is a perspective sleeve as a whole. The first connector 10 is recessed toward a portion of the end of the second connector 20 and forms a portion of the reservoir 31.

As shown in connection with fig. 3-6, in some embodiments of the present application, the gas delivery line connection assembly 1 further includes a first seal assembly 40, the first seal assembly 40 being disposed between the first joint 10 and the second joint 20, the first seal assembly 40 being configured as a junction of the first joint 10 and the second joint 20. The end of the first connector 10 facing the second connector 20 is provided with a first plugging groove 12, the end of the second connector 20 facing the first connector 10 is provided with a first plugging protrusion 22, the first plugging groove 12 is plugged with the first plugging protrusion 22, and at least part of the first sealing component 40 is clamped between the first plugging groove 12 and the first plugging protrusion 22. The first seal assembly 40 includes a first groove seal 41 and a first protrusion seal 42, at least a portion of the first groove seal 41 conforming to the interior of the first mating groove 12 and at least a portion of the first protrusion seal 42 conforming to the exterior of the first mating protrusion 22.

As shown in fig. 3 and 7 to 9, in some embodiments of the present application, an annular boss 23 is provided on an outer circumferential surface of the second joint 20, the second joint 20 is disposed at a distance from the annular boss 23 toward an end of the first joint 10, a sleeve 30 is interposed between the annular boss 23 and the first joint 10, a second seal assembly 50 is disposed between the sleeve 30 and the first joint 10, and the second seal assembly 50 is configured to seal a junction between the first joint 10 and the sleeve 30. The end of the first connector 10 facing the sleeve 30 is provided with a second plugging groove 13, the end of the sleeve 30 facing the first connector 10 is provided with a second plugging protrusion 32, the second plugging groove 13 is plugged with the second plugging protrusion 32, and at least part of the second sealing component 50 is clamped between the second plugging groove 13 and the second plugging protrusion 32. The second seal assembly 50 includes a second groove seal 51 and a second protrusion seal 52, at least a portion of the second groove seal 51 fitting within the second mating groove 13 and at least a portion of the second protrusion seal 52 fitting outside the second mating protrusion 32.

As shown in connection with fig. 1 to 3, in some embodiments of the present application, a connection assembly 60 is further included, and the first joint 10 and the second joint 20 are connected by the connection assembly 60. The connection assembly 60 includes a connection seat 61, a connection member 62, and an elastic member 63. The connecting seat 61 is sleeved on the outer peripheral surface of the first joint 10, the elastic piece 63 is clamped between the end of the first joint 10 facing the second joint 20 and the connecting seat 61, and the connecting piece 62 passes through the connecting seat 61 and is connected with the second joint 20.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limited thereto; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. It is intended that the application not be limited to the particular embodiments disclosed herein, but that the application will include all embodiments falling within the scope of the appended claims.

Claims

1. A gas delivery line connection assembly, comprising:

a first joint;

The second connector is connected with the first connector, and the interior of the first connector is communicated with the interior of the second connector and forms a diversion channel together;

2. The gas delivery circuit connection assembly of claim 1, wherein the sleeve comprises at least one visual window configured to observe a change in a level of liquid in the liquid storage chamber.

3. The gas delivery circuit connection assembly of claim 2 wherein the sleeve is a perspective sleeve as a whole.

4. A gas delivery line connection assembly as claimed in any one of claims 1 to 3, further comprising a first seal assembly disposed between the first and second fittings, the first seal assembly configured to seal the junction of the first and second fittings.

5. The gas delivery conduit connection assembly of claim 4, wherein an end of the first fitting toward the second fitting is provided with one of a first mating recess and a first mating protrusion, an end of the second fitting toward the first fitting is provided with the other of the first mating recess and the first mating protrusion, and at least a portion of the first seal assembly is sandwiched between the first mating recess and the first mating protrusion.

6. The gas delivery conduit connection assembly of claim 5, wherein the first seal assembly comprises a first groove seal and a first protrusion seal, at least a portion of the first groove seal fitting within the first mating groove and at least a portion of the first protrusion seal fitting outside of the first mating protrusion.

7. A gas delivery line connection assembly as claimed in any one of claims 1 to 3, wherein a second seal assembly is also provided between at least one of the first and second fittings and the sleeve, the second seal assembly being configured to seal the connection of at least one of the first and second fittings to the sleeve.

8. The gas delivery conduit connection assembly of claim 7, wherein the outer peripheral surface of the second fitting is provided with an annular boss, the second fitting is disposed toward the end of the first fitting in spaced relation to the annular boss, the sleeve is sandwiched between the annular boss and the first fitting, and the second seal assembly is disposed between the sleeve and the first fitting.

9. The gas delivery conduit connection assembly of claim 8, wherein an end of the first fitting toward the sleeve is provided with one of a second mating recess and a second mating protrusion, and an end of the sleeve toward the first fitting is provided with the other of the second mating recess and the second mating protrusion, and wherein at least a portion of the second seal assembly is sandwiched between the second mating recess and the second mating protrusion.

10. The gas delivery conduit connection assembly of claim 9, wherein the second seal assembly comprises a second groove seal and a second protrusion seal, at least a portion of the second groove seal fitting within the second mating groove and at least a portion of the second protrusion seal fitting outside of the second mating protrusion.

11. The gas delivery circuit connection assembly of claim 8, wherein the first fitting is recessed toward a portion of an end of the second fitting and forms a portion of the reservoir.

12. A gas delivery line connection assembly as claimed in any one of claims 1 to 3, wherein the outer peripheral surface of the sleeve is provided with a liquid injection hole, the liquid injection hole being in communication with the liquid storage chamber.

13. A gas delivery line connection assembly as claimed in any one of claims 1 to 3, further comprising a connection assembly by which the first and second fittings are connected.

14. The gas delivery line connection assembly of claim 13, wherein the connection assembly comprises a connection base and a connection member, the connection base being disposed around the outer circumference of the first connector and connected to the first connector, the connection member passing through the connection base and connected to the second connector.

15. The gas delivery circuit connection assembly of claim 14, further comprising an elastic member sandwiched between an end of the first fitting facing the second fitting and the connection seat.

16. A gas delivery line having a gas delivery line connection assembly according to any one of claims 1 to 15, further comprising at least one gas delivery tube, at least one of the first and second fittings being connected to the gas delivery tube.