CN219493364U - Sealing joint assembly - Google Patents

Abstract

The application provides a sealing joint assembly, comprising a female joint and a male joint which can be connected with each other, wherein the female joint and the male joint are provided with a plug-in shell, and the female joint is provided with a sealing unit; the interior of the plug-in shell of the female connector is provided with a first cavity, the plug-in shell of the male connector is plugged in the first cavity, the plug-in shell of the male connector is provided with a second cavity, and when the male connector is connected with the female connector, the second cavity is opposite to the first cavity to form a liquid passage; the sealing unit comprises a plurality of sealing rings, the inner wall of the first cavity is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity, the sealing rings are arranged in the sealing grooves, the circumferential inner side wall of the sealing rings are in sealing connection with the circumferential outer side wall of the plug-in shell of the male connector, and accordingly the plug-in shell of the female connector and the plug-in shell of the male connector are in a sealing state in plugging. Through this kind of structure setting, effectively improve the leakproofness of male joint and female joint in the plug to solve the problem that the working solution revealed.

Description

Sealing joint assembly

Technical Field

The application relates to the technical field of battery pack cooling, in particular to a sealing joint assembly.

Background

With the continuous development of new energy automobiles, people have higher requirements on the endurance mileage of the new energy automobiles, so that the energy supply system and the cooling system of the batteries of the new energy automobiles are particularly important.

The cooling system comprises a plurality of pipelines and joint assemblies, the pipelines are connected with the joint assemblies to form a circulation path of working fluid, the joint assemblies comprise male joints and female joints, the male joints and the female joints are inserted in pairs, so that the connection of different pipelines is completed, and the working fluid can circulate through connecting pipelines formed by butt joint of the female joints and the male joints.

However, during the insertion and extraction, such a butt joint of the male joint or the female joint may generate a gap to cause leakage of the working fluid.

Disclosure of Invention

The application provides a sealing joint assembly, can effectively improve the leakproofness of male joint and female joint at the in-process of plug to solve the problem that the working solution revealed.

In order to achieve the above purpose, the present application adopts the following technical scheme:

the application provides a sealing joint assembly, which comprises a female joint and a male joint which can be connected with each other, wherein the female joint and the male joint are provided with a plug-in shell, and the female joint is provided with a sealing unit; the inside of the plug-in shell of the female connector is provided with a first cavity, two ends of the first cavity are open, the plug-in shell of the male connector is plugged in the first cavity, the plug-in shell of the male connector is provided with a second cavity, and when the male connector is connected with the female connector, the second cavity is opposite to the first cavity so as to form a liquid passage;

the sealing unit comprises a plurality of sealing rings, the inner wall of the first cavity is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity, the sealing rings are correspondingly arranged in the sealing grooves, and the circumferential inner side wall of the sealing rings are in sealing connection with the circumferential outer side wall of the plug-in shell of the male connector, so that the plug-in shell of the female connector and the plug-in shell of the male connector are in a sealing state in the plug-in process.

As a possible implementation manner, the sealing groove is an annular groove, the sealing groove comprises a first sealing groove and a second sealing groove, the sealing ring comprises a first sealing ring and a second sealing ring, and the first sealing ring is abutted in the first sealing groove;

when the plug-in shell of the male connector is positioned in the first cavity, the first sealing ring is in sealing abutting connection with the plug-in shell of the male connector;

the second sealing ring is abutted in the second sealing groove.

As one possible implementation manner, the female joint further comprises an inner core unit, the inner core unit comprises a first inner core and a first elastic piece, the first inner core and the first elastic piece are both positioned in the first cavity, the first elastic piece is connected between the first inner core and the plug housing of the female joint, the first inner core is elastically abutted with the plug housing of the female joint under the elastic action of the first elastic piece, and the side wall of the first inner core is in sealing abutment with the second sealing ring;

when the plug-in shell of the male connector is plugged in the first cavity, the first inner core moves along the axial direction of the plug-in shell of the female connector under the pushing of the plug-in shell of the male connector, so that the first cavity is in a communicating state.

As a possible implementation manner, at least one of the female connector and the male connector further comprises a connecting shell and a clamping piece, wherein the connecting shell is connected with the plug-in shell and extends in a direction away from the plug-in shell, and the extending end of the connecting shell is used for being connected with an external pipeline;

the clamping piece is sleeved on the outer side of the joint of the connecting shell and the plugging shell and is clamped with the connecting shell and the plugging shell.

As a possible implementation manner, a first clamping groove is formed in the outer peripheral wall of the connecting shell, and a second clamping groove is formed in the outer peripheral wall of the plugging shell;

the clamping piece is provided with two clamping steps which are respectively clamped with the first clamping groove and the second clamping groove so as to connect the plug-in shell and the connection shell.

As one possible embodiment, the female joint further comprises a central column comprising a blocking body, a central column body and an annular portion, the blocking body and the annular portion being located at opposite ends of the central column body, respectively;

the circumferential outer side wall of the plugging body is connected with the circumferential inner side wall of the first inner core in a sealing way so as to seal the first cavity;

the central column body is provided with at least one first groove along the circumferential direction of the central column body, and the first groove is recessed along the radial direction of the central column body; the annular part is provided with a slotted hole opposite to the first groove so that the working fluid passes through the slotted hole;

the circumferential outer surface of the annular portion abuts against the inner wall of the first cavity.

As one possible implementation manner, the female connector further comprises a lock catch, the lock catch is an annular piece, at least one of the circumferential inner side wall or the circumferential outer side wall of the annular piece is provided with a limiting part, the plug housing is provided with a limiting groove, and the limiting groove penetrates through the side wall of the plug housing; the limiting part is arranged in the limiting groove in a penetrating way.

As one possible implementation manner, the limiting part comprises a first limiting protrusion and a second limiting protrusion, the first limiting protrusion is positioned on the circumferential inner side wall and extends away from the lock catch along the radial direction of the plug housing, and the second limiting protrusion is positioned on the circumferential outer side wall and extends away from the plug housing along the radial direction of the plug housing;

the limiting groove comprises a first limiting groove and a second limiting groove, the first limiting protrusion penetrates through the first limiting groove, and the second limiting protrusion penetrates through the second limiting groove.

As one possible embodiment, the core unit further includes a second core and a second elastic member, the second core being disposed in the second cavity, the second elastic member connecting the second core and the second cavity such that the second core closes the second cavity under the action of elastic force; when the plug-in shell of the male connector is plugged in the first cavity, the second inner core moves along the axial direction of the plug-in shell of the male connector under the pushing of the central column of the female connector, so that the second cavity is in a communicating state.

As one possible embodiment, the second core includes a core body and a communication portion, a first end of the core body extending toward the female joint, and a second end of the core body extending toward the second cavity; the communication portion is connected in the second end of inner core body, and the communication portion has the through-hole, and the communication portion is provided with at least one second recess along self circumference, and the radial recess of second recess along the inner core body to make through-hole and second recess intercommunication.

The application provides a sealing joint assembly, which comprises a female joint and a male joint which can be connected with each other, wherein the female joint and the male joint are provided with a plug-in shell, and the female joint is provided with a sealing unit; the inside of the plug-in shell of the female connector is provided with a first cavity, two ends of the first cavity are open, the plug-in shell of the male connector is plugged in the first cavity, the plug-in shell of the male connector is provided with a second cavity, and when the male connector is connected with the female connector, the second cavity is opposite to the first cavity so as to form a liquid passage; the sealing unit comprises a plurality of sealing rings, the inner wall of the cavity is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity, the sealing rings are correspondingly arranged in the sealing grooves, and the circumferential inner side wall of the sealing rings are in sealing connection with the circumferential outer side wall of the plug-in shell of the male connector, so that the plug-in shell of the female connector and the plug-in shell of the male connector are in a sealing state in the plug-in process. Through the structure, the tightness of the male connector and the female connector in the plugging process can be effectively improved, so that the problem of leakage of working fluid is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the external appearance of a female joint in a seal joint assembly according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a female fitting in a seal joint assembly provided in an embodiment of the present application;

FIG. 3 is a schematic view of the external appearance of a male joint in a seal joint assembly according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a male fitting in a seal joint assembly provided in an embodiment of the present application;

FIG. 5 is a schematic view of the external appearance of a sealing joint assembly according to an embodiment of the present disclosure;

FIG. 6 is a cross-sectional view of a sealing joint assembly provided in an embodiment of the present application;

fig. 7 is a schematic structural diagram of a clamping member in a sealing joint assembly according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural view of a center post in a seal joint assembly provided in an embodiment of the present application;

FIG. 9 is a schematic view of a connection structure of a latch and a plug housing in a sealing joint assembly according to an embodiment of the present disclosure;

fig. 10 is a schematic structural view of a second core in a sealing joint assembly according to an embodiment of the present application.

Reference numerals illustrate:

100-sealing joint assembly; 110-female; 120-male linker;

1101-plug housing; 1101 a-a first plug housing; 1101 b-a second plug housing; 1102-a first cavity; 1102 a-a first socket housing cavity; 1102 b-a second socket housing cavity; 1103-second seal groove; 1104-a first seal ring; 1105-a second seal ring; 1106-locking; 1107—a clip; 1108-connecting a housing; 1109-a third seal ring; 1110-a fourth seal ring; 1111-a first core; 1112-a center column; 1113-a fifth seal ring; 1114—a blocking body; 1115-a third seal groove; 1116-a central column body; 1117-first groove; 1118-a ring; 1119-slots; 1120—a limit groove; 1120 a-a second limit slot; 1120 b-a first limit slot; 1121-a limiting part; 1121 a-a second limit bump; 1121 b-a first limit bump; 1122-a second snap-on step; 1123-a first clamping step; 1124-second card slot; 1125-a first card slot; 1126-a first seal groove; 1127-a third cavity;

1201-boss; 1202-a second core; 1203-sixth seal ring; 1204-seventh seal ring; 1205-communicating part; 1206-vias; 1207-a second groove; 1208-a fourth seal groove; 1209—an inner core body; 1210-a second cavity.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. The following embodiments and features of the embodiments may be combined with each other without conflict.

In the prior art, with the continuous development of new energy automobiles, people have higher requirements on the endurance mileage of the new energy automobiles, so that the energy supply system and the cooling system of the batteries of the new energy automobiles are particularly important. The cooling system comprises a plurality of pipelines and joint assemblies, the pipelines are connected with the joint assemblies to form a circulation path of working fluid, the joint assemblies comprise male joints and female joints, the male joints and the female joints are inserted in pairs, so that the connection of different pipelines is completed, and the working fluid can circulate through connecting pipelines formed by butt joint of the female joints and the male joints. However, during the insertion and extraction, such a butt joint of the male joint or the female joint may generate a gap to cause leakage of the working fluid.

In order to overcome the defects in the prior art, the application provides a sealing joint assembly, which comprises a female joint and a male joint which can be connected with each other, wherein the female joint and the male joint are provided with a plug-in shell, and the female joint is provided with a sealing unit; the inside of the plug-in shell of the female connector is provided with a first cavity, two ends of the first cavity are open, the plug-in shell of the male connector is plugged in the first cavity, the plug-in shell of the male connector is provided with a second cavity, and when the male connector is connected with the female connector, the second cavity is opposite to the first cavity so as to form a liquid passage; the sealing unit comprises a plurality of sealing rings, the inner wall of the first cavity is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity, the sealing rings are correspondingly arranged in the sealing grooves, and the circumferential inner side wall of the sealing rings are in sealing connection with the circumferential outer side wall of the plug-in shell of the male connector, so that the plug-in shell of the female connector and the plug-in shell of the male connector are in a sealing state in the plug-in process. Through the structure, the tightness of the male connector and the female connector in the plugging process can be effectively improved, so that the problem of leakage of working fluid is solved.

The present utility model will be described in detail with reference to the accompanying drawings so that those skilled in the art can more clearly understand the present utility model.

The application provides a sealing joint assembly 100, comprising a female joint 110 and a male joint 120 which can be connected with each other, wherein the female joint 110 and the male joint 120 are provided with a plug housing 1101, and the female joint 110 is provided with a sealing unit; the interior of the plug housing 1101 of the female connector 110 is provided with a first cavity 1102, two ends of the first cavity 1102 are open, the plug housing 1101 of the male connector 120 is plugged into the first cavity 1102, the plug housing 1101 of the male connector 120 is provided with a second cavity 1210, and when the male connector 120 is connected with the female connector 110, the second cavity 1210 is opposite to the first cavity 1102 so as to form a liquid passage; the sealing unit comprises a plurality of sealing rings, the inner wall of the first cavity 1102 is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity 1102, the sealing rings are correspondingly arranged in the sealing grooves, and the circumferential inner side wall of the sealing rings is in sealing connection with the circumferential outer side wall of the plug housing 1101 of the male connector 120, so that the plug housing 1101 of the female connector 110 and the plug housing 1101 of the male connector 120 are in a sealing state in the plug process.

As a possible implementation manner, the sealing groove is an annular groove, the sealing groove comprises a first sealing groove 1126 and a second sealing groove 1103, the sealing ring comprises a first sealing ring 1104 and a second sealing ring 1105, and the first sealing ring 1104 is abutted in the first sealing groove 1126; when the plug housing 1101 of the male connector 120 is located in the first cavity 1102, the first seal ring 1104 seals against the plug housing 1101 of the male connector 120; the second seal ring 1105 abuts in the second seal groove 1103.

FIG. 1 is a schematic view of the external appearance of a female joint in a seal joint assembly according to an embodiment of the present application; FIG. 2 is a cross-sectional view of a female fitting in a seal joint assembly provided in an embodiment of the present application; FIG. 3 is a schematic view of the external appearance of a male joint in a seal joint assembly according to an embodiment of the present application; FIG. 4 is a cross-sectional view of a male fitting in a seal joint assembly provided in an embodiment of the present application; FIG. 5 is a schematic view of the external appearance of a sealing joint assembly according to an embodiment of the present disclosure; fig. 6 is a cross-sectional view of a sealing joint assembly provided in an embodiment of the present application.

The above will be specifically described with reference to fig. 1 to 6.

As shown in fig. 5 to 6, the present application provides a sealing joint assembly 100 including a female joint 110 and a male joint 120, the female joint 110 and the male joint 120 being connected to each other.

The female connector 110 in this embodiment includes a plug housing 1101 and a sealing unit, specifically, as shown in fig. 1 and 2, the plug housing 1101 of the female connector 110 includes a first plug housing 1101a and a second plug housing 1101b, two ends of the first plug housing 1101a and the second plug housing 1101b are open, and a cavity is formed inside, that is, the first plug housing 1101a has a first plug housing cavity 1102a, the second plug housing 1101b has a second plug housing cavity, the second plug housing 1101b is located in the first plug housing cavity 1102a, the second plug housing 1101b and the first plug housing 1101a are coaxially disposed, at this time, the first plug housing cavity 1102a and the second plug housing cavity 1102b together form a first cavity 1102 of the female connector 110, and a plurality of sealing grooves are disposed in the first cavity 1102, for example: first seal groove 1126, second seal groove 1103. The first seal groove 1126 and the second seal groove 1103 are sequentially spaced apart along the axial direction of the first cavity 1102, and the first seal groove 1126 and the second seal groove 1103 are provided at one end where the female joint 110 and the male joint 120 are connected to each other.

The female joint 110 further comprises a sealing unit comprising a plurality of sealing rings, for example: a first seal ring 1104 and a second seal ring 1105, the first seal ring 1104 being in contact with the first seal groove 1126, and the second seal ring 1105 being in contact with the second seal groove 1103.

The male connector 120 in the present application also has a socket housing 1101, and the socket housing 1101 of the male connector 120 is also open at both ends and has a second cavity 1210. Referring to fig. 6, when the male connector 120 and the female connector 110 are connected, the plugging housing 1101 of the male connector 120 is plugged into the first cavity 1102 of the female connector 110, at this time, the second cavity 1210 of the male connector 120 is coaxially opposite to the first cavity 1102 of the female connector 110, and the first cavity 1102 and the second cavity 1210 are communicated for the circulation of the working fluid. Meanwhile, when the plug housing 1101 of the male connector 120 moves relative to the first cavity 1102 of the female connector 110 in the process of inserting the male connector 120 into the female connector 110, the circumferential outer side wall of the plug housing 1101 of the male connector 120 is sequentially abutted against and sealed with the first sealing ring 1104 and the second sealing ring 1105 in the first cavity 1102, so that the sealing can be continuously maintained in the process of inserting the male connector 120 and the female connector 110, and the working fluid leakage in the inserting process is avoided.

It will be appreciated that when the male connector 120 and the female connector 110 are pulled apart, i.e., the male connector 120 moves away from the first cavity 1102 along the axis of the seal connector assembly 100, at this time, the socket housing 1101 of the male connector 120 is sequentially disengaged from the second seal ring 1105 and the first seal ring 1104, and when the socket housing 1101 is completely disengaged from the second seal ring 1105 and is in sealing abutment with the first seal ring 1104, the second cavity 1210 of the male connector 120 and the first cavity 1102 of the female connector 110 are completely closed due to other structures within the male connector 120 and the female connector 110, respectively.

When the socket housing 1101 of the male connector 120 continues to move along the axis of the sealing connector assembly 100 away from the first cavity 1102 and completely separate from the first seal ring 1104, both the first cavity 1102 and the second cavity 1210 are in a sealed state, thereby realizing a seal during the process of pulling out the male connector 120 and the female connector 110, and preventing the working fluid from leaking.

It should be noted that, other structures in the male connector 120 and the female connector 110 mentioned in this embodiment will be described in other embodiments, and the sealing principle of the pulling-out process will be described in detail in other embodiments.

Possibly, the female connector 110 further includes a core unit, the core unit includes a first core 1111 and a first elastic member, the first core 1111 and the first elastic member are both located in the first cavity 1102, the first elastic member is connected between the first core 1111 and the socket housing 1101 of the female connector 110, the first core 1111 is elastically abutted with the socket housing 1101 of the female connector 110 under the elastic force of the first elastic member, and the side wall of the first core 1111 is in sealing abutment with the second sealing ring 1105; when the socket housing 1101 of the male connector 120 is inserted into the first cavity 1102, the first core 1111 is moved in the axial direction of the socket housing 1101 of the female connector 110 by the pushing of the socket housing 1101 of the male connector 120, so that the first cavity 1102 is in a communicating state.

Referring to fig. 2 and fig. 6 in particular, the core unit in the female connector 110 includes a first core 1111 and a first elastic member (not shown in the drawing), where the first core 1111 and the first elastic member are both located in a first cavity 1102 of the female connector 110, the first core 1111 is located on a side of the first cavity 1102 facing away from the plugging direction of the male connector 120, the first core 1111 is an annular member, and the first core 1111 is hollow and can circulate a working fluid. The first elastic member, for example, a spring, is connected between the first core 1111 and the socket housing 1101 of the female connector 110 along the axial direction of the first cavity 1102, and moves the first core 1111 along the axial direction of the socket housing 1101.

Specifically, when the male connector 120 and the female connector 110 are not connected or the plug housing of the male connector 120 is only in sealing abutment with the first sealing ring 1104 in the plugging process, the first inner core 1111 is in sealing abutment with the second sealing ring 1105 under the elastic force of the first elastic member, and both the first cavity 1102 and the second cavity 1210 are in sealing states. When the socket housing 1101 of the male connector 120 is inserted into the first cavity 1102 of the female connector 110, the first core 1111 moves in the axial direction of the socket housing 1101 of the female connector 110 under the pushing of the socket housing 1101 of the male connector 120, and the first cavity 1102 is brought into a communicating state. When the plug housing 1101 of the male connector 120 is pulled out of the first cavity 1102, the first elastic member enables the first core 1111 to return to the initial position under the elastic force, that is, the circumferential outer side wall of the first core 1111 is in sealing abutment with the second sealing ring 1105.

Optionally, at least one of the female connector 110 and the male connector 120 further comprises a connection housing 1108 and a clamping piece 1107, wherein the connection housing 1108 is connected to the plug housing 1101 and extends in a direction away from the plug housing 1101, and an extension end of the connection housing 1108 is used for connecting with an external pipeline; the clamping piece 1107 is sleeved outside the connecting position of the connecting shell 1108 and the plug-in shell 1101 and is clamped with the connecting shell 1108 and the plug-in shell 1101.

Possibly, the outer peripheral wall of the connection housing 1108 is provided with a first clamping groove 1125, and the outer peripheral wall of the plug housing 1101 is provided with a second clamping groove 1124; the clamping piece 1107 has two clamping steps, and the two clamping steps are respectively clamped with the first clamping groove 1125 and the second clamping groove 1124 so as to connect the plug housing 1101 and the connection housing 1108.

Fig. 7 is a schematic structural diagram of a clamping member in a sealing joint assembly according to an embodiment of the present application.

As shown in connection with fig. 1, 2, 5, 6 and 7, the female connector 110 further includes a connection housing 1108 and a clip 1107. The connecting housing 1108 is open at both ends and has a third cavity 1127 therein, the connecting housing 1108 and the plug housing 1101 are disposed coaxially opposite to each other, and the connecting housing 1108 and the plug housing 1101 are connected, and the third cavity 1127 and the first cavity 1102 at this time are communicated. The connection housing 1108 extends away from the plug housing 1101 in the axial direction of the plug housing 1101, the extension end of the connection housing 1108 is configured to connect with an external line, and a fourth sealing ring 1110 is provided at the connection to improve the tightness between the connection housing 1108 and the external line connection.

The clamping piece 1107 is an annular piece and sleeved outside the joint of the connecting shell 1108 and the plug-in shell 1101, and is clamped with the connecting shell 1108 and the plug-in shell 1101. Specifically, the connection housing 1108 is provided with a first clamping groove 1125 at a side connected with the plug housing 1101, the first clamping groove 1125 extends along the outer peripheral wall of the connection housing 1108, the plug housing 1101 is provided with a second clamping groove 1124 at a side connected with the connection housing 1108, the second clamping groove 1124 extends along the outer peripheral wall of the plug housing 1101, the inner circumferential wall of the clamping member 1107 is provided with a first clamping step 1123 and a second clamping step 1122, the first clamping step 1123 is clamped with the first clamping groove 1125, the second clamping step 1122 is clamped with the second clamping groove 1124, so that the plug housing 1101 of the female connector 110 is connected with the connection housing 1108, and a third sealing ring 1109 is arranged between the connection housing 1108 and the plug housing 1101 for improving the sealing performance of the system during connection.

It should be noted that, as shown in fig. 3-6, the male connector 120 also includes a connection housing 1108 and a clamping member 1107, and the structures of the connection housing 1108 and the clamping member 1107 of the male connector 120 are completely identical to those described above, so that the structure and the function of the connection housing 1108 and the clamping member 1107 of the male connector 120 are not repeated in this section, and only the differences between the two are specifically described for the male connector 120. The seventh sealing ring 1204 is disposed between the connection housing 1108 and the plug housing 1101 in the male connector 120 provided in the present embodiment, so as to ensure sealing performance between the connection housing 1108 and the plug housing 1101.

As an alternative embodiment, the female joint 110 further includes a center post 1112, the center post 1112 including a blocking body 1114, a center post body 1116 and a ring 1118, the blocking body 1114 and the ring 1118 being located at opposite ends of the center post body 1116, respectively; the circumferential outer side wall of the blocking body 1114 is sealingly connected to the circumferential inner side wall of the first core 1111 to close the first cavity 1102; the central column body 1116 is provided with at least one first groove 1117 along the circumferential direction thereof, and the first groove 1117 is recessed along the radial direction of the central column body 1116; the annular portion 1118 is provided with a slot 1119 opposite to the first recess 1117, so that the working fluid passes through the slot 1119; the circumferential outer surface of the annular portion 1118 abuts the inner wall of the first cavity 1102.

Fig. 8 is a schematic structural view of a center post in a sealing joint assembly according to an embodiment of the present application.

Referring to fig. 2, 5, 6 and 8, the central column 1112 in the female joint 110 is located in the first cavity 1102 of the plug housing 1101, the central column 1112 includes a sealing body 1114, a central column body 1116 and an annular portion 1118, the sealing body 1114 and the annular portion 1118 are located at opposite ends of the central column body 1116, the sealing body 1114 is located at one side of the first cavity 1102 facing away from the connection housing 1108, a third sealing groove 1115 is provided at a circumferential outer side wall of the sealing body 1114, a fifth sealing ring 1113 abuts against the third sealing groove 1115, the sealing body 1114 is connected to a circumferential inner side wall of the first core 1111 by a fifth sealing ring 1113 in a sealing manner, thereby sealing the first cavity 1102, the central column body 1116 extends along an axial direction of the first cavity 1102, the central column body 1116 is provided with three first grooves 1117 along a circumferential direction thereof, the first grooves 1117 are recessed along a radial direction of the central column body 1116, and the annular portion 1118 is provided with three slots 1119, 1119 and the first grooves 1117 are communicated with each other so that working fluid passes through the slots 1119, and the circumferential outer side surface of the annular portion abuts against the inner wall of the first cavity 1102.

When the male connector 120 and the female connector 110 are not connected or the plug housing of the male connector 120 is only in sealing abutment with the first sealing ring 1104 in the plugging process, the first inner core 1111 is in sealing abutment with the second sealing ring 1105 under the elastic force of the first elastic member, and the sealing body 1114 of the central column 1112 is in sealing connection with the circumferential inner side wall of the first inner core 1111 through the fifth sealing ring 1113, at this time, the first cavity 1102 of the female connector 110 is in a sealing state.

When the socket housing 1101 of the male connector 120 is inserted into the first cavity 1102 of the female connector 110, the first core 1111 is moved along the axial direction of the socket housing 1101 of the female connector 110 by the pushing of the socket housing 1101 of the male connector 120, the first cavity 1102 is in a communicating state, and the working fluid flows through the center of the first core 1111, the first cavity 1102, the first groove of the center post body 1116 and the groove hole 1119 of the ring 1118.

When the plug housing 1101 of the male connector 120 is pulled out of the first cavity 1102, the first elastic member enables the first inner core 1111 to recover to the initial position under the elastic force, that is, the circumferential outer side wall of the first inner core 1111 is in sealing abutment with the second sealing ring 1105, and the circumferential inner side wall of the first inner core 1111 is in sealing abutment with the sealing body 1114 through the fifth sealing ring 1113, at this time, the sealing of the first cavity 1102 of the female connector 110 can be ensured, thereby preventing the working fluid from leaking during the process of plugging and unplugging the female connector 110 and the male connector 120.

Optionally, the female connector 110 further includes a latch 1106, where the latch 1106 is an annular member, and at least one of a circumferential inner side wall or a circumferential outer side wall of the annular member is provided with a limiting portion 1121, the socket housing 1101 has a limiting slot 1120, and the limiting slot 1120 penetrates through a side wall of the socket housing 1101; the limiting portion 1121 is disposed through the limiting slot 1120.

Possibly, the limiting portion 1121 includes a first limiting protrusion 1121b and a second limiting protrusion 1121a, the first limiting protrusion 1121b is located on a circumferential inner side wall and extends away from the latch 1106 along a radial direction of the socket housing 1101, and the second limiting protrusion 1121a is located on a circumferential outer side wall and extends away from the socket housing 1101 along a radial direction of the socket housing 1101; the limiting groove 1120 includes a first limiting groove 1120b and a second limiting groove 1120a, the first limiting protrusion 1121b is disposed through the first limiting groove 1120b, and the second limiting protrusion 1121a is disposed through the second limiting groove 1120a.

Fig. 9 is a schematic diagram of a connection structure of a latch and a plug housing in a sealing joint assembly according to an embodiment of the present application.

The above will be described with reference to fig. 1, 2, 5, 6, and 9.

As shown in the above figures, the female connector 110 in the present application further includes a latch 1106, where the latch 1106 is a ring-shaped member, and the latch 1106 and the socket housing 1101 are coaxially disposed so as to facilitate the insertion and extraction of the male connector 120 into the first cavity 1102. The circumferential inner side wall and the circumferential outer side wall of the latch 1106 are provided with a limiting portion 1121, the limiting portion 1121 comprises a first limiting protrusion 1121b and a second limiting protrusion 1121a, the first limiting protrusion 1121b is located on the circumferential inner side wall of the latch 1106, the first limiting protrusion 1121b extends away from the latch 1106 in the radial direction of the plug housing 1101, the second limiting protrusion 1121a is located on the circumferential outer side wall of the latch 1106, and the second limiting protrusion 1121a extends away from the plug housing 1101 in the radial direction of the plug housing 1101. Correspondingly, the plugging housing 1101 has a limiting slot 1120, the limiting slot 1120 includes a first limiting slot 1120b and a second limiting slot 1120a, the first limiting slot 1120b and the second limiting slot 1120a penetrate through the sidewall of the plugging housing 1101, the first limiting protrusion 1121b penetrates through the first limiting slot 1120b, and the second limiting protrusion 1121a penetrates through the second limiting slot 1120a.

As shown in fig. 4, the circumferential side wall of the plug housing 1101 of the male connector 120 is provided with a boss 1201, the boss 1201 extending away from the plug housing 1101 in the radial direction of the plug housing 1101. When the male connector 120 and the female connector 110 are inserted into the first cavity 1102, the first limiting protrusion 1121b of the latch 1106 is inserted into the first limiting groove 1120b, the second limiting protrusion 1121a is inserted into the second limiting groove 1120a, and the first limiting protrusion 1121b abuts against the boss 1201 on the insertion housing 1101 of the male connector 120 in the horizontal direction, so as to ensure the structural stability of the insertion between the male connector 120 and the female connector 110.

When the male connector 120 and the female connector 110 need to be disassembled and pulled out, only pressure is applied to the lock catch 1106 along the radial direction of the plugging housing 1101, and meanwhile, a pulling force deviating from the plugging direction is applied to the male connector 120 in the horizontal direction, at this time, the first limiting protrusion 1121b of the lock catch 1106 is separated from the first limiting groove 1120b, the second limiting protrusion 1121a is separated from the second limiting groove 1120a, and the first limiting protrusion 1121b is separated from abutment with the boss 1201 on the plugging housing 1101 of the male connector 120 in the horizontal direction, so that the male connector 120 can be separated from the first cavity 1102.

As one possible embodiment, the core unit further includes a second core 1202 and a second elastic member, the second core 1202 being disposed in the second cavity 1210, the second elastic member connecting the second core 1202 and the second cavity 1210 such that the second core 1202 closes the second cavity 1210 under elastic force; when the socket housing 1101 of the male connector 120 is plugged into the first cavity 1102, the second core 1202 is moved in the axial direction of the socket housing 1101 of the male connector 120 by the pushing of the center post 1112 of the female connector 110 to bring the second cavity 1210 into communication.

Optionally, the second core 1202 includes a core body 1209 and a communication 1205, a first end of the core body 1209 extending toward the female joint 110, and a second end of the core body 1209 extending toward the second cavity 1210; the communication portion 1205 is connected to the second end of the core body 1209, the communication portion 1205 has a through hole 1206, and the communication portion 1205 is provided with at least one second groove 1207 along its own circumference, the second groove 1207 being recessed along the radial direction of the core body 1209, so that the through hole 1206 and the second groove 1207 communicate.

Fig. 10 is a schematic structural view of a second core in a sealing joint assembly according to an embodiment of the present application.

Referring to fig. 3 to 6 and 10, the core unit in the present embodiment further includes a second core 1202 and a second elastic member, both of which are located in a second cavity 1210 in the socket housing 1101 of the male connector 120 (not shown in the drawings), the second elastic member extends along the axial direction of the socket housing 1101, and the second elastic member is connected between the socket housing 1101 and the second core 1202 such that the second core 1202 moves along the axial direction of the second cavity 1210 under the elastic force of the second elastic member. The second core 1202 includes a core body 1209 and a communication 1205, a first end of the core body 1209 extending toward the female joint 110, and a second end of the core body 1209 extending toward the second cavity 1210; the communication portion 1205 is connected to the second end of the core body 1209, the communication portion 1205 has a through hole 1206, and the communication portion 1205 is provided with three second grooves 1207 along its own circumference, and the three second grooves 1207 are recessed along the radial direction of the core body 1209, so that the through hole 1206 and the three second grooves 1207 communicate.

When the male connector 120 and the female connector 110 are not connected or the plug housing of the male connector 120 is only in sealing contact with the first sealing ring 1104 in the plugging process, the second inner core 1202 is located at the opening of the second cavity 1210 under the elastic force of the second elastic member, and the inner core body of the second inner core 1202 is provided with the fourth sealing groove 1208, the sixth sealing ring 1203 is in abutting contact with the fourth sealing groove 1208, at this time, the inner side walls of the plug housing 1101 of the second inner core 1202 and the male connector 120 are in sealing connection through the sixth sealing ring 1203, thereby ensuring the sealing of the second cavity 1210 of the male connector 120.

When the socket housing 1101 of the male connector 120 is plugged into the first cavity 1102 of the female connector 110, the second core 1202 is moved in the axial direction of the socket housing 1101 of the male connector 120 by the pushing of the center post 1112 of the female connector 110, and the second cavity 1210 of the male connector 120 is communicated. In this state, the first cavity 1102 and the second cavity 1210 are relatively communicated with each other in combination with the foregoing.

When the plug housing 1101 of the male connector 120 is pulled out of the first cavity 1102, the second core 1202 is restored to the initial position under the elastic force of the second elastic member, that is, the second core 1202 is sealingly connected to the circumferential inner side wall of the plug housing 1101 of the male connector 120 by the sixth sealing ring 1203, so that the second cavity 1210 of the male connector 120 is sealed. Thus, the female joint 110 and the male joint 120 can be ensured to have working fluid leakage during the plugging process.

The sealing joint assembly in the embodiment comprises a female joint and a male joint which can be connected with each other, wherein the female joint and the male joint are provided with plug-in shells, and the female joint is provided with a sealing unit; the inside of the plug-in shell of the female connector is provided with a first cavity, two ends of the first cavity are open, the plug-in shell of the male connector is plugged in the first cavity, the plug-in shell of the male connector is provided with a second cavity, and when the male connector is connected with the female connector, the second cavity is opposite to the first cavity so as to form a liquid passage; the sealing unit comprises a plurality of sealing rings, the inner wall of the first cavity is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity, the sealing rings are correspondingly arranged in the sealing grooves, and the circumferential inner side wall of the sealing rings are in sealing connection with the circumferential outer side wall of the plug-in shell of the male connector, so that the plug-in shell of the female connector and the plug-in shell of the male connector are in a sealing state in the plug-in process. Through the structure, the tightness of the male connector and the female connector in the plugging process can be effectively improved, so that the problem of leakage of working fluid is solved.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model 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 thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. A sealing joint assembly comprising a female joint and a male joint connectable to each other, the female joint and the male joint each having a socket housing, and the female joint having a sealing unit; the plug-in shell of the female connector is internally provided with a first cavity, two ends of the first cavity are open, the plug-in shell of the male connector is plugged in the first cavity, the plug-in shell of the male connector is provided with a second cavity, and when the male connector is connected with the female connector, the second cavity is opposite to the first cavity so as to form a liquid passage;

the sealing unit comprises a plurality of sealing rings, the inner wall of the first cavity is provided with a plurality of sealing grooves, the plurality of sealing grooves are sequentially distributed at intervals along the axial direction of the first cavity, the sealing rings are correspondingly arranged in the sealing grooves, and the circumferential inner side wall of the sealing rings are in sealing connection with the circumferential outer side wall of the plug-in shell of the male connector, so that the plug-in shell of the female connector and the plug-in shell of the male connector are in a sealing state in the plug-in process.

2. The sealing joint assembly of claim 1, wherein the seal groove is an annular groove, the seal groove comprises a first seal groove and a second seal groove, the seal ring comprises a first seal ring and a second seal ring, the first seal ring is abutted within the first seal groove;

when the plug-in shell of the male connector is positioned in the first cavity, the first sealing ring is in sealing abutting connection with the plug-in shell of the male connector;

the second sealing ring is abutted in the second sealing groove.

3. The sealing joint assembly of claim 2, wherein the female joint further comprises a core unit comprising a first core and a first elastic member, the first core and the first elastic member being both located in the first cavity, the first elastic member being connected between the first core and the socket housing of the female joint, the first core being in elastic abutment with the socket housing of the female joint under the elastic force of the first elastic member, and the first core sidewall being in sealing abutment with the second seal ring;

when the plug-in shell of the male connector is plugged in the first cavity, the first inner core moves along the axial direction of the plug-in shell of the female connector under the pushing of the plug-in shell of the male connector, so that the first cavity is in a communicating state.

4. The sealing joint assembly of claim 3, wherein at least one of said female joint and said male joint further comprises a connection housing and a snap, said connection housing being connected to said plug housing and extending in a direction away from said plug housing, an extension end of said connection housing being adapted for connection with an external conduit;

the clamping piece is sleeved on the outer side of the joint of the connecting shell and the plugging shell and is clamped with the connecting shell and the plugging shell.

5. The sealing joint assembly according to claim 4, wherein a first clamping groove is formed in the outer peripheral wall of the connection housing, and a second clamping groove is formed in the outer peripheral wall of the plug housing;

the clamping piece is provided with two clamping steps, and the two clamping steps are respectively clamped with the first clamping groove and the second clamping groove so as to connect the plug-in shell and the connection shell.

6. The sealing joint assembly of claim 5, wherein the female joint further comprises a center post comprising a block body, a center post body, and an annular portion, the block body and the annular portion being located at opposite ends of the center post body, respectively;

the circumferential outer side wall of the plugging body is connected with the circumferential inner side wall of the first inner core in a sealing way so as to seal the first cavity;

the central column body is provided with at least one first groove along the circumferential direction of the central column body, and the first groove is recessed along the radial direction of the central column body; the annular part is provided with a slotted hole opposite to the first groove so that working fluid passes through the slotted hole;

the circumferential outer surface of the annular portion abuts against the first cavity inner wall.

7. The sealing joint assembly according to claim 6, wherein the female joint further comprises a lock catch, the lock catch is an annular member, at least one of a circumferential inner side wall or a circumferential outer side wall of the annular member is provided with a limit portion, the plug housing has a limit groove, and the limit groove penetrates through a side wall of the plug housing; the limiting part penetrates through the limiting groove.

8. The sealing joint assembly of claim 7, wherein the stop portion includes a first stop tab and a second stop tab, the first stop tab being located on the circumferential inner side wall and extending radially away from the latch of the plug housing, the second stop tab being located on the circumferential outer side wall and extending radially away from the plug housing;

the limiting groove comprises a first limiting groove and a second limiting groove, the first limiting protrusion penetrates through the first limiting groove, and the second limiting protrusion penetrates through the second limiting groove.

9. The sealing joint assembly according to any one of claims 3-8, wherein said core unit further comprises a second core and a second elastic member, said second core being disposed in said second cavity, said second elastic member connecting said second core and said second cavity such that said second core closes said second cavity under elastic force; when the plug-in shell of the male connector is plugged in the first cavity, the second inner core moves along the axial direction of the plug-in shell of the male connector under the pushing of the central column of the female connector, so that the second cavity is in a communicating state.

10. The sealing joint assembly of claim 9 wherein said second core includes a core body and a communication portion, a first end of said core body extending toward said female joint and a second end of said core body extending toward said second cavity; the communication part is connected to the second end of the inner core body, the communication part is provided with a through hole, and the communication part is provided with at least one second groove along the circumferential direction of the communication part, and the second groove is recessed along the radial direction of the inner core body so that the through hole is communicated with the second groove.