CN216143345U

CN216143345U - Female terminal, fluid connector and cooling circulation system

Info

Publication number: CN216143345U
Application number: CN202121909688.7U
Authority: CN
Inventors: 杨书亮
Original assignee: Shenzhen Yingweike Intelligent Connection Technology Co ltd
Current assignee: Shenzhen Yingweike Intelligent Connection Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-03-29
Anticipated expiration: 2031-08-13

Abstract

The application discloses a female end, a fluid connector and a cooling circulation system. The female end includes a fixed sleeve, a valve stem, a valve core assembly, a locking assembly and an elastic limit assembly. The valve stem is connected to the fixed sleeve and the valve stem The liquid outlet end of the valve is located in the fixed sleeve, the valve core assembly is movably arranged in the fixed sleeve and slidably sleeved on the liquid outlet end of the valve stem, and the locking assembly is arranged in the fixed sleeve to limit the male end, elastic The limiting component is arranged on the inner side of the fixing sleeve, and is used for limiting the locking component in the radial direction of the fixing sleeve. In this application, when the female end is inserted into the male end, the male end extends into the fixing sleeve, the valve stem extends into the male end, and the male end is locked by the locking assembly; when the female end and the male end are disconnected, the locking assembly is released. The locking of the male end makes the valve core assembly move along the axial direction of the fixed sleeve, and drives the male end to move away from the fixed sleeve.

Description

Female terminal, fluid connector and cooling circulation system

Technical Field

The application relates to the technical field of liquid cooling, in particular to a female end, a fluid connector for connecting a fluid source and a fluid radiator and a cooling circulation system comprising the fluid connector.

Background

At present, with the progress of society and the development of science and technology, the operational speed requirement of everything interconnection to various chips is higher and higher, and the heat dissipation demand that leads to the chip is higher and higher for traditional air-cooled heat dissipation can not satisfy the heat dissipation demand yet, and various novel fluid radiators will become the mainstream that is used for carrying out the heat dissipation to various chips. Fluid connectors are used to connect the interface between a fluid source and various fluid radiators.

The fluid connector generally comprises a male end and a female end, when the male end and the female end are disconnected, the fluid source and the fluid radiator are disconnected, at the moment, the male end and the female end are separately sealed, fluid leakage and injection are prevented, when the male end and the female end are plugged, respective sealing structures can be opened, the fluid source and the fluid radiator are connected, fluid flows circularly, heat is taken away, and the efficient heat dissipation effect is achieved.

However, before the female end of the conventional fluid connector is connected with the male end, the female end needs to be unlocked for limiting operation first to execute the next connection operation, and if the female end is forgotten to execute the unlocking for limiting operation or misoperation, the female end and the male end are connected with each other, so that the connection operation steps are complicated, and the connection failure rate is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems of the prior art, the present application mainly aims to provide a female terminal with simple operation and low connection error rate when the male terminal is connected or disconnected.

In order to achieve the above purpose, the following technical solutions are specifically adopted in the present application:

the application provides a female end for mating connection with a male end of a fluid connector,

the female end comprises a fixed sleeve, a valve rod, a valve core assembly, a locking assembly and an elastic limiting assembly, the valve rod is connected with the fixed sleeve, the liquid outlet end of the valve rod is located in the fixed sleeve, the valve core assembly is movably arranged in the fixed sleeve and is sleeved at the liquid outlet end of the valve rod in a sliding mode, the locking assembly is arranged on the fixed sleeve and is used for limiting the male end, and the elastic limiting assembly is arranged on the inner side of the fixed sleeve and is used for limiting the locking assembly in the radial direction of the fixed sleeve.

In a specific implementation mode, the locking subassembly includes first elastic component, locking piece and sliding sleeve, the locking piece activity set up in the lateral wall of fixed sleeve, first elastic component with the sliding sleeve is located respectively the outside of fixed sleeve, just first elastic component with the sliding sleeve is connected, through first elastic component drives the sliding sleeve motion, through the sliding sleeve is in fixed sleeve's footpath is right the locking piece carries out spacingly.

In a specific embodiment, a receiving portion is provided between the sliding sleeve and the outer surface of the fixing sleeve, and the first elastic member is received in the receiving portion.

In a specific embodiment, the locking piece is a steel ball, a limiting hole is formed in the side wall of the fixing sleeve, and the steel ball is movably arranged in the limiting hole.

In a specific implementation mode, the elastic limiting assembly comprises a second elastic part and a limiting ring, the second elastic part and the limiting ring are sequentially arranged on the inner side of the fixing sleeve along the inserting direction of the female end, the second elastic part is connected with the limiting ring, and the limiting ring is used for limiting the locking piece in the radial direction of the fixing sleeve.

In a specific implementation mode, the valve rod with the fixed sleeve is connected and is formed and hold the chamber, the play liquid end of valve rod is located hold the intracavity, the feed liquor end of valve rod is located outside holding the chamber, case subassembly activity set up in hold the intracavity and slip the cover and locate the play liquid end of valve rod.

In a specific implementation manner, the valve core assembly further includes a valve core and a third elastic member, the valve core is slidably sleeved at the liquid outlet end of the valve rod, the outer surface of the valve core is in close contact with the inner wall of the accommodating cavity, the third elastic member is sleeved at the liquid outlet end of the valve rod, one end of the third elastic member is connected with the inner wall of the valve seat of the valve rod, and the other end of the third elastic member is connected with the valve core.

Correspondingly, the application also discloses a fluid connector, which comprises the female end of any embodiment and the male end matched and connected with the female end, wherein the male end comprises a shell and a valve assembly, the shell is provided with a limiting part, and the valve assembly is movably arranged in the shell;

when the female end and the male end are inserted, the shell extends into the fixed sleeve and pushes the valve core assembly to move, the valve rod pushes the valve assembly to move and extends into the shell, the female end and the male end are communicated, and meanwhile, the elastic limiting assembly is pushed away through the limiting part, so that the locking assembly locks the male end; when the female end and the male end are disconnected, the locking assembly is enabled to unlock the male end, the shell is separated from the fixed sleeve under the pushing of the valve core assembly, and the locking assembly is limited through the elastic limiting assembly.

In a specific implementation mode, the male end further comprises a male head seat, the male head seat is connected with the shell to form an installation cavity, the valve assembly comprises a plugging piece and a fourth elastic piece, the plugging piece is movably arranged in the installation cavity and plugs the liquid inlet of the installation cavity, and the fourth elastic piece is arranged in the installation cavity and is located between the plugging piece and the inner wall of the installation cavity.

Accordingly, the present application provides a cooling circulation system comprising a fluid source, a fluid radiator and the fluid connector of the above embodiments, the fluid source being connected to the fluid radiator via the fluid connector.

When the female end and the male end are inserted, the male end extends into the fixed sleeve and pushes the valve core assembly to move, the valve rod extends into the male end, so that the female end and the male end are communicated, meanwhile, the male end pushes the elastic limiting assembly away, so that the locking assembly locks the male end, and the connection stability of the female end and the male end is ensured; when disconnection female end and public end, remove the locking to public end through the locking subassembly, make the case subassembly along fixed sleeve's axial displacement under the effect of self elasticity, drive public end through the case subassembly and remove so that public end breaks away from fixed sleeve, disconnection female end and public end to spacing subassembly is spacing to locking through elasticity. Compare in prior art, the female end of this application can be connected the operation with public end direct execution, and need not any preparation work (for example untie spacing operation to female end) for the female end of this application is connected easy operation with public end, and connects the fault rate low.

Drawings

Fig. 1 is a cross-sectional view of a female end provided in an embodiment of the present application.

Fig. 2 is a cross-sectional view of a male end mated with the female end of fig. 1.

Fig. 3 is a cross-sectional view of a fluid connector according to an embodiment of the present application in which the female end is coupled to the male end and the sliding sleeve does not pass over the locking member.

Fig. 4 is a cross-sectional view of a fluid connector according to an embodiment of the present application with a female end coupled to a male end and a sliding sleeve over a locking element.

Fig. 5 is a cross-sectional view of a fluid connector provided in an embodiment of the present application.

Fig. 6 is a schematic structural diagram of a cooling cycle system according to an embodiment of the present application.

The attached drawings are as follows:

1. a female end; 11. fixing the sleeve; 111. an accommodating chamber; 112. a limiting hole; 113. a first cylinder; 114. a second cylinder; 12. a valve stem; 121. a liquid inlet end; 122. a liquid outlet end; 123. a liquid flow line; 124. the inner wall of the valve seat; 13. a valve core assembly; 131. a valve core; 132. a third elastic member; 14. a locking assembly; 141. a locking member; 142. a sliding sleeve; 143. a first elastic member; 15. an elastic limit component; 151. a limiting ring; 152. a second elastic member; 2. a male end; 21. a housing; 211. A mounting cavity; 212. a liquid inlet; 213. a liquid outlet; 214. a limiting groove; 215. a limiting part; 22. A valve assembly; 221. a blocking member; 222. a fourth elastic member; 23. a male head seat; 3. a seal member; 101. a storage section; 100. a fluid connector; 200. a fluid source; 300. a fluid heat sink.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

The embodiment of the application discloses a female end, which is used for being matched and connected with a male end of a fluid connector, the fluid connector is applied to a cooling circulation system, the cooling circulation system comprises a fluid source and a fluid radiator, the fluid source is connected with the fluid radiator through the fluid connector, and the connection or disconnection of the fluid source and the fluid radiator can be controlled through the fluid connector.

Referring to fig. 1, fig. 1 is a cross-sectional view of a female end provided in an embodiment of the present application. The female end 1 comprises a fixed sleeve 11, a valve rod 12, a valve core assembly 13, a locking assembly 14 and an elastic limiting assembly 15. The valve rod 12 is connected to the fixing sleeve 11, an accommodating cavity 111 is formed between the valve rod 12 and the fixing sleeve 11, the valve rod 12 is provided with a liquid inlet end 121, a liquid outlet end 122 and a liquid circulation pipeline 123, the liquid outlet end 122 is located in the accommodating cavity 111, the liquid inlet end 121 is located outside the accommodating cavity 111, liquid can flow in from the liquid inlet end 121, flows to the liquid outlet end 122 through the liquid circulation pipeline 123 and flows out through the liquid outlet end 122. The valve core assembly 13 is movably disposed in the accommodating cavity 111 and slidably sleeved on the liquid outlet end 122 of the valve rod 12. The locking assembly 14 is disposed on the fixing sleeve 11 for limiting the male end. The elastic limiting component 15 is arranged on the inner side of the fixed sleeve 11 and used for limiting the locking component 14 in the radial direction of the fixed sleeve 11.

Further, the fixed sleeve 11 comprises a first cylinder 113 and a second cylinder 114, and the first cylinder 113 and the second cylinder 114 are detachably connected to facilitate installation of the elastic limiting assembly 15.

Referring to fig. 2, fig. 2 is a cross-sectional view of a male end mated with the female end of fig. 1. The male end 2 comprises a housing 21, a valve assembly 22 and a male seat 23, the housing 21 is connected with the male seat 23 to form a mounting cavity 211, the mounting cavity 211 is provided with a liquid inlet 212 and a liquid outlet 213, and liquid can flow in from the liquid inlet 212, flow to the liquid outlet 213 through the mounting cavity 211 and flow out through the liquid outlet 213. The valve assembly 22 is disposed in the mounting cavity 211.

When the female end 1 is inserted into the male end 2, the female end 1 is moved along the-X direction, so that the housing 21 extends into the accommodating cavity 111 and pushes the valve core assembly 13 to move along the + X direction, and meanwhile, the liquid outlet end 122 of the valve rod 12 pushes the valve assembly 22 to move along the-X direction and extend into the mounting cavity 211, so that the liquid circulation pipeline 123 is communicated with the mounting cavity 211, and liquid can flow in from the liquid inlet end 121 of the valve rod 12, sequentially flows to the liquid outlet 213 through the liquid circulation pipeline 123, the liquid outlet end 122, the liquid inlet 212 and the mounting cavity 211, and flows out through the liquid outlet 213. Meanwhile, in the process that the shell 21 pushes the valve element assembly 13 to move along the + X direction, the locking assembly 14 is matched with the shell 21 for limiting, so that the female end 1 and the male end 2 are locked, and the stable connection of the female end 1 and the male end 2 is realized. When the female end 1 and the male end 2 are disconnected, the locking assembly 14 is unlocked for the male end 2, the valve core assembly 13 moves along the-X direction under the action of the self elastic force, the shell 21 is driven to move along the-X direction, the shell 21 is separated from the accommodating cavity 111, and the female end 1 and the male end 2 are disconnected. Meanwhile, the elastic limiting component 15 limits the locking component 14 along the-X direction and in the radial direction of the fixed sleeve 11 under the action of the self elastic force.

With continued reference to fig. 1, the locking assembly 14 includes a locking member 141, a sliding sleeve 142 and a first elastic member 143, in this embodiment, the locking member 141 is a steel ball. The side wall of the fixing sleeve 11 is provided with a limiting hole 112, and the locking member 141 is movably disposed in the limiting hole 112. The first elastic element 143 and the sliding sleeve 142 are respectively sleeved outside the fixed sleeve 11, and a receiving portion 101 is disposed between the sliding sleeve 142 and the outer surface of the fixed sleeve 11, and the first elastic element 143 is sleeved on the outer surface of the fixed sleeve 11 and received in the receiving portion 101. The sliding sleeve 142 is connected to the first elastic member 143, and the sliding sleeve 142 can be driven to move along the + X direction or the-X direction by the telescopic movement of the first elastic member 143, so as to limit the locking member 141 in the radial direction of the fixing sleeve 11 or release the limitation on the locking member 141.

The valve core assembly 13 includes a valve core 131 and a third elastic member 132, the valve core 131 is disposed in the accommodating cavity 111 and slidably sleeved on the liquid outlet end 122 of the valve rod 12, and an outer surface of the valve core 131 is in close contact with an inner wall of the accommodating cavity 111. The third elastic member 132 is disposed in the accommodating cavity 111 and sleeved at the liquid outlet end 122 of the valve rod 12, one end of the third elastic member 132 is connected to the inner wall 124 of the valve seat of the valve rod 12, and the other end of the third elastic member 132 is connected to the valve core 131, so that when the valve core 131 moves in the + X direction under the action of an external force, the third elastic member 132 is compressed, and when the valve core 131 is not affected by the external force, the third elastic member 132 extends, and the valve core 131 is pushed to move in the-X direction through the elastic force of the third elastic member 132.

The elastic limiting assembly 15 comprises a limiting ring 151 and a second elastic part 152, the second elastic part 152 and the limiting ring 151 are sequentially arranged on the inner side of the fixing sleeve 11 along the inserting direction of the female end 1, the second elastic part 152 is connected with the limiting ring 151, the limiting ring 151 can be driven to move through the second elastic part 152, and the locking part 141 is limited in the radial direction of the fixing sleeve 11 through the limiting ring 151.

With continued reference to fig. 2, the valve assembly 22 includes a blocking member 221 and a fourth elastic member 222, when the female end 1 is disconnected from the male end 2, the blocking member 221 is disposed in the mounting cavity 211 and blocks the liquid inlet 212, the fourth elastic member 222 is disposed in the mounting cavity 211 and located between the blocking member 221 and the inner wall of the mounting cavity 211, one end of the fourth elastic member 222 is connected to the blocking member 221, and the other end of the fourth elastic member 222 is connected to the inner wall of the mounting cavity 211. When the plugging member 221 moves along the-X direction under the pushing of the external force, the plugging member 221 compresses the fourth elastic member 222, and when the plugging member 221 is not under the action of the external force, the fourth elastic member 222 extends, and the plugging member 221 is pushed to move along the + X direction by the elastic force of the fourth elastic member 222, so as to plug the liquid inlet 212.

Further, the outer surface of the housing 21 has a limiting groove 214 and a limiting portion 215, the limiting portion 215 is in limiting fit with the limiting ring 151, and when the housing 21 extends into the accommodating cavity 111, the limiting portion 215 is in limiting fit with the limiting ring 151 to push the limiting ring 151 to move along the + X direction, so as to compress the second elastic member 152 and release the limitation on the locking member 141. When the female terminal 1 and the male terminal 2 are disconnected, the female terminal 1 moves in the + X direction, the stopper 215 releases the restriction of the stopper ring 151, and the stopper ring 151 moves in the-X direction by the elastic force of the second elastic member 152, passes over the locking member 141, and restricts the locking member 141 in the radial direction of the fixing sleeve 11. The position and size of the limiting groove 214 correspond to the position and size of the locking member 141, and when the female terminal 1 is inserted into the male terminal 2, the locking member 141 falls into the limiting groove 214 to lock the male terminal 2.

In order to ensure the sealing performance of the female end 1 and the male end 2, the female end 1 and the male end 2 respectively comprise a plurality of sealing elements 3, the sealing elements 3 are respectively arranged at the joint of the valve core 131 and the valve rod 12, the contact of the valve core 131 and the fixing sleeve 11, the contact of the fixing sleeve 11 and the shell 21, the liquid inlet 212 and the joint of the shell 21 and the male head seat 23, and the sealing performance of the female end 1 and the male end 2 is kept in a good state no matter when the female end 1 and the male end 2 are connected or disconnected through the arrangement of the sealing elements 3.

Referring to fig. 3 and 4, fig. 3 is a sectional view of the fluid connector provided by the embodiment of the present application in which the female end is connected to the male end and the sliding sleeve does not pass over the locking member, and fig. 4 is a sectional view of the fluid connector provided by the embodiment of the present application in which the female end is connected to the male end and the sliding sleeve passes over the locking member. When the female end 1 is inserted into the male end 2, the housing 21 extends into the accommodating cavity 111 and pushes the valve element 131 to move along the + X direction, the valve element 131 compresses the third elastic element 132 in the process of moving along the + X direction, and meanwhile, the liquid outlet end 122 of the valve rod 12 pushes the blocking element 221 to move along the-X direction and extend into the mounting cavity 211, so that the liquid circulation pipeline 123 is communicated with the mounting cavity 211, and liquid can flow in from the liquid inlet end 121 of the valve rod 12, sequentially flows to the liquid outlet 213 through the liquid circulation pipeline 123, the liquid outlet end 122, the liquid inlet 212 and the mounting cavity 211, and flows out through the liquid outlet 213. Meanwhile, when the housing 21 pushes the valve element 131 to move a certain distance in the + X direction, the limiting portion 215 on the housing 21 also pushes the limiting ring 151 to move in the + X direction, the limiting ring 151 compresses the second elastic member 152 to release the radial limitation on the locking member 141 in the fixing sleeve 11, so that the locking member 141 contacts the outer surface of the housing 21, and as the housing 21 further extends into the accommodating cavity 111, the locking member 141 falls into the limiting groove 214, and the male end 2 is locked by the locking member 141. The sliding sleeve 142 moves along the-X direction under the elastic force of the first elastic member 143, passes over the locking member 141 and is pressed against the outer side of the locking member 141, and the locking member 141 is limited in the radial direction of the fixing sleeve 11 by the sliding sleeve 142, so that the locking member 141 is prevented from unlocking the male end 2, the female end 1 and the male end 2 are locked in a matched manner, and the stability of connection between the female end 1 and the male end 2 is ensured. When the female end 1 and the male end 2 are disconnected, the sliding sleeve 142 moves along the + X direction, the opening of the sliding sleeve 142 is far away from the locking member 141, the position of the sliding sleeve 142 on the locking member 141 in the radial direction of the fixed sleeve 11 is released, the valve core 131 moves along the-X direction under the elastic force of the third elastic member 132, the housing 21 is driven to move along the-X direction, the housing 21 is separated from the accommodating cavity 111, and the female end 1 is disconnected from the male end 2, and in the process that the shell 21 moves along the-X direction, the locking piece 141 moves towards the direction far away from the shell 21 under the action of the shell 21, is separated from the limiting groove 214, releases the position limitation of the male end 2, meanwhile, the position-limiting part 215 releases the position-limiting of the position-limiting ring 151, and the position-limiting ring 151 moves in the-X direction under the elastic force of the second elastic member 152, so that the position-limiting ring 151 is located at the inner side of the locking member 141, the locking member 141 is restricted by the stopper ring 151 in the radial direction of the fixing sleeve 11.

Based on the above embodiments, embodiments of the present application further disclose a fluid connector, and fig. 5 is a cross-sectional view of the fluid connector provided in the embodiments of the present application. The fluid connector 100 includes the female terminal 1 and the male terminal 2 described in the above embodiments, and the female terminal 1 can be plugged into or disconnected from the male terminal 2. When female end 1 and public end 2 were inserted, the liquid circulation pipeline in female end 1 and the liquid circulation pipeline intercommunication in the public end 2, when female end 1 and public end 2 disconnection, the liquid circulation pipeline disconnection in female end 1 and the liquid circulation pipeline disconnection in the public end 2, at this moment, female end 1 and public end 2 are sealed separately, prevent that the liquid in female end 1 and the public end 2 from leaking, spouting.

Based on the above embodiments, a cooling circulation system is further disclosed in the embodiments of the present application, referring to fig. 6, fig. 6 is a schematic structural diagram of the cooling circulation system provided in the embodiments of the present application, the fluid connector includes a fluid source 200, a fluid radiator 300, and the fluid connector 100 described in the embodiments above, the fluid source 200 is connected to the fluid radiator 300 through the fluid connector 100, and the fluid source 200 is controlled to be connected to or disconnected from the fluid radiator 300 through the fluid connector 100.

Specifically, the female end 1 is connected to the fluid source 200, the male end 2 is connected to the fluid radiator 300, when the female end 1 and the male end 2 are inserted and communicated, the fluid source 200 is communicated with the fluid radiator 300, and the fluid can circulate among the fluid source 200, the fluid connector 100 and the fluid radiator 300. When the female end 1 is disconnected from the male end 2, the fluid source 200 is disconnected from the fluid radiator 300, and the liquid cannot circulate among the fluid source 200, the fluid connector 100 and the fluid radiator 300.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A female end for mating connection with a male end of a fluid connector,

2. The female end according to claim 1, wherein the locking assembly comprises a first elastic member, a locking member and a sliding sleeve, the locking member is movably disposed on a sidewall of the fixing sleeve, the first elastic member and the sliding sleeve are respectively sleeved on an outer side of the fixing sleeve, the first elastic member is connected to the sliding sleeve, the sliding sleeve is driven by the first elastic member to move, and the locking member is radially limited by the sliding sleeve.

3. The female end of claim 2, wherein a receiving portion is formed between the sliding sleeve and the outer surface of the fixing sleeve, and the first elastic member is received in the receiving portion.

4. The female end according to claim 2, wherein the locking member is a steel ball, a limiting hole is formed in a side wall of the fixing sleeve, and the steel ball is movably disposed in the limiting hole.

5. The female end according to claim 2, wherein the elastic limiting component comprises a second elastic member and a limiting ring, the second elastic member and the limiting ring are sequentially arranged on the inner side of the fixing sleeve along the insertion direction of the female end, the second elastic member is connected with the limiting ring, and the locking member is limited by the limiting ring in the radial direction of the fixing sleeve.

6. The female end according to any one of claims 1 to 5, wherein the valve rod is connected with the fixing sleeve to form an accommodating cavity, the liquid outlet end of the valve rod is located in the accommodating cavity, the liquid inlet end of the valve rod is located outside the accommodating cavity, and the valve core assembly is movably arranged in the accommodating cavity and slidably sleeved at the liquid outlet end of the valve rod.

7. The female end according to claim 6, wherein the valve element assembly further comprises a valve element and a third elastic member, the valve element is slidably sleeved on the liquid outlet end of the valve rod, the outer surface of the valve element is in close contact with the inner wall of the accommodating cavity, the third elastic member is sleeved on the liquid outlet end of the valve rod, one end of the third elastic member is connected with the inner wall of the valve seat of the valve rod, and the other end of the third elastic member is connected with the valve element.

8. A fluid connector, comprising a female end according to any one of claims 1 to 7, and a male end in mating connection with the female end, wherein the male end comprises a housing and a valve assembly, the housing has a position-limiting portion, and the valve assembly is movably disposed in the housing;

9. The fluid connector according to claim 8, wherein the male end further comprises a male seat, the male seat is connected with the housing to form an installation cavity, the valve assembly comprises a blocking member and a fourth elastic member, the blocking member is movably disposed in the installation cavity and blocks the liquid inlet of the installation cavity, and the fourth elastic member is disposed in the installation cavity and is located between the blocking member and the inner wall of the installation cavity.

10. A cooling circulation system comprising a fluid source, a fluid radiator and a fluid connector as claimed in any one of claims 8 to 9, the fluid source being connected to the fluid radiator via the fluid connector.