CN109944994A - Fluid connector assembly and its fluid connector - Google Patents

Abstract

The present invention relates to one kind to fluidly connect device assembly and its fluid connector.Fluid connector, the connector shell extended along the longitudinal direction including axis, it is equipped with valve core structure in the inner cavity of the connector shell and connector shell is equipped with the mounting hole radially extended, guiding movement is equipped with locking member in mounting hole, the locking member has the locking channel for passing through for the insertion end for being adapted to fluid connector, it further include for providing the elastic component of elastic reset power to the locking member, the locking member includes the overhang being hung on the outside of connector shell, and the elastic component is arranged between the overhang and the connector shell.Since elastic component is arranged on the outside of connector shell, operating space is larger, convenient for assembly, meanwhile, without dismantling locking member when needing replacing elastic component, the replacement operation of elastic component is also very convenient.

Description

Fluid connector assembly and its fluid connector

technical field

The present invention relates to a fluid connector assembly and its fluid connector.

Background technique

With the continuous development of electrical components in electrical equipment towards high frequency, high density and high integration, the problem of heat dissipation of equipment has become more and more prominent. Liquid cooling technology has become the preferred solution to this problem due to its efficient heat dissipation performance. At present, liquid cooling technology has been widely used in aviation, aerospace, electronics, ships, communications, wind power, electric vehicles and other fields.

As an important part of the liquid cooling system, the main function of the fluid connector is to realize the quick connection and disconnection between the fluid passages such as the liquid cooling pipeline and the liquid cooling cold plate, so as to facilitate the debugging and maintenance of the equipment, especially when the equipment needs more The occasion of disassembly and assembly and debugging many times. An existing fluid connector, such as a fluid connector disclosed in a Chinese patent document with application publication number CN 106917926 A, includes a male plug and a female plug, and the male plug includes a first sleeve, a second sleeve and a first sleeve of the male plug. Three sleeves, the inner cavity of the third sleeve is slidably assembled with a first valve core along its axial direction, the side wall of the first sleeve of the male plug is provided with a locking groove, and the female plug includes the first sleeve of the female plug and the The second sleeve of the female plug, the outer circumference of the second sleeve of the female plug is provided with a locking pin, the inner cavity of the second sleeve of the female plug is provided with a second valve core, when the male plug is inserted into the female plug, Insert the female plug into the male plug, so that the pin on the female plug enters the locking groove on the male plug. After it is in place, rotate the female plug so that the pin enters the axial groove of the locking groove and locks. During the insertion process, the third sleeve on the male plug pushes the second valve core to move into the second sleeve of the female plug, while the second sealing disc pushes the first valve core to move, finally making the inner cavity of the third sleeve of the male plug and the inner cavity of the third sleeve of the male plug to move into the second sleeve of the female plug. The inner cavity of the second sleeve of the female plug is communicated to realize the fluid communication between the male plug and the female plug. When the fluid connector is plugged in and pulled out, it is necessary to hold the male plug and the female plug with both hands in order to rotate the two relative to each other so as to realize locking or unlocking, and the operation process is relatively complicated.

Aiming at the problem of quick locking and unlocking of the connector, the Chinese patent document with the authorization announcement number CN 102900907 B discloses a quick connector, which includes a fixed connector and a movable connector. The fixed connector is provided with a radially extending installation hole. A button is installed in the installation hole for guiding and moving. The button is provided with a button channel through which the insertion end of the power supply joint passes. During the process, the cone surface of the cone segment presses the stopper to move the button toward the compression spring until the cone segment passes the stopper, and then the button is reset under the elastic force of the compression spring, so that the stopper fits with the step on the moving joint. , so that the fixed joint and the moving joint are locked and connected; when unlocking, press the button to make the stopper on the button disengage from the step on the moving joint to complete the unlocking. The quick connector can automatically realize locking by directly inserting the movable plug into the fixed plug when it is inserted and closed, and can be unlocked by pressing a button when unlocking, and the operation is convenient. However, in order to realize the limit of the button in the fixed casing and ensure that the button can be reset after being pressed, it is necessary to provide an elastic member that provides elastic force to the button. The elastic member is a cylindrical spring arranged in the fixed casing, which is installed on the The installation hole is located between the side wall of the button and the bottom of the installation hole. Since the fixed housing itself is compact in structure and the spring is installed in the fixed housing, the operating space during assembly is very limited, and the assembly operation is very inconvenient; On the other hand, when the spring is replaced in the later stage, it is necessary to disassemble the button, that is, the locking member and the lock, and the operation is also very inconvenient.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a press-to-unlock type fluid connector, so as to solve the problem of inconvenient installation and replacement of the elastic member in the existing fluid connector due to the elastic member being arranged inside the connector; at the same time, the present invention also provides A fluid connector assembly using the above fluid connector.

To achieve the above purpose, the fluid connector of the present invention adopts the following technical solutions:

Option 1: A fluid connector, comprising a connector housing whose axis extends in the front-rear direction, the inner cavity of the connector housing is provided with a valve core structure, and the connector housing is provided with a mounting hole extending along its radial direction , the mounting hole is guided and moved with a locking piece, the locking piece has a locking channel for the insertion end of the fitting fluid connector to pass through, and also includes a locking piece for providing elastic restoring force to the locking piece An elastic piece, the locking piece includes an overhanging part that is overhanging the outer side of the connector housing, and the elastic piece is arranged between the overhanging part and the connector housing. Since the elastic member is arranged outside the connector housing, the operation space is large, which is convenient for assembly. At the same time, when the elastic member needs to be replaced, the locking member does not need to be disassembled, and the replacement operation of the elastic member is also very convenient.

Solution 2 is further improved on the basis of solution 1: the overhanging portion is overhanging along the axial direction of the connector housing, which is convenient to increase the size of the overhanging portion and facilitate the installation of elastic parts.

Solution 3 is further improved on the basis of solution 2: the overhanging portion overhangs in a direction away from the plug end of the socket, which is convenient for operation.

Option 4 is further improved on the basis of Option 1: the overhanging end of the overhanging portion is tilted in the direction away from the connector housing, and when other components touch the overhanging portion, the overhanging end is first stressed , to avoid accidental unlocking.

Solution 5 is further improved on the basis of solution 1: the overhang part is provided with an operation part for pressing operation.

Scheme 6 is further improved on the basis of any one of Schemes 1 to 5: the elastic member is a cylindrical spring.

Solution 7 is further improved on the basis of solution 6: at least one of the overhang portion and the connector housing is provided with a spring mounting hole for mounting the cylindrical spring.

The fluid connector assembly of the present invention adopts the following technical solutions:

Solution 1: A fluid connector assembly, including a plug and a socket, the plug including a plug housing and a plug spool structure disposed in the plug housing, the socket comprising a socket housing with an axis extending in the front-rear direction, the socket The inner cavity of the casing is provided with a socket valve core structure, and the socket casing is provided with a mounting hole extending along its radial direction, and a locking piece is installed in the mounting hole for guiding and moving, and the locking piece has a A locking channel through which the insertion end passes, the socket further includes an elastic member for providing elastic restoring force to the locking member, the locking member includes an overhanging part suspended to the outside of the socket housing, the elastic member is provided between the overhang and the socket housing.

Solution 2 is further improved on the basis of solution 1: the overhang portion is overhanging along the axial direction of the socket housing.

Solution 3 is further improved on the basis of solution 2: the overhang portion overhangs in a direction away from the plug end of the socket.

Solution 4 is further improved on the basis of solution 1 to obtain: the overhanging end of the overhanging portion is tilted in a direction away from the socket housing.

Solution 5 is further improved on the basis of solution 1: the overhang part is provided with an operation part for pressing operation.

Scheme 6 is further improved on the basis of any one of Schemes 1 to 5: the elastic member is a cylindrical spring.

Solution 7 is further improved on the basis of solution 6: at least one of the overhang portion and the socket housing is provided with a spring mounting hole for mounting the cylindrical spring.

Description of drawings

FIG. 1 is a schematic structural diagram of Embodiment 1 of the fluid connector assembly of the present invention (insert locking state);

FIG. 2 is a schematic structural diagram of the socket housing in FIG. 1;

Figure 3 is a schematic diagram of the external structure of the socket housing;

Fig. 4 is the sectional view of A-A direction in Fig. 3;

5 is a schematic structural diagram of the plug in FIG. 1;

6 is a schematic diagram of the plug and the socket in the process of insertion;

7 is a schematic diagram of the plug and the socket in the unlocking process;

8 is a schematic diagram after the plug and the socket are unlocked;

9 is a schematic structural diagram of the socket housing in Embodiment 2 of the fluid connector assembly of the present invention;

In the drawings: 1, plug; 2, socket; 11, plug housing; 12, retaining ring; 13, sealing block; 14, sealing block spring; 15, stop step; 21, socket housing; 22, tail shell body; 23, sealing rod; 24, sealing ring; 25, locking piece; 26, locking piece spring; 211, stop; 221, circlip; 241, sealing ring spring; 251, inserting part; 252 253, tapered surface; 254, barb; 255, arc guide surface; 256, locking channel.

Detailed ways

The embodiments of the present invention will be further described below with reference to the accompanying drawings.

The specific embodiment 1 of the fluid connector assembly of the present invention, as shown in FIG. 1 to FIG. 8 , the fluid connector assembly includes a plug 1 and a socket 2 , and the plug includes a plug housing 11 and a plug arranged in the plug housing 11 . For the valve core structure, the plug housing 11 is provided with a stop step 15 . In this embodiment, the stop step 15 on the plug housing 11 is a ring platform structure arranged around the outer circumference of the plug housing 11, and its front end is connected with the plug housing 11 through a tapered surface, so that no matter how the plug rotates in the circumferential direction , the blocking step 15 can be locked with the socket.

The socket includes a socket housing 21 whose axis extends in the front-rear direction. The socket housing 21 is provided with a socket valve core structure in the inner cavity, and the socket housing 21 is provided with a mounting hole extending along its radial direction. The mounting hole guides the moving assembly. The locking member 25 is connected with an elastic member that provides elastic restoring force to the locking member 25. The locking member 25 has a locking channel 256 for the insertion end of the plug to pass through. A locking structure that locks and fits with the stop step 15 on the plug housing 11. The locking member 25 is provided with an elastic barb that cantilevered outward and can be deformed and contracted by pressing against the side wall of the installation hole. 254, the socket housing 21 is provided with an escape space for the barb 254 to deform outwards after the locking member 25 is installed in place, and the escape space is provided with the deformed barb 254. Matching stop structure.

The rear end of the socket housing 21 is assembled with a rear end housing 22 through a circlip 221 for connecting with a corresponding liquid cooling pipeline.

Among them, as shown in FIG. 4 , the mounting hole penetrates the socket housing 21 in a radial direction, the avoidance space is the space formed at the opening at the lower end of the mounting hole, and the blocking structure is arranged on the side wall of the opening at the lower end of the mounting hole. Specifically, the blocking structure It is a stop 211 arranged on the side wall of the installation hole. The mounting hole is arranged through the socket housing 21 in a radial direction, and the blocking structure is arranged as a stopper 211 on the side wall of the mounting hole, which has a simple structure and avoids complicated processing and manufacturing after setting the mounting hole as a blind hole.

In this embodiment, as shown in FIG. 2 and FIG. 3 , the locking member 25 includes an inserting portion 251 for inserting into the mounting hole and an inserting portion 251 axially extending along the socket housing 21 for pressing operation. The overhanging portion 252, the upper side of the overhanging portion 252 is the operating portion for operation, and the elastic member is a cylindrical spring arranged between the overhanging portion 252 and the socket housing 21, namely the locking member spring 26.

The inserting portion 251 is specifically a plate-like structure, which can lock the axial dimension of the component, thereby reducing the axial dimension of the socket and reducing the volume of the socket. Correspondingly, the mounting hole is also set to be aligned with the inserting portion 251 Fitted flat hole. The overhanging portion 252 is disposed outside the socket housing 21 and overhangs toward the rear end of the socket, that is, away from the plug-in end, which increases the operable area of the overhanging portion 252 and facilitates operation. Between the overhanging portion 252 and the socket housing 21 , the locking member spring 26 is located outside the connector, which facilitates the assembly operation. At the same time, the rear end of the overhang is tilted at a certain angle in the direction away from the socket housing, so that when an external component accidentally contacts the overhang, the overhang end of the overhang will be stressed first, and the overhang end will be stressed after the overhang. It will deform downward relative to the fixed end, and exert a twisting force on the insertion part without causing the insertion part to be subjected to radial force to avoid accidental unlocking. Mounting holes for mounting the locking member spring 26 are provided on the overhang portion 252 and on the socket housing 21 to limit the position and prevent the spring from coming out.

In this embodiment, as shown in FIG. 4 , the barb 254 is an angular structure with a smaller head, and an arc-shaped guide surface 255 is provided on the outer side of the angular structure. There are two oppositely arranged on the 251 , and the blocking structure and the blocking platform 211 are arranged corresponding to the barbs 254 . When the barbs 254 are arranged in an angular structure with a smaller head, the front ends of the barbs 254 are more likely to be deformed under pressure, so that the barbs 254 are easily deformed by the top of the hole wall of the mounting hole when passing through the mounting hole. . Two barbs 254 are provided and disposed opposite to each other, so as to ensure that the locking member 25 is reliably restrained in the mounting hole and prevents it from coming out. At the same time, the barbs 254 have a barb structure, so that the barbs 254 are prevented from being deformed by force when the barbs 254 are blocked and matched with the stopper 211 , and the anti-separation performance of the barbs 254 is ensured. The locking member 25 can be made of plastic as a whole, so that the barbs 254 can be integrally provided with the locking member 25, which is convenient for processing and reduces the cost. The outer side of the barb 254 is provided with an arc-shaped guide surface 255, which guides and guides when entering the installation hole, so as to facilitate assembly.

The lower side of the locking channel 256 is provided with a tapered surface 253 whose rear end contracts toward the inside of the socket housing for press-fitting with the stop step 15 on the plug housing 11 during the plug insertion process. The surface 253 is press-fitted with the stop step 15 on the plug housing 11 during the insertion process of the plug, so that the locking member 25 is forced to move downward, and the locking channel 256 moves downward as a whole, thereby making the plug The insertion end enters the locking channel 256 . The locking structure is specifically the rear end surface of the locking member 25. After the blocking step 15 crosses the conical surface 253, the locking member 25 is reset under the elastic force of the spring, so that the rear end surface of the locking member 25 is blocked from the blocking step 15. Lock the plug and socket tightly to prevent the plug from coming out. Among them, the barb is an elastic snap-connecting piece arranged on the locking piece, and the stopper is a blocking structure arranged on the socket housing. When the locking piece is installed, it radially enters the socket housing with the barb. , that is, the barbs are arranged radially along the socket shell, and the configuration here means that the elastic clip is installed on the socket shell along the radial direction, which is the same as the Chinese patent document with the authorization announcement number CN 102900907 B. The lock is different from the lock in this document. The lock in this document is installed in the socket housing in the axial direction. The installation method of the lock determines that the valve core structure must be disassembled before it can be installed and disassembled. In the present invention, the elastic clamping piece is arranged along the radial direction of the socket housing, which determines that it does not need to operate the valve core during installation, and can be directly installed, and the operation is simple and convenient.

As shown in FIG. 5 , the plug valve core structure includes a blocking ring 12 and a sealing block 13 respectively disposed at the front and rear ends of the inner cavity of the plug housing 11 . A sealing block spring 14 is also provided between the blocking ring 12 and the sealing block 13 to be connected with the plug housing by means of threads. The structure of the plug valve core is similar to that of the plug valve core in the prior art.

As shown in FIG. 1 , the socket valve core structure includes a sealing rod 23 arranged in the inner cavity of the socket housing and a sealing ring 24 sleeved on the front end of the sealing rod 23 . The elastic force sealing ring spring 241, the structure of the socket valve core is similar to the structure of the socket valve core in the prior art.

During the insertion process of the plug and the socket, as shown in Figure 6, the plug is fixed, an axial force F is applied to the socket, and the plug end of the plug enters the inner cavity of the socket housing 21 and enters the locking member In the locking channel 256 of 25 , the stop step 15 on the socket housing 21 is press-fitted with the conical surface 253 on the locking member 25 during the insertion process, so that the locking member 25 is radially oriented relative to the socket housing 21 . move down, at this time the locking member spring 26 is compressed until the blocking step 15 crosses the conical surface 253, the locking member 25 is reset under the elastic force of the spring, as shown in FIG. 1, the rear end surface of the locking member 25 stops stop on the stop step 15 . During the mating process, the plug housing 11 presses the sealing ring 24 into the inner cavity of the socket housing 21 so that the sealing ring spring 241 is in a compressed state, and the sealing rod 23 pushes the sealing block 13 into the inner cavity of the plug housing 11 . Keep the seal block spring 14 in a compressed state.

During the unlocking process of the plug and the socket, as shown in FIG. 7 , an unlocking force F along the radial direction of the socket housing is applied to the overhang 252 of the locking member 25, and the locking member 25 is forced to move downward along the direction of the mounting hole, When the locking member 25 moves to its lower end and drives the rear end surface to disengage from the blocking step 15, under the elastic force of the sealing ring spring 241 and the sealing block spring 14, the plug and the socket move relative to each other in the axial direction, so that the two Fully unlocked, as shown in Figure 8.

The fluid connector assembly only needs to exert an axial force on the plug and the socket to complete the locking and inserting connection when it is inserted, and only needs to press the unlocking piece to complete the unlocking operation when unlocking, and the operation process is simple and convenient. At the same time, the locking member 25 is connected to the socket housing 21 through the barbs 254, which avoids the provision of annular baffles, locks and other structures in the socket housing 21, makes the socket structure simple, and solves the problem of the existing fluid connector due to button installation. The complex structure of the connector is caused by the complex structure of the connector.

Embodiment 2 of the fluid connector assembly of the present invention, as shown in FIG. 9 , in this embodiment, the overhanging portion 252 of the locking member 25 is arranged in parallel with the axis of the socket housing 21 , that is, the inserting portion 251 is parallel to the overhanging portion 252 . The extension parts 252 are perpendicular to each other, and other parts are the same as those in Embodiment 1, and are not repeated here.

In Embodiment 3 of the fluid connector assembly of the present invention, in this embodiment, the overhang portion extends in the direction of the plug-in end of the socket.

In Embodiment 4 of the fluid connector assembly of the present invention, in this embodiment, the overhanging portion extends along the radial direction of the socket.

In Embodiment 5 of the fluid connector assembly of the present invention, in this embodiment, the cylindrical spring disposed between the overhang and the socket housing is set as a reed, and the others are the same as in Embodiment 1, and will not be repeated.

In the embodiment of the fluid connector of the present invention, the structure of the fluid connector is the same as that of the socket in the above-mentioned embodiment of the fluid connector assembly, which will not be repeated.

Claims (10)

1. fluid connector is set in the inner cavity of the connector shell including the connector shell that axis extends along the longitudinal direction There is valve core structure and connector shell is equipped with the mounting hole radially extended, guiding movement is equipped with locking in mounting hole Part, the locking member have the locking channel for passing through for the insertion end for being adapted to fluid connector, further include for described The elastic component of locking member offer elastic reset power, it is characterised in that: the locking member includes being hung on the outside of connector shell Overhang, the elastic component are arranged between the overhang and the connector shell.

2. fluid connector according to claim 1, it is characterised in that: the overhang is in the axial direction of connector shell It overhangs.

3. fluid connector according to claim 2, it is characterised in that: the overhang faces away from the inserted terminal of socket Direction on overhang.

4. fluid connector according to claim 1, it is characterised in that: the projecting end of the overhang is to away from connector The side of shell is upturned.

5. fluid connector according to claim 1, it is characterised in that: the overhang is equipped with for pressing operation Operation portion.

6. fluid connector described according to claim 1 ~ any one of 5, it is characterised in that: the elastic component is cylindricality bullet Spring.

7. fluid connector according to claim 6, it is characterised in that: in the overhang and connector shell at least One is equipped with for the spring mounting hole for cylindrical spring installation.

8. fluidly connecting device assembly, including plug and socket, the plug includes in plug casing and setting and plug casing Plug valve core structure, the socket includes the Socket casing that axis extends along the longitudinal direction, in the inner cavity of the Socket casing Equipped with socket valve core structure and Socket casing is equipped with the mounting hole radially extended, and guiding movement is equipped with lock in mounting hole Tight part, the locking member have the locking channel passed through for the insertion end for plug, and socket further includes for the locking The elastic component of part offer elastic reset power, it is characterised in that: the locking member includes the overhang being hung on the outside of Socket casing, The elastic component is arranged between the overhang and the Socket casing.

9. according to claim 8 fluidly connect device assembly, it is characterised in that: axial direction of the overhang along Socket casing Upper overhanging.

10. according to claim 9 fluidly connect device assembly, it is characterised in that: the overhang faces away from socket It overhangs on the direction of inserted terminal.