CN115823382A

CN115823382A - Fluid connector

Info

Publication number: CN115823382A
Application number: CN202211363782.6A
Authority: CN
Inventors: 杨立伟
Original assignee: Guizhou Space Appliance Co Ltd; Suzhou Huayang Aerospace Electric Co Ltd
Current assignee: Guizhou Space Appliance Co Ltd; Suzhou Huayang Aerospace Electric Co Ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-21

Abstract

A fluid connector comprises a male end connector and a female end connector, wherein the left end of the female end connector and the right end of the male end connector are plug-in combination parts of the fluid connector, and the male end connector comprises a male end shell, a male end mounting sealing ring, a male end floating sealing ring, a male end spring retainer ring, a male end spring and a male end valve core; the female end connector comprises a female end shell, a female end floating valve element sleeve, a female end valve element fixing sleeve, a female end floating steel ball, a female end floating sealing ring, a female end mounting sealing ring and a female end spring. The invention solves the radial floating space of the connector through the female end floating valve core and the female end valve floating core fixing sleeve, the floating valve core at the female end is added with steel ball hole sites for placing a plurality of groups of floating steel balls to solve the problems of large floating resistance and inflexibility, and a plurality of groups of floating sealing rings solve the problems of under-pressure residual pressure plugging and floating plugging leakage, and the invention has small size, simple, stable and reliable structure and can be used in different environments.

Description

Fluid connector

Technical Field

The invention belongs to the technical field of fluid connectors, and particularly relates to a fluid connector.

Background

The fluid connector is generally used for a cooling module and a main circulation system connector of a liquid cooling system, wherein the cooling module is used as a key part of the liquid cooling system, is provided with a heating element and allows the heating element to exchange heat with cooling liquid in the cooling module to achieve the purposes of heat dissipation and cooling.

It is common for a cooling module to be fitted with the male end of a fluid connector and for the main system to be fitted with the female end of a fluid connector, whereas during the manufacturing operation of the equipment, the cooling module may involve numerous operational tests including tightness, heat exchange performance, as well as related testing of the heat generating elements on the cooling module and their subsequent maintenance, servicing, replacement. In these processes, the fluid connector needs to be plugged and unplugged, and in general, the cooling system is only in a shutdown state, the pressure is not completely unloaded, and meanwhile, a certain residual pressure is also carried inside the unplugged cooling module, so that the fluid connector needs to be plugged and unplugged under pressure.

In the prior art, a male end connector and a female end connector of a fluid connector are provided with a movable valve core, the movable valve core is arranged on a spring, and the other end of the spring is provided with a spring retaining ring or a fixed stop block. With the development trend of miniaturization and modularization of modern equipment, the direct connection space between the male end and the female end of the connector is greatly reduced, and meanwhile, in order to consider the machining precision and the assembly tolerance of system parts, a larger radial floating space of the fluid connector is required, otherwise, the mounting hole of the fluid connector is required to have high precision.

At present, the floating amount of most floating blind plug connectors is small, cooling liquid is easy to remain after the plug connector with the large floating amount is plugged and pulled out, and a part of a fluid connector is complex in structure, large in size, various in parts, difficult to machine and assemble, easy to damage after being used, incapable of making a connector with a small drift diameter or not having a function of press plugging and pulling. Some floating connectors float through the flexible fact of the sealing ring, and in such a mode, the floating space is small and the pressing plugging function is not provided. And a part of the cooling device can realize large floating space, but the floating resistance is large in practical use, the cooling device is not flexible enough, and liquid leakage or partial residual cooling liquid is easy to occur after the cooling device is inserted.

Disclosure of Invention

To solve the above technical problem, the present invention provides a fluid connector.

The invention is realized by the following technical scheme.

The invention provides a fluid connector which comprises a male end and a female end, wherein the male end comprises a male end valve core, a male end shell, a male end spring and a male end movable valve core; the middle of the male end valve core is provided with a flow channel, the top of the male end valve core is provided with a flow channel hole, the bottom of the male end valve core is provided with an installation flange plate, the installation flange plate is provided with a flow channel hole, the male end movable valve core and a male end spring are sleeved on the male end valve core, the male end spring is arranged between the male end valve core and the male end movable valve core, one end of the male end spring is propped against the bottom of the male end valve core, and the other end of the male end spring is propped against the male end movable valve core; the male end movable valve core, the male end spring and the male end valve core are sleeved and then arranged in the male end shell; the female end comprises a female end shell, a female end floating valve core sleeve, a female end valve floating core fixing sleeve, a female end floating steel ball and a female end spring; the middle of the shell of the female-end floating valve core is provided with a fluid channel, the upper end of the shell is provided with an opening, the lower end of the shell is provided with a flange, the flange is provided with a blind hole, and the female-end floating steel ball is arranged in the blind hole; the female end shell is of a step hole structure, the female end valve floating core is fixedly sleeved outside the female end floating valve core shell and pressed on a flange at the root part of the female end floating valve core shell, and the female end floating valve core shell is pressed at the step hole of the female end shell through a female end floating steel ball arranged in the blind hole; the female end floating valve core sleeve, the female end floating valve core and the female end spring are arranged in the female end floating valve core shell, the lower end of the female end spring is propped against the female end floating valve core sleeve, the upper end of the female end spring is propped against the bottom of the female end floating valve core, and the female end floating valve core is arranged at an opening at the upper end of the female end floating valve core shell.

Furthermore, a flow channel is arranged in the middle of the male end valve core, a flow channel hole is formed in the top of the male end valve core, an installation flange plate is arranged at the bottom of the male end valve core, and the male end spring is propped against the installation flange plate.

Furthermore, a male end flange is arranged at the head of the male end shell, a wrench position is arranged on the outer side of the male end flange, and a guide angle for blind plugging is arranged at the bottom of the male end flange.

Furthermore, a groove for installing a sealing ring is formed in the male end flange, and threads are formed in the male end shell upwards along the male end flange.

The valve core is characterized by further comprising a male end spring retainer ring, wherein a groove for installing the male end spring retainer ring and a limiting groove are formed in the inner side wall of the upper end of the male end shell, the groove is formed above the limiting groove, an installation flange of the male end valve core is clamped in the limiting groove, and the male end spring retainer ring is clamped in the groove to lock the male end valve core.

Furthermore, a through hole is formed in the middle of the male end movable valve core, and the size of the through hole is matched with that of the male end valve core.

Furthermore, the contact surface of the male end movable valve core and the male end valve core and the contact surface of the male end movable valve core and the male end shell are provided with annular grooves, and sealing rings are arranged in the grooves.

Furthermore, a flange is arranged at a step in the middle of the female end shell, a female end mounting sealing ring is arranged on the outer end face of the flange, a groove is formed in the contact surface of the inner end and the female end floating valve core shell, and a female end floating sealing ring is arranged in the groove.

Furthermore, a wrench position is arranged on the side surface of the shell at the female end, and a screw tooth mounted with the panel is arranged at the bottom.

Furthermore, a through hole serving as a fluid channel is arranged in the middle of the female end floating valve core sleeve.

The invention has the beneficial effects that: when the male end connector and the female end connector are connected in a matched mode, no matter the male end connector is in a large floating state or a small floating state, the male end movable valve core is always in a sealing state, the female end movable valve core forms sealing with a floating sealing ring of a male end shell under the action of a male end guide angle, the female end floating valve core retreats in the matching process, the male end valve core can simultaneously form sealing with the floating sealing ring of the female end movable valve core, the female end floating valve core can move flexibly under the action of floating steel balls, sealing is formed under the action of the female end floating sealing ring, and no matter residual pressure or under-pressure plugging and unplugging are carried out under the action of multiple floating sealing rings, liquid leakage cannot occur. The public female end is to inserting, promote public end movable valve core and force public end spring to be in the state of suppressing, when promoting simultaneously that the female end of floating valve core spring is in the state of suppressing, public end valve core and female end movable valve core this advance to be in the connected state, all sealing washers in the connection process do not all expose in the runner, so can not be strikeed by the high pressure, the problem of present fluid connector area pressure plug has been solved, and in the disconnection of public female end connector, each spring can kick-back to the locating position, guarantee original sealed face, guarantee that the return circuit does not reveal. The blind-plugging fluid connector provided by the invention has a large floating space, can realize plugging under pressure or residual pressure, does not leak or leave cooling liquid after plugging, can flexibly float under the action of the floating steel ball, has small resistance, and is not easy to clamp.

Drawings

FIG. 1 is a half sectional view of a male end and a female end of a connector according to the present invention;

FIG. 2 is a structural half-sectional view of the male end of the present invention;

FIG. 3 is a structural semi-sectional view of the female end of the present invention;

FIG. 4 is a structural half-sectional view of the male end housing of the present invention;

FIG. 5 is a schematic structural view of a male end spool of the present invention;

FIG. 6 is a schematic structural view of a male-end movable valve element of the present invention;

FIG. 7 is a structural half-sectional view of the female end housing of the present invention;

FIG. 8 is a schematic structural view of the female end floating spool housing of the present invention;

FIG. 9 is a schematic structural view of a male end spring retainer ring of the present invention;

fig. 10 is a schematic structural view of the female end floating valve core sleeve of the present invention.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1-3, a fluid connector includes a male end 1 and a female end 2, the male end 1 including a male end spool 101, a male end housing 102, a male end spring 103, and a male end movable spool 105; the middle of the male end valve core 101 is provided with a flow channel, the top of the male end valve core 101 is provided with a flow channel hole 1011, the bottom of the male end valve core is provided with a mounting flange 1012, the mounting flange 1012 is provided with a flow channel hole, the male end movable valve core 105 and the male end spring 103 are sleeved on the male end valve core 101, the male end spring 103 is arranged between the male end valve core 101 and the male end movable valve core 105, one end of the male end spring 103 is propped against the bottom of the male end valve core 101, and the other end of the male end spring 103 is propped against the male end movable valve core 105; the male end movable valve core 105, the male end spring 103 and the male end valve core 101 are sleeved and then are arranged in the male end shell 102; the female end 2 comprises a female end shell 202, a female end floating valve core shell 204, a female end floating valve core 210, a female end floating valve core sleeve 209, a female end valve floating core fixing sleeve 203, a female end floating steel ball 206 and a female end spring 205; the middle of the shell 204 of the female-end floating valve core is provided with a fluid channel, the upper end of the shell is provided with an opening, the lower end of the shell is provided with a flange, the flange is provided with a blind hole 2041, and a female-end floating steel ball 206 is arranged in the blind hole 2041; the female end shell 202 is of a stepped hole structure, a female end valve floating core fixing sleeve 203 is sleeved outside the female end floating valve core shell 204 and pressed on a flange at the root of the female end floating valve core shell 204, and the female end floating valve core shell 204 is pressed at the stepped hole of the female end shell 202 through a female end floating steel ball 206 arranged in a blind hole 2041; the female end floating spool sleeve 209, the female end floating spool 210 and the female end spring 205 are arranged in the female end floating spool shell 204, the lower end of the female end spring 205 is propped against the female end floating spool sleeve 209, the upper end of the female end spring 205 is propped against the bottom of the female end floating spool 210, and the female end floating spool 210 is arranged at an opening at the upper end of the female end floating spool shell 204.

The middle of the male end valve core 101 is provided with a flow channel, the top of the male end valve core is provided with a flow channel hole 1011, the bottom of the male end valve core is provided with a mounting flange 1012, and the male end spring 103 is propped against the mounting flange 1012. The male end housing 102 has a male end flange 1027 at the head, a wrench position outside the male end flange 1027, and a guide angle 1026 for blind plugging and unplugging at the bottom. The male flange 1027 is provided with a groove 1022 for mounting a seal ring, and the male housing 102 is provided with threads 1023 upward along the male flange 1027. The valve core assembly further comprises a male end spring retainer ring 109, a groove 1025 for mounting the male end spring retainer ring 109 and a limiting groove 1024 are formed in the inner side wall of the upper end of the male end shell 102, the groove 1025 is arranged above the limiting groove 1024, a mounting flange 1012 of the male end valve core 101 is clamped in the limiting groove 1024, and the male end spring retainer ring 109 is clamped in the groove 1025 to lock the male end valve core 101. The middle of the male end movable valve core 105 is provided with a through hole 1052, and the size of the through hole is matched with that of the male end valve core 101. The contact surface of the male end movable valve core 105 and the male end valve core 101 and the contact surface of the male end movable valve core and the male end shell 102 are provided with annular grooves, and sealing rings are arranged in the grooves. A flange is arranged at the step position in the middle of the female end shell 202, a female end mounting sealing ring 208 is arranged on the outer end face of the flange, a groove is arranged on the contact surface of the inner end of the flange and the female end floating valve core shell 204, and a female end floating sealing ring 207 is arranged in the groove. The side of the female housing 202 has a wrench position and the bottom has a thread 2024 mounted to the panel. The middle of the female end floating valve core sleeve 209 is provided with a through hole which is used as a fluid channel.

The middle of the male end movable valve core 105 is provided with a through hole 1052 used for avoiding the main body of the male end valve core 101,

grooves

1051 and 1053 used for installing male end floating

sealing rings

104 and 106 are arranged on the inner side and the outer side, and the step on the outer side is limited by spring rebound. The male end circlip 109 is mainly used to prevent the male end spool 101 from backing off. The male end spring 103 is mainly used for enabling the male end movable valve core 1005 to rebound in time after the male end and the female end are inserted in a butting mode, and the male end floating

sealing rings

104 and 106 act on the pressure insertion and extraction without leakage at the same time.

The male end mounting seal ring 107 is mainly used for preventing fluid leakage when the male end and the panel are mounted, and the male end floating

seal rings

104, 106 and 108 are inserted and pulled under pressure to prevent fluid leakage.

The bottom of the female end shell 202 is provided with a thread 2024 mounted with a panel, the side surface is provided with a wrench position, a female end mounting sealing ring 208 is arranged below the flange and is used for sealing the female end and the panel surface, the middle is provided with a fluid channel, the opening part is limited by a female end valve floating core fixing sleeve 203, and a groove 2022 for mounting the female end floating sealing ring 207 is arranged above the flange.

The middle of the female end floating valve core shell 204 is a fluid channel, the opening part is provided with a groove 2042 for installing the female end floating sealing ring 201, the root flange is provided with a blind hole 2041 for installing the female end floating steel ball 206, and the middle of the female end valve floating core fixing sleeve 203 is provided with a through hole which is used for floating and limiting the female end floating valve core shell 204 after being assembled and fixed with the female end shell 202. The male end and the female end of the female end floating valve core 210 are plugged and unplugged under pressure and do not leak liquid when not plugged and unplugged. The female end spring 205 is used for ensuring that the female end floating valve core 210 rebounds when the male end and the female end are inserted and can not leak liquid under pressure under the combined action of the female end floating

sealing rings

201 and 207 when the male end and the female end are not inserted.

The female-end floating steel ball 206 is mainly used for changing the surface contact of the flange surface of the floating valve core shell 204 and the floating valve core fixing sleeve 203 into point contact, reducing the floating resistance of the floating valve core shell 204, increasing the flexibility and ensuring no leakage under pressure. The floating

sealing rings

201 and 207 at the female end mainly ensure that liquid does not leak when the male end and the female end work. The female floating spool sleeve 209 is mainly used for fixing the female spring 205, and the middle through hole is a fluid channel.

Claims

1. A fluid connector comprising a male end and a female end, characterized in that:

the female end comprises a female end shell, a female end floating valve core sleeve, a female end valve floating core fixing sleeve, a female end floating steel ball and a female end spring;

the middle of the shell of the female-end floating valve core is provided with a fluid channel, the upper end of the shell is provided with an opening, the lower end of the shell is provided with a flange, the flange is provided with a blind hole, and the female-end floating steel ball is arranged in the blind hole; the female end shell is of a step hole structure, the female end valve floating core is fixedly sleeved outside the female end floating valve core shell and pressed on a flange at the root part of the female end floating valve core shell, and the female end floating valve core shell is pressed at the step hole of the female end shell through a female end floating steel ball arranged in the blind hole; the female end floating valve core sleeve, the female end floating valve core and the female end spring are arranged in the female end floating valve core shell, the lower end of the female end spring is propped against the female end floating valve core sleeve, the upper end of the female end spring is propped against the bottom of the female end floating valve core, and the female end floating valve core is arranged at an upper end opening of the female end floating valve core shell.

2. The fluid connector of claim 1, wherein: the male end comprises a male end valve core, a male end shell, a male end spring and a male end movable valve core; the middle of the male end valve core is provided with a flow channel, the top of the male end valve core is provided with a flow channel hole, the bottom of the male end valve core is provided with an installation flange plate, the installation flange plate is provided with a flow channel hole, the male end movable valve core and a male end spring are sleeved on the male end valve core, the male end spring is arranged between the male end valve core and the male end movable valve core, one end of the male end spring is propped against the bottom of the male end valve core, and the other end of the male end spring is propped against the male end movable valve core; the male end movable valve core, the male end spring and the male end valve core are sleeved and then are arranged in the male end shell; the middle of the male end valve core is provided with a flow channel, the top of the male end valve core is provided with a flow channel hole, the bottom of the male end valve core is provided with a mounting flange plate, and the male end spring is propped against the mounting flange plate.

3. The fluid connector of claim 1, wherein: the head of the male end shell is provided with a male end flange, the outer side of the male end flange is provided with a wrench position, and the bottom of the male end flange is provided with a guide angle for blind plugging.

4. The fluid connector of claim 3, wherein: the male end flange plate is provided with a groove for installing a sealing ring, and the male end shell is provided with screw teeth upwards along the male end flange plate.

5. The fluid connector of claim 1, wherein: the valve core is characterized by further comprising a male end spring retainer ring, wherein a groove and a limiting groove for mounting the male end spring retainer ring are formed in the inner side wall of the upper end of the male end shell, the groove is formed above the limiting groove, the mounting flange of the male end valve core is clamped in the limiting groove, and the male end spring retainer ring is clamped in the groove to lock the male end valve core.

6. The fluid connector of claim 1, wherein: and the middle of the male end movable valve core is provided with a through hole, and the size of the through hole is matched with that of the male end valve core.

7. The fluid connector of claim 1, wherein: annular grooves are formed in the contact surface of the male end movable valve core and the male end valve core and the contact surface of the male end movable valve core and the male end shell, and sealing rings are arranged in the grooves.

8. The fluid connector of claim 1, wherein: a flange is arranged at the step position in the middle of the female end shell, a female end mounting sealing ring is arranged on the outer end face of the flange, a groove is arranged on the contact surface of the inner end and the female end floating valve core shell, and a female end floating sealing ring is arranged in the groove.

9. The fluid connector of claim 1, wherein: the side surface of the female end shell is provided with a wrench position, and the bottom of the female end shell is provided with a screw tooth installed on a panel.

10. The fluid connector of claim 1, wherein: and a through hole serving as a fluid channel is arranged in the middle of the female end floating valve core sleeve.