Quick-plug fluid connector

Abstract

A quick-plug fluid connector, comprising: a first coupling body (10) with a first pipe body (11), wherein an abutting main body (12) and a sliding main body (13) are provided in the first pipe body (11), and the sliding main body (13) can axially move; and a second coupling body (20) with a second pipe body (21), wherein a linkage main body (22) is provided in the second pipe body (21), and the abutting main body (12) can push the linkage main body (22) to axially move. An elastic locking body I (14) is provided in the first pipe body (11), a locking body II (23) is provided on an outer wall of the second pipe body (21), and during plugging of the second pipe body (21) into the first pipe body (11), the locking body II (23) can pass through the locking body I (14) and reversely abut against the locking body I (14), thereby achieving connection and fixation between the first coupling body (10) and the second coupling body (20). The quick-plug fluid connector is simple, convenient and fast to plug and unplug, and can realize blind plugging.

Description

A quick-plug fluid connector Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a quick-plug fluid connector. Background Art

[0002] A fluid connector is a device used to connect pipelines carrying high-pressure production fluids, enabling relative movement between two components carrying the corresponding ends of the pipeline. It enables rapid connection and disconnection of liquid pathways and is a crucial component in liquid cooling systems, ensuring rapid connection and disconnection between components within the system's loop. Fluid connectors are widely used in liquid cooling systems for high-heat-dissipating electronic equipment, such as those in high-end medical, aerospace, and manufacturing, as well as in liquid cooling systems for new energy batteries.

[0003] Current fluid connectors, such as the one disclosed in CN217927715U, use a slot-type liquid connector. When the male plug and the female plug are docked and plugged together, corresponding plugging directions are required, and the protrusions on the female plug must correspond to the grooves on the male plug for docking and mating. Alternatively, the threaded connection leak-free fluid connector disclosed in CN103672248A requires tightening the connection by rotating the thread, which is troublesome, time-consuming and labor-intensive to install and remove.

[0004] Summary of the Invention

[0005] The present invention aims to avoid the deficiencies of the prior art and provides a quick plug-in / pull-out fluid connector, which achieves a blind plug-in effect, can be quickly plugged in, unplugged, and removed, saves time and effort, and is easy to operate.

[0006] The present invention solves the technical problem by adopting the following technical solution: a quick plug-in fluid connector, comprising:

[0007] The first coupling body includes a first tubular body having a cavity distributed along its axial direction, wherein a top connecting body and a sliding body are disposed in the first tubular body, wherein the top connecting body extends along the axial direction of the cavity, and the sliding body is movable along the axial direction within the cavity;

[0008] The second coupling body includes a second tube body having a flow channel distributed along the axial direction thereof, one end of the second tube body can be inserted into the first tube body, a linkage body is provided in the second tube body, and the abutting body can push the linkage body to move axially along the flow channel;

[0009] Among them, the first tube body has an accommodating cavity at one end connected to the second tube body, and an elastic locking body 1 is arranged in the accommodating cavity. A locking body 2 is arranged on the outer wall of the second tube body. The locking body 2 can pass through the locking body 1 and reversely abut against the locking body 1 during the process of the second tube body being inserted into the first tube body, thereby realizing the connection and fixation between the first connecting body and the second connecting body 2.

[0010] In several embodiments, a secondary tube body is further provided in the cavity, one end of the secondary tube body abuts against the top connecting body, the other end of the secondary tube body extends toward the accommodating cavity and forms an outward-expanding elastic arm at the end, a connecting groove is provided in the first tube body, and the elastic arm abuts against the connecting groove.

[0011] In several embodiments, the top connecting body includes a chassis and a push rod, the chassis rests on the end of the first tube body, one end of the push rod is connected to the chassis, and the other end of the push rod passes through the sliding body.

[0012] In several embodiments, the sliding body includes a sealing section and a guide section, and the outer diameter of the guide section is larger than the outer diameter of the sealing section;

[0013] The auxiliary tube body includes a limiting section and a movable section. The sealing end can penetrate into the limiting section and fit with the inner wall of the limiting section. The guiding section fits with the inner wall of the movable section and can only move within the movable section.

[0014] In several embodiments, a plug-in tube is provided at one end of the first tube body that is away from the accommodating cavity, and a plurality of openings are provided on the chassis, and the openings are connected to the plug-in tube.

[0015] In several embodiments, a first spring is sleeved on the push rod, and the first spring abuts between the chassis and the sliding body.

[0016] In several embodiments, an end cap is further provided at the end of the second tube, and a second spring is provided between the end cap and the linkage body, so that the linkage body cannot pass through to the outside of the second tube.

[0017] In several embodiments, the locking body includes a base having a through hole in the middle, two positioning blocks protruding from opposite sides of the base, and two positioning holes are provided at the end of the first tube, the positioning holes being used to accommodate the positioning blocks;

[0018] Two clamping blocks are protruding from the other two opposite sides of the base, and the clamping blocks abut against the inner wall of the accommodating cavity. Two limiting blocks are provided in the base, and the positions of the limiting blocks correspond to the positions of the clamping blocks;

[0019] The second locking body is protruding and surroundingly arranged on the outer side of the second tube body. The second locking body can pass through the limiting block in one direction and abut against the limiting block in the opposite direction.

[0020] In several embodiments, a stopper is provided protruding from the outer side of the second tube, and the stopper can abut against the end of the first tube and limit the second tube from continuing to move into the first tube.

[0021] In several embodiments, a plurality of assembly holes are provided at one end of the second tube body, a plurality of protrusions are provided on the end cover, and the assembly holes are used to accommodate the protrusions.

[0022] The beneficial effects of the present invention are:

[0023] 1. The present invention adopts a locking plug-in connection structure to achieve a blind plug-in effect. The plug-in and pull-out are simple, convenient and quick. The internal parts adopt a hard top and guide structure during the product docking process, which avoids the spring distortion and internal parts misalignment caused by the plug-in and pull-out of the first connecting body and the second connecting body.

[0024] 2. The present invention improves the internal waterproof structure of the first coupling body. The auxiliary tube body is fixed to the first coupling body in combination with the elastic arm, and the sealing ring and the top connection body are directly fixed to the inside of the first coupling body, avoiding the problems of tilt and eccentricity of the top connection body.

[0025] 3. The first and second connectors of the present invention each employ two springs, which prevents large instantaneous flow and pressure pulses from being generated during pressurized insertion and separation, thereby protecting the sealing ring. Furthermore, this reduces fluid connector leakage caused by improper insertion and removal due to unrelieved pressure. Simultaneously, a lateral sealing structure is implemented, enabling bidirectional sealing even when the connectors are disconnected.

[0026] 4. The present invention optimizes the product plug-in structure, reduces manufacturing costs, shortens processing and assembly time, and greatly improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The drawings described herein are for illustrative purposes only of selected embodiments and do not represent all possible implementations, and should not be considered to limit the scope of the present invention.

[0028] FIG1 schematically shows the overall structure of the quick-plug fluid connector in Example 1;

[0029] FIG2 schematically shows an enlarged structure of the first coupling body in FIG1 ;

[0030] FIG3 schematically shows the cross-sectional structure of FIG2 ;

[0031] FIG4 schematically shows the exploded structure of FIG2 ;

[0032] FIG5 schematically shows the matching structure of the top contact body and the sliding body in FIG2 ;

[0033] FIG6 schematically shows an enlarged structure of the second coupling body in FIG1 ;

[0034] FIG7 schematically shows the cross-sectional structure of FIG6;

[0035] FIG8 schematically shows the matching structure of the linkage body and the end cover in FIG7 ;

[0036] FIG9 schematically shows the cross-sectional structure of FIG1 . DETAILED DESCRIPTION

[0037] Below, the embodiments of the present invention are described in detail. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0038] Therefore, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative work are within the scope of protection of the present invention.

[0039] The terms used herein are intended to explain the embodiments and are not intended to limit and / or define the present invention.

[0040] For example, expressions such as "in a certain direction", "along a certain direction", "parallel", "orthogonal", "center", "relative", "front and back, left and right" that indicate relative or absolute configurations not only indicate such configurations in a strict sense, but also indicate a state of relative displacement with a tolerance, or with an angle or distance that can achieve the same degree of functionality.

[0041] Example 1

[0042] The quick plug-in and pull-out fluid connector provided by the present invention realizes a blind plugging effect, can quickly realize plugging, pulling out, and removing, saves time and labor, and is easy to operate.

[0043] As shown in FIG1 , it is mainly composed of a first coupling body 10 and a second coupling body 20 that are plugged together to form a socket and plug structure. Both are closed inside when used alone, and conduction is achieved after the two are plugged in together.

[0044] As shown in Figures 2 to 5, the first connecting body 10 includes a first tube body 11 having a cavity 100 distributed along its axial direction. A top connecting body 12 and a sliding body 13 are provided in the first tube body 11. The top connecting body 12 extends along the axial direction of the cavity 100, and the sliding body 13 can move along its axial direction in the cavity 100. A secondary tube body 15 is also provided in the cavity 100. One end of the secondary tube body 15 abuts on the top connecting body 12, and the other end of the secondary tube body 15 extends toward the accommodating cavity 101 and forms an outward-expanding elastic arm 151 at the end. A connecting groove 111 is provided in the first tube body 11, and the elastic arm 151 abuts in the connecting groove 111, and a sealing ring 100d is filled between the two.

[0045] In addition, the first tube body 11 has an accommodating cavity 101 at one end connected to the second tube body 21, and an elastic locking body 14 is provided in the accommodating cavity 101. The locking body 14 is made of a rubber material, for example. The locking body 14 includes a base 141 with a through hole in the middle, and two positioning blocks 142 are protruding from two opposite sides of the base 141. Two positioning holes 112 are provided at the end of the first tube body 11, and the positioning holes 112 are used to accommodate the positioning blocks 142. Two clamping blocks 143 are protruding from the other two opposite sides of the base 141, and the clamping blocks 143 abut against the inner wall of the accommodating cavity 101. Two limit blocks 144 are provided in the base 141, and the position of the limit block 144 corresponds to the position of the clamping block 143.

[0046] The connecting body 12 includes a base plate 121 and a push rod 122 . The base plate 121 abuts against the end of the first tube 11 . One end of the push rod 122 is connected to the base plate 121 , and the other end of the push rod 122 passes through the sliding body 13 .

[0047] Among them, the sliding body 13 includes a sealing section 131 and a guide section 132, the outer diameter of the guide section 132 is larger than the outer diameter of the sealing section 131, the auxiliary tube body 15 includes a limiting section 152 and a movable section 153, the sealing end can be inserted into the limiting section 152 and fit with the inner wall of the limiting section 152, the guide section 132 fits with the inner wall of the movable section 153 and can only move within the movable section 153, and when the sliding body 13 is in the limiting section 152, it seals the first tube body 11.

[0048] A sealing ring 100 a is embedded in the limiting section 152 , and a sealing ring 2 100 b is embedded in the end of the push rod 122 .

[0049] A plug-in tube 16 is provided in the first tube body 11 at one end facing away from the accommodating chamber 101, and a sealing ring 3 100c is sleeved on the plug-in tube 16. The chassis 121 is provided with a plurality of openings, which are connected to the plug-in tube 16. At the same time, a first spring 17 is sleeved on the push rod 122, and the first spring 17 abuts between the chassis 121 and the sliding body 13.

[0050] As shown in Figures 6 to 8, the second connecting body 20 includes a second tube body 21 having a flow channel 200 distributed along its axial direction. One end of the second tube body 21 can be inserted into the first tube body 11. A linkage body 22 is provided in the second tube body 21. A sealing ring 200a is embedded in the linkage body 22. The linkage body 22 seals the end of the second tube body 21. The top body 12 can push the linkage body 22 to move axially along the flow channel 200.

[0051] A second locking body 23 is provided on the outer wall of the second tube body 21. The second locking body 23 can pass through the locking body 14 and abut against the locking body 14 in the process of the second tube body 21 being inserted into the first tube body 11, thereby realizing the connection and fixation between the first coupling body 10 and the second coupling body 20. Specifically, the second locking body 23 is protruding and surrounded on the outer side of the second tube body 21. The second locking body 23 can pass through the limit block 144 in one direction and abut against the limit block 144 in the opposite direction.

[0052] At the same time, an end cover 24 is provided at the end of the second tube body 21, and a second spring 25 is provided between the end cover 24 and the linkage body 22. The linkage body 22 cannot pass through the outside of the second tube body 21, and a plurality of assembly holes 212 are provided at one end of the second tube body 21. A plurality of protrusions 241 are provided on the end cover 24, and the assembly holes 212 are used to accommodate the protrusions 241 to achieve quick plug-in and fixation.

[0053] At the same time, a disc-shaped stopper 211 is protruded from the outer side of the second tube body 21 . The stopper 211 can abut against the end of the first tube body 11 and restrict the second tube body 21 from continuing to move into the first tube body 11 .

[0054] As shown in Figure 9, when the present invention is in use, the left end of the first connecting body 20 is inserted into the right end opening of the first connecting body 10, and the second tube body 21 continues to advance to the left, overcoming the spring force and pushing the sliding body 13 into the movable section 153. At the same time, the top body 12 pushes the linkage body 22 in the second tube body 21 to overcome the spring force and move to the right until the stop body 211 in the second tube body 21 hits the end of the first tube body 11. At this time, the locking body 23 has passed through the limit block 144. After being released, under the action of the spring, the locking body 23 automatically reverses and snaps into the limit block 144 to achieve connection and fixation between the two, completing the connection and conduction.

[0055] The present invention describes preferred embodiments, including the best mode known to the inventors for carrying out the invention. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The inventors anticipate that such variations may be employed as appropriate by those skilled in the art, and the inventors indicate that the present invention may be practiced in other ways than those specifically described herein. Therefore, the present invention includes all modifications encompassed by the spirit and scope of the invention as defined by the claims. Furthermore, unless otherwise indicated or clearly contradicted by context, the present invention encompasses any of the above-described elements and all possible variations thereof.

Claims

1. A quick-plug fluid connector, characterized in that: include: The first coupling body includes a first tubular body having a cavity distributed along its axial direction, wherein a top connecting body and a sliding body are disposed in the first tubular body, wherein the top connecting body extends along the axial direction of the cavity, and the sliding body is movable along the axial direction within the cavity; The second coupling body includes a second tube body having a flow channel distributed along the axial direction thereof, one end of the second tube body can be inserted into the first tube body, a linkage body is provided in the second tube body, and the abutting body can push the linkage body to move axially along the flow channel; Among them, the first tube body has an accommodating cavity at one end connected to the second tube body, and an elastic locking body 1 is arranged in the accommodating cavity. A locking body 2 is arranged on the outer wall of the second tube body. The locking body 2 can pass through the locking body 1 and reversely abut against the locking body 1 during the process of the second tube body being inserted into the first tube body, thereby realizing the connection and fixation between the first connecting body and the second connecting body 2.

2. A quick-plug fluid connector according to claim 1, characterized in that: A secondary tube body is also provided in the cavity, one end of the secondary tube body abuts against the top connecting body, the other end of the secondary tube body extends toward the accommodating cavity and forms an outward-expanding elastic arm at the end, a connecting groove is provided in the first tube body, and the elastic arm abuts against the connecting groove.

3. A quick-plug fluid connector according to claim 2, characterized in that: The top connection body includes a chassis and a push rod. The chassis is against the end of the first tube body. One end of the push rod is connected to the chassis, and the other end of the push rod passes through the sliding body.

4. A quick-plug fluid connector according to claim 3, characterized in that: The sliding body includes a sealing section and a guide section, and the outer diameter of the guide section is larger than the outer diameter of the sealing section; The auxiliary tube body includes a limiting section and a movable section. The sealing end can penetrate into the limiting section and fit with the inner wall of the limiting section. The guiding section fits with the inner wall of the movable section and can only move within the movable section.

5. The quick-plug fluid connector according to claim 3, characterized in that: An inserting tube is provided at one end of the first tube body that is connected to the accommodating cavity, and a plurality of openings are provided on the chassis, and the openings are connected to the inserting tube.

6. A quick-plug fluid connector according to claim 4, characterized in that: A first spring is sleeved on the push rod, and the first spring abuts between the chassis and the sliding body.

7. A quick-plug fluid connector according to claim 6, characterized in that: An end cover is further provided at the end of the second tube body, and a second spring is provided between the end cover and the linkage body, so that the linkage body cannot pass through to the outside of the second tube body.

8. The quick-plug fluid connector according to claim 7, characterized in that: The locking body 1 includes a base with a through hole in the middle, two positioning blocks protruding from opposite sides of the base, and two positioning holes are provided at the end of the first tube for accommodating the positioning blocks; Two clamping blocks are protruding from the other two opposite sides of the base, and the clamping blocks abut against the inner wall of the accommodating cavity. Two limiting blocks are provided in the base, and the positions of the limiting blocks correspond to the positions of the clamping blocks; The second locking body is protruding and surroundingly arranged on the outer side of the second tube body. The second locking body can pass through the limiting block in one direction and abut against the limiting block in the opposite direction.

9. The quick-plug fluid connector according to claim 8, characterized in that: A stopper is protruding from the outer side of the second tube, and the stopper can abut against the end of the first tube and limit the second tube from continuing to move into the first tube.

10. The quick-plug fluid connector according to claim 9, characterized in that: One end of the second tube body is provided with a plurality of assembly holes, and the end cover is provided with a plurality of protrusions, and the assembly holes are used to accommodate the protrusions.

Images