Three-way quick connector with liquid discharging function for liquid cooling pipeline system

By designing a tee-way quick joint for liquid-cooled pipeline system, the problem of the unidirectional quick joint in the prior art that cannot be connected and disassembled when there is fluid in the pipeline, resulting in liquid leakage. The joint realizes automatic flow diversion and sealing functions through the coordination of the movable valve and sealing, ensuring safe and efficient operation.

CN222597122UActive Publication Date: 2025-03-11SHANGHAI FOUND AUTOMATIC EQUIP CO LTD
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Patent Information

Application Number
CN202421428805.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-03-11
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

In the existing liquid-cooled pipeline system, the one-way cut-off quick joint cannot be connected and removed when there is fluid in the pipeline, resulting in liquid leakage.

Method used

A three-way quick connector for liquid-cooled pipeline system is designed, including a housing, a snap button, a male connector receiving part, a valve body receiving part and a joint handle. When the male connector is unconnected from the quick connector and there is fluid in the pipeline, the fluid is automatically directed to the other pipeline through the cooperation of the movable valve and the seal, and has the function of automatic closing.

Benefits of technology

It realizes that when there is fluid in the pipeline, the connection between the male connector and the quick connector can be safely released, and the fluid is directed to another pipeline to avoid liquid leakage. At the same time, the structure is simple and can be automatically closed.

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Abstract

The utility model discloses a three-way quick connector with a liquid discharging function for a liquid cooling pipeline system. A shell comprises a valve body containing part located between a male connector containing part and a connecting handle. A check ring and a sealing piece are arranged in the male connector containing part, a movable valve is arranged in the valve body containing part, and a compression spring is arranged in the connecting handle. The movable valve is provided with a sealing tubular section used for being connected with the sealing piece in a sealing mode and a circulation section provided with a circulation hole. When the male connector is inserted into the male connector containing part, the extrusion end is extruded, the sealing tubular section is separated from the sealing piece, a circulation gap is formed between the sealing tubular section and the inner wall of the valve body containing part, and therefore the interior of the three-way quick connector is communicated. The connecting handle comprises a first pipeline connector coaxial with the shell and a second pipeline connector arranged on one side of the first pipeline connector. When liquid exists in the pipeline, the male plug is pulled out of the quick connector, and the liquid which cannot flow out of the male connector inserting opening can flow to the second pipeline connector.
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Description

Technical Field

[0001] The utility model relates to a three-way quick connector, in particular to a three-way quick connector with a liquid discharge function and used in a liquid cooling pipeline system. Background Art

[0002] With the rise of the new energy industry, the liquid cooling pipeline system has gradually attracted widespread attention. In the liquid cooling pipeline system, a variety of quick connectors are often used. The development of the new energy industry is accompanied by the continuous changes in the environment of the liquid cooling pipeline. The changes in the environment have put forward higher requirements on the functions of quick connectors. The one-way cut-off quick connectors commonly used in liquid cooling pipelines need to be connected and disassembled when there is no fluid in the pipeline, otherwise it will cause liquid leakage. Utility Model Content

[0003] The utility model provides a three-way quick connector with a liquid discharge function for a liquid cooling pipeline system, which can guide the fluid to another pipeline when the connection between the male connector and the quick connector is released and there is fluid in the pipeline. It has a simple structure and can be automatically closed when pulled out.

[0004] The technical solution of the utility model is: a three-way quick connector with a liquid discharge function for a liquid cooling pipeline system, comprising a shell, wherein the shell comprises a button accommodating portion for accommodating a buckle button, a male connector accommodating portion for accommodating a male connector, and a connecting handle for connecting a pipe body from the head end to the tail end; a buckle button for locking the male connector and the shell is arranged in the button accommodating portion;

[0005] The housing further comprises a valve body receiving portion located between the male connector receiving portion and the connecting handle;

[0006] A stop ring and a sealing member are arranged in the male connector accommodating portion, a movable valve is arranged in the valve body accommodating portion, and a compression spring is arranged in the connecting handle;

[0007] A first limiting step is provided on the inner wall of the housing where the valve body accommodating portion and the male connector accommodating portion are connected, the sealing member is an annular sealing member, and the tail end surface of the sealing member contacts and limits the first limiting step;

[0008] A stop ring buckling structure limiting groove is provided on the inner wall of the shell corresponding to the male connector accommodating portion, and a buckling structure inclined toward the outside is provided on the outer surface of the stop ring. After the stop ring is matched and buckled with the stop ring buckling structure limiting groove through the buckling structure, it contacts and limits the end surface of the sealing member;

[0009] The movable valve is provided with an extrusion end with a flow groove inserted into the male connector accommodating portion, a sealing tubular section for sealingly connecting with the sealing member, and a flow section with a flow hole in sequence from the head end to the tail end; when the male connector is inserted into the male connector accommodating portion, the extrusion end is squeezed to separate the sealing tubular section from the sealing member, and a flow gap is provided between the sealing tubular section and the inner wall of the valve body accommodating portion, so that the interior of the three-way quick connector is conducted;

[0010] One end of the compression spring is fixed in the movable valve, and the other end is fixed in the connecting handle; when the male connector is pulled out, the compression spring pushes the extrusion end and the sealing tubular section into the male connector accommodating portion, so that the sealing tubular section and the sealing member are tightly fitted and sealed, thereby sealing the male connector insertion port;

[0011] The connecting handle includes a first pipeline interface coaxially arranged with the housing and a second pipeline interface arranged on one side of the first pipeline interface. When the male plug is pulled out of the quick connector when there is liquid in the pipeline, the liquid that cannot flow out of the male connector socket can flow to the second pipeline interface.

[0012] Furthermore, the extrusion end includes a plurality of axial reinforcing ribs extending from the head end of the self-sealing tubular section toward the head portion, each axial reinforcing rib is an isosceles trapezoidal structure with a narrow head portion and a wide tail portion, an outer end face being an inclined face, and an inner end face being a right-angle face, and the inner end faces of the axial reinforcing ribs are connected as a whole to form a star-shaped structure; and flow grooves are formed between the side faces of each axial reinforcing rib.

[0013] Furthermore, the inner side surface of the sealing member has two circles of semicircular raised first sealing parts, and when the male connector is connected to the quick connector, the first sealing parts are compressed to form a sealed pipe section.

[0014] Furthermore, the outer side of the seal has three circles of semicircular raised second sealing parts, and when the male connector is connected to the quick connector, the second sealing parts and the inner wall of the quick connector housing in contact with the second sealing parts are squeezed and sealed, thereby achieving a sealing effect.

[0015] Furthermore, the outer surface of the male connector is provided with a buckle convex ring for cooperating with the buckle button;

[0016] The buckle button includes a button portion that cooperates with the finger to press, a button spring and a crescent shovel structure for cooperating with the buckle convex ring; when the button portion presses the button spring, the crescent shovel structure releases the buckle convex ring, and the male connector can move in and out freely; when the button portion is released, the button spring drives the button portion and the crescent shovel structure to automatically reset.

[0017] Furthermore, the stop ring and the male connector are made of nylon.

[0018] The button spring and the compression spring are made of metal materials which are corrosion-resistant, wear-resistant, not easy to deform and have stable chemical properties.

[0019] The beneficial effects of the utility model are: providing a three-way quick connector with a liquid discharge function for a liquid cooling pipeline system, which can guide the fluid to another pipeline when the connection between the male connector and the quick connector is released and there is fluid in the pipeline, has a simple structure, and can be automatically closed when pulled out. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 An overview of the parts of the three-way quick connector with drainage function for the liquid cooling pipe system;

[0021] Figure 2 This is the assembly drawing of some parts of the three-way quick connector;

[0022] Figure 3 It is a schematic diagram of the seal structure;

[0023] Figure 4 This is a schematic diagram of the stop ring structure;

[0024] Figure 5 It is a schematic diagram of the structure of the movable valve;

[0025] Figure 6 It is a schematic diagram of the structure of the buckle button part;

[0026] Figure 7 It is a schematic diagram of the male connector structure;

[0027] Figure 8 The figure is a schematic diagram of the overall structure of a three-way quick connector with drainage function for a liquid cooling pipeline system.

[0028] In the figure: 1 is a button spring, 2 is a shell, 3 is a male connector, 4 is a button part, 5 is a stop ring, 6 is a sealing member, 7 is a movable valve, 8 is a compression spring, 9 is an insertion port of the male connector, 10 is a limiting groove of a buckling structure of a stop ring, 11 is a buckle button, 12 is a second pipeline interface, 13 is a first sealing portion, 14 is a second sealing portion, 15 is a buckling structure, 16 is an axial reinforcement rib, 17 is a flow groove, 18 is an inclined surface, 19 is a flow hole, 20 is a first pipeline interface, 21 is a crescent shovel structure, 22 is a buckle convex ring, and 23 is a first limiting step. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings.

[0030] like Figure 1-8As shown, a three-way quick connector with a drainage function for a liquid cooling pipeline system includes a housing 2, and the housing 2 includes a button receiving portion for receiving a buckle button 11, a male connector receiving portion for receiving a male connector 3, and a connecting handle for connecting a pipe body from the head end to the tail end. The buckle button 11 for locking the male connector 3 and the housing 2 is arranged in the button receiving portion.

[0031] The housing 2 further comprises a valve body receiving portion located between the male connector receiving portion and the handle.

[0032] A stop ring 5 and a sealing member 6 are arranged in the male connector accommodating portion, a movable valve 7 is arranged in the valve body accommodating portion, and a compression spring 8 is arranged in the connecting handle.

[0033] A first limiting step 23 is provided on the inner wall of the housing 2 where the valve body accommodating portion and the male connector accommodating portion are connected. The sealing member 6 is an annular sealing member, and the rear end surface of the sealing member 6 contacts the first limiting step 23 for limiting position.

[0034] A stop ring buckling structure limiting groove 10 is provided on the inner wall of the shell 2 corresponding to the male connector accommodating portion, and a buckling structure 15 inclined toward the outside is provided on the outer surface of the stop ring 5. After the stop ring 5 is matched and buckled with the stop ring buckling structure limiting groove 10 through the buckling structure 15, it contacts and limits the head end face of the seal 6.

[0035] The movable valve 7 is provided with an extrusion end provided with a flow groove 17 inserted into the male connector receiving portion, a sealing tubular section for sealingly connecting with the sealing member 6, and a flow section provided with a flow hole 19 in sequence from the head end to the tail end. When the male connector 3 is inserted into the male connector receiving portion, the extrusion end is squeezed to separate the sealing tubular section from the sealing member, and a flow gap is provided between the sealing tubular section and the inner wall of the valve body receiving portion, so that the interior of the three-way quick connector is conducted.

[0036] One end of the compression spring 8 is fixed in the movable valve 7, and the other end is fixed in the connecting handle. When the male connector is pulled out, the compression spring pushes the extrusion end and the sealing tubular section into the male connector accommodating portion, so that the sealing tubular section and the sealing member are tightly fitted and sealed, thereby sealing the male connector insertion port 9.

[0037] The connecting handle includes a first pipeline interface 20 coaxially arranged with the housing 2 and a second pipeline interface 12 arranged on one side of the first pipeline interface 20. When the male plug is pulled out of the quick connector under the condition that there is liquid in the pipeline, the fluid on one side of the male connector is automatically sealed, and the liquid that cannot flow out of the male connector socket can flow to the second pipeline interface. When the male connector is inserted, the seal is released.

[0038] like Figure 5As shown, the extrusion end includes a plurality of axial reinforcing ribs 16 extending from the head end of the sealing tubular section toward the head, each axial reinforcing rib 16 is an isosceles trapezoidal structure with a narrow head and a wide tail, an outer end face is an inclined surface 18, and an inner end face is a right-angled surface, and the inner end faces of the axial reinforcing ribs 16 are connected as a whole to form a star-shaped structure. A flow groove 17 is formed between the side faces of each axial reinforcing rib 16.

[0039] like Figure 3 As shown, the inner side of the seal 6 has two circles of semicircular raised first sealing parts 13, and when the male connector is connected to the quick connector, the first sealing parts 13 are compressed to form a sealed pipe section. The outer side of the seal 6 has three circles of semicircular raised second sealing parts 14, and when the male connector is connected to the quick connector, the second sealing parts 14 and the inner wall of the quick connector housing 2 in contact with the second sealing parts 14 are squeezed and sealed, thereby achieving a sealing effect.

[0040] The outer surface of the male connector 3 is provided with a buckle convex ring 22 for cooperating with the buckle button 11. The buckle button 11 includes a button portion 4 for cooperating with a finger, a button spring 1, and a crescent shovel structure 21 for cooperating with the buckle convex ring 22. When the button portion 4 presses the button spring 1, the crescent shovel structure 21 releases the buckle convex ring 22, and the male connector 3 can move in and out freely. When the button portion 4 is released, the button spring 1 drives the button portion 4 and the crescent shovel structure 21 to automatically reset.

[0041] The stop ring 5 and the male connector 3 are made of nylon.

[0042] The button spring and the compression spring are made of metal materials which are corrosion-resistant, wear-resistant, not easy to deform and have stable chemical properties.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A three-way quick connector with a drainage function for a liquid cooling pipeline system, comprising a housing (2), wherein the housing (2) comprises, from the head end to the tail end, a button receiving portion for receiving a buckle button (11), a male connector receiving portion for receiving a male connector (3), and a connecting handle for connecting a pipe body; a buckle button (11) for locking the male connector (3) and the housing (2) is arranged in the button receiving portion; Features: The housing (2) further comprises a valve body accommodating portion located between the male connector accommodating portion and the connecting handle; A stop ring (5) and a sealing member (6) are arranged in the male connector accommodating portion, a movable valve (7) is arranged in the valve body accommodating portion, and a compression spring (8) is arranged in the connecting handle; A first limiting step (23) is provided on the inner wall of the housing (2) where the valve body accommodating portion and the male connector accommodating portion are connected, the sealing member (6) is an annular sealing member, and the rear end surface of the sealing member (6) contacts and limits the first limiting step (23); A stop ring buckling structure limiting groove (10) is provided on the inner wall of the housing (2) corresponding to the male connector accommodating portion, and a buckling structure (15) inclined toward the outside is provided on the outer surface of the stop ring (5). After the stop ring (5) is matched and buckled with the stop ring buckling structure limiting groove (10) through the buckling structure (15), it contacts and limits the head end surface of the sealing member (6); The movable valve (7) is provided with an extrusion end with a flow groove (17) inserted into the male connector receiving portion, a sealing tubular section for sealingly connecting with the sealing member (6), and a flow section with a flow hole (19) in sequence from the head end to the tail end; when the male connector (3) is inserted into the male connector receiving portion, the extrusion end is squeezed so that the sealing tubular section is separated from the sealing member, and a flow gap is formed between the sealing tubular section and the inner wall of the valve body receiving portion, thereby making the interior of the three-way quick connector conductive; One end of the compression spring (8) is fixed in the movable valve (7), and the other end is fixed in the connecting handle; when the male connector is pulled out, the compression spring pushes the extrusion end and the sealing tubular section into the male connector accommodating portion, so that the sealing tubular section and the sealing member are tightly fitted and sealed, thereby sealing the male connector insertion port (9); The connecting handle comprises a first pipeline interface (20) arranged coaxially with the housing (2) and a second pipeline interface (12) arranged on one side of the first pipeline interface (20).

2. A three-way quick connector with a drainage function for a liquid cooling pipeline system according to claim 1, characterized in that: The extrusion end comprises a plurality of axial reinforcing ribs (16) extending from the head end of the sealing tubular section toward the head end, each axial reinforcing rib (16) is an isosceles trapezoidal structure with a narrow head end and a wide tail end end, an outer end face is an inclined surface (18), and an inner end face is a right-angled surface, and the inner end faces of the axial reinforcing ribs (16) are connected as a whole to form a star-shaped structure; and a flow groove (17) is formed between the side faces of each axial reinforcing rib (16).

3. The three-way quick connector with drainage function for a liquid cooling pipeline system according to claim 1, characterized in that: The inner side surface of the sealing member (6) is provided with two circles of semicircular raised first sealing parts (13), and when the male connector is connected to the quick connector, the first sealing parts (13) are compressed to form a sealed pipe section.

4. A three-way quick connector with a drainage function for a liquid cooling pipeline system according to claim 1, characterized in that: The outer side surface of the sealing member (6) is provided with three circles of semicircular raised second sealing portions (14); when the male connector is connected to the quick connector, the second sealing portions (14) are squeezed and sealed with the inner wall of the quick connector housing (2) in contact with the second sealing portions (14).

5. The three-way quick connector with drainage function for a liquid cooling pipeline system according to claim 1, characterized in that: The outer surface of the male connector (3) is provided with a buckle convex ring (22) for cooperating with the buckle button (11); The buckle button (11) comprises a button portion (4) that cooperates with a finger to press, a button spring (1), and a crescent shovel structure (21) that is used to cooperate with the buckle convex ring (22); when the button portion (4) presses the button spring (1), the crescent shovel structure (21) releases the buckle convex ring (22), and the male connector (3) can move in and out freely; when the button portion (4) is released, the button spring (1) drives the button portion (4) and the crescent shovel structure (21) to automatically reset.

6. A three-way quick connector with a drainage function for a liquid cooling pipeline system according to claim 1, characterized in that: The stop ring (5) and the male connector (3) are made of nylon.