Drainage connector convenient to disassemble and assemble

By designing a drainage joint that is easy to disassemble, the hose locking is achieved by combining the convex ring and the locking ring, and the interface is quickly replaced by the design of the installation cavity and locking block, solving the problems of low freedom and poor sealing effect of the traditional joint, improving the convenience and stability of the joint.

CN222998086UActive Publication Date: 2025-06-20YANTAI SAIDA MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202421689791.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-06-20
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

The traditional drainage pipe special joint has a relatively average degree of freedom, poor sealing effect, and one of the joints cannot be replaced freely according to actual needs.

Method used

A drainage joint is designed to facilitate disassembly and assembly. The main inlet pipe and the hose on the extrusion chamber are squeezed and locked through the cooperation of the convex ring and the locking ring, and the interface is quickly replaced by the design of the installation chamber and the locking block.

Benefits of technology

It improves the convenience and stability of the joints, realizes a more flexible joint combination, enhances the sealing effect, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222998086U_ABST
    Figure CN222998086U_ABST
Patent Text Reader

Abstract

The utility model discloses a drainage joint convenient to disassemble and assemble, which belongs to the technical field of joints, a main liquid inlet pipe and a first flow guide pipe are respectively arranged on two sides of a main body, an inclined second flow guide pipe is further arranged on the side surface of the main body, a convex ring matched with the main liquid inlet pipe is further arranged on the side surface of the main body, and an extrusion cavity is formed between the main liquid inlet pipe and the convex ring. The convex ring is in threaded connection with a locking ring; a connector is detachably mounted at the end of the second flow guide pipe, a lower locking boss is arranged at the top of the second flow guide pipe, an upper locking boss matched with the connector is arranged at the bottom of the connector, multiple sets of mounting cavities are formed in the lower locking boss, and multiple sets of locking blocks movably arranged in the mounting cavities are fixedly connected to the bottom of the upper locking boss. The main liquid inlet pipe and the hose on the extrusion cavity can be extruded and locked through the convex ring and the locking ring, the connector can be rapidly replaced through the mounting cavity and the locking block, the locking stability can be improved through the design of the locking cavity and the horizontal part, and the practicability is improved through the structure.
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Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a drainage connector convenient for disassembly and assembly. Background Art

[0002] A drainage tube is used for clinical surgical drainage, guiding pus, blood, and fluid accumulated in human tissues or body cavities to the outside of the body, and is a medical device to prevent postoperative infection and promote wound healing. There are many types of surgical drainage tubes used clinically, some for urinary catheterization, some for wounds, and they are also used in the chest cavity, brain cavity, gastrointestinal tract, biliary tract, etc. Surgical drainage aims to guide pus, blood, and fluid accumulated in human tissues or body cavities to the outside of the body to prevent postoperative infection and affect wound healing. The drainage tube is generally made of materials such as silicone rubber or polyurethane. When in use, one end of the catheter is inserted into the drainage site in the body or on the wound surface, and the other end can be connected to other external devices such as a drainage adapter outside the body, and drains to the outside through the action of pressure such as internal body pressure, gravity, or negative pressure suction.

[0003] The patent with the publication number CN216536329U discloses a special connector for a multi-channel drainage tube, which is characterized in that: one end of the connector body includes a drug administration connection end and a drainage connection end connected to the drug administration channel and the drainage channel of the multi-channel drainage tube. The drug administration connection end is a tubular body, and the drainage connection end is a tapered tube with a crescent-shaped cross-sectional outer shape. The circumscribed frustum formed by the drug administration connection end and the drainage connection end intersects, and the root of the drug administration connection end is located within the lower bottom surface of the frustum. The connector body also includes a drug administration outer port and a drainage outer port. The drug administration connection end and the drug administration outer port form a drug administration independent channel through the channel in the connector body, and the drainage connection end and the drainage outer port form a drainage independent channel through the channel in the connector body. This utility model is convenient to operate, has reliable sealing, and adapts to the development trend of surgical methods.

[0004] The freedom degree of the special connector for the drainage tube in the above comparative document is general, and the airtight effect is poor. It cannot freely replace one group of connectors according to actual needs. Therefore, a drainage connector convenient for disassembly and assembly is designed here to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a drainage connector convenient for disassembly and assembly in order to solve the problems that the freedom degree of the traditional special connector for the drainage tube is general, the airtight effect is poor, and one group of connectors cannot be freely replaced according to actual needs.

[0006] To achieve the above object, the technical solution of the present utility model is: a drainage connector convenient for disassembly and assembly, including a main body. On both sides of the main body, a main liquid inlet pipe and a first diversion pipe are respectively arranged. On the side of the main body, an inclined second diversion pipe is also arranged. On the side of the main body, a convex ring cooperating with the main liquid inlet pipe is also arranged. An extrusion cavity is formed between the main liquid inlet pipe and the convex ring. A locking ring is threadedly connected to the convex ring. The end of the second diversion pipe is detachably installed with an interface. A lower locking boss is arranged at the top of the second diversion pipe. An upper locking boss cooperating with it is arranged at the bottom of the interface. A plurality of installation cavities are formed inside the lower locking boss. A plurality of locking blocks movably arranged in the installation cavities are fixedly connected to the bottom of the upper locking boss.

[0007] As a further scheme of the present utility model: the convex ring is designed to incline outward, and a plurality of slits are formed on the convex ring.

[0008] As a further scheme of the present utility model: mutually cooperating threads are arranged on the outer side of the convex ring and the inner wall of the locking ring.

[0009] As a further scheme of the present utility model: a plurality of anti-slip grooves are formed on the outer walls of the main liquid inlet pipe and the first diversion pipe, and a contraction part is arranged at the end of the main liquid inlet pipe and the first diversion pipe.

[0010] As a further scheme of the present utility model: the installation cavity includes a vertically arranged telescopic cavity, and a horizontally arranged locking cavity is formed on the side of the telescopic cavity; the locking block includes a vertical part and a horizontal part. When the interface is installed at the end of the second diversion pipe, the horizontal part is locked in the locking cavity.

[0011] As a further scheme of the present utility model: the main body can be set as a rhombus structure.

[0012] As a further scheme of the present utility model: a one-way valve is also arranged inside the interface.

[0013] As a further scheme of the present utility model: the inside of the main body is set as a double-channel of a first channel and a second channel. The first channel is communicated with the second diversion pipe, and the second channel is communicated with the first diversion pipe; a secondary liquid inlet pipe communicated with the first channel is also arranged in the extrusion cavity.

[0014] The present utility model provides a drainage connector convenient for disassembly and assembly through improvement. Compared with the prior art, it has the following improvements and advantages:

[0015] The utility model can squeeze and lock the main liquid inlet pipe and the hose on the extrusion cavity through the cooperation of the convex ring and the locking ring, and can quickly replace the interface through the design of the installation cavity and the locking block. Then, through the design of the locking cavity and the horizontal part, the stability during locking can be improved. The structure is simple and easy to maintain, which further improves the practicability and stability of the drainage connector that is convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further explained below in conjunction with the drawings and embodiments:

[0017] Figure 1 is a three-dimensional structure diagram of the present utility model;

[0018] Figure 2 is an exploded view of the present utility model;

[0019] Figure 3 is a three-dimensional structure diagram of the interface in the present utility model;

[0020] Figure 4 is a three-dimensional structure diagram of the main body in the present utility model;

[0021] Figure 5 is a cross-sectional view of the present utility model.

[0022] Description of the reference numerals in the drawings:

[0023] 1. Main body; 2. Main liquid inlet pipe; 3. First diversion pipe; 4. Second diversion pipe; 5. Convex ring; 6. Extrusion cavity; 7. Gap; 8. Locking ring; 9. Thread; 10. Anti-slip groove; 11. Shrinkage part; 12. Interface; 13. Lower locking boss; 14. Installation cavity; 15. Telescopic cavity; 16. Locking cavity; 17. Upper locking boss; 18. Locking block; 19. Vertical part; 20. Horizontal part; 21. Check valve; 22. Auxiliary liquid inlet pipe; 23. First channel; 24. Second channel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will be combined with the attached Figures 1 to 5 The present utility model will be described in detail. The technical solutions in the embodiments of the present utility model are clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] The present utility model provides a drainage connector that is convenient for disassembly and assembly through improvement, as Figures 1 - 5As shown in the figure, a drainage connector that is convenient for disassembly and assembly includes a main body 1. A main liquid inlet pipe 2 and a first diversion pipe 3 are respectively arranged on both sides of the main body 1. An inclined second diversion pipe 4 is also arranged on the side surface of the main body 1. A convex ring 5 that cooperates with the main liquid inlet pipe 2 is further arranged on the side surface of the main body 1. An extrusion cavity 6 is formed between the main liquid inlet pipe 2 and the convex ring 5. A locking ring 8 is threadedly connected to the convex ring 5. A connector 12 is detachably installed at the end of the second diversion pipe 4. A lower locking boss 13 is arranged at the top of the second diversion pipe 4. An upper locking boss 17 that cooperates with it is arranged at the bottom of the connector 12. Multiple installation cavities 14 are formed inside the lower locking boss 13. Multiple locking blocks 18 that are movably arranged inside the installation cavities 14 are fixedly connected to the bottom of the upper locking boss 17.

[0026] Through the cooperation of the convex ring 5 and the locking ring 8, the utility model can squeeze and lock the hose on the main liquid inlet pipe 2 and the extrusion cavity 6, and through the design of the installation cavities 14 and the locking blocks 18, the connector 12 can be quickly replaced. Then, through the design of the locking cavity 16 and the horizontal part 20, the stability during locking can be improved. The structure is simple and easy to maintain, which further improves the practicability and stability of the drainage connector that is convenient for disassembly and assembly.

[0027] Refer to the appendix Figure 1 -appendix Figure 2 , the convex ring 5 is designed to be inclined outward. Multiple gaps 7 are formed on the convex ring 5. Threads 9 that cooperate with each other are arranged on the outer side of the convex ring 5 and the inner wall of the locking ring 8.

[0028] In this embodiment: Due to the design that the convex ring 5 is inclined outward, when the locking ring 8 is tightened outward along the convex ring 5, the convex ring 5 will be squeezed inward, thereby locking the hose in the extrusion cavity 6.

[0029] Refer to the appendix Figure 1 -appendix Figure 2 , multiple anti-slip grooves 10 are formed on the outer walls of the main liquid inlet pipe 2 and the first diversion pipe 3. A shrinking part 11 is arranged at the end of the main liquid inlet pipe 2 and the first diversion pipe 3.

[0030] In this embodiment: In order to improve the stability of the hose and increase the friction, the anti-slip grooves 10 are designed. In order to facilitate the installation of the hose, the shrinking part 11 is designed.

[0031] Refer to the appendix Figure 2 -appendix Figure 4 , the installation cavity 14 includes a vertically arranged telescopic cavity 15. A horizontally arranged locking cavity 16 is formed on the side surface of the telescopic cavity 15. The locking block 18 includes two parts, a vertical part 19 and a horizontal part 20. When the connector 12 is installed at the end of the second diversion pipe 4, the horizontal part 20 is locked in the locking cavity 16.

[0032] In this embodiment: In order to quickly disassemble and assemble the interface 12, so that the main body 1 can be reused. When disassembly is required, first rotate the interface 12 counterclockwise. After the horizontal portion 20 disengages from the locking cavity 16, then pull out the interface 12 outward. In addition, designing the second diversion tube 4 as an inclined structure is beneficial to the flow of liquid.

[0033] Refer to the appendix Figure 1 - appendix Figure 5 , the main body 1 can be set as a rhombic structure, and a one-way valve 21 is further arranged inside the interface 12.

[0034] In this embodiment: In order to increase the friction and facilitate the rotation of the main body 1, it can be designed as a rhombic structure. In order to control the one-way flow of the liquid medicine, a one-way valve 21 is further arranged inside the interface 12.

[0035] Refer to the appendix Figure 5 , the inside of the main body 1 is provided with a dual-channel structure of a first channel 23 and a second channel 24. The first channel 23 is communicated with the second diversion tube 4, and the second channel 24 is communicated with the first diversion tube 3; a secondary liquid inlet pipe 22 communicated with the first channel 23 is further arranged inside the extrusion cavity 6.

[0036] In this embodiment: In order to make the secondary liquid inlet pipe 22 communicate independently with the second diversion tube 4, and make the main liquid inlet pipe 2 communicate independently with the first diversion tube 3, the inside of the main body 1 is set as a dual-channel structure.

[0037] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drainage joint that is easy to disassemble and assemble, characterized in that: The invention comprises a main body (1), wherein two sides of the main body (1) are respectively provided with a main liquid inlet pipe (2) and a first flow guide pipe (3), and a side surface of the main body (1) is also provided with an inclined second flow guide pipe (4). The side surface of the main body (1) is also provided with a convex ring (5) cooperating with the main liquid inlet pipe (2), an extrusion cavity (6) is formed between the main liquid inlet pipe (2) and the convex ring (5), and a locking ring (8) is installed on the convex ring (5); an interface (12) is detachably installed at the end of the second flow guide pipe (4), a lower locking boss (13) is provided at the top of the second flow guide pipe (4), an upper locking boss (17) cooperating therewith is provided at the bottom of the interface (12), a plurality of installation cavities (14) are provided inside the lower locking boss (13), and a plurality of locking blocks (18) movably arranged in the installation cavities (14) are fixedly connected to the bottom of the upper locking boss (17).

2. The drainage joint that is easy to disassemble and assemble according to claim 1, characterized in that: The convex ring (5) is designed to be inclined outward, and a plurality of groups of slits (7) are provided on the convex ring (5).

3. The drainage joint that is easy to disassemble and assemble according to claim 2, characterized in that: Mutually matching threads (9) are provided on the outer side of the convex ring (5) and the inner wall of the locking ring (8).

4. The drainage joint that is easy to disassemble and assemble according to claim 1, characterized in that: A plurality of groups of anti-slip grooves (10) are provided on the outer walls of the main liquid inlet pipe (2) and the first flow guide pipe (3), and contraction portions (11) are provided at the ends of the main liquid inlet pipe (2) and the first flow guide pipe (3).

5. The drainage joint that is easy to disassemble and assemble according to claim 1, characterized in that: The installation cavity (14) comprises a telescopic cavity (15) arranged vertically, and a locking cavity (16) arranged horizontally is provided on a side of the telescopic cavity (15); the locking block (18) comprises a vertical portion (19) and a horizontal portion (20); when the interface (12) is installed at the end of the second flow guide pipe (4), the horizontal portion (20) is locked in the locking cavity (16).

6. The drainage joint that is easy to disassemble and assemble according to claim 1, characterized in that: The main body (1) can be configured as a prismatic structure.

7. The drainage joint that is easy to disassemble and assemble according to claim 1, characterized in that: A one-way valve (21) is also provided inside the interface (12).

8. The drainage joint that is easy to assemble and disassemble according to claim 1, characterized in that: The interior of the main body (1) is configured as a double channel of a first channel (23) and a second channel (24); the first channel (23) is in communication with the second flow guide tube (4), and the second channel (24) is in communication with the first flow guide tube (3); and the extrusion chamber (6) is also provided with a secondary liquid inlet tube (22) in communication with the first channel (23).

Citation Information

Patent Citations

  • Special joint for multi-channel drainage tube

    CN216536329U