Separating type double-cavity connector
The screw connection design of the threaded sleeve and locking sleeve of the separate double-cavity connector solves the problems of difficult assembly and leakage of the existing double-cavity drainage tube connector, achieves rapid assembly and stable use, and reduces the risk of cross infection.
Patent Information
- Application Number
- CN202422100356.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-09-05
- Estimated Expiration
- 2034-08-28
AI Technical Summary
Existing double-lumen drainage tube connectors are difficult to assemble, which can easily lead to liquid leakage and cross infection, affecting patient recovery and increasing economic losses.
It adopts a split double-chamber joint design, which is connected by screw sleeve and locking sleeve, combined with sealing ring and positioning components to achieve rapid assembly and air tightness. The connecting frame and pipe clamp ensure stability.
The rapid assembly and air tightness of the double-cavity connector are achieved, the stability of use is improved, the risk of liquid leakage is reduced, and the possibility of cross infection is reduced.
Smart Images

Figure CN223299427U_ABST
Abstract
Description
Technical Field
[0008] , , ,
[0009]
[0001] The utility model relates to the technical field of drainage tube connectors, especially a separable double - cavity connector. Background Art
[0002] The double - cavity drainage tube connector is a kind of instrument accessory used in the medical field. It is usually used to connect the double - cavity drainage tube and other medical devices.
[0003] Chinese Patent Publication No. CN209333007U, publication date September 3, 2019, discloses a connector for converting a single - cavity drainage tube into a double - cavity drainage tube, including a straight - tube connector and a side - tube connector connected in a "卜" - shaped manner. The side - tube connector is a double - sleeve structure. The inner - sleeve cavity of the side - tube connector is connected to the lumen of the straight - tube connector. The outer - sleeve cavity of the side - tube connector is filled with a waterproof filter material. The outer - side end of the outer - sleeve cavity is provided with a cover body with air holes, and the inner - side end is the tube body of the straight - tube connector with air holes corresponding thereto.
[0004] For existing drainage tube connectors such as the above, due to the special structure of the double - cavity tube, it is difficult to assemble. In case of improper assembly, liquid leakage is likely to occur at the joint, which is likely to cause cross - infection, delay the patient's recovery time, and also cause unnecessary economic losses. Therefore, it is urgent to propose a corresponding separable double - cavity connector to solve the above problems. Content of the Utility Model [[ID=
[0010] Preferably, two groups of the connecting frames are provided, and the open ends of the two groups of connecting frames are provided with pipe clamps.
[0011] Preferably, a baffle is fixedly connected to a side of the first screw sleeve away from the second screw sleeve, and the open end of the locking sleeve abuts against the baffle.
[0012] Preferably, the positioning assembly includes multiple groups of partition petals, the drainage tube is inserted between the drainage connector and the multiple groups of partition petals, and the inner surface wall of the vertical end of the locking sleeve abuts against the outer surface wall of the multiple groups of partition petals.
[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:
[0014] 1. In the present application, the drainage joint and the connecting joint are assembled first, the flushing head is inserted into the injection hole, the drainage channel is aligned with the drainage hole, and the sealing ring on the outside of the second screw sleeve abuts against the outer wall of the first screw sleeve. The locking sleeve is rotated to simultaneously engage with the first and second screw sleeves until the open end of the locking sleeve abuts against the outer wall of the baffle. At this time, the connecting joint and the drainage joint are fixed, and the inner wall of the locking sleeve will realize the contraction of multiple groups of septa in this process, thereby realizing the installation of the drainage tube, thereby realizing the rapid assembly of the double-cavity joint while ensuring the air tightness between the connecting joint and the drainage joint.
[0015] 2. In the present application, after the connecting pipe and the flushing pipe are connected to the branch pipe corresponding to the connecting joint, the pipe clamps on the two sets of connecting frames can be respectively combined to the outside of the connecting pipe and the flushing pipe, so as to ensure the stability of the connection between the connecting pipe and the flushing pipe and the connecting joint, thereby improving the stability of the use of the separate double-cavity joint. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 Shows a schematic diagram of the overall structure provided according to an embodiment of the utility model;
[0017] Figure 2 A schematic structural diagram of a locking sleeve according to an embodiment of the present utility model is shown;
[0018] Figure 3 A schematic structural diagram of a connecting frame provided according to an embodiment of the present utility model is shown;
[0019] Figure 4 A schematic diagram of the septum flap structure provided according to an embodiment of the present utility model is shown.
[0020] Legend:
[0021] 1. Drainage tube; 2. Locking sleeve; 3. Flow connection joint; 4. Flow connection tube; 5. Flushing tube; 6. Drainage hole; 7. Injection hole; 8. Flushing head; 9. Drainage channel; 10. Screw sleeve 1; 11. Screw sleeve 2; 12. Baffle; 13. Sealing ring; 14. Connecting frame; 15. Pipe clamp; 16. Partition flap; 17. Drainage connection joint. DETAILED DESCRIPTION
[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1-4 , the utility model provides a technical solution:
[0024] A detachable double-lumen connector includes a drainage tube 1, a connector body, a flow connection tube 4, and a flushing tube 5. The connector body includes a flow connection connector 3 and a drainage connector 17 that are aligned and connected. The outer walls of the flow connection connector 3 and the drainage connector 17 are respectively fixedly connected with a screw sleeve 2 11 and a screw sleeve 1 10. The outer wall of the screw sleeve 2 11 is fixedly connected with a sealing ring 13 that abuts against the screw sleeve 10. The outer walls of the screw sleeve 10 and the screw sleeve 2 11 are screwed together with a locking sleeve 2, and a positioning component for positioning the drainage tube 1 is provided between the inner wall of the locking sleeve 2 and the drainage connector 17.
[0025] First, assemble the drainage joint 17 and the connecting joint 3, insert the flushing head 8 into the injection hole 7, and align the drainage channel 9 with the drainage hole 6. At this time, the sealing ring 13 on the outside of the screw sleeve 11 abuts against the outer wall of the screw sleeve 10, and rotate the locking sleeve 2 so that it is screwed with the screw sleeve 10 and the screw sleeve 2 11 at the same time, until the open end of the locking sleeve 2 abuts against the outer wall of the baffle 12. At this time, the connecting joint 3 and the drainage joint 17 are fixed, and the inner wall of the locking sleeve 2 will realize the contraction of multiple groups of septum flaps 16 in this process, thereby realizing the installation of the drainage tube 1, thereby realizing the rapid assembly of the double-cavity joint while ensuring the air tightness between the connecting joint 3 and the drainage joint 17.
[0026] Specifically, such as Figure 2 and Figure 4As shown, the drainage joint 17 is provided with a drainage hole 6 and an injection hole 7, and the connecting joint 3 is provided with a flushing head 8 and a drainage channel 9. The flushing head 8 is inserted into the injection hole 7, and the drainage channel 9 is connected to the drainage hole 6 in alignment, and the flushing head 8 and the drainage channel 9 are respectively connected to the flushing tube 5 and the connecting tube 4, so as to ensure the stable use of the double-cavity joint. The outer wall of the screw sleeve 10 is fixedly connected with a connecting frame 14, and the connecting frame 14 is connected to the outer wall fixed tube through a fastening rod, so as to ensure the convenience of disassembly and assembly of the screw sleeve 10.
[0027] Specifically, such as Figure 2 and Figure 3 As shown, two groups of connecting frames 14 are provided, and the open ends of the two groups of connecting frames 14 are provided with pipe clamps 15. The pipe clamps 15 here adopt the shrinkable pipe copper clamps in the prior art. After the connecting pipe 4 and the flushing pipe 5 are connected to the branch pipes corresponding to the connecting joint 3, the pipe clamps 15 on the two groups of connecting frames 14 can be respectively combined with the outside of the connecting pipe 4 and the flushing pipe 5, so as to ensure the stability of the connection between the connecting pipe 4 and the flushing pipe 5 and the connecting joint 3, thereby improving the stability of the use of the separate double-cavity joint.
[0028] Specifically, such as Figure 1 and Figure 2 As shown, a baffle 12 is fixedly connected to the side of the screw sleeve 10 away from the screw sleeve 2 11, and the open end of the locking sleeve 2 abuts against the baffle 12, thereby limiting the rotation period of the locking sleeve 2. The positioning assembly includes multiple groups of partition flaps 16, the drainage tube 1 is inserted between the drainage joint 17 and the multiple groups of partition flaps 16, and the inner surface wall of the vertical end of the locking sleeve 2 abuts against the outer surface wall of the multiple groups of partition flaps 16. When the locking sleeve 2 is simultaneously combined with the screw sleeve 10 and the screw sleeve 2 11, the inner surface wall of the locking sleeve 2 will realize the contraction of the multiple groups of partition flaps 16, thereby realizing the installation of the drainage tube 1.
[0029] Working principle: First, assemble the drainage joint 17 and the flow connection joint 3, insert the flushing head 8 into the injection hole 7, and align the drainage channel 9 with the drainage hole 6. At this time, the sealing ring 13 on the outside of the screw sleeve 11 abuts against the outer wall of the screw sleeve 10, and rotate the locking sleeve 2 to screw it with the screw sleeve 10 and the screw sleeve 2 11 at the same time until the open end of the locking sleeve 2 abuts against the outer wall of the baffle 12. At this time, the flow connection joint 3 and the drainage joint 17 are fixed, and the inner wall of the locking sleeve 2 will realize multiple sets of septa in this process. 16 contracts to realize the installation of the drainage tube 1, thereby realizing the rapid assembly of the double-cavity joint, and ensuring the air tightness between the flow joint 3 and the drainage joint 17. After the flow joint 4 and the flushing pipe 5 are connected to the branch pipe corresponding to the flow joint 3, the pipe clamps 15 on the two sets of connecting frames 14 can be respectively combined with the outside of the flow joint 4 and the flushing pipe 5, so as to ensure the stability of the connection between the flow joint 4 and the flushing pipe 5 and the flow joint 3, thereby improving the stability of the use of the detachable double-cavity joint.
[0030] The above description of the embodiments is intended to enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A detachable double-lumen connector, comprising a drainage tube (1), a connector body, a connecting tube (4) and a flushing tube (5), characterized in that: The joint body comprises a flow connection joint (3) and a drainage joint (17) that are in alignment and conduction, wherein the outer walls of the flow connection joint (3) and the drainage joint (17) are respectively fixedly connected with a second screw sleeve (11) and a first screw sleeve (10), the outer wall of the second screw sleeve (11) is fixedly connected with a sealing ring (13) that abuts against the first screw sleeve (10), and the outer walls of the first screw sleeve (10) and the second screw sleeve (11) are screwed together with a locking sleeve (2), and a positioning component for positioning the drainage tube (1) is provided between the inner wall of the locking sleeve (2) and the drainage joint (17).
2. The detachable dual-cavity connector according to claim 1, characterized in that: The drainage joint (17) is provided with a drainage hole (6) and an injection hole (7) inside, and the connection joint (3) is provided with a flushing head (8) and a drainage channel (9) inside. The flushing head (8) is inserted into the injection hole (7), and the drainage channel (9) is connected to the drainage hole (6) in a corresponding position. The flushing head (8) and the drainage channel (9) are respectively connected to the flushing pipe (5) and the connection pipe (4).
3. The detachable dual-cavity connector according to claim 2, characterized in that: The outer wall of the screw sleeve (10) is fixedly connected with a connecting frame (14), and the connecting frame (14) is connected to the outer wall fixing pipe through a fastening rod.
4. The detachable dual-cavity connector according to claim 3, characterized in that: Two groups of connecting frames (14) are provided, and the open ends of the two groups of connecting frames (14) are both provided with pipe clamps (15).
5. The detachable dual-cavity connector according to claim 4, characterized in that: A baffle (12) is fixedly connected to the side of the first screw sleeve (10) away from the second screw sleeve (11), and the open end of the locking sleeve (2) is in contact with the baffle (12).
6. The detachable dual-cavity connector according to claim 5, characterized in that: The positioning assembly comprises a plurality of septum flaps (16), the drainage tube (1) is inserted between the drainage joint (17) and the plurality of septum flaps (16), and the inner surface wall of the vertical end of the locking sleeve (2) abuts against the outer surface wall of the plurality of septum flaps (16).
Citation Information
Patent Citations
And single-cavity drainage tube is modified into double-cavity drainage tube joint
CN209333007U