Insulin pump flow detection assembly with quick disconnect interface

Abstract

The utility model discloses a kind of insulin pump flow detection components with quick plug-in interface, including installation pipe, liquid flowmeter is installed in the installation pipe, the both ends of the installation pipe are respectively installed with first connecting pipe, second connecting pipe is inserted with screw thread in the first connecting pipe, the outer diameter of the flow pipe is greater than the outer diameter of first connecting pipe, the inner diameter of the flow pipe is less than the inner diameter of first connecting pipe, first sealing ring is arranged at the end of the flow pipe close to second connecting pipe, the first sealing ring is located in first connecting pipe, the first sealing ring is inserted into second connecting pipe by first connecting pipe screw thread and is resisted and fixed, the utility model solves the problem that traditional insulin pump flow detection components are mostly fixed interface or screw thread connection mode, fixed interface structure is complex in operation when replacing or maintaining, it is difficult to realize quick plug-in, screw thread connection structure is prone to loosening in connecting position under long-term use or external force.

Description

Technical Field

[0001] This utility model relates to the field of insulin pump technology, and in particular to an insulin pump flow detection component with a quick-plug interface. Background Technology

[0002] An insulin pump is a medical device used for continuous subcutaneous infusion of insulin, widely applied in blood glucose management for diabetic patients. One of its core functions is to deliver insulin stably and continuously into the patient's body through a precise flow control system. The flow detection component, a key component of the insulin pump system, is responsible for monitoring and regulating the flow rate of pancreatic fluid. The rationality of its structural design and the reliability of its connection methods directly affect the accuracy and safety of insulin infusion.

[0003] Currently, traditional insulin pump flow detection components mostly use fixed interfaces or threaded connections. Fixed interface structures are complicated to operate during replacement or maintenance and are difficult to quickly plug and unplug. Threaded connection structures are prone to loosening under long-term use or external force. Therefore, this utility model proposes an insulin pump flow detection component with a quick-plug interface to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an insulin pump flow detection component with a quick-plug interface.

[0005] To achieve the above objectives, this utility model provides an insulin pump flow detection component with a quick-connect interface, including an installation tube, a liquid flow meter installed inside the installation tube, first connecting tubes installed at both ends of the installation tube, a second connecting tube threaded into the first connecting tube, the outer diameter of the flow tube being larger than the outer diameter of the first connecting tube, the inner diameter of the flow tube being smaller than the inner diameter of the first connecting tube, a first sealing ring being provided at the end of the flow tube near the second connecting tube, the first sealing ring being located inside the first connecting tube, the first sealing ring being inserted into the second connecting tube through the thread of the first connecting tube to abut and fix it, and a reinforcing mechanism being provided between the first connecting tube and the second connecting tube to strengthen the connection between the two.

[0006] Furthermore, a horizontal tube is sealed and fixedly connected to the end of the second connecting tube away from the first connecting tube, and a flexible tube is sealed and fixedly provided at the outer ends of the two horizontal tubes respectively, one of which is connected to the insulin pump and the other is connected to the insulin indwelling needle.

[0007] Furthermore, the reinforcing mechanism includes a nut, which is fitted with the flow pipe for limiting. The outer diameter of the horizontal pipe is the same as the outer diameter of the first connecting pipe. The nut is sleeved on the first connecting pipe, and both the first connecting pipe and the horizontal pipe are threadedly fitted with the nut. The first connecting pipe and the horizontal pipe are installed together with the nut.

[0008] Furthermore, the outer wall of the first connecting pipe is provided with a third thread, and the end of the horizontal pipe near the first connecting pipe is provided with a fourth thread, both of which are threaded into the nut.

[0009] Furthermore, a limiting ring is fixedly sleeved on the horizontal tube, and a second sealing ring is provided on the side of the limiting ring near the nut. The second sealing ring is sleeved on the horizontal tube and is matched with the limiting ring for limiting. The nut is fixed by tightening it against the second sealing ring, and an anti-slip groove is provided on the outer wall of the nut.

[0010] Furthermore, branch pipes are fixedly connected to both ends of the installation pipe, a flow pipe is fixedly connected to the end of the branch pipe away from the installation pipe, and a first connecting pipe is fixedly connected to the end of the flow pipe away from the branch pipe.

[0011] Furthermore, the inner wall of the first connecting pipe is provided with a first thread, and the outer surface of the second connecting pipe is provided with a second thread that mates with the first thread.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This invention allows for direct engagement between the first thread on the inner wall of the first connecting tube and the second thread on the outer wall of the second connecting tube. The interface can be quickly inserted or removed by rotation without the need for complex tools. The outer diameter of the flow tube is larger than that of the first connecting tube, and the first sealing ring at its end is held in place by the second connecting tube. The first sealing ring fills the gap to achieve a liquid seal and prevent insulin leakage.

[0013] This utility model uses a nut to simultaneously connect with the third thread on the outer wall of the first connecting pipe and the fourth thread on the horizontal pipe, forming a secondary reinforcement at the interface and further improving the connection stability. The limiting ring on the horizontal pipe cooperates with the second sealing ring, and when the nut is tightened, it squeezes the second sealing ring, further enhancing the installation firmness of the horizontal pipe and the first connecting pipe. Attached Figure Description

[0014] To more clearly illustrate the solutions in this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is the front perspective view provided by this utility model; Figure 2 This is a side perspective view provided by this utility model; Figure 3 This is a bottom-view perspective view provided by this utility model; Figure 4 This is the front view provided by this utility model; Figure 5 This is an enlarged schematic diagram of part A provided by this utility model; Explanation of reference numerals in the attached figures: 1. Hose; 2. Installation tube; 3. Horizontal tube; 4. Limiting ring; 5. Flow tube; 6. Second sealing ring; 7. Second thread; 8. Second connecting tube; 9. Nut; 10. Anti-slip groove; 11. First sealing ring; 12. Third thread; 13. First connecting tube; 14. First thread; 15. Branch tube; 16. Fourth thread. Detailed Implementation

[0016] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0017] The terms "comprising" and "having," and any variations thereof, used in the specification, claims, and accompanying drawings of this utility model are intended to cover non-exclusive inclusion. The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this utility model are used to distinguish different objects, not to describe a specific order.

[0018] Please see Figure 1-5An insulin pump flow detection component with a quick-plug interface includes a mounting tube 2, a liquid flow meter installed inside the mounting tube 2, first connecting tubes 13 installed at both ends of the mounting tube 2, and branch tubes 15 fixedly connected to both ends of the mounting tube 2. A flow pipe 5 is fixedly connected to the end of the branch tube 15 away from the mounting tube 2, and the first connecting tube 13 is fixedly connected to the end of the flow pipe 5 away from the branch tube 15. The mounting tube 2 serves as the core mounting carrier for the liquid flow meter, which is used to monitor the flow rate of insulin in real time. 2. A branch tube 15 connects to the flow tube 5, forming a complete flow channel for insulin from input to output. A second connecting tube 8 is inserted into the internal thread of the first connecting tube 13. The inner wall of the first connecting tube 13 is provided with a first thread 14, and the outer surface of the second connecting tube 8 is provided with a second thread 7 that mates with the first thread 14. The design of the mating of the first thread 14 and the second thread 7 allows the second connecting tube 8 to be directly inserted into or unscrewed from the first connecting tube 13 by rotation, achieving quick insertion and removal of the interface. The outer diameter of the flow tube 5 is larger than the outer diameter of the first connecting tube 13. The inner diameter of the flow tube 5 is smaller than that of the first connecting tube 13. A first sealing ring 11 is provided at one end of the flow tube 5 near the second connecting tube 8. The first sealing ring 11 is located inside the first connecting tube 13. The first sealing ring 11 is inserted into the second connecting tube 8 through the thread of the first connecting tube 13 and is fixed against it. The design of the flow tube 5 with an outer diameter larger than that of the first connecting tube 13 and an inner diameter smaller than that of the first connecting tube 13 makes it a mounting base for the first sealing ring 11. When the thread of the second connecting tube 8 is inserted into the first connecting tube 13, its end abuts against the first sealing ring 11 and fixes it inside the first connecting tube 13. The elastic deformation of the sealing ring fills the gap to achieve a seal. At the same time, the physical limit enhances the stability of the threaded connection and prevents leakage caused by loosening of the thread under long-term use or external force. A reinforcement mechanism is provided between the first connecting tube 13 and the second connecting tube 8 to strengthen the connection between the two. A horizontal tube 3 is sealed and fixedly connected to the end of the second connecting tube 8 away from the first connecting tube 13. A hose 1 is sealed and fixedly provided at the outer ends of the two horizontal tubes 3 respectively. One hose 1 is connected to the insulin pump and the other hose 1 is connected to the insulin indwelling needle.

[0019] As an improvement to the above technical solution, the reinforcing mechanism includes a nut 9, which is fitted with a limiting fit to the flow pipe 5. The outer diameter of the horizontal pipe 3 is the same as the outer diameter of the first connecting pipe 13. The nut 9 is fitted onto the first connecting pipe 13, and both the first connecting pipe 13 and the horizontal pipe 3 are threadedly fitted with the nut 9. The first connecting pipe 13 and the horizontal pipe 3 are installed together with the nut 9. The outer wall of the first connecting pipe 13 is provided with a third thread 12, and the end of the horizontal pipe 3 near the first connecting pipe 13 is provided with a fourth thread 16. Both the third thread 12 and the fourth thread 16 are threadedly fitted with the nut 9. When the nut is tightened, it can form a connection between the first connecting pipe and the second connecting pipe 5. The secondary reinforcement of the threaded connection enhances the connection's firmness. A limiting ring 4 is fixedly sleeved on the horizontal pipe 3. A second sealing ring 6 is provided on the side of the limiting ring 4 near the nut 9. The second sealing ring 6 is sleeved on the horizontal pipe 3 and is in a limiting fit with the limiting ring 4. The nut 9 is fixed by tightening it against the second sealing ring 6. When the nut 9 is tightened and against the second sealing ring 6, the sealing ring is compressed and undergoes elastic deformation, increasing the tightening degree of the nut 9 and further enhancing the installation firmness of the horizontal pipe 3 and the first connecting pipe 13. The outer wall of the nut 9 is provided with an anti-slip groove 10 to facilitate manual tightening and improve insertion and removal efficiency.

[0020] The working principle and usage of this utility model: In use, insulin flows from the insulin pump through one of the tubing 1 into the horizontal tube 3, then sequentially through the second connecting tube 8, the first connecting tube 13, the flow tube 5, and the branch tube 15 before entering the installation tube 2. After flow measurement by a flow meter within the installation tube 2, the insulin is then delivered through the branch tube 15, the flow tube 5, the first connecting tube 13, the second connecting tube 8, the horizontal tube 3, and another tubing 1, ultimately reaching the insulin indwelling needle, achieving closed-loop infusion. The inner wall of the first connecting tube 13 has a first thread 14, which engages with the second thread 7 on the outer wall of the second connecting tube 8. The first connecting tube 13 can be quickly inserted or removed by rotating the second connecting tube 8, significantly simplifying operation compared to traditional fixed interfaces. The end of the flow tube 5 near the second connecting tube 8 has a first sealing ring 11. When the second connecting tube 8 is threaded into the first connecting tube 13, the first sealing ring 11 is held in place within the first connecting tube 13, preventing liquid leakage. Furthermore, physical limiting enhances connection stability and prevents thread loosening. The horizontal tube 3 has a fourth thread 16 at one end near the first connecting tube 13, and the outer wall of the first connecting tube 13 has a third thread 12. The two are threaded together by the nut 9 to fix the first connecting tube 13 and the horizontal tube 3 for a second time. A limiting ring 4 is fixedly sleeved on the horizontal tube 3, and a second sealing ring 6 is provided on the side near the nut 9. When the nut 9 is tightened, it will press against the second sealing ring 6 and compress it. Through the limiting effect of the limiting ring 4, the installation firmness of the horizontal tube 3 and the first connecting tube 13 is further enhanced, preventing the connection from falling off. The outer wall of the nut 9 has an anti-slip groove 10, which facilitates manual tightening and improves insertion and removal efficiency. The outer diameter of the flow tube 5 is larger than the outer diameter of the first connecting tube 13, and the inner diameter is smaller than the inner diameter of the first connecting tube 13. This design allows the flow tube 5 to serve as the mounting base for the first sealing ring 11 and to physically limit the second connecting tube 8 through the difference in tube diameter.

[0021] The above description is only used to illustrate the technical solution of this utility model, and is not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Any equivalent structural or procedural transformations made using the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of this utility model.

Claims

1. An insulin pump flow detection component with a quick-plug interface, characterized in that: The device includes an installation pipe (2) and a flow pipe (5). A liquid flow meter is installed inside the installation pipe (2). A first connecting pipe (13) is installed at both ends of the installation pipe (2). A second connecting pipe (8) is threaded into the first connecting pipe (13). The outer diameter of the flow pipe (5) is larger than the outer diameter of the first connecting pipe (13). The inner diameter of the flow pipe (5) is smaller than the inner diameter of the first connecting pipe (13). A first sealing ring (11) is provided at one end of the flow pipe (5) near the second connecting pipe (8). The first sealing ring (11) is located inside the first connecting pipe (13). The first sealing ring (11) is inserted into the second connecting pipe (8) through the thread of the first connecting pipe (13) and held in place. A reinforcing mechanism is provided between the first connecting pipe (13) and the second connecting pipe (8) to strengthen the connection between the two.

2. The insulin pump flow detection component with a quick-plug interface according to claim 1, characterized in that: The second connecting tube (8) is sealed and fixedly connected to a horizontal tube (3) at one end away from the first connecting tube (13). The outer ends of the two horizontal tubes (3) are respectively sealed and fixedly provided with hoses (1), one hose (1) is connected to an insulin pump, and the other hose (1) is connected to an indwelling insulin needle.

3. The insulin pump flow detection component with a quick-plug interface according to claim 2, characterized in that: The reinforcing mechanism includes a nut (9), which is in a limiting fit with the flow pipe (5). The outer diameter of the horizontal pipe (3) is the same as the outer diameter of the first connecting pipe (13). The nut (9) is sleeved on the first connecting pipe (13), and both the first connecting pipe (13) and the horizontal pipe (3) are threadedly fitted with the nut (9). The first connecting pipe (13) and the horizontal pipe (3) are connected by the nut (9) for auxiliary installation.

4. The insulin pump flow detection component with a quick-plug interface according to claim 3, characterized in that: The outer wall of the first connecting pipe (13) is provided with a third thread (12), and the end of the horizontal pipe (3) near the first connecting pipe (13) is provided with a fourth thread (16). Both the third thread (12) and the fourth thread (16) are threadedly engaged with the nut (9).

5. The insulin pump flow detection component with a quick-plug interface according to claim 4, characterized in that: A limiting ring (4) is fixedly sleeved on the horizontal tube (3). A second sealing ring (6) is provided on the side of the limiting ring (4) near the nut (9). The second sealing ring (6) is sleeved on the horizontal tube (3) and the second sealing ring (6) is in a limiting fit with the limiting ring (4). The nut (9) is fixed by tightening against the second sealing ring (6). An anti-slip groove (10) is provided on the outer wall of the nut (9).

6. The insulin pump flow detection component with a quick-plug interface according to claim 5, characterized in that: The two ends of the installation pipe (2) are respectively connected to and fixedly provided with branch pipes (15). The end of the branch pipe (15) away from the installation pipe (2) is connected to and fixedly provided with a flow pipe (5). The end of the flow pipe (5) away from the branch pipe (15) is fixedly provided with a first connecting pipe (13).

7. An insulin pump flow detection component with a quick-plug interface according to claim 6, characterized in that: The inner wall of the first connecting pipe (13) is provided with a first thread (14), and the outer surface of the second connecting pipe (8) is provided with a second thread (7) that is threadedly engaged with the first thread (14).

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