Double-color light-proof liquid medicine filter
The design of the double-layer structure and clamping mechanism solves the problem of unstable connection between the drug solution filter and the infusion tube, achieving stable filtration and light protection of the drug solution, which is suitable for photosensitive drugs.
Patent Information
- Application Number
- CN202422853324.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing drug filters are prone to separation when connected to infusion tubing, affecting filtration and infusion safety, and cannot provide adequate light protection, making it impossible to use photosensitive drugs properly.
A double-layer drug solution filter was designed. Both the upper and lower shells are double-injection molded. The outer layer is a light-blocking layer and the inner layer is a transparent layer. A clamping mechanism is provided to fix the infusion tube. The upper shell is provided with an exhaust hole and an air filter membrane.
It achieves a stable connection of the infusion tubing, ensuring normal filtration of the medication and safe infusion, while also providing light protection, making it suitable for photosensitive drugs.
Smart Images

Figure CN223810847U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of liquid medicine filter, specifically relates to two color light -proof liquid medicine filter. BACKGROUND
[0002] Liquid medicine filter is used to filter the debris and some small particles in the liquid medicine.
[0003] Search the announcement no. for CN207755609U a liquid medicine filter, including two layers of filter membrane, two upper covers, liquid medicine enters the filter after entering the liquid inlet and is filtered through two layers of filter membrane, improves the filtration area. The liquid medicine filter is also provided with a flow guide and support structure, the structure is not easy to hide bubbles, and infusion is safer.
[0004] In view of the above related technology, the inventor considers that the existing liquid medicine filter is directly inserted into the connecting pipe when connecting with the infusion tube, and no related infusion tube limiting mechanism is set, which leads to separation between the infusion tube and the connecting pipe in the use process, and further affects the normal filtration of the liquid medicine and the infusion safety, and the existing liquid medicine filter cannot achieve good light shielding effect in the use process, which leads to the problem that some photosensitive drugs cannot be normally used. Therefore, we propose a two-color light-proof liquid medicine filter. UTILITY MODEL CONTENTS
[0005] In view of the above problems existing in the prior art liquid medicine filter, the utility model is proposed.
[0006] Therefore, the utility model aims at providing a two-color light-proof liquid medicine filter, solving the problem that the existing liquid medicine filter is directly inserted into the connecting pipe when connecting with the infusion tube, and no related infusion tube limiting mechanism is set, which leads to separation between the infusion tube and the connecting pipe in the use process, and further affects the normal filtration of the liquid medicine and the infusion safety, and the existing liquid medicine filter cannot achieve good light shielding effect in the use process, which leads to the problem that some photosensitive drugs cannot be normally used.
[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0008] The utility model provides a double -colored light -resisting liquid medicine filter, including upper shell and lower shell, the upper shell and lower shell are formed through ultrasonic welding between, the upper shell and lower shell are all double -layer injection and are formed, the outer layer of upper shell and lower shell is the light -resisting layer of adding light -resisting agent, the inner layer of upper shell and lower shell is colorless transparent layer, the upper shell and lower shell are equipped with liquid inlet pipe and liquid outlet pipe respectively, the liquid inlet pipe and liquid outlet pipe are all equipped with fixed shell, be equipped with clamping mechanism on the fixed shell, the fixed shell is equipped with guide hole, the clamping mechanism includes fixed link, pressing block and clamping plate, the fixed link is embeddedly connected in the guide hole, the pressing block fixedly connected with fixed link one end outside the fixed shell, the clamping plate fixedly connected with fixed link one end inside the fixed shell, be equipped with liquid medicine filter membrane between the upper shell and lower shell.
[0009] Preferably, the clamping plate is arc-shaped structure, and the clamping surface of the clamping plate is provided with a non-slip pad.
[0010] Preferably, the inner wall of the guide hole is provided with a limiting groove, and the outer wall of the fixed rod is provided with a limiting strip, and the fixed rod is embeddedly connected with the limiting strip and the limiting groove.
[0011] Preferably, the inner wall of the guide hole is provided with a guide groove, and the guide groove is embeddedly connected with a limiting block, and the fixed rod is provided with a limiting hole, and the position of the limiting block corresponds to the limiting hole, and the outer wall of the limiting block is provided with a connecting rod, and the other end of the connecting rod penetrates to the outside of the fixed shell, and the connecting rod is nested with a spring, and the spring is pressed between the inner wall of the guide groove and the outer wall of the limiting block.
[0012] Further, the other end of the connecting rod penetrating to the outside of the fixed shell is provided with a pull ring, and the pull ring is nested with a rubber sleeve.
[0013] Preferably, the upper shell is provided with an exhaust shell, and the exhaust shell is integrated with the upper shell, and the exhaust shell is provided with an exhaust hole, and the inside of the exhaust shell is provided with an air filter membrane.
[0014] In the above technical solution, the technical effects and advantages of the utility model are provided:
[0015] 1. The utility model discloses a clamping mechanism, which can provide clamping effect for the infusion tube after the infusion tube is inserted into the liquid inlet pipe and the liquid outlet pipe, so that separation between the infusion tube and the liquid inlet pipe and the liquid outlet pipe during use is avoided, normal filtration of the liquid medicine is ensured, and safety during infusion is ensured. Meanwhile, the upper shell and the lower shell are both double-layer injection molded, and the outer layer is added with a light-resistant agent, and the inner layer is a colorless transparent layer. Therefore, the inside of the liquid medicine filter can be observed during the flow of the liquid medicine, and the infusion safety is ensured, and the whole utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to make the technical personnel of the prior art better understand the technical scheme of the present application, the following will be further described in detail with reference to the drawings.
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the fixed shell cross section structure schematic diagram of the utility model;
[0019] Figure 3 It is the clamping mechanism structure schematic diagram of the utility model;
[0020] Figure 4 It is the upper shell and lower shell cross section structure schematic diagram of the utility model.
[0021] Mark explanation:
[0022] 1, upper shell, 2, lower shell, 3, liquid inlet pipe, 4, liquid outlet pipe, 5, fixed shell, 6, clamping mechanism, 7, fixed rod, 8, pressing block, 9, clamping plate, 10, limiting hole, 11, limiting strip, 12, guide groove, 13, limiting block, 14, connecting rod, 15, spring, 16, pull ring, 17, exhaust shell, 18, exhaust hole, 19, air filter membrane, 20, liquid filter membrane. Specific implementation
[0023] In order to make the technical personnel of the prior art better understand the technical scheme of the present application, the following will be further described in detail with reference to the drawings.
[0024] The utility model discloses a two -color light -proof liquid filter.
[0025] The utility model provides a two -color light -proof liquid filter as Figures 1-4 It is two -color light -proof liquid filter, including upper shell 1 and lower shell 2, and upper shell 1 and lower shell 2 are formed by ultrasonic welding between, and upper shell 1 and lower shell 2 are both double -layer injection molding, and the outer layer is the light -proof layer of adding light -proof agent, and the inner layer is colorless transparent layer, and upper shell 1 and lower shell 2 are equipped with liquid inlet pipe 3 and liquid outlet pipe 4 respectively, and fixed shell 5 is equipped on liquid inlet pipe 3 and liquid outlet pipe 4, and clamping mechanism 6 is equipped on fixed shell 5, and the guide hole is set up on fixed shell 5, and clamping mechanism 6 includes fixed rod 7, pressing block 8 and clamping plate 9, and fixed rod 7 is embeddedly connected in the guide hole, and pressing block 8 is fixedly connected to one end of fixed rod 7 at the outside of fixed shell 5, and clamping plate 9 is fixedly connected to one end of fixed rod 7 at the inside of fixed shell 5, and upper shell 1 and lower shell 2 are equipped with liquid filter membrane 20.
[0026] The double-color light-avoiding medicine liquid filter, the clamping plate 9 is of arc-shaped structure, and an antiskid pad is arranged on the clamping surface of the clamping plate 9, so that the clamping and fixing effect on the infusion tube can be improved.
[0027] The double-color light-avoiding medicine liquid filter, a limiting groove is arranged on the inner wall of the guide hole, a limiting strip 11 is arranged on the outer wall of the fixing rod 7, the fixing rod 7 is connected with the limiting groove through the limiting strip 11, the limiting rod 7 can be provided with a limiting and guiding effect, the fixing rod 7 can be prevented from rotating randomly in the using process, and the using effect can be influenced.
[0028] The double-color light-avoiding medicine liquid filter, a guide groove 12 is arranged on the inner wall of the guide hole, a limiting block 13 is connected with the guide groove 12, a limiting hole 10 is arranged on the fixing rod 7, the positions of the limiting block 13 and the limiting hole 10 are consistent, a connecting rod 14 is arranged on the outer wall of the limiting block 13, one end of the connecting rod 14 penetrates the outer portion of the fixing shell 5, a spring 15 is arranged on the connecting rod 14, the spring 15 is arranged between the inner wall of the guide groove 12 and the outer wall of the limiting block 13, the fixing rod 7 can be provided with a limiting effect, so that the clamping stability of the clamping plate 9 on the infusion tube can be ensured.
[0029] The double-color light-avoiding medicine liquid filter, one end of the connecting rod 14 penetrating the outer portion of the fixing shell 5 is provided with a pull ring 16, a rubber sleeve is arranged on the pull ring 16, the connecting rod 14 and the limiting block 13 can be driven to move, and the use convenience is improved.
[0030] The double-color light-avoiding medicine liquid filter, the upper shell 1 is provided with an exhaust shell 17, the exhaust shell 17 and the upper shell 1 are of integrated structure, the exhaust shell 17 is provided with an exhaust hole 18, and the exhaust shell 17 is internally provided with an air filter membrane 19, so that air can be exhausted conveniently.
[0031] In use, the infusion tube is respectively inserted on the liquid inlet pipe 3 and the liquid outlet pipe 4, then the pressing block 8 is pressed to drive the fixing rod 7 to move, so that the clamping plate 9 can be driven to clamp and fix the infusion tube, when the fixing rod 7 drives the clamping plate 9 to clamp the infusion tube, the limiting hole 10 on the fixing rod 7 will move to the lower portion of the limiting block 13, at this moment, the limiting block 13 will enter the inside of the limiting hole 10 under the elastic action of the spring 15, so that the position of the fixing rod 7 can be limited, and then the clamping and fixing effect of the clamping plate 9 on the infusion tube can be effectively ensured, in specific use, after the medicine liquid enters from the liquid inlet pipe 3, air is exhausted from the air filter membrane 19, the medicine liquid flows out through the liquid outlet pipe 4 after passing through the medicine liquid filter membrane 20, the upper shell 1 and the lower shell 2 are both double-layer injection molding, the outer layer is added with a light-avoiding agent, and the inner layer is of transparent structure, so that the inside of the medicine liquid filter can be observed during the flowing process of the medicine liquid, meanwhile, the infusion safety can be ensured, and the whole has high practicability.
[0032] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.
Claims
1. A two-color light-resistant liquid filter comprising an upper shell (1) and a lower shell (2), characterized in that, The upper shell (1) and the lower shell (2) are ultrasonically welded, the upper shell (1) and the lower shell (2) are both double-layer injection molded, the outer layer of the upper shell (1) and the lower shell (2) is a light-proof layer added with a light-proof agent, the inner layer of the upper shell (1) and the lower shell (2) is a colorless transparent layer, the upper shell (1) and the lower shell (2) are respectively provided with a liquid inlet pipe (3) and a liquid outlet pipe (4), the liquid inlet pipe (3) and the liquid outlet pipe (4) are both provided with a fixed shell (5), the fixed shell (5) is provided with a clamping mechanism (6), the fixed shell (5) is provided with a guide hole, the clamping mechanism (6) comprises a fixed rod (7), a pressing block (8) and a clamping plate (9), the fixed rod (7) is embeddedly connected in the guide hole, the pressing block (8) is fixedly connected to one end of the fixed rod (7) located outside the fixed shell (5), and the clamping plate (9) is fixedly connected to one end of the fixed rod (7) located inside the fixed shell (5), and the upper shell (1) and the lower shell (2) are provided with a liquid medicine filter membrane (20).
2. The dual color light resistant liquid filter of claim 1, wherein, The clamping plate (9) is in an arc-shaped structure, and an anti-skid pad is arranged on the clamping surface of the clamping plate (9).
3. The dual color light resistant liquid filter of claim 1, wherein, A limiting groove is arranged on the inner wall of the guide hole, a limiting strip (11) is arranged on the outer wall of the fixed rod (7), and the fixed rod (7) is embeddedly connected with the limiting groove through the limiting strip (11).
4. The dual color light resistant liquid filter of claim 1, wherein, A guide groove (12) is arranged on the inner wall of the guide hole, a limiting block (13) is embeddedly connected in the guide groove (12), a limiting hole (10) is arranged on the fixed rod (7), the limiting block (13) and the limiting hole (10) are positionally consistent, a connecting rod (14) is arranged on the outer wall of the limiting block (13), one end of the connecting rod (14) penetrates to the outside of the fixed shell (5), a spring (15) is nested on the connecting rod (14), and the spring (15) is press-fitted between the inner wall of the guide groove (12) and the outer wall of the limiting block (13).
5. The dual color light resistant liquid filter of claim 4, wherein, A pull ring (16) is arranged on the end of the connecting rod (14) penetrating to the outside of the fixed shell (5), and a rubber sleeve is nested on the pull ring (16).
6. The dual color light resistant liquid filter of claim 1, wherein, An exhaust shell (17) is arranged on the upper shell (1), the exhaust shell (17) and the upper shell (1) are in an integrated structure, an exhaust hole (18) is arranged on the exhaust shell (17), and an air filter membrane (19) is mounted in the exhaust shell (17).
Citation Information
Patent Citations
Liquor filter
CN207755609U