Novel electrostatic spinning nozzle for medical treatment
By designing a knob-controlled gear system, the electrospinning nozzle can be easily disassembled and cleaned, which solves the problem of inconvenient disassembly of existing nozzles and improves cleaning efficiency and adaptability.
Patent Information
- Application Number
- CN202422145778.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-09-03
AI Technical Summary
Existing electrospinning nozzles are difficult to disassemble, making cleaning difficult and increasing the risk of cross-contamination.
A new electrospinning nozzle was designed, which includes a fixed base, a knob, an outer shaft, a driving gear, a driven gear, a strong spring and an extrusion block. The rotation of the outer shaft is controlled by the knob to drive the gear system, thereby realizing convenient disassembly, assembly and fixation of the nozzle body.
It improves the convenience of the nozzle, facilitates cleaning and maintenance, adapts to the fixation of nozzles of different sizes, and reduces the risk of cross contamination.
Smart Images
Figure CN223397848U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of spinning nozzles, and specifically relates to a new type of electrostatic spinning nozzle for medical use. Background Art
[0002] Electrospinning technology can be used to produce a wide variety of nanofibers, including organic, organic / inorganic composite, and inorganic nanofibers. It has become one of the most important technical means for nanomaterial manufacturing research worldwide over the past decade. Electrospinning can produce nanofibers with diameters ranging from a few nanometers to several hundred nanometers. The fiber membranes produced by electrospinning are lightweight, have good permeability, high porosity, good internal pore connectivity, and are easily combined with nanoscale chemical substances or functional substances. It has become an important way to manufacture functional nanofiber materials. With the development of nanotechnology, electrospinning, as a simple and effective new processing technology for producing nanofibers, will play a huge role in the fields of biomedical materials, filtration and protection, catalysis, energy, optoelectronics, food engineering, cosmetics, etc.
[0003] Electrospinning technology has already enabled the production of fibers with diameters as small as a few nanometers. However, existing technologies are still at the laboratory stage, resulting in low yields and inefficiencies. Therefore, increasing yields and efficiency, reducing costs, achieving high-quality electrospun fibers, and realizing industrialization have become hot topics in the field of electrospinning.
[0004] However, common nozzles are difficult to disassemble and thus inconvenient to clean, which increases the difficulty of cleaning and the risk of cross contamination. Utility Model Content
[0005] The purpose of this application is to provide a new electrospinning nozzle for medical use in order to solve the problem that the common nozzles mentioned above are inconvenient to disassemble and clean, which increases the difficulty of cleaning and the risk of cross contamination.
[0006] The technical solution adopted in this application is as follows: A new type of electrostatic spinning nozzle for medical use, comprising a fixed base, a knob rotatably connected to the surface of one side of the fixed base, an outer rotating shaft corresponding to the knob rotatably connected to the inside of the fixed base, a driving gear provided on the outer surface of the outer rotating shaft, a driven gear engaged with one side of the driving gear, a secondary rotating shaft provided at the lower end of the driven gear, strong springs installed inside both sides of the fixed base, a connecting block provided at one end of the strong spring, an extrusion block provided at one side of the connecting block, a nozzle body clamped between the extrusion blocks, a traction rope provided at one end of the connecting block, the other end of the traction rope on one side being wound around the outer surface of the outer rotating shaft, and the other end of the traction rope on the other side being wound around the outer surface of the secondary rotating shaft.
[0007] By adopting the above technical solution and the above design, the nozzle body can be easily disassembled and assembled, thereby improving the convenience of use and facilitating the cleaning and maintenance of the nozzle body. At the same time, it can also be suitable for clamping and fixing nozzle bodies of different sizes, thereby improving adaptability.
[0008] In a preferred embodiment, an inner rotating shaft is provided at the lower end of the knob, the inner rotating shaft is provided inside the outer rotating shaft, a return spring is provided on the outer surface of the inner rotating shaft, a turntable is provided at the lower end of the inner rotating shaft, and a connecting socket corresponding to the upper insertion rod is provided on the lower surface of the outer rotating shaft.
[0009] By adopting the above technical solution, rotating the knob drives the outer shaft to rotate, causing the driving gear to drive the driven gear to rotate, and then the traction rope can be used for traction, which in turn drives the extrusion block to pull. This makes it easier to squeeze and clamp nozzle bodies of different sizes, improving convenience.
[0010] In a preferred embodiment, a plurality of lower insertion rods are provided on the lower surface of the turntable, and a plurality of driven gears corresponding to the lower insertion rods are provided inside the fixed base.
[0011] By adopting the above technical solution, under the elastic force of the return spring, the lower insertion rod is inserted into the corresponding driven gear to fix the outer rotating shaft, thereby improving the stability of the extrusion block clamping the nozzle body.
[0012] In a preferred embodiment, the outer surface of the knob is provided with a plurality of anti-sliding blocks.
[0013] By adopting the above technical solution, the friction between the hand and the knob is increased, which makes it easier to rotate the knob and improves convenience.
[0014] In a preferred embodiment, a display screen is mounted on the upper surface of the fixed base, a temperature detector corresponding to the nozzle body is mounted inside the extrusion block, and the nozzle body is electrically connected to the display screen.
[0015] By adopting the above technical solution, the temperature of the nozzle body is detected by a temperature detector and displayed on the surface of the display screen, so that the staff can check it at any time and control its temperature at an appropriate temperature to prevent the degradation of heat-sensitive materials during the spraying process.
[0016] In a preferred embodiment, a limiting groove is provided on one side surface of the fixed base, a limiting slide rod is provided inside the limiting groove, a slider is provided on one side surface of the extrusion block, and the slider is slidably connected to the outer surface of the limiting slide rod.
[0017] By adopting the above technical solution, the movement of the extrusion block is limited by the slider sliding on the outer surface of the limiting slide rod, making its operation more stable and improving the stability of extrusion.
[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:
[0019] In this application, the movement of the extrusion block is controlled by the knob, so that the extrusion block clamps the nozzle body, which makes it easy to disassemble and assemble the nozzle body, improves the convenience of use, and facilitates the cleaning and maintenance of the nozzle body. At the same time, it can also be used to clamp and fix nozzle bodies of different sizes, thereby improving adaptability. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 Schematic diagram of the internal structure of the nozzle device in this application;
[0021] Figure 2 This is a schematic diagram of the side structure of the nozzle device in this application;
[0022] Figure 3 This is a schematic diagram of the internal structure of the rotating shaft device in this application;
[0023] Figure 4 This is a schematic diagram of the planar structure of the spring in this application.
[0024] Markings in the figure: 1. Fixed base; 2. Display screen; 3. Knob; 4. Limit slide; 5. Printhead body; 6. Extrusion block; 7. Power spring; 8. Pull rope; 9. Driving gear; 10. Outer shaft; 11. Secondary shaft; 12. Driven gear; 13. Lower plug rod; 14. Turntable; 15. Upper plug rod; 16. Return spring; 17. Inner shaft; 18. Connecting block; 19. Temperature detector; 20. Limit slide rod; 21. Slider. DETAILED DESCRIPTION
[0025] To make the purpose, technical solutions, and advantages of the embodiments of this application more clear, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0026] Reference Figure 1-4The outer surface of the outer shaft 10 is provided with a driving gear 9, and one side of the driving gear 9 is meshed with a driven gear 12. The lower end of the driven gear 12 is provided with a secondary rotating shaft 11. Strong springs 7 are installed inside the two sides of the fixed base 1, and one end of the strong spring 7 is provided with a connecting block 18. One side of the connecting block 18 is provided with an extrusion block 6. The nozzle body 5 is clamped between the extrusion blocks 6. One end of the connecting block 18 is provided with a traction rope 8. The other end of the traction rope 8 on one side is wound around the outer surface of the outer shaft 10, and the other end of the traction rope 8 on the other side is wound around the outer surface of the secondary rotating shaft 11. Through the above design, the nozzle body 5 can be easily disassembled and assembled, which improves the convenience of use and facilitates the cleaning and maintenance of the nozzle body 5. At the same time, it can also be suitable for the clamping and fixation of nozzle bodies 5 of different sizes, thereby improving adaptability.
[0027] Reference Figure 2-3 The lower end of the knob 3 is provided with an inner rotating shaft 17, which is arranged inside the outer rotating shaft 10. The outer surface of the inner rotating shaft 17 is provided with a return spring 16. The lower end of the inner rotating shaft 17 is provided with a turntable 14. The lower surface of the outer rotating shaft 10 is provided with a connecting hole corresponding to the upper plug rod 15. By rotating the knob 3, the outer rotating shaft 10 is rotated, and the driving gear 9 drives the driven gear 12 to rotate, which can then be pulled by the traction rope 8, and then drive the extrusion block 6 to pull. It is convenient to squeeze and clamp the nozzle body 5 of different sizes, improving convenience.
[0028] Reference Figure 3 A plurality of lower plug rods 13 are provided on the lower surface of the turntable 14, and a plurality of driven gears 12 corresponding to the lower plug rods 13 are provided inside the fixed base 1. Under the elastic force of the return spring 16, the lower plug rods 13 are inserted into the corresponding driven gears 12 to fix the outer rotating shaft 10, thereby improving the stability of the extrusion block 6 in clamping the nozzle body 5.
[0029] Reference Figure 1-3 The outer surface of the knob 3 is provided with several anti-sliding blocks to increase the friction between the hand and the knob 3, making it easier to rotate the knob 3 and improving convenience.
[0030] Reference Figure 1 and Figure 4A display screen 2 is installed on the upper surface of the fixed base 1, and a temperature detector 19 corresponding to the nozzle body 5 is installed inside the extrusion block 6. The nozzle body 5 is electrically connected to the display screen 2. The temperature of the nozzle body 5 is detected by the temperature detector 19 and displayed on the surface of the display screen 2, so that the staff can check it at any time and control its temperature at an appropriate temperature to prevent the degradation of heat-sensitive materials during the spraying process.
[0031] Reference Figure 4 A limiting slide groove 4 is provided on one side surface of the fixed base 1, and a limiting slide rod 20 is provided inside the limiting slide groove 4. A slider 21 is provided on one side surface of the extrusion block 6. The slider 21 is slidably connected to the outer surface of the limiting slide rod 20. By sliding the slider 21 on the outer surface of the limiting slide rod 20, the movement of the extrusion block 6 is limited, making its operation more stable and improving the stability of extrusion.
[0032] The implementation principle of the embodiment of the novel electrospinning nozzle for medical use in this application is as follows:
[0033] When it is needed to use, the knob 3 is pulled to disengage the lower plug rod 13 from the inside of the driven gear 12, and then the knob 3 is rotated. Under the connection between the upper plug rod 15 and the outer shaft 10, the knob 3 drives the outer shaft 10 to rotate, and the driving gear 9 drives the driven gear 12 to rotate, and then the outer shaft 10 and the secondary shaft 11 drive the traction rope 8 to wind, so that the traction rope 8 pulls the connecting block 18, so that the squeezing block 6 releases the clamping of the nozzle body 5, and the new nozzle body 5 is placed between the squeezing blocks 6. The knob 3 is rotated in the opposite direction, and under the elastic force of the strong spring 7, the squeezing block 6 squeezes and fixes the nozzle body 5, completing the disassembly and assembly of the nozzle body 5 and improving convenience.
[0034] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A novel electrospinning nozzle for medical use, comprising a fixed base (1), characterized in that: A knob (3) is rotatably connected to the surface of one side of the fixed base (1), and an outer shaft (10) corresponding to the knob (3) is rotatably connected to the interior of the fixed base (1). A driving gear (9) is provided on the outer surface of the outer shaft (10), and a driven gear (12) is meshed with one side of the driving gear (9). A secondary shaft (11) is provided at the lower end of the driven gear (12). Strong springs (7) are installed inside both sides of the fixed base (1), and a connecting block (18) is provided at one end of the strong spring (7). An extrusion block (6) is provided at one side of the connecting block (18), and a nozzle body (5) is clamped between the extrusion blocks (6). A traction rope (8) is provided at one end of the connecting block (18), and the other end of the traction rope (8) is wound around the outer surface of the outer shaft (10) on one side, and the other end of the traction rope (8) is wound around the outer surface of the secondary shaft (11) on the other side.
2. A novel electrospinning nozzle for medical use according to claim 1, characterized in that: The lower end of the knob (3) is provided with an inner rotating shaft (17), the inner rotating shaft (17) is arranged inside the outer rotating shaft (10), the outer surface of the inner rotating shaft (17) is provided with a return spring (16), the lower end of the inner rotating shaft (17) is provided with a rotating disk (14), and the lower surface of the outer rotating shaft (10) is provided with a connecting socket corresponding to the upper plug rod (15).
3. A novel electrospinning nozzle for medical use according to claim 2, characterized in that: A plurality of lower insertion rods (13) are provided on the lower surface of the rotating disk (14), and a plurality of driven gears (12) corresponding to the lower insertion rods (13) are provided inside the fixed base (1).
4. The novel electrospinning nozzle for medical use according to claim 1, characterized in that: The outer surface of the knob (3) is provided with a plurality of anti-sliding blocks.
5. The novel electrospinning nozzle for medical use according to claim 1, characterized in that: A display screen (2) is mounted on the upper surface of the fixed base (1), a temperature detector (19) corresponding to the nozzle body (5) is mounted inside the extrusion block (6), and the nozzle body (5) is electrically connected to the display screen (2).
6. The novel electrospinning nozzle for medical use according to claim 1, characterized in that: A limiting slide groove (4) is provided on one side surface of the fixed base (1), a limiting slide rod (20) is provided inside the limiting slide groove (4), and a slider (21) is provided on one side surface of the extrusion block (6), and the slider (21) is slidably connected to the outer surface of the limiting slide rod (20).