Double-layer mixed self-made ink teaching pen
By designing a dual-layer hybrid self-made ink demonstration pen, the problems of ink waste and pollution in existing technologies are solved, enabling students to participate in ink making and writing interactively, and enhancing the practicality of chemistry experiment teaching.
Patent Information
- Application Number
- CN202423055191.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-11
AI Technical Summary
The lack of specialized equipment in current chemistry lab teaching leads to ink waste and pollution, and students cannot directly participate in ink production and application, thus limiting the interactivity and practicality of teaching.
Design a dual-layer mixing homemade ink teaching pen. The first and second ink sacs are installed separately and contain solutions with different chemical components. The driving rod is used to mix them to form homemade ink, which can be used for writing.
This approach fulfills students' need to observe reaction phenomena during experiments, avoids waste of experimental materials and equipment, and enhances the interactivity and practicality of teaching.
Smart Images

Figure CN223956186U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chemical experiment teaching technical field especially is a kind of double-layer mixed self-made ink demonstration pen. BACKGROUND
[0002] In the field of chemical experiment teaching, especially in the experimental operation link, it is crucial to let students experience the experimental process, observe the experimental phenomena closely and directly use the experimental results.
[0003] Traditional ink demonstration materials often cannot provide such interactive and practical opportunities. Students cannot directly participate in the ink making process, and cannot apply the prepared ink to actual writing, which greatly limits the interactivity and practicality of teaching, making it difficult for students to gain intuitive feelings and deep understanding.
[0004] In the prior art, ink demonstration materials are mainly completed through traditional chemical apparatus, such as test tubes and droppers. In chemical experiment teaching, teachers need to prepare raw materials and then mix them on site to demonstrate experiments. There is no more convenient teaching aid product. Students can only roughly observe the phenomenon and cannot observe the reaction process in detail. Secondly, the ink after demonstration is directly poured out, causing waste and pollution. SUMMARY
[0005] Therefore, the utility model wants to overcome the defect that ink demonstration materials in the prior art do not have special apparatus, leading to ink waste and pollution.
[0006] To solve the above technical problems, the utility model provides a double-layer mixed self-made ink demonstration pen, comprising:
[0007] a pen head;
[0008] a mixing part, the mixing part comprising a first ink capsule, a second ink capsule and a driving rod, the pen head being arranged at one end of the first ink capsule; the first ink capsule being provided with a first sealing film at an end away from the pen head; the second ink capsule being provided with a tail cover at one end; the driving rod extending into the second ink capsule through the tail cover; the second ink capsule being provided with a second sealing film at an end away from the tail cover; the driving rod abutting against the second sealing film; the first ink capsule and the second ink capsule being detachably connected; and the first sealing film and the second sealing film being attached.
[0009] In one embodiment of the utility model, the second ink capsule is provided with a connecting cover on the outside of the end close to the second sealing film, the connecting cover is provided with a first internal thread on the inner wall, and the first ink capsule is provided with a first external thread on the outside of the end connected to the second ink capsule, which cooperates with the connecting cover.
[0010] In one embodiment of the utility model, first sealing ring is arranged between first ink sac and connecting cover.
[0011] In one embodiment of the utility model, second internal thread that cooperates with drive rod is arranged in tail cover.
[0012] In one embodiment of the utility model, second sealing ring is arranged between tail cover and the port of second ink sac.
[0013] In one embodiment of the utility model, the end of drive rod close to second sealing membrane is provided with taper;The end of drive rod close to tail cover is provided with butterfly nut.
[0014] In one embodiment of the utility model, the length of drive rod is greater than the length of second ink sac.
[0015] In one embodiment of the utility model, the volume of solution in first ink sac is equal to the volume of solution in second ink sac.
[0016] In one embodiment of the utility model, it further includes pen barrel and pen cap, pen head is arranged at one end of pen barrel, first ink sac and second ink sac are arranged in the inside of pen barrel, and pen cap is arranged at one end of pen head.
[0017] In one embodiment of the utility model, the material of pen barrel, first ink sac and second ink sac is AS plastic.
[0018] The above technical scheme of the utility model has the following advantages compared with prior art:
[0019] The double-layer mixed self-made ink demonstration pen has the advantages that first ink sac and second ink sac are separately installed, different chemical component solutions are stored in the two ink sacs, two kinds of sealed liquid are mixed to form self-made ink through the action of a drive rod during use, and writing can be performed. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments of the utility model and in combination with drawings, wherein
[0021] Figure 1 It is the overall structure schematic view of the utility model;
[0022] Figure 2 It isFigure 1 Internal structure diagram;
[0023] Figure 3 for Figure 2 Enlarged view of the local structure at point A;
[0024] Figure 4 for Figure 2 Enlarged view of the local structure at point B;
[0025] Explanation of reference numerals in the instruction manual's accompanying drawings: 1. Pen tip; 2. Mixing section; 3. Pen barrel; 4. Pen cap; 21. First ink sac; 22. Second ink sac; 23. Drive rod; 24. Tail cap; 25. First sealing membrane; 26. Second sealing membrane; 27. Connecting cap; 28. First sealing ring; 29. Second sealing ring; 41. Second internal thread; 231. Wing nut; 232. Second external thread; 251. First external thread; 271. First internal thread. Detailed Implementation
[0026] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.
[0027] Reference Figures 1-4 As shown, this utility model discloses a dual-layer hybrid homemade ink teaching pen, comprising:
[0028] Pen tip 1;
[0029] The mixing unit 2 includes a first ink sac 21, a second ink sac 22, and a drive rod 23. The pen tip 1 is disposed at one end of the first ink sac 21. A first sealing membrane 25 is disposed at the end of the first ink sac 21 away from the pen tip 1. A tail cap 24 is disposed at one end of the second ink sac 22. The drive rod 23 extends into the second ink sac 22 through the tail cap 24. A second sealing membrane 26 is disposed at the end of the second ink sac 22 away from the tail cap 24. The drive rod 23 abuts against the second sealing membrane 26. The first ink sac 21 and the second ink sac 22 are detachably connected. The first sealing membrane 25 is in contact with the second sealing membrane 26.
[0030] The utility model discloses a whole demonstration pen's structure is set up the drive rod 23 telescopic in the second ink sac 22 tail cover 24 end, and the second sealing membrane 26 of one end of second ink sac 22 and the first sealing membrane 25 of one end of first ink sac 21 are broken, is first ink sac 21 and second ink sac 22 communication, and the liquid in first ink sac 21 and second ink sac 22 mixes, and becomes ink after reaction.
[0031] In actual operation, tannic acid is arranged in the first ink sac 21, ferrous sulfate is arranged in the second ink sac 22, after the first sealing membrane 25 and the second sealing membrane 26 are broken by the drive rod 23, the first ink sac 21 and the second ink sac 22 are communicated, tannic acid and ferrous sulfate are mixed, after being shaken, are placed for 10s-30s, the color change of reaction is that the solution changes from brown yellow to dark black, and the generated tannic acid tannin complex presents blue black, and self-made ink is obtained.
[0032] The utility model discloses first ink sac 21 and second ink sac 22 are installed separately, and different chemical component solutions are stored in two ink sacs, and when using, the action of a drive rod 23 makes two kinds of sealed liquids mix to form self-made ink, and writing can be carried out. The utility model satisfies the need of students in the process of doing experiments to observe experimental phenomena, fills the blank of self-made ink device as teaching aid, and can avoid the waste of experimental materials and experimental equipment.
[0033] Further, the second ink sac 22 is provided with a connecting cover 27 on the outside of one end close to the second sealing membrane 26, the first inner thread 271 is arranged on the inner wall of the connecting cover 27, and the first outer thread 251 matched with the connecting cover 27 is arranged on the outside of one end of the first ink sac 21 connected with the second ink sac 22.
[0034] Specifically, the first ink sac 21 and the second ink sac 22 in the utility model are connected in a threaded detachable mode, in the connecting process, the connecting cover 27 at the end of the second ink sac 22 is buckled on the end of the first ink sac 21, and the connection is completed after rotating. In order to guarantee the sealing property of the connection, the first sealing ring 28 is arranged between the first ink sac 21 and the connecting cover 27, so that the mixed ink is prevented from leaking from the connection.
[0035] Further, the second outer thread 232 is arranged on the surface of the drive rod 23 in the axial direction, and the second inner thread 41 matched with the drive rod 23 is arranged in the tail cover 24.
[0036] Specifically, the telescopic driving of the driving rod 23 is achieved by screw driving, the second external thread 232 on the driving surface of the driving rod 23 is matched with the second internal thread 41 on the tail cover 24, and the driving rod 23 is rotated to realize the telescopic driving of the driving rod 23. Secondly, the threaded connection can also ensure the sealing of the second ink sac 22.
[0037] Further, the second sealing ring 29 is arranged between the tail cover 24 and the port of the second ink sac 22, and the second sealing ring 29 at the end of the tail cover 24 avoids leakage of the solution in the second ink sac 22. In addition, the tail cover 24 and the second ink sac 22 are also connected by threads.
[0038] Further, the driving rod 23 is provided with a taper at one end close to the second sealing film 26, and the driving rod 23 is provided with a butterfly nut 231 at one end close to the tail cover 24.
[0039] Specifically, the end of the driving rod 23 is designed to be tapered, which can reduce the contact area of the driving rod 23 with the first sealing film 25 and the second sealing film 26, improve the pressure of the driving rod 23, and facilitate the driving rod 23 to pierce the first sealing film 25 and the second sealing film 26. As a preferred scheme of the utility model, the driving rod 23 is provided with a butterfly nut 231 at one end close to the tail cover 24, which facilitates the rotation of the driving rod 23.
[0040] Further, in actual operation, the driving rod 23 needs to pierce the first sealing film 25 and the second sealing film 26, so the length of the driving rod 23 is greater than the length of the second ink sac 22.
[0041] Further, the volume of the solution in the first ink sac 21 is equal to the volume of the solution in the second ink sac 22.
[0042] Specifically, in actual operation, the volume ratio of the solution in the first ink sac 21 to the solution in the second ink sac 22 is 1:1.
[0043] Further, it also includes a pen barrel 3 and a pen cap 4, the pen head 1 is arranged at one end of the pen barrel 3, the first ink sac 21 and the second ink sac 22 are arranged inside the pen barrel 3, and the pen cap 4 is arranged at one end of the pen head 1.
[0044] Specifically, the pen cap 4 is used to protect the pen head 1, and the pen barrel 3 is used as a supporting structure to connect the pen head 1, the first ink sac 21 and the second ink sac 22 with the pen barrel 3 in actual assembly. It should be noted that in the utility model, the first ink sac 21 and the pen head 1 can be integrally formed or can be connected in a detachable manner, as long as the pen head 1 and the first ink sac 21 are connected.
[0045] As the preferred scheme of the present utility model, the material of the pen barrel 3, the first ink sac 21 and the second ink sac 22 is AS plastic. The AS plastic has the characteristic of high transparency, which is convenient for seeing the reaction process of the two kinds of liquid in the operation process.
[0046] In conclusion, the present utility model introduces a double-layer mixed self-made ink demonstration pen, the first ink sac 21 and the second ink sac 22 are installed separately, the two ink sacs store the solutions with different chemical components respectively, in use, the two kinds of liquid are mixed to form the self-made ink by the action of a driving rod 23, and writing can be carried out. The present utility model meets the need of students to observe the experimental phenomenon in the experiment process, fills the blank of the self-made ink device as a teaching aid, and can avoid the waste of experimental materials and experimental equipment.
[0047] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments are not required to be exhausted, and the obvious changes or variations derived therefrom are still within the protection scope of the present utility model.
Claims
1. A dual-layer hybrid self-inking demonstrator pen, characterized by, The utility model relates to a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
2. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
3. The dual-layer hybrid self-inking demonstrator pen of claim 2, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
4. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
5. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
6. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
7. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
8. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
9. The dual-layer hybrid self-inking demonstrator pen of claim 1, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap.
10. The dual-layer hybrid self-inking demonstrator pen of claim 9, wherein: The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model discloses a pen head, a mixing part, a pen barrel and a pen cap. The utility model