Writing stationery with replaceable ink chamber
By setting up extension columns and rear grooves in the mating part of the writing piece, and using the liquid guide core and spring, the wear and ink leakage problems after multiple replacements of the existing writing pen ink bags is solved, and a more durable ink chamber structure is achieved, ensuring that The ink is guided smoothly to the tip of the pen.
Patent Information
- Application Number
- CN202420757999.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-12
AI Technical Summary
After multiple replacements of existing replaceable ink bag type writing pens, wear and deformation are prone to ink leakage at the plugs of the writing parts.
A writing stationery that can replace the ink chamber is designed. By providing an extension column and a rear groove in the mating part of the writing piece, the ink outlet of the ink chamber is used to be inserted into the rear groove, and the extension column is used to be inserted into the ink outlet, and is equipped with There is a fluid conductor core and spring to ensure smooth ink to the tip and reduce wear and deformation.
It effectively reduces the wear and deformation of the writing parts, avoids ink leakage, improves the durability of the stationery, and simplifies the disassembly and assembly process of the ink chamber.
Smart Images
Figure CN222246645U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a stationery, in particular to a writing stationery with a replaceable ink tank. Background Art
[0002] At present, writing pens (signature pens, oil pens, gel pens, etc.) are indispensable stationery in people's daily life and work. Existing replaceable ink cartridge writing pens can be replaced after the ink cartridge is used up, which is convenient to use and the writing pen can be used repeatedly. The ink cartridge and writing piece of the writing pen are usually plug-in structures. After replacing the ink cartridge many times, the plug-in joint of the writing piece is prone to wear and deformation, resulting in ink leakage. In view of this, how to design a more durable stationery is a technical problem to be solved by the utility model. Utility Model Content
[0003] In order to solve the problems existing in the prior art, the utility model provides a writing stationery with a replaceable ink tank.
[0004] The utility model provides a writing stationery with a replaceable ink tank, comprising:
[0005] A pen holder, wherein the head of the pen holder is provided with an access hole;
[0006] A refill assembly, the refill assembly comprising a writing piece and an ink tank arranged in the pen shaft, the head of the writing piece is provided with a pen tip close to the inlet and outlet hole, the tail of the writing piece is provided with a matching portion, a liquid guide core is arranged in the writing piece, the tail of the matching portion forms an extension column and a rear groove surrounding the extension column, the extension column has a through hole for the liquid guide core to extend out, the ink outlet of the ink tank is used to be inserted into the rear groove, and the extension column is used to be inserted into the ink outlet.
[0007] In one embodiment of the present invention, the opening of the rear groove is processed into a flared structure.
[0008] In an embodiment of the present invention, a first notch communicating with the rear groove is formed on a side wall of the tail portion of the matching portion.
[0009] In one embodiment of the present invention, a second notch communicating with the through hole is formed at the tail of the extension column.
[0010] In one embodiment of the present invention, the through hole forms a step groove at the rear end of the extension column.
[0011] In one embodiment of the present invention, a pressing component is provided at the tail of the pen barrel, and the pressing component is configured to drive the refill assembly to slide in the pen barrel.
[0012] In one embodiment of the present invention, a spring is disposed in the pen barrel, and the spring is configured to apply an elastic force to the matching portion in a direction away from the access hole.
[0013] In one embodiment of the present invention, the tail of the matching portion forms a limiting portion for matching with the spring.
[0014] One beneficial effect of the utility model is that the refill assembly of the writing stationery with replaceable ink tank consists of a writing piece and an ink tank, and the ink tank is connected to the matching part of the writing piece, so that the ink tank can be disassembled and replaced; the liquid guide core of the writing piece extends into the ink outlet of the ink tank through the through hole of the matching part, and guides the ink in the ink tank to the pen tip; the rear groove of the matching part plays a guiding and limiting role when the ink tank is inserted, so that the extension column can be smoothly inserted into the ink outlet of the ink tank, reducing the problems of wear and deformation of the writing piece. Therefore, the writing piece is not easy to be damaged, ink is not easy to leak, and it is more durable. The setting of the matching part can also make the refill assembly easy to assemble.
[0015] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.
[0017] Figure 1 It is a schematic diagram of the writing instrument with replaceable ink tank of the utility model in the initial position;
[0018] Figure 2 It is a schematic diagram of the writing instrument with replaceable ink tank of the utility model in the writing position;
[0019] Figure 3 It is a cross-sectional view of the writing stationery with replaceable ink tank of the utility model;
[0020] Figure 4 yes Figure 3 A partial enlarged schematic diagram of the middle A area;
[0021] Figure 5 It is a schematic diagram of a refill assembly of a writing instrument with a replaceable ink tank according to the utility model;
[0022] Figure 6 It is a schematic diagram of the matching part of the writing instrument with replaceable ink tank of the utility model.
[0023] Reference numerals:
[0024] 1. Pen holder; 11. Access hole;
[0025] 2. Pen core assembly;
[0026] 20, writing piece; 200, regulator; 201, liquid guide core; 202, pen tip;
[0027] 21, matching portion; 212, rear groove; 213, extension column; 214, through hole; 215, first notch; 216, limiting portion; 217, second notch; 218, step groove;
[0028] 22. ink tank; 221. ink outlet;
[0029] 3. Spring;
[0030] 4. Press the component. DETAILED DESCRIPTION
[0031] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application.
[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present application, its application, or uses.
[0033] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.
[0034] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.
[0035] In this document, “upper”, “lower”, “head”, “tail”, “front”, “back”, etc. are only used to indicate the relative position relationship between related parts, rather than to limit the absolute positions of these related parts.
[0036] In this article, "first", "second", etc. are only used to distinguish each other, and do not indicate the importance and order, or the premise of each other's existence.
[0037] In this document, “equal”, “same”, etc. are not strictly limited in mathematical and / or geometric senses, but also include errors that can be understood by those skilled in the art and allowed by manufacturing or use.
[0038] As used herein, unless otherwise specified, "plurality" means two or more.
[0039] Figures 1 to 6The figure shows a writing instrument with a replaceable ink tank provided by an embodiment of the utility model, comprising a pen body 1 and a refill assembly 2.
[0040] The refill assembly 2 is arranged inside the pen body 1 , and an access hole 11 is arranged at the head of the pen body 1 .
[0041] The refill assembly 2 includes a writing piece 20 and an ink tank 22 arranged in the pen body 1. The head of the writing piece 20 is provided with a pen tip 202 close to the access hole 11, and the tail of the writing piece 20 is provided with a matching portion 21. The writing piece 20 is provided with a liquid guiding core 201, and the liquid guiding core 201 is used to guide ink to the pen tip 202. The tail of the matching portion 21 forms an extension column 213 and a rear groove 212 surrounding the extension column 213, and the extension column 213 has a through hole 214 for the liquid guiding core 201 to extend out. The ink tank 22 has an ink outlet 221, and the ink outlet 221 is used to be inserted into the rear groove 212, and the extension column 213 is used to be inserted into the ink outlet 221. Specifically, the writing piece 20 has an end close to the access hole 11 as the head, and an end away from the access hole 11 as the tail.
[0042] The matching part 21 and the writing piece 20 are integrally formed, which is beneficial to simplify the parts of the refill assembly 2 and facilitate assembly. The ink outlet 221 of the ink tank 22 is directly plugged into the rear groove 212 of the matching part 21, which is convenient for disassembly and assembly.
[0043] The liquid guide core 201 of the writing member 20 extends into the ink outlet 221 of the ink tank 22 through the through hole 214 of the matching part 21, and guides the ink in the ink tank 22 to the pen tip 202. When the ink in the ink tank 22 is used up, it can be pulled out from the rear groove 212 of the matching part 21, and then a new ink tank 22 can be inserted into the rear groove 212.
[0044] The rear groove 212 of the matching part 21 plays a guiding and limiting role when the ink tank 22 is inserted, so that the extension column 213 can be smoothly inserted into the ink outlet 221 of the ink tank 22, reducing the wear and deformation of the writing piece 20. The extension column 213 of the matching part 21 can fix and protect the liquid guide core 201, reducing the contact between the ink tank 22 and the liquid guide core 201. Therefore, the pen core assembly 2 is not easy to be damaged, not easy to leak ink, and more durable.
[0045] In some embodiments, Figure 4 As shown, the opening of the rear groove 212 of the matching portion 21 can be processed into a flared structure, which is conducive to the ink outlet 221 of the ink tank 22 entering the rear groove 212. The diameter of the ink outlet 221 can be slightly smaller than the inner diameter of the rear groove 212, and the ink outlet 221 and the rear groove 212 are clearance-matched, so that the resistance when disassembling and assembling the ink tank 22 is small.
[0046] In some embodiments, Figure 6As shown, a first notch 215 is formed on the side wall of the tail of the matching portion 21, the first notch 215 is connected to the rear groove 212, and the first notch 215 extends to the end face of the matching portion 21, that is, the first notch 215 extends to the opening of the rear groove 212, which can increase the deformation capacity of the tail of the matching portion 21. The first notch 215 can extend to the bottom of the rear groove 212. At least one first notch 215 is provided. Multiple first notches 215 can be provided and spaced apart on the end face of the tail of the matching portion 21.
[0047] In some embodiments, Figure 6 As shown, the tail of the extension column 213 forms a second notch 217, the second notch 217 is connected to the through hole 214, and the second notch 217 extends to the end surface of the extension column 213, that is, the second notch 217 extends to the opening of the through hole 214. After the extension column 213 is plugged into the ink outlet 221, the ink can contact the side of the liquid guide core 201 through the second notch 217, which is conducive to the liquid guide core 201 absorbing ink. At least one second notch 217 is provided. Multiple second notches 217 can be provided and distributed at intervals on the end surface of the extension column 213.
[0048] In some embodiments, Figure 6 As shown, the through hole 214 forms a step groove 218 at the tail end of the extension column 213. The through hole 214 can be expanded to form the step groove 218, and the ink can enter the step groove 218 and contact the liquid guide core 201 more quickly, which is conducive to the liquid guide core 201 absorbing ink.
[0049] The end of the through hole 214 can form a gap with the liquid-conducting core 201 , and ink can enter the gap, which is beneficial for the liquid-conducting core 201 to absorb ink.
[0050] In a specific embodiment, two first notches 215 are formed on the sidewall of the tail of the matching portion 21 , and the two first notches 215 are symmetrical with respect to the matching portion 21 . Two second notches 217 are formed at the tail of the extension column 213 , and the two second notches 217 are symmetrical with respect to the extension column 213 .
[0051] In some embodiments, the rear groove 212 of the matching portion 21 forms an annular groove, and the extension column 213 is located in the middle of the rear groove 212. The end of the extension column 213 can be higher or lower than the notch of the rear groove 212, and can be flush with the notch of the rear groove 212. The end of the liquid-conducting core 201 can extend out of the through hole 214 or be flush with the end of the extension column 213.
[0052] In some embodiments, the end of the extension column 213 may be configured as a diameter-reduced structure, which facilitates the extension column 213 to be inserted into the ink outlet 221 of the ink tank 22 .
[0053] In some embodiments, Figure 3As shown, the writing piece 20 includes a regulator 200, a pen tip 202 is arranged at the head of the regulator 200, a liquid guiding core 201 extends into the regulator 200, one end of the liquid guiding core 201 is connected to the pen tip 202, and the other end extends out of the tail of the regulator 200 and extends into the ink tank 22. The inside of the regulator 200 is connected to the atmosphere, and the liquid guiding core 201 absorbs ink in the ink tank 22 and enters the regulator 200. The ink reaches the pen tip 202 after being regulated by the regulator 200, so that the pen tip 202 can discharge ink evenly. The regulator 200 can adopt a conventional structure in the art.
[0054] In some embodiments, Figure 1 and Figure 2 As shown, a pressing component 4 is provided at the rear of the pen barrel 1, and the pressing component 4 is configured to drive the refill assembly 2 to slide in the pen barrel 1. (The pressing component may be a conventional structure such as a pen cap). Pressing the pressing component 4 at the rear of the pen barrel 1 can drive the refill assembly 2 to slide, and can make the pen tip 202 extend out of the access hole 11 of the pen barrel 1.
[0055] Specifically, the pressing component 4 can be matched with the tail of the ink tank 22 , and the ink tank 22 can be pushed to drive the core assembly 2 to slide as a whole in the pen body 1 .
[0056] In some embodiments, Figure 3 As shown, a spring 3 is disposed inside the pen holder 1 , and the spring 3 is configured to apply an elastic force to the matching portion 21 in a direction away from the access hole 11 .
[0057] In some embodiments, Figure 4 As shown, the tail of the matching portion 21 forms a limiting portion 216, and the limiting portion 216 is used to match with the spring 3. The limiting portion 216 extends radially outward from the tail of the matching portion 21, and the spring 3 is sleeved on the outside of the matching portion 21, one end of the spring 3 is matched on the limiting portion 216, and the other end of the spring 3 is matched on the inside of the pen holder 1. The spring 3 applies an elastic force to the matching portion 21 in a direction away from the access hole 11 through the limiting portion 216, driving the refill assembly 2 to slide in the pen holder 1.
[0058] In detail, the spring 3 can extend to the outside of the writing piece 20, saving space in the pen holder 1 and making the overall structure of the writing instrument compact.
[0059] In the initial position, the pen tip 202 of the refill assembly 2 is located inside the pen barrel 1. Pressing the pressing component 4 at the rear of the pen barrel 1 can drive the refill assembly 2 to overcome the elastic force of the spring 3 and slide inside the pen barrel 1. The refill assembly 2 slides to the writing position where the pen tip 202 extends out of the access hole 11 of the pen barrel 1, and the pressing component 4 can limit the refill assembly 2 to the writing position where the pen tip 202 extends out of the access hole 11. Pressing the pressing component 4 again, the spring 3 can drive the refill assembly 2 back to the initial position where the pen tip 202 is retracted into the access hole 11.
[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model 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 various embodiments of the utility model.
Claims
1. A writing stationery with a replaceable ink tank, characterized in that: include: A pen holder, wherein the head of the pen holder is provided with an access hole; A refill assembly, the refill assembly comprising a writing piece and an ink tank arranged in the pen shaft, the head of the writing piece being provided with a pen tip close to the inlet and outlet hole, the tail of the writing piece being provided with a matching portion, a liquid guide core being arranged in the writing piece, the tail of the matching portion forming an extension column and a rear groove surrounding the extension column, the extension column being provided with a through hole for the liquid guide core to extend out, the ink outlet of the ink tank being used to be inserted into the rear groove, and the extension column being used to be inserted into the ink outlet.
2. The writing instrument with replaceable ink tank according to claim 1, characterized in that: The opening of the rear groove is processed into a flared structure.
3. The writing instrument with replaceable ink tank according to claim 1, characterized in that: A first notch communicating with the rear groove is formed on the side wall of the matching portion.
4. The writing instrument with replaceable ink tank according to claim 1, characterized in that: The tail of the extension column forms a second notch communicating with the through hole.
5. The writing instrument with replaceable ink tank according to claim 1, characterized in that: The through hole forms a step groove at the rear end of the extension column.
6. The writing instrument with replaceable ink tank according to any one of claims 1 to 5, characterized in that: A pressing component is provided at the tail of the pen barrel, and the pressing component is configured to drive the core assembly to slide in the pen barrel.
7. The writing instrument with replaceable ink tank according to claim 6, characterized in that: A spring is arranged in the pen holder, and the spring is configured to apply an elastic force to the matching portion in a direction away from the inlet and outlet hole.
8. The writing instrument with replaceable ink tank according to claim 7, characterized in that: A limiting portion for cooperating with the spring is formed on the matching portion.