Falling-resistant pen point
By setting up an anti-collision mechanism on the connecting head of the neutral pen and the side of the needle head, the problem of the pen tip falling and snapping into the ink tube is solved, and the drop resistance and safety of the pen tip are improved.
Patent Information
- Application Number
- CN202421139691.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing neutral pen tip is prone to falling off during use, causing the pen tip to hit the inside of the ink tube, causing problems such as unusable and waste.
A drop-resistant pen tip is designed. By setting an anti-collision mechanism on the sides of the connecting head and the needle head, including a second clamping block, a third clamping block and a pad, the strength and drop-resistant pen tip are improved to prevent the pen tip from snapping into the interior of the connecting head.
It effectively improves the drop resistance of the pen tip, increases the safety of use, prevents the pen tip from crashing into the ink tube when it falls, and reduces waste and maintenance costs.
Smart Images
Figure CN222554615U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gel pens, in particular to a drop-resistant pen head. Background Art
[0002] A gel pen, whose full name is medium-viscosity gel-like water-based pigment ink, also known as a gel ink ballpoint pen, is a writing tool. The appearance of a gel pen is similar to a ballpoint pen, and it has a replaceable refill. The viscosity of the writing ink is between that of water-based ballpoint pens and oil-based ballpoint pens. It has various specifications of pen tips, among which 0.3 mm, 0.5 mm, and 0.7 mm are more commonly used. Commonly used pen tips include bullet tips, needle tube types, fiber tips, etc.
[0003] During use, the existing pen tip is plugged into the lower end of the ink tube to introduce ink into the pen tip for writing. However, the gel pen is prone to fall during use. When the pen tip falls downward, it is easy to hit the inside of the ink tube, making the gel pen unusable and causing waste.
[0004] Therefore, it is necessary to invent a shatterproof pen tip to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a drop-resistant pen tip to solve the problem that a gel pen is prone to falling. When the pen tip falls downward, it is easy to hit the inside of an ink tube, making the gel pen unusable and causing waste.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drop-resistant pen tip, comprising an ink tube, the lower end of the ink tube is fixedly connected to a connector, the bottom of the connector is plugged with a needle tube head, the connector and the side of the needle tube head are provided with an anti-collision mechanism, the anti-collision mechanism comprises a second clamping block, a third clamping block and a cushion block, the lower end of the needle tube head is plugged with a writing head, a slot is provided inside the writing head, a positioning rod is provided inside the slot, a ball is rotatably connected inside the positioning rod, and the upper end of the positioning rod is fixedly connected to the lower end of the needle tube head.
[0007] By adopting the above technical solution, the needle tube head is inserted into the interior of the connector, and the strength of the needle tube head is improved by the third clamping block, while avoiding blocking the writing line of sight. The third clamping block is inserted into the interior of the second clamping block to avoid the needle tube head being stuck in the interior of the connector.
[0008] Optionally, the second clamping block is fixedly connected to a side surface of the connecting head, and a slot is provided on an inner wall of the connecting head located inside the second clamping block.
[0009] Optionally, the third clamping block is fixedly connected to the side wall of the needle tube head, and the third clamping block is slidably connected to the slot.
[0010] By adopting the above technical solution, the third clamping block is inserted into the interior of the slot to fix the needle tube head and the connector.
[0011] Optionally, a plurality of installation grooves are formed on the surface of the third clamping block, and the cushion block is fixed inside the installation grooves.
[0012] By adopting the above technical solution, when the needle tube head is hit, the cushion block cushions the needle tube head, thereby further improving the drop resistance of the needle tube head.
[0013] Optionally, a first ink outlet hole is formed inside the needle head, and a second ink outlet hole is formed at the bottom end of the needle head, and the first ink outlet hole is connected to the second ink outlet hole.
[0014] By adopting the above technical solution, the ink is delivered into the interior of the writing head through the first ink outlet hole and the second ink outlet hole.
[0015] Optionally, a slide groove is provided at the bottom end of the needle tube head, which is located outside the first ink outlet hole; a clamping ring is fixedly connected to the upper end of the writing head, and the clamping ring is slidably connected to the slide groove; a positioning groove is provided on the side wall of the slide groove; a positioning block is fixedly connected to the side of the clamping ring, and the positioning block is slidably connected to the positioning groove.
[0016] Optionally, a plurality of groups of positioning springs are fixedly connected to the upper end of the clamping ring, and the upper ends of the positioning springs are fixedly connected to the inner top wall of the slide groove.
[0017] By adopting the above technical solution, when not in use, the positioning spring pushes the writing head downward and retracts the ball into the interior of the writing head for protection. When in use, the writing head is pressed and slid upward to expose the ball, and writing can be done at this time.
[0018] Optionally, a first clamping block is fixedly connected to a side surface of the connector.
[0019] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0020] The utility model inserts the needle tube head into the interior of the connecting head and improves the strength of the needle tube head through the third clamping block, while avoiding blocking the writing line of sight. The third clamping block is inserted into the interior of the second clamping block to avoid the needle tube head being stuck into the interior of the connecting head, thereby improving the drop resistance of the pen tip and increasing the safety of using the pen tip, and solving the problem of the gel pen falling. When the pen tip falls downward, it is easy to hit the pen tip into the interior of the ink tube, making the gel pen unusable and causing waste. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the connector structure of the utility model;
[0023] Figure 3 This is a schematic diagram of the needle tube head structure of the utility model;
[0024] Figure 4 This is a schematic diagram of the installation slot structure of the utility model;
[0025] Figure 5 This is a schematic diagram of the writing head structure of the utility model.
[0026] Description of reference numerals:
[0027] 1. Ink tube; 11. Connecting head; 12. First clamping block; 13. Second clamping block; 2. Needle head; 21. Third clamping block; 22. Mounting groove; 23. Pad; 24. First ink outlet hole; 25. Second ink outlet hole; 26. Slide groove; 3. Writing head; 31. Clamping groove; 32. Ball bearing; 33. Snap ring; 34. Positioning spring; 35. Positioning rod. DETAILED DESCRIPTION
[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0029] The utility model provides Figure 1 and Figure 3 The shatterproof pen tip shown in the figure comprises an ink tube 1, a connector 11 is fixedly connected to the lower end of the ink tube 1, a first clamping block 12 is fixedly connected to the side of the connector 11, a needle tube head 2 is plugged into the bottom of the connector 11, an anti-collision mechanism is provided on the side of the connector 11 and the needle tube head 2, the anti-collision mechanism comprises a second clamping block 13, a third clamping block 21 and a cushion block 23, a writing head 3 is plugged into the lower end of the needle tube head 2, a card slot 31 is provided inside the writing head 3, a positioning rod 35 is provided inside the card slot 31, a ball 32 is rotatably connected to the inside of the positioning rod 35, and the positioning rod 35 is provided with a positioning ball 32. The upper end is fixedly connected to the lower end of the needle tube head 2, the second clamping block 13 is fixedly connected to the side of the connecting head 11, a slot is provided on the inner wall of the connecting head 11 located inside the second clamping block 13, the third clamping block 21 is fixedly connected to the side wall of the needle tube head 2, the third clamping block 21 is slidably connected to the slot, a plurality of groups of mounting grooves 22 are provided on the surface of the third clamping block 21, the cushion block 23 is fixed inside the mounting groove 22, a first ink outlet hole 24 is provided inside the needle tube head 2, a second ink outlet hole 25 is provided at the bottom end of the needle tube head 2, and the first ink outlet hole 24 and the second ink outlet hole 25 are connected.
[0030] Among them, the connector 11 is inserted into the lower end of the ink tube, and then the needle head 2 is inserted into the lower end of the connector 11, and the second clamping block 13 is clamped into the slot inside the first clamping block 12. The top of the slot supports the upper end of the second connector block to prevent the needle head 2 from being clamped deep into the connector 11 when it is hit. At the same time, the multiple groups of third clamping blocks on the side of the needle head 2 improve the structural strength of the needle head 2, avoid bending due to impact, and avoid blocking the user's line of sight, so as to facilitate writing.
[0031] See also Figure 4 and Figure 5 The bottom end of the needle tube head 2 is located on the outside of the first ink outlet hole 24 and is provided with a slide groove 26. The upper end of the writing head 3 is fixedly connected with a clamping ring 33, and the clamping ring 33 is slidably connected to the slide groove 26. The side wall of the slide groove 26 is provided with a positioning groove. The side of the clamping ring 33 is fixedly connected with a positioning block, and the positioning block is slidably connected to the positioning groove. The upper end of the clamping ring 33 is fixedly connected with multiple groups of positioning springs 34, and the upper end of the positioning spring 34 is fixedly connected to the inner top wall of the slide groove 26.
[0032] At the same time, during use, the writing tip 3 is pressed so that the lower end of the writing tip 3 is pressed against the paper surface, at which time the ball 32 is in contact with the paper surface, and writing is performed. When not in use, the positioning spring 34 pushes the writing tip 3 downward so that the ball 32 is located inside the writing tip 3 to avoid wear on the writing tip 3.
[0033] Working principle of the utility model: in order to improve the drop resistance of the pen tip and improve the safety of use, the needle tube head 2 is inserted into the lower end of the connecting head 11, and the second clamping block 13 is clamped into the slot inside the first clamping block 12. The top of the slot supports the upper end of the second connecting block to prevent the needle tube head 2 from being stuck deep into the connecting head 11 when it is hit. At the same time, multiple groups of third clamping blocks on the side of the needle tube head 2 improve the structural strength of the needle tube head 2 to avoid bending caused by impact, thereby effectively improving the drop resistance of the pen tip.
[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only preferred examples of the utility model, and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A drop-resistant pen tip, comprising an ink tube (1), characterized in that: The lower end of the ink tube (1) is fixedly connected to a connector (11), a needle tube head (2) is plugged into the bottom of the connector (11), and an anti-collision mechanism is provided on the side of the connector (11) and the needle tube head (2), the anti-collision mechanism comprising a second clamping block (13), a third clamping block (21) and a cushion block (23); the lower end of the needle tube head (2) is plugged into a writing head (3), a clamping groove (31) is provided inside the writing head (3), a positioning rod (35) is provided inside the clamping groove (31), a ball (32) is rotatably connected inside the positioning rod (35), and the upper end of the positioning rod (35) is fixedly connected to the lower end of the needle tube head (2).
2. The drop-resistant pen tip according to claim 1, characterized in that: The second clamping block (13) is fixedly connected to the side surface of the connecting head (11), and a slot is provided on the inner wall of the connecting head (11) at a position inside the second clamping block (13).
3. The drop-resistant pen tip according to claim 2, characterized in that: The third clamping block (21) is fixedly connected to the side wall of the needle tube head (2), and the third clamping block (21) is slidably connected to the slot.
4. The drop-resistant pen tip according to claim 1, characterized in that: The surface of the third clamping block (21) is provided with a plurality of installation grooves (22), and the cushion block (23) is fixed inside the installation grooves (22).
5. The drop-resistant pen tip according to claim 1, characterized in that: A first ink outlet hole (24) is provided inside the needle head (2), a second ink outlet hole (25) is provided at the bottom end of the needle head (2), and the first ink outlet hole (24) and the second ink outlet hole (25) are connected.
6. The drop-resistant pen tip according to claim 1, characterized in that: The bottom end of the needle head (2) is located outside the first ink outlet hole (24) and is provided with a slide groove (26); the upper end of the writing head (3) is fixedly connected to a clamping ring (33); the clamping ring (33) is slidably connected to the slide groove (26); a positioning groove is provided on the side wall of the slide groove (26); a positioning block is fixedly connected to the side of the clamping ring (33); the positioning block is slidably connected to the positioning groove.
7. The drop-resistant pen tip according to claim 6, characterized in that: The upper end of the clamping ring (33) is fixedly connected to a plurality of groups of positioning springs (34), and the upper ends of the positioning springs (34) are fixedly connected to the inner top wall of the sliding groove (26).
8. The drop-resistant pen tip according to claim 1, characterized in that: A first clamping block (12) is fixedly connected to the side surface of the connecting head (11).