Rotary pen

By introducing limiting and locking components into the rotating pen, combined with a spring and arc-shaped groove structure, the problem that existing rotating pens can only rotate in one direction is solved, enabling convenient and stable extension and retraction of the pen tip, thus improving the user experience.

CN223224117UActive Publication Date: 2025-08-15WENZHOU LANTU STATIONERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422494305.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-08-15
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing rotary pens can only rotate in one direction when the rotating axis is turned, which makes it easy for users to forget the direction and cause the pen to malfunction, resulting in a poor user experience.

Method used

A rotating pen was designed, which allows the pen tip to rotate freely in both directions by setting a limiting component and a locking component between the rotating rod and the rotating head. The extension and retraction of the pen tip are achieved by the action of a spring, and the stability and flexibility of the pen tip are ensured by the use of arc groove and groove structure.

Benefits of technology

It enables convenient extension and retraction of the pen refill without having to consider the direction of rotation, improving ease of use and user experience. The pen refill is stable when extended and is not prone to accidental retraction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223224117U_ABST
    Figure CN223224117U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of stationery, and discloses a rotary pen which comprises a rotary pen body, the rotary pen body comprises an upper penholder and a lower penholder, a rotary head is arranged on the side, away from the lower penholder, of the upper penholder, a rotary rod penetrating through the upper penholder is inserted into the rotary head, and a barrel is fixed to the end, away from the rotary head, of the rotary rod. A pair of rotating blocks is fixed to the end, away from the rotating head, of the barrel. A mounting cylinder used for mounting a refill is inserted into the cylinder body, a mounting block is fixed on the mounting cylinder, two arc-shaped grooves capable of containing the rotating blocks respectively are formed in the mounting block, and arc-shaped grooves capable of containing the tail ends of the rotating blocks are formed in the positions, at the connecting positions of the two arc-shaped grooves, of the mounting block respectively; the refill is sleeved with a spring, and a limiting assembly for limiting the mounting barrel to reciprocate in the direction of the refill is arranged between the upper pen holder and the mounting block; the rotary pen has the advantage that the rotary pen is convenient to use.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of stationery, and in particular to a rotary pen. Background Art

[0002] Currently, writing pens are generally categorized as ballpoint pens, oil-based pens, and gel pens. Depending on how they are used, they can be further divided into rotary pens, press-type pens, and cap-type pens. Rotary pens typically rotate a rotating shaft to reciprocate the pen core within the barrel, extending or retracting the tip. However, currently, rotary pens only allow the shaft to rotate in one direction to extend or retract the core. This can lead to users mistaking the direction of rotation for errors, resulting in a poor user experience. Utility Model Content

[0003] In order to make the rotary pen convenient to use, the present application provides a rotary pen.

[0004] This application provides a rotating pen, which adopts the following technical solution:

[0005] A rotary pen, comprising a rotary pen body, the rotary pen body comprising an upper pen shaft and a lower pen shaft, a rotating head being provided on a side of the upper pen shaft away from the lower pen shaft, a rotating rod passing through the upper pen shaft being inserted into the rotating head, a cylindrical body being fixed to one end of the rotating rod away from the rotating head, and a pair of rotating blocks being fixed to one end of the cylindrical body away from the rotating head;

[0006] A mounting cylinder for mounting a refill is inserted into the barrel, a mounting block is fixed on the mounting cylinder, and the mounting block is provided with two arc-shaped grooves capable of accommodating the rotating block respectively. The mounting block is provided with an arc-shaped groove capable of accommodating the end of the rotating block at the connection between the two arc-shaped grooves;

[0007] A spring is sleeved on the pen core, and a limiting component is provided between the upper pen rod and the mounting block to limit the mounting cylinder to move back and forth along the direction of the pen core.

[0008] By adopting the above technical solution, before use, the pen refill of the rotary pen body is in its original position, that is, in a retracted state. The rotating head is rotated, which drives the rotating rod, which in turn drives the barrel and the rotating block to rotate. The rotating block slides along the inner wall of the arc-shaped groove, thereby pushing the mounting block downward toward the pen shaft. Simultaneously, the spring is compressed, and the rotating block drives the mounting barrel and the pen refill downward toward the pen shaft. When the rotating block rotates into the groove, it stops rotating, and the pen refill is extended, ready for writing. After writing is completed, the rotating head can be rotated again in both forward and reverse directions, driving the rotating head to move out of the groove. After leaving the groove, the rotating block moves along the inner wall of the arc-shaped groove, while the spring pushes the pen refill and the mounting barrel toward the rotating head. When the rotating block is fully rotated into the arc-shaped groove, the spring returns to its original position, and the pen refill returns to its retracted state. The rotary pen of this application does not require consideration of the rotation direction; the pen refill can be extended or retracted at any time by rotating in the forward or reverse direction, greatly improving the convenience and user experience of the rotary pen.

[0009] Preferably, the limiting assembly includes a slider arranged on the mounting block, and a sliding groove slidably connected to the slider is provided on the inner wall of the upper pen barrel.

[0010] By adopting the above technical solution, when the mounting block moves back and forth, the slider slides back and forth along the sliding groove, thereby limiting the sliding direction of the mounting block.

[0011] Preferably, a locking assembly is provided between the rotating rod and the upper pen shaft, which prevents the pen core from being easily retracted when the pen core is in an extended state.

[0012] By adopting the above technical solution, the locking assembly can increase the force of the rotating head, so that the pen core is not easily retracted due to accidental contact with the rotating head during writing.

[0013] Preferably, the locking assembly includes two first elastic blocks arranged on the rotating rod, two pairs of second elastic blocks are arranged on the surface of the upper pen barrel that contacts the rotating rod, and a locking groove that can accommodate the first elastic block is formed between each pair of second elastic blocks; the connecting line of the two first elastic blocks passes through the axis of the rotating rod; when the pen core is in the extended state, the first elastic block is plugged into the locking groove.

[0014] By adopting the above technical solution, the arrangement of the first and second elastic blocks allows the first elastic block to be squeezed and deformed into the locking groove, and when the upper pen holder rotates, the first elastic block can be driven out of the locking groove. The arrangement of the first elastic block and the locking groove ensures that the pen refill is relatively stable when in the extended state, preventing it from retracting.

[0015] Preferably, a limiting component whose positions are fixed to each other is provided between the rotating head and the rotating rod.

[0016] By adopting the above technical solution, the fixing between the rotating head and the rotating rod can be improved, relative sliding is not easy to occur, and the sensitivity is better when the rotating head is rotated.

[0017] Preferably, the limiting component includes a plug-in block arranged inside the rotating head, and the end of the rotating rod close to the rotating head is provided with a plug-in slot plugged with the plug-in block.

[0018] By adopting the above technical solution, when installing the rotating head, the plug-in block is plugged into the plug-in slot, which can make the rotating head more firmly installed and prevent the rotating head from rotating insensitively due to the relative movement between the rotating head and the rotating rod.

[0019] Preferably, a plurality of hand-holding slots are provided on the side of the rotating head.

[0020] By adopting the above technical solution, the hand-held slot can prevent fingers from slipping on the rotating head when the rotating head is rotated, making it convenient to use.

[0021] Preferably, a plurality of through holes are provided on the upper pen holder near the barrel.

[0022] By adopting the above technical solution, the barrel can be seen through the through hole, and advertisements can be set on the barrel for promotion, or other contents can be set to increase the interest of the rotary pen.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. The rotary pen of this application does not need to consider the rotation direction. It can be rotated in the forward or reverse direction at any time to extend and retract the pen core, or it can be rotated in the same direction to extend and retract the pen core, which greatly improves the convenience and good experience of using the rotary pen.

[0025] 2. The arrangement of the first and second elastic blocks allows the first elastic block to be squeezed and deformed into the locking groove, and rotation of the upper pen holder can drive the first elastic block out of the locking groove. The arrangement of the first elastic block and the locking groove ensures that the pen core is relatively stable when extended, preventing it from retracting. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a rotary pen according to an embodiment.

[0027] Figure 2 It is a schematic diagram showing the structure inside the rotary pen body.

[0028] Figure 3 It is a structural diagram showing a rotating head.

[0029] Figure 4It is a structural diagram of the upper pen holder.

[0030] Figure 5 It is a structural diagram showing the second elastic block.

[0031] Explanation of the accompanying symbols: 1. Rotatable pen body; 11. Upper pen shaft; 111. Slide groove; 112. Second elastic block; 113. Locking groove; 12. Lower pen shaft; 121. Pen tip; 13. Through hole; 2. Rotating head; 21. Rotating rod; 211. Plug-in groove; 212. First elastic block; 22. Cylinder; 23. Rotating block; 24. Plug-in block; 25. Hand-holding groove; 3. Mounting cylinder; 31. Mounting block; 311. Slider; 32. Arc groove; 33. Groove; 4. Pen core; 41. Spring. DETAILED DESCRIPTION

[0032] The following is a further detailed description of this application in conjunction with the specific content. Example

[0033] A rotating pen, such as Figure 1 and Figure 2 As shown, the pen body 1 comprises a rotary pen, comprising an upper pen shaft 11 and a lower pen shaft 12, which are connected by threads. A pen tip 121 is provided at the end of the lower pen shaft 12 facing away from the upper pen shaft 11, for extending or retracting the pen refill 4. A rotating head 2 is provided at the end of the upper pen shaft 11 facing away from the lower pen shaft 12. A rotating rod 21 is inserted into the rotating head 2 and extends through the end surface of the upper pen shaft 11. A barrel 22 is fixedly connected to the end of the rotating rod 21 facing away from the rotating head 2. A pair of tapered rotating blocks 23 are fixedly connected to the end of the barrel 22 facing away from the rotating head 2. The ends of the rotating blocks 23 facing away from the barrel 22 are arcuately shaped. A mounting barrel 3 is inserted into the end of the barrel 22 near the rotating blocks 23, for receiving the pen refill 4. The mounting barrel 3 is open at the end facing away from the rotating head 2, and a mounting block 31 is fixed to the open end. The mounting block 31 has two arcuate slots 32 formed therein to accommodate the rotating blocks 23. The mounting block 31 is provided with an arcuate groove 33 at the connection of the two arcuate grooves 32. After the pen core 4 is installed, a spring 41 is provided at a position close to the pen tip 121.

[0034] Before use, the pen core 4 is in its original position, i.e., the pen core 4 is in a retracted state. The rotating head 2 is rotated, which drives the rotating rod 21 to rotate. The rotating rod 21 drives the barrel 22 and the rotating block 23 to rotate. The rotating block 23 slides along the inner wall of the arc groove 32, thereby pushing the mounting block 31 toward the lower pen shaft 12. At the same time, the spring 41 is compressed, and the rotating block 23 drives the mounting barrel 3 and the pen core 4 to move toward the lower pen shaft 12. When the rotating block 23 rotates into the groove 33, it stops rotating. At this time, the pen core 4 extends out of the pen tip 121, allowing writing. Due to the position limit of the rotating block 23 in the groove 33, the pen core 4 is not easy to retract during the writing process, making writing convenient. After writing is completed, the rotating head 2 can be rotated further in both directions. The rotating head 2 drives the rotating block 23 to leave the groove 33. After leaving the groove 33, the rotating block 23 moves along the inner wall of the arc groove 32. At the same time, the spring 41 pushes the pen core 4 and the mounting barrel 3 toward the rotating head 2. When the rotating block 23 is completely rotated into the arc groove 32, the spring 41 is in its original position and the pen core 4 returns to its retracted state.

[0035] like Figure 2 and Figure 3 As shown, a limiting assembly is provided between the rotating head 2 and the rotating rod 21 to limit their relative positions. This limiting assembly includes a plug-in block 24 disposed within the rotating head 2. Correspondingly, a slot 211 is provided on the end of the rotating rod 21 proximal to the rotating head 2, which engages with the plug-in block 24. When the rotating head 2 is installed, the plug-in block 24 engages with the slot 211, ensuring a more secure installation and preventing inflexible rotation of the rotating head 2 due to relative movement between the rotating head 2 and the rotating rod 21.

[0036] like Figure 2 and Figure 4 As shown, a limiter assembly is positioned between the mounting block 31 and the upper pen barrel 11 to restrict the reciprocating movement of the mounting block 31 in the direction of the refill 4. This limiter assembly comprises two bar-shaped sliders 311, one on either side of the mounting block 31. Correspondingly, two slots 111 are provided on either side of the interior of the upper pen barrel 11, each slidably connected to the bar-shaped sliders. As the mounting block 31 reciprocates, the sliders 311 slide back and forth along the slots 111, thereby limiting the sliding direction of the mounting block 31.

[0037] like Figure 2 and Figure 5As shown, a locking assembly is provided between the rotating rod 21 and the upper pen shaft 11 to prevent the refill 4 from retracting when the refill 4 is extended from the pen tip 121. The locking assembly includes two first elastic blocks 212 disposed on the rotating rod 21, with the connecting line of the two first elastic blocks 212 passing through the axis of the rotating rod 21. Correspondingly, two pairs of second elastic blocks 112 are provided on the inner wall of the upper pen shaft 11 near the rotating rod 21, with a locking groove 113 between each pair of second elastic blocks 112. When the refill 4 is extended from the pen tip 121, the first elastic block 212 rotates into the locking groove 113 and the locking groove 113 engages, thereby preventing the rotating block 23 from disengaging from the groove 33.

[0038] like Figure 3 As shown, a plurality of hand-holding slots 25 are provided on the side of the rotating head 2. The hand-holding slots 25 can prevent the fingers from slipping with the rotating head 2 when the rotating head 2 is rotated.

[0039] like Figure 1 As shown, the upper pen holder 11 is provided with a through hole 13 near the barrel 22. The barrel 22 can be seen through the through hole 13, and advertisements can be set on the barrel 22 for publicity, or other content can be set to increase the interest of the rotary pen.

[0040] The operating principle of the rotary pen of the present application is as follows: before use, the pen core 4 is in a retracted state. The rotating head 2 is rotated forward or reverse, causing the rotating head 2 to drive the rotating block 23 to slide along the inner wall of the arcuate groove 32, thereby pushing the mounting block 31 toward the lower pen shaft 12 until the pen core 4 extends out of the nib 121. Simultaneously, the spring 41 is compressed, allowing writing to begin. After writing is completed, the rotating head 2 can be further rotated forward or reverse, driving the rotating block 23 out of the groove 33. Simultaneously, the spring 41 pushes the pen core 4 and the mounting barrel 3 toward the rotating head 2. Once the spring 41 is in its original position, the pen core 4 returns to its retracted state.

[0041] This specific embodiment is merely an explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed. However, as long as such modifications are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A rotary pen, characterized in that: The rotary pen body (1) comprises an upper pen shaft (11) and a lower pen shaft (12); a rotating head (2) is provided on a side of the upper pen shaft (11) away from the lower pen shaft (12); a rotating rod (21) passing through the upper pen shaft (11) is inserted into the rotating head (2); a barrel (22) is fixed to one end of the rotating rod (21) away from the rotating head (2); and a pair of rotating blocks (23) are fixed to one end of the barrel (22) away from the rotating head (2); A mounting cylinder (3) for mounting a pen core (4) is inserted into the cylinder (22), a mounting block (31) is fixed on the mounting cylinder (3), two arc-shaped grooves (32) are provided on the mounting block (31), each of which can accommodate the rotating block (23), and an arc-shaped groove (33) is provided at the connection between the two arc-shaped grooves (32) on the mounting block (31), each of which can accommodate the end of the rotating block (23); A spring (41) is sleeved on the pen core (4), and a limiting component is provided between the upper pen rod (11) and the mounting block (31) to limit the reciprocating movement of the mounting cylinder (3) in the direction of the pen core (4).

2. A rotary pen according to claim 1, characterized in that: The limiting assembly comprises a sliding block (311) arranged on the mounting block (31), and a sliding groove (111) slidably connected to the sliding block (311) is provided on the inner wall of the upper pen shaft (11).

3. The rotary pen according to claim 1, characterized in that: A locking assembly is provided between the rotating rod (21) and the upper pen rod (11), which prevents the pen core (4) from being easily retracted when the pen core (4) is in an extended state.

4. The rotary pen according to claim 3, characterized in that: The locking assembly comprises two first elastic blocks (212) arranged on the rotating rod (21); two pairs of second elastic blocks (112) are arranged on the inner wall of the upper pen shaft (11) near the rotating rod (21); a locking groove (113) capable of accommodating the first elastic block (212) is provided between each pair of the second elastic blocks (112); a line connecting the two first elastic blocks (212) passes through the axis of the rotating rod (21); when the pen core (4) is in an extended state, the first elastic block (212) is plugged into the locking groove (113).

5. The rotary pen according to claim 1, characterized in that: A limiting component whose positions are fixed to each other is provided between the rotating head (2) and the rotating rod (21).

6. The rotary pen according to claim 5, characterized in that: The limiting assembly comprises a plug-in block (24) arranged inside the rotating head (2); an end of the rotating rod (21) close to the rotating head (2) is provided with a plug-in slot (211) plugged into the plug-in block (24).

7. The rotary pen according to claim 1, characterized in that: A plurality of hand-holding slots (25) are provided on the side of the rotating head (2).

8. The rotary pen according to claim 1, characterized in that: The upper pen rod (11) is provided with a plurality of through holes (13) at a position close to the barrel (22).