Writing tool capable of pulling out core by twisting
By introducing a driving component and a limiting structure into the twist-out writing tool, flexible control of the pen lead extension and retraction is achieved, solving the problem of the rigidity of traditional twist-out pens and increasing ease of use and the fun of stationery.
Patent Information
- Application Number
- CN202520368162.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Traditional twist-type refill pens lack flexibility in refill and return control, making them rather rigid to use.
A twisting pen tip writing tool was designed, which uses a driving component and a limiting structure. The driving component can rotate clockwise or counterclockwise. The flexible extension and retraction of the pen tip is achieved through the driving structure and the limiting structure. The pen tip can be extended or retracted in any direction of rotation of the driving component. Different content can be displayed in combination with the display window.
It achieves flexible retraction control of the pen refill, increasing the convenience and entertainment of use, and adds diversity and fun to stationery through the display window.
Smart Images
Figure CN223948892U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to stationery field, concretely is a twist out core writing tool. BACKGROUND
[0002] The core out pen is as daily convenient writing tool, its core out mode is various, wherein the pluck twist out core and the twist out core are two more common kinds. The traditional pluck twist out core and the twist out core structure mostly realize through the pluck rotation wheel mode. The twist out core is through the corresponding position of the rotation pen body, realizes the displacement of the pen core in the pen holder, makes the pen head to stretch out and write. When finishing writing, again reverse rotation corresponding position, the pen core is retracted.
[0003] For the twist out core pen, it can only realize the one-way twist generally, and the control flexibility of the core out and the core back is insufficient. UTILITY MODEL CONTENT
[0004] In view of one of the deficiencies of the prior art, the utility model provides a twist out core writing tool, which solves the problem of the core out structure of the twist type core out pen.
[0005] To achieve the above object, the utility model provides the following technical scheme: a twist out core writing tool, which comprises a pen holder, a pen core arranged inside the pen holder, and further comprises:
[0006] A driving member is arranged at one end of the pen holder and is rotationally connected with the pen holder. The driving member can rotate in the clockwise direction or the counterclockwise direction.
[0007] A limiting structure is arranged between the pen core and the pen holder. The limiting structure limits the movement path of the pen core. The pen core can move along the length direction of the pen holder under the limitation of the limiting structure.
[0008] A driving structure is arranged between the pen core and the driving member. The driving member is linked with the pen core through the driving structure. The pen core can be extended or retracted to the end of the pen holder in any rotation direction of the driving member.
[0009] Preferably, the pen holder comprises:
[0010] A first pen body is a straight cylinder. One end of the first pen body is rotationally connected with the driving member.
[0011] A second pen body is connected with the first pen body. One end of the second pen body, which is away from the first pen body, is the pen head entry and exit end of the pen core.
[0012] Preferably, the pen holder further comprises:
[0013] A display window is arranged on the first pen body. The display window is a through hole. A display area is arranged on the driving structure corresponding to the display window.
[0014] Preferably, the driving structure comprises:
[0015] a driving member arranged inside the first pen body, the driving member and the driving member being linked together; the driving member being rotatable inside the first pen body under the driving of the driving member;
[0016] a driven member, one end of which is connected to the refill and the other end of which is linked to the driving member; the driven member being movable along the length direction of the first pen body under the driving of the driving member.
[0017] Preferably, the driving structure is arranged on the driven member corresponding to the display area of the display window.
[0018] Preferably, the limiting structure is arranged between the driven member and the first pen body, and the limiting structure comprises:
[0019] a guide member, which is a long strip body fixedly arranged on the inner wall of the first pen body;
[0020] a guide groove, which is a long slot arranged on the driven member, the guide member and the guide groove being slidingly connected; the length direction of the guide member and the guide groove is parallel to the length direction of the pen barrel.
[0021] Preferably, the driving structure comprises:
[0022] a first recess, the recess direction of which is the movement direction of the refill;
[0023] a second recess, which is arranged adjacent to the first recess, the second recess being located on one side of the first recess;
[0024] a convex portion, which is arranged corresponding to the first recess and the second recess;
[0025] the first recess and the second recess are arranged at least one, and the transition surface structure is arranged between the first recess and the second recess; the convex portion is slidingly arranged along the edge structure of the first recess and the second recess.
[0026] Preferably, the recess depth of the second recess is smaller than that of the first recess, when the convex portion is located at the maximum recess position of the first recess, the pen head of the refill is retracted inside the pen barrel; when the convex portion is located inside the second recess, the pen head of the refill is located outside the pen barrel.
[0027] Preferably, two first recesses and two second recesses are arranged respectively, the first recesses and the second recesses are staggered arranged, and the first recesses and the second recesses are circumferentially distributed.
[0028] one convex portion is arranged corresponding to each group of the first recesses and the second recesses.
[0029] Preferably, the first recesses and the second recesses are arranged on the driven member, and the convex portion is arranged on the driving member.
[0030] Compared with the prior art, the following beneficial effects are achieved: the rotation of the driving member drives the sliding of the refill, so that the pen tip extends or retracts from the end of the pen barrel. The driving structure and the limiting structure are provided, and the rotation direction of the driving member is not limited, whether reciprocating or unidirectional rotation, the refill can be driven to move correspondingly. In addition to being convenient to use, it also has the effect of decompression, increasing the entertainment of stationery.
[0031] In addition, the pen barrel is provided with a display window, which can display different contents corresponding to the movement of the refill through the display window and the internal driven member, increasing the diversity of stationery. BRIEF DESCRIPTION OF DRAWINGS
[0032] Figure 1 is a schematic view of the overall structure of the embodiment of the present application;
[0033] Figure 2 is an exploded view of the embodiment of the present application;
[0034] Figure 3 is a partial enlarged view of A of Figure 2 ;
[0035] Figure 4 is an enlarged schematic view of the driven member of the embodiment of the present application;
[0036] Figure 5 is an enlarged schematic view of the driving member of the embodiment of the present application;
[0037] Figure 6 is an enlarged schematic view of the driving member of the embodiment of the present application.
[0038] In the drawings:
[0039] 1, pen barrel; 11, first pen body; 12, second pen body; 13, display window; 2, refill; 3, driving member; 41, driving member; 42, driven member; 43, first recess; 44, second recess; 45, protrusion; 51, guide member; 52, guide groove. DETAILED DESCRIPTION
[0040] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0041] Please refer to Figures 1-3 , the present application provides the following technical solutions:
[0042] A twist-out core writing tool, comprising a pen barrel 1, a pen core 2 arranged inside the pen barrel 1, a driving member 3 rotationally connected to one end of the pen barrel 1, the driving member 3 can rotate freely, i.e. the driving member 3 can rotate towards clockwise or counterclockwise direction. A limiting structure is arranged between the pen core 2 and the pen barrel 1, the limiting structure limits the moving path of the pen core 2, the pen core 2 can move along the length direction of the pen barrel 1 under the limitation of the limiting structure. A driving structure is further arranged between the pen core 2 and the driving member 3, the driving member 3 is linked with the pen core 2 through the driving structure; any rotation direction of the driving member 3 can drive the pen core 2 to extend or retract to the end of the pen barrel 1.
[0043] The driving mode of the pen core 2 is rotation driving, the pen core 2 moves through the rotation of the driving member 3, for example, the driving member 3 rotates a certain angle in clockwise direction, at this time, the pen tip part of the pen core 2 extends out of the end of the pen barrel 1, then the driving member 3 can rotate a certain angle in the same direction or reversely, the pen tip part of the pen core 2 retracts to the inside of the pen barrel 1.
[0044] On the basis of the above embodiment, the pen barrel 1 comprises a first pen body 11 and a second pen body 12, both of which are straight cylinder structures. One end of the first pen body 11 is rotationally connected with the driving member 3; the second pen body 12 is threadedly connected with the other end of the first pen body 11, and the end of the second pen body 12 away from the first pen body 11 is the pen tip entry and exit end of the pen core 2. A display window 13 is formed on the first pen body 11, the display window 13 is a through hole; a display area is arranged on the driving structure corresponding to the display window 13.
[0045] The driving structure comprises a driving member 41 and a driven member 42, both of which are located inside the first pen body 11. One end of the driving member 41 is coaxially fixedly connected with the driving member 3; the driving member 41 can rotate in the first pen body 11 under the driving of the driving member 3; one end of the driven member 42 is inserted with the pen core 2, and the other end is linked with the driving member 41; the driven member 42 can move along the length direction of the first pen body 11 under the driving of the driving member 41. A display area is arranged on the driven member 42 corresponding to the display window 13.
[0046] Patterns or characters and other display contents can be arranged on the display area, through the display window 13, the relevant contents on the display area of the driven member 42 can be seen, and because the driven member 42 will displace and change position, two display areas on the driven member 42 can be arranged with different display contents respectively, through the driving member 3, the position change of the pen core 2 is brought about, at the same time, the contents displayed in the display window 13 also change, the interest of stationery is increased.
[0047] On the basis of the above embodiment, see Figures 2 to 5The limiting structure is arranged between the driven member 42 and the first pen body 11, and comprises a guide member 51 and a guide groove 52, wherein the guide member 51 is a long strip-shaped block, and the guide groove 52 is a long strip-shaped groove corresponding to the guide member 51. The guide member 51 and the guide groove 52 are in sliding connection, and the length directions of the guide member 51 and the guide groove 52 are parallel to the length direction of the pen barrel 1. In this scheme, the guide member 51 is fixedly arranged on the inner wall of the first pen body 11, and the guide groove 52 is a long strip-shaped groove arranged on the driven member 42. Through the cooperation of the guide member 51 and the guide groove 52, the driven member 42 can only slide on the inner wall of the first pen body 11 and cannot rotate. The guide member 51 and the guide groove 52 can also be arranged in opposite manners, that is, the guide groove is arranged on the inner wall of the first pen body 11, and the guide block 51 is arranged on the driven member 42.
[0048] On the basis of the above-mentioned embodiment, referring to Figures 3 to 5 The driving structure comprises a first recess 43 and a second recess 44 arranged on the driven member 42, and the first recess 43 and the second recess 44 are arranged at the end of the driven member 42 facing the driving member 41. The first recess 43 and the second recess 44 are recessed towards the pen head direction of the pen refill 2. The second recess 44 is arranged adjacent to the first recess 43, and the second recess 44 is located on one side of the first recess 43. At least one of the first recess 43 and the second recess 44 is arranged, and the transition surface structure is arranged between the first recess 43 and the second recess 44. The recess depth of the second recess 44 is smaller than that of the first recess 43.
[0049] A convex portion 45 is arranged on the driving member 41 corresponding to the first recess 43 and the second recess 44, and the convex portion 45 can slide along the edge structure of the first recess 43 and the second recess 44. The convex portion 45 is a convex block structure arranged on the driving member 41, and the end of the convex portion 45 facing the driven member 42 is a circular arc end.
[0050] The part of the driven member 42 facing the driving member 41 is a cylindrical structure, and the first recess 43 and the second recess 44 can be arranged one by one and are arranged on the cylinder wall of the driven member 42. When the convex portion 45 is located at the maximum recess position of the first recess 43, the pen refill 2 is in the retracted state, and the pen head is located inside the pen barrel 1. When the driving member 3 drives the driving member 41 to rotate, the convex portion 45 moves along the cylinder wall of the driven member 42, and moves from the first recess 43 to the second recess 44. In this process, the driven member 42 is pushed to slide along the first pen body 11, thereby driving the pen refill 2 to move. When the convex portion 45 moves into the second recess 44, the convex portion 45 enters the maximum recess position of the second recess 44, and at this time, the pen head of the pen refill 2 is located outside the pen barrel 1, and writing can be performed.
[0051] On the basis of the above-mentioned embodiment, referring to Figure 4Unlike the foregoing, in the present application, two first recesses 43 and two second recesses 44 are provided, the first recesses 43 and the second recesses 44 are staggered, and the first recesses 43 and the second recesses 44 are circumferentially distributed; and one convex part 45 is provided for each set of first recesses 43 and second recesses 44.
[0052] Through the structure, the driving member 3 can change the extension state of the refill 2 once per 90° rotation.
[0053] In the foregoing embodiment, the convex part 45 is provided on the driving member 41, and the first recesses 43 and the second recesses 44 are provided on the driven member 42. Alternatively, the convex part 45 can be provided on the driven member 42, and the first recesses 43 and the second recesses 44 can be provided on the driving member 41.
[0054] On the basis of the foregoing embodiment, an annular groove is provided on the driving member 41, and an annular boss is provided inside the first pen body 11. When the driving member 41 is installed, the annular groove of the driving member 41 is clamped at the annular boss of the first pen body 11, thereby achieving rotational connection of the two.
[0055] A plurality of insertion slots are provided on the end of the driving member 41, the extension direction of the insertion slots is the length direction of the first pen body 11, see Figure 6 An insertion block is provided on the inside of the driving member corresponding to the insertion slot, and coaxial fixed connection of the two is achieved through the insertion of the insertion block and the insertion slot. On the outside of the driving member 3, an anti-skid structure is provided, which can be circumferentially arrayed and uniformly distributed recesses or bosses.
[0056] In the description of the present application and the embodiments thereof, it should be understood that the terms "top", "bottom", "height", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0057] In the present application and the embodiments thereof, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "linked", "fixed", and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0058] In the present application and embodiments thereof, unless specifically stated and limited otherwise, "on" or "under" of a first feature with respect to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Also, "over", "above", and "on top of" of a first feature with respect to a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Under", "below", and "underneath" of a first feature with respect to a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally lower than the second feature.
[0059] The above disclosure provides many different embodiments or examples for implementing different structures of the present application. For the purpose of simplicity, the elements and settings of the particular examples in the above are described in some detail. This is, of course, done without loss of generality and is intended to provide what is believed to be the most useful and readily understood description of the structures as well as to fully convey the scope of the application. Descriptions of the various embodiments and / or settings are intended merely as illustrative examples and are not intended to limit the scope of the application. Furthermore, the various examples of the present application can be used in different embodiments and / or settings without departing from the scope of the present application. It is also noted that, as used in the specification and the appended claims, the singular forms "a," "an" and "the" include plural referents unless the context clearly dictates otherwise.
[0060] While the preferred embodiments of the application have been described, additional variations and modifications can be made to the preferred embodiments without departing from the spirit and scope of the application. Therefore, it is intended that the appended claims cover all such variations and modifications that come within the scope of the application. It is further intended that any and all patents, patent applications, and other publications mentioned in this specification are incorporated by reference.
[0061] Obviously, numerous modifications and variations of the present application are possible in light of the above teachings. It is therefore to be understood that within the scope of the appended claims and their equivalents, the application can be practiced otherwise than as specifically described.
Claims
1. A twist-to-eject writing instrument comprising a barrel, the barrel having a reservoir of writing material disposed therein, characterised in that, Also include: The drive is arranged at one end of the pen barrel, and the drive and the pen barrel are rotatably connected; The drive can be rotated in clockwise or counterclockwise direction respectively; The limiting structure is arranged between the pen core and the pen barrel, and the limiting structure limits the movement path of the pen core. The pen core can move along the length direction of the pen barrel under the limitation of the limiting structure; The driving structure is arranged between the pen core and the drive; the drive is linked with the pen core through the driving structure; any rotation direction of the drive can drive the pen core to extend or retract to the end of the pen barrel.
2. A twist-to-eject core writing instrument as defined in claim 1, wherein, The pen barrel comprises: The first pen body is a straight cylinder, one end of the first pen body is rotatably connected with the drive; The second pen body is connected with the first pen body, and the end of the second pen body away from the first pen body is the pen head inlet and outlet end of the pen core.
3. A twist-to-eject core writing instrument as defined in claim 2, wherein, The pen barrel further comprises: The display window is arranged on the first pen body, and the display window is a through hole; the driving structure is provided with a display area corresponding to the display window.
4. The twist-to-eject core writing instrument of claim 2 wherein, The driving structure comprises: The driving member is arranged inside the first pen body, and the driving member is linked with the drive; the driving member can be rotated in the first pen body under the driving of the drive; The driven member is connected with the pen core at one end and linked with the driving member at the other end; the driven member can move along the length direction of the first pen body under the driving of the driving member.
5. A twist-to-eject core writing instrument as defined in claim 4, wherein, The driving structure is arranged on the driven member corresponding to the display area of the display window.
6. The twist-to-eject core writing instrument of claim 4 wherein, The limiting structure is arranged between the driven member and the first pen body, and the limiting structure comprises: The guide member is a long strip block fixedly arranged on the inner wall of the first pen body; The guide groove is a long strip groove arranged on the driven member, and the guide member and the guide groove are slidably connected; the length direction of the guide member and the guide groove is parallel to the length direction of the pen barrel.
7. A twist-to-eject core writing instrument as defined in claim 6, wherein, The driving structure comprises: The first recess is recessed in the direction of movement of the pen core; The second recess is arranged adjacent to the first recess, and the second recess is located on one side of the first recess; The convex part is arranged corresponding to the first recess and the second recess; The first recess and the second recess are arranged at least one, and the transition surface structure is arranged between the first recess and the second recess; the convex part can slide along the edge structure of the first recess and the second recess.
8. A twist-to-eject core writing instrument as defined in claim 7, wherein, The recess depth of the second recess is smaller than that of the first recess; when the convex part is located at the maximum recess position of the first recess, the pen head of the pen core is retracted inside the pen barrel; when the convex part is located inside the second recess, the pen head of the pen core is located outside the pen barrel.
9. A twist-to-eject core writing instrument as defined in claim 8, wherein, The first recess and the second recess are arranged two respectively, and the first recess and the second recess are staggered and arranged in a circumferential direction; The convex part is arranged corresponding to each group of the first recess and the second recess.
10. A twist-to-eject core writing instrument as defined in claim 9, wherein, The first recess and the second recess are arranged on the driven member, and the convex part is arranged on the driving member.