Writing pen

Abstract

The utility model discloses a writing pen. The writing pen comprises a penholder, an opening is formed in one end of the penholder, and a mounting opening is formed in the side wall of the penholder; the pen refill is arranged in the pen holder in a sliding manner; the rotating driving module comprises a rotating component and a sliding component, a rotating driving part is arranged on the rotating component, a sliding driving part is arranged on the sliding component, and the rotating driving part and the sliding driving part are attached together; the sliding part is slidably arranged in the pen holder and connected with the refill, and the rotating part is rotatably arranged in the mounting opening; the rotating part is configured to rotate in the mounting opening so as to push the sliding driving part to slide towards the opening direction through the rotating driving part, and the sliding part is configured to drive the refill to synchronously slide towards the opening direction while sliding towards the opening direction. The whole structure of the writing pen is simplified, and the use smoothness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a writing stationery, especially a writing pen. BACKGROUND

[0002] The pen is a stationery commonly used in daily life, and the pen is divided into push pen and cap pen according to different use modes. The pen with screw mode switch is popularized due to the novelty of use mode, for example, the magnetic rotary telescopic pen disclosed in Chinese patent publication No. CN110395067A realizes the telescopic of the pen core by rotating. In order to realize the function of rotating to drive the pen core to telescope, the clamping part with polygonal clamping groove is configured, and the clamping part is matched with the clamping piece protrusion on the pen barrel to realize the telescopic of the pen core during rotation. The polygonal clamping groove arranged on the clamping part leads to complex structure, large processing difficulty and assembly difficulty, and the polygonal clamping groove and the clamping piece protrusion are relatively slid during rotation, which is easy to cause clamping jam, resulting in poor use smoothness. In view of this, how to design a stationery which simplifies the overall structure and improves the use smoothness is the technical problem to be solved by the utility model. SUMMARY

[0003] The utility model provides a writing pen, realize simplifying the overall structure of writing pen and improve use smoothness.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a writing pen, comprising:

[0006] The pen barrel is formed with an opening at one end, and an installation port is arranged on the side wall of the pen barrel;

[0007] The pen core is slidably arranged in the pen barrel;

[0008] The reset spring is arranged in the pen barrel and is configured to directly or indirectly apply a spring force to the pen core in the direction away from the opening;

[0009] The rotation driving module comprises a rotating part and a sliding part, the rotating part is provided with a rotating driving part, the sliding part is provided with a sliding driving part, and the rotating driving part and the sliding driving part are in close contact;

[0010] The sliding part is slidably arranged in the pen barrel, the sliding part is connected with the pen core, and the rotating part is rotatably arranged in the installation port;

[0011] The rotating part is configured to rotate in the mounting hole to push the sliding driving part to slide toward the opening direction by the rotating driving part, and the sliding part is configured to slide toward the opening direction while driving the refill to slide toward the opening direction synchronously.

[0012] In an embodiment of the present application, the rotating driving part protrudes from the inner surface of the rotating part, and the outer periphery of the rotating driving part forms a rotating driving curved surface.

[0013] The sliding driving part is in abutment with the rotating driving curved surface.

[0014] During the rotation of the rotating part to drive the sliding part to move toward the opening direction, the distance between the position where the sliding driving part is in contact with the rotating driving curved surface and the center line of the rotation of the rotating part gradually increases.

[0015] During the rotation of the rotating part and the movement of the sliding part toward the direction away from the opening direction under the action of the reset spring, the distance between the position where the sliding driving part is in contact with the rotating driving curved surface and the center line of the rotation of the rotating part gradually decreases.

[0016] In an embodiment of the present application, the position where the sliding driving part is in contact with the rotating driving curved surface is an arc surface.

[0017] In an embodiment of the present application, the sliding part is a sleeve, and the sleeve wall of the sleeve is provided with the sliding driving part.

[0018] The refill is inserted into the sleeve.

[0019] In an embodiment of the present application, the sleeve wall of the sliding part is provided with a strip-shaped mounting hole, the strip-shaped mounting hole includes a first opening section and a second opening section, the first opening section and the second opening section are in communication with each other, and the width of the first opening section is smaller than the width of the second opening section.

[0020] The inner surface of the rotating part is further provided with a connecting shaft, the connecting shaft is further provided with a stop disc, the connecting shaft passes through the strip-shaped mounting hole and is located in the first opening section, the width of the stop disc is greater than the width of the first opening section, and the width of the stop disc is smaller than the width of the second opening section.

[0021] In an embodiment of the present application, the surface of the stop disc opposite to the refill is a concave surface, and the concave surface is matched with the outer wall profile of the refill.

[0022] In an embodiment of the present application, the sleeve wall of the sliding part is provided with a recessed part, the recessed part forms an assembly surface, and the assembly surface is a plane.

[0023] The sliding driving part is a convex structure formed on the assembly surface, and the rotating driving part is arranged outside the assembly surface.

[0024] In an embodiment of the present application, the rotating driving part is provided with a first positioning notch at the end away from the rotation center line of the rotating part;

[0025] In the writing state where the pen head of the refill extends to the outside of the opening, the sliding driving part is clamped in the first positioning notch.

[0026] In an embodiment of the present application, the rotating driving part is provided with a second positioning notch at the end adjacent to the rotation center line of the rotating part;

[0027] In the state where the pen head of the refill is retracted to the maximum position in the pen barrel, the sliding driving part is clamped in the second positioning notch.

[0028] In an embodiment of the present application, the pen barrel comprises a first barrel body and a second barrel body, and the first barrel body and the second barrel body are detachably connected together;

[0029] The first barrel body is formed with the opening, and the second barrel body is formed with the mounting port.

[0030] The technical scheme of the present application has the following technical effects compared with the prior art: the mounting port is arranged on the barrel wall of the pen barrel to meet the installation requirements of the rotating driving module, the rotating part in the rotating driving module can rotate in the mounting port, and the rotating part realizes driving the sliding part to slide in the pen barrel by cooperating with the sliding driving part in the rotating process, thereby the sliding part can be driven to slide by the rotating part to drive the refill to move in the direction away from the pen barrel during the process that the pen head of the refill extends out of the opening, since the rotating movement is converted into linear movement by the rotating driving part and the sliding driving part which are close to each other, the phenomenon that the polygonal clamping groove is easily jammed during use is avoided, and the use smoothness is good; and the overall structure of the rotating driving module is simple, and the internal cooperation relationship is only realized by the external close contact between the rotating driving part and the sliding driving part, the structure is relatively simple, the processing difficulty and the assembly difficulty are relatively small, the overall structure of the writing pen is simplified, and the use smoothness is improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 FIG. 1 is a structural schematic view of an embodiment of the writing pen of the present application;

[0032] Figure 2 FIG. 4 is an exploded view of the writing pen; Figure 1

[0033] Figure 3 ​A sectional view of the writing pen in a writing state according to an embodiment of the utility model;

[0034] Figure 4 A sectional view of the writing pen in a retracted state according to an embodiment of the utility model;

[0035] Figure 5 For Figure 1 The assembly view of the writing pen;

[0036] Figure 6 For Figure 2 The structure schematic view of the rotating component;

[0037] Figure 7 For Figure 2 The structure schematic view of the sliding component;

[0038] Figure 8 The structure schematic view of another embodiment of the utility model writing pen;

[0039] Figure 9 For Figure 8 The explosion view of the writing pen;

[0040] Figure 10 A sectional view of the writing pen in a writing state according to another embodiment of the utility model;

[0041] Figure 11 A sectional view of the writing pen in a retracted state according to another embodiment of the utility model;

[0042] Figure 12 For Figure 9 The assembly view of the rotating drive module;

[0043] Figure 13 For Figure 9 The structure schematic view of the rotating component;

[0044] Figure 14 For Figure 9 The structure schematic view of the first sliding piece;

[0045] Figure 15 For Figure 9 The structure schematic view of the first sliding piece;

[0046] Figure 16 For Figure 9 The structure schematic view of the second sliding piece;

[0047] Figure 17 For Figure 9 The structure schematic view of the second sliding piece.

[0048] Reference signs:

[0049] 1, pen holder; 11, opening; 12, mounting port; 13, first rod body; 14, second rod body; 15, through hole; 16, guide protrusion;

[0050] 2, refill; 21, pen tip;

[0051] 3, rotary drive module; 31, rotating part; 32, sliding part; 33, first sliding member; 34, second sliding member; 35, functional member;

[0052] 311, rotary drive part; 312, rotary drive curved surface; 313, connecting shaft; 314, stop disc; 315, first positioning notch; 316, second positioning notch;

[0053] 321, sliding drive part; 322, strip-shaped mounting hole;

[0054] 3221, first opening section; 3222, second opening section;

[0055] 331, first sliding sub-drive part; 332, sliding guide part; 333, first sub-mounting hole;

[0056] 3321, first sliding slot; 3322, elastic clamping jaw;

[0057] 341, second sliding sub-drive part; 342, guide matching part; 343, second sub-mounting hole; 344, guide groove;

[0058] 3421, guide rib; 3422, second sliding slot;

[0059] 4, reset spring; 41, first spring; 42, second spring. DETAILED DESCRIPTION

[0060] Example one, as shown in the utility model provides a writing pen, comprising: Figures 1-7

[0061] Pen holder 1, one end of the pen holder 1 forms an opening 11, and a mounting port 12 is arranged on the side wall of the pen holder 1;

[0062] Refill 2, the refill 2 is slidably arranged in the pen holder 1;

[0063] Reset spring 4, the reset spring 4 is arranged in the pen holder 1 and is configured to directly or indirectly exert a spring force on the refill 2 in a direction away from the opening 11;

[0064] ​A rotating driving module 3 is arranged in the pen barrel 1, the rotating driving module 3 comprises a rotating component 31 and a sliding component 32, the rotating component 31 is provided with a rotating driving part 311, the sliding component 32 is provided with a sliding driving part 321, the rotating driving part 311 and the sliding driving part 321 abut together;

[0065] The sliding component 32 is slidably arranged in the pen barrel 1, the sliding component 32 is connected with the pen core 2, and the rotating component 31 is rotatably arranged in the mounting port 12;

[0066] The rotating component 31 is configured to rotate in the mounting port 12 to push the sliding driving part 321 to slide towards the opening 11 direction through the rotating driving part 311, and the sliding component 32 is configured to slide towards the opening 11 direction while driving the pen core 2 to slide towards the opening 11 direction synchronously.

[0067] Specifically, the mounting port 12 is arranged on the side wall of the pen barrel 1, the mounting port 12 on the side wall can meet the installation of the rotating component 31 in the rotating driving module 3, so that the rotating component 31 can rotate in the mounting port 12. The pen core 2 is located in the pen barrel 1 and can slide in the pen barrel 1, at the same time, the sliding component 32 in the rotating driving module 3 can also slide in the pen barrel 1, and the sliding of the sliding component 32 can drive the pen head 21 of the pen core 2 to extend out of the opening 11 to meet the writing requirement.

[0068] In the process of use, for the rotating component 31 and the sliding component 32, the two are matched through the abutting rotating driving part 311 and the sliding driving part 321, in the process of the pen head 21 of the pen core 2 extending out of the opening 11, the rotating driving part 311 applies pressure to the sliding driving part 321 to push the sliding component 32 to slide, so as to realize the conversion of the rotating motion of the rotating component 31 into the sliding of the sliding component 32.

[0069] In the process of driving the rotating component 31 to rotate, the rotating driving part 311 abuts on the sliding driving part 321 to drive the sliding component 32 to slide, the rotating driving part 311 and the sliding driving part 321 abut on each other externally, rather than adopting the guide groove mode, so that the rotating component 31 can push the sliding component 32 to slide more smoothly in the process of rotation, thereby improving the use smoothness.

[0070] In addition, in order to enable the refill 2 to be automatically reset, after the rotating part 31 is rotated to enable the sliding part 32 to drive the pen head 21 of the refill 2 to extend out of the opening 11; when the user rotates the rotating part 31 again, the rotating driving part 311 of the rotating part 31 will generate a moving trend away from the sliding driving part 321, and at this time, under the action of the reset spring 4, the refill 2 will be reversely retracted into the pen barrel 1 under the elastic force of the reset spring 4 and reversely slide by driving the sliding part 32, so that the sliding driving part 321 exerts pressure on the rotating driving part 311, thereby realizing the stable retraction of the refill 2.

[0071] In an embodiment of the present application, the rotating driving part 311 protrudes from the inner surface of the rotating part 31, and the outer periphery of the rotating driving part 311 forms a rotating driving curved surface 312;

[0072] The sliding driving part 321 abuts against the rotating driving curved surface 312;

[0073] During the rotation of the rotating part 31 to drive the sliding part 32 to move towards the opening 11, the distance between the position where the sliding driving part 321 contacts the rotating driving curved surface 312 and the rotation center line of the rotating part 31 gradually increases.

[0074] Specifically, the rotating driving part 311 protrudes from the inner surface of the rotating part 31 to meet the requirement of abutting contact with the sliding driving part 321 on the sliding part 32. The curved surface design of the rotating driving curved surface 312 formed by the rotating driving part 311 needs to meet the requirement that, during the rotation of the rotating part 31, the rotating driving curved surface 312 can contact the sliding driving part 321 to enable the sliding part 32 to move towards the opening 11 of the pen barrel 1 along with the rotation of the rotating part 31.

[0075] Specifically, during the rotation of the rotating part 31 by the user to enable the pen head 21 to extend out for writing, the rotating driving curved surface 312 abuts against the sliding driving part 321, and along with the movement of the refill 2, the distance between the position where the rotating driving curved surface 312 contacts the sliding driving part 321 and the rotation center line of the rotating part 31 gradually increases, so that the pen head 21 of the refill 2 can extend out of the opening 11.

[0076] Conversely, when the user finishes writing and rotates the rotating part 31 again. The rotating driving curved surface 312 will generate a trend of being separated from the sliding driving part 321, and under the action of the reset spring 4, the reset spring 4 transmits the elastic force to the sliding part 32 through the refill 2, so that the sliding driving part 321 always abuts against the rotating driving curved surface 312.

[0077] Specifically, in the process of rotating the rotating part 31 to retract the pen tip 21, in the process of rotating the rotating part 31 and moving the sliding part 32 towards the direction away from the opening 11 under the action of the reset spring 4, the distance between the position of the sliding driving part 321 contacting the rotating driving curved surface 312 and the center line of the rotating part 31 gradually decreases.

[0078] For the specific curved surface structure of the rotating driving curved surface 312, a convex arc surface is generally adopted, which can realize the sliding of the sliding part 32 by the contact and cooperation between the rotating driving curved surface 312 and the sliding driving part 321, and the convex arc surface can also smoothly drive the sliding of the sliding part 32 to improve the smoothness of operation.

[0079] In addition, in the process of the pen tip 21 being reversely retracted to the pen barrel 1 under the action of the reset spring 4, the rotating driving curved surface 312 can better cooperate with the movement of the sliding driving part 321 by using its smooth curved surface structure.

[0080] In an embodiment of the present application, the position of the sliding driving part 321 contacting the rotating driving curved surface 312 is an arc surface.

[0081] Specifically, the sliding driving part 321 is provided with an arc surface, so that the sliding driving part 321 can be smoothly contacted and cooperated with the rotating driving curved surface 312 and smoothly slide, which is more conducive to improving the smoothness of the sliding of the sliding part 32 driven by the rotating part 31, improving the user experience, and reducing the phenomenon of jamming.

[0082] In an embodiment of the present application, the sliding part 32 is a sleeve, and the sliding driving part 321 is formed on the pipe wall of the sleeve.

[0083] The pen core 2 is inserted into the sleeve.

[0084] Specifically, for the sliding part 32, the sleeve structure is adopted, and the pen core 2 can be inserted into the sliding part 32 to facilitate the quick assembly of the two.

[0085] In addition, the sliding driving part 321 is formed on the outer pipe wall of the sliding part 32, and the sliding driving part 321 can be well contacted with the rotating driving part 311 formed on the inner surface of the rotating part 31, so as to smoothly drive the sliding of the sliding part 32 by the rotating part 31.

[0086] In an embodiment of the present application, the sliding component 32 is provided with a strip-shaped mounting hole 322 on the tube wall, the strip-shaped mounting hole 322 comprises a first opening 11 segment and a second opening 11 segment, the first opening 11 segment and the second opening 11 segment are in communication with each other, and the width of the first opening 11 segment is smaller than the width of the second opening 11 segment.

[0087] The inner surface of the rotating component 31 is further provided with a connecting shaft 313, the connecting shaft 313 is further provided with a stop disc 314, the connecting shaft 313 passes through the strip-shaped mounting hole 322 and is located in the first opening 11 segment, the width of the stop disc 314 is greater than the width of the first opening 11 segment, and the width of the stop disc 314 is smaller than the width of the second opening 11 segment.

[0088] Specifically, in order to improve the reliability of assembly and ensure good contact between the rotating driving part 311 and the sliding driving part 321, the rotating component 31 is provided with the stop disc 314 through the connecting shaft 313, in the assembly process, the stop disc 314 can be inserted into the strip-shaped mounting hole 322 from the second opening 11 segment, and then the stop disc 314 moves to the first opening 11 segment, so that the stop disc 314 cannot be separated from the strip-shaped mounting hole 322.

[0089] In use, the rotating component 31 is connected together with the sliding component 32 through the limitation of the stop disc 314 and the connecting shaft 313, and then good contact between the rotating driving part 311 and the sliding driving part 321 is ensured, so as to ensure that the sliding component 32 is smoothly slid by the rotating driving part 311 driving the sliding driving part 321 during the rotation of the rotating component 31.

[0090] In an embodiment of the present application, the surface of the stop disc 314 opposite to the refill 2 is a concave surface, and the concave surface matches the outer wall contour of the refill 2.

[0091] Specifically, the stop disc 314 is formed with a concave surface, so that in the writing state, the stop disc 314 can be more fitted to the surface of the refill 2, and the stop disc 314 is used to position and support the refill 2 in the pen barrel 1.

[0092] In an embodiment of the present application, the tube wall of the sliding component 32 is formed with a recessed part, the recessed part forms an assembly surface, and the assembly surface is a plane.

[0093] The sliding driving part 321 is a convex structure formed on the assembly surface, and the rotating driving part 311 is arranged on the outer side of the assembly surface.

[0094] Specifically, the sliding component 32 adopts a sleeve structure, the outer surface of the sleeve wall is generally arc-shaped, and a fitting surface is formed on the outer sleeve wall of the sliding component 32 to enable the sliding driving part 321 to be in good contact with the rotating driving part 311, and the sliding driving part 321 is formed on the fitting surface.

[0095] In an embodiment of the present application, the end of the rotating driving part 311 away from the rotation center line of the rotating component 31 is provided with a first positioning notch 315.

[0096] When the pen head 21 of the refill 2 is extended to the outside of the opening 11 to be in a writing state, the sliding driving part 321 is clamped in the first positioning notch 315.

[0097] Specifically, in order to keep the pen head 21 stable after the pen head 21 of the refill 2 is extended to the outside of the pen barrel 1 to meet the requirement of the user for smooth writing, the sliding driving part 321 will be clamped in the first positioning notch 315 when the user rotates the rotating component 31 to extend the pen head 21 to the outside of the pen barrel 1. On the one hand, the rotating component 31 is kept in a state of not rotating without being subjected to a large external force, and on the other hand, the movement of the sliding component 32 is limited by the cooperation between the first positioning notch 315 and the sliding driving part 321 to ensure that the pen head 21 keeps the writing state of being exposed.

[0098] In another embodiment, the end of the rotating driving part 311 adjacent to the rotation center line of the rotating component 31 is provided with a second positioning notch 316.

[0099] When the pen head 21 of the refill 2 is retracted to the maximum position inside the pen barrel 1, the sliding driving part 321 is clamped in the second positioning notch 316.

[0100] Specifically, when the pen head 21 is retracted into the pen barrel 1, in order to position the retracted pen head 21, the sliding driving part 321 is clamped in the second positioning notch 316.

[0101] In an embodiment of the present application, the pen barrel 1 comprises a first barrel body 13 and a second barrel body 14, and the first barrel body 13 and the second barrel body 14 are detachably connected together.

[0102] The first barrel body 13 is provided with the opening 11, and the second barrel body 14 is provided with the mounting hole 12.

[0103] ​Specifically, to facilitate the assembly of components, the pen barrel 1 adopts a split structure. The mounting ends of the first rod 13 and the second rod 14 can be connected together by a threaded connection. The free end of the first rod 13 forms an opening 11 to meet the requirements of pen tip 21 extension and retraction. The second rod 14 is provided with a mounting port 12 to meet the installation requirements of the rotating component 31. After the pen tip 2 is inserted into the sliding component 32, the sliding component 32 is inserted into the second rod 14. Then, the rotating component 31 is assembled into the mounting port 12 and connected to the sliding component 32 through the connecting shaft 313 and the stop plate 314. Finally, the first rod 13 is connected to the second rod 14.

[0104] The technical solution of this utility model has the following technical effects compared with the prior art: By providing an installation port 12 on the wall of the pen barrel 1 to meet the installation requirements of the rotary drive module 3, the rotating component 31 in the rotary drive module 3 can rotate in the installation port 12. During the rotation, the rotating component 31 drives the sliding component 32 to slide in the pen barrel 1 through the cooperation of the rotary drive part 311 and the sliding drive part 321. Thus, when the pen tip 21 of the pen refill 2 extends out of the opening 11, the rotating component 31 drives the sliding component 32 to slide, thereby driving the pen refill 2 to move outward from the pen barrel 1. Since the rotary drive part 311 and the sliding drive part 321 are attached together to convert the rotational motion into linear motion, the phenomenon of jamming that is easy to occur during use due to the use of polygonal slots is avoided, and the smoothness of use is good. In addition, the overall structure of the rotary drive module 3 is simple and the internal cooperation relationship is only achieved through the external contact between the rotary drive part 311 and the sliding drive part 321. The structure is relatively simple, the processing difficulty and assembly difficulty are small, and the overall structure of the writing pen is simplified and the smoothness of use is improved.

[0105] Example 2, as Figures 8-17 As shown, this application also provides a rotary writing pen, based on the above embodiment one, the difference being that: one end of the pen barrel 1 has an opening 11, the other end of the pen barrel 1 has a through hole 15, and the side wall of the pen barrel 1 is provided with an installation port 12.

[0106] The rotary writing pen includes two sliding components 32, namely a first slider 33 and a second slider 34. The first slider 33 is provided with a first sliding sub-drive part 331, and the second slider 34 is provided with a second sliding sub-drive part 341. The second slider 34 is also provided with a functional part 35. The rotation drive part 311 is located between the first sliding sub-drive part 331 and the second sliding sub-drive part 341.

[0107] The first sliding member 33 is used to install the refill 2 to meet the requirement of driving the pen tip 21 of the refill 2 to extend out of the opening 11 of the pen barrel 1 to write. The second sliding member 34 is provided with a functional member 35 according to the requirement, and the functional member 35 is set according to the requirement. For example, the functional member 35 can be a decoration, or the functional member 35 can be a thermal erasable head, or the functional member 35 can be an eraser. Here, the specific performance entity of the functional member 35 is not limited.

[0108] The rotating member 31 is rotatably arranged in the installation port 12, and the first sliding member 33 and the second sliding member 34 are respectively slidably arranged in the pen barrel 1.

[0109] The rotating member 31 is configured to rotate in the installation port 12 to push the first sliding sub-driving part 331 and the second sliding sub-driving part 341 to slide by the rotating driving part 311.

[0110] The first sliding member 33 is configured to slide in the direction of the opening 11 under the pushing force of the first sliding sub-driving part 331 to drive the pen tip 21 of the refill 2 to extend out of the opening 11.

[0111] The second sliding member 34 is configured to slide in the direction of the through hole 15 under the pushing force of the second sliding sub-driving part 341 to drive the functional member 35 to extend out of the through hole 15.

[0112] The sliding direction of the first sliding member 33 is opposite to the sliding direction of the second sliding member 34. In this way, when the first sliding member 33 and the second sliding member 34 move reversely towards the outside of the pen barrel 1, the pen tip 21 can extend out of the pen barrel 1, and the functional member 35 can also extend out of the pen barrel 1 at the same time, so as to enrich the use function of the writing pen.

[0113] In addition, in order to meet the requirement of resetting, the rotating writing pen includes two reset springs 4, i.e. the first spring 41 and the second spring 42.

[0114] The first spring 41 and the second spring 42 are located in the pen barrel 1, the first spring 41 is configured to directly or indirectly apply a spring force to the second sliding member 34 in the direction away from the opening 11, and the second spring 42 is configured to directly or indirectly apply a spring force to the second sliding member 34 in the direction away from the opening 11.

[0115] Specifically, the mounting port 12 is arranged on the side wall of the pen barrel 1, and the mounting port 12 on the side wall can satisfy the mounting of the rotating component 31 in the rotating driving module 3, so that the rotating component 31 can rotate in the mounting port 12. In the rotating process, the rotating component 31 can drive the first sliding member 33 and the second sliding member 34 on both sides to slide in the pen barrel 1 through the rotating driving part 311, and under the driving action of the rotating component 31, the first sliding member 33 and the second sliding member 34 slide away from each other.

[0116] The lead core 2 is driven by the first sliding member 33, so that the pen head 21 extends out of the opening 11 of the pen barrel 1; and the functional member 35 is driven by the second sliding member 34, so that the functional member 35 extends to the outside of the pen barrel 1.

[0117] In an embodiment of the present application, the first sliding member 33 and the second sliding member 34 are sleeved together, and the first sliding member 33 and the second sliding member 34 can slide relative to each other.

[0118] Specifically, in order to realize the compact design of the structure, and to ensure that the first sliding member 33 and the second sliding member 34 guide each other to ensure smooth sliding during relative sliding, the first sliding member 33 and the second sliding member 34 are sleeved together. In this way, when the first sliding member 33 and the second sliding member 34 are respectively driven by the rotating component 31 to slide towards the corresponding end of the pen barrel 1, the sleeving of the first sliding member 33 and the second sliding member 34 can also play a guiding role.

[0119] For example, the first sliding member 33 and the second sliding member 34 are both tubular structures. The first sliding member 33 can be inserted into the second sliding member 34 to realize sleeving together, or the second sliding member 34 can be inserted into the first sliding member 33 to realize sleeving together.

[0120] In an embodiment, the first sliding member 33 is provided with a sliding guide part 332, and the second sliding member 34 is provided with a guide matching part 342, and the sliding guide part 332 and the guide matching part 342 are slidably connected together.

[0121] Specifically, after the first sliding member 33 and the second sliding member 34 are sleeved together, in order to avoid relative rotation of the first sliding member 33 and the second sliding member 34 during relative sliding, the sliding guide part 332 and the guide matching part 342 are connected together to guide sliding, so that the first sliding member 33 and the second sliding member 34 can smoothly slide without relative rotation between them, so as to ensure that the rotating component 31 can drive the first sliding member 33 and the second sliding member 34 to smoothly slide.

[0122] In another embodiment, the sliding guide portion 332 includes a first sliding groove 3321 formed on the first sliding member 33, the first sliding groove 3321 extending along the length direction of the first sliding member 33; the guide matching portion 342 includes a guide rib 3421 formed on the second sliding member 34, the guide rib 3421 extending along the length direction of the second sliding member 34; the guide rib 3421 is inserted into the first sliding groove 3321.

[0123] Specifically, when the first sliding member 33 and the second sliding member 34 are guided to slide relative to each other by the cooperation of the sliding guide portion 332 and the guide matching portion 342, the first sliding member 33 and the second sliding member 34 can be guided to slide relative to each other by the cooperation of the guide rib 3421 and the first sliding groove 3321.

[0124] In an embodiment, the sliding guide portion 332 includes a resilient clamping jaw 3322 formed on the first sliding member 33, and the guide matching portion 342 includes a second sliding groove 3422 formed on the second sliding member 34, the resilient clamping jaw 3322 being clamped in and slidable in the second sliding groove 3422.

[0125] Specifically, the first sliding member 33 and the second sliding member 34 are sleeved together and can slide relative to each other. In order to facilitate assembly and further meet the requirement of sliding guidance, the first sliding member 33 is provided with the resilient clamping jaw 3322, and the second sliding member 34 is provided with the second sliding groove 3422 correspondingly.

[0126] During assembly, the first sliding member 33 and the second sliding member 34 are sleeved together, so that the resilient clamping jaw 3322 can be clamped in the second sliding groove 3422, and the first sliding member 33 and the second sliding member 34 can be assembled together by the cooperation of the resilient clamping jaw 3322 and the second sliding groove 3422.

[0127] After the first sliding member 33 and the second sliding member 34 are assembled together, the first sliding member 33 and the second sliding member 34 will not be separated under the action of the resilient clamping jaw 3322, and the first sliding member 33 and the second sliding member 34 assembled together are facilitated to be loaded into the pen barrel 1.

[0128] In addition, during use, when the first sliding member 33 and the second sliding member 34 slide relative to each other, the resilient clamping jaw 3322 can slide in the second sliding groove 3422 to guide the smooth relative sliding between the first sliding member 33 and the second sliding member 34, thereby improving the smoothness of use.

[0129] In another embodiment, the inner wall of the pen barrel 1 is provided with a guide protrusion 16, and the first sliding member 33 or the second sliding member 34 is provided with a guide groove 344 extending along the length direction of the pen barrel 1.

[0130] The guide protrusion 16 is slidably arranged in the guide groove 344.

[0131] Specifically, in order to further guide the first sliding member 33 and the second sliding member 34, a guide protrusion 16 can also be arranged on the inner wall of the pen barrel 1, and the guide protrusion 16 cooperates with the guide groove 344 arranged on the first sliding member 33 or the second sliding member 34 to guide the sliding of the first sliding member 33 or the second sliding member 34. Taking the second sliding member 34 provided with the guide groove 344 as an example, during the sliding process of the second sliding member 34, the guide groove 344 cooperates with the guide protrusion 16 to guide the second sliding member 34 in the sliding process. At the same time, the first sliding member 33 and the second sliding member 34 are also provided with a sliding guide structure, so that the first sliding member 33 and the second sliding member 34 can smoothly slide in the pen barrel 1.

[0132] In an embodiment of the present application, the rotation driving part 311 protrudes from the inner surface of the rotation part 31, and the outer periphery of the rotation driving part 311 forms a rotation driving curved surface 312.

[0133] The first sliding sub-driving part 331 and the second sliding sub-driving part 341 abut against the rotation driving curved surface 312.

[0134] During the rotation of the rotation part 31 to drive the first sliding member 33 to move towards the opening 11, the distance between the part of the first sliding sub-driving part 331 in contact with the rotation driving curved surface 312 and the rotation center line of the rotation part 31 gradually increases.

[0135] During the rotation of the rotation part 31 to drive the second sliding member 34 to move towards the through hole 15, the distance between the part of the second sliding sub-driving part 341 in contact with the rotation driving curved surface 312 and the rotation center line of the rotation part 31 gradually increases.

[0136] Specifically, the rotation driving part 311 protrudes from the inner surface of the rotation part 31 to meet the requirement of abutting contact with the sliding sub-driving parts on the two sliding members. The curved surface design of the rotation driving curved surface 312 formed by the rotation driving part 311 needs to meet the requirement that, during the rotation of the rotation part 31, the rotation driving curved surface 312 can contact the sliding sub-driving parts to make the two sliding members move towards the corresponding end of the pen barrel 1 along with the rotation of the rotation part 31.

[0137] In the process of rotating the rotating part 31 to realize the extension of the pen head 21 and the function piece 35 to the outside of the pen barrel 1, the rotating drive curved surface 312 abuts against the first sliding sub driving part 331 and the second sliding sub driving part 341, and as the rotating part 31 rotates, the distance between the contact position of the rotating drive curved surface 312 and the two sliding sub driving parts and the rotation center line of the rotating part 31 gradually increases, so as to realize the extension of the pen head 21 and the function piece 35 to the outside of the pen barrel 1.

[0138] Conversely, when the user finishes writing and rotates the rotating part 31 again. The rotating drive curved surface 312 will have a tendency to separate from the first sliding sub driving part 331 and the second sliding sub driving part 341, and under the action of the first spring 41 and the second spring 42, the first sliding sub driving part 331 and the second sliding sub driving part 341 always abut against the rotating drive curved surface 312.

[0139] Specifically, in the process of rotating the rotating part 31 and moving the first sliding part 32 away from the opening 11 under the action of the first spring 41, the distance between the contact position of the first sliding sub driving part 331 and the rotating drive curved surface 312 and the rotation center line of the rotating part 31 gradually decreases; in the process of rotating the rotating part 31 and moving the second sliding part 32 away from the through hole under the action of the second spring 42, the distance between the contact position of the second sliding sub driving part 341 and the rotating drive curved surface 312 and the rotation center line of the rotating part 31 gradually decreases.

[0140] Similarly, for the specific curved surface structure of the rotating drive curved surface 312, a convex arc surface is generally adopted, which can realize the sliding of the two sliding parts by the contact and cooperation of the rotating drive curved surface 312 with the first sliding sub driving part 331 and the second sliding sub driving part 341; at the same time, the convex arc surface can also smoothly drive the sliding of the sliding parts, so as to improve the smoothness of the operation.

[0141] In addition, in the process of retracting the pen head 21 and the function piece 35 to the pen barrel 1 under the action of the first spring 41 and the second spring 42, the rotating drive curved surface 312 can better cooperate with the movement of the sliding sub driving part by using its smooth curved surface structure.

[0142] In an embodiment of the present application, the contact position of the first sliding sub driving part 331 and the second sliding sub driving part 341 with the rotating drive curved surface 312 is an arc surface.

[0143] Specifically, the sliding sub driving part is provided with an arc surface, so that the sliding sub driving part can be smoothly contacted and matched with the rotating driving curved surface 312 and smoothly relatively slide, which is more conducive to improving the smoothness of the rotating part 31 driving the sliding of the two sliding members, improving the user experience, and reducing the phenomenon of lag.

[0144] In an embodiment of the present application, the first sliding member 33 and the second sliding member 34 are in a tubular structure.

[0145] The side wall of the first sliding member 33 is provided with a first sub mounting hole 333, and the side wall of the second sliding member 34 is provided with a second sub mounting hole 343. The first sub mounting hole 333 and the second sub mounting hole 343 are in a strip structure.

[0146] The inner surface of the rotating part 31 is further provided with a connecting shaft 313, and the connecting shaft 313 is further provided with a stop disc 314. The connecting shaft 313 passes through the first sub mounting hole 333 and the second sub mounting hole 343, and the stop disc 314 is located inside the first sliding member 33 or the second sliding member 34.

[0147] Specifically, in order to improve the reliability of assembly and ensure good contact and matching between the rotating driving part 311 and the two sliding sub driving parts, the rotating part 31 is provided with the stop disc 314 through the connecting shaft 313. In the assembly process, the stop disc 314 can be sequentially inserted into the first sub mounting hole 333 and the second sub mounting hole 343, and the stop disc 314 is used to make the connecting shaft 313 not to be separated from the first sub mounting hole 333 and the second sub mounting hole 343, so that the rotating part 31 is firmly assembled with the first sliding member 33 and the second sliding member 34.

[0148] In use, the rotating part 31 is connected with the first sliding member 33 and the second sliding member 34 through the limitation of the stop disc 314 and the connecting shaft 313, so as to ensure good contact and matching between the rotating driving part 311 and the two sliding sub driving parts, and to ensure that the rotating part 31 rotates, the sliding part 32 is driven to smoothly slide by the rotating driving part 311.

[0149] In an embodiment, the rotating driving part 311 is provided with a first positioning notch 315 at both ends away from the rotation center line of the rotating part 31.

[0150] When the pen head 21 of the refill 2 is extended to the outside of the opening 11 and is in a writing state, the first sliding sub driving part 331 is clamped in the first positioning notch 315.

[0151] In the state that the functional part 35 extends to the outside of the through hole and is in the writing state, the second sliding sub driving part 341 is clamped in the first positioning notch 315.

[0152] Specifically, in order to keep the pen head 21 stable after the pen head 21 of the refill 2 extends to the outside of the pen barrel 1 to meet the requirement of the user to write smoothly. When the user rotates the rotating part 31 to make the pen head 21 extend to the outside of the pen barrel 1, the first sliding sub driving part 331 will be clamped in the first positioning notch 315, and the second sliding sub driving part 341 will be clamped in another first positioning notch 315. On the one hand, the rotating part 31 is kept in the state of not rotating without being affected by a large external force, and on the other hand, the movement of the two sliding parts is limited by the cooperation of the first positioning notch 315 and the two sliding sub driving parts to ensure that the pen head 21 keeps the writing state of being exposed.

[0153] In another embodiment, the middle positions of the two side parts of the rotating driving part 311 are respectively provided with a second positioning notch 316.

[0154] In the state that the pen head 21 of the refill 2 is retracted to the maximum position in the pen barrel 1, the first sliding sub driving part 331 is clamped in the second positioning notch 316.

[0155] In the state that the functional part 35 is retracted to the maximum position in the pen barrel 1, the second sliding sub driving part 341 is clamped in the second positioning notch 316.

[0156] Specifically, in order to position the pen head 21 after the pen head 21 is retracted into the pen barrel 1, the first sliding sub driving part 331 is clamped in the second positioning notch 316. Similarly, the second sliding sub driving part 341 is clamped in another second positioning notch 316.

[0157] By setting the rotating driving module 3, the rotating part 31 in the rotating driving module 3 can rotate on the pen barrel 1, and the two sliding parts can slide in the pen barrel 1. In the rotating process of the rotating part 31, the rotating movement of the rotating part 31 can be converted into the linear sliding movement of the sliding parts by the cooperation of the rotating driving part 311 and the sliding sub driving part. In this way, in the use process of the user, the sliding parts can be moved in the direction of the corresponding end part of the pen barrel 1 by rotating the rotating part 31 to smoothly drive the sliding parts, so that the refill 2 can smoothly extend to the outside of the pen barrel 1 to perform the writing operation. At the same time, the added functional part 35 can also extend to the outside of the pen barrel 1 to enrich the functionality of the writing pen, realize the simplification of the overall structure and improve the smoothness of use.

[0158] The above merely is the specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, and all should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A writing instrument, characterized by comprising: The utility model relates to a pen, comprising: a pen barrel, one end of the pen barrel is formed with an opening, and a mounting hole is arranged on the side wall of the pen barrel; a pen core, the pen core is slidably arranged in the pen barrel; a return spring, the return spring is arranged in the pen barrel and is configured to directly or indirectly apply elastic force to the pen core in a direction away from the opening; a rotary drive module, the rotary drive module comprises a rotary component and a sliding component, the rotary component is provided with a rotary drive part, the sliding component is provided with a sliding drive part, and the rotary drive part and the sliding drive part abut together; the sliding component is slidably arranged in the pen barrel, the sliding component is connected with the pen core, and the rotary component is rotatably arranged in the mounting hole; the rotary component is configured to rotate in the mounting hole to push the sliding drive part to slide in the direction of the opening through the rotary drive part, and the sliding component is configured to slide in the direction of the opening while driving the pen core to slide in the direction of the opening synchronously.

2. The writing instrument of claim 1, wherein the rotary drive part protrudes from the inner surface of the rotary component, and the outer periphery of the rotary drive part is formed with a rotary drive curved surface; the sliding drive part abuts against the rotary drive curved surface; during rotation of the rotary component to drive the sliding component to move in the direction of the opening, the distance between the position where the sliding drive part contacts the rotary drive curved surface and the center line of rotation of the rotary component gradually increases.

3. The writing instrument of claim 2, wherein the position where the sliding drive part contacts the rotary drive curved surface is an arc surface.

4. A writing instrument according to any one of claims 1 to 3, wherein the sliding component is a sleeve, and the sleeve wall of the sleeve is formed with the sliding drive part; the pen core is inserted into the sleeve.

5. The writing instrument of claim 4, wherein the sleeve wall of the sliding component is provided with a strip-shaped mounting hole, the strip-shaped mounting hole comprises a first opening section and a second opening section, the first opening section and the second opening section communicate with each other, the width of the first opening section is smaller than the width of the second opening section; the inner surface of the rotary component is further provided with a connecting shaft, the connecting shaft is further provided with a stop disc, the connecting shaft passes through the strip-shaped mounting hole and is located in the first opening section, the width of the stop disc is greater than the width of the first opening section, and the width of the stop disc is smaller than the width of the second opening section.

6. The writing instrument of claim 5, wherein the surface opposite to the pen core of the stop disc is a concave surface, and the concave surface matches the outer wall profile of the pen core.

7. The writing instrument of claim 4, wherein the sleeve wall of the sliding component is formed with a recess, the recess forms an assembly surface, and the assembly surface is a plane; the sliding drive part is a protruding structure formed on the assembly surface, and the rotary drive part is arranged on the outer side of the assembly surface.

8. The writing instrument of claim 1, wherein the end of the rotary drive part away from the center line of rotation of the rotary component is provided with a first positioning notch; when the pen head of the pen core extends to the outside of the opening and is in a writing state, the sliding drive part is clamped in the first positioning notch.

9. The writing instrument of claim 8, wherein the end of the rotary drive part adjacent to the center line of rotation of the rotary component is provided with a second positioning notch; when the pen head of the pen core is retracted to the maximum position in the pen barrel, the sliding drive part is clamped in the second positioning notch.

10. The writing instrument of claim 1, wherein The pen barrel comprises a first barrel body and a second barrel body, which are detachably connected together; The first barrel body is formed with the opening, and the second barrel body is formed with the mounting port.

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