CN214775029U - Combined pen - Google Patents

Abstract

The application relates to a combination pen, it includes the connecting cylinder and installs the pencil subassembly that is used for writing erasable lines on the connecting cylinder, still including the refill subassembly and/or the rubber subassembly of installing on the connecting cylinder, the refill subassembly is used for writing indelible lines, the rubber subassembly is used for erasing the lines that the pencil subassembly was written out. The application has the effects of various combination forms and rich functions.

Description

Combined pen

Technical Field

The application relates to the field of pens, in particular to a combined pen.

Background

Pens refer to writing and drawing instruments and can be classified into writing brushes, pens, fountain pens, ball-point pens, pencils, and the like. With the development of social economy and cultural education, the pen is more and more widely applied to the learning, the work and the life of people.

In the related art, chinese patent No. CN2510302Y discloses an environmental protection sanitary pencil, which comprises a wooden holder and a pencil lead, wherein the wooden holder is provided with a lead groove, and the pencil lead is arranged in the lead groove of the wooden holder. One end of the wooden penholder core groove is closed, and the other end of the wooden penholder core groove is open and is not communicated with the core. The environmental-friendly sanitary pencil has the advantages that the pencil core can not be crossed when the pencil is used forcibly, and the environmental-friendly sanitary pencil has the effect of environmental protection and sanitation.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the environment-friendly sanitary pencil can only be used for writing erasable lines, has single function and needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to enrich the use functions of the pen, the application provides a combined pen.

The application provides a combination pen adopts following technical scheme:

a combined pen comprises a connecting cylinder, a pencil component and/or an eraser component, wherein the pencil component is installed on the connecting cylinder and used for writing erasable lines, the eraser component is installed on the connecting cylinder and used for erasing lines written by the pencil component, and the eraser component is used for writing erasable lines.

By adopting the technical scheme, the pencil component can write erasable lines, the water-filled pen component can write non-erasable lines, and the eraser component can erase lines written by the pencil component. The pen with the refill and/or the eraser assembly and the pencil assembly are/is arranged on the same pen, so that the combined pen can achieve one pen with multiple purposes, and is multifunctional and high in practicability.

Optionally, the combination pen includes a connecting cylinder, a pencil component and a refill component, and the pencil component and the refill component are detachably arranged on two sides of the connecting cylinder respectively.

By adopting the technical scheme, the pencil component and the water core pencil component are respectively arranged on two sides of the connecting cylinder, so that the use of the pencil component and the water core pencil component is not interfered. And the pencil component and the gel-ink pen component are both detachable from the connecting cylinder, so that the combined pen is beneficial to processing and production, and can be detached and replaced independently after one of the pencil component and the gel-ink pen component is consumed or damaged, the replacement cost is low, and the service life of the combined pen is long.

Optionally, the combined pen comprises a connecting cylinder, a pencil component and an eraser component, wherein the pencil component and the eraser component are detachably arranged on the same side or two sides of the connecting cylinder respectively.

By adopting the technical scheme, the pencil component and the eraser component can be arranged on the same connecting cylinder, so that people can conveniently and timely erase lines with writing errors of the pencil component by utilizing the eraser component. And the pencil component and the eraser component are both detachable from the connecting cylinder, and can be detached and replaced independently after one of the pencil component and the eraser component is consumed or damaged, so that the replacement cost is low, and the service life of the combined pen is long.

Optionally, the combined pen comprises a connecting cylinder, a pencil component, a gel-ink pen component and an eraser component, wherein the pencil component and the gel-ink pen component are detachably arranged on two sides of the connecting cylinder respectively, the eraser component is detachably arranged on one side, close to the pencil component, of the connecting cylinder, and the eraser component is located on the outer side of the pencil component and is provided with a connecting groove for the pencil component to extend into.

Through adopting above-mentioned technical scheme, pencil subassembly, water core pen subassembly and rubber subassembly set up in same combination pen, and the function is abundant, the practicality is strong. And the pencil component, the water-core pen component and the rubber component are all detachable from the connecting cylinder, so that any one of the components can be detached and replaced independently, and the replacement cost is reduced. When the rubber assembly is connected with the connecting cylinder, the part of the pencil assembly extending out of the connecting cylinder is positioned in the connecting groove, and the rubber assembly plays a role in protecting the pencil assembly; when the pencil component is used, the rubber component is detached from the connecting cylinder.

Optionally, the pencil assembly includes the pencil cover and installs the pencil lead in the pencil cover, the mode that pencil cover and connecting cylinder pass through threaded connection, joint or magnetism and inhale can be dismantled continuously.

By adopting the technical scheme, the pencil lead can be used for writing erasable lines, so that people can modify wrongly written lines in the later period conveniently; the pencil sleeve is connected with the connecting cylinder in a threaded connection mode, a clamping mode or a magnetic suction mode, and the pencil assembly and the connecting cylinder are convenient to disassemble and assemble.

Optionally, the pencil assembly further comprises a plurality of pencil lead seats detachably mounted in the pencil sleeve, the pencil leads are connected to the pencil lead seats, and one end of each pencil lead seat extends out of the pencil lead seat.

Through adopting above-mentioned technical scheme, the pencil lead is connected on the pencil lead seat rather than the pencil cover, and after single pencil lead loss, people can separate pencil cover and connecting cylinder earlier, and the pencil lead seat that will be equipped with new pencil lead is connected on the pencil cover again, compares in the mode together with change pencil cover, has the effect that the replacement cost is little.

Optionally, the refill assembly comprises a pen holder, a tip sleeve connected to one end of the pen holder, and a refill sleeved in the pen holder, wherein the tip sleeve extends out of the end part of the refill for writing, and the pen holder is detachably connected with the connecting cylinder.

Through adopting above-mentioned technical scheme, the pen-core is exposed in the tip of point cover and is used for writing lines that can not erase, and the pen-holder can be dismantled rather than fixed the linking to each other with the connecting cylinder, and the people of being convenient for select the assembly according to the user demand can write the pen-core subassembly of different colours or thickness lines.

Optionally, the pen holder includes pen socket portion, pen shell portion and pen cap portion that link to each other in proper order, the point cover can be dismantled and connect in pen socket portion, pen shell portion or pen cap portion and connecting cylinder joint, set up the perforating hole that is used for holding refill tip in the connecting cylinder.

By adopting the technical scheme, when the pen cap part is clamped with the connecting cylinder, the end part of the refill is exposed and can be used for writing. When the pen shell part is clamped with the connecting cylinder, the end part of the refill is stored in the through hole, and the connecting cylinder plays a role in protecting the refill, so that the refill is not easy to damage or dirty marks are marked on articles when being stored.

Optionally, the eraser assembly comprises an eraser sleeve and an eraser detachably connected to the eraser sleeve, and the eraser sleeve and the connecting cylinder are detachably connected in a threaded connection mode, a clamping connection mode or a magnetic suction mode.

By adopting the technical scheme, the eraser is used for erasing lines written by the pencil lead and can be detached from the eraser sleeve, after the eraser is used and consumed, a new eraser can be independently replaced without replacing the eraser sleeve, and the cost and material resources are saved. The rubber sleeve and the connecting cylinder are detachable in a threaded connection mode, a clamping mode or a magnetic suction mode and the like, and the rubber assembly and the connecting cylinder are convenient to disassemble and assemble.

Optionally, the circumferential side wall of the rubber sleeve is provided with a second external thread, the inner wall of the connecting cylinder is provided with a second internal thread matched with the second external thread, and the second internal thread is arranged at one end of the connecting cylinder close to and/or far away from the pencil component.

Through adopting above-mentioned technical scheme, when the one end of pencil subassembly was kept away from to the second internal thread setting at the connecting cylinder, the separation of refill pen subassembly and connecting cylinder, the rubber subassembly mountable is in one side that the pencil subassembly was kept away from to the connecting cylinder to form the combination pen including pencil subassembly and rubber subassembly, pencil refill and rubber all expose in the connecting cylinder and can supply to use this moment.

When the second internal thread is arranged at one end of the connecting cylinder close to the pencil component, the rubber component can be arranged at one side of the connecting cylinder close to the pencil component, and the rubber sleeve is positioned at the outer side of the pencil component to play a role in protecting the pencil lead; the side of the connector barrel remote from the pencil assembly may also be used to connect a fountain pen assembly, thereby forming a combination pen comprising a pencil assembly, a eraser assembly and a fountain pen assembly.

When the two ends of the connecting cylinder are provided with the second internal threads, people can freely select the installation position of the rubber component according to the use requirements, and the combined pen is various in assembly form.

To sum up, the application comprises the following beneficial technical effects:

the combined pen comprises a connecting cylinder and a pencil component, and further comprises a refill pen component and/or an eraser component, wherein the pencil component can be used for writing erasable lines, the refill pen component can be used for writing non-erasable lines, the eraser component can be used for erasing lines written by the pencil component, and the combined pen is multifunctional and high in practicability. In addition, the pencil component, the gel-ink pen component and the eraser component are detachably connected with the connecting cylinder, and the combined pen has various transformation forms.

Drawings

FIG. 1 is a schematic structural view of example 1.

FIG. 2 is an exploded view of the connection barrel and pencil assembly of example 1 separated.

FIG. 3 is a schematic partial cross-sectional view of the connecting cylinder of example 1 separated from the pencil assembly.

FIG. 4 is a schematic partial cross-sectional view of the connection barrel and the assembly of the pen according to example 1.

Fig. 5 is a schematic sectional view of the cap part of the pen in the embodiment 1 along a direction perpendicular to the length direction thereof.

Fig. 6 is a partial sectional view schematically showing the connection of the connection cylinder and the cap in embodiment 2.

FIG. 7 is a schematic sectional view of example 3.

Fig. 8 is a schematic partial sectional view of the convex clip and the convex ring in embodiment 3.

FIG. 9 is a schematic structural view of example 4.

FIG. 10 is a schematic partial sectional view showing the connection cylinder of example 4 separated from the rubber member.

Fig. 11 is a schematic structural view of the cap portion and the connector barrel in embodiment 5 when they are connected.

FIG. 12 is a schematic view showing the structure of the case portion of the pen container in example 5 when it is connected to the connector barrel.

FIG. 13 is a schematic sectional view of the connecting cylinder and the pencil assembly in example 5.

Figure 14 is a schematic cross-sectional view of a connector barrel of example 6.

Description of reference numerals:

1. a connecting cylinder; 11. a through hole; 111. a first through hole; 112. a second through hole; 12. a first internal thread; 13. a butting block; 131. a butt joint groove; 132. a first exhaust port; 14. a fastening groove; 15. a clamping block; 16. a second internal thread;

2. a pencil assembly; 21. a pencil cap; 211. a first external thread; 212. a guide groove; 213. an annular groove; 214. cutting; 215. perforating; 216. chamfering; 22. a refill seat; 221. a fixed part; 222. a transition section; 223. a plug-in part; 224. inserting grooves; 225. fixing grooves; 226. an extension groove; 227. an air outlet; 228. fixing the edge; 23. a pencil lead;

3. a fountain pen assembly; 31. a refill for a refill; 311. a nib portion; 312. an ink stick section; 313. a limiting ring; 32. a pen holder; 321. a pen cap portion; 322. a pen shell portion; 323. a cap portion; 324. a hole of abdication; 325. a fastening block; 326. a convex ring; 327. cutting into a cross section; 33. a tip sleeve;

4. mounting blocks; 41. an installation part; 42. a bearing part;

5. mounting grooves;

6. gluing blocks; 61. a glue groove;

7. a rubber component; 71. a rubber sleeve; 711. a positioning part; 712. a connecting portion; 713. positioning a groove; 714. connecting grooves; 715. a second vent hole; 716. a second external thread; 72. an eraser.

Detailed Description

The present application is described in further detail below with reference to figures 1-14.

The embodiment of the application discloses a combined pen.

Example 1

Referring to fig. 1, combination pen includes connecting cylinder 1, pencil subassembly 2 and water core pen subassembly 3, and connection can be dismantled respectively in connecting cylinder 1 relative both sides to pencil subassembly 2 and water core pen subassembly 3, and wherein pencil subassembly 2 is used for writing erasable lines, water core pen subassembly 3 is used for writing non-erasable lines, and the function of combination pen is various, the practicality is strong.

Referring to fig. 2 and 3, the pencil assembly 2 includes a hollow pencil case 21, a lead holder 22 connected within the pencil case 21, and a pencil lead 23 mounted on the lead holder 22. The pencil cap 21 and the pencil lead holder 22 are made of deformable plastics, such as PVC, PP, PE, PET, HDPE, PMMA, PS and the like.

Referring to fig. 2 and 3, the pencil lead 23 is made of graphite and clay by mixing and used for writing lines which can be erased, and the section of the pencil lead 23 is rectangular, so that an examinee can conveniently and quickly fill in an answer sheet during an examination. To facilitate the user's viewing of the writing position of the lead 23, a notch 214 is provided in the circumferential side wall of the pencil sleeve 21, the notch 214 extending to the end face of the pencil sleeve 21 adjacent to the exposed lead 23.

Referring to fig. 2 and 3, the number of the lead holders 22 may be one or more, and when the lead holders 22 are provided in plural, the lead holders 22 are distributed along the length direction of the pencil cap 21, and two lead holders are adopted in the present embodiment. The refill seat 22 includes a fixing portion 221, a transition portion 222 and an insertion portion 223, which are sequentially disposed, the fixing portion 221, the transition portion 222 and the insertion portion 223 may be integrally formed by casting or the like, or may be fixedly connected by bonding or the like, wherein the width of the fixing portion 221 is greater than the widths of the transition portion 222 and the insertion portion 223.

Referring to fig. 2 and 3, a plurality of fixing ribs 228 are integrally formed on the side wall of the fixing portion 221, the length direction of the fixing ribs 228 is parallel to the length direction of the fixing portion 221, and the fixing ribs 228 are circumferentially distributed on the outer side of the fixing portion 221. The middle part of the pencil sleeve 21 is provided with a through hole 215 for inserting the pencil lead holder 22, and the extending direction of the through hole 215 is parallel to the length direction of the pencil sleeve 21. When the lead holder 22 extends into the pencil cap 21, the fixing rib 228 abuts against the wall of the through hole 215, so that the lead holder 22 is not easily separated from the through hole 215.

Referring to fig. 3, in order to facilitate the insertion of the lead holder 22 into the pencil cap 21, a guide groove 212 communicating with the through hole 215 is formed on an end surface of the pencil cap 21 near the connecting cylinder 1, and an opening of the guide groove 212 is gradually reduced from the fixing portion 221 to the insertion portion 223. The guide groove 212 plays a role of guiding when the lead holder 22 is assembled to the pencil cap 21, which is beneficial to improving the assembly efficiency of the pencil assembly 2.

Referring to fig. 3, an end surface of the insertion part 223 far away from the fixing part 221 is provided with an insertion groove 224, a depth of the insertion groove 224 is smaller than a length of the pencil lead 23, one end of the pencil lead 23 is inserted into the insertion groove 224, and the pencil lead 23 can abut against a groove wall of the insertion groove 224 when extending into the insertion groove 224, so that the pencil lead 23 is not easily separated from the insertion groove 224. In order to facilitate the installation of the pencil lead 23, a flared opening is arranged at the opening of the insertion groove 224, and the opening of the flared opening is gradually reduced from the insertion part 223 to the fixing part 221, which is beneficial to improving the installation efficiency of the pencil lead 23.

Referring to fig. 2 and 3, the insertion part 223 is a quadrangular frustum and one end away from the fixing part 221 is a small end, but in another embodiment, the insertion part 223 may be a circular truncated cone, a triangular truncated pyramid, a pentagonal truncated pyramid, or the like. The end face of the fixing part 221 away from the insertion part 223 is provided with a fixing groove 225 with a trapezoidal section, the bottom wall of the fixing groove 225 is provided with an extending groove 226, and the width of the extending groove 226 is greater than the width of the pencil lead 23 and less than the minimum width of the insertion groove 224. To facilitate the venting of air from the insertion slot 224 when the lead 23 is inserted into the insertion slot 224, an air vent 227 is also provided in the bottom wall of the extension slot 226 and communicates with the insertion slot 224.

Referring to fig. 2 and 3, when the lead holders 22 assembled with the pencil leads 23 are assembled with each other, an end of the insertion portion 223 of one lead holder 22 extends into the fixing groove 225 of the other adjacent lead holder 22, the insertion portion 223 is abutted against a bottom wall of the fixing groove 225, and a portion of the pencil lead 23 exposed out of the insertion groove 224 extends into the extending groove 226 of the other lead holder 22.

Referring to fig. 2 and 3, a through hole 11 extending along the length direction of the connecting cylinder 1 is formed in the middle of the connecting cylinder, openings are formed in the two sides of the through hole 11 along the extending direction of the through hole, and one end of a pencil sleeve 21 extends into the through hole 11 and is detachably connected with the connecting cylinder 1. In order to facilitate the insertion of the pencil cap 21 into the through hole 11, a chamfer 216 is provided at the end of the pencil cap 21, and the chamfer 216 is provided at the intersection of the end face of the pencil cap 21 close to the connecting cylinder 1 and the circumferential side face of the pencil cap 21.

Referring to fig. 2 and 3, the pencil sleeve 21 is in threaded connection with the connecting cylinder 1, a first external thread 211 is arranged on the circumferential side wall of the pencil sleeve 21, and a first internal thread 12 matched with the first external thread 211 is arranged on the circumferential inner wall of the through hole 11. When the pencil component 2 and the connecting cylinder 1 are disassembled and assembled, an operator only needs to screw the pencil sleeve 21 into or out of the connecting cylinder 1, and the operation is simple and convenient.

In other embodiments, the pencil cap 21 and the connecting cylinder 1 may also be connected by snapping or magnetic attraction, for example, a deformable clip block is integrally disposed on a circumferential side wall of the pencil cap 21, a clip groove engaged with the clip block is disposed on an inner wall of the through hole 11, or magnets are respectively disposed on the circumferential side wall of the pencil cap 21 and the inner wall of the through hole 11 for attracting each other, so that the pencil cap 21 and the connecting cylinder 1 can be detachably connected.

Referring to fig. 3, in order to control the length of the pencil cap 21 extending into the through hole 11, an abutment block 13 is fixed to the wall of the through hole 11. The circumferential surface of the connecting cylinder 1 is set to be a side surface, the other two surfaces parallel to each other are set to be bottom surfaces, the minimum distance between the abutting block 13 and the bottom surface of the connecting cylinder 1 is smaller than the length of the pencil sleeve 21, and the abutting block 13 is located on one side, far away from the through hole 11, of the first internal thread 12, and close to the opening of the first internal thread 12. The pencil sleeve 21 is connected with the connecting cylinder 1 and can be abutted against the abutting block 13, so that the pencil core 23 is prevented from being influenced by the excessively large screwing depth of the pencil sleeve 21 into the through hole 11.

Referring to fig. 2 and 3, when the pencil assembly 2 is used, after the pencil core 23 exposed out of the pencil sleeve 21 is consumed to a depth that is less than the depth of the insertion groove 224, one can first separate the pencil sleeve 21 from the connecting cylinder 1, and then push another pencil core holder 22 assembled with the pencil core 23 into the through hole 215 through the guide groove 212 until the pencil core holder 22 assembled with the consumed pencil core 23 is removed from the pencil sleeve 21 and another pencil core 23 originally assembled in the pencil sleeve 21 extends out, and after a single pencil core 23 is consumed, the pencil sleeve 21 and the connecting cylinder 1 do not need to be replaced, thereby saving resources.

Referring to fig. 4, the refill assembly 3 includes a refill 31, a barrel 32 sleeved outside the refill 31, and a tip sleeve 33 detachably connected to one end of the barrel 32, wherein the barrel 32 is made of deformable plastic, such as PVC, PP, PE, PET, HDPE, PMMA, PS, and the like.

Referring to fig. 4, the barrel 32 includes a cap portion 321, a casing portion 322 and a cap portion 323, the cap portion 321 is fixedly connected to the casing portion 322 and threadedly connected to the nib 33, and the cap portion 323 is engaged with a side of the casing portion 322 away from the cap portion 321. In other embodiments, the cap 323 can be fixedly or threadedly connected to the housing 322.

Referring to fig. 4, the middle portions of the cap portion 323, the cap portion 321, the casing portion 322 and the cap portion 322 are respectively provided with an abdicating hole 324 extending along the length direction thereof, and a side of the cap portion 323 away from the casing portion 322 of the abdicating hole 324 is closed. The refill 31 comprises a nib portion 311 and an ink rod portion 312 which are fixedly connected, the ink rod portion 312 is arranged in a yielding hole 324 of a pen sleeve portion 321, a pen shell portion 322 and a pen cap portion 323 in a penetrating mode, and one end, far away from the ink rod portion 312, of the nib portion 311 is located on the outer side of the nib sleeve 33 and used for writing lines which cannot be erased. The circumferential side wall of the ink rod part 312 is fixed with a limiting ring 313 at one end close to the pen point part 311, and the outer diameter of the limiting ring 313 is larger than the inner diameter of the abdicating hole 324 in the pen sleeve part 321, so as to prevent the pen point part 311 from extending into the pen holder 32.

Referring to fig. 4 and 5, the cross section of the cap portion 323 along the direction perpendicular to the longitudinal direction thereof is a cross section 327, the size of the cross section 327 gradually increases from the cap portion 323 to the cap portion 322, and the maximum diameter of the polygonal circumscribed circle formed by the cross section 327 is larger than the inner diameter of the through hole 11, and the minimum diameter is smaller than the inner diameter of the through hole 11. The polygon formed by the cross section 327 in this embodiment is a hexagon, but may be a quadrangle, a pentagon, a heptagon, a circle, or the like in other embodiments. When the cap part 323 extends into the through hole 11, the connecting cylinder 1 is gradually squeezed tightly, so that the connection between the refill pen assembly 3 and the connecting cylinder 1 is realized.

The implementation principle of the combined pen in the embodiment is as follows: when the combined pen is assembled, the pencil lead holder 22 inserted with the pencil lead 23 is firstly pushed into the through hole 215 from the guide groove 212, so that one pencil lead 23 extends out of the pencil sleeve 21. And then the first internal thread 12 is connected with the first external thread 211 until the pencil sleeve 21 is mutually abutted with the abutting block 13, so that the end part of the pencil sleeve 21 is screwed into the connecting cylinder 1 to realize the connection of the pencil component 2 and the connecting cylinder 1. The refill 31 is inserted into the recess hole 324 of the barrel 32 until the stop ring 313 abuts against the cap portion 321, and the tip cap 33 is screwed with the cap portion 321 to position the refill 31. Finally, the cap part 323 is inserted into the connecting tube 1 through the through hole 11 at a side opening away from the pencil assembly 2, thereby realizing the connection between the refill assembly 3 and the connecting tube 1. When the combined pen is used, the pencil lead 23 can draw erasable lines, and the refill 31 can draw non-erasable lines, so that the combined pen has multiple functions and strong practicability.

Example 2

Referring to fig. 6, the present embodiment is different from embodiment 1 in that: at least one fastening block 325 is fixed on the outer side wall of the pen cap part 323, the number of the fastening blocks 325 is six in the embodiment, and each fastening block 325 is arranged on different side surfaces of the pen cap part 323 along the circumferential direction. The fastening block 325 is made of plastic or rubber material capable of generating deformation, such as PVC, PP, PE, PET, HDPE, PMMA, PS, etc.

Referring to fig. 6, fastening grooves 14 engaged with the fastening blocks 325 are formed in the inner wall of the connecting cylinder 1, the number of the fastening grooves 14 is equal to the number of the fastening blocks 325, and each fastening groove 14 is circumferentially disposed at one end of the connecting cylinder 1 away from the pencil assembly 2. When the cap part 323 extends into the through hole 11, the fastening blocks 325 are deformed and are respectively clamped into the adjacent fastening grooves 14, so as to realize the clamping connection of the refill assembly 3 and the connecting cylinder 1.

Furthermore, since the cap part 323 is provided with the fastening block 325 for engaging with the connecting cylinder 1, the cross section 327 of the cap part 323 in the direction perpendicular to the extending direction thereof may be equal in size everywhere in the present embodiment.

Example 3

Referring to fig. 7 and 8, the present embodiment differs from embodiment 1 in that: the through hole 11 includes a first through hole 111 and a second through hole 112 which are communicated with each other, the first through hole 111 is located at one side of the second through hole 112 close to the pencil assembly 2, an end portion of the pencil sleeve 21 is connected in the first through hole 111, and the pen shell portion 322 is connected in the second through hole 112.

Referring to fig. 8, a protruding ring 326 is integrally formed on the circumferential side wall of the pen casing portion 322, and the protruding ring 326 is located at one end of the pen casing portion 322 close to the pen cap portion 321. At least one clamping block 15 is integrally arranged on the hole wall of the second through hole 112 along the circumferential direction, the clamping block 15 is located at one end of the second through hole 112 close to the first through hole 111, in this embodiment, the number of the clamping blocks 15 is set to four, and in other embodiments, the clamping blocks 15 may also be set to other numbers or annularly arranged around the hole wall of the second through hole 112.

Referring to fig. 8, the thickness of the locking block 15 along the length direction of the connector barrel 1 and the thickness of the protruding ring 326 along the length direction of the pen case portion 322 are set to be larger in the middle and smaller in the two sides, so that the pen case portion 322 can be locked into or pulled out of the connector barrel 1. When the pen shell portion 322 extends into the connecting cylinder 1, the convex ring 326 and the clamping block 15 are mutually extruded until the convex ring 326 abuts against one side of the clamping block 15 close to the first through hole 111, so that the pen shell portion 322 is clamped with the connecting cylinder 1, and the water core pen assembly 3 and the connecting cylinder 1 are convenient to disassemble and assemble.

Referring to fig. 8, the diameter of the first through hole 111 near the second through hole 112 is smaller than the diameter of the second through hole 112 near the first through hole 111, and the outer diameter of the pen case 322 is larger than the diameter of the first through hole 111 near the second through hole 112 and smaller than the diameter of the second through hole 112 near the first through hole 111. With such an arrangement, when the protruding ring 326 abuts against the side of the locking block 15 close to the first through hole 111, the end of the pen shell 322 abuts against the stepped surface formed at the adjacent position of the first through hole 111 and the second through hole 112, so that the pen shell 322 is not easy to move to the side close to the first through hole 111 after being locked into the connecting cylinder 1.

Referring to fig. 8, a plurality of mounting blocks 4 are integrally arranged on the wall of the first through hole 111, the mounting blocks 4 are located on one side of the abutting block 13 close to the second through hole 112, and the mounting blocks 4 are circumferentially and uniformly distributed along the central axis of the connecting cylinder 1. The mounting block 4 includes an integrally formed mounting portion 41 and a supporting portion 42, the mounting portion 41 is fixed on the hole wall of the first through hole 111 and abuts against the abutting block 13, and the supporting portion 42 is connected to a side of the mounting portion 41 away from the hole wall of the first through hole 111.

Referring to fig. 8, a contact groove 131 is formed in a side surface of the contact block 13 close to the second through hole 112, and one end of the support portion 42 is fixed to a bottom wall of the contact groove 131. The side of each installation part 41 close to the central axis of the connecting cylinder 1 and the area between the side of the bearing part 42 close to the second through hole 112 are formed with an installation groove 5, a rubber block 6 made of rubber is embedded in the installation groove 5, and the rubber block 6 is clamped in the installation groove 5 through self deformation. In order to discharge the air in the mounting groove 5 when the rubber block 6 is mounted, a first air discharge hole 132 is formed in the bottom wall of the abutting groove 131.

Referring to fig. 8, the end surfaces of the rubber block 6 close to and far from the second through hole 112 are provided with rubber grooves 61, when the pen shell 322 is clamped into the connecting cylinder 1, the end of the pen tip 311 extends into the rubber groove 61 close to the end, and at this time, the rubber block 6 can protect the ball used for writing in the pen tip 311 and prevent the ink in the ink rod part 312 from leaking from the pen tip 311.

The implementation principle of the combined pen in the embodiment is as follows: when the pen assembly 3 is not used, the cap part 323 is pulled out of the connecting cylinder 1, the pen holder 32 is rotated 180 degrees, and the pen shell part 322 is inserted into the connecting cylinder 1, so that the clamping block 15 and the convex ring 326 are extruded and deformed until the clamping block 15 abuts against one side of the convex ring 326 close to the first through hole 111, the pen point part 311 of the pen core 31 is located in the connecting cylinder 1, and the connecting cylinder 1 plays a role in protecting the pen point part 311.

Example 4

Referring to fig. 9, the present embodiment is different from embodiment 3 in that: the combined pen comprises a connecting cylinder 1, a pencil component 2 and an eraser component 7, wherein the structure of the pencil component 2 in the embodiment is the same as that of the pencil component 2 in the embodiment 3, and the eraser component 7 is detachably connected to one side, far away from the pencil component 2, of the connecting cylinder 1.

Referring to fig. 9 and 10, the eraser assembly 7 comprises an eraser sleeve 71 and an eraser 72 connected to the eraser sleeve 71, wherein the eraser sleeve 71 is made of a deformable plastic material, such as PVC, PP, PE, PET, HDPE, PMMA, PS, etc. The eraser 72 is made of PVC material added with plasticizer ATBC, and the eraser 72 can be used for erasing lines written by the pencil lead 23.

Referring to fig. 10, the rubber sleeve 71 includes a positioning portion 711 and a connecting portion 712 which are integrally formed, an outer diameter of the positioning portion 711 is larger than an inner diameter of the through hole 11, and an outer diameter of the connecting portion 712 is slightly smaller than an inner diameter of an end of the second through hole 112 away from the first through hole 111. The end face of the positioning part 711 far away from the connecting part 712 is provided with a positioning groove 713, the inner diameter of the positioning groove 713 is slightly smaller than the diameter of the eraser 72, the depth of the positioning groove 713 is smaller than the length of the eraser 72, and the eraser 72 is clamped in the positioning groove 713 through deformation. In order to facilitate the use of the eraser 72, the circumferential side wall of the positioning part 711 is provided with anti-slip threads for increasing the friction force between the human hand and the eraser sleeve 71.

Referring to fig. 10, an end surface of the connecting portion 712 away from the positioning portion 711 is opened with a connecting groove 714 extending to the positioning portion 711, and an inner diameter of the connecting groove 714 is larger than an outer diameter of the pencil sleeve 21. The bottom wall of the connecting groove 714 is provided with a second air vent 715 communicated with the positioning groove 713, and the second air vent 715 is arranged to help exhaust air in the positioning groove 713 when the eraser 72 is installed.

Referring to fig. 10, the rubber boot 71 is threadedly coupled to the connector barrel 1, a second external thread 716 is provided on a circumferential side wall of the coupling portion 712, a second internal thread 16 cooperating with the second external thread 716 is provided on an inner wall of the connector barrel 1, and the second internal thread 16 is provided at an end of the second through hole 112 away from the first through hole 111.

In other embodiments, the rubber sleeve 71 and the connecting tube 1 may also be connected by clamping or magnetic attraction, and any manner that can achieve detachable connection between the rubber sleeve 71 and the connecting tube 1 may be used.

The implementation principle of the combined pen in the embodiment is as follows: when the second external thread 716 is connected with the second internal thread 16, the rubber sleeve 71 is installed at one end of the connecting cylinder 1 far away from the pencil component 2, and the rubber 72 and the pencil lead 23 are arranged on the same pen, so that people can conveniently and timely erase the wrongly written lines of the pencil lead 23.

Example 5

Referring to fig. 11 and 12, the present embodiment differs from embodiment 4 in that: the combined pen also comprises a water core pen component 3, and the structure of the water core pen component 3 in the embodiment is the same as that of the water core pen component 3 in the embodiment 3.

Referring to fig. 11 and 12, in the present embodiment, the cap portion 323 of the fountain pen assembly 3 may be connected to the connection barrel 1, or the cap portion 322 of the fountain pen assembly 3 may be connected to the connection barrel 1. When the cap part 323 is connected with the connecting cylinder 1, the pen point part 311 of the refill 31 is exposed for writing; when the pen case 322 is connected to the connecting cylinder 1, the pen point 311 of the refill 31 is located in the connecting cylinder 1, and the connecting cylinder 1 not only protects the pen point 311, but also prevents the pen point 311 from easily marking dirty marks on an article when stored.

Referring to fig. 13, the second internal thread 16 is disposed on the wall of the first through hole 111, and the second internal thread 16 is located on a side of the first internal thread 12 away from the second through hole 112. The circumferential side wall of the pencil sleeve 21 is annularly cut to form an annular groove 213, the depth of the annular groove 213 is slightly larger than the wall thickness of the connecting part 712, and when the rubber sleeve 71 is in threaded connection with the connecting barrel 1, the connecting part 712 is located between the connecting barrel 1 and the bottom wall of the annular groove 213.

The implementation principle of the combined pen in the embodiment is as follows: when the second external thread 716 is connected with the second internal thread 16, the rubber sleeve 71 is installed at one end of the connecting cylinder 1 far away from the water-filled pencil assembly 3, the exposed pencil lead 23 in the pencil assembly 2 is located in the connecting groove 714, and the rubber sleeve 71 plays a role in protecting the pencil lead 23. The pencil component 2, the ink-core pen component 3 and the rubber component 7 can be simultaneously arranged on the connecting cylinder 1, and the combined pen has various assembling forms and rich functions.

Example 6

Referring to fig. 14, the present embodiment is different from embodiment 5 in that: the hole walls of the first through hole 111 and the second through hole 112 are respectively provided with a second internal thread 16 which is matched with the second external thread 716, and the second internal thread 16 is positioned at one end of the first through hole 111 and one end of the second through hole 112 which are far away from each other.

The implementation principle of the combined pen in the embodiment is as follows: the rubber cap 71 is located on the outside of the pencil assembly 2 and functions to protect the lead 23 when the second external threads 716 are coupled with the second internal threads 16 in the first through hole 111. The pencil component 2, the ink-core pen component 3 and the eraser component 7 can be assembled on the same pen, and the practicability of the combined pen is high.

When the second external thread 716 is connected with the second internal thread 16 in the second through hole 112, the water core pen assembly 3 is separated from the connecting cylinder 1, the pencil assembly 2 and the eraser assembly 7 are respectively installed on two sides of the connecting cylinder 1, the pencil core 23 is exposed and can be used for writing erasable lines, and the eraser 72 has the effect of facilitating people to erase wrongly written lines in time.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A kind of association pen, characterized by that: the pencil component comprises a connecting cylinder (1), a pencil component (2) which is arranged on the connecting cylinder (1) and used for writing erasable lines, and a water core pencil component (3) and/or an eraser component (7) which are arranged on the connecting cylinder (1), wherein the water core pencil component (3) is used for writing the lines which cannot be erased, and the eraser component (7) is used for erasing the lines written by the pencil component (2).

2. A combination pen as claimed in claim 1, wherein: the pencil comprises a connecting cylinder (1), a pencil component (2) and a water core pen component (3), wherein the pencil component (2) and the water core pen component (3) are detachably arranged on two sides of the connecting cylinder (1) respectively.

3. A combination pen as claimed in claim 1, wherein: the pencil component comprises a connecting cylinder (1), a pencil component (2) and an eraser component (7), wherein the pencil component (2) and the eraser component (7) are detachably arranged on the same side or two sides of the connecting cylinder (1) respectively.

4. A combination pen as claimed in claim 1, wherein: including connecting cylinder (1), pencil subassembly (2), water core pen subassembly (3) and rubber subassembly (7), the both sides of setting at connecting cylinder (1) can be dismantled respectively in pencil subassembly (2) and water core pen subassembly (3), rubber subassembly (7) can be dismantled and set up in one side that connecting cylinder (1) is close to pencil subassembly (2), and rubber subassembly (7) are located the outside of pencil subassembly (2) and are equipped with spread groove (714) that supply pencil subassembly (2) to stretch into.

5. A combination pen according to any one of claims 2-4, wherein: the pencil component (2) comprises a pencil sleeve (21) and a pencil core (23) installed in the pencil sleeve (21), and the pencil sleeve (21) and the connecting cylinder (1) are detachably connected in a threaded connection mode, a clamping connection mode or a magnetic suction mode.

6. The combination pen of claim 5, wherein: the pencil component (2) further comprises a plurality of pencil lead bases (22) which are detachably arranged in the pencil sleeve (21), the pencil leads (23) are connected to the pencil lead bases (22), and one end of each pencil lead (23) extends out of the pencil lead bases (22).

7. A combination pen according to claim 2 or 4, wherein: the fountain pen assembly (3) comprises a pen holder (32), a sharp sleeve (33) connected to one end of the pen holder (32) and a fountain pen core (31) sleeved in the pen holder (32), wherein the end part used for writing in the fountain pen core (31) extends out of the sharp sleeve (33), and the pen holder (32) is detachably connected with the connecting cylinder (1).

8. The combination pen of claim 7, wherein: the pen holder (32) comprises a pen sleeve portion (321), a pen shell portion (322) and a pen cap portion (323) which are sequentially connected, the tip sleeve (33) is detachably connected to the pen sleeve portion (321), the pen shell portion (322) or the pen cap portion (323) is connected with the connecting cylinder (1) in a clamping mode, and a through hole (11) used for containing the end portion of the refill (31) is formed in the connecting cylinder (1).

9. A combination pen according to claim 3 or 4, wherein: the eraser assembly (7) comprises an eraser sleeve (71) and an eraser (72) detachably connected to the eraser sleeve (71), and the eraser sleeve (71) and the connecting cylinder (1) are detachably connected in a threaded connection mode, a clamping connection mode or a magnetic suction mode.

10. A combination pen as claimed in claim 9, wherein: the circumference lateral wall of rubber sleeve (71) is equipped with second external screw thread (716), be equipped with on the inner wall of connecting cylinder (1) with second external screw thread (716) second internal thread (16) of mutually supporting, second internal thread (16) set up the one end that is close to and/or keeps away from pencil subassembly (2) in connecting cylinder (1).

Images