CN116512794A - Pen with telescopic pen core - Google Patents
Pen with telescopic pen core Download PDFInfo
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- CN116512794A CN116512794A CN202310241515.XA CN202310241515A CN116512794A CN 116512794 A CN116512794 A CN 116512794A CN 202310241515 A CN202310241515 A CN 202310241515A CN 116512794 A CN116512794 A CN 116512794A
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- force application
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- 241000180587 Pinnidae Species 0.000 claims abstract description 77
- 230000007704 transition Effects 0.000 claims description 40
- 230000004308 accommodation Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 12
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
Abstract
The application relates to the field of pens, in particular to a pen with a telescopic pen refill. The pen with the telescopic pen core comprises a pen shell, a pen core, an elastic piece, a movable operating piece and an abutting component, wherein the pen core is positioned in the pen shell and moves, the elastic piece applies acting force to the pen core in the direction of the tail end of the pen; when the operating member moves in a direction away from the pen head end, the abutting component deforms or changes in position to push the pen head of the pen core to extend out of the pen shell. When the push-pull operation piece moves in a direction away from the pen point, the extrusion abutting component deforms or changes in position, and the abutting component is limited by the limiting component to move in a direction away from the pen point, so that the pen point of the pen core can be extended out of the pen shell.
Description
Technical Field
The application relates to the field of pens, in particular to a pen with a telescopic pen refill.
Background
At present, the pen with the telescopic pen core in the market is a ball pen or a gel ink pen with the telescopic pen core pressed, and the telescopic pen core is single. When sold to student groups, the pens of the same type can only compete by price or the shape of the pen shell. Therefore, the applicant designs a plurality of pens which adopt brand new structures to realize the expansion and contraction of the pen core.
Disclosure of Invention
In order to provide a pen with a brand new telescopic structure, the pen with the telescopic pen refill provided by the application adopts the following technical scheme:
the pen with the telescopic pen core comprises a pen shell, a pen core, an elastic piece, a movable operating piece and an abutting component, wherein the pen core is positioned in the pen shell and moves, the elastic piece applies acting force to the pen core in the direction of the tail end of the pen; when the operating member moves in a direction away from the pen head end, the abutting component deforms or changes in position to push the pen head of the pen core to extend out of the pen shell.
Through adopting above-mentioned technical scheme, when the push-pull operating piece moves to the direction of keeping away from the nib, extrusion butt subassembly takes place deformation or position change, because the butt subassembly is limited by spacing subassembly and can not move to the direction of keeping away from the nib, consequently can stretch out the nib of refill from the pen shell.
Preferably, at least two side support plates and a limit support plate connected with the two side support plates are formed at the pen tail end of the pen shell, and an accommodating space is formed between the side support plates and the limit support plate; the operation piece comprises a rear cover, a force application surface is arranged in the rear cover, and the abutting component is positioned in the accommodating space and changes in size along the length direction of the pen under the action force of the force application surface.
Through adopting above-mentioned technical scheme, form accommodation space through side support plate and spacing mounting plate, side support plate or spacing mounting plate play spacing effect as spacing subassembly respectively in different schemes. When the rear cover is pushed out, the force application surface applies force to the abutting component, so that the size of the abutting component along the length direction of the pen is changed, and the pen point is ejected out of the pen shell.
Preferably, a groove is formed at one end of the rear cover facing the pen shell, a through hole penetrated by the side support plate and the limit support plate is formed at the bottom surface of the groove, a primary hole communicated with the through hole is formed at one side of the rear cover facing away from the groove, the force application surface is a chamfer transition surface between the primary hole and the through hole, and the width of the primary hole is larger than that of the through hole and smaller than that of the through hole by two times; the butt subassembly is including being located the many atress balls of accommodation space, and the diameter of atress ball is less than accommodation space's width and is greater than the width of primary hole half.
Through adopting above-mentioned technical scheme, when the back lid pulls out to the direction of keeping away from the pen-tip, in the forcing face guide atress ball got into the through-hole, because the atress ball is located the position in beginner hole, mutual staggered arrangement between the atress ball, and after getting into the through-hole, because the width of through-hole is less, consequently the atress ball more approaches more in this moment along sharp arrangement. The size of the stress balls in the length direction of the pen is increased in the new arrangement mode, so that the pen point of the pen core extends out of the pen shell.
Preferably, a round groove is formed in the position, close to the side edge, of one face, close to the pen head end, of the limiting support, and one stress ball is located in the round groove.
By adopting the technical scheme, the round groove is embedded into one stress ball, so that the stress ball cannot enter the through hole under the action of the force application surface, and therefore, the maximum push-pull distance of the rear cover can be limited, and the rear cover is prevented from being separated from the pen shell.
Preferably, the abutting component comprises an elastic piece, one end of the elastic piece is abutted against the pen core, the other end of the elastic piece is abutted against the limiting support plate, and the middle part of the elastic piece is bent by one step after being written; the force application surface is arranged at one side of the bending part of the elastic sheet, which faces the pen head end, and is inclined from the pen head end to the pen tail end in a direction away from the center of the pen tail, one opposite side of the two force application blocks is a locking surface, and the locking surface is parallel to the center line of the pen shell along the length direction.
Through adopting above-mentioned technical scheme, when the rear cover pulls out to the direction of keeping away from the pen tip, through application of force face cooperation extrusion shell fragment, make the shell fragment to the middle deformation after expansion in length direction ejecting pen shell with the nib of refill. When the force application block reaches the position where the locking surface is abutted with the elastic sheet, the pen point extends out of the pen shell completely.
Preferably, the butt subassembly includes in accommodation space from the fan-shaped piece, transition piece and the application of force piece that is located back lid that pen tail end direction was set up towards pen head end direction interval, the angle of fan-shaped piece all surpasss 90 degrees and is not more than 180 degrees, the height of transition piece all equals with the radius of fan-shaped piece, and the same side of first transition piece and second transition piece all is provided with curved transition mouth, the radius of transition mouth equals with the radius of fan-shaped piece, the centre of a circle position of transition mouth equals with the upper surface parallel and level of transition piece, the interval between application of force piece and the accommodation space bottom surface equals with the height of transition piece, the application of force face is located the application of force piece.
Through adopting above-mentioned technical scheme, when the back lid pulls out to the direction of keeping away from the pen tip, the application of force face extrudees three fan-shaped pieces in proper order, and extruded in-process fan-shaped piece is being driven rotatory, when the fan-shaped piece rotated to the position that is not higher than the transition piece, because fan-shaped piece, transition piece increase in the ascending length of pen length for the nib of refill stretches out the pen shell.
Preferably, the abutting component comprises a force-bearing rod positioned between the two side support plates and a force-bearing block formed on the side wall of the groove, wherein the force-bearing surface is positioned on one side of the force-bearing block, which is opposite to the pen head end, and is inclined from the pen tail end to the pen head end towards the center of the pen shell, one side of the force-bearing block, which is opposite to the center of the pen shell, is a locking surface, the locking surface is parallel to the center line of the pen shell along the length direction, the center of the force-bearing rod is rotationally connected with the two side support plates, and one end of the force-bearing rod is abutted to the pen core.
Through adopting above-mentioned technical scheme, when the back lid pulls out to the direction of keeping away from the pen tip, the force application face is rotated with the atress pole one end butt application effort drive atress pole that the pen core was kept away from to the atress pole, and the nib of the rotatory in-process promotion pen core of atress pole exposes the pen shell, until atress pole and locking face butt.
Preferably, the abutting component comprises a stress piece connected between two side support plates and a force application block formed on the side wall of the groove, the force application surface is positioned on one side of the force application block, which is opposite to the pen head end, and is inclined from the pen tail end to the center of the pen shell in the direction of the pen head end, one side of the force application block, which is opposite to the center of the pen shell, is a locking surface, the locking surface is parallel to the center line of the pen shell in the length direction, the stress piece comprises two first rods, one ends of which are rotationally connected with the side support plates, and second rods, one ends of the two second rods, which are far away from the first rods, are rotationally connected with the pen core in an abutting mode.
Through adopting above-mentioned technical scheme, when the back lid pulls out to the direction of keeping away from the pen tip, the rotation junction butt of application of force face and first pole, second pole drives first pole, second pole and rotates for the nib of second pole promotion refill exposes the pen shell, until the rotation junction and the locking face butt of first pole, second pole.
Preferably, the abutting component comprises a mounting frame and a rotating block rotatably connected to the center of the mounting frame, the rotating block comprises a circular central plate, a force application notch is formed in the position, adjacent to the expansion section, of the central plate, the side surface, close to the expansion section, of the force application notch is a force application surface, a hinge part is formed in the position, close to the force application notch, of the central plate, far from the expansion section, a force receiving block is fixed on one side, facing the tail end of the pen, of the pen core, and the force receiving block abuts against the force application surface of the force application notch; the operation piece comprises a rear cover and an extension column connected to the rear cover, and the extension column is rotatably connected with the hinge part.
Through adopting above-mentioned technical scheme, when the back lid pulls out to the direction of keeping away from the pen tip, the back lid is rotatory through extending post drive rotatory piece, and rotatory piece pivoted in-process is applyed the effort to nib end direction to the atress piece for the nib ejecting pen shell of refill. When the rotating block rotates to the point that the force-bearing block is separated from the force-application notch, the pen point completely extends out of the pen shell, and the rotating block cannot rotate due to the force applied by the pen point during writing.
Preferably, the pen tail end of the pen shell is provided with a containing groove, the outer side surface of the pen tail end of the pen shell is provided with a positioning groove communicated with the containing groove, the side wall of the pen shell, which is positioned on the side of the positioning groove facing the pen head end, is provided with a first arc bulge, the inner wall of the containing groove is provided with a first inner limiting ring, which is positioned on the side close to the pen head end, and a space is reserved between the first inner limiting ring and the bottom surface of the containing groove; one quarter of the outer circle sections of the central plate extend outwards to form an expansion section, and a chamfer angle between the force application surface and the outer circle surface of the expansion section is in gentle transition; the mounting bracket comprises an inner mounting ring, two side support plates which are integrally formed on the same side of the inner mounting ring, and an outer mounting ring which is integrally formed on one end of the inner mounting ring and is far away from the two side support plates, wherein the outer side of the inner mounting ring is formed with a first outer limiting ring, the outer diameter of the first outer limiting ring is larger than that of the first inner limiting ring and smaller than that of the accommodating groove, one side of the outer mounting ring is formed with a positioning plate which is matched with the positioning groove, and when the positioning plate is positioned in the positioning groove, the positioning plate is formed with a second circular arc protrusion towards the position of the first circular arc protrusion, and the second circular arc protrusion is equal in diameter and connected with the first circular arc protrusion.
Through adopting above-mentioned technical scheme, first interior spacing ring and first outer spacing ring cooperation come fixed mounting bracket. By providing the expansion section, sufficient force is applied to push the nib of the pen core out of the pen shell completely under the condition of small diameter of the pen shell.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the push-pull operation piece is used for controlling the size change of the abutting component along the length direction of the pen, so that the nib of the pen core is finally controlled to extend out of or retract into the pen shell, and the pen core is stretched out and retracted through a brand new structure.
Drawings
FIG. 1 is a schematic structural view of a first embodiment;
FIG. 2 is a schematic cross-sectional view of an embodiment after explosion;
FIG. 3 is a schematic partial cross-sectional view of the first embodiment;
FIG. 4 is a schematic diagram of a second embodiment;
FIG. 5 is a schematic cross-sectional view of a second embodiment after explosion;
fig. 6 is a schematic structural view of a third embodiment;
FIG. 7 is a schematic partial cross-sectional view of embodiment three;
fig. 8 is a schematic structural view of a fourth embodiment;
FIG. 9 is a schematic partial cross-sectional view of embodiment four;
fig. 10 is a schematic structural view of a fifth embodiment;
FIG. 11 is a schematic partial cross-sectional view of embodiment five;
fig. 12 is a schematic structural view of a sixth embodiment;
fig. 13 is a schematic partial sectional view of a sixth embodiment.
Reference numerals illustrate: 1. a pen shell; 2. a pen core; 3. an elastic member; 4. an operating member; 5. an abutment assembly; 6. a receiving groove; 7. a positioning groove; 8. a first arc protrusion; 9. a first inner stop collar; 10. a mounting frame; 11. a rotating block; 12. a circular groove; 13. an inner mounting ring; 14. a side support plate; 15. an outer mounting ring; 16. a first outer limit ring; 17. a positioning plate; 18. a second arc protrusion; 19. a center plate; 20. an expansion section; 21. a force application notch; 22. a hinge part; 23. a rear cover; 24. a groove; 25. a second inner stop collar; 26. a limiting plate; 27. an extension column; 28. a stress block; 29. limiting support plates; 30. a reinforcing plate; 31. a limit bump; 32. a hook; 33. a spring plate; 34. a force application block; 35. a fan-shaped sheet; 36. a transition block; 37. a transition port; 38. a through hole; 39. a primary hole; 40. a force ball; 41. a force-bearing rod; 42. a force-bearing member; 43. a first lever; 44. a second rod.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-13.
Embodiment one:
as shown in fig. 1, a pen with a retractable pen core 2 comprises a pen shell 1, the pen core 2 positioned in the pen shell 1, an elastic member 3 for applying elastic force to the pen core 2, an operation member 4 and an abutting component 5 matched with the operation member 4 to control whether the pen core 2 stretches out or not.
As shown in fig. 1, the pen casing 1 includes a pen head end and a pen tail end, wherein the pen head end refers to one end of the pen core 2, which is used for writing after extending out of the pen casing 1, and the pen tail end refers to the other end of the pen casing 1 opposite to the pen head end. The elastic piece 3 is a spring (or other elastic parts) which is arranged in the shell and is close to the pen tip, one end of the spring close to the pen tip is abutted against the inner side of the pen shell 1, and the other end of the spring is abutted against the pen core 2.
As shown in fig. 2, the pen tail end of the pen shell 1 is formed with a holding groove 6, the outer side surface of the pen shell 1 at the pen tail end is formed with a positioning groove 7 communicated with the holding groove 6, a first arc protrusion 8 is formed on the side wall of the pen shell 1, which is positioned on one side of the positioning groove 7 towards the pen head end, a first inner limiting ring 9 is formed on one side, which is close to the pen head end, of the inner wall of the holding groove 6, and a space is reserved between the first inner limiting ring 9 and the bottom surface of the holding groove 6.
As shown in fig. 2, the abutment assembly 5 includes a mounting bracket 10, and a rotation block 11 rotatably coupled to the center of the mounting bracket 10. The mounting frame 10 comprises an inner mounting ring 13, two side support plates 14 integrally formed on the same side of the inner mounting ring 13, and an outer mounting ring 15 integrally formed on one end of the two side support plates 14 away from the inner mounting ring 13. The outer side of the inner mounting ring 13 is provided with a first outer limiting ring 16, and the outer diameter of the first outer limiting ring 16 is larger than the outer diameter of the first inner limiting ring 9 and smaller than the inner diameter of the accommodating groove 6; after the inner mounting ring 13 is inserted into the receiving groove 6, the first outer limit ring 16 is deformed by pressing through the position of the first inner limit ring 9, so that the mounting bracket 10 is fixed in the receiving groove 6. Six reinforcing ribs are symmetrically formed on the inner side of the inner mounting ring 13 to strengthen the inner mounting ring 13. The two side support plates 14 are parallel to each other, and the rotary block 11 is rotatably connected to the mounting frame 10 at the center of the two side support plates 14. One side of the outer mounting ring 15 is provided with a positioning plate 17 which is matched with the positioning groove 7, when the positioning plate 17 is positioned in the positioning groove 7, the positioning plate 17 is provided with a second circular arc protrusion 18 towards the position of the first circular arc protrusion 8, and the second circular arc protrusion 18 and the first circular arc protrusion 8 are equal in diameter and are connected.
As shown in fig. 2 and 3, the rotary block 11 includes a circular central plate 19 and an expansion section 20 formed by expansion extending outwardly from one quarter of the outer circumferential section of the central plate 19, a force application notch 21 is formed in the central plate 19 at a position adjacent to the expansion section 20, the side surface of the force application notch 21 adjacent to the expansion section 20 is a force application surface, and a chamfer angle between the force application surface and the outer circumferential surface of the expansion section 20 is gently transited. The central plate 19 is formed with a circular hinge 22 near the force application slot 21 and away from the expansion segment 20.
As shown in fig. 2 and 3, the operation member 4 includes a rear cover 23, a groove 24 is formed at one end of the rear cover 23 facing the pen case 1 so that the rear cover 23 can be sleeved on the pen tail end of the pen case 1, a second inner limit ring 25 is formed on the inner wall of the rear cover 23 at a position close to the bottom surface of the groove 24, and a space is reserved between the second inner limit ring 25 and the bottom surface of the groove 24. The rear cover 23 is embedded to be provided with a limiting plate 26, the diameter of the limiting plate 26 is equal to the inner diameter of the groove 24, the thickness of the limiting plate 26 is equal to the distance between the second inner limiting ring 25 and the bottom surface of the groove 24, and when the limiting plate 26 is embedded into the groove 24, the limiting plate 26 and the second inner limiting ring 25 are extruded and deformed to pass through the position of the second inner limiting ring 25. An elastic extension column 27 is fixed on one side of the limiting plate 26, which is away from the bottom surface of the groove 24, and is rotatably connected with the hinge part 22 through the extension column 27.
As shown in fig. 2 and 3, a force receiving block 28 is fixed on one side of the pen core 2 facing the pen tail end, and the force receiving block 28 is abutted against the force application surface of the force application notch 21.
The specific using process comprises the following steps:
when the rear cover 23 is pulled out in the direction away from the pen tip, the rear cover 23 drives the rotating block 11 to rotate through the extending column 27, and in the rotating process of the rotating block 11, acting force in the direction of the pen tip end is applied to the force receiving block 28, so that the pen tip of the pen core 2 is ejected out of the pen shell 1. When the rotating block 11 rotates to a position that the force receiving block 28 is separated from the abutting position of the force application surface of the force application notch 21 to reach the abutting position of the outer circular surface of the expansion section 20, the pen point completely extends out of the pen shell 1, and at the moment, the rotating block 11 cannot rotate due to the force applied by the pen point during writing.
When the pen tip is retracted into the pen housing 1, the rear cover 23 is pushed in a direction approaching the pen tip.
Embodiment two:
as shown in fig. 4, a pen with a retractable pen core 2 comprises a pen shell 1, the pen core 2 positioned in the pen shell 1, an elastic member 3 for applying elastic force to the pen core 2, an operation member 4 and an abutting component 5 matched with the operation member 4 to control whether the pen core 2 extends.
As shown in fig. 5, the pen tip of the pen case 1 has the same structure as that of the first embodiment, and the pen tail of the pen case 1 is formed with two side support plates 14 extending away from the pen tip. The two side support plates 14 are parallel to each other, and the position of the two side support plates 14 away from the pen tip is integrally formed with a limit support plate 29 for connecting the two side support plates 14, and one side of the limit support plate 29, which faces the pen tip, is extended and formed with a reinforcing plate 30 connected with the two side support plates 14. The reinforcing plate 30 extends to form a limit lug 31 towards the center of the pen shell 1, a space is reserved between the limit lug 31 and the limit support plate 29, and the limit lug 31 inclines towards the center of the pen shell 1 from the pen point end to the pen tail end towards the side face of the pen head end.
As shown in fig. 5, the operation member 4 includes a rear cover 23, and a groove 24 is formed at an end of the rear cover 23 toward the pen case 1 so that the rear cover 23 can be fitted over the pen tail end of the pen case 1. The bottom surface of the groove 24 is formed with an extension column 27, and one end of the extension column 27 far away from the bottom surface of the groove 24 is formed with a clamping hook 32. The trip 32 is clamped on the limiting support plate 29 so that the rear cover 23 can only be pulled out for a certain distance in the direction away from the pen tip, and meanwhile, the side face of the extending column 27 is abutted with the limiting support plate 29 so that the rear cover 23 cannot rotate.
As shown in fig. 5, the abutting component 5 includes a spring plate 33 and a force application block 34 formed on the inner wall of the groove 24 and matched with the spring plate 33, one end of the spring plate 33 abuts against the pen core 2, and the middle part of the spring plate 33 is bent back and forth twice and then inserted into a gap between the limit bump 31 and the limit bracket plate 29. The force application blocks 34 are arranged at two sides of the bending positions of the two elastic sheets 33 towards the pen head end, the side surface of the force application block 34 facing the bending positions of the adjacent elastic sheets 33 is a force application surface, and the force application surface is inclined from the pen head end to the pen tail end in a direction away from the center of the pen tail. The opposite sides of the two force application blocks 34 are locking surfaces, and the locking surfaces are parallel to the center line of the pen shell 1 along the length direction.
The specific using process comprises the following steps:
when the rear cover 23 is pulled out in a direction away from the pen tip, the elastic piece 33 is pressed by the force application surface in a matched manner, so that the elastic piece 33 deforms towards the middle and then expands in the length direction to eject the pen tip of the pen core 2 out of the pen shell 1. When the force application block 34 reaches the position where the locking surface is abutted against the elastic piece 33, the pen point is completely extended out of the pen shell 1.
When the pen tip is retracted into the pen housing 1, the rear cover 23 is pushed in a direction approaching the pen tip.
Embodiment III:
as shown in fig. 6, a pen with a retractable pen core 2 comprises a pen housing 1, the pen core 2 positioned in the pen housing 1, an elastic member 3 for applying elastic force to the pen core 2, an operation member 4 and an abutting component 5 matched with the operation member 4 to control whether the pen core 2 extends.
As shown in fig. 7, the structure of the pen tip of the pen case 1 is the same as that of the first embodiment, the pen tail end of the pen case 1 is formed with three side support plates 14 and a limit support plate 29, the limit support plate 29 is connected to the position of the three side support plates 14 away from the pen tip, and the three side support plates 14 and the limit support plate 29 form a receiving space with a single side opening on the pen case 1. The operating member 4 comprises a rear cover 23, the end of the rear cover 23 facing the pen housing 1 being formed with a recess 24 so that the rear cover 23 can be fitted over the pen tail end of the pen housing 1.
As shown in fig. 7, the abutment assembly 5 includes a segment 35, a transition block 36, and a force application block 34 fixed or molded inside the groove 24, which are provided in the accommodation space at intervals from the pen tail end direction toward the pen head end direction. The sector 35 and the transition block 36 are specifically and sequentially arranged as a sector 35, a transition block 36, and a sector 35. All of the segments 35 are angled beyond 90 degrees and no more than 180 degrees. All the transition blocks 36 have the same height as the radius of the sector 35, and the same side of the transition blocks 36 is provided with arc-shaped transition openings 37, the radius of the transition openings 37 is equal to the radius of the sector 35, and the circle center of the transition openings 37 is flush with the upper surface of the transition blocks 36. A force-bearing block 28 is fixed on one side of the pen core 2, which is positioned at the tail end of the pen, the force-bearing block 28 extends into the accommodating space and is abutted with the sector piece 35, and the height of the force-bearing block 28 is equal to that of the transition block 36. The distance between the urging block 34 and the bottom surface of the accommodating space is equal to the height of the transition block 36, and the surface of the urging block 34 abutting against the sector 35 when the rear cover 23 is pushed is an urging surface.
The specific using process comprises the following steps:
when the rear cover 23 is pulled out in a direction away from the pen head end, the force application surface sequentially presses the three fan-shaped pieces 35, the fan-shaped pieces 35 are driven to rotate in the pressing process, and when the fan-shaped pieces 35 rotate to a position not higher than the transition piece 36, the pen point of the pen core 2 extends out of the pen shell 1 due to the fact that the lengths of the fan-shaped pieces 35 and the transition piece 36 in the length direction of the pen are increased.
Embodiment four:
as shown in fig. 8, a pen with a retractable pen core 2 comprises a pen housing 1, the pen core 2 positioned in the pen housing 1, an elastic member 3 for applying elastic force to the pen core 2, an operation member 4 and an abutting component 5 matched with the operation member 4 to control whether the pen core 2 extends.
As shown in fig. 9, the structure of the pen tip of the pen case 1 is the same as that of the first embodiment, two parallel side support plates 14 and a limit support plate 29 are formed at the pen tail end of the pen case 1, the limit support plate 29 is connected to one side of the side support plate 14 away from the pen tip, and two side open accommodation spaces are formed on the side support plate 14 and the limit support plate 29. The limit bracket is provided with a round groove 12 at a position close to the side edge on one face of the pen head end.
As shown in fig. 9, the operation member 4 includes a rear cover 23, and a groove 24 is formed at an end of the rear cover 23 toward the pen case 1 so that the rear cover 23 can be fitted over the pen tail end of the pen case 1. The bottom of the groove 24 is formed with a through hole 38 penetrated by the side support plate 14 and the limit support plate 29, and the width of the through hole 38 is equal to the width of the side support plate 14. The rear cover 23 is formed with a primary hole 39 communicated with the through hole 38 on the side facing away from the groove 24, the primary hole 39 and the through hole 38 are in chamfer transition, the chamfer surface is used as a force application surface, and the width of the primary hole 39 is larger than the width of the through hole 38 and smaller than twice the width of the through hole 38.
As shown in fig. 9, the abutment assembly 5 includes seven force balls 40 located in the accommodation space, one force ball 40 is located in the circular groove 12, and the other six force balls 40 are arranged in the accommodation space from the tail end of the pen to the pen tip end. The diameter of the force ball 40 is smaller than the width of the accommodation space and larger than half the width of the primary hole 39. A force-bearing block 28 is fixed on one side of the pen refill 2 at the tail end of the pen, and the force-bearing block 28 stretches into the accommodating space and is abutted with the force-bearing ball 40.
The specific using process comprises the following steps:
when the rear cover 23 is pulled out in a direction away from the pen tip, the force application surface guides the force receiving balls 40 to enter the through holes 38, and the force receiving balls 40 are arranged in a staggered manner when the force receiving balls 40 are positioned at the initial position holes 39 and enter the through holes 38, so that the force receiving balls 40 are more close to being arranged along a straight line at the moment due to the smaller width of the through holes 38. The size of the plurality of force-receiving balls 40 in the length direction of the pen is increased in the new arrangement such that the nib of the pen core 2 protrudes out of the pen case 1.
Fifth embodiment:
as shown in fig. 10, a pen with a retractable pen core 2 comprises a pen housing 1, the pen core 2 positioned in the pen housing 1, an elastic member 3 for applying elastic force to the pen core 2, an operation member 4 and an abutting component 5 matched with the operation member 4 to control whether the pen core 2 extends.
As shown in fig. 11, the structure of the pen tip of the pen case 1 is the same as that of the first embodiment, two parallel side support plates 14 and a limit support plate 29 are formed at the pen tail end of the pen case 1, the limit support plate 29 is connected to one side of the side support plate 14 away from the pen tip, and two side open accommodation spaces are formed on the side support plate 14 and the limit support plate 29.
As shown in fig. 11, the operation member 4 includes a rear cover 23, and a groove 24 is formed at an end of the rear cover 23 toward the pen case 1 so that the rear cover 23 can be fitted over the pen tail end of the pen case 1.
As shown in fig. 11, the abutment assembly 5 includes a force bar 41 between the two side bracket plates 14 and a force block 34 formed on the side wall of the recess 24. The side of the force application block 34 facing away from the pen head end is a force application surface, the force application surface is inclined from the pen tail end to the pen head end direction towards the center of the pen shell 1, the side of the force application block 34 facing towards the center of the pen shell 1 is a locking surface, and the locking surface is parallel to the center line of the pen shell 1 along the length direction. The center of the force-bearing rod 41 is rotatably connected with the two side support plates 14, and one end of the force-bearing rod 41 is abutted with the pen core 2.
The specific using process comprises the following steps:
when the rear cover 23 is pulled out in a direction away from the pen tip, the force application surface is abutted with one end of the force-receiving rod 41 away from the pen core 2 to apply force to drive the force-receiving rod 41 to rotate, and the pen tip of the pen core 2 is pushed to be exposed out of the pen shell 1 in the rotating process of the force-receiving rod 41 until the force-receiving rod 41 is abutted with the locking surface.
Example six:
as shown in fig. 12, a pen with a retractable pen core 2 comprises a pen housing 1, the pen core 2 positioned in the pen housing 1, an elastic member 3 for applying elastic force to the pen core 2, an operation member 4 and an abutting component 5 matched with the operation member 4 to control whether the pen core 2 extends.
As shown in fig. 13, the structure of the pen tip of the pen case 1 is the same as that of the first embodiment, two parallel side support plates 14 and a limit support plate 29 are formed at the pen tail end of the pen case 1, the limit support plate 29 is connected to one side of the side support plate 14 away from the pen tip, and two side open accommodation spaces are formed on the side support plate 14 and the limit support plate 29.
As shown in fig. 13, the operation member 4 includes a rear cover 23, and a groove 24 is formed at an end of the rear cover 23 toward the pen case 1 so that the rear cover 23 can be fitted over the pen tail end of the pen case 1.
As shown in fig. 13, the abutment assembly 5 includes a force-bearing member 42 connected between the two side bracket plates 14 and a force-applying block 34 formed on the side wall of the recess 24. The side of the force application block 34 facing away from the pen head end is a force application surface, the force application surface is inclined from the pen tail end to the pen head end direction towards the center of the pen shell 1, the side of the force application block 34 facing towards the center of the pen shell 1 is a locking surface, and the locking surface is parallel to the center line of the pen shell 1 along the length direction. The force receiving member 42 includes two first rods 43 with one ends rotatably connected to the side support plate 14, and two second rods 44 rotatably connected to the other ends of the first rods 43, respectively, where the two second rods 44 are rotatably connected to one ends of the first rods 43 away from the pen core 2.
The specific using process comprises the following steps:
when the rear cover 23 is pulled out in a direction away from the pen tip, the rotation connection part of the force application surface and the first rod 43 and the second rod 44 is abutted to drive the first rod 43 and the second rod 44 to rotate, so that the second rod 44 pushes the pen point of the pen core 2 to be exposed out of the pen shell 1 until the rotation connection part of the first rod 43 and the second rod 44 is abutted to the locking surface.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. The utility model provides a pen with a telescopic pen core, comprises a pen shell (1), a pen core (2) which is arranged in the pen shell (1) and moves, and an elastic piece (3) which applies acting force to the pen core (2) towards the tail end direction of the pen, and is characterized in that: the pen comprises a pen shell (1), and is characterized by further comprising a movable operating piece (4) and an abutting component (5) matched with the operating piece (4), wherein a limiting component matched with the abutting component (5) is arranged on the pen shell (1), and the position where the abutting component (5) is matched with the limiting component cannot move in a direction away from the pen head end; when the operating piece (4) moves in a direction away from the pen head end, the abutting component (5) deforms or changes in position to push the pen head of the pen core (2) to extend out of the pen shell (1).
2. The pen with a retractable refill according to claim 1, characterized in that: the pen tail end of the pen shell (1) is provided with at least two side support plates (14) and a limit support plate (29) connected with the two side support plates (14), and an accommodating space is formed between the side support plates (14) and the limit support plate (29); the operating member (4) comprises a rear cover (23), a force application surface is arranged in the rear cover (23), and the abutting assembly (5) is positioned in the accommodating space and changes in size along the length direction of the pen under the action of the force application surface.
3. The pen with a retractable refill according to claim 2, characterized in that: the pen is characterized in that a groove (24) is formed in the rear cover (23) towards one end of the pen shell (1), a through hole (38) penetrated by the side support plate (14) and the limit support plate (29) is formed in the bottom surface of the groove (24), a primary hole (39) communicated with the through hole (38) is formed in one side of the rear cover (23) away from the groove (24), a force application surface is a chamfer transition surface between the primary hole (39) and the through hole (38), and the width of the primary hole (39) is larger than that of the through hole (38) and smaller than that of the through hole (38) by two times; the abutting assembly (5) comprises a plurality of stress balls (40) located in the accommodating space, and the diameter of each stress ball (40) is smaller than the width of the accommodating space and larger than half of the width of the primary hole (39).
4. A pen with a retractable refill according to claim 3, characterized in that: a round groove (12) is formed in the position, close to the side edge, of one face, facing the pen head end, of the limiting support, and one stress ball (40) is located in the round groove (12).
5. The pen with a retractable refill according to claim 2, characterized in that: the abutting component (5) comprises an elastic piece (33), one end of the elastic piece (33) abuts against the pen core (2), the other end abuts against the limiting support plate (29), and the middle part of the elastic piece (33) is bent by one step after being written; the force application surface is arranged on one side of the bending part of the elastic sheet (33) facing the pen head end, and is inclined from the pen head end to the pen tail end in a direction away from the center of the pen tail, one side of the two force application blocks (34) facing each other is a locking surface, and the locking surface is parallel to the center line of the pen shell (1) along the length direction.
6. The pen with a retractable refill according to claim 2, characterized in that: the butt subassembly (5) include fan-shaped piece (35), transition piece (36) and be located application of force piece (34) on back lid (23) that follow pen tail end direction towards pen head end direction interval set up in accommodation space, the angle of fan-shaped piece (35) all surpasss 90 degrees and is not more than 180 degrees, the height of transition piece (36) all equals with the radius of fan-shaped piece (35), and the same side of first transition piece (36) and second transition piece (36) all is provided with curved transition mouth (37), the radius of transition mouth (37) equals with the radius of fan-shaped piece (35), the centre of a circle position of transition mouth (37) equals with the upper surface parallel and level of transition piece (36), the interval between application of force piece (34) and the accommodation space bottom surface equals with the height of transition piece (36), the application of force face is located application of force piece (34).
7. The pen with a retractable refill according to claim 2, characterized in that: the abutting assembly (5) comprises a force-bearing rod (41) positioned between the two side support plates (14) and a force-bearing block (34) formed on the side wall of the groove (24), wherein the force-bearing surface is positioned on one side of the force-bearing block (34) opposite to the pen head end, the force-bearing surface inclines from the pen tail end to the center of the pen shell (1) in the direction of the pen head end, one side of the force-bearing block (34) facing to the center of the pen shell (1) is a locking surface, the locking surface is parallel to the center line of the pen shell (1) in the length direction, the center of the force-bearing rod (41) is rotationally connected with the two side support plates (14), and one end of the force-bearing rod (41) is abutted to the pen core (2).
8. The pen with a retractable refill according to claim 2, characterized in that: the abutting assembly (5) comprises a force bearing piece (42) connected between two side support plates (14) and a force application block (34) formed on the side wall of the groove (24), wherein the force application surface is positioned on one side of the force application block (34) opposite to the pen head end, the force application surface inclines from the pen tail end to the center of the pen shell (1) in the direction of the pen head end, one side of the force application block (34) facing to the center of the pen shell (1) is a locking surface, the locking surface is parallel to the center line of the pen shell (1) in the length direction, the force bearing piece (42) comprises two first rods (43) with one ends rotatably connected with the side support plates (14) and second rods (44) rotatably connected with the other ends of the first rods (43), and one ends of the two second rods (44) away from the first rods (43) are rotatably connected and are abutted with the pen core (2).
9. The pen with a retractable refill according to claim 1, characterized in that: the abutting assembly (5) comprises a mounting frame (10) and a rotating block (11) rotatably connected to the center of the mounting frame (10), the rotating block (11) comprises a circular central plate (19), a force application notch (21) is formed in the position, adjacent to the expansion section (20), of the central plate (19), the side, close to the expansion section (20), of the force application notch (21 is a force application surface, a hinge part (22) is formed in the position, close to the force application notch (21), far away from the expansion section (20), of the central plate (19), a force receiving block (28) is fixed on one side, facing the tail end of the pen, of the pen core (2), and the force receiving block (28) is abutted to the force application surface of the force application notch (21); the operating member (4) includes a rear cover (23), an extension post (27) connected to the rear cover (23), the extension post (27) being rotatably connected to the hinge (22).
10. The pen with retractable refill according to claim 9, characterized in that: the pen comprises a pen shell (1), wherein a pen tail end of the pen shell (1) is provided with a containing groove (6), the outer side surface of the pen shell (1) is provided with a positioning groove (7) communicated with the containing groove (6), one side, located at the positioning groove (7), of the side wall of the pen shell (1) faces the pen head end is provided with a first arc bulge (8), one side, close to the pen head end, of the inner wall of the containing groove (6) is provided with a first inner limiting ring (9), and a space is reserved between the first inner limiting ring (9) and the bottom surface of the containing groove (6); one quarter of the outer circle sections of the central plate (19) extend outwards to be expanded to form an expansion section (20), and a chamfer angle between the force application surface and the outer circle surface of the expansion section (20) is in gentle transition; the mounting frame (10) comprises an inner mounting ring (13), two side support plates (14) which are integrally formed on the same side of the inner mounting ring (13), an outer mounting ring (15) which is integrally formed on one end of the inner mounting ring (13) away from the two side support plates (14), a first outer limiting ring (16) is formed on the outer side of the inner mounting ring (13), the outer diameter of the first outer limiting ring (16) is larger than the outer diameter of the first inner limiting ring (9) and smaller than the inner diameter of the accommodating groove (6), a positioning plate (17) which is matched with the positioning groove (7) is formed on one side of the outer mounting ring (15), when the positioning plate (17) is positioned in the positioning groove (7), a second circular arc protrusion (18) is formed on the position of the positioning plate (17) facing the first circular arc protrusion (8), and the second circular arc protrusion (18) and the first circular arc protrusion (8) are connected in an equal diameter mode.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310094729 | 2023-01-14 | ||
| CN2023100947299 | 2023-01-14 |
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| Publication Number | Publication Date |
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| CN116512794A true CN116512794A (en) | 2023-08-01 |
| CN116512794B CN116512794B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310241515.XA Active CN116512794B (en) | 2023-01-14 | 2023-03-07 | Pen with telescopic pen core |
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| CN (1) | CN116512794B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1364700A (en) * | 2001-01-09 | 2002-08-21 | A.T.X.国际公司 | Telescopic writing tool |
| CN201186551Y (en) * | 2007-11-10 | 2009-01-28 | 田野 | Hand pull type pen |
| WO2010100800A1 (en) * | 2009-03-01 | 2010-09-10 | Tsukada Fujio | Writing implement |
| US20160375716A1 (en) * | 2015-06-23 | 2016-12-29 | The Berea Hardwoods Co., Inc. | Lever-actuated pen |
| CN211493430U (en) * | 2019-12-26 | 2020-09-15 | 张潇雨 | Holding posture correcting pen |
-
2023
- 2023-03-07 CN CN202310241515.XA patent/CN116512794B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1364700A (en) * | 2001-01-09 | 2002-08-21 | A.T.X.国际公司 | Telescopic writing tool |
| CN201186551Y (en) * | 2007-11-10 | 2009-01-28 | 田野 | Hand pull type pen |
| WO2010100800A1 (en) * | 2009-03-01 | 2010-09-10 | Tsukada Fujio | Writing implement |
| US20160375716A1 (en) * | 2015-06-23 | 2016-12-29 | The Berea Hardwoods Co., Inc. | Lever-actuated pen |
| CN211493430U (en) * | 2019-12-26 | 2020-09-15 | 张潇雨 | Holding posture correcting pen |
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|---|---|
| CN116512794B (en) | 2024-04-26 |
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