AU2024201695B2 - Sidewall sliding ballpoint pen with erasing block - Google Patents

Abstract

11 The present patent discloses a sidewall sliding ballpoint pen with an erasing block, the erasing block located at an upper end of a penholder is fixed relative to the penholder by arranging a driving member on a circumferential wall of the penholder for sliding driving to prevent the erasing block from being interfered by a refill control assembly during use to affect 5 an erasing effect and damage the refill control assembly. ABSTRACTThe present patent discloses a sidewall sliding ballpoint pen with an erasing block, the erasing block located at an upper end of a penholder is fixed relative to the penholder by 5 arranging a driving member on a circumferential wall of the penholder for sliding driving to prevent the erasing block from being interfered by a refill control assembly during use to affect an erasing effect and damage the refill control assembly. 2 6 4 7 1 11 20 24 20 16 95 14 M ar 2 02 4 A B S T R A C T T h e p r e s e n t p a t e n t d i s c l o s e s a s i d e w a l l s l i d i n g b a l l p o i n t p e n w i t h a n e r a s i n g b l o c k , t h e e r a s i n g b l o c k l o c a t e d a t a n u p p e r e n d o f a p e n h o l d e r i s f i x e d r e l a t i v e t o t h e p e n h o l d e r b y 2 0 2 4 2 0 1 6 9 5 1 4 M a r 2 0 2 4 a r r a n g i n g a d r i v i n g m e m b e r o n a c i r c u m f e r e n t i a l w a l l o f t h e p e n h o l d e r f o r s l i d i n g d r i v i n g t o 5 p r e v e n t t h e e r a s i n g b l o c k f r o m b e i n g i n t e r f e r e d b y a r e f i l l c o n t r o l a s s e m b l y d u r i n g u s e t o a f f e c t a n e r a s i n g e f f e c t a n d d a m a g e t h e r e f i l l c o n t r o l a s s e m b l y . 2 6 4 7 1 1 1 A B S T R A C T 2 0 2 4 2 0 1 6 9 5 1 4 M a r 2 0 2 4 5 2 6 4 7 1 1 1/9 FIG. 1 1/9 2 6 4 7 1 FIG. 1 20 24 20 16 95 14 M ar 2 02 4 1 / 9 2 6 2 0 2 4 2 0 1 6 9 5 1 4 M a r 2 0 2 4 4 7 1 F I G . 1 2 2 0 2 4 2 0 1 6 9 5 1 4 M a r 2 0 2 4

Description

1/9 1/9

2 14 Mar 2024

6

4 7 2024201695

1

FIG. 11 FIG.

SIDEWALL SLIDING SIDEWALL SLIDING BALLPOINT BALLPOINT PEN PEN WITH WITH ERASING ERASING BLOCK BLOCK 14 Mar 2024

TECHNICALFIELD TECHNICAL FIELD

[0001] TheThe

[0001] present present patent patent belongs belongs tofield to the the field of stationery, of stationery, and specifically and specifically pertains pertains to a to a sidewall sliding ballpoint pen with an erasing block. sidewall sliding ballpoint pen with an erasing block.

5 5 BACKGROUND BACKGROUND

[0002] A ballpoint pen is a pen in which the ink is brought out by rolling the ball at the front of

[0002] A ballpoint pen is a pen in which the ink is brought out by rolling the ball at the front of

the pen or refill to write. Conventional ballpoint pens do not require erasing blocks as the ink for the pen or refill to write. Conventional ballpoint pens do not require erasing blocks as the ink for

writing cannot writing cannot be be erased. erased. However, However,with withthetheimprovement improvement of ink, of ink, existing existing ballpoint ballpoint penpen cancan use use 2024201695

erasable ink erasable ink (e.g., (e.g., temperature sensitive ink), temperature sensitive ink), which requires the which requires the use useofoferasing erasingblocks blocksfor forthe the 10 10 ballpoint pens to erase previously written content in case of writing errors or other situations. ballpoint pens to erase previously written content in case of writing errors or other situations.

[0003] In In

[0003] order order to to prevent prevent thethe erasing erasing block block fromfrom being being lost,lost, prevent prevent the erasing the erasing blockblock from from interfering with interfering writing on with writing onthe thepen pentip, tip,and and prevent prevent the the erasing erasing block block from from interfering interfering with with holding the holding the penholder, penholder,the theerasing erasingblock blockisisusually usuallyarranged arranged at at an an endend of the of the penholder penholder away away

fromthe from the pen pentip. tip. However, However,oneone of of thethe mainstream mainstream structures structures in the in the existing existing ballpoint ballpoint pens pens is is a a 15 15 press type press type pen pentip tip structure, structure, and andaapress presscontrol controlstructure structurethereof thereofisislocated locatedatatananend endof of thethe

penholderaway penholder awayfrom from thethe penpen tip, tip, thatis,is,which that whichneeds needs to to be be arranged arranged at same at a a same position position as the as the

erasing block, erasing block, SO so that that the the erasing erasing block needstoto be block needs bearranged arrangedononthethepress pressstructure. structure.Therefore, Therefore, whenthe when theerasing erasingblock blockis isused used to to erase erase thethe written written content, content, thethe elasticpress elastic presscontrol controlstructure structure makesitit inconvenient makes inconvenienttotoapply applya force a force to to thethe erasing erasing block block (affecting (affecting thethe erasing erasing effect),andand effect),

20 20 repeated movement repeated movement of of thethepress presscontrol controlstructure structurecan caneasily easily cause cause damage. damage. SUMMARY SUMMARY

[0004] In In

[0004] view view of the of the deficiencies deficiencies of prior of the the prior art, art, it an it is is an object object of the of the present present patent patent to to provide aa sidewall provide sidewallsliding sliding ballpoint ballpoint pen penwith withananerasing erasingblock, block,the theerasing erasingblock block located located at at an an

upper end upper endofofaa penholder penholderisisfixed fixedrelative relative to to the the penholder byarranging penholder by arranginga adriving drivingmember member on on a a 25 25 circumferential wall circumferential wall of of the the penholder for sliding penholder for sliding driving driving to to prevent prevent the the erasing erasing block block from from being being

interfered by a refill control assembly during use to affect an erasing effect and damage the refill interfered by a refill control assembly during use to affect an erasing effect and damage the refill

control assembly. control assembly.

[0005] In In

[0005] order order to to achieve achieve theabove the above object,thethefollowing object, following technicalsolutions technical solutionsare areprovided: provided:the the sidewall sliding sidewall sliding ballpoint ballpoint pen pen comprises: comprises: aa penholder, penholder, wherein whereina amounting mounting cavity cavity is is provided provided in in 30 30 the penholder, the penholder, aa lower lower end endofofthe the penholder penholderisisprovided providedwith withananaccess accesscommunicating communicating with with the the mountingcavity, mounting cavity,aasidewall sidewallofofthe thepenholder penholderisisprovided providedwith with a sidewall a sidewall notch notch communicating communicating

with the with the mounting mounting cavity, cavity, and and the sidewall the sidewall notchnotch extends extends along aalong lengtha direction length direction of the of the penholder; an penholder; an erasing erasing block blockprovided providedatatananupper upperend endofofthe thepenholder; penholder;a arefill refill slidably slidably mounted mounted

in the penholder, in whereina apen penholder, wherein pentip tipisis provided providedatata alower lowerendend of of thethe refill; aa driving refill; driving member, member, 35 35 whereinthe wherein thedriving drivingmember member is slidably is slidably mounted mounted on theon the sidewall sidewall notch, anotch, drivena portion driven is portion is 1 providedoutside provided outsidethe thesidewall sidewallof ofthethe penholder, penholder, and and the the driving driving member member is provided is provided with a with a 14 Mar 2024 driving portion driving portion located located in in the the mounting cavity; and mounting cavity; and aa refill refill control controlassembly assembly provided within the provided within the mountingcavity, mounting cavity,wherein whereinthetherefill refill control control assembly assemblyisisconfigured configured to to be be driven driven by by the the driving driving portion to control the pen tip to extend out of the access or retract into the mounting cavity. portion to control the pen tip to extend out of the access or retract into the mounting cavity.

5 5 [0006] Preferably,

[0006] Preferably, a plurality a plurality of of positioning positioning ratchet ratchet wheels wheels arranged arranged at intervals at intervals along aalong a circumferential direction circumferential direction and and positioning positioning grooves grooveslocated locatedbetween between adjacent adjacent positioning positioning ratchet ratchet

wheelsare wheels areprovided providedononanan inner inner circumferential circumferential wall wall of of thethe mounting mounting cavity; cavity; the the refill refill control control

assemblycomprises: assembly comprises:a rotating a rotating member, member, wherein wherein at least at least one snap-in one snap-in tab istab is provided provided on the on the 2024201695

rotating member rotating forsnap-fitting member for snap-fittingtotothe thepositioning positioningratchet ratchetwheel wheelor or thethe positioning positioning groove; groove; a a 10 10 ratchet wheel ratchet member, wheel member, wherein wherein thethe ratchet ratchet wheel wheel member member is slidably is slidably mounted mounted in the in the mounting mounting

cavity, the cavity, theratchet ratchetwheel wheel member is configured member is configuredtoto slide slide downward under downward under thethe actionofofthe action thedriving driving portion, aa plurality portion, pluralityof ofratchet ratchetwheel wheel projections projections are are provided provided on the ratchet on the ratchet wheel member wheel member in in a a circumferential direction, circumferential direction, and the ratchet and the ratchet wheel projections are wheel projections are configured configuredtotodrive drivethe thesnap-in snap-in tab to tab to rotate rotate in in the the circumferential circumferential direction; direction;and and aa reset resetmember, whereinthe member, wherein thereset reset member memberis is 15 15 configured to reset the refill upward; when the snap-in tab is snap-fitted to the positioning ratchet configured to reset the refill upward; when the snap-in tab is snap-fitted to the positioning ratchet

wheel, the wheel, the pen pentip tipextends extendsoutout of of thethe access, access, andand whenwhen the snap-in the snap-in tab istab is snap-fitted snap-fitted to theto the positioning groove, the pen tip retracts into the mounting cavity. positioning groove, the pen tip retracts into the mounting cavity.

[0007] Preferably,

[0007] Preferably, a force-bearing a force-bearing surface surface is provided is provided on aon a side side of driven of the the driven portion portion away away from the from thepenholder, penholder,thetheforce-bearing force-bearing surface surface comprises comprises a vertical a vertical surface surface andextension and an an extension 20 20 surface which are connected to each other, the vertical surface extends along a vertical direction, surface which are connected to each other, the vertical surface extends along a vertical direction,

the extension surface is located below the vertical surface, the extension surface gradually moves the extension surface is located below the vertical surface, the extension surface gradually moves

horizontally away horizontally awayfrom from thethe penholder penholder in ainvertical a vertical downward downward direction, direction, and a and a convex convex bar is bar is convexlyprovided convexly providedononthe theextension extensionsurface. surface.

[0008] Preferably,

[0008] Preferably, thethe upper upper endend of of thethe penholder penholder is detachably is detachably provided provided with with a split a split portion, portion,

25 25 and the split portion is configured to be detached from the penholder to open the sidewall notch. and the split portion is configured to be detached from the penholder to open the sidewall notch.

[0009] Preferably,

[0009] Preferably, the the sidewall sidewall notch comprises aa lower notch comprises lower segment segmentbody bodyprovided provided on on thethe

penholderand penholder andananupper uppersegment segment body body provided provided on the on the split split portion. portion.

[0010] Preferably,

[0010] Preferably, a pen a pen clipisisprovided clip providedononananouter outercircumference circumferenceof of thesplit the splitportion, portion, and and the the pen clip and the driven portion are arranged adjacent to each other. pen clip and the driven portion are arranged adjacent to each other.

30 30 [0011] Preferably,

[0011] Preferably, thethe erasing erasing block block is is provided provided with with an insertion an insertion portion, portion, thethe splitportion split portionisis providedwith provided withananinsertion insertionhole holecorresponding correspondingto to thethe insertion insertion portion,thetheinsertion portion, insertionportion portionisis inserted in inserted in the the insertion insertion hole hole to to allow allow the the erasing erasing block and the block and the split split portion portion to to be be mounted mounted toto

each other, a limiting snap-in slot is provided on an outer circumference of the insertion portion, each other, a limiting snap-in slot is provided on an outer circumference of the insertion portion,

a limiting a limiting snap-in block is snap-in block is provided provided ononananinner innercircumferential circumferentialwall wallofofthe theinsertion insertionhole, hole,and and 35 35 the limiting the limiting snap-in snap-inslot slotandand thethe limiting limiting snap-in snap-in blockblock are fitted are fitted to other to each each toother limitto limit 2 circumferential rotation of the erasing block relative to the split portion. circumferential rotation of the erasing block relative to the split portion. 14 Mar 2024

[0012] Preferably,

[0012] Preferably, a hook a hook portion portion is provided is provided on theon the circumference outer outer circumference of the insertion of the insertion

portion, and portion, the hook and the hookportion portionisislocated locatedatat an anend endofofthe theinsertion insertionhole holeaway away from from the the erasing erasing

block to block to restrict restrictupward upward movement movement ofofthe theerasing erasingblock. block. 5 5 [0013] Preferably,

[0013] Preferably, a lower a lower end end of the of the erasing erasing block block is symmetrically is symmetrically provided provided with rotation with rotation

stop surfaces, stop surfaces, each eachofofthethe rotation rotation stop stop surfaces surfaces is vertically is vertically inclined inclined downward downward along a along a horizontal direction horizontal direction away fromeach away from eachother, other,and anda amating mating surface surface is isprovided provided on on thethe splitportion split portion for adapting to each of the rotation stop surfaces. for adapting to each of the rotation stop surfaces. 2024201695

[0014] Preferably,

[0014] Preferably, a pen a pen clip clip is is provided provided on outer on an an outer circumference circumference ofupper of the the upper end ofend the of the 10 10 penholder, and the pen clip and the driven portion are arranged adjacent to each other. penholder, and the pen clip and the driven portion are arranged adjacent to each other.

[0015] By By

[0015] adopting adopting the above the above technical technical solutions: solutions: 1. the written 1. the content content inwritten in temperature temperature

sensitive ink can be erased by the erasing block; 2. the erasing block is located at the upper end sensitive ink can be erased by the erasing block; 2. the erasing block is located at the upper end

of the of the penholder, penholder, and the driving and the driving member member isislocated locatedononthe thesidewall sidewallofofthe thepenholder, penholder,SOsothat that the the erasing block erasing block and andthe thedriving drivingmember member do interfere do not not interfere with with each each other other in terms in terms of structural of structural

15 15 position; therefore, position; therefore, the the erasing erasing block blockisisdirectly directlyarranged arranged on on the the penholder, penholder, and the and when when the penholder is gripped to erase the written content using the erasing block, the force acting on the penholder is gripped to erase the written content using the erasing block, the force acting on the

erasing block erasing block is is directly directly carried carried by by the the penholder, so that penholder, SO that interaction interaction among thepenholder, among the penholder,the the erasing block erasing block and andananerasing erasing plane plane is is stabler stabler to to optimize optimize the the erasing erasing effect; effect; accordingly, accordingly, the the

driving member driving member andand thethe matched matched refill refill control control assembly assembly are not are not interfered interfered withwith by erasing by the the erasing 20 20 block to block to prevent preventinvalid invalidoperation, operation,providing providingprotection protectionforforthe thedriving drivingmember member and refill and the the refill control assembly; control and3. assembly; and 3. the the driving driving member member isisforced forcedtoto slide slide vertically verticallydownward downward bybythe thedriven driven portion located outside the penholder, and then acts on the refill control assembly by the driving portion located outside the penholder, and then acts on the refill control assembly by the driving

portion in the mounting cavity, so that the refill control assembly is driven to control the refill to portion in the mounting cavity, SO that the refill control assembly is driven to control the refill to

extend out or retract. extend out or retract.

25 25 BRIEF DESCRIPTION BRIEF DESCRIPTION OF OF THE THE DRAWINGS DRAWINGS

[0016] FIG.

[0016] FIG. 11 is is an an assembly viewofofEmbodiment assembly view Embodiment1; 1;

[0017]

[0017] FIG. 22 is FIG. is an an exploded viewofofEmbodiment exploded view Embodiment1; 1;

[0018]

[0018] FIG. 33 is FIG. is aa sectional sectionalview view of ofEmbodiment Embodiment 1;1;

[0019]

[0019] FIG. 4 is an enlarged view of a portion of FIG. 3; FIG. 4 is an enlarged view of a portion of FIG. 3;

30 30 [0020]

[0020] FIG. 55 is FIG. is aa sectional sectionalview view of ofaapenholder penholder in inEmbodiment Embodiment 1;1;

[0021]

[0021] FIG. 66 is FIG. is aa detail detaildrawing drawing of ofaadriving drivingmember in Embodiment member in Embodiment 1; 1;

[0022]

[0022] FIG. 77 is FIG. is aa detail detail drawing drawing of of aa rotating rotatingmember and aa ratchet member and ratchet wheel member wheel member in in

Embodiment 1; Embodiment 1;

[0023] FIG.

[0023] FIG. 8 is 8 is a a partialstructural partial structural view of a split view of splitportion portioninin Embodiment 1; and Embodiment 1; and 35 35 [0024] FIG.

[0024] FIG. 9 is 9 is a a detaildrawing detail drawingofofananerasing erasingblock blockininEmbodiment Embodiment1. 1. 3

[0025] Reference

[0025] Referencenumerals: numerals: 14 Mar 2024

1. 1. penholder; penholder;

11. mounting mountingcavity; cavity;12.12.access; access;13.13. sidewall sidewall notch; notch; 14. 14. positioning positioning ratchet ratchet wheel; wheel; 15. 15.

positioning groove; positioning groove;

5 5 131. 131. lower segmentbody; lower segment body;132. 132.upper uppersegment segment body; body;

141. ratchet;142. 141. ratchet; 142.tooth toothgroove; groove; 143.143. vertical vertical groove; groove;

2. erasing block; 2. erasing block;

21. insertion portion; 22. limiting snap-in slot; 23. hook portion; 24. rotation stop surface; 21. insertion portion; 22. limiting snap-in slot; 23. hook portion; 24. rotation stop surface; 2024201695

3. refill; 3. refill;

10 10 31. Pen tip; 31. Pen tip;

4. driving 4. driving member; member;

41. driven portion; 42. drive unit; 43. force-bearing surface; 41. driven portion; 42. drive unit; 43. force-bearing surface;

431, vertical surface; 432. extension surface; 433. convex bar; 431, vertical surface; 432. extension surface; 433. convex bar;

5. refill control assembly; 5. refill control assembly;

15 15 51. rotating 51. rotating member; 52. ratchet member; 52. ratchet wheel member; wheel member; 53.reset 53. resetmember; member; 511. snap-in tab; 521. convex plate; 522. ratchet wheel projection; 511. snap-in tab; 521. convex plate; 522. ratchet wheel projection;

6. split portion; 6. split portion;

61. insertion hole; 62, limiting snap-in block; 63. mating surface; and 61. insertion hole; 62, limiting snap-in block; 63. mating surface; and

7. penholder. 7. penholder.

20 20 DESCRIPTION OF DESCRIPTION OF THE THE EMBODIMENTS EMBODIMENTS

[0026] In In

[0026] order order to to make make those those skilled skilled inin theart the art better better understand the present understand the present patent and and thereby thereby

define the scope of the present patent more clearly, the present patent is described below in detail define the scope of the present patent more clearly, the present patent is described below in detail

with respect with respect to to some specific embodiments some specific embodiments ofofthe thepresent presentpatent. patent. Embodiment1:1: Embodiment

25 25 [0027] AsAsshown

[0027] shown in FIGs. in FIGs. 1-9,1-9, a sidewall a sidewall sliding sliding ballpointpen ballpoint penwith withan an erasingblock, erasing block, comprises: comprises:

[0028] a penholder

[0028] a penholder 1, wherein 1, wherein a length a length direction direction of penholder of the the penholder 1 is vertical, 1 is vertical, a mounting a mounting

cavity 11 cavity 11 is is provided providedininthe thepenholder penholder1,1,a alower lower endend of the of the penholder penholder 1 is1provided is provided with with an an access 12 access 12 that that runs runsdownward downwardfromfrom the mounting the mounting cavitycavity 11, a sidewall 11, a sidewall of the of the penholder penholder 1 is 1 is 30 30 providedwith provided withaasidewall sidewallnotch notch1313communicating communicatingwithwith the the mounting mounting cavity cavity 11, the 11, and and sidewall the sidewall notch 13 extends along the length direction of the penholder 1; notch 13 extends along the length direction of the penholder 1;

[0029] an an

[0029] erasing erasing block block 2, wherein 2, wherein the erasing the erasing block block 2 is arranged 2 is arranged at an end at an upper upper end of the of the penholder1; penholder 1;

[0030] a refill

[0030] a refill3,3,wherein whereinthetherefill refill 33isis slidably slidably mounted mountedininthe thepenholder penholder 1, 1, a pen a pen tiptip 31 31 is is 35 35 provided atata alower provided lower endend of refill of the the refill 3, and 3, and the refill the refill 3 is 3configured is configured to accommodate to accommodate a a 4 temperature sensitive ink therein; temperature sensitive ink therein; 14 Mar 2024

[0031] a driving

[0031] a driving member member 4, wherein 4, wherein the driving the driving member member 4 is slidably 4 is slidably mounted mounted on the on the sidewall sidewall

notch 13, notch 13, the the driving driving member member 4 4 isisprovided providedwith witha adriven drivenportion portion4141located locatedoutside outsidethe thesidewall sidewall of the of the penholder 1, and penholder 1, and the the driving driving member member 4 4isis provided providedwith witha adriving drivingportion portion4242located locatedinin the the 5 5 mountingcavity mounting cavity11; 11;

[0032] a refill

[0032] a refillcontrol controlassembly assembly5,5,wherein wherein therefill the refill control control assembly assembly5 5isis provided providedwithin withinthe the mountingcavity mounting cavity11, 11,and andthetherefill refill control control assembly assembly5 5isisconfigured configuredtotobebedriven drivenbyby thethe driving driving

portion 42 to control the pen tip 31 to extend out of the access 12 or to retract into the mounting portion 42 to control the pen tip 31 to extend out of the access 12 or to retract into the mounting 2024201695

cavity 11 or to keep the pen tip 31 in an extended state. cavity 11 or to keep the pen tip 31 in an extended state.

10 10 [0033] Therefore,

[0033] Therefore, 1. 1. thethe content content written written in in thethe temperature temperature sensitive sensitive inkink cancan be be erased erased by the by the

erasing block erasing block 2; 2; 2. 2. the the erasing erasing block block 22isis located located at at the the upper upperend endofofthe thepenholder penholder1, 1, and and thethe

driving member driving member 4 islocated 4 is locatedononthethesidewall sidewallofofthe thepenholder penholder 1, 1, SOso thatthe that theerasing erasingblock block2 2andand the driving the driving member member 4 4 dodo notnot interferewith interfere witheach each other other in in terms terms of of structuralposition; structural position;therefore, therefore, the erasing the erasing block 2 is block 2 is directly directlyarranged arranged on on the the penholder penholder 1, 1, and and when thepenholder when the penholder1 1isisgripped gripped 15 15 to erase the written content using the erasing block 2, the force acting on the erasing block 2 is to erase the written content using the erasing block 2, the force acting on the erasing block 2 is

directly carried directly carried by by the the penholder penholder 1, 1, so SO that thatinteraction interactionamong among the penholder 1, the penholder 1, the erasing block block

2 and 2 and an an erasing erasing plane planeis is stabler stabler to to optimize optimize the the erasing erasing effect; effect;accordingly, accordingly,the thedriving drivingmember member

4 and 4 andthe thematched matched refillcontrol refill controlassembly assembly 5 are 5 are notnot interfered interfered with with by the by the erasing erasing block block 2 to 2 to prevent invalid prevent invalid operation, operation, providing providingprotection protectionfor forthe the driving drivingmember member 4 and 4 and the the refill refill control control

20 20 assembly5;5;and assembly and3.3.the thedriving drivingmember member4 is4 forced is forced to slide to slide vertically vertically downward downward bydriven by the the driven portion 41 portion 41 located located outside outside the the penholder penholder1,1, and andthen thenacts acts on onthe the refill refill control control assembly assembly 55 by by the the driving portion driving portion 42 42 in in the the mounting mountingcavity cavity11,11,SOsothat thatthe therefill refill control control assembly assembly5 5isisdriven driventoto control the refill 3 to extend out and keep extended or retract. control the refill 3 to extend out and keep extended or retract.

[0034] In In

[0034] thethe present present embodiment, embodiment, 3 positioning 3 positioning ratchet ratchet wheels wheels 14 arranged 14 arranged at intervals at intervals along along

25 25 a circumferential a circumferential direction direction and andpositioning positioninggrooves grooves 15 located 15 located between between adjacent adjacent positioning positioning

ratchet wheels ratchet wheels1414are areprovided provided on on an inner an inner circumferential circumferential wall wall ofmounting of the the mounting cavity cavity 11, 11, specifically, the positioning ratchet wheels 14 are integrally formed on the inner circumferential specifically, the positioning ratchet wheels 14 are integrally formed on the inner circumferential

wall of wall of the the mounting cavity11, mounting cavity 11, the the positioning positioning grooves grooves1515are arearranged arrangedtotoextend extendvertically verticallyand and have an have anopen openlower lower end, end, a lower a lower end end of each of each of positioning of the the positioning ratchet ratchet wheels wheels 14 is14 is provided provided

30 30 with 22 adjacent with adjacent ratchets ratchets 141, 141, and and aa V-shaped tooth groove V-shaped tooth groove142 142isis formed formedbetween between 2 ratchets141. 2 ratchets 141.

[0035] Accordingly,

[0035] Accordingly, thethe refillcontrol refill controlassembly assembly5 5comprises: comprises:

[0036] a rotating

[0036] a rotatingmember member 51, 51, wherein wherein 3 snap-in 3 snap-in tabs tabs 511 arranged 511 are are arranged at equal at equal intervals intervals on on an an outer circumference outer ofthe circumference of therotating rotating member member 51,51, andand thethe 3 snap-in 3 snap-in tabs tabs 511511 can can be snapped be snapped into into the 33 tooth the tooth grooves grooves 142 142simultaneously simultaneouslyor orinserted insertedinto intothe the3 3positioning positioninggrooves grooves15 15 35 35 simultaneously; and simultaneously; and 5

[0037] a ratchet

[0037] a ratchetwheel wheel member member 52, wherein 52, wherein an outer an outer circumferential circumferential wall wall of theofratchet the ratchet wheelwheel 14 Mar 2024

member member 52 52 is is provided provided withwith 3 convex 3 convex platesplates 521, 521, and theand thecircumferential inner inner circumferential wall of wall the of the mountingcavity mounting cavity1111isis correspondingly correspondinglyprovided providedwith with 3 3 verticalgrooves vertical grooves143, 143,SOsothat thatthe the 33 convex convex plates are respectively snap-fitted into the vertical grooves 143 to vertically slidably mount the plates are respectively snap-fitted into the vertical grooves 143 to vertically slidably mount the

5 5 ratchet wheel ratchet member wheel member 52 52 in in themounting the mounting cavity cavity 11;11; andand in addition, in addition, an an upper upper endend of the of the ratchet ratchet

wheelmember wheel member52 52 is is fixedlymounted fixedly mounted in the in the driving driving portion portion 42 42 in in a snap-fitmanner, a snap-fit manner,SOsothat thatwhen when the driving the driving portion portion 42 42moves moves downward, downward, the ratchet the ratchet wheelwheel membermember 52 driven 52 can be can betodriven slide to slide downward; downward; moreover, moreover, the the upper upper end end of the of the ratchet ratchet wheel wheel member member 52 is 52 is provided provided with 6 with 6 ratchet ratchet 2024201695

wheel projections 522 in a circumferential direction; and wheel projections 522 in a circumferential direction; and

10 10 [0038] a reset

[0038] a resetmember member 53, 53, which which may may be be a compression a compression spring, spring, whereinwherein themember the reset reset 53 member 53 abuts against the penholder 1 at a lower end thereof and abuts against the refill 3 at an upper end abuts against the penholder 1 at a lower end thereof and abuts against the refill 3 at an upper end

thereof, so that the reset member 53 has an upward driving force on the refill 3 to reset the refill thereof, SO that the reset member 53 has an upward driving force on the refill 3 to reset the refill

3 upward. 3 upward.

[0039] Therefore,

[0039] Therefore, by by arranging arranging relative relative positions positions of of thethe ratchet ratchet wheel wheel projection projection 522 522 and and the the 15 15 ratchet 141, ratchet whenthe 141, when thepen pen tiptip 3131 is is locatedin inthethemounting located mounting cavity cavity 11, 11, the the snap-in snap-in tab is tab 511 511 is located in located in the the positioning positioning groove groove 15, 15, so SO that thatwhen when the the driving driving member member 4 4isis driven drivendownward, downward,thethe

ratchet wheel ratchet projection 522 wheel projection 522 on onthe the ratchet ratchet wheel member wheel member 52 52 acts acts on on thethe snap-in snap-in tab511, tab 511,SOsothat that the snap-in the tab 511 snap-in tab movesdownward 511 moves downward outthe out of of the positioning positioning groove groove 15, the 15, and andsnap-in the snap-in tab tab 511 511 contacts the contacts the middle middleofofananinclined inclinedsurface surfaceofofthetheratchet ratchetwheel wheel projection projection 522, 522, thereby thereby losing losing

20 20 circumferential limit circumferential limit of of the the positioning positioning groove groove15. 15.After Afterthe thedriving drivingmember member 4 is4released is released by by rotating the rotating the snap-in tab 511 snap-in tab 511along alongthe theinclined inclinedsurface surfaceofofthetheratchet ratchetwheel wheel projection projection 522522 to to misalign with misalign withthe the positioning positioning groove groove1515and and be be located located below below the the adjacent adjacent tooth tooth groove groove 142 142 in in pairs, the pairs, the snap-in snap-in tab tab 511 511 moves upward moves upward andand fitsagainst fits againsta aside sidesurface surfaceofofthe thetooth toothgroove groove142 142 under the under the action action of of the the reset reset member member 53,53, andand rotates rotates again again along along the the sideside surface surface to atohighest a highest 25 25 position of the tooth groove 142. In this case, the pen tip 31 extends out of the access 12, and the position of the tooth groove 142. In this case, the pen tip 31 extends out of the access 12, and the

snap-in tab snap-in tab 511 movesaway 511 moves away from from the the current current ratchet ratchet wheel wheel projection projection 522 522 and and further further to atonext a next ratchet wheel ratchet projection 522. wheel projection 522.Then, Then,ininthe thesame same manner, manner, when when the driving the driving member member 4 is driven 4 is driven

downward, downward, theratchet the ratchetwheel wheelprojection projection522522 on on thethe ratchetwheel ratchet wheel member member 52 acts 52 acts on snap-in on the the snap-in tab 511, tab 511, SO so that that the the snap-in snap-intab tab511 511moves moves downward downward out of out the of thegroove tooth tooth 142, groove and 142, the and the 30 30 snap-in tab 511 contacts the middle of an inclined surface of the ratchet wheel projection 522, so snap-in tab 511 contacts the middle of an inclined surface of the ratchet wheel projection 522, SO

that after that after the the circumferential circumferential limit limit of of the the tooth tooth groove 142isis lost, groove 142 lost, the the snap-in tab 511 snap-in tab 511rotates rotates along the along the inclined inclined surface surface of of the the ratchet ratchet wheel projection 522 wheel projection to misalign 522 to misalign with withthe the tooth tooth groove groove 142 and be 142 and be located located below belowananinclined inclinedsurface surfaceofof the the ratchet ratchet 141 awayfrom 141 away fromthe thetooth toothgroove groove142, 142, therefore, after therefore, after the the driving driving member member 4 4 isisreleased, released,the thesnap-in snap-intabtab511511 moves moves upward upward and and fits fits 35 35 against the against the inclined inclined surface surface of of the the ratchet ratchet141 141 away fromthe away from thetooth toothgroove groove142 142 under under thethe action action

6 of the of the reset reset member 53,and member 53, androtates rotatesagain againalong alongthe theinclined inclinedsurface surfacetotoslide slide upward upwardinto intoa anext next 14 Mar 2024 positioning groove positioning groove1515to to a high a high position, position, and and in this in this case, case, the tip the pen pen31tipretracts 31 retracts into into the the mounting cavity mounting cavity 11, 11, and and the the snap-in snap-in tab tab 511 511 moves movesaway away from from thethe currentratchet current ratchetwheel wheel projection 522 and further to the next ratchet wheel projection 522. projection 522 and further to the next ratchet wheel projection 522.

5 5 [0040]

[0040] Preferably, the Preferably, the side side of of the the driven driven portion portion 41 41 away fromthe away from thepenholder penholder 1 inthethepresent 1 in present embodiment embodiment is is provided provided withwith a force-bearing a force-bearing surface surface 43, and43, theand the force-bearing force-bearing surface surface 43 43 comprisesaavertical comprises vertical surface surface 431 431 and an extension and an extension surface surface 432 432which whichare areconnected connectedtoto eachother, each other, the vertical the vertical surface surface 431 431 and the extension and the extension surface surface 432 432can canbebea aplane planesurface surfaceororananarcarcsurface, surface, 2024201695

the vertical the vertical surface surface 431 extends along 431 extends alongaavertical vertical direction, direction, the the extension surface 432 extension surface 432isis located located 10 10 belowthe below thevertical vertical surface surface 431, 431, and and the the extension extension surface surface 432 gradually moves 432 gradually moveshorizontally horizontallyaway away from the from thepenholder penholder 1 in 1 in a vertical a vertical downward downward direction; direction; and a and a convex convex barconvexly bar 433 is 433 is convexly providedon provided onthe the extension extensionsurface surface 432. 432.

[0041] Therefore,

[0041] Therefore, thethe verticalsurface vertical surface431 431isisarranged arrangedtotoextend extendvertically verticallycorresponding correspondingtotothe the length direction of the penholder 1 to ensure that the driving member 4 is closer to the penholder length direction of the penholder 1 to ensure that the driving member 4 is closer to the penholder

15 15 11 while while ensuring ensuringa alarge largeenough enough acting acting surface, surface, so that SO that the driving the driving member member 4 easily 4 is not is not easily affected by affected by aa vertical vertical force, force, causing causingthe thepen pentiptip3131to toextend extend or or retract retract by by mistake; mistake; and and the the extension surface 432 is arranged so that when a finger is pressed against the vertical surface 431 extension surface 432 is arranged SO that when a finger is pressed against the vertical surface 431

and the and the driving driving member member 4 controlled 4 is is controlled to face to face downward, downward, the finger the finger can becan be better better prevented prevented

from slipping from slippingand andthethedriving drivingcancan be be performed performed more more easily, easily, andtabthe433tabis 433 and the is arranged arranged to to 20 20 further increase a frictional force on the extension surface 432 to improve driving smoothness. further increase a frictional force on the extension surface 432 to improve driving smoothness.

[0042] In In

[0042] addition,thetheupper addition, upper endend of of thethe penholder penholder 1 in1 the in the present present embodiment embodiment is detachably is detachably

provided with a split portion 6, and the erasing block 2 is arranged on the split portion 6, the split provided with a split portion 6, and the erasing block 2 is arranged on the split portion 6, the split

portion 6 is configured to be detached from the penholder 1 to open the sidewall notch 13, so that portion 6 is configured to be detached from the penholder 1 to open the sidewall notch 13, SO that

the sidewall the sidewall notch notch1313isisopened openedby by detaching detaching the the split split portion portion 6, that 6, SO so that the the driver driver 4 can 4 can be be 25 25 disassembledandand disassembled assembled, assembled, and after and after the assembly the assembly is completed, is completed, the split the split6 portion portion is 6 is assembledtotoensure assembled ensurea astable stablefit fit between betweenthethedriving drivingmember member 4 the 4 and and sidewall the sidewall notchnotch 13 and13 and prevent the prevent the driving driving member member 4 4from from coming coming out. out.

[0043] Specifically,

[0043] Specifically,ananupper upper endend of the of the mounting mounting cavity cavity 11 is11 is arranged arranged to have to have an opening, an opening,

and the split portion 6 is inserted into the penholder 1 for snap-fit and fixing. and the split portion 6 is inserted into the penholder 1 for snap-fit and fixing.

30 30 [0044] Furthermore,

[0044] Furthermore,the the sidewall sidewall notch notch 13 13 inin the the present present embodiment embodimentcomprises comprisesa alower lower segmentbody segment body131131 provided provided on on the the penholder penholder 1 and 1 and an upper an upper segment segment body body 132 132 provided provided on the on the split portion 6, so that the circumferential limiting of the penholder 1 and the split portion can be split portion 6, SO that the circumferential limiting of the penholder 1 and the split portion can be

performedbybysimultaneously performed simultaneously placing placing thethe driving driving member member 4 in 4the in lower the lower segment segment body body 131 and131 and the upper the segmentbody upper segment body 132, 132, thereby thereby preventing preventing deflection deflection of of thethe erasing erasing block block 2 when 2 when erasing erasing

35 35 the written content due to circumferential rotation of the split portion relative to the penholder 1 the written content due to circumferential rotation of the split portion relative to the penholder 1

7 which can affect the erasing effect. which can affect the erasing effect. 14 Mar 2024

[0045] Furthermore,

[0045] Furthermore, in present in the the present embodiment, embodiment, a pen a pen clip 7 isclip 7 is provided provided (e.g., integrally (e.g., integrally

formed)ononananouter formed) outer circumference circumference of the of the split split portion portion 6, and 6, and the clip the pen pen 7clip and7the anddriven the driven portion 41 are arranged adjacent to each other, so that the protruding pen clip 7 is located on an portion 41 are arranged adjacent to each other, SO that the protruding pen clip 7 is located on an

5 5 adjacent side adjacent side of of the the driven driven portion portion 41 and blocks 41 and blocksthe thespace spaceofofthe thedriven drivenportion portion4141ononthe theside side near the near the pen penclip clip 77 toto aa certain certain extent extent without withouthindering hinderingthethedriven driven portion portion 41 41 from from slipping, slipping,

thereby reducing the probability of touching the driven portion 41 by mistake. thereby reducing the probability of touching the driven portion 41 by mistake.

[0046] Moreover,

[0046] Moreover, in the in the present present embodiment, embodiment, the erasing the erasing block block 2 is provided 2 is provided at a end at a lower lower end 2024201695

thereof with thereof with an aninsertion insertion portion portion 21, 21,the thesplit split portion portion 66 is is provided providedwith withananinsertion insertionhole hole6161 10 10 correspondingtotothetheinsertion corresponding insertionportion portion 21,21, andand the the insertion insertion portion portion 21 is21 is inserted inserted into into the the insertion hole 61 to allow the erasing block 2 and the split portion 6 to be mounted each other. insertion hole 61 to allow the erasing block 2 and the split portion 6 to be mounted each other.

[0047] In In

[0047] addition, addition, 2 limitingsnap-in 2 limiting snap-in slots2222areareprovided slots provided on on an outer an outer circumference circumference of of the the insertion portion insertion 21, 22 limiting portion 21, limiting snap-in snap-inblocks blocks62 62 areare correspondingly correspondingly provided provided on an on an inner inner circumferential wall circumferential wall of of the the insertion insertion hole 61, and hole 61, and the the limiting limiting snap-in snap-in slots slots 22 and the 22 and the limiting limiting 15 15 snap-in blocks 62 are fitted to each other to limit circumferential rotation of the erasing block 2 snap-in blocks 62 are fitted to each other to limit circumferential rotation of the erasing block 2

relative to the split portion 6 to further limit the circumferential rotation of the erasing block 2 relative to the split portion 6 to further limit the circumferential rotation of the erasing block 2

relative to the insertion portion 21, thereby further improving stability of the erasing block 2 to relative to the insertion portion 21, thereby further improving stability of the erasing block 2 to

further optimize the erasing effect. further optimize the erasing effect.

[0048] Moreover,

[0048] Moreover, an outer an outer circumference circumference of a end of a lower lower of end of the insertion the insertion portion portion 21 21 in the in the 20 20 present embodiment present embodiment is is integrallyprovided integrally providedwith witha aplurality plurality of of hook hookportions portions23, 23,each eachofofthe the hook hook portions 23 is located at an end of the insertion hole 61 away from the erasing block 2 to restrict portions 23 is located at an end of the insertion hole 61 away from the erasing block 2 to restrict

upwardmovement upward movement of the of the erasing erasing block block 2, thereby 2, thereby improving improving the stability the stability of the of the erasing erasing block block 2 2 mounted to the split portion 6 to improve the erasing effect. mounted to the split portion 6 to improve the erasing effect.

[0049] InInaddition,

[0049] addition, the the lower lower end endofofthe theerasing erasing block block 22ininthe thepresent present embodiment embodimentis is 25 25 symmetrically provided with a rotation stop surface 24, the rotation stop surface 24 is preferably symmetrically provided with a rotation stop surface 24, the rotation stop surface 24 is preferably

an arc an arc surface, surface, each eachofofthe therotation rotationstop stopsurfaces surfaces2424isisvertically verticallyinclined inclineddownward downward along along a a horizontal direction horizontal direction away awayfrom from each each other, other, andand the the split split portion portion 6 provided 6 is is provided withwith a mating a mating

surface 63 surface 63 for foradapting adaptingtotoeach each of of thethe rotation rotation stop stop surfaces surfaces 24, 24, so that SO that the circumferential the circumferential

rotation of rotation of the the erasing erasingblock block2 relative 2 relative to to thethe split split portion portion 6 is6 further is further limited limited underunder the the 30 30 interaction of interaction of the the rotation rotationstop stopsurface surface24 24 and and the the mating surface 63, mating surface 63, thereby thereby further further improving improving the stability of the erasing block 2 to optimize the erasing effect. the stability of the erasing block 2 to optimize the erasing effect.

Embodiment 2: Embodiment 2:

[0050] A sidewall

[0050] A sidewall sliding sliding ballpointpenpen ballpoint with with an an erasing erasing block, block, has has a a main main structurethethesame structure same as as

that of that of Embodiment Embodiment 1,1,except exceptthat thatthe the penholder penholder11isis integrally integrally formed with the formed with the penholder penholder7. 7.

8

Claims (6)

1. Claims 08 Jan 2026

   WHAT IS CLAIMED IS: 1. A sidewall sliding ballpoint pen with an erasing block, comprising: a penholder, wherein a mounting cavity is provided in the penholder, a lower end of the penholder is provided with an access communicating with the mounting cavity, a sidewall of the penholder is provided with a sidewall notch communicating with the mounting cavity, and the sidewall notch extends along a length direction of the penholder; 2024201695

   a split portion detachably provided on an upper end of the penholder; an erasing block provided on the split portion; a refill slidably mounted in the penholder, wherein a pen tip is provided at a lower end of the refill, the refill is configured to accommodate temperature sensitive ink, and the erasing block is configured to erase content written with the temperature sensitive ink; a driving member, wherein the driving member is slidably mounted on the sidewall notch, a driven portion is provided outside the sidewall of the penholder, and the driving member is provided with a driving portion located in the mounting cavity; and a refill control assembly provided within the mounting cavity, wherein the refill control assembly is configured to be driven by the driving portion to control the pen tip to extend out of the access or retract into the mounting cavity; and a pen clip provided on an outer circumference of the split portion, wherein the pen clip and the driven portion are arranged adjacent to each other; wherein the erasing block is provided with an insertion portion, the split portion is provided with an insertion hole corresponding to the insertion portion, a limiting snap-in slot is provided on an outer circumference of the insertion portion, a limiting snap-in block is provided on an inner circumferential wall of the insertion hole, and the limiting snap-in slot and the limiting snap-in block are fitted to each other to limit circumferential rotation of the erasing block relative to the split portion; and wherein the split portion opens the sidewall notch after being detached from the penholder to dismount the driving member.
2. 2. The sidewall sliding ballpoint pen with an erasing block according to claim 1, wherein: a plurality of positioning ratchet wheels arranged at intervals along a circumferential direction and positioning grooves located between adjacent positioning ratchet wheels are provided on an inner circumferential wall of the mounting cavity; the refill control assembly comprises: a rotating member, wherein at least one snap-in tab is provided on the rotating member for snap-fitting to the positioning ratchet wheel or the positioning groove; 08 Jan 2026 a ratchet wheel member, wherein the ratchet wheel member is slidably mounted in the mounting cavity, the ratchet wheel member is configured to slide downward under the action of the driving portion, a plurality of ratchet wheel projections are provided on the ratchet wheel member in a circumferential direction, and the ratchet wheel projections are configured to drive the snap-in tab to rotate in the circumferential direction; and a reset member configured to reset the refill upward; and 2024201695 wherein when the snap-in tab is snap-fitted to the positioning ratchet wheel, the pen tip extends out of the access, and when the snap-in tab is snap-fitted to the positioning groove, the pen tip retracts into the mounting cavity.
3. 3. The sidewall sliding ballpoint pen with an erasing block according to claim 1, wherein: a force-bearing surface is provided on a side of the driven portion away from the penholder, the force-bearing surface comprises a vertical surface and an extension surface which are connected to each other, the vertical surface extends along a vertical direction, the extension surface is located below the vertical surface, the extension surface gradually moves horizontally away from the penholder in a vertical downward direction, and a convex bar is convexly provided on the extension surface.
4. 4. The sidewall sliding ballpoint pen with an erasing block according to claim 3, wherein: the sidewall notch comprises a lower segment body provided on the penholder and an upper segment body provided on the split portion.
5. 5. The sidewall sliding ballpoint pen with an erasing block according to claim 4, wherein: a hook portion is provided on the outer circumference of the insertion portion, and the hook portion is located at an end of the insertion hole away from the erasing block to restrict upward movement of the erasing block.
6. 6. The sidewall sliding ballpoint pen with an erasing block according to claim 5, wherein: a lower end of the erasing block is symmetrically provided with rotation stop surfaces, each of the rotation stop surfaces is vertically inclined downward along a horizontal direction away from each other, and a mating surface is provided on the split portion for adapting to each of the rotation stop surfaces.