CN105946396B - A kind of rotary and telescopic automatic sharpening lead pencil - Google Patents
A kind of rotary and telescopic automatic sharpening lead pencil Download PDFInfo
- Publication number
- CN105946396B CN105946396B CN201610402136.4A CN201610402136A CN105946396B CN 105946396 B CN105946396 B CN 105946396B CN 201610402136 A CN201610402136 A CN 201610402136A CN 105946396 B CN105946396 B CN 105946396B
- Authority
- CN
- China
- Prior art keywords
- lead
- penholder
- retractable pencil
- rotary
- cut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/16—Writing-core feeding mechanisms with stepwise feed of writing-cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K21/00—Propelling pencils
- B43K21/02—Writing-core feeding mechanisms
- B43K21/22—Writing-cores gripping means, e.g. chucks
-
- 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
- B43K24/06—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions operated by turning means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
- B43K29/06—Combinations of writing implements with other articles with sharpening devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/004—Sharpeners for pencils or leads with radial cutting blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L23/00—Sharpeners for pencils or leads
- B43L23/06—Sharpeners for pencils or leads in which the pencils or leads are sharpened by only axial movement against cutting blades
Landscapes
- Drawing Aids And Blackboards (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
The invention provides a kind of rotary and telescopic automatic sharpening lead pencil, at least include the rotary components being linked in sequence from top to bottom, lead for retractable pencil clamp assemblies and nib are covered, it is provided with nib lid and cuts lead component, the lead component of cutting includes cutting plumbery and propelling sleeve, propelling sleeve, which is placed on, to be cut on plumbery and coordinates with cutting plumbery gap, cut plumbery knib piece is cut by flange fixed disk and two and constitute, flange fixed disk is fixed in the fixing groove opened up on written interior surface, knib piece is cut by linkage section, blade section and cambered surface lug boss are constituted, blade section is half-cone section of jurisdiction, blade is located on the straight line side of half-cone section of jurisdiction, boss is on the outer surface of the small head end of blade section, propelling sleeve is placed in two blade sections for cutting knib piece and above cambered surface lug boss, the inner surface of propelling sleeve lower end and the lower surface arc transition of straight tube；The convert rotational motion of lead for retractable pencil is two functions of the feeding of lead for retractable pencil and cutting by the present invention, is more facilitated during use, more efficiently.
Description
Technical field
The present invention relates to a kind of propelling pencil, and in particular to a kind of rotary and telescopic automatic sharpening lead pencil, belongs to stationery skill
Art field.
Background technology
Existing propelling pencil can be divided into rotary and push type, and wherein rotary structure is complicated, also pole when changing lead for retractable pencil
For inconvenience.The afterbody of part pressing type propelling pencil is easily lost although with simple core device, but its small volume, Er Qiezhuan
Need to take out from afterbody during lead for retractable pencil, it is cumbersome, and the lead for retractable pencil head produced is very short and not sharp enough, it is impossible to reach common pencil sharpener
Effect.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, and provide a kind of rotary and telescopic automatic sharpening lead pencil,
With reference to the rotary extension of lead for retractable pencil, lead for retractable pencil easily can be passed in and out, lead is cut while can be realized during being rotationally advancing
Effect.
Realize technical scheme that the object of the invention used for a kind of rotary and telescopic automatic sharpening lead pencil at least includes
It is described to cut lead provided with lead component is cut in rotary components, lead for retractable pencil clamp assemblies and the nib lid being linked in sequence from top to bottom, nib lid
Component includes cutting plumbery and propelling sleeve, and propelling sleeve, which is placed on, to be cut on plumbery and coordinate with cutting plumbery gap, cuts plumbery in
Flange fixed disk of the heart provided with lead for retractable pencil hole and be connected with flange fixed disk two cut knib piece and constituted, and flange fixed disk fixes
In the fixing groove opened up on written interior surface, the knib piece of cutting is made up of linkage section, blade section and cambered surface lug boss, and two
Individual to cut that knib piece is symmetrically distributed in the outside in lead for retractable pencil hole and its linkage section and flange fixed disk are connected, the blade section is half cone
Shape section of jurisdiction, blade is located on the straight line side of half-cone section of jurisdiction, and boss promotes set on the outer surface of the small head end of blade section
Jacket casing is in two blade sections for cutting knib piece and above cambered surface lug boss, and the propelling sleeve includes straight tube and cunning
Block, sliding block is located on the outer surface of straight tube upper end, the inner surface of straight tube lower end and the lower surface arc transition of straight tube, the nib
The slideway for offering match with sliding block vertically is covered, sliding block is located in slideway.
The slideway is L-shaped or spiral line type diagonally downward.
The rotary components turn penholder, rotation twin shaft and placket including tail, and rotation twin shaft turns in penholder positioned at tail, and rotation is double
The upper end of axle turns connected penholder, lower end and placket with tail and is connected.
Tail turns penholder, rotation twin shaft and placket and is fixed with one.
The lead for retractable pencil clamp assemblies determine penholder, lead for retractable pencil grip block, spring, clamping outer barrel and cored inner cylinder before including, preceding fixed
The top of penholder is located at that tail turns to be slidably connected in penholder and with lead for retractable pencil grip block, middle part and tail turn the lower end activity of penholder even
Connect, bottom is threadedly coupled with nib lid, it is symmetrical in lead for retractable pencil grip block to offer two axial passages, two axles point of rotation twin shaft
It Wei Yu not coordinate in two axial passages and with axial passage gap, the top of cored inner cylinder and the lower surface of lead for retractable pencil grip block
It is connected, bottom offers two symmetrical flutings vertically, spring and clamping outer barrel are sequentially placed in cored from top to bottom
On cylinder and the top of placket is respectively positioned on, clamps outer barrel and be interference fitted with cored inner cylinder, the interior barrel dliameter of placket, which is less than, clamps outer barrel
Outer cylinder diameter and more than cored inner cylinder outer cylinder diameter.
Determine to offer spiral chute on the inner surface of penholder before described, the side of lead for retractable pencil grip block is provided with and spiral chute
The spiral slip teeth matched, spiral slip teeth is embedded in spiral chute.
Spiral chute is offered on the side of the lead for retractable pencil grip block, the preceding inner surface for determining penholder is provided with and spiral chute
The spiral slip teeth matched, spiral slip teeth is embedded in spiral chute.
The preceding middle part for determining penholder is provided with annular nib, and tail turns to offer on the inner surface of penholder lower end and annular nib phase
The annular groove matched somebody with somebody, annular nib is embedded in annular groove.
The nib, which is covered, offers hollow hole.
As shown from the above technical solution, the rotary and telescopic automatic sharpening lead pencil that the present invention is provided, generally by three parts
Constitute：Rotary components, lead for retractable pencil holder component and lead component is cut, the effect of the rotation twin shaft in rotary components is to drive lead for retractable pencil folder
Block is held so as to drive lead for retractable pencil rotary extension to move, and the effect for the placket being connected with rotation twin shaft is to withstand folder when changing lead for retractable pencil
Tight outer barrel, and cored inner cylinder is opened with both sides fluting；Closing sleeve in lead for retractable pencil holder component is outside in order to clamp
The cored inner cylinder of trend is opened, and the effect of spring is mainly lead for retractable pencil grip block when being moved backward counterclockwise because tail turns penholder,
The elastic force for making closing sleeve recover clamping action is provided；Cut and sliding block is set on the propelling sleeve in lead component, facilitate finger to carry out
Promote, promote sliding block that propelling sleeve can be driven to be moved to pen head part so that core device generation elastic deformation, is presented what is closed up
State, is further continued for rotation tail and turns penholder, so as to carry out cutting lead.
Installed in the nib lid of existing propelling pencil and cut lead component, so as to cut lead for retractable pencil, cut lead component bag
Include and cut plumbery and propelling sleeve, cut plumbery is provided with the flange fixed disk in lead for retractable pencil hole by center and is connected with flange fixed disk two
Individual to cut knib piece composition, flange fixed disk is connected with nib lid, and knib piece is cut in support two, cuts lead vane body in half-cone pipe
Sheet, cuts knib piece closure for two and constitutes whole conical tube, propelling sleeve, which is placed on, to be cut on knib piece, and knib piece is cut in control two
Closure or openness, cut knib piece and be made up of linkage section, blade section and cambered surface lug boss, cambered surface boss is in cutting knib piece
Lower end, the inner surface of the lower end of propelling sleeve and the lower surface arc transition of straight tube, when propelling sleeve is descending, its arc transition
Face, which is in contact with cambered surface lug boss and progressively compresses two, cuts knib piece so that two are cut knib piece closure, due to blade position
It can carry out cutting lead on the straight line side of half-cone section of jurisdiction, now rotating lead for retractable pencil, the sliding block by propelling sleeve upper end is controllable
The direction of motion of propelling sleeve processed, and then two closure or openness for cutting knib piece are controlled, the lead for retractable pencil powder of cutting passes through nib
The hollow hole discharge covered.
Rotary and telescopic automatic sharpening lead pencil that the present invention is provided, lead for retractable pencil is fed through rotary components and lead for retractable pencil clamping group
Part, which coordinates, to be completed, and rotary components turn penholder, rotation twin shaft and placket by the tail being fixed with one and constituted, and tail turns penholder and pressed from both sides with lead for retractable pencil
Hold the preceding of component to determine penholder and be connected with the revolute pair that annular groove is constituted by annular nib, realize relative turn, wherein tail turns
Penholder is tumbler, preceding to determine penholder be fixture, lead for retractable pencil grip block and and lead for retractable pencil of the rotation twin shaft through lead for retractable pencil clamp assemblies
Grip block is slidably connected so that lead for retractable pencil grip block and whole rotary components common rotation, and lead for retractable pencil grip block is determined penholder and passed through with preceding
The revolute pair being made up of spiral slip teeth with spiral chute is connected, preceding to determine penholder for fixture transfixion, when rotating rotary components
Lead for retractable pencil grip block is servo-actuated and rises or rotates along rotation dual-axis rotation in the case of spiral slip teeth and spiral chute interaction
Decline, rotation twin shaft make it that the motion that rises or falls of lead for retractable pencil grip block is tracked movement, improves the mobile essence of lead for retractable pencil grip block
Degree；The top of cored inner cylinder is connected with the lower surface of lead for retractable pencil grip block, when the rotation of lead for retractable pencil grip block declines fashionable dress in-core cylinder simultaneously
Decline, due to placket interior barrel dliameter be less than clamp outer barrel outer cylinder diameter and more than cored inner cylinder outer cylinder diameter, clamp outer barrel by
Hinder motionless, cored inner cylinder to stretch out through placket, due to disappearing from the clamping force for clamping outer barrel suffered by its lower end, cored inner cylinder
Bottom opened at fluting, entering dress or changing for lead for retractable pencil, because lead for retractable pencil clamp assemblies include spring, lead for retractable pencil clamping can be carried out
When block rotation rises, spring effect is on the lead for retractable pencil grip block at its two ends and clamping outer barrel, and the withdrawal of cored inner cylinder is simultaneously pressed from both sides
Tight outer barrel is clamped.
Compared with prior art, the advantage for the rotary and telescopic automatic sharpening lead pencil that the present invention is provided is as follows：
(1) internal set cuts lead component, with reference to the rotary extension of lead for retractable pencil, easily can either pass in and out lead for retractable pencil, additionally it is possible to
The effect for cutting lead is realized during being rotationally advancing, is two work(of the feeding of lead for retractable pencil and cutting by the convert rotational motion of lead for retractable pencil
Can, cut lead component, three kinds of structures of rotary components and lead for retractable pencil clamp assemblies and be combined as a whole so that during the pencil use more
It is convenient, more efficiently.
(2) what the present invention was provided is cut in lead component, and the tapered tubular blade of existing pencil sharpener is revised as into two symmetrical point
The structure for cutting knib piece of cloth, cuts knib piece for two and is respectively 1/2 conical pipe, two are cut knib piece with two blades, will be cut
Lead component is cut lead efficiency and doubled, and this split-type structure can coordinate propelling sleeve to form retractable structure so that no
Lead component opening is cut when needing to cut lead, the movement of lead for retractable pencil is not interfered with.
(3) turning penholder by rotating tail just can easily stretch lead for retractable pencil, and lead for retractable pencil holder can be by lead for retractable pencil tail end securely
Clamp, lead for retractable pencil produces relative rotation with holder when preventing from cutting lead.
Brief description of the drawings
The structural representation for the rotary and telescopic automatic sharpening lead pencil that Fig. 1 provides for the present invention.
Fig. 2 is the closure state figure of lead for retractable pencil clamp assemblies internal structure.
Fig. 3 is the opening figure of lead for retractable pencil clamp assemblies internal structure.
Fig. 4 is the closure state figure for cutting lead component internal structure.
Fig. 5 is the opening figure for cutting lead component internal structure.
Fig. 6 is the structural representation for cutting plumbery.
The structural representation that Fig. 7 covers for nib.
The top view that Fig. 8 covers for nib.
Wherein, 1- tails determine penholder, 4- before turning penholder, 2- lead for retractable pencil grip blocks, 21- spiral slip teeth, 22- axial passages, 3-
Skull, 41- fixing grooves, 42- slideways, 43- hollow holes, 5- spiral chutes, 6- rotation twin shafts, 7- plackets, 8- springs, 9- clamps outer
Cylinder, 10- cored inner cylinders, 100- flutings, 11- cuts plumbery, and 110- lead for retractable pencils hole, 111- flange fixed disks, 112- cuts knib piece,
1121- linkage sections, 1122- blade sections, 1123- cambered surface lug bosses, 113- blades, 12- propelling sleeves, 121- sliding blocks, 122- is straight
Cylinder, 13- annular grooves, 14- annular nibs, 15- lead for retractable pencils.
Embodiment
The present invention is illustrated in detail with reference to the accompanying drawings and examples, present disclosure is not limited to following
Embodiment.
The rotary and telescopic automatic sharpening lead pencil that the present invention is provided, its structure as shown in figure 1, including sequentially connecting from top to bottom
Provided with lead component is cut in rotary components, lead for retractable pencil clamp assemblies and the written lid 4 connect, nib lid, as shown in Figure 7 and Figure 8, nib lid
Offered vertically on 4 and offer hollow hole 43 on the slideway 42 of the L-shaped matched with sliding block, written lid 4；
The rotary components turn penholder 1, rotation twin shaft 6 and placket 7 including tail, rotation twin shaft 6 turns in penholder positioned at tail, on
End turns connected penholder, lower end and placket with tail and is connected, and tail turns penholder 1, rotation twin shaft 6 and placket 7 and is fixed with one；
The lead for retractable pencil clamp assemblies determine penholder 3, lead for retractable pencil grip block 2, spring 8, clamping outer barrel 9 and cored inner cylinder before including
10, spiral chute 5, middle part are offered on the preceding inner surface for determining penholder 3 and is provided with annular nib 14, the side of lead for retractable pencil grip block 2
Provided with the spiral slip teeth 21 matched with spiral chute, spiral slip teeth 21 is embedded in spiral chute 5, and tail turns the interior of the lower end of penholder 1
The annular groove 13 matched with annular nib is offered on surface, annular nib 14 is embedded in annular groove 13, preceding to determine penholder 3
Top be located at the sliding pair that tail turns in penholder 1 and be made up of with lead for retractable pencil grip block spiral slip teeth 21 and spiral chute and connect
Connect, middle part and tail turn penholder lower end be connected by annular nib 14 with the sliding pair that annular groove 13 is constituted, bottom and nib
Lid 4 is threadedly coupled, referring to Fig. 2 and Fig. 3, symmetrical in lead for retractable pencil grip block to offer two axial passages 22, two of rotation twin shaft 6
Axle is located in two axial passages 22 and coordinated with axial passage gap, top and the lead for retractable pencil grip block of cored inner cylinder 10 respectively
2 lower surface is connected, bottom offers two symmetrical flutings 100 vertically, and spring 8 and clamping outer barrel 9 are from top to bottom
Order is placed on cored inner cylinder 10 and is respectively positioned on the top of placket 7, clamps outer barrel and is interference fitted with cored inner cylinder, placket 7
Interior barrel dliameter is less than the outer cylinder diameter for clamping outer barrel 9 and is more than the outer cylinder diameter of cored inner cylinder 10；
The lead component of cutting includes cutting plumbery 11 and propelling sleeve 12, and propelling sleeve, which is placed on, to be cut on plumbery and with cutting plumbery
Gap coordinates, referring to Fig. 4 and Fig. 5, cuts plumbery 11 and consolidates by flange fixed disk 111 of the center provided with lead for retractable pencil hole 110 and with flange
Be connected two of price fixing cut knib piece 112 and constituted, and flange fixed disk 111 is fixed on the fixing groove opened up on the written inner surface of lid 4
In 41 (as shown in Figure 7), referring to Fig. 6, the knib piece 112 of cutting is by linkage section 1121, blade section 1122 and cambered surface lug boss
1123 are constituted, and two are cut outside and its linkage section 1121 and the flange fixed disk 111 that knib piece is symmetrically distributed in lead for retractable pencil hole 110
It is connected, the blade section 1122 is half-cone section of jurisdiction, blade 113 is located on the straight line side of half-cone section of jurisdiction, lug boss 1123
On the outer surface of the small head end of blade section, propelling sleeve 12 is placed in two blade sections 1122 for cutting knib piece 112 and position
In the top of cambered surface lug boss 1123, the propelling sleeve 12 includes straight tube 122 and sliding block 121, and sliding block 121 is located at straight tube upper end
On outer surface, the inner surface of the lower end of straight tube 122 and the lower surface arc transition of straight tube, sliding block 121 are located in slideway 42.
It is the preferred embodiments of the present invention above, in actual use, spiral chute can be also opened in lead for retractable pencil grip block
On side, the preceding inner surface for determining penholder is provided with the spiral slip teeth matched with spiral chute, and remaining structure keeps constant, still may be used
The purpose of the present invention is realized, similarly, slideway can select spiral line type diagonally downward, and remaining structure keeps constant, herein no longer
Repeat.
Operating method referring to Fig. 1 to Fig. 8, above-described embodiment rotary and telescopic automatic sharpening lead pencil provided is as follows：
Tail is turned into penholder 1 to turn clockwise on earth, now the clamping outer barrel 9 of lead for retractable pencil grip block 2 is withstood on placket 7, due to
The interior barrel dliameter of placket 7 is less than the outer cylinder diameter for clamping outer barrel 9 and is more than the outer cylinder diameter of cored inner cylinder 10, so the meeting of cored inner cylinder 10
Move forward, therefore the spring 8 at middle part can compress, due to without the clamping effect for clamping outer barrel 9, the meeting of cored inner cylinder 10
Opened with the opening of both sides, as shown in figure 3, lead for retractable pencil 15 is put in into cored inner cylinder 10 from written mouth again, then that tail is turned into penholder 1 is inverse
Hour hands rotate, and lead core gripper can be driven to be moved to the opposite direction of nib, and make clamping outer barrel 9 to nib from the elastic force of spring 8
Direction is moved, so as to clamp lead for retractable pencil 15, suitable length is reached as shown in Fig. 2 continuing rotate counterclockwise tail and turning penholder 1 to lead for retractable pencil head
Degree；
When nib write it is flat need progress to cut when, tail is first turned into the rotate counterclockwise of penholder 1, core device 11 is stretched into lead for retractable pencil head
Inside, then the sliding block 121 connected on propelling sleeve 12 is slid into the bottom of chute 42 of L-shaped to written direction, then slide to L-shaped
The right notch of chute 42 is locked, during drive propelling sleeve 12 to written end motion so that core device from sliding block 121
11 close up tapered, as shown in figure 4, then rotating clockwise tail turns penholder 1, when lead for retractable pencil 15 also rotates with advance and core device
It can be carried out cutting lead during 11 contact；
Cut after lead terminates, sliding block 121 slid back into home position along chute 42, now propelling sleeve 12 is moved backward therewith,
No longer extruded core device 11 will be returned to open configuration due to its own resilient, as shown in figure 5, being further continued for turning clockwise
Tail turns penholder 1, lead for retractable pencil is retractable to appropriate length to outside written mouth, you can be operated.
Claims (7)
1. a kind of rotary and telescopic automatic sharpening lead pencil, at least rotary components, lead for retractable pencil including being linked in sequence from top to bottom are clamped
Component and nib are covered, it is characterised in that：Provided with lead component is cut in nib lid, the lead component of cutting includes cutting plumbery and promoting covering
Cylinder, propelling sleeve, which is placed on, to be cut on plumbery and coordinates with cutting plumbery gap, is cut plumbery and is fixed by flange of the center provided with lead for retractable pencil hole
Disk and be connected with flange fixed disk two cut knib piece and constituted, and flange fixed disk is fixed on what is opened up on written interior surface
In fixing groove, the knib piece of cutting is made up of linkage section, blade section and cambered surface lug boss, is cut knib piece for two and is symmetrically distributed in lead
The outside of core bore and its linkage section are connected with flange fixed disk, and the blade section is half-cone section of jurisdiction, and blade is located at half-cone
On the straight line side of section of jurisdiction, boss is on the outer surface of the small head end of blade section, and propelling sleeve is placed on two and cuts knib piece
In blade section and above cambered surface lug boss, the propelling sleeve includes straight tube and sliding block, and sliding block is located at straight tube upper end
On outer surface, the inner surface of straight tube lower end and the lower surface arc transition of straight tube, the nib is covered to be offered with sliding vertically
The slideway that block matches, sliding block is located in slideway；The rotary components turn penholder, rotation twin shaft and placket including tail, and rotation is double
Axle position turns in penholder in tail, and the upper end and tail for rotating twin shaft turn connected penholder, lower end and placket and be connected, the lead for retractable pencil clamp assemblies
Determine penholder, lead for retractable pencil grip block, spring, clamping outer barrel and cored inner cylinder including preceding, the preceding top for determining penholder turns in penholder positioned at tail
And it is slidably connected with lead for retractable pencil grip block, the lower end that middle part turns penholder with tail is flexibly connected, bottom is threadedly coupled with nib lid, lead
It is symmetrical in core grip block to offer two axial passages, rotate twin shaft two axles be located at respectively in two axial passages and with
Axial passage gap coordinates, and the top of cored inner cylinder is connected with the lower surface of lead for retractable pencil grip block, bottom offers two vertically
Symmetrical fluting, spring and clamping outer barrel are sequentially placed on cored inner cylinder and are respectively positioned on the top of placket from top to bottom,
Clamp outer barrel to be interference fitted with cored inner cylinder, the interior barrel dliameter of placket is less than the outer cylinder diameter of clamping outer barrel and more than cored inner cylinder
Outer cylinder diameter.
2. rotary and telescopic automatic sharpening lead pencil according to claim 1, it is characterised in that：The slideway is L-shaped or inclines
Spiral line type obliquely.
3. rotary and telescopic automatic sharpening lead pencil according to claim 1, it is characterised in that：Tail turns penholder, rotation twin shaft
It is fixed with one with placket.
4. rotary and telescopic automatic sharpening lead pencil according to claim 1, it is characterised in that：The interior table of penholder is determined before described
Spiral chute is offered on face, the side of lead for retractable pencil grip block is provided with the spiral slip teeth matched with spiral chute, spiral slip teeth
It is embedded in spiral chute.
5. rotary and telescopic automatic sharpening lead pencil according to claim 1, it is characterised in that：The side of the lead for retractable pencil grip block
Spiral chute is offered on face, the preceding inner surface for determining penholder is provided with the spiral slip teeth matched with spiral chute, spiral slip teeth
It is embedded in spiral chute.
6. rotary and telescopic automatic sharpening lead pencil according to claim 1, it is characterised in that：The preceding middle part for determining penholder is provided with
Annular nib, tail turns to offer the annular groove matched with annular nib on the inner surface of penholder lower end, and annular nib is embedded in
In annular groove.
7. rotary and telescopic automatic sharpening lead pencil according to claim 1, it is characterised in that：The nib, which is covered, to be offered
Hollow hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402136.4A CN105946396B (en) | 2016-06-06 | 2016-06-06 | A kind of rotary and telescopic automatic sharpening lead pencil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402136.4A CN105946396B (en) | 2016-06-06 | 2016-06-06 | A kind of rotary and telescopic automatic sharpening lead pencil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105946396A CN105946396A (en) | 2016-09-21 |
| CN105946396B true CN105946396B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402136.4A Expired - Fee Related CN105946396B (en) | 2016-06-06 | 2016-06-06 | A kind of rotary and telescopic automatic sharpening lead pencil |
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| CN201922712U (en) * | 2010-12-22 | 2011-08-10 | 庞险涛 | Automatic pencil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001039087A (en) * | 1999-08-02 | 2001-02-13 | Kokuyo Co Ltd | Mechanical pencil |
| KR20060085087A (en) * | 2005-01-21 | 2006-07-26 | 윤태진 | Pencil without sharpening |
| KR20110006303A (en) * | 2009-07-14 | 2011-01-20 | 신동철 | The pod the pencil which is not |
| KR20110014456A (en) * | 2009-08-05 | 2011-02-11 | 이승일 | The sharp ppaelsu simply to syapeusim |
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| US4334794A (en) * | 1980-08-11 | 1982-06-15 | Cal W. Hay | Self sharpening pencils |
| CN2247102Y (en) * | 1996-01-09 | 1997-02-12 | 廉吉林 | Multi-function pencil |
| CN2264679Y (en) * | 1996-05-28 | 1997-10-15 | 王智勇 | Propelling pencil capable of rotary sharpening lead |
| CN1240174A (en) * | 1997-06-08 | 2000-01-05 | 戴桢煌 | Automatic lead-sharpening pencil |
| CN2367467Y (en) * | 1999-03-19 | 2000-03-08 | 师清玉 | Automatic sharpening pencil |
| CN2365071Y (en) * | 1999-04-09 | 2000-02-23 | 姚俊求 | Rotary propelling pencil |
| CN201587227U (en) * | 2009-06-22 | 2010-09-22 | 毛新河 | Pulsative thick core movable pencil with pencil sharpener |
| CN201856511U (en) * | 2010-07-20 | 2011-06-08 | 邓小龙 | Mechanical pencil |
| CN201922712U (en) * | 2010-12-22 | 2011-08-10 | 庞险涛 | Automatic pencil |
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| CN105946396A (en) | 2016-09-21 |
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