CN102328539A - Pencil sharpener - Google Patents
Pencil sharpener Download PDFInfo
- Publication number
- CN102328539A CN102328539A CN201110270113XA CN201110270113A CN102328539A CN 102328539 A CN102328539 A CN 102328539A CN 201110270113X A CN201110270113X A CN 201110270113XA CN 201110270113 A CN201110270113 A CN 201110270113A CN 102328539 A CN102328539 A CN 102328539A
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- pencil
- sharpener
- main body
- operation handlebar
- gear
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Abstract
The present invention relates to a pencil sharpener comprising a main box, a transmission device arranged in the main box, a cutting assembly arranged on the main box, and a pen crumb box which is contained in the main box and can enter and leave freely, wherein the cutting assembly comprises a mounting base, an operating handle, a rotating body and a sharpener. The pencil sharpener is characterized in that: the cutting assembly also comprises a reduction device which can slow down the operating handle and transmit the operating handle to the rotating body. According to the pencil sharpener, by slowing down the operating handle through the reduction device and transmitting to the rotating body, the rotating body provided with the sharpener can rotate with a larger rotating force, thus even a child with poor strength also can cut the pencil simply. At the same time, large-scale operating handle can be restrained, thus the operating handle is difficult to be an obstructive.
Description
Technical field
The invention belongs to the pencil sharpener field, particularly a kind of pencil sharpener that operation handlebar is installed.
Background technology
Showed the manual pencil sharpener that operation handlebar is housed in the patent documentation 1 (spy opens flat 6-48094 communique).The rotating shaft that cutter is housed in this pencil sharpener is connected with the center of operation handlebar, makes operation handlebar rotation with hand, sharpens a pencil through the cutter that together rotates with rotating shaft.Yet,, when sharpening a pencil, need bigger strength just can make the operation handlebar rotation as rotating shaft that cutter is housed in the patent documentation 1 and the direct pencil sharpener that links of operation handlebar.Therefore, wait for the child that particularly strength is not enough, the operation of rotary manipulation handle can become burden.In addition,, can enough less strength make the operation handlebar rotation so if become big, elongated to operation handlebar the length of the pivot of operation handlebar to hand grip portion, but operation handlebar change becoming greatly obstruction this moment.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of when avoiding operation handlebar to maximize, even the not enough child of strength waits the pencil sharpener that also can sharpen a pencil simply.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of pencil sharpener; Comprise main body box, be installed on the conveyer in the main body box, the pen bits box that is installed on the cutting combination on the main body box and is incorporated in the main body box and frees in and out; The cutting combination comprises mount pad, operation handlebar, rotary body and sharpener; It is characterized in that: described cutting combination comprises that also deceleration device, this deceleration device make the operation handlebar deceleration and conduct to rotary body.
And the pivot of said operation handlebar is positioned at the top of the pivot of above-mentioned rotary body.
And said operation handlebar is around longitudinal axis rotation.
And described cutting combination is installed on the main body box with removably.
Advantage of the present invention and good effect are:
1. thereby this pencil sharpener makes the rotational delay of operation handlebar conduct to rotary body through deceleration device, and the rotary body that sharpener is housed can even the not enough child of strength waits also can be sharpened a pencil with bigger revolving force rotation simply.Simultaneously, suppressed the maximization of operation handlebar, operation handlebar will be difficult to become obstruction.
2. this pencil sharpener is arranged at the pivot of operation handlebar above the pivot of rotary body, thus, when pencil sharpener is positioned over a last time, can make from the desk top elongated to the distance of the operation part of operation handlebar.Therefore, rotary manipulation the time, catch the hand of operation part just to be not easy to run into desk.Simultaneously, can make the operation handlebar rotation, so also can more easily sharpen a pencil even the not enough child of strength waits with the state of holding operation part tight in one's hands.
3. this pencil sharpener vertically rotates operation handlebar, thus, when pencil sharpener is positioned over a last time, can make from the desk top elongated to the distance of the operation part of operation handlebar.Therefore, rotary manipulation the time, catch the hand of operation part just to be not easy to run into desk.Simultaneously, can make the operation handlebar rotation, so also can more easily sharpen a pencil even the not enough child of strength waits with the state of holding operation part tight in one's hands.
4. this pencil sharpener can freely be dismantled the cutting combination that sharpener, rotary body, deceleration device and operation handlebar are housed from main body box, and thus, the pen core of obstruction can unloaded and take out simply to the cutting combination from main body box, improves its maintainability.
Description of drawings
Fig. 1 is the profile of the pencil sharpener of first kind of embodiment.
Fig. 2 is the exploded view of the cutting combination in Fig. 1 pencil sharpener.
Fig. 3 is the front elevation of the deceleration device in Fig. 1 pencil sharpener.
The key diagram of the state that Fig. 4 unloads from main body box for the combination of the cutting in Fig. 1 pencil sharpener.
Fig. 5 is the front elevation of deceleration device of the pencil sharpener of second kind of embodiment.
Fig. 6 is the profile of the pencil sharpener of second kind of embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is made further detailed description through specific embodiment.Following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
Embodiment 1
Fig. 1 shows in the pencil sharpener 1 of first kind of embodiment and comprises: form exterior contour main body box 2, be loaded on the conveyer 3 in the main body box 2, the pen bits box 5 that is installed on the cutting combination 4 of main body box 2 and is incorporated in the main body box 2 and frees in and out.
Perpendicular rectangular main body box 2 has can independently be positioned over the horizontal surface on the table.At the patchhole 7 that forms above the antetheca 6 of main body box 2 before and after running through.Conveyer 3 has insert the function that main body box 2 interior pencils 8 are sent to the place ahead rotary body 13 1 sides through patchhole 7, is incorporated in the top of main body box 2.The top of the rear wall 10 of main body box 2 forms the installing hole 9 before and after running through, and cutting combination 4 is installed in the top of the rear wall 10 of this main body box 2, can freely dismantle.
As shown in Figure 2, cutting combination 4 constitutes by mount pad 11, the operation handlebar 12 and the rotary body 13 that can rotate freely around antero posterior axis, the rotational delay that makes operation handlebar 12 and to the deceleration device 14 of rotary body 13 conduction, the sharpener 15 that is installed in rotary body 13.
Keep internal gear portion 19 to insert the state of the installing hole 9 of main body box 2, pedestal 16 is installed in the periphery of installing hole 9 through the fixing means of grabbing type, and can freely dismantle.Diagram is omitted, and at the outer surface formation claw of internal gear portion 19, the periphery of installing hole 9 forms groove.The fixing means of above-mentioned grabbing type is meant through above-mentioned groove and inserts above-mentioned claw in the main body box 2; Afterwards; Make the same direction rotation of direction shown in the arrow of pedestal 16 and Fig. 1, the direction of rotation when operation handlebar 12 sharpens a pencil (below be called clockwise direction), be fixed on above-mentioned claw the inside of rear wall 10.
Form the support tube of taking in through the head of the pencil 8 in the patchhole 7 insertion main body boxes 2 23 in the front of rotary body 13.Support tube 23 is positioned at the pivot of rotary body 13, the slit (not illustrating) that the head of the pencil 8 that inserts support tube 23 is exposed in a formation of the circumference of support tube 23.
Be provided with the positive axle 24 that departs from seemingly inclination like direction outside the footpath of rotary body 13 in the rotary body 13.Sharpener 15 is cylindric, and its inboard is inserted into the axle 24 that can rotate freely, and supports it by axle 24 and rotates freely.At the outer surface except that sharpener 15 afterbodys, form the helical form blade part 25 of cutting pencil 8 heads that expose in the above-mentioned slit according to the direction of rotation plural number.As with the internal gear portion 19 of pedestal 16 planetary gear of interlock mutually, the afterbody of sharpener 15 has been mounted planetary gear portion 26.
Afterbody at rotary body 13 forms external thread part 27.External thread part 27 passes through hole 20, is screwed into to be positioned at undermost gear 223 in the said gear 22, and rotary body 13 is connected with gear 223 thus.Internal gear portion 19 and planetary gear portion 26 constitute epicyclic gearing together, and gear 223 plays a role as the central gear of this epicyclic gearing.
Be positioned at gear 221 places of the superiors in the gear 22, be provided with screw axial region 31 towards the rear.It is rearward outstanding that screw axial region 31 passes shell body 17, is screwed into an end opposite with the operating portion of arm 28 29.Thus, operation handlebar 12 is connected with gear 221.One end of screw axial region 31 1 sides of the arm 28 of the pivot of operation handlebar 12 is set at the top of external thread part 27 of the pivot of rotary body 13, and the rotating shaft of operation handlebar 12 is positioned at the top of the rotating shaft of rotary body 13.
Fixing means through grabbing type is installed on pedestal 16 on the main body box 2, and cutting combination 4 is installed in main body box 2 thus, and can freely dismantle.
Use the pencil sharpener 1 of this example to sharpen a pencil at 8 o'clock, insert support tube 23 to pencil 8 through patchhole 7, under this state, catch operating portion 29 or as shown in Figure 1 grasping with finger, making operation handlebar 12 is that the center turns clockwise with screw axial region 31.So; The gear 221 and the operation handlebar 12 of the superiors that fuse with arm 28 in the gear 22 rotate to same direction; With gear 221 gear 222 and gear 221 opposite spins of the centre of interlock mutually; With gear 222 mutually interlock 222 one-tenth of undermost gear 223 and gears in the other direction, promptly become same direction rotation with the direction of rotation of operation handlebar 12.
When undermost gear 223 rotated, the rotary body 13 and the sharpener 15 that fuse with gear 223 will be the center rotation with external thread part 27 together with gear 223 like this.And, this moment sharpener 15 planet screw portion 26 and internal gear portion 19 interlock mutually, sharpener 15 is that the center rotates with axle 24 thus.When to be sharpener 15 with the external thread part 27 of rotary body 13 be the center revolution, be the center rotation with axle 24, through the blade part 25 of sharpener 15, the head of the pencil 8 of insertion is sharpened in the above-mentioned support tube 23.
Conveyer 3 supports gear 36 and the roller bearing 37 that the rotary part 34, the supported body 33 that rotate freely around antero posterior axis support the rotating shaft 35 of the pair of right and left that is positioned at rotary part 34 the place aheads that rotates freely around last lower shaft and be fixed in each rotating shaft 35 by the supporter that is installed on main body box 2 33, supported body 33 and constitutes.
The back of rotary part 34 forms aft-opening embedded hole 38.The fore-end of the support tube 23 of rotary body 13 is embedded into embedded hole 38, makes it and can freely not extract out and pack into from rear rotation.
Periphery forms a pair of tooth portion (not illustrating) from circumferencial direction 180 degree in the front of rotary part 34.Whenever rotary part 34 becomes predetermined angular when rotation with circumferencial direction, gear 36 interlock mutually of these tooth portions and correspondence position makes this gear 36 center on last lower shaft and rotates with predetermined angular.
The roller bearing 37 that is installed on each rotating shaft 35 relative to each other, the pencil 8 that inserts through patchhole 7 passes 37 of two roller bearings and is clamped.
As stated, when operation handlebar 12 rotations, rotary body 13 and rotary part 34 rotations that fuse with rotary body 13 are because each gear 36 rotation of the tooth portion of this rotary part 34.So two rotating shafts 35 and the roller bearing 37 that is installed on each rotating shaft 35 are urged through these two roller bearings, 37 pencils 8 around last lower shaft rotation.Therefore, when rotary manipulation sharpens a pencil as stated, forwards carry pencil 8 to 12 through conveyer 3.
Pen is considered box 5 upward openings to be worth doing, is incorporated in the below of main body box 2.The below of the antetheca 6 of main body box 2 forms pull mouth 39, and pen bits box 5 is drawn out of from pull mouth 39 to be put into.Pen bits box 5 is installed in the below of support tube 23, and the chip of the pencil of being cut out by above-mentioned sharpener 15 8 is taken in wherein.
The pencil sharpener 1 of this example of above-mentioned explanation makes the rotational delay of operation handlebar 12 and conducts to rotary body 13 through deceleration device 14, and the rotary body 13 of sharpener 15 can be housed with bigger revolving force rotation thus.Therefore, even waiting, the not enough child of strength also can sharpen a pencil 8 simply.Simultaneously, the distance L 1 (with reference to Fig. 1) from the pivot of operation handlebar 12 to operating portion 29 is shortened.Thus, the length of the arm 28 of operation handlebar 12 shortens, thereby has reached the purpose that operation handlebar 12 no longer becomes obstruction.
In addition, in this example, make the pivot of operation handlebar 12 be positioned at the top of the pivot of rotary body 13, when main body box 2 is positioned over table when lasting, just can make above the desk distance L 2 of operating portion 29 of operation handlebar 12 elongated.Therefore, when rotary manipulation 12 the time, the hand of holding operating portion 29 just is difficult to touch desk.Simultaneously, as shown in Figure 1, can under the hand-tight state that holds on operating portion 29, make operation handlebar 12 rotations, even child's grade that strength is not enough so also can more easily sharpen a pencil 8.
Simultaneously; In this example, the cutting combination 4 with sharpener 15, rotary body 13, deceleration device 14 and operation handlebar 12 is installed, this cutting combination 4 can freely be dismantled in main body box 2; Improve its maintainability; As when stopping up the disconnected core 40 of pencil 8 between rotary body 13 and the sharpener 15, can as shown in Figure 4ly take off cutting combination 4 from main body box 2, take out pen core 40 etc. simply.In addition; Though omitted diagram; But, only need cut combination and the cutting of this example and make up 4 and exchange and to become the pencil sharpener that possesses deceleration device 14 for having possessed deceleration device 14 and shell body 17 in the cutting combination 4 of omitting this example, directly having connected the pencil sharpeners of the cuttings combination of rotary bodies 13 to operation handlebar 12.
In addition, in this example, because deceleration device 14 is made up of three layers of gear 22, so can make the direction of rotation of the rotary body 13 that sharpener 15 is housed consistent with the direction of rotation of operation handlebar 12.Therefore, make the direction of rotation of operation handlebar 12 consistent, can not feel inharmonious fully with the direction of rotation of the actual sharpener that sharpens a pencil 15 (containing two kinds of revolution and rotations).
In addition, in this example, though deceleration device 14 constitute by three layers of gear 22, deceleration device 14 by more than five layers and the gear 22 of odd-level situation about constituting also can obtain same effect.Simultaneously, deceleration device 14 not only is made up of odd-level gear 22, also can be made up of the gear 22 of even level.
Have, the gear 22 engaged plural layer gears 22 that deceleration device 14 is not limited in by adjacency constitute again.As this example, can enumerate as shown in Figure 5ly, constitute the situation of deceleration device 14 by conveyer belt deceleration device 43.This conveyer belt deceleration device 43 by attended operation 12 upper strata pulley 44, connect rotary body 13 lower floor's pulley 45, and constitute around the band tooth conveyer belt 46 that is hung on two pulleys 44,45.Lower floor's pulley 45 is bigger than the diameter of upper strata pulley 44, and band tooth conveyer belt 46 is set to, with lower floor pulley 45 mutually interlock tooth portion 47 than with the tooth portion more than 47 of upper strata pulley 44 phase interlocks.So, even the situation that deceleration device 14 is made up of conveyer belt deceleration device 43 also can obtain effect the same when constituting deceleration device 14 by plural layer gear 22.
In addition, in this example, the fixing means through grabbing type is installed on main body box 2 to pedestal 16.Fixing means about this grabbing type; Be loaded on main body box 2 pedestal 16 since the segment that main body box 2 places form etc. be limited can only the clockwise direction rotation; Therefore, the clockwise direction rotary manipulation of the direction of rotation when sharpening a pencil is no problem 12 o'clock.But, in this example because the pivot mistake of the pivot of operation handlebar 12 and rotary body 13 leaves, so when rotary manipulation counterclockwise 12 the time, pedestal 16 rotation is counterclockwise fixed and possibly broken away from.Therefore, except that above-mentioned grabbing type fixing means, some means preferably are set again prevent the outstanding pedestal that waits 16 situation of rotation counterclockwise in the main body box 2.
In addition, in this example, though make the rotating shaft direction of rotary body 13, each gear 22 and operation handlebar 12 parallel with front and back, even tilt also can before and after making it.That is, rotary body 13, each gear 22 and operation handlebar 12 contain situation about tilting before and after the rotating shaft direction, so long as get final product around the transverse axis rotation.Simultaneously, in this example,, not parallelly also can though the rotating shaft direction of rotary body 13 is parallel with the rotating shaft direction of operation handlebar 12.
Pencil sharpener 1 about second example describes below.In addition, in following explanation, about with the situation of the same structure of first example, indicate same numbering, omit repeat specification.
The pencil sharpener 1 of this example as shown in Figure 6; Not only cutting combination 4 has possessed operation handlebar 12 and deceleration device 14, but also by the rear wall 10 that is installed on main body box 2 through the grabbing type fixing means and the mount pad 48 that can freely dismantle, be directed to mount pad 48 settings center on the rotary body 13 that antero posterior axis rotates freely and the sharpener 15 that is installed on rotary body 13 constitutes.
The central part of gear 531 is connected through the central part of fixture 54 with swivel plate 51, and the central part of gear 532 is embedded into and can not rotates and can plug the front end of rotary body 13 freely, and makes it to be connected.So the number of teeth of gear 532 is more than the number of teeth of gear 531.
Use the pencil sharpener 1 of this example to sharpen a pencil at 8 o'clock, insert support tube 23 to pencil 8 through patchhole 7, under this state, catch operating portion 52 or as shown in Figure 6 grasping with finger, making operation handlebar 12 is the center rotation with fixture 54.So gear 531 is around last lower shaft rotation the time, with this gear 531 mutually the gear 532 of interlock around the antero posterior axis rotation.Thus, the rotary body 13 that is connected with gear 532 sharpens a pencil 8 around the antero posterior axis rotation through the sharpener 15 that is loaded on this rotary body 13.
In addition, rotary part 34 places connect the front end or the connection gear 532 of the rotary body 13 that can freely dismantle, and thus, the conveyer 3 of this example is identical with first example, are delivered to rotary body 13 1 sides in the place ahead to the pencil 8 that inserts through patchhole 7.
More than the pencil sharpener 1 of this example of explanation also can make the rotational delay of operation handlebar 12 and conduct to rotary body 13 through deceleration device 14, and the rotary body 13 of sharpener 15 can be housed with bigger revolving force rotation thus.
In addition, particularly operation handlebar 12 when main body box 2 is positioned over a last time, just can make from the desk top elongated to the distance of the operating portion 52 of operation handlebar 12 around last lower shaft rotation.Therefore, when rotary manipulation 12 the time, the hand of holding operating portion 52 just is difficult to touch desk.Simultaneously, as shown in Figure 6, can under the hand-tight state that holds on operating portion 52, make operation handlebar 12 rotations, even child's grade that strength is not enough so also can more easily sharpen a pencil 8.In addition, the cutting combination 4 in this example also can freely be dismantled in main body box 2, can take off cutting combination 4 from main body box 2, takes out pen core 40 simply.
Have, in this example, though deceleration device 14 is made up of two gears 53, deceleration device is not limited thereto again, as 53 constituting and also can to cog by three.Simultaneously, in this example,, also can even make it to have a down dip though the rotating shaft direction of operation handlebar 12 is parallel with above-below direction.That is, operation handlebar 12 contains situation about having a down dip on the rotating shaft direction, so long as get final product around longitudinal axis rotation.In addition; In this example; Though the example that does not have operation handlebar 12 and deceleration device 14 about cutting combination 4 is illustrated, and is identical with first example, also can even have the cutting combination 4 of sharpener 15, rotary body 13, deceleration device 14 and operation handlebar 12.
In addition, the conveyer 3 in above-mentioned each example, also can by the state that inserts support tubes 23 to pencil 8 through patchhole 7 down seesaw possible slide fastener etc. of maintenance constitute, also can omit conveyer 3.
In addition, in above-mentioned each example,, be installed on the below of the rear wall 10 of main body box 2 to pull mouth 39, pull out pen backward from main body box 2 and consider a box 5 to be worth doing and also can though be arranged to pull out a pen bits box 5 forward from main body box 2.
Claims (4)
1. pencil sharpener; Comprise main body box, be installed on the conveyer in the main body box, the pen bits box that is installed on the cutting combination on the main body box and is incorporated in the main body box and frees in and out; The cutting combination comprises mount pad, operation handlebar, rotary body and sharpener; It is characterized in that: described cutting combination comprises that also deceleration device, this deceleration device make the operation handlebar deceleration and conduct to rotary body.
2. pencil sharpener according to claim 1 is characterized in that: the pivot of said operation handlebar is positioned at the top of the pivot of above-mentioned rotary body.
3. pencil sharpener according to claim 1 is characterized in that: said operation handlebar is around longitudinal axis rotation.
4. according to claim 1 or 2 or 3 described pencil sharpeners, it is characterized in that: described cutting combination is installed on the main body box with removably.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011076231A JP2012210711A (en) | 2011-03-30 | 2011-03-30 | Pencil sharpener |
| JP2011-076231 | 2011-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102328539A true CN102328539A (en) | 2012-01-25 |
Family
ID=45480617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110270113XA Pending CN102328539A (en) | 2011-03-30 | 2011-09-14 | Pencil sharpener |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012210711A (en) |
| CN (1) | CN102328539A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786505B (en) * | 2014-03-05 | 2016-01-13 | 吴宝国 | The pencil sharpener of automatic entrance-exit pen |
| CN104290507B (en) * | 2014-10-21 | 2016-03-30 | 顺德工业(江苏)有限公司 | A kind of drive mechanism of penknife |
| CN104309380B (en) * | 2014-10-21 | 2016-08-24 | 顺德工业(江苏)有限公司 | Penknife drive mechanism |
| JP6688607B2 (en) * | 2015-12-25 | 2020-04-28 | カール事務器株式会社 | Method for manufacturing already-cut pencils, manufacturing device for already-cut pencils, and already-cut pencils |
| CN109515045B (en) * | 2019-01-15 | 2024-04-16 | 义乌市鼎邦文体用品有限公司 | Pencil sharpening mechanism and vertical hand pencil sharpener |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961451A (en) * | 1987-05-11 | 1990-10-09 | Bucci Albert W | Sharpener for rectangular pencils |
| CN2690178Y (en) * | 2004-03-18 | 2005-04-06 | 贾汀 | Full automatic safety pencil sharpener |
| JP2009096008A (en) * | 2007-10-15 | 2009-05-07 | Toshimasa Hiratsuka | Cutter for sharpening pencil lead and stopper for preventing excessive sharpening |
| CN201573462U (en) * | 2009-11-11 | 2010-09-08 | 莱德企业有限公司 | Adjustable pencil sharpening device |
-
2011
- 2011-03-30 JP JP2011076231A patent/JP2012210711A/en not_active Withdrawn
- 2011-09-14 CN CN201110270113XA patent/CN102328539A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4961451A (en) * | 1987-05-11 | 1990-10-09 | Bucci Albert W | Sharpener for rectangular pencils |
| CN2690178Y (en) * | 2004-03-18 | 2005-04-06 | 贾汀 | Full automatic safety pencil sharpener |
| JP2009096008A (en) * | 2007-10-15 | 2009-05-07 | Toshimasa Hiratsuka | Cutter for sharpening pencil lead and stopper for preventing excessive sharpening |
| CN201573462U (en) * | 2009-11-11 | 2010-09-08 | 莱德企业有限公司 | Adjustable pencil sharpening device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012210711A (en) | 2012-11-01 |
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Application publication date: 20120125 |