CN103786505B - The pencil sharpener of automatic entrance-exit pen - Google Patents
The pencil sharpener of automatic entrance-exit pen Download PDFInfo
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- CN103786505B CN103786505B CN201410077387.0A CN201410077387A CN103786505B CN 103786505 B CN103786505 B CN 103786505B CN 201410077387 A CN201410077387 A CN 201410077387A CN 103786505 B CN103786505 B CN 103786505B
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- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 239000012780 transparent material Substances 0.000 claims description 5
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
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Abstract
The present invention relates to the pencil sharpener of a kind of automatic entrance-exit pen in stationery field, connected and composed by an advance and retreat mechanism for the transmission mechanism of box body, wind, the first cavity, the cutting mechanism of the second cavity and the 3rd cavity.The lower end of transmission mechanism connects a horizontal worm screw by pinion, the other end of worm screw connects a mechanism that retreats, a mechanism that retreats is provided with two long rotating shafts arranged in parallel and short rotating shaft, long rotating shaft and short rotating shaft are provided with symmetrical rubber roll and pinion from top to bottom successively, long rotating shaft lower end is provided with helical gear, a pair pinion is meshed, helical gear engages with the turbine of its lower end, the horizontal central line of roller is provided with the annular groove of interspersed pencil, box body is provided with pen plughole, send in pencil fixed cover through the rotary torsion of a pair rubber roll after pencil injects pen plughole and complete stock removal action.The present invention has simple and quick, children to be carried out to scientific and technical formative education advantage.
Description
Technical field
The present invention relates to a kind of stationery, more particularly, the present invention relates to the pencil sharpener of the automatic entrance-exit pen that a kind of children of convenience use.
Background technology
Sharpening a pencil is that student does one's assignment prerequisite technical ability, and particularly preschool children and pupil, sharpen a pencil by conventional blades, there is very large potential safety hazard, and the stationery that therefore this colony is suitable for must be pencil sharpener.Prior art solves the technical barrier cutting an aspect already, but also there are problems in an advance and retreat problem.Usual way holds pencil with one to put in the pen cap, the hand fixed handle of another sharpens a pencil, but the prerequisite of this method is fixed on platen by pencil sharpener, must be meticulous during crank handle, otherwise just cannot smooth operation, therefore this method is concerning young children, more difficult grasp.For this reason, businessman is had to do technical improvement to how fixing pencil, than if any a pencil sharpener, in the hole of advance and retreat pen, be provided with decile to arrange the pressing plate of three pieces of linking springs, pressing plate connects a spanner, during use, pull spanner, pressing plate shrinks, and pencil is put into a hole, after loosening spanner, three block pressur plates compress pencil, then sharpening pencil is carried out, after having cut pencil, operation above-mentioned steps of driving in the wrong direction.Although this method does not need to hold pencil in the process sharpened a pencil always, but still inconvenient.
Summary of the invention
The object of the present invention's invention overcomes the deficiencies in the prior art, the pencil sharpener of the automatic entrance-exit pen providing a kind of children of convenience to use.
The object of the present invention's invention is achieved through the following technical solutions:
A kind of pencil sharpener of automatic entrance-exit pen, by box body, wind, transmission mechanism, cutting mechanism and advance and retreat, a mechanism connects and composes, described box body is divided into four cavitys, and the first cavity is provided with transmission mechanism, the second cavity is provided with cutting mechanism, the 3rd cavity is provided with a mechanism that retreats, the 4th cavity is provided with pen bits receiver.Described wind is arranged on outside the top panel of box body, its rotating shaft connected connects the transmission mechanism of the first cavity through top panel, the upper end of described transmission mechanism connects the cutting mechanism of the second cavity, its lower end connects a horizontal worm screw by pinion, the other end of described worm screw connects an advance and retreat mechanism of the 3rd cavity, a described advance and retreat mechanism comprises mounting bracket, worm and gear, rotating shaft, axle bed, helical gear, pinion and rubber roll, described rotating shaft is provided with that one is long and the other is short two, described long rotating shaft one end is connected and installed on the axle bed of pedestal upper end, one end connects on the axle bed of box plate, long rotating shaft is provided with rubber roll from top to bottom successively, pinion and helical gear, described short rotating shaft is arranged on the position with long shaft parallel, its two ends are connected on the axle bed at the upper and lower two ends of mounting bracket, short rotating shaft is provided with rubber roll and pinion from top to bottom successively, the rubber roll of this rubber roll and pinion and long rotating shaft and pinion symmetry are put, the horizontal central line of described roller is provided with annular groove, space between two annular grooves and the external diameter of pencil are interference fit, pinion in described short rotating shaft engages with the pinion in long rotating shaft, described turbine engages with helical gear, described box body is provided with the pen plughole running through the 3rd cavity wallboard, between this pen plughole and two rubber rolls, the pencil fixed cover of space and cutting mechanism is an axis.
The object that the present invention invents can also be achieved through the following technical solutions:
Described transmission mechanism by horizontal bevel gear, perpendicular put bevel gear, horizontal gear, pinion, worm screw, rotating shaft and axle bed and be formed by connecting, on the top board that the two ends of described rotating shaft and axle bed are connected to the first cavity and base plate, the upper end of axle bed is fixedly connected with horizontal bevel gear, described perpendicular bottom of putting bevel gear is fixedly connected with horizontal gear, and the cutting mechanism of the second cavity is connected by rotating shaft, described perpendicular bevel gear of putting engages with horizontal bevel gear, and described horizontal gear engages with the pinion on worm screw.Described cutting mechanism is connected and composed by pencil fixed cover, hobboing cutter and inside engaged gear, described inside engaged gear erects on the sidewall putting and be fixed between the first cavity and the second cavity, one end of described pencil fixed cover is provided with chassis, the center on chassis is provided with rotating shaft, and this rotating shaft puts bevel gear by the horizontal gear of the central through hole of inside engaged gear and the lateral through aperture connection for transmission mechanism of the first cavity and the second cavity with perpendicular; The side of the pencil fixed cover other end is provided with connecting plate, and one end of described hobboing cutter is flexibly connected connecting plate, other end connecting base plate, and the end of hobboing cutter is provided with planetary gear, and this planetary gear engages with inside engaged gear.Described pencil fixed cover is cone-shaped, and its side has notch.Described box body is provided with drawing and pulling type pen bits receiver in the bottom of the second cavity, box body adopts transparent material to make.The wallboard that described first cavity connects the second cavity is provided with detachable structure, described detachable structure is the through hole that the wallboard of the second cavity is provided with by cutting mechanism, symmetrical bayonet socket is provided with in described through hole, the inside engaged gear outer ring that described first cavity wallboard connects is provided with the clamp supporting with bayonet socket, the lower end of described second cavity wallboard is provided with arc-shaped slot, and one end of this draw-in groove is circular hole; Described first cavity wallboard is provided with deep-slotted chip breaker in the position of corresponding pinion, the width of this deep-slotted chip breaker is greater than the diameter of pinion, the lower end of deep-slotted chip breaker is provided with the clamp supporting with draw-in groove, the end of described clamp is provided with laterally zygomorphic rising as high as the banks, the external diameter of clamp matches with the circular hole of draw-in groove, and it is risen as high as the banks and to match with the width of draw-in groove.The center of circle at described draw-in groove and deep-slotted chip breaker two ends is 25 ° of angles.Described first cavity is provided with rib on the both sides of the wallboard be connected with the second cavity.
Compared with prior art, the present invention has following beneficial effect:
1. invention increases a mechanism that retreats, therefore, only pencil need be injected pen-laying hole, swinging handle, while fixing pencil, also complete the work sharpened a pencil, operate more simple and efficient;
2. the present invention has transmission mechanism, box body employing transparent material makes, children are under the ordering about of curiosity, attract them can observe internal structure and the operation conditions of product very intuitively in the process sharpened a pencil, the principle of preliminary understanding machine work, has the formative education of scientific and technical general knowledge to children.
Accompanying drawing explanation
Fig. 1 is the pencil sharpener schematic diagram of automatic entrance-exit pen;
Fig. 2 is transmission mechanism schematic diagram;
Fig. 3 is a structural scheme of mechanism of retreating;
Fig. 4 is cutting mechanism schematic diagram;
Fig. 5 is the first cavity wallboard schematic diagram;
Fig. 6 is the second cavity wallboard schematic diagram;
Fig. 7 is the first and second cavity wallboard connection diagrams.
In figure: box body 1, wind 2, first cavity 3, second cavity 4, 3rd cavity 5, 4th cavity 6, rotating shaft 7-1, 7-2, horizontal bevel gear 8, erect and put bevel gear 9, horizontal gear 10, pinion 11-1, 11-2, worm screw 12, axle bed 13-1, 13-2, 13-3, mounting bracket 14, turbine 15, helical gear 16, rubber roll 17, long rotating shaft 18, short rotating shaft 19, annular groove 20, pencil fixed cover 21, hobboing cutter 22, inside engaged gear 23, connecting plate 24, pen plughole, planetary gear 26, chassis 27, first cavity wallboard 28, draw-in groove 29, clamp 30, deep-slotted chip breaker 31, second cavity wallboard 32, rib 33.
Detailed description of the invention
Below in conjunction with drawings and Examples, essentiality content of the present invention is described in further detail:
As shown in Figures 1 to 4: a kind of pencil sharpener of automatic entrance-exit pen, connected and composed by box body 1, wind 2, transmission mechanism, cutting mechanism and an advance and retreat mechanism.Box body 1 adopts transparent material to make, and is generally transparent plastic, and student can be very clear to the mechanical configurations in pencil sharpener and structure when using pencil sharpener.Box body 1 is divided into four cavitys, and the first cavity 3 is provided with transmission mechanism, the second cavity 4 is provided with cutting mechanism, the 3rd cavity 5 is provided with a mechanism that retreats, the 4th cavity 6 is provided with pen bits receiver.Wind 2 is arranged on outside the top panel of box body 1, and its rotating shaft 7-1 connected connects the transmission mechanism of the first cavity 3 through top panel.As shown in Figure 2: transmission mechanism by horizontal bevel gear 8, perpendicular put bevel gear 9, horizontal gear 10, pinion 11-1, worm screw 12, rotating shaft 7-1 and axle bed 13-1 and be formed by connecting, on the top board that the two ends of rotating shaft 7-1 and axle bed 13-1 are connected to the first cavity 3 and base plate, the upper end of axle bed 13-1 is fixedly connected with horizontal bevel gear 8, the flank of tooth is put bevel gear 9 engage with perpendicular down, perpendicular bottom of putting bevel gear 9 is fixedly connected with horizontal gear 10, and connects the cutting mechanism of the second cavity 4 by rotating shaft 7-2.The below of horizontal gear 10 is provided with the worm screw 12 of leading to a mechanism that retreats, and the end of worm screw 12 is provided with pinion 11-1, and horizontal gear 10 engages with the pinion 11-1 on worm screw 12.When clockwise shake wind 2, horizontal bevel gear 8, perpendicularly put bevel gear 9 and horizontal gear 10 turns clockwise, also drive cutting mechanism to turn clockwise; Because horizontal gear 10 engages with pinion 11-1, so drive pinion 11-1 and worm screw 12 to be rotated counterclockwise simultaneously.As shown in Figure 3: the other end of worm screw 12 connects an advance and retreat mechanism of the 3rd cavity 5.Retreat a mechanism comprise mounting bracket 14, worm gear 15, worm screw 12, rotating shaft 18,19, axle bed 13-2,13-3, helical gear 16, pinion 11-2 and rubber roll 17.Rotating shaft 18, 19 are provided with that one is long and the other is short two and arranged in parallel, long rotating shaft 18 one end is connected and installed on the axle bed 13-2 of support 14 upper end, one end connects on the axle bed of box body 1 base plate, long rotating shaft 18 is provided with rubber roll 17 from top to bottom successively, pinion 11-2 and helical gear 16, the two ends of short rotating shaft 19 are connected on the axle bed 13-3 at mounting bracket about 14 two ends, mounting bracket 14 is fixed on the wallboard of the 3rd cavity 5, short rotating shaft 19 is provided with rubber roll 17 and pinion 11-2 from top to bottom successively, the rubber roll 17 of short rotating shaft 19, the rubber roll 17 of pinion 11-2 and long rotating shaft 18 and pinion 11-2 symmetry are put, the horizontal central line of rubber roll 17 is provided with annular groove 20, space between the annular groove 20 of two rubber rolls 17 and the external diameter of pencil are interference fit, namely the space between two annular grooves 20 is slightly less than the external diameter of pencil.Pinion 11-2 in short rotating shaft 19 engages with the pinion 11-2 in long rotating shaft 18, and turbine 15 engages with helical gear 16, when turbine 15 is rotated counterclockwise, drives the helical gear 16 in long rotating shaft 18, pinion 11-2 and rubber roll 17 all to turn clockwise.Because the pinion 11-2 of short rotating shaft 19 engages with the pinion 11-2 of long rotating shaft 18, therefore pinion 11-2 in short rotating shaft 19 and rubber roll 17 are all rotated counterclockwise.As shown in Figure 4: cutting mechanism is connected and composed by pencil fixed cover 21, hobboing cutter 22 and inside engaged gear 23, inside engaged gear 23 is perpendicular to be put on the sidewall that is fixed between the first cavity 3 and the second cavity 4, one end of pencil fixed cover 21 is provided with chassis 27, the center on chassis 27 is provided with rotating shaft 7-2, and this rotating shaft 7-2 puts bevel gear 9 through the horizontal gear 10 of the central through hole of inside engaged gear 23 and the lateral through aperture connection for transmission mechanism of the first cavity 3 and the second cavity 4 with perpendicular; The side of pencil fixed cover 21 other end is provided with connecting plate 24, and one end of hobboing cutter 22 is flexibly connected connecting plate 24, other end connecting base plate 27, and the end of hobboing cutter 22 is provided with planetary gear 26, and this planetary gear 26 engages with inside engaged gear 23.Pencil fixed cover 21 is cone-shaped, and its side has notch.While the rotating shaft 7-1 of transmission mechanism conducts the rotation of pencil fixed cover 21, the hobboing cutter 22 that pencil fixed cover 21 base plate 27 is installed does circumference around pencil fixed cover 21 and rotates while rotation, and then completes the action of sharpening pencil.As shown in Figure 1: box body 1 is provided with the pen plughole 25 running through the 3rd cavity wallboard 5, between this pen plughole 25 and annular groove 20 of two rubber rolls 17, the pencil fixed cover 21 of space and cutting mechanism is an axis.Wind 2 is shaken clockwise after pencil being put into pen plughole 25, in this duration rotating shaft 18, rubber roll 17 turns clockwise, rubber roll 17 in short rotating shaft 19 is rotated counterclockwise, a pair rubber roll, 17 pairs of pencils produce torsion, are delivered to by pencil in pencil fixed cover 21 and cut.After completing cutting, after pencil-lead runs into the obstacle of pencil fixed cover 21 front end, rubber roll 17 just can skid (rubber roll 17 with rotating shaft need precision-matched), stop operating, and also pencil would not be advanced toward front end, avoid pencil-lead to fracture.Rotate counterclockwise wind 2, the rotation of transmission mechanism conduction makes that the rubber roll 17 in long rotating shaft 18 is rotated counterclockwise, rubber roll 17 in short rotating shaft 19 turns clockwise, the torsion that a pair rubber roll, 17 pairs of pencils produce makes pencil exit.Box body 1 is provided with drawing and pulling type pen bits receiver at bottom the 4th cavity 6 of the second cavity 4, in order to receive pen bits.Box body 1 adopts transparent material to make, children are in the process sharpened a pencil, mechanical realization and operation principle in pencil sharpener can be seen through transparent box body 1, make them from the great interest of little germinating to science and technology, without benefits to the intelligence of exploitation children.See Fig. 1, Fig. 5 to Fig. 7: in the process sharpened a pencil, because improper use produces pencil-lead and is stuck in the situation that cannot use in cutting mechanism, now need to take pencil sharpener device cleaning pen bits apart, so the box body 1 of the first cavity and the box body 1 of the second cavity are designed to dismountable, the wallboard that first cavity connects the second cavity is provided with detachable structure, second cavity wallboard 32 is provided with the through hole 34 by cutting mechanism, be provided with symmetrical bayonet socket in through hole 34, inside engaged gear 23 outer ring that the first cavity wallboard 28 connects is provided with the clamp supporting with bayonet socket.The lower end of the second cavity wallboard 32 is provided with arc-shaped slot 29, and one end of this draw-in groove 29 is circular hole; First cavity wallboard 28 is provided with deep-slotted chip breaker 31 in the position of corresponding pinion 11-1, and the width of this deep-slotted chip breaker 31 is greater than the diameter of pinion 11-1, can avoid the obstruct of pinion 11-1 when mounting or dismounting first cavity 3 is connected with the second cavity 4 box body 1.The lower end of deep-slotted chip breaker 31 is provided with the clamp 30 supporting with draw-in groove 29, and the end of clamp 30 is provided with laterally zygomorphic rising as high as the banks, and the external diameter of clamp 30 matches with the circular hole of draw-in groove 29, and it is risen as high as the banks and to match with the width of draw-in groove 29.With the center of circle of through hole 34 and inside engaged gear 23 for vertical line, the center of circle at draw-in groove 29 and deep-slotted chip breaker 31 two ends is 25 ° of angles.When the box body 1 of the first cavity 3 and the second cavity 4 box body 1 need be dismantled, left hand is held the second cavity 4 box body 1, pull the first cavity 3 box body 25 degree counterclockwise, just can extract the first cavity 3 box body 1 out, take out transmission mechanism and connect cutting mechanism.During assembling, operate by reverse program.The both sides of the first cavity wallboard 28 are provided with rib 33, so design, and being in order to the second cavity wallboard 32 produces elasticity when being connected with the first cavity wallboard 28, making clamp 30 strain draw-in groove 29, reaching the effect be connected firmly.
Claims (6)
1. the pencil sharpener of an automatic entrance-exit pen, by box body, wind, transmission mechanism, cutting mechanism and a mechanism that retreats connect and compose, described box body is divided into four cavitys, first cavity is provided with transmission mechanism, second cavity is provided with cutting mechanism, 3rd cavity is provided with a mechanism that retreats, 4th cavity is provided with pen bits receiver, it is characterized in that: described wind is arranged on outside the top panel of box body, its rotating shaft connected connects the transmission mechanism of the first cavity through top panel, the upper end of described transmission mechanism connects the cutting mechanism of the second cavity, its lower end connects a horizontal worm screw by pinion, the other end of described worm screw connects an advance and retreat mechanism of the 3rd cavity, a described advance and retreat mechanism comprises mounting bracket, worm and gear, rotating shaft, axle bed, helical gear, pinion and rubber roll, described rotating shaft is provided with that one is long and the other is short two, described long rotating shaft one end is connected and installed on the axle bed of pedestal upper end, one end connects on the axle bed of box plate, long rotating shaft is provided with rubber roll from top to bottom successively, pinion and helical gear, described short rotating shaft is arranged on the position with long shaft parallel, its two ends are connected on the axle bed at the upper and lower two ends of mounting bracket, short rotating shaft is provided with rubber roll and pinion from top to bottom successively, the rubber roll of this rubber roll and pinion and long rotating shaft and pinion symmetry are put, the horizontal central line of described roller is provided with annular groove, space between two annular grooves and the external diameter of pencil are interference fit, pinion in described short rotating shaft engages with the pinion in long rotating shaft, described worm gear engages with helical gear, described box body is provided with the pen plughole running through the 3rd cavity wallboard, between this pen plughole and two rubber rolls, the pencil fixed cover of space and cutting mechanism is an axis, described transmission mechanism by horizontal bevel gear, perpendicular put bevel gear, horizontal gear, pinion, worm screw, rotating shaft and axle bed and be formed by connecting, on the top board that the two ends of described rotating shaft and axle bed are connected to the first cavity and base plate, the upper end of axle bed is fixedly connected with horizontal bevel gear, described perpendicular bottom of putting bevel gear is fixedly connected with horizontal gear, and the cutting mechanism of the second cavity is connected by rotating shaft, described perpendicular bevel gear of putting engages with horizontal bevel gear, and described horizontal gear engages with the pinion on worm screw, described cutting mechanism is connected and composed by pencil fixed cover, hobboing cutter and inside engaged gear, described inside engaged gear erects on the sidewall putting and be fixed between the first cavity and the second cavity, one end of described pencil fixed cover is provided with chassis, the center on chassis is provided with rotating shaft, and this rotating shaft puts bevel gear by the horizontal gear of the central through hole of inside engaged gear and the lateral through aperture connection for transmission mechanism of the first cavity and the second cavity with perpendicular, the side of the pencil fixed cover other end is provided with connecting plate, and one end of described hobboing cutter is flexibly connected connecting plate, other end connecting base plate, and the end of hobboing cutter is provided with planetary gear, and this planetary gear engages with inside engaged gear, described pencil fixed cover is cone-shaped, and its side has notch.
2. the pencil sharpener of automatic entrance-exit pen according to claim 1, is characterized in that: described box body is provided with drawing and pulling type pen bits receiver in the bottom of the second cavity.
3. the pencil sharpener of automatic entrance-exit pen according to claim 2, is characterized in that: described box body adopts transparent material to make.
4. the pencil sharpener of automatic entrance-exit pen according to claim 1, it is characterized in that: the wallboard that described first cavity connects the second cavity is provided with detachable structure, described detachable structure is the through hole that the wallboard of the second cavity is provided with by cutting mechanism, symmetrical bayonet socket is provided with in described through hole, the inside engaged gear outer ring that described first cavity wallboard connects is provided with the clamp supporting with bayonet socket, the lower end of described second cavity wallboard is provided with arc-shaped slot, and one end of this draw-in groove is circular hole; Described first cavity wallboard is provided with deep-slotted chip breaker in the position of corresponding pinion, the width of this deep-slotted chip breaker is greater than the diameter of pinion, the lower end of deep-slotted chip breaker is provided with the clamp supporting with draw-in groove, the end of described clamp is provided with laterally zygomorphic rising as high as the banks, the external diameter of clamp matches with the circular hole of draw-in groove, and it is risen as high as the banks and to match with the width of draw-in groove.
5. the pencil sharpener of automatic entrance-exit pen according to claim 4, is characterized in that: the center of circle at described draw-in groove and deep-slotted chip breaker two ends is 25 ° of angles.
6. the pencil sharpener of automatic entrance-exit pen according to claim 4, is characterized in that: described first cavity is provided with rib on the both sides of the wallboard be connected with the second cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077387.0A CN103786505B (en) | 2014-03-05 | 2014-03-05 | The pencil sharpener of automatic entrance-exit pen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410077387.0A CN103786505B (en) | 2014-03-05 | 2014-03-05 | The pencil sharpener of automatic entrance-exit pen |
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| Publication Number | Publication Date |
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| CN103786505A CN103786505A (en) | 2014-05-14 |
| CN103786505B true CN103786505B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410077387.0A Active CN103786505B (en) | 2014-03-05 | 2014-03-05 | The pencil sharpener of automatic entrance-exit pen |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197508A (en) * | 2014-08-28 | 2014-12-10 | 上海锐漫能源科技有限公司 | Permanent magnet water heater |
| JP6074531B1 (en) | 2016-03-30 | 2017-02-01 | 株式会社大阪クリップ | Pencil sharpener |
| CN107284095A (en) * | 2017-08-10 | 2017-10-24 | 蔡汉鑫 | A kind of automatic Jin Bi mechanisms and penknife |
| CN108703529B (en) * | 2018-07-12 | 2022-04-19 | 胡素琴 | Convenient and practical's flexible clothes hanger device |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS57196599U (en) * | 1981-06-09 | 1982-12-13 | ||
| JP2012210711A (en) * | 2011-03-30 | 2012-11-01 | Osaka Clip:Kk | Pencil sharpener |
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| CN2584419Y (en) * | 2002-11-26 | 2003-11-05 | 上海坚明办公用品有限公司 | Improved structure of driving turntable of pencil sharpener |
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| CN103786505A (en) | 2014-05-14 |
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Effective date of registration: 20170522 Address after: 201400 No. six village, 737 South Bridge Town, Shanghai, Fengxian District Patentee after: Shanghai Han Shu Industry Co., Ltd. Address before: Lingxizhen Cangnan County of Wenzhou City, Zhejiang province 325899 top Dang Village No. 284 Patentee before: Wu Baoguo |