CN107139623A - Automatic pen feeding pencil sharpener - Google Patents
Automatic pen feeding pencil sharpener Download PDFInfo
- Publication number
- CN107139623A CN107139623A CN201710262862.5A CN201710262862A CN107139623A CN 107139623 A CN107139623 A CN 107139623A CN 201710262862 A CN201710262862 A CN 201710262862A CN 107139623 A CN107139623 A CN 107139623A
- Authority
- CN
- China
- Prior art keywords
- quiet
- shell
- dynamic
- clamping head
- guide pillar
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 claims abstract description 13
- 230000001141 propulsive effect Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- B43L23/002—Sharpeners for pencils or leads with continuous conveying means for the pencil
-
- 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
- B43L23/008—Sharpeners for pencils or leads with rotating cutting bodies
-
- 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
- B43L23/08—Sharpeners for pencils or leads in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The present invention proposes a kind of automatic pen feeding pencil sharpener, and shell lower end middle part sets coaming plate, cover plate is set between coaming plate upper end and shell；Set below cover plate and set quiet positive pole and quiet negative pole above battery cavities, internal battery, cover plate；Sliding panel is set in shell, there is guide pillar sliding panel lower end, and guide pillar is placed in coaming plate, the first dynamic clamping head and quiet clamping head is set between enclosure bottom below guide pillar；Guide pillar side wall sets chute, and coaming plate madial wall sets draw runner, and draw runner is placed in chute；Motor is set in guide pillar；Positive pole and dynamic negative pole are set below sliding panel；The output shaft of the rotation slot of setting tool top surface above sliding panel, rotation slot bottom and motor is fixed；Rotation slot inside bottom surface sets and sets solid pen device above topping machanism, topping machanism；Top surface sets door；Propulsive mechanism, including inner sleeve and outer tube are set on shell, the second dynamic clamping head and quiet clamping head is set therebetween；Outer tube top sets clamping device.The present invention can realize automatic sharpening pen, simple to operate；It is with low cost, it is easy to promote the use of on a large scale.
Description
Technical field
The present invention relates to Intelligent stationery technical field, specifically a kind of automatic pen feeding pencil sharpener.
Background technology
Pencil sharpener sharpens a pencil for student to be saved many times and adds enjoyment, but existing pencil sharpener is general all
It is manual, child is easily broken pencil taper using that will not grasp the rhythm and dynamics of swinging handle during Manual pencil sharpener,
Therefore existing pencil sharpener also needs to do more improvement.
Use for convenience, occur in that electronic pencil sharpener in industry, but existing electric pencil-sharpening unit often structure ratio
More complicated, cost is high, is not suitable for a wide range of popularization.
The content of the invention
The present invention proposes a kind of automatic pen feeding pencil sharpener, solves pencil sharpener in the prior art or manually inconvenience or cost is high
The problem of.
The technical proposal of the invention is realized in this way：
A kind of automatic pen feeding pencil sharpener, includes the shell of cylinder, the upper end open of the shell；The inner side of the shell
Coaming plate provided with cylinder in the middle part of lower end, the lower end of the coaming plate is fixed on the bottom surface of the shell, the upper end of the coaming plate
The cover plate of annular is provided between the shell；
The lower section of the cover plate, which is provided with battery cavities, the battery cavities, installs battery, is provided with above the cover plate quiet
Positive pole and quiet negative pole, the quiet positive pole are electrically connected with the positive pole of the battery, and the negative pole of the quiet negative pole and the battery is electrically connected
Connect；
It is provided with the inside of the shell in the middle part of a circular sliding panel, the lower end of the sliding panel with downwardly projecting
The guide pillar of cylinder, the guide pillar is placed on the inside of the coaming plate, is set between the lower section of the guide pillar and the bottom surface of the shell
It is equipped with the first dynamic clamping head and quiet clamping head；The chute of vertical direction extension, the madial wall of the coaming plate are provided with the side wall of the guide pillar
On be provided with the draw runner of vertical direction extension, the draw runner is placed in the chute；
Have in the guide pillar in accommodating chamber, the accommodating chamber and be equipped with motor, the output shaft of the motor is protruded upward；
Dynamic positive pole and dynamic negative pole are provided with below the sliding panel, the dynamic positive pole is electrically connected with the positive pole of the motor, it is described dynamic
Negative pole is electrically connected with the negative pole of the motor；The dynamic positive pole is relative up and down with the quiet positive pole, the dynamic negative pole with it is described quiet
Negative pole is relative up and down；
The rotation slot of cylinder is provided with above the sliding panel, the upper end of the rotation slot has top surface；Described turn
The bottom of dynamic groove and the output shaft of the motor are fixed；
It is provided with the inside bottom surface of the rotation slot above topping machanism, the topping machanism and is provided with solid pen dress
Put, the upper end open of the solid pen device is at the top surface；
Door is provided with the top surface；
Propulsive mechanism is provided with above the shell, the propulsive mechanism includes inner sleeve, and the upper end of the inner sleeve is set
The upper edge of outward bending is equipped with, the lower end of the inner sleeve is set on the housing by fix bar；The inner sleeve outer sheath
Provided with outer tube, the lower end of the outer tube is provided with the lower edge bent inwards；The overcoat is resisted against on the outside of the upper edge
On the inwall of pipe, on the outer wall that the inner sleeve is resisted against on the inside of the lower edge；It is provided with the inwall of the outer tube perpendicular
Sliding groove from Nogata to extension, it is described on along slide head is above provided with, the slide head is placed in the sliding groove；
The second dynamic clamping head and quiet clamping head is provided between the upper edge and lower edge；
The top of the outer tube is provided with clamping device.
Further, the upper surface of the sliding panel is provided with the rotation slideway of annular, and the bottom surface of the rotation slot is set
There is the rotation slide rail of annular, the rotation slide rail is placed in the rotation slideway.
Further, the topping machanism includes a housing, and the enclosure interior has the cutting chamber of turbination, described
It is provided with housing at the opening of vertical direction extension, the opening and is provided with blade.
Further, the solid pen device is cylindrical body.
Further, first dynamic clamping head and quiet clamping head and the second dynamic clamping head and quiet clamping head are spring.
Further, the clamping device is clip.
Further, the quantity of the fix bar is four, and 90 ° of interval angle is set.
Beneficial effects of the present invention are：
The automatic pen feeding pencil sharpener of the present invention is simple in construction, reasonable in design；First outer tube is pulled up, the elasticity of compression second is multiple
Position part, after pen is inserted into cutting chamber through propulsive mechanism, clamping device lives pen clip；After loosing one's grip, the second dynamic clamping head and quiet clamping head is received naturally
Contracting, pen is pressed downward, and then drives topping machanism to move down, and rotation slot and sliding panel stress glide so that dynamic positive pole and quiet positive pole
Connection, dynamic negative pole is connected with quiet negative pole, and battery is powered for motor, and motor is rotated, and is driven rotation slot and topping machanism to rotate, is realized
Cutting function；Meanwhile, under the elastic force effect of the second dynamic clamping head and quiet clamping head, with the progress of cutting, outer tube is gradually moved down, automatically
Send pen；The door of upper end, which is pulled down, just can pour out expense bits；The present invention can realize automatic sharpening pen, simple to operate；Cost
It is cheap, it is easy to promote the use of on a large scale.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the overlooking the structure diagram of one embodiment of the invention.
Wherein：
1st, shell；2nd, coaming plate；3rd, cover plate；4th, battery；5th, quiet positive pole；6th, quiet negative pole；7th, sliding panel；8th, guide pillar；9th, first
Dynamic clamping head and quiet clamping head；10th, chute；11st, draw runner；12nd, motor；13rd, positive pole is moved；14th, negative pole is moved；15th, rotation slot；16th, clamping device；
17th, the second dynamic clamping head and quiet clamping head；18th, solid pen device；19th, housing；20th, chamber is cut；21st, it is open；22nd, blade；23rd, door；24th, turn
Sliding way；25th, slide rail is rotated；26th, top surface；27th, inner sleeve；28th, upper edge；29th, fix bar；30th, outer tube；31st, lower edge；32、
Sliding groove；33rd, slide head.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1-2, the automatic pen feeding pencil sharpener in the present embodiment, includes the shell 1 of cylinder, the shell 1
Upper end open 21；Coaming plate 2 provided with cylinder in the middle part of the inside lower end of the shell 1, the lower end of the coaming plate 2 is fixed on described
On the bottom surface of shell 1, the cover plate 3 of annular is provided between the upper end of the coaming plate 2 and the shell 1.
The lower section of the cover plate 3, which is provided with battery cavities, the battery cavities, installs battery 4, and the battery 4 in the present embodiment is knob
Battery is detained, the top of the cover plate 3 is provided with quiet positive pole 5 and quiet negative pole 6, and the positive pole of the quiet positive pole 5 and the battery 4 is electrically connected
Connect, the quiet negative pole 6 is electrically connected with the negative pole of the battery 4.
The inner side of the shell 1 is provided with the middle part of a circular sliding panel 7, the lower end of the sliding panel 7 with convex downwards
The cylindrical guide pillar 8 gone out, the guide pillar 8 is placed in the inner side of coaming plate 2, the lower section of the guide pillar 8 and the bottom of the shell 1
It is provided between face in the first dynamic clamping head and quiet clamping head 9, the present embodiment, first dynamic clamping head and quiet clamping head 9 is spring；The guide pillar 8
The draw runner that vertical direction extension is provided with the chute 10 of vertical direction extension, the madial wall of the coaming plate 2 is provided with the wall of side
11, the draw runner 11 is placed in the chute 10, and when the guide pillar 8 is moved up and down in coaming plate 2, draw runner 11 can be in chute
Slided in 10, and draw runner 11 can avoid the rotation of guide pillar 8 in the axial direction with chute 10.
Have in the guide pillar 8 in accommodating chamber, the accommodating chamber and be equipped with motor 12, the output shaft of the motor 12 is upward
Stretch out；The lower section of the sliding panel 7 is provided with dynamic positive pole 13 and dynamic negative pole 14, the positive pole of the dynamic positive pole 13 and the motor 12
Electrical connection, the dynamic negative pole 14 is electrically connected with the negative pole of the motor 12；The dynamic positive pole 13 and the quiet positive pole phase about 5
Right, the dynamic negative pole 14 and the quiet negative pole are relative about 6.
The top of the sliding panel 7 is provided with the rotation slot 15 of cylinder, and the upper end of the rotation slot 15 has top surface 26；
The bottom of the rotation slot 15 and the output shaft of the motor 12 are fixed, then motor 12 can drive rotation slot 15 to rotate.
It is provided with the inside bottom surface of the rotation slot 15 above topping machanism, the topping machanism and is provided with solid pen dress
18 are put, the upper end open of the solid pen device 18 is at the top surface 26；In the present embodiment, the topping machanism includes a housing
19, the inside of housing 19 has the opening that vertical direction extension is provided with the cutting chamber 20 of turbination, the housing 19
21, it is described opening 21 at be provided with blade 22.The solid pen device 18 is cylindrical body.When cutting, pen is filled by solid pen
18 are put to be put into cutting chamber 20.
Door 23 is provided with the top surface 26.During cutting, door 23 is covered with, it is to avoid inside expense bits fly out, can after use
So that door 23 to be pulled down, expense bits are poured out.
The top of the shell 1 is provided with propulsive mechanism, and the propulsive mechanism includes inner sleeve 27, the inner sleeve 27 it is upper
End be provided with outward bending on along 28, the lower end of the inner sleeve 27 is arranged on the shell 1 by fix bar 29, this implementation
In example, the quantity of the fix bar 29 is four, and 90 ° of interval angle is set, and fix bar 29 does not interfere with the unlatching of door 23；It is described
The outer sheath of inner sleeve 27 is provided with outer tube 30, and the lower end of the outer tube 30 is provided with bend inwards lower along 31；The upper edge
28 outside is resisted against on the inwall of the outer tube 30, and the lower inner side along 31 is resisted against the outer wall of the inner sleeve 27
On；Be provided with the inwall of the outer tube 30 vertical direction extension sliding groove 32, it is described on slide head is provided with along along 28
33, the slide head 33 is placed in the sliding groove 32 so that outer tube 30 will not occur axially to turn relative to inner sleeve 27
It is dynamic.
On described along 28 and it is lower be provided with along between 31 in second dynamic clamping head and quiet clamping head 17, the present embodiment, it is described second elasticity
Return unit 17 is spring, is set on the inner sleeve 27.
The top of the outer tube 30 is provided with clamping device 16, the present embodiment, and the clamping device 16 is clip.
In the present embodiment, the upper surface of the sliding panel 7 is provided with the rotation slideway 24 of annular, the bottom of the rotation slot 15
Face is provided with the rotation slide rail 25 of annular, and the rotation slide rail 25 is placed in the rotation slideway 24.So, when rotation slot 15
During rotation, rotate slide rail 25 and rotating rotation in slideway 24, it is ensured that the stationarity that rotation slot 15 is rotated.
The present embodiment pulls up outer tube 30 in use, pinching clamping device 16 with hand, compresses the second dynamic clamping head and quiet clamping head 17,
Then pen is inserted into cutting chamber 20 through clamping device 16 and inner sleeve 27, lived pen clip with clamping device 16；After loosing one's grip, the
Two natural shrinkings of elastic reset 17, pen is pressed downward, and then drives topping machanism to move down, then the stress of the first dynamic clamping head and quiet clamping head 9
Shrink, rotation slot 15 and the slide downward of sliding panel 7, when sliding panel 7 is slided on cover plate 3, dynamic positive pole 13 is electrically connected with quiet positive pole 5
Connect, dynamic negative pole 14 is electrically connected with quiet negative pole 6, and battery 4 is connected with motor 12, and motor 12 obtains electric work, and motor 12 is rotated
Rotation slot 15 is driven to rotate, topping machanism and the solid concomitant rotation of pen device 18 are cut pen, the expense bits of generation, which are entered, to be turned
In dynamic groove 15；Meanwhile, under the elastic force effect of the second dynamic clamping head and quiet clamping head 17, with the progress of cutting, outer tube 30 is gradually moved down,
Automatic pen feeding.After the completion of cutting, pen is taken out out of clamping device 16, then the first dynamic clamping head and quiet clamping head 9 resets, by the He of rotation slot 15
Lift and reset on sliding panel 7, motor 12 disconnects with battery 4, and motor 12 is stopped, complete cutting at one time.Take when in rotation slot 15
When considering more to be worth doing, door 23 can be pulled down, expense bits are poured out.
The present embodiment can realize automatic sharpening pen, simple to operate；It is with low cost, it is easy to promote the use of on a large scale.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (7)
1. a kind of automatic pen feeding pencil sharpener, it is characterised in that include the shell of cylinder, the upper end open of the shell；It is described
Coaming plate provided with cylinder in the middle part of the inside lower end of shell, the lower end of the coaming plate is fixed on the bottom surface of the shell, described
The cover plate of annular is provided between the upper end of coaming plate and the shell；
The lower section of the cover plate, which is provided with battery cavities, the battery cavities, installs battery, and quiet positive pole is provided with above the cover plate
With quiet negative pole, the quiet positive pole is electrically connected with the positive pole of the battery, and the quiet negative pole is electrically connected with the negative pole of the battery；
Being provided with the inside of the shell in the middle part of a circular sliding panel, the lower end of the sliding panel has downwardly projecting cylinder
The guide pillar of shape, the guide pillar is placed on the inside of the coaming plate, is provided between the lower section of the guide pillar and the bottom surface of the shell
First dynamic clamping head and quiet clamping head；It is provided with the chute of vertical direction extension, the madial wall of the coaming plate and sets on the side wall of the guide pillar
The draw runner of vertical direction extension is equipped with, the draw runner is placed in the chute；
Have in the guide pillar in accommodating chamber, the accommodating chamber and be equipped with motor, the output shaft of the motor is protruded upward；It is described
Dynamic positive pole and dynamic negative pole are provided with below sliding panel, the dynamic positive pole is electrically connected with the positive pole of the motor, the dynamic negative pole
Electrically connected with the negative pole of the motor；The dynamic positive pole is relative up and down with the quiet positive pole, the dynamic negative pole and the quiet negative pole
It is relative up and down；
The rotation slot of cylinder is provided with above the sliding panel, the upper end of the rotation slot has top surface；The rotation slot
Bottom and the output shaft of the motor fix；
It is provided with the inside bottom surface of the rotation slot above topping machanism, the topping machanism and is provided with solid pen device, institute
The upper end open of solid pen device is stated at the top surface；
Door is provided with the top surface；
Propulsive mechanism is provided with above the shell, the propulsive mechanism includes inner sleeve, and the upper end of the inner sleeve is provided with
The upper edge of outward bending, the lower end of the inner sleeve is set on the housing by fix bar；The inner sleeve outer sheath is provided with
Outer tube, the lower end of the outer tube is provided with the lower edge bent inwards；The outer tube is resisted against on the outside of the upper edge
On inwall, on the outer wall that the inner sleeve is resisted against on the inside of the lower edge；Vertical side is provided with the inwall of the outer tube
To the sliding groove of extension, it is described on along slide head is above provided with, the slide head is placed in the sliding groove；
The second dynamic clamping head and quiet clamping head is provided between the upper edge and lower edge；
The top of the outer tube is provided with clamping device.
2. automatic pen feeding pencil sharpener as claimed in claim 1, it is characterised in that the upper surface of the sliding panel is provided with annular
Rotation slideway, the bottom surface of the rotation slot is provided with the rotation slide rail of annular, and the rotation slide rail is placed in described rotate and slided
In road.
3. automatic pen feeding pencil sharpener as claimed in claim 2, it is characterised in that the topping machanism includes a housing, described
Enclosure interior has to be set at the opening that vertical direction extension is provided with the cutting chamber of turbination, the housing, the opening
It is equipped with blade.
4. automatic pen feeding pencil sharpener as claimed in claim 3, it is characterised in that the solid pen device is cylindrical body.
5. automatic pen feeding pencil sharpener as claimed in claim 4, it is characterised in that first dynamic clamping head and quiet clamping head and the second elasticity
Return unit is spring.
6. automatic pen feeding pencil sharpener as claimed in claim 5, it is characterised in that the clamping device is clip.
7. automatic pen feeding pencil sharpener as claimed in claim 6, it is characterised in that the quantity of the fix bar is four, interval
90 ° of angles are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262862.5A CN107139623B (en) | 2017-04-20 | 2017-04-20 | Automatic pen feeding pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710262862.5A CN107139623B (en) | 2017-04-20 | 2017-04-20 | Automatic pen feeding pencil sharpener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107139623A true CN107139623A (en) | 2017-09-08 |
| CN107139623B CN107139623B (en) | 2018-12-28 |
Family
ID=59774304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710262862.5A Active CN107139623B (en) | 2017-04-20 | 2017-04-20 | Automatic pen feeding pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107139623B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839393A (en) * | 2017-11-13 | 2018-03-27 | 许昌市建安区实验中学 | A kind of portable hand-held electric pencil sharpener |
| CN109334316A (en) * | 2018-10-17 | 2019-02-15 | 陈林沫 | Press telescopic penknife and its working method |
| CN113386493A (en) * | 2021-06-30 | 2021-09-14 | 深圳市欣盛电子科技有限公司 | Automatic adjusting pencil sharpener |
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| CN202727774U (en) * | 2012-05-22 | 2013-02-13 | 刘宇轩 | Electric pencil sharpener |
| CN203766353U (en) * | 2014-01-08 | 2014-08-13 | 郑奖泗 | Propelling pencil automatic sharpener |
| CN105128576A (en) * | 2015-08-19 | 2015-12-09 | 郑州学生宝电子科技有限公司 | Electric type pencil sharpener for student |
| CN205220177U (en) * | 2015-12-28 | 2016-05-11 | 宁波伟书文具有限公司 | Pencil sharpener |
| CN105856929A (en) * | 2016-04-20 | 2016-08-17 | 淄博职业学院 | Pencil sharpener with adjustable cutting degree for card coating pencil for English exam and use method of pencil sharpener |
| CN205468167U (en) * | 2015-12-15 | 2016-08-17 | 舒芷珩 | Automatic grind pencil sharpener of refill |
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2017
- 2017-04-20 CN CN201710262862.5A patent/CN107139623B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202727774U (en) * | 2012-05-22 | 2013-02-13 | 刘宇轩 | Electric pencil sharpener |
| CN203766353U (en) * | 2014-01-08 | 2014-08-13 | 郑奖泗 | Propelling pencil automatic sharpener |
| CN105128576A (en) * | 2015-08-19 | 2015-12-09 | 郑州学生宝电子科技有限公司 | Electric type pencil sharpener for student |
| CN205468167U (en) * | 2015-12-15 | 2016-08-17 | 舒芷珩 | Automatic grind pencil sharpener of refill |
| CN205220177U (en) * | 2015-12-28 | 2016-05-11 | 宁波伟书文具有限公司 | Pencil sharpener |
| CN105856929A (en) * | 2016-04-20 | 2016-08-17 | 淄博职业学院 | Pencil sharpener with adjustable cutting degree for card coating pencil for English exam and use method of pencil sharpener |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107839393A (en) * | 2017-11-13 | 2018-03-27 | 许昌市建安区实验中学 | A kind of portable hand-held electric pencil sharpener |
| CN109334316A (en) * | 2018-10-17 | 2019-02-15 | 陈林沫 | Press telescopic penknife and its working method |
| CN109334316B (en) * | 2018-10-17 | 2020-10-27 | 陈林沫 | Pressing telescopic pencil sharpener and working method thereof |
| CN113386493A (en) * | 2021-06-30 | 2021-09-14 | 深圳市欣盛电子科技有限公司 | Automatic adjusting pencil sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107139623B (en) | 2018-12-28 |
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Effective date of registration: 20181102 Address after: 318050 No. 67, 4 District, Gu Ao village, Lunan street, Luqiao District, Taizhou, Zhejiang Applicant after: Xu Xuejiao Address before: 230000 Anhui science and Technology Park, Hefei high tech Zone, and 6 yuan 705, Applicant before: Anhui Yu Hui Electronic Science and Technology Co., Ltd. |
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