CN110605931A - Three-blade pencil sharpener - Google Patents
Three-blade pencil sharpener Download PDFInfo
- Publication number
- CN110605931A CN110605931A CN201910705127.6A CN201910705127A CN110605931A CN 110605931 A CN110605931 A CN 110605931A CN 201910705127 A CN201910705127 A CN 201910705127A CN 110605931 A CN110605931 A CN 110605931A
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- China
- Prior art keywords
- material collecting
- tool rest
- pencil
- collecting barrel
- barrel
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- Pending
Links
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method 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
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- Drawing Aids And Blackboards (AREA)
Abstract
A three-blade pencil sharpener is characterized in that a tubular guide pencil nozzle at the bottom of a guide pencil insertion tube can be downwards inserted into a circular sleeve on the top surface of a sharpener body, so that the purpose that the guide pencil insertion tube is connected above the sharpener body is achieved; the middle lower end of the tool rest body can be downwards embedded into the material collecting barrel to achieve the purpose that the tool rest body is embedded above the material collecting barrel; the pencil sharpener body is formed by combining the guide pencil inserting tube positioned above, the tool rest body positioned in the middle and the material collecting tube positioned below. The pencil sharpener has the characteristics of novel structure, high sharpening speed, difficult sharpening of the pencil lead and higher practicability.
Description
Technical Field
The invention relates to a three-blade pencil sharpener.
Background
The pencil sharpener commonly used at present generally only has one blade, and the problem of low sharpening speed exists in the practical use process of the pencil sharpener, and in addition, the pencil lead is frequently cut off due to overlarge unidirectional torque when the pencil is rotationally sharpened by the single-blade pencil sharpener.
Disclosure of Invention
In order to solve the problems, the invention provides a three-blade pencil sharpener which has the characteristics of novel structure, high pencil sharpening speed, difficult pencil lead breaking and higher practicability.
In order to achieve the purpose, the invention is realized by the following technical scheme: a three-blade pencil sharpener is composed of a guide pencil vase, a sharpener frame and a material collecting barrel and is characterized in that,
the bottom tubular guide pen nozzle of the guide pen inserting tube can be downwards inserted into the annular sleeve on the top surface of the knife rest body, so that the aim of connecting the guide pen inserting tube above the knife rest body is fulfilled;
the middle lower end of the tool rest body can be downwards embedded into the material collecting barrel to achieve the purpose that the tool rest body is embedded above the material collecting barrel;
the pencil sharpener body is formed by combining the guide pencil inserting tube positioned above, the tool rest body positioned in the middle and the material collecting tube positioned below;
the guide pen inserting barrel comprises a triangular prism-shaped barrel body and a tubular guide pen mouth, the top surface of the triangular prism-shaped barrel body is open, a tubular guide pen mouth protruding downwards is integrally formed at the center of the bottom surface of the triangular prism-shaped barrel body, and a hollow tube cavity of the tubular guide pen mouth can be used for inserting a pencil;
the tool rest body comprises a triangular seat head, three oblique tool rest rods and three rectangular blades, wherein a circular sleeve is integrally formed in the middle of the triangular seat head, a tubular guide pen nib at the bottom of the triangular prism-shaped cylinder body can be downwards inserted into a tube cavity of the circular sleeve, the three oblique tool rest rods are integrally formed on the bottom surface of the triangular seat head, the three oblique tool rest rods are distributed around the circular sleeve in a trisection mode, a circular screw hole I is integrally formed in the middle of each oblique tool rest rod, a circular screw hole II is integrally formed in the middle of each rectangular blade, each oblique tool rest rod can be correspondingly provided with one rectangular blade, and the rectangular blades and the oblique tool rest rods are fastened and connected through screwing screws after the circular screw holes I and the circular screw holes II are aligned;
the inclination angle of each oblique cutter frame rod is 30-60 degrees;
the cutting edge of each rectangular blade faces inwards, the inclination angle of each rectangular blade is the same as that of the oblique cutter frame rod, and the three rectangular blades are staggered with each other so as to achieve the cutting purpose;
the bottoms of the three oblique cutter frame rods are connected, and the middle parts of the connected parts are upwards sunken to form a triangular positioning groove;
the three inner side walls of the material collecting barrel are integrally formed with a protruding buckle strip;
three oblique cutter frame rods provided with rectangular blades can be downwards embedded into the material collecting barrel until the triangular positioning grooves are sleeved into the triangular positioning blocks and are fixed through the three buckling strips, and the outer edge of the bottom surface of the triangular seat head can be pressed above the edge of the top surface of the material collecting barrel.
The pencil sharpener is provided with the three rectangular blades, so the three rectangular blades can simultaneously sharpen the pencil, and the three rectangular blades can keep the pencil at the position of the circle center all the time in the rotary cutting process of the pencil, thereby greatly reducing the probability of the pencil lead being cut off.
The triangular positioning groove is also beneficial to the die opening of the oblique knife rest rod.
The pencil sharpener has the advantages of being novel in structure, high in sharpening speed, not prone to being broken and high in practicability.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a perspective view of the overall assembly of the present invention;
FIG. 2 is a schematic view of a depression angle perspective of the guide pen container of the present invention;
FIG. 3 is a schematic view of a depression angle perspective of the holder body according to the present invention;
FIG. 4 is a perspective view of the combined structure of the holder body and the guide pen container in elevation according to the present invention;
fig. 5 is a schematic elevation perspective view of the material collecting barrel of the present invention.
In the figure: a1-triangular prism type barrel, A2-tubular guide pen mouth, B1-triangular seat head, B11-circular sleeve, B2-oblique knife rest rod, B21-triangular positioning groove, B3-rectangular blade, C-material collecting barrel and C1-triangular positioning block.
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a three-blade pencil sharpener is composed of a guide pencil vase, a sharpener body and a material collecting barrel C, and is characterized in that,
the bottom tubular guide pen nozzle A2 of the guide pen inserting tube can be downwards inserted into the circular sleeve B11 on the top surface of the knife rest body, so that the aim of connecting the guide pen inserting tube above the knife rest body is fulfilled;
the middle lower end of the tool rest body can be downwards embedded into the material collecting barrel C from the surface to realize the purpose that the tool rest body is embedded above the material collecting barrel C;
the pencil sharpener body is formed by combining a guide pencil inserting tube positioned above, a tool rest body positioned in the middle and a material collecting tube C positioned below;
the guide pen inserting barrel comprises a triangular prism-shaped barrel A1 and a tubular guide pen mouth A2, the top surface of the triangular prism-shaped barrel A1 is open, a downward protruding tubular guide pen mouth A2 is integrally formed at the center of the bottom surface of the triangular prism-shaped barrel A1, and a hollow tube cavity of the tubular guide pen mouth A2 can be used for inserting a pencil;
wherein, the tool holder body comprises a triangular seat head B1, three oblique tool rest rods B2 and three rectangular blades B3, a circular sleeve B11 is integrally formed in the middle of the triangular seat head B1, a tubular guide pen nib A2 at the bottom of a triangular prism-shaped cylinder A1 can be downwards inserted into a tube cavity of the circular sleeve B11, three oblique tool rest rods B2 are integrally formed on the bottom surface of the triangular seat head B1, the three oblique cutter frame rods B2 are distributed around the circular sleeve B11 in a trisection mode, the middle of each oblique cutter frame rod B2 is integrally formed with a first circular screw hole, the middle of each rectangular cutter blade B3 is integrally formed with a second circular screw hole, each oblique cutter frame rod B2 can be correspondingly provided with a rectangular cutter blade B3, and the first circular screw hole and the second circular screw hole are aligned and then fastened by screwing a screw to realize the fastening connection of the rectangular cutter blade B3 and the oblique cutter frame rod B2;
the inclination angle of each oblique cutter frame rod B2 is 30-60 degrees;
the cutting edge of each rectangular blade B3 faces inwards, the inclination angle of each rectangular blade B3 is the same as that of the oblique cutter frame rod B2, and the three rectangular blades B3 are staggered with each other so as to achieve the cutting purpose;
the bottoms of the three oblique cutter frame rods B2 are connected, and the middle parts of the connected parts are upwards sunken to form a triangular positioning groove B21;
the material collecting barrel C is of a triangular prism structure, the top surface of the material collecting barrel C is open, the middle of the bottom surface of the material collecting barrel C protrudes upwards to form a triangular positioning block C1, and three inner side walls of the material collecting barrel C are integrally formed with a protruding buckle strip;
three oblique cutter frame rods B2 provided with rectangular blades B3 can be downwards embedded into the material collecting barrel C until the triangular positioning grooves B21 are sleeved into the triangular positioning blocks C1 and fixed through three buckling strips, and the outer edge of the bottom surface of the triangular seat head B1 can be pressed above the edge of the top surface of the material collecting barrel C.
Claims (1)
1. A three-blade pencil sharpener is composed of a guide pencil vase, a sharpener frame and a material collecting barrel (C), and is characterized in that,
the bottom tubular guide pen nozzle (A2) of the guide pen inserting tube can be downwards inserted into the circular sleeve (B11) on the top surface of the knife rest body, so that the aim of connecting the guide pen inserting tube above the knife rest body is fulfilled;
the middle lower end of the tool rest body can be downwards embedded into the material collecting barrel (C) from the surface to realize the purpose that the tool rest body is embedded above the material collecting barrel (C);
the pencil sharpener body is formed by combining a guide pencil inserting tube positioned above, a tool rest body positioned in the middle and a material collecting tube (C) positioned below;
the guide pen inserting barrel comprises a triangular prism-shaped barrel body (A1) and a tubular guide pen nozzle (A2), the top surface of the triangular prism-shaped barrel body (A1) is open, a downward-protruding tubular guide pen nozzle (A2) is integrally formed at the center of the bottom surface of the triangular prism-shaped barrel body (A1), and a hollow tube cavity of the tubular guide pen nozzle (A2) can be used for inserting a pencil;
wherein, the tool holder body includes triangle-shaped seat head (B1), three slant tool rest poles (B2), three rectangle blade (B3), the middle part integrated into one piece of triangle-shaped seat head (B1) has a ring shape sleeve pipe (B11), the tubulose direction nib (A2) of triangle-shaped prism type barrel (A1) bottom can insert in the lumen of this ring shape sleeve pipe (B11) downwards, the bottom surface integrated into one piece of triangle-shaped seat head (B1) has three slant tool rest poles (B2), these three slant tool rest poles (B2) distribute around ring shape sleeve pipe (B11) with the mode of trisection, the middle part of every slant tool rest pole (B2) all integrated into one piece has a circular screw hole one, the middle part of every rectangle blade (B3) all integrated into one piece has a circular screw hole two, every slant tool rest pole (B2) all can correspond installation one tool rest pole (B3), the circular screw hole one realizes through screwing with circular screw hole two pairs back that the rectangle blade (B3) and slant tool rest pole (B2) are screwed ) The fastening connection of (2);
the inclination angle of each oblique cutter frame rod (B2) is 30-60 degrees;
the cutting edge of each rectangular blade (B3) faces inwards, the inclination angle of each rectangular blade (B3) is the same as that of the oblique knife rest rod (B2), and three rectangular blades (B3) are staggered with each other to achieve the cutting purpose;
the bottoms of the three oblique cutter frame rods (B2) are connected, and the middle parts of the connected parts are upwards sunken to form a triangular positioning groove (B21);
the material collecting barrel (C) is of a triangular prism structure, the top surface of the material collecting barrel (C) is open, the middle part of the bottom surface of the material collecting barrel (C) protrudes upwards to form a triangular positioning block (C1), and three inner side walls of the material collecting barrel (C) are integrally formed with a protruding buckle strip;
three oblique cutter frame rods (B2) provided with rectangular blades (B3) can be downwards embedded into the material collecting barrel (C) until the triangular positioning grooves (B21) are sleeved into the triangular positioning blocks (C1) and are fixed through three buckling strips, and the outer edge of the bottom surface of the triangular seat head (B1) can be pressed above the edge of the top surface of the material collecting barrel (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705127.6A CN110605931A (en) | 2019-08-01 | 2019-08-01 | Three-blade pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910705127.6A CN110605931A (en) | 2019-08-01 | 2019-08-01 | Three-blade pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110605931A true CN110605931A (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910705127.6A Pending CN110605931A (en) | 2019-08-01 | 2019-08-01 | Three-blade pencil sharpener |
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| CN (1) | CN110605931A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2264679Y (en) * | 1996-05-28 | 1997-10-15 | 王智勇 | Propelling pencil capable of rotary sharpening lead |
| CN2723223Y (en) * | 2004-03-19 | 2005-09-07 | 刘森方 | Pencil sharpener |
| CN201922808U (en) * | 2011-01-10 | 2011-08-10 | 李震玉 | Pencil sharpener with three-cutter type structure |
| CN202293956U (en) * | 2011-09-02 | 2012-07-04 | 张意立 | Three-blade pencil sharpener |
| CN202573548U (en) * | 2012-03-27 | 2012-12-05 | 辉柏嘉(广州)文具有限公司 | Environmental-friendly pencil sharpener |
| CN204383034U (en) * | 2014-03-02 | 2015-06-10 | 倪国森 | Multi-functional double-pole twolip car graver of avoiding the peak hour |
| US20150224816A1 (en) * | 2014-02-12 | 2015-08-13 | Melissa & Doug, Llc | Sharpener for marking instruments |
| CN205168003U (en) * | 2015-11-06 | 2016-04-20 | 龚明 | Double blade penknife |
| CN208069218U (en) * | 2017-07-24 | 2018-11-09 | 三木控股集团有限公司 | A kind of pencil-sharpening device |
| CN211166142U (en) * | 2019-08-01 | 2020-08-04 | 泉州天育文具有限公司 | Three-blade pencil sharpener |
-
2019
- 2019-08-01 CN CN201910705127.6A patent/CN110605931A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2264679Y (en) * | 1996-05-28 | 1997-10-15 | 王智勇 | Propelling pencil capable of rotary sharpening lead |
| CN2723223Y (en) * | 2004-03-19 | 2005-09-07 | 刘森方 | Pencil sharpener |
| CN201922808U (en) * | 2011-01-10 | 2011-08-10 | 李震玉 | Pencil sharpener with three-cutter type structure |
| CN202293956U (en) * | 2011-09-02 | 2012-07-04 | 张意立 | Three-blade pencil sharpener |
| CN202573548U (en) * | 2012-03-27 | 2012-12-05 | 辉柏嘉(广州)文具有限公司 | Environmental-friendly pencil sharpener |
| US20150224816A1 (en) * | 2014-02-12 | 2015-08-13 | Melissa & Doug, Llc | Sharpener for marking instruments |
| CN204383034U (en) * | 2014-03-02 | 2015-06-10 | 倪国森 | Multi-functional double-pole twolip car graver of avoiding the peak hour |
| CN205168003U (en) * | 2015-11-06 | 2016-04-20 | 龚明 | Double blade penknife |
| CN208069218U (en) * | 2017-07-24 | 2018-11-09 | 三木控股集团有限公司 | A kind of pencil-sharpening device |
| CN211166142U (en) * | 2019-08-01 | 2020-08-04 | 泉州天育文具有限公司 | Three-blade pencil sharpener |
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