CN105196757A - Knife rest of pencil sharpener - Google Patents
Knife rest of pencil sharpener Download PDFInfo
- Publication number
- CN105196757A CN105196757A CN201510567317.8A CN201510567317A CN105196757A CN 105196757 A CN105196757 A CN 105196757A CN 201510567317 A CN201510567317 A CN 201510567317A CN 105196757 A CN105196757 A CN 105196757A
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- knife rest
- cutter shaft
- cutter
- supporting seat
- groove
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Abstract
The invention discloses a knife rest of a pencil sharpener. The knife rest of the pencil sharpener comprises a knife rest (1) and a hob shaft (2) equipped with a hob (14), wherein a shaft support seat (3) is arranged at one end of the knife rest (1), a shaft support (13) is arranged at the other end of the knife rest (1), two ends of the hob shaft (2) are mounted on the shaft support seat (3) and the shaft support (13) respectively, an angle adjusting device for adjusting the angle of the hob shaft (2) is arranged on the knife rest (1) and specially adopts a chute (4) arranged on the knife rest (1), and the shaft support seat (3) is in sliding fit in the chute (4). The knife rest of the pencil sharpener has the advantages of simple structure, simplicity in operation, low cost, high reliability and good cutting quality and can change the thickness of a pencil lead under the condition that the pencil lead cutting length is not changed.
Description
Technical field
The invention belongs to technical field of stationery, particularly relate to a kind of pencil sharpener knife rest.
Background technology
No matter be Manual pencil sharpener or electric pencil-sharpening unit, all adopt the hobboing cutter on the cutter shaft of fixed structure to plane to pencil, but in concrete drawing writing process, write and not only only use a kind of pen with painter, simultaneously because pen has different thicknesses, lead for retractable pencil has different soft and hard, when cutting refined lead or soft charcoal pen (abbreviation soft pen), compare rigid pen due to soft pen pen core and slightly will want soft and not wear-resisting, for making a draft, the large color tolerance of paving easily paints very soon, write to like with painters relative for soft pen cut longer, nib does not generally need too sharp and pen core is not divided into a centrum with xylem, cut once the more lasting of pen use.When cutting rigid, due to rigid pen will obstinately wear-resisting and also use rigid pen be mainly used in the later stage drawing deeply moulding, need sharpening to cut length, specialty painter also can have the length of different soft or hard pens the stage of drawing a picture different according to him, the blunt demand of point is cut, according to prior art, State Intellectual Property Office website discloses the pencil sharpener of a kind of adjustable pencil sharpener hobboing cutter cutter shaft and application thereof, application number is 2015200417128, utilize size two hobboing cutters to meet the length of different soft or hard pens and sharp blunt demand, namely utilize hobboing cutter to move around on hobboing cutter cutter shaft and change the length of cut of pen, thus change the thickness of pen core, cutting pen core is out thick and short or thin and grow, this complex structure, complicated operation, cost is high, reliability is low, also has a kind of pencil sharpener knife rest, the length utilizing axial limit pen to insert is to realize the adjustment of pencil-lead thickness, but change the length of pen core, when pen core needs thicker, the length of pen core can shorten, when pen core needs to attenuate, the length of pen core can be elongated, must change the thickness of pen core by changing length of cut in a word, pen core is thick and short is the embodiment of cutting quality difference, pen core too short service life directly reducing pencil.
Summary of the invention
Technical problem to be solved by this invention is: the defect overcoming above prior art, there is provided a kind of and change the thickness of pen core when not changing pen core length of cut and structure is simple, simple to operate, the pencil sharpener knife rest that cost is low, reliability is high and cutting quality is good.
The technical solution used in the present invention is: a kind of pencil sharpener knife rest, comprise knife rest and the hobboing cutter cutter shaft being provided with hobboing cutter, described knife rest one end is provided with cutter shaft supporting seat, the described knife rest other end is provided with cutter shaft support, the two ends of described hobboing cutter cutter shaft are arranged on cutter shaft supporting seat and cutter shaft support respectively, and described knife rest is provided with the angle regulator for regulating hobboing cutter cutter shaft angle.
After adopting above structure, the present invention compared with prior art has the following advantages: the angle regulating hobboing cutter cutter shaft, also just have adjusted the cutting angle of hobboing cutter, the length of different soft or hard pens and sharp blunt demand can be met like this, structure is simple simultaneously, simple to operate, cost is low and reliability is high, the present invention is owing to only changing the angle of hobboing cutter cutter shaft, so the thickness of pen core can be changed under the prerequisite not changing length of cut, so within the specific limits no matter the thickness of pen core how to change the length of pen core constant all the time, that greatly improves pen core use writes the life-span, do not need frequently to cut pen, cutting quality is good, namely only change cutting angle and do not change the length of cut of pen core method to change the thickness of pen core.
As preferably, described knife rest is provided with for regulating the angle regulator of hobboing cutter cutter shaft angle to refer to that knife rest is provided with chute, described cutter shaft supporting seat is slidably fitted in chute, gap is had between described hobboing cutter cutter shaft and cutter shaft support, the positioner making cutter shaft supporting seat be positioned at chute diverse location is provided with in described knife rest, gap is had between cutter shaft support and hobboing cutter cutter shaft, ensure that the cutting angle of hobboing cutter is adjustable, hobboing cutter cutter shaft with cutter shaft support for fulcrum swings up and down, cutter shaft supporting seat is arranged on knife rest, and cutter shaft supporting seat is slidably fitted in chute, the knife rest other end establishes cutter shaft support, hobboing cutter cutter shaft is arranged between cutter shaft supporting seat and cutter shaft support, hobboing cutter and hobboing cutter cutter shaft are rotatably assorted, hobboing cutter rotates and hobboing cutter cutter shaft does not rotate, regulate position inside chute of cutter shaft supporting seat thus have adjusted the angle position of hobboing cutter cutter shaft.
As preferably, described positioner refers in knife rest the passage being provided with and being communicated with chute, the angular adjustment bar be rotatably assorted in passage is provided with in described passage, one end of the described nearly chute of angular adjustment bar is provided with at least two along external peripheral surface distribution and the first draw-in groove of differing of the degree of depth, be provided with bottom described cutter shaft supporting seat first is protruding, described first protruding and the first draw-in groove clamping, the first described draw-in groove is rotatable, the first projection is utilized to be stuck in the first draw-in groove of different depth, such cutter shaft supporting seat just can be positioned at chute diverse location, also the change of the cutting angle of hobboing cutter can just be realized, by rotating the first projection to realize the clamping from the first different draw-in grooves, structure is simple, reliability is high.
As preferably, the quantity of the first described draw-in groove is three and the degree of depth between the first draw-in groove differs, and have three gears to switch, namely three kinds of cutting angles can be selected, the cutting of three kinds of different thicknesses pencil-leads can be met, the use of most of occasion can be used for.
As preferably, one end of the described nearly chute of angular adjustment bar is provided with adjusting rod locating piece angle adjusting rod being carried out to axial limiting, described adjusting rod locating piece and angular adjustment bar coaxial line, the groove that Open Side Down is provided with bottom described cutter shaft supporting seat, described adjusting rod locating piece is stuck in groove, the first described projection is between groove and passage, structure is simple, axial limiting is carried out to angle adjusting rod, prevent angular adjustment bar from running out of, reliability is high, is mainly stuck in groove by adjusting rod locating piece and realizes.
As preferably, the side of the described nearly chute of adjusting rod locating piece is provided with rotary stopper block, spacing preiection rotary stopper block being carried out to angle limit is provided with bottom described chute, angle limit is carried out to rotary stopper block, carry out spacing by spacing preiection to angle limited block, that is no matter be still rotated counterclockwise and can play position-limiting action clockwise when rotational angle adjusting rod, easy to use, prevent angular adjustment bar toward a undying rotation in direction, when angular adjustment bar turns clockwise, when arriving desired location, rotary stopper block one side contacts with the one side of spacing preiection, limited protruding bumping post realizes spacing, when angular adjustment bar is rotated counterclockwise, when arriving desired location, rotary stopper block another side contacts with the another side of spacing preiection, limited protruding bumping post realizes spacing.
As preferably, described cutter shaft supporting seat is provided with resistance block pencil cutting being carried out to axial limiting, and a described resistance block and cutter shaft supporting seat are integrated, a resistance block follows cutter shaft supporting seat to move together, both can not change the length of cut of pen, also can not damage pen core, reliability is high
As preferably, described cutter shaft supporting seat is provided with second protruding, and described hobboing cutter cutter shaft is provided with the second draw-in groove of the protruding clamping with second, and hobboing cutter cutter shaft can not be run out of, and reliability is high.
As preferably, described knife rest is provided with the spring for extending hobboing cutter cutter shaft or reset, described spring one end is fixed on knife rest, and the described spring other end is buckled on the second draw-in groove, the elastic force of spring can be utilized to extend or reset when hobboing cutter cutter shaft variation cutting angle.
As preferably, the described spring other end is free end, and installation and removal are convenient.
Accompanying drawing explanation
Fig. 1 is the stereogram of pencil sharpener knife rest knife rest of the present invention.
Fig. 2 is the stereogram of pencil sharpener knife rest knife rest of the present invention, cutter shaft supporting seat and adjusting rod.
Fig. 3 is the stereogram of pencil sharpener knife rest knife rest of the present invention and adjusting rod.
Fig. 4 is the stereogram of pencil sharpener knife rest adjusting rod of the present invention.
Fig. 5 is the stereogram of pencil sharpener knife rest of the present invention.
Fig. 6 is the stereogram of pencil sharpener knife rest cutter shaft supporting seat of the present invention.
Fig. 7 is the three-dimensional assembly diagram of pencil sharpener knife rest band spring of the present invention.
Wherein, 1, knife rest, 2, hobboing cutter cutter shaft, 3, cutter shaft supporting seat, 4, chute, 5, passage, 6, angular adjustment bar, 7, first is protruding, the 8, first draw-in groove, and 9, second is protruding, 10, the second draw-in groove, 11, spacing preiection, 12, rotary stopper block, 13, cutter shaft support, 14, hobboing cutter, 15, spring, 16, a block is hindered, 17, adjusting rod locating piece, 18, groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in the figure, the invention provides a kind of pencil sharpener knife rest, comprise knife rest 1 and the hobboing cutter cutter shaft 2 being provided with hobboing cutter 14, described knife rest 1 one end is provided with cutter shaft supporting seat 3, described knife rest 1 other end is provided with cutter shaft support 13, the two ends of described hobboing cutter cutter shaft 2 are arranged on cutter shaft supporting seat 3 and cutter shaft support 13 respectively, described knife rest 1 is provided with the angle regulator for regulating hobboing cutter cutter shaft 2 angle, advantage of the present invention is the angle regulating hobboing cutter cutter shaft 2, also just have adjusted the cutting angle of hobboing cutter, the length of different soft or hard pens and sharp blunt demand can be met like this, structure is simple simultaneously, simple to operate, cost is low and reliability is high, the present invention is owing to only changing the cutting angle of hobboing cutter cutter shaft 2, so the thickness of pen core can be changed under the prerequisite not changing length of cut, so within the specific limits no matter the thickness of pen core how to change the length of pen core constant all the time, that greatly improves pen core use writes the life-span, do not need frequently to cut pen, cutting quality is good, namely only change cutting angle and do not change the length of cut of pen core method to change the thickness of pen core, certain limit refers to that the cutting angle of hobboing cutter cutter shaft is in certain scope.
Described knife rest 1 is provided with for regulating the angle regulator of hobboing cutter cutter shaft 2 angle to refer to that knife rest 1 is provided with chute 4, described cutter shaft supporting seat 3 is slidably fitted in chute 4, gap is had between described hobboing cutter cutter shaft 2 and cutter shaft support 13, the positioner making cutter shaft supporting seat 3 be positioned at chute 4 diverse location is provided with in described knife rest 1, gap is had between cutter shaft support 13 and hobboing cutter cutter shaft 2, ensure that the cutting angle of hobboing cutter is adjustable, hobboing cutter cutter shaft 2 with cutter shaft support 13 for fulcrum swings up and down, cutter shaft supporting seat 3 is arranged on knife rest 1, and cutter shaft supporting seat 3 is slidably fitted in chute 4, the knife rest other end establishes cutter shaft support 13, hobboing cutter cutter shaft 2 is arranged between cutter shaft supporting seat 3 and cutter shaft support 13, regulate the position of cutter shaft supporting seat 3 inside chute 4 thus have adjusted the angle position of hobboing cutter cutter shaft 2, chute 4 is opening up.
Described positioner refers in knife rest 1 passage 5 being provided with and being communicated with chute 4, the angular adjustment bar 6 be rotatably assorted in passage 5 is provided with in described passage 5, one end of the nearly chute 4 of described angular adjustment bar 6 is provided with at least two along external peripheral surface distribution and the first draw-in groove 8 of differing of the degree of depth, the first projection 7 be provided with bottom described cutter shaft supporting seat 3, described first protruding 7 and first draw-in groove 8 clamping, the first described draw-in groove 8 is rotatable, the first projection 7 is utilized to be stuck in the first draw-in groove 8 of different depth, such cutter shaft supporting seat 3 just can be positioned at chute 4 diverse location, also the change of the cutting angle of hobboing cutter 14 can just be realized, the clamping from the first different draw-in grooves 8 is realized by rotating the first projection 7, structure is simple, reliability is high.
The quantity of the first described draw-in groove 8 is three and the degree of depth between the first draw-in groove 8 differs, and have three gears to switch, namely three kinds of cutting angles can be selected, and can meet the cutting of three kinds of different thicknesses pencil-leads, can be used for the use of most of occasion.
One end of the nearly chute 4 of described angular adjustment bar 6 is provided with the adjusting rod locating piece 17 angle adjusting rod 6 being carried out to axial limiting, described adjusting rod locating piece 17 and angular adjustment bar 6 coaxial line, the groove 18 that Open Side Down is provided with bottom described cutter shaft supporting seat 3, described adjusting rod locating piece 17 is stuck in groove 18, the first described projection 7 is between groove 18 and passage 5, structure is simple, axial limiting is carried out to angle adjusting rod 6, prevent angular adjustment bar 6 from running out of, reliability is high, is mainly stuck in groove 18 by adjusting rod locating piece 17 and realizes.
The side of the nearly chute 4 of described adjusting rod locating piece 17 is provided with rotary stopper block 12, the spacing preiection 11 rotary stopper block 12 being carried out to angle limit is provided with bottom described chute 4, angle limit is carried out to rotary stopper block 12, undertaken spacing by spacing preiection 11 pairs of angle limited blocks 12, that is rotational angle adjusting rod 6 time no matter be still rotated counterclockwise and can play position-limiting action clockwise, easy to use, prevent angular adjustment bar 6 toward a undying rotation in direction, when angular adjustment bar 6 turns clockwise, when arriving desired location, rotary stopper block 12 one side contacts with the one side of spacing preiection 11, limited protruding 11 bumping posts realize spacing, when angular adjustment bar 6 is rotated counterclockwise, when arriving desired location, rotary stopper block 12 another side contacts with the another side of spacing preiection 11, limited protruding 11 bumping posts realize spacing.
Described cutter shaft supporting seat 3 is provided with the resistance block 16 pencil cutting being carried out to axial limiting, a described resistance block 16 is integrated with cutter shaft supporting seat 3, and a resistance block 16 follows cutter shaft supporting seat 3 to move together, both can not change the length of cut of pen, also can not damage pen core, reliability is high.
Described cutter shaft supporting seat 3 is provided with the second projection 9, and described hobboing cutter cutter shaft 2 is provided with the second draw-in groove 10 of protruding 9 clampings with second, and hobboing cutter cutter shaft 2 can not be run out of, and reliability is high.
Described knife rest 1 is provided with for the spring 15 extended hobboing cutter cutter shaft 2 or reset, described spring 15 one end is fixed on knife rest 1, described spring 15 other end is buckled on the second draw-in groove 10, and the elastic force of spring 15 can be utilized when hobboing cutter cutter shaft 2 changes cutting angle to extend or reset.
Described spring 15 other end is free end, and installation and removal are convenient.
Specifically, principle of the present invention is the angle regulating hobboing cutter cutter shaft 2, also just have adjusted the cutting angle of hobboing cutter instead of axial adjustment method to the blunt demand of the length and point that meet different soft or hard pens, structure is simple simultaneously, simple to operate, cost is low and reliability is high, the present invention is owing to only changing the cutting angle of hobboing cutter cutter shaft 2, so the thickness of pen core can be changed under the prerequisite not changing length of cut, so within the specific limits no matter the thickness of pen core how to change the length of pen core constant all the time, the time that pen core uses is long, do not need frequently to cut pen, cutting quality is good, namely only change cutting angle and do not change the length of cut of pen core method to change the thickness of pen core, certain limit refers to that the cutting angle of hobboing cutter cutter shaft is in certain scope, gap is had between cutter shaft support 13 and hobboing cutter cutter shaft 2, ensure that hobboing cutter cutter shaft 2 is adjustable, meet the length of different soft or hard pens and sharp blunt demand, just need the cutting angle changing hobboing cutter, namely change the position of hobboing cutter cutter shaft 2, required cutting angle is first mixed up when using, by rotational angle adjusting rod 6, that the first projection 7 is stuck in the first required draw-in groove 8, because cover on knife rest 1 has external gear, hobboing cutter cutter shaft 2 nearly cutter shaft supporting seat 3 one end cover has hobboing cutter gear, gears meshing is in external gear, act on external gear by rotating turret 1 and drive hobboing cutter gear to rotate, hobboing cutter 14 thus pencil is cut, be no matter clockwise when rotary stopper block 12 rotates or all limited protruding 11 can carry out angle limit counterclockwise, that is the limited angle of rotary stopper block 12 rotation, angle is less than 360 °.
Spring 15 also can change extension spring, torsion spring or stage clip into.
In addition, the angular adjustment of hobboing cutter cutter shaft 2 is not limited thereto, and also can utilize the adjustment that cam, eccentric wheel, conical surface body come hobboing cutter cutter shaft 2, thus changes the change of hobboing cutter 14 pairs of pencil cutting angles.Cutter shaft supporting seat 3 can be utilized in addition to move back and forth along knife rest 1 axis direction the cutting angle regulating hobboing cutter 14, and the surface that hobboing cutter cutter shaft 2 contacts with cutter shaft supporting seat 3 also can be inclined-plane, changes the cutting angle of hobboing cutter 14.
Just preferred embodiment of the present invention is described above, but can not be interpreted as it is limitations on claims.The present invention is not only confined to above embodiment, and its concrete structure allows to change, and all various changes done in the protection domain of demand for independence of the present invention are all in protection scope of the present invention.
Claims (10)
1. a pencil sharpener knife rest, comprise knife rest (1) and the hobboing cutter cutter shaft (2) of hobboing cutter (14) is installed, described knife rest (1) one end is provided with cutter shaft supporting seat (3), described knife rest (1) other end is provided with cutter shaft support (13), the two ends of described hobboing cutter cutter shaft (2) are arranged on cutter shaft supporting seat (3) and cutter shaft support (13) respectively, it is characterized in that: described knife rest (1) is provided with the angle regulator for regulating hobboing cutter cutter shaft (2) angle.
2. pencil sharpener knife rest according to claim 1, it is characterized in that: described knife rest (1) is provided with for regulating the angle regulator of hobboing cutter cutter shaft (2) angle to refer to that knife rest (1) is provided with chute (4), described cutter shaft supporting seat (3) is slidably fitted in chute (4), there is gap between described hobboing cutter cutter shaft (2) and cutter shaft support (13), in described knife rest (1), be provided with the positioner making cutter shaft supporting seat (3) be positioned at chute (4) diverse location.
3. pencil sharpener knife rest according to claim 2, it is characterized in that: described positioner refers in knife rest (1) passage (5) being provided with and being communicated with chute (4), the angular adjustment bar (6) be rotatably assorted in passage (5) is provided with in described passage (5), one end of the nearly chute (4) of described angular adjustment bar (6) is provided with at least two along external peripheral surface distribution and the first draw-in groove (8) of differing of the degree of depth, the first projection (7) that described cutter shaft supporting seat (3) bottom is provided with, described the first projection (7) and the first draw-in groove (8) clamping, described the first draw-in groove (8) is rotatable.
4. pencil sharpener knife rest according to claim 3, is characterized in that: the quantity of described the first draw-in groove (8) is three and the degree of depth between the first draw-in groove (8) differs.
5. pencil sharpener knife rest according to claim 3, it is characterized in that: the side of the nearly chute (4) of described angular adjustment bar (6) is provided with the adjusting rod locating piece (17) angle adjusting rod (6) being carried out to axial limiting, described adjusting rod locating piece (17) and angular adjustment bar (6) coaxial line, described cutter shaft supporting seat (3) bottom is provided with the groove (18) that Open Side Down, described adjusting rod locating piece (17) is stuck in groove (18), described the first projection (7) is positioned between groove (18) and passage (5).
6. pencil sharpener knife rest according to claim 5, it is characterized in that: the side of the nearly chute (4) of described adjusting rod locating piece (17) is provided with rotary stopper block (12), described chute (4) bottom is provided with the spacing preiection (11) rotary stopper block (12) being carried out to angle limit.
7. pencil sharpener knife rest according to claim 2, it is characterized in that: described cutter shaft supporting seat (3) is provided with the resistance block (16) pencil cutting being carried out to axial limiting, a described resistance block (16) and cutter shaft supporting seat (3) are integrated.
8. pencil sharpener knife rest according to claim 2, it is characterized in that: described cutter shaft supporting seat (3) is provided with the second projection (9), described hobboing cutter cutter shaft (2) is provided with the second draw-in groove (10) with the second projection (9) clamping.
9. pencil sharpener knife rest according to claim 1, it is characterized in that: described knife rest (1) is provided with for the spring (15) extended hobboing cutter cutter shaft (2) or reset, described spring (15) one end is fixed on knife rest (1), and described spring (15) other end is buckled on the second draw-in groove (10).
10. pencil sharpener knife rest according to claim 9, is characterized in that: described spring (15) other end is free end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567317.8A CN105196757B (en) | 2015-09-09 | 2015-09-09 | Pencil sharpener knife rest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510567317.8A CN105196757B (en) | 2015-09-09 | 2015-09-09 | Pencil sharpener knife rest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105196757A true CN105196757A (en) | 2015-12-30 |
| CN105196757B CN105196757B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510567317.8A Active CN105196757B (en) | 2015-09-09 | 2015-09-09 | Pencil sharpener knife rest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105196757B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108422779A (en) * | 2018-06-11 | 2018-08-21 | 郑高伟 | A kind of adjustable pencil sharpener hob arbor carriage |
| CN109623712A (en) * | 2018-09-30 | 2019-04-16 | 得力集团有限公司 | A kind of knife rest automatic assembling |
| CN109677170A (en) * | 2019-01-31 | 2019-04-26 | 雪松 | A kind of novel pencil sharpener cutter frame structure |
| CN112590435A (en) * | 2021-01-05 | 2021-04-02 | 陈军 | Knife rest of pencil sharpener |
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| CN109623712A (en) * | 2018-09-30 | 2019-04-16 | 得力集团有限公司 | A kind of knife rest automatic assembling |
| CN109677170A (en) * | 2019-01-31 | 2019-04-26 | 雪松 | A kind of novel pencil sharpener cutter frame structure |
| CN112590435A (en) * | 2021-01-05 | 2021-04-02 | 陈军 | Knife rest of pencil sharpener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105196757B (en) | 2018-03-20 |
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