CN205033823U - Double blade pencil sharpener - Google Patents
Double blade pencil sharpener Download PDFInfo
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- CN205033823U CN205033823U CN201520803935.3U CN201520803935U CN205033823U CN 205033823 U CN205033823 U CN 205033823U CN 201520803935 U CN201520803935 U CN 201520803935U CN 205033823 U CN205033823 U CN 205033823U
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- blade
- knife rest
- pencil
- hole
- cutting
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Abstract
The utility model discloses a double blade pencil sharpener, including knife rest (1), first blade (4) and second blade (5), knife rest (1) one side is equipped with and supplies pencil (8) male patchhole (2), knife rest (1) inside be equipped with with the cutting of the taper shape of patchhole (2) intercommunication a hole (3), cutting about a hole (3) both sides and being equipped with the opening, lower part on knife rest (1) is installed and the cutting edge of blade lies in the opening of cutting a hole (3) to two blades, the cutting edge of first blade (4) is parallel or coincident at projected two straight lines of bottom surface with the the central axis who cuts a hole (3), the cutting edge of second blade (5) is crossing at projected two straight lines of bottom surface with the the central axis who cuts a hole (3). The utility model provides a cutting stability, long service life, difficult off -centre, the pen -holder subtotal refill part smooth double blade pencil sharpener in surface who is difficult for cutting disconnected refill and has cut.
Description
Technical field
The utility model relates to technical field of stationery, is specifically related to a kind of Double-blade rotational pencil-sharpener.
Background technology
Pencil sharpener is a kind of common stationery, generally all there is one and cut a hole for the conical of pencil insertion, the knife rest of pencil sharpener is fixed with the blade of one piece of sharpening pencil, the blade inwardly projecting of blade cuts a hole inwall in conical, during use, pencil is inserted and rotated a few, just the insertion end of pencil volume can be whittled into conical for use, and there is life-span low, easy bias, easily cut the problems such as disconnected pen core in this pencil sharpener, compared with single blade, double blade is cut simultaneously and is provided more stable cutting force, solve the single blade life-span low, easy bias, easily cut the problem of disconnected pen core, but this pencil sharpener blade rotates to be axial line Central Symmetry layout with pencil, two blades cut simultaneously and cutting resistance are doubled, two centrosymmetric blade arrangement make the necessary opening fixed blade completely in knife rest both sides, knife rest strength ratio is more weak, easily strut when cutting energetically knife rest cause knife rest to rupture or stability inadequate, distortion causes cutting not smooth, pen core easily breaks, and easily provide uneven cutting force due to the fabrication error of two blade alignment errors or knife-blade, cause the rod part surface of the pencil simultaneously cut rough, also can cause that the nib of the pencil simultaneously cut is rough even to rupture.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of cut stable, long service life, not easily eccentric, not easily cut disconnected pen core and the penholder part of having cut and the smooth Double-blade rotational pencil-sharpener of pen core part surface.
The technical scheme in the invention for solving the above technical problem is: a kind of Double-blade rotational pencil-sharpener, comprise knife rest, first blade and the second blade, described knife rest side is provided with the patchhole inserted for pencil, described knife rest inside is provided be communicated with patchhole conical and cuts a hole, described upper and lower both sides, a hole of cutting are provided with opening, two pieces of blades be arranged on knife rest top and the bottom and the blade of blade be positioned at cut a hole opening on, two straight line parallels that the blade of described first blade and the central axis cutting a hole project in bottom surface or coincidence, two straight line intersection that the blade of described second blade and the central axis cutting a hole project in bottom surface.
Compared with prior art, the utility model has the advantage of: when the Double-blade rotational pencil-sharpener described in use cuts pencil, first blade first cuts the rod part of pencil, continue feeding pencil, second blade starts the rod part of assisted machining pencil, two panels blade cut, provide stable cutting force, and produce the problem that component squeezes off blade after effectively improving the wearing and tearing of single blade cutting edge, blade long service life, and it is not easily eccentric, two straight line parallels that the blade of the first blade and the central axis cutting a hole project in bottom surface or coincidence, two straight line intersection that the blade of described second blade and the central axis cutting a hole project in bottom surface, in other words, first knife-blade and the opening parallel cutting a hole, first blade is responsible for rod part and the pen core part of overall sharpening pencil, second knife-blade is crossing with the opening cutting a hole, second blade is responsible for cutting the rod part near pen core and pen core part, auxiliary first blade carries out further upper cut to pen core, by the cooperation sharpening pencil of two pieces of blades, not easily cut disconnected pen core and cut after rod part and pen core part surface smooth.
Improve as one of the present utility model, described knife rest be provided be positioned at first at least one place, blade two ends and for by first blade insert after the stopper slot of close-fitting on knife rest, described stopper slot provides the pressure be close on knife rest when the first blade cut, avoid pencil sharpener when cutting pencil, the recoil strength that first blade is subject to pencil causes first blade one end to tilt or springing, thus the problem in the stability of impact cutting and the service life of blade.
A kind of improvement is also had as of the present utility model, described knife rest be provided be positioned at second at least one place, blade two ends and for by second blade insert after the stopper slot of close-fitting on knife rest, described stopper slot provides the pressure be close on knife rest when the second blade cut, avoid pencil sharpener when cutting pencil, the recoil strength that second blade is subject to pencil causes second blade one end to tilt or springing, thus the problem in the stability of impact cutting and the service life of blade.
A kind of improvement is also had as of the present utility model, blade installation position in described knife rest and the dowel be provided with between knife rest inwall for increasing knife rest bulk strength, described dowel can increase knife rest bulk strength, avoid because knife rest stability not, distortion causes cutting the problem that not smooth, pen core easily breaks.
A kind of improvement is also had as of the present utility model, described first blade and the second blade are two pieces of blades of same specification, after Double-blade rotational pencil-sharpener uses for a long time, it is serious that the second blade abrasion compared by first blade, now the first blade and the second blade can be exchanged and install, increase the service life of Double-blade rotational pencil-sharpener.
Also have a kind of improvement as of the present utility model, described in cut a bore end and be provided with cavity, by described improvement, if Double-blade rotational pencil-sharpener cuts disconnected pen core when to cut, disconnected core can drop out knife rest by cavity, avoids the work of disconnected core remaining influence Double-blade rotational pencil-sharpener.
Accompanying drawing explanation
Fig. 1 is the utility model Double-blade rotational pencil-sharpener detonation configuration schematic diagram.
Fig. 2 is the utility model Double-blade rotational pencil-sharpener front view.
Fig. 3 is the utility model Double-blade rotational pencil-sharpener rearview.
Fig. 4 is the utility model Double-blade rotational pencil-sharpener top view.
Fig. 5 is the utility model Double-blade rotational pencil-sharpener first blade cut design sketch.
Fig. 6 is the utility model Double-blade rotational pencil-sharpener second blade cut design sketch.
Shown in figure: 1-knife rest, 2-patchhole, 3-cuts a hole, 4-first blade, 5-second blade, 6-stopper slot, 7-dowel, 8-pencil, 9-cavity.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
As shown in figures 1 to 6,
A kind of Double-blade rotational pencil-sharpener, comprise knife rest 1, first blade 4 and the second blade 5, described knife rest 1 side is provided with the patchhole 2 inserted for pencil 8, described knife rest 1 inside is provided be communicated with patchhole 2 conical and cuts a hole 3, described both sides, a hole about 3 of cutting are provided with opening, two pieces of blades be arranged on knife rest 1 top and the bottom and the blade of blade be positioned at cut a hole 3 opening on, two straight line parallels that the blade of described first blade 4 and the central axis cutting a hole 3 project in bottom surface or coincidence, two straight line intersection that the blade of described second blade 5 and the central axis cutting a hole 3 project in bottom surface.
Wherein, described knife rest 1 is provided with and is positioned at first at least one place, blade 4 two ends and for the first blade 4 is inserted the stopper slot 6 of rear close-fitting on knife rest 1.
Wherein, described knife rest 1 is provided with and is positioned at second at least one place, blade 4 two ends and for the second blade 5 is inserted the stopper slot 6 of rear close-fitting on knife rest 1.
Wherein, the blade installation position in described knife rest 1 and the dowel 7 be provided with between knife rest 1 inwall for increasing knife rest 1 bulk strength.
Wherein, described first blade 4 and the second blade 5 are two pieces of blades of same specification.
Wherein, cut a hole 3 end described in and be provided with cavity 9.
This Double-blade rotational pencil-sharpener also can be used as the tool bit part of electric pencil sharpener, carries out automatic sharpening pen by the clamping device and driven by motor being arranged on penholder end.
Below only just most preferred embodiment of the present utility model is described, but can not be interpreted as it is limitations on claims.The utility model is not only confined to above embodiment, and its concrete structure allows to change.All various changes done in the protection domain of the utility model independent claims are all in the utility model protection domain.
Claims (6)
1. a Double-blade rotational pencil-sharpener, comprise knife rest (1), first blade (4) and the second blade (5), described knife rest (1) side is provided with the patchhole (2) inserted for pencil (8), described knife rest (1) inside is provided be communicated with patchhole (2) conical and cuts a hole (3), a described hole (3) of cutting is provided with opening in both sides up and down, two pieces of blades be arranged on knife rest (1) top and the bottom and the blade of blade be positioned at cut a hole (3) opening on, it is characterized in that: two straight line parallels that the blade of described first blade (4) and the central axis cutting a hole (3) project in bottom surface or coincidence, two straight line intersection that the blade of described second blade (5) and the central axis cutting a hole (3) project in bottom surface.
2. Double-blade rotational pencil-sharpener according to claim 1, is characterized in that: described knife rest (1) be provided be positioned at least one place, the first blade (4) two ends and for by the first blade (4) insert after the stopper slot (6) of close-fitting on knife rest (1).
3. Double-blade rotational pencil-sharpener according to claim 1, is characterized in that: described knife rest (1) be provided be positioned at least one place, the second blade (4) two ends and for by the second blade (5) insert after the stopper slot (6) of close-fitting on knife rest (1).
4. Double-blade rotational pencil-sharpener according to claim 1, is characterized in that: the blade installation position in described knife rest (1) and the dowel (7) be provided with between knife rest (1) inwall for increasing knife rest (1) bulk strength.
5. Double-blade rotational pencil-sharpener according to claim 1, is characterized in that: two pieces of blades that described first blade (4) and the second blade (5) are same specification.
6. Double-blade rotational pencil-sharpener according to claim 1, is characterized in that: described in cut a hole (3) end and be provided with cavity (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803935.3U CN205033823U (en) | 2015-10-13 | 2015-10-13 | Double blade pencil sharpener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803935.3U CN205033823U (en) | 2015-10-13 | 2015-10-13 | Double blade pencil sharpener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205033823U true CN205033823U (en) | 2016-02-17 |
Family
ID=55292749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520803935.3U Active CN205033823U (en) | 2015-10-13 | 2015-10-13 | Double blade pencil sharpener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205033823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160923A (en) * | 2017-06-19 | 2017-09-15 | 上海米梁实业发展有限公司 | A kind of propelling pencil for the skiving mechanism of pencil, the pen cap and its composition |
| CN110065331A (en) * | 2019-03-25 | 2019-07-30 | 蔡婕 | A kind of double blade cutlery of blade type pencil sharpener |
-
2015
- 2015-10-13 CN CN201520803935.3U patent/CN205033823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107160923A (en) * | 2017-06-19 | 2017-09-15 | 上海米梁实业发展有限公司 | A kind of propelling pencil for the skiving mechanism of pencil, the pen cap and its composition |
| CN110065331A (en) * | 2019-03-25 | 2019-07-30 | 蔡婕 | A kind of double blade cutlery of blade type pencil sharpener |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200812 Address after: Room 713, building 5, Duhui classic apartment, Xinqi street, Beilun District, Ningbo City, Zhejiang Province Patentee after: Liu Jun Address before: Suzhou City, Jiangsu province 215300 Yang Shu Lu Kunshan Oriental Rome 3 Building Room 402 Patentee before: Li Chunxiu |
|
| TR01 | Transfer of patent right |