CN104972808A - Core of pencil sharpener - Google Patents
Core of pencil sharpener Download PDFInfo
- Publication number
- CN104972808A CN104972808A CN201510376857.8A CN201510376857A CN104972808A CN 104972808 A CN104972808 A CN 104972808A CN 201510376857 A CN201510376857 A CN 201510376857A CN 104972808 A CN104972808 A CN 104972808A
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- Prior art keywords
- cutter hub
- hole
- pen
- rolling
- injection
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- 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
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Abstract
The invention relates to a core of a pencil sharpener. The core comprises an injection molding casing and a knife body. A conical pencil sharpening hole is formed in the injection molding casing. One side of the pencil sharpening hole is provided with a chip outlet, the shape of the section of the chip outlet is a diagonal plane of the conical pencil sharpening hole, the two sides in the width direction of the injection molding casing corresponding to the knife body and the two sides in the thickness direction are provided with limiting side walls, the two sides in the width direction and the two sides in the thickness direction of the knife body are at least provided with part of positions adhering to the corresponding limiting side walls, and a cutting edge of the knife body adheres to the plane where the chip outlet is located. The cutting edge of the knife body is placed between two intersecting lines of the plane where the chip outlet is located and the conical surface of the conical pencil sharpening hole. According to the technical scheme, the core of the pencil sharpener has the advantages of needing no assembly and being higher in rate of finished products and longer in service life.
Description
Technical field
The present invention relates to a kind of pencil sharpener core body.
Background technology
Pencil sharpener core body of the prior art, generally include injection-moulded housing 1, cutter hub, the pen-rolling hole in coniform setting is provided with in injection-moulded housing 1, pen-rolling hole side is provided with crumb mouth, injection-moulded housing forms screw, cutter hub is processed with connecting through hole, during assembling, to be coordinated be fixed on plastic casing by cutter hub by screw through the connecting through hole of cutter hub with screw.Pencil sharpener needs to ensure the cutting edge of cutter hub and place, crumb mouth plane is affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and coniform pen-rolling hole, just can have a volume effect preferably.Due to cutter hub add man-hour be by polishing width one end of cutter hub formed cutting edge, thus cutter hub adds the uniformity being difficult to the width ensureing each cutter hub man-hour, and, injection-moulded housing is unified injection mo(u)lding, therefore, prior art exists except assembling loaded down with trivial details shortcoming, also there is shortcoming: 1. during assembling, be not easy to ensure the cutting edge of cutter hub and place, crumb mouth plane is affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and coniform pen-rolling hole, thus cause high percent defective; 2. pencil sharpener in use, during screw loosening, when after user again tightening screw, also the cutting edge of cutter hub is not easily ensured and place, crumb mouth plane is affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and coniform pen-rolling hole, thus cause pencil sharpener to roll up a deleterious, even can not carry out volume pen again, thus have impact on the service life of pencil sharpener.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of integrated injection molding formula pencil sharpener core body without the need to assembling, higher, the longer service life of yield rate.
For achieving the above object, the invention provides following technical scheme: a kind of pencil sharpener core body, comprise injection-moulded housing and cutter hub, the pen-rolling hole in coniform setting is provided with in injection-moulded housing, pen-rolling hole side is provided with crumb mouth, described crumb mouth cross sectional shape is the scarf of coniform pen-rolling hole, the both sides of width and the both sides of thickness direction of the corresponding cutter hub of described injection-moulded housing are provided with spacing sidewall, the both sides of the width of described cutter hub and the both sides of thickness direction all have at least portion to be affixed with corresponding spacing sidewall, the cutting edge of described cutter hub and place, crumb mouth plane are affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
By adopting technique scheme, during injection moulding, the cutting edge of cutter hub and place, crumb mouth plane are affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole, and, the both sides of width and the both sides of thickness direction of the corresponding cutter hub of described injection-moulded housing are provided with spacing sidewall, the both sides of the width of described cutter hub and the both sides of thickness direction all have at least portion and described spacing sidewall to be affixed, the both sides of the both sides of the width of cutter hub and thickness direction are made all to have at least part to be embedded in injection-moulded housing, thus the both sides of the width of cutter hub and the both sides of thickness direction obtain spacing, therefore, whether the width regardless of cutter hub is consistent, the cutting edge of the cutter hub of shaping pencil sharpener can be ensured and place, crumb mouth plane is affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.Therefore, the pencil sharpener core body of technical solution of the present invention, has without the need to assembling, yield rate is higher, longer service life effect.
The present invention is arranged further: described cutter hub corresponding circle taper pen-rolling hole minor diameter one end extends to outside described coniform pen-rolling hole smaller diameter end, corresponding circle taper pen-rolling hole minor diameter one end of the corresponding cutter hub of described injection-moulded housing is provided with spacing end wall, and corresponding circle taper pen-rolling hole minor diameter one end of described cutter hub has at least portion and described spacing end wall to be affixed.
By adopting technique scheme, corresponding circle taper pen-rolling hole minor diameter one end of cutter hub being located, improves the steadiness of cutter hub in injection-moulded housing.
The present invention is arranged further: described injection-moulded housing corresponding cutter hub corresponding circle taper pen-rolling hole minor diameter one end position is provided with the first through hole, and the portion of cutter hub corresponding circle taper pen-rolling hole minor diameter one end is exposed to described first through hole.
By adopting technique scheme, during injection mo(u)lding, keeper can be set at corresponding first lead to the hole site, make to position cutter hub corresponding circle taper pen-rolling hole minor diameter one end position, and then more guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
The present invention is arranged further: described cutter hub has at least portion to be exposed to described injection-moulded housing at the relatively coniform pen-rolling hole opposite side of thickness direction.
By adopting technique scheme, during injection mo(u)lding, at cutter hub, keeper can be set at thickness direction relatively coniform pen-rolling hole opposite side, make to position the position of cutter hub at the relatively coniform pen-rolling hole opposite side of thickness direction, and then more guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
The present invention is arranged further: corresponding circle taper pen-rolling hole major diameter one end of the corresponding cutter hub of described injection-moulded housing is provided with spacing end wall, and corresponding circle taper pen-rolling hole major diameter one end of described cutter hub has at least portion and described spacing end wall to be affixed.
By adopting technique scheme, corresponding circle taper pen-rolling hole major diameter one end of cutter hub being located, improves the steadiness of cutter hub in injection-moulded housing.
The present invention is arranged further: described injection-moulded housing corresponding cutter hub corresponding circle taper pen-rolling hole major diameter one end position is provided with the second through hole, and the portion of cutter hub corresponding circle taper pen-rolling hole major diameter one end is exposed to described second through hole.
By adopting technique scheme, during injection mo(u)lding, keeper can be set at corresponding second lead to the hole site, make to position cutter hub corresponding circle taper pen-rolling hole major diameter one end position, and then more guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
The present invention is arranged further: the corresponding cutter hub opposing edges opposite side position of described injection-moulded housing is provided with third through-hole, and the portion of cutter hub opposing edges opposite side is exposed to described third through-hole.
By adopting technique scheme, during injection mo(u)lding, keeper can be set in corresponding third through-hole position, make to position cutter hub opposing edges opposite side position, and then more guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
The present invention is arranged further: described injection-moulded housing is also provided with the first blind hole with the axis perpendicular of described coniform pen-rolling hole, described first blind hole and described coniform pen-rolling hole are arranged to UNICOM, and the lap of described coniform pen-rolling hole and described first blind hole falls in described blind hole.
By adopting technique scheme, during injection mo(u)lding, keeper can be set in corresponding first blind hole position, the position of the profiled member to coniform pen-rolling hole is positioned, and then more guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
The present invention is arranged further: the side of described first blind hole is provided with plane breach, and the portion of the thickness direction side of described cutter hub and the portion of described plane breach are affixed.
By adopting technique scheme, during injection mo(u)lding, when corresponding first blind hole position arranges keeper, make to position the profiled member of coniform pen-rolling hole and the position of cutter hub, and then more guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
The present invention is arranged further: described injection-moulded housing is also provided with the second blind hole with the axis perpendicular of described coniform pen-rolling hole, described coniform pen-rolling hole minor diameter one end is connected with described second blind hole, the side of described second blind hole is provided with plane breach, the portion of the portion of the thickness direction side of described cutter hub and the plane breach of described second blind hole is affixed, and the setting identical with the opening direction of the second blind hole of described first blind hole.
By adopting technique scheme, during injection mo(u)lding, when corresponding second blind hole position arranges keeper, make better to locate the profiled member of coniform pen-rolling hole and the position of cutter hub, further guarantee the position of the cutter hub of pencil sharpener core body in injection-moulded housing, to be affixed to make the cutting edge of cutter hub and place, crumb mouth plane and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole, and conveniently stripped.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is pencil sharpener core body example structure figure mono-of the present invention;
Fig. 2 is pencil sharpener core body example structure figure bis-of the present invention;
Fig. 3 is pencil sharpener core body example structure figure tri-of the present invention;
Fig. 4 is for being pencil sharpener core body example structure explosive view of the present invention;
Fig. 5 is the injection-moulded housing example structure figure mono-of pencil sharpener core body of the present invention;
Fig. 6 is the injection-moulded housing example structure figure bis-of pencil sharpener core body of the present invention;
Fig. 7 is pencil sharpener core body example structure figure tetra-of the present invention;
Fig. 8 is the A-A sectional view of Fig. 7;
Fig. 9 is the B-B sectional view of Fig. 7;
Figure 10 is the C-C sectional view of Fig. 7;
Figure 11 is the D-D sectional view of Fig. 7;
Figure 12 is the E-E sectional view of Fig. 7;
Figure 13 is the F-F sectional view of Fig. 7;
Figure 14 is the G-G sectional view of Fig. 7;
Figure 15 is the injection-moulded housing example structure figure tri-of pencil sharpener core body of the present invention;
Figure 16 is the H-H sectional view of Figure 15;
Figure 17 is the I-I sectional view of Figure 15;
Figure 18 is the J-J sectional view of Figure 15;
Figure 19 is the injection-moulded housing example structure figure tetra-of pencil sharpener core body of the present invention;
Figure 20 is the K-K sectional view of Figure 19;
Figure 21 is the L portion enlarged drawing of Figure 20.
Detailed description of the invention
See accompanying drawing 1 to accompanying drawing 21, the present invention discloses a kind of pencil sharpener core body, this pencil sharpener core body can directly use as pencil sharpener, also pencil sharpener core body can be arranged in shell and form pencil sharpener and use, and both can carry out volume pen to pencil, also only volume pen can be carried out to pencil-lead, it comprises injection-moulded housing 1 and cutter hub 2, the pen-rolling hole 101 in coniform setting is provided with in injection-moulded housing 1, pen-rolling hole 101 side is provided with crumb mouth 102, described crumb mouth 102 cross sectional shape be coniform pen-rolling hole 101 scarf (scarf of indication of the present invention refer in a certain angle with the central axis of coniform pen-rolling hole 101 and with the tangent plane of coniform pen-rolling hole 101, the present embodiment is preferred, the central axis angle of scarf and coniform pen-rolling hole 101 equals the half of the intersecting lens angle of the shaft section of coniform pen-rolling hole 101 and the taper surface of coniform pen-rolling hole 101), the both sides of width and the both sides of thickness direction of the corresponding cutter hub of described injection-moulded housing 12 are provided with spacing sidewall 1031, 1032, 1033, 1034, the both sides of the width of described cutter hub 2 and the both sides of thickness direction all have portion and described spacing sidewall 1031 at least, 1032, 1033, 1034 are affixed, the cutting edge 202 of described cutter hub 2 and place, crumb mouth 102 plane are affixed and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.It should be noted that herein, in technical solution of the present invention, coniform referring to the cross section of axis perpendicular is circle, and the diameter of an end section is greater than the diameter in other end cross section, can be cone, circular cone stage body, also can be that cylinder is set in the larger diameter end of cone or circular cone stage body, it is also feasible for even arranging cylinder in the smaller diameter end of circular cone stage body, and the present embodiment is preferred, is set to arrange cylindrical shape in the larger diameter end of circular cone stage body.By adopting technique scheme, during injection moulding, the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane are affixed and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101, and, the both sides of width and the both sides of thickness direction of the corresponding cutter hub of described injection-moulded housing 12 are provided with spacing sidewall 1031, 1032, 1033, 1034, the both sides of the width of described cutter hub 2 and the both sides of thickness direction all have portion and corresponding spacing sidewall 1031 at least, 1032, 1033, 1034 are affixed, the both sides of the both sides of the width of cutter hub 2 and thickness direction are made all to have at least part to be embedded in injection-moulded housing 1, thus the both sides of the width of cutter hub 2 and the both sides of thickness direction obtain spacing, therefore, whether the width regardless of cutter hub 2 is consistent, the cutting edge 202 of the cutter hub 2 of shaping pencil sharpener can be ensured and place, crumb mouth 102 plane is affixed and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.Therefore, the pencil sharpener core body of technical solution of the present invention, has without the need to assembling, yield rate is higher, longer service life effect.It should be noted that, technical solution of the present invention, spacing sidewall can be arranged on the both sides of width of the corresponding cutter hub 2 of injection-moulded housing 1 and the diverse location of the both sides of thickness direction, as being arranged on the position, one or both ends of cutter hub 2 length direction, or the medium position of cutter hub 2, the present embodiment is preferred, and the spacing sidewall 1033 of corresponding cutter hub 2 cutting edge 202 side is arranged on the end positions of injection-moulded housing 1 corresponding cutter hub 2 length direction, and positions groove 201 position of cutter hub 2 cutting edge 202.
The present embodiment is arranged further: described cutter hub 2 corresponding circle taper pen-rolling hole 101 minor diameter one end extends to outside described coniform pen-rolling hole 101 smaller diameter end, corresponding circle taper pen-rolling hole 101 minor diameter one end of the corresponding cutter hub of described injection-moulded housing 12 is provided with spacing end wall 1035, and corresponding circle taper pen-rolling hole 101 minor diameter one end of described cutter hub 2 has at least portion and described spacing end wall 1035 to be affixed.By adopting technique scheme, corresponding circle taper pen-rolling hole 101 minor diameter one end of cutter hub 2 being located, improves the steadiness of cutter hub 2 in injection-moulded housing 1.
The present embodiment is arranged further: described injection-moulded housing 1 corresponding cutter hub 2 corresponding circle taper pen-rolling hole 101 minor diameter one end position is provided with the first through hole 1041, and the portion of cutter hub 2 corresponding circle taper pen-rolling hole 101 minor diameter one end is exposed to described first through hole 1041.By adopting technique scheme, during injection mo(u)lding, keeper can be set in corresponding first through hole 1041 position, make to position cutter hub 2 corresponding circle taper pen-rolling hole 101 minor diameter one end position, and then more guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.
The present embodiment is arranged further: described cutter hub 2 has at least portion to be exposed to described injection-moulded housing 1 at thickness direction relatively coniform pen-rolling hole 101 opposite side.By adopting technique scheme, during injection mo(u)lding, at cutter hub 2, keeper can be set at thickness direction relatively coniform pen-rolling hole 101 opposite side, make to position the position of cutter hub 2 at thickness direction relatively coniform pen-rolling hole 101 opposite side, and then more guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.
The present embodiment is arranged further: corresponding circle taper pen-rolling hole 101 major diameter one end of the corresponding cutter hub of described injection-moulded housing 12 is provided with spacing end wall 1036, and corresponding circle taper pen-rolling hole 101 major diameter one end of described cutter hub 2 has at least portion and described spacing end wall 1036 to be affixed.By adopting technique scheme, corresponding circle taper pen-rolling hole 101 major diameter one end of cutter hub 2 being located, improves the steadiness of cutter hub 2 in injection-moulded housing 1.
The present embodiment is arranged further: described injection-moulded housing 1 corresponding cutter hub 2 corresponding circle taper pen-rolling hole 101 major diameter one end position is provided with the second through hole 1042, and the portion of cutter hub 2 corresponding circle taper pen-rolling hole 101 major diameter one end is exposed to described second through hole 1042.By adopting technique scheme, during injection mo(u)lding, keeper can be set in corresponding second through hole 1042 position, make to position cutter hub 2 corresponding circle taper pen-rolling hole 101 major diameter one end position, and then more guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.
The present embodiment is arranged further: described injection-moulded housing 1 corresponding cutter hub 2 opposing edges 202 opposite side position is provided with third through-hole 1043, and the portion of cutter hub 2 opposing edges 202 opposite side is exposed to described third through-hole 1043.By adopting technique scheme, during injection mo(u)lding, keeper can be set in corresponding third through-hole 1043 position, make to position cutter hub 2 opposing edges 202 opposite side position, and then more guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.
The present embodiment is arranged further: described injection-moulded housing 1 is also provided with the first blind hole 1051 with the axis perpendicular of described coniform pen-rolling hole 101, described first blind hole 1051 is arranged to UNICOM with described coniform pen-rolling hole 101, and described coniform pen-rolling hole 101 falls in described first blind hole 1051 with the lap of described first blind hole 1051.By adopting technique scheme, during injection mo(u)lding, keeper can be set in corresponding first blind hole position, the position of the profiled member to coniform pen-rolling hole 101 is positioned, and then more guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.
The present embodiment is arranged further: the side of described first blind hole 1051 is provided with plane breach, and the portion of the thickness direction side of described cutter hub 2 and the portion of described plane breach are affixed.By adopting technique scheme, during injection mo(u)lding, when corresponding first blind hole 1051 position arranges keeper, make to position the profiled member of coniform pen-rolling hole 101 and the position of cutter hub 2, and then more guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101.
The present embodiment is arranged further: described injection-moulded housing 1 is also provided with the second blind hole 1052 with the axis perpendicular of described coniform pen-rolling hole 101, described coniform pen-rolling hole 101 minor diameter one end is connected with described second blind hole 1052, the side of described second blind hole 1052 is provided with plane breach, the portion of the portion of the thickness direction side of described cutter hub 2 and the plane breach of described second blind hole 1052 is affixed, and the identical setting of opening direction of described first blind hole 1051 and the second blind hole 1052.By adopting technique scheme, during injection mo(u)lding, when corresponding second blind hole 1052 position arranges keeper, make better to locate the profiled member of coniform pen-rolling hole 101 and the position of cutter hub 2, further guarantee the position of cutter hub 2 in injection-moulded housing 1 of pencil sharpener core body, to be affixed to make the cutting edge 202 of cutter hub 2 and place, crumb mouth 102 plane and the cutting edge 202 of cutter hub 2 is placed between two intersecting lenses of the taper surface of crumb mouth 102 place plane and described coniform pen-rolling hole 101, and conveniently stripped.
Claims (10)
1. a pencil sharpener core body, it is characterized in that: comprise injection-moulded housing and cutter hub, the pen-rolling hole in coniform setting is provided with in injection-moulded housing, pen-rolling hole side is provided with crumb mouth, described crumb mouth cross sectional shape is the scarf of coniform pen-rolling hole side, the both sides of width and the both sides of thickness direction of the corresponding cutter hub of described injection-moulded housing are provided with spacing sidewall, the both sides of the width of described cutter hub and the both sides of thickness direction all have at least portion to be affixed with corresponding spacing sidewall, the cutting edge of described cutter hub and place, crumb mouth plane are affixed and the cutting edge of cutter hub is placed between two intersecting lenses of the taper surface of place, crumb mouth plane and described coniform pen-rolling hole.
2. pencil sharpener core body according to claim 1, it is characterized in that: described cutter hub corresponding circle taper pen-rolling hole minor diameter one end extends to outside described coniform pen-rolling hole smaller diameter end, corresponding circle taper pen-rolling hole minor diameter one end of the corresponding cutter hub of described injection-moulded housing is provided with spacing end wall, and corresponding circle taper pen-rolling hole minor diameter one end of described cutter hub has at least portion and described spacing end wall to be affixed.
3. pencil sharpener core body according to claim 2, it is characterized in that: described injection-moulded housing corresponding cutter hub corresponding circle taper pen-rolling hole minor diameter one end position is provided with the first through hole, and the portion of cutter hub corresponding circle taper pen-rolling hole minor diameter one end is exposed to described first through hole.
4. pencil sharpener core body according to claim 1, is characterized in that: described cutter hub has at least portion to be exposed to described injection-moulded housing at the relatively coniform pen-rolling hole opposite side of thickness direction.
5. pencil sharpener core body according to claim 1, it is characterized in that: corresponding circle taper pen-rolling hole major diameter one end of the corresponding cutter hub of described injection-moulded housing is provided with spacing end wall, and corresponding circle taper pen-rolling hole major diameter one end of described cutter hub has at least portion and described spacing end wall to be affixed.
6. pencil sharpener core body according to claim 5, it is characterized in that: described injection-moulded housing corresponding cutter hub corresponding circle taper pen-rolling hole major diameter one end position is provided with the second through hole, and the portion of cutter hub corresponding circle taper pen-rolling hole major diameter one end is exposed to described second through hole.
7. pencil sharpener core body according to claim 1, is characterized in that: the corresponding cutter hub opposing edges opposite side position of described injection-moulded housing is provided with third through-hole, and the portion of cutter hub opposing edges opposite side is exposed to described third through-hole.
8. pencil sharpener core body according to claim 1, it is characterized in that: described injection-moulded housing is also provided with the first blind hole with the axis perpendicular of described coniform pen-rolling hole, described first blind hole and described coniform pen-rolling hole are arranged to UNICOM, and the lap of described coniform pen-rolling hole and described first blind hole falls in described blind hole.
9. pencil sharpener core body according to claim 8, is characterized in that: the side of described first blind hole is provided with plane breach, and the portion of the portion of the thickness direction side of described cutter hub and the plane breach of described first blind hole is affixed.
10. pencil sharpener core body according to claim 9, it is characterized in that: described injection-moulded housing is also provided with the second blind hole with the axis perpendicular of described coniform pen-rolling hole, described coniform pen-rolling hole minor diameter one end is connected with described second blind hole, the side of described second blind hole is provided with plane breach, the portion of the portion of the thickness direction side of described cutter hub and the plane breach of described second blind hole is affixed, and the setting identical with the opening direction of the second blind hole of described first blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376857.8A CN104972808B (en) | 2015-06-29 | 2015-06-29 | Core of pencil sharpener |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376857.8A CN104972808B (en) | 2015-06-29 | 2015-06-29 | Core of pencil sharpener |
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| Publication Number | Publication Date |
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| CN104972808A true CN104972808A (en) | 2015-10-14 |
| CN104972808B CN104972808B (en) | 2017-02-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499035A (en) * | 2017-09-22 | 2017-12-22 | 丁但凌 | A kind of lead for retractable pencil plane |
| CN107618303A (en) * | 2017-09-22 | 2018-01-23 | 丁但凌 | A kind of lead for retractable pencil plane of soft lead for retractable pencil |
| CN108357265A (en) * | 2018-04-04 | 2018-08-03 | 三木控股集团有限公司 | A kind of pencil sharpener frame |
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| DE3041313A1 (en) * | 1980-11-03 | 1982-08-05 | Christian Eisen & Sohn, Metallwarenfabrik, 8523 Baiersdorf | Pencil sharpener with plastics housing - has cutting edge clamped by welded plastics cover or integral locating projections |
| CN2332589Y (en) * | 1998-02-11 | 1999-08-11 | 郝志光 | Adjusting pencil sharpener |
| CN201061970Y (en) * | 2007-07-10 | 2008-05-21 | 赵明荣 | Special pencil sharpener for line drawing |
| CN202593115U (en) * | 2012-03-16 | 2012-12-12 | 童光辉 | Pencil sharpener without screw |
| CN204160985U (en) * | 2014-09-17 | 2015-02-18 | 徐延成 | A kind of pencil sharpener |
| CN204749669U (en) * | 2015-06-29 | 2015-11-11 | 温州天骄笔业有限责任公司 | Pencil sharpener core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107499035A (en) * | 2017-09-22 | 2017-12-22 | 丁但凌 | A kind of lead for retractable pencil plane |
| CN107618303A (en) * | 2017-09-22 | 2018-01-23 | 丁但凌 | A kind of lead for retractable pencil plane of soft lead for retractable pencil |
| CN108357265A (en) * | 2018-04-04 | 2018-08-03 | 三木控股集团有限公司 | A kind of pencil sharpener frame |
| US11034185B2 (en) | 2018-04-04 | 2021-06-15 | Sunwood Holding Group Co., Ltd. | Pencil sharpener assembly |
| CN108357265B (en) * | 2018-04-04 | 2024-02-23 | 三木控股集团有限公司 | Pencil sharpener |
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