CN201456835U

CN201456835U - Hand-operated pencil sharpener

Info

Publication number: CN201456835U
Application number: CN200920121290XU
Authority: CN
Inventors: 翁定松
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-04
Filing date: 2009-06-04
Publication date: 2010-05-12
Anticipated expiration: 2019-06-04

Abstract

The utility model relates to a pencil cutting tool, which discloses a hand-operated pencil sharpener. The hand-operated pencil sharpener comprises a metal pencil-cutting sleeve, and the metal pencil-cutting sleeve is provided with a trapezoidal opening, one end of the metal pencil-cutting sleeve is provided with a through hole, and the through hole is communicated with the trapezoidal opening, and the trapezoidal opening is provided with sharpener parts, and the sharpener parts comprise a helical tooth end mill, an outer tooth pattern plate, and a metal round bar which passes through the helical tooth end mill and the outer tooth pattern plate, wherein, both ends of the metal round bar are all fixed at the metal pencil-cutting sleeve; the other end of the metal pencil-cutting sleeve is provided with an outer thread end, and the outer thread end passes through a circular ring kit and then is connected with a cranking handle, meanwhile, the circular ring kit is provided with inner tooth patterns, and outer tooth pattern plate is matched with and is connected with the inner tooth patterns. The utility model can achieve the purpose that the sharpening times are less, the sharpened pen point is round, smooth and beautiful, and is particularly suitable for families, schools and offices and other occasions needing cutting pencil.

Description

Hand-operated pencil planing

Technical field

The utility model relates to a kind of pencil sharper cutting tool, relates in particular to a kind of pencil-knife.

Background technology

In the pencil sharper cutting tool of Chu Xianing, great majority all are hand-wring types in the market, and the student uses very hard, though small and exquisite easy to carry, it is desirable not to the utmost to cut effect, and the tip of a pencil that cuts out is very coarse, seems very not attractive in appearance.

For this reason, people have invented a kind of hand-rail type pencil-knife, such as, application number is 99228608.5, the applying date is on June 14th, 1999, Granted publication number is that on May 10th, 2000, patentee disclose a kind of Hand pencil sharpener for the Chinese utility model patent of Yinhe Haoqing for CN2377107, the day for announcing, it is that knife rest constitutes by the hollow cone of fluting, and a hand crank is set on the cutter frame structure.The technical scheme that this patent provides adopts the hand-rail type structure, uses hard shortcoming though overcome the hand-wring type pencil sharpener, and structure is single, and it is desirable equally not to the utmost to cut effect, and the tip of a pencil that cuts out still seems and is not very attractive in appearance.

Summary of the invention

The utility model uses very hard shortcoming at the hand-wring type pencil sharper cutting tool that prior art exists, and the coarse shortcoming such as not attractive in appearance of hand-rail type pencil-knife structure tip of a pencil single, that cut out, provide a kind of rational in infrastructure, cut the mellow and full smooth hand-operated pencil planing of number of times nib few, that cut out.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:

Hand-operated pencil planing, comprise the metal Holder for pencil sharpening, the metal Holder for pencil sharpening is provided with trapezoid-shaped openings, one end of metal Holder for pencil sharpening is a through hole, through hole is communicated with trapezoid-shaped openings, the trapezoid-shaped openings place is provided with the planing tool parts, and described planing tool parts comprise helical end mills, are fixed on the outer groove dish of helical end mills one end and pass helical end mills and the metal round rod of outer groove dish that the metal round rod two ends all are fixed on the metal Holder for pencil sharpening; The other end of described metal Holder for pencil sharpening is provided with male threaded stub, and male threaded stub is passed after the annulus external member with shaking the hand and linked to each other, and the annulus external member is provided with interior groove, and outer groove dish and interior groove are connected.Pencil is inserted in the metal Holder for pencil sharpening, shake the hand by turn, drive helical end mills around the metal round rod rotation, in the gear hobbing pencil, also make circular motion around pencil, helical end mills is around the pencil also rotation of both having revolved round the sun, can not press to till the helical end mills by alignment restrictions, work finishes again.

As preferably, described annulus external member is provided with perforation, and male threaded stub is passed the perforation back and linked to each other with shaking the hand.

As preferably, a described end of shaking the hand is provided with handle, and the other end of shaking the hand is provided with the internal thread hole that is connected with male threaded stub.

As preferably, described metal Holder for pencil sharpening and planing tool parts are installed in the plastic casing, the plastic casing bottom is provided with the grey box of pen that can extract out, the grey box of pen upper end is an opening, metal Holder for pencil sharpening and planing tool parts are positioned at the grey box upper space of pen, one side of plastic casing is connecting shakes the hand, and the opposite side of plastic casing is connecting the pencil gripping mechanism.The pencil bits that pencil produces in quilt planing process etc. are fallen in the grey box of pen, outwell the pencil bits after the grey box of pen can be extracted out; The purpose that the pencil gripping mechanism is set is to make pencil to be fixed in the metal Holder for pencil sharpening in quilt planing process, is convenient to the planing to pencil.

As preferably, described pencil clamping device comprises that pencil feeds the hole and is located at the pencil clamping part that pencil feeds the place, hole, and this pencil clamping part links to each other with fixed strip, activity bar and inner elastomeric card article on being located at the pencil clamping device.

As preferably, described metal Holder for pencil sharpening is provided with the nib block, and the nib block is positioned at the top of trapezoid-shaped openings.The purpose that the nib block is set is the pen tip of pencil is positioned.

As preferably, the angle that the blade of described helical end mills and metal round rod form is 45 to 75 degree, most preferably is 60 degree; The blade number of turns of described helical end mills is 10 to 15 circles, most preferably is 12 circles; The angle that described metal round rod and metal Holder for pencil sharpening longitudinal axis form is 10 to 20 degree, most preferably is 15 degree.After adopting most preferred technical scheme, after the pencil of a common specification was put into the metal Holder for pencil sharpening, the utility model only need shake 6 to 7 circles of shaking the hand, the tip of a pencil effect not only smooth but also attractive in appearance after can realizing planing.

The utility model has significant technique effect owing to adopted above technical scheme, can reach the not only mellow and full effect smooth but also attractive in appearance of planing number of times nib few, that cut out, is highly suitable for the occasion that family, school and office etc. need cut pencil.

Description of drawings

Fig. 1 is the structural representation of metal Holder for pencil sharpening and planing tool parts among the utility model embodiment.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is the structural representation of metal Holder for pencil sharpening among Fig. 1.

Fig. 4 is the structural representation of annulus external member in the present embodiment.

Fig. 5 is the A-A cutaway view of Fig. 4.

Fig. 6 is the structural representation of shaking the hand in the present embodiment.

Fig. 7 is the structural representation of pencil clamping device in the present embodiment.

Fig. 8 is the schematic appearance of present embodiment.

The specific embodiment

Below in conjunction with accompanying drawing 1 to Fig. 8 and embodiment the utility model is described in further detail:

Embodiment such as Fig. 1 are to shown in Figure 6, hand-operated pencil planing, comprise metal Holder for pencil sharpening 1, metal Holder for pencil sharpening 1 is provided with trapezoid-shaped openings 13, one end of metal Holder for pencil sharpening 1 is a through hole 14, and through hole 14 is communicated with trapezoid-shaped openings 13, and trapezoid-shaped openings 13 places are provided with planing tool parts 2, planing tool parts 2 comprise helical end mills 22, are fixed on the outer groove dish 21 of helical end mills 22 1 ends and pass helical end mills 22 and the metal round rod 23 of outer groove dish 21 that metal round rod 23 two ends all are fixed on the metal Holder for pencil sharpening 1; The other end of metal Holder for pencil sharpening 1 is provided with male threaded stub 12, and male threaded stub 12 is passed annulus external member 3 back and 4 linked to each other with shaking the hand, and annulus external member 3 is provided with interior groove 31, and outer groove dish 21 and interior groove 31 are connected.

Annulus external member 3 is provided with perforation 32, and male threaded stub 12 is passed perforation 32 backs and 4 linked to each other with shaking the hand, and 4 the end of shaking the hand is provided with

handle

42, and 4 the other end of shaking the hand is provided with the internal thread hole 41 that is connected with male threaded stub 12.

As shown in Figure 8, metal Holder for pencil sharpening 1 and planing tool parts 2 are installed in the plastic casing 6, plastic casing 6 bottoms are provided with the grey box 8 of pen that can extract out, the grey box of pen 8 upper ends are opening, metal Holder for pencil sharpening 1 and planing tool parts 2 are positioned at grey box 8 upper spaces of pen, one side of plastic casing 6 is connecting shakes the hand 4, and the opposite side of plastic casing 6 is connecting pencil gripping mechanism 5.

As shown in Figure 7, pencil clamping device 5 comprises that pencil feeds hole 51 and is located at the pencil clamping part 52 that pencil feeds 51 places, hole, and this pencil clamping part 52 links to each other with fixed strip 53, activity bar 54 and inner elastomeric card article 55 on being located at pencil clamping device 5.

As shown in figures 1 and 3, metal Holder for pencil sharpening 1 is provided with nib block 11, and nib block 11 is positioned at the top of trapezoid-shaped openings 13.

As shown in Figure 1, the angle that the blade of helical end mills 22 and metal round rod 23 form is 45 to 75 degree, is preferably 60 degree; The blade number of turns of helical end mills 22 is 10 to 15 circles, is preferably 12 circles; Metal round rod 23 is 10 to 20 degree with the angle that metal Holder for pencil sharpening 1 longitudinal axis forms, and is preferably 15 degree.

In a word, the above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.

Claims

1. hand-operated pencil planing, comprise metal Holder for pencil sharpening (1), metal Holder for pencil sharpening (1) is provided with trapezoid-shaped openings (13), one end of metal Holder for pencil sharpening (1) is through hole (14), through hole (14) is communicated with trapezoid-shaped openings (13), trapezoid-shaped openings (13) locates to be provided with planing tool parts (2), it is characterized in that: described planing tool parts (2) comprise helical end mills (22), be fixed on the outer groove dish (21) of helical end mills (22) one ends, and the metal round rod (23) that passes helical end mills (22) and outer groove dish (21), metal round rod (23) two ends all are fixed on the metal Holder for pencil sharpening (1); The other end of described metal Holder for pencil sharpening (1) is provided with male threaded stub (12), and male threaded stub (12) is passed annulus external member (3) back and linked to each other with shake the hand (4), and annulus external member (3) is provided with interior groove (31), and outer groove dish (21) is connected with interior groove (31).

2. hand-operated pencil planing according to claim 1 is characterized in that: described annulus external member (3) is provided with perforation (32), and male threaded stub (12) is passed perforation (32) back and linked to each other with shake the hand (4).

3. hand-operated pencil planing according to claim 2 is characterized in that: an end of described shaking the hand (4) is provided with handle (42), and the other end of shake the hand (4) is provided with the internal thread hole (41) that is connected with male threaded stub (12).

4. hand-operated pencil planing according to claim 1, it is characterized in that: described metal Holder for pencil sharpening (1) and planing tool parts (2) are installed in the plastic casing (6), plastic casing (6) bottom is provided with the pen grey box (8) that can extract out, the grey box of pen (8) upper end is an opening, metal Holder for pencil sharpening (1) and planing tool parts (2) are positioned at pen grey box (8) upper space, one side of plastic casing (6) is connecting shake the hand (4), and the opposite side of plastic casing (6) is connecting pencil gripping mechanism (5).

5. hand-operated pencil planing according to claim 4, it is characterized in that: described pencil clamping device (5) comprises that pencil feeds hole (51) and is located at the pencil clamping part (52) that pencil feeding hole (51) is located, and this pencil clamping part (52) links to each other with fixed strip (53), activity bar (54) and inner elastomeric card article (55) on being located at pencil clamping device (5).

6. hand-operated pencil planing according to claim 1 is characterized in that: described metal Holder for pencil sharpening (1) is provided with nib block (11), and nib block (11) is positioned at the top of trapezoid-shaped openings (13).

7. hand-operated pencil planing according to claim 1 is characterized in that: the angle that the blade of described helical end mills (22) and metal round rod (23) form is 45 to 75 degree, and the blade number of turns of helical end mills (22) is 10 to 15 circles.

8. hand-operated pencil planing according to claim 7 is characterized in that: the angle that the blade of described helical end mills (22) and metal round rod (23) form is 60 degree, and the blade number of turns of helical end mills (22) is 12 circles.

9. according to claim 1 or 8 described hand-operated pencil planings, it is characterized in that: described metal round rod (23) is 10 to 20 degree with the angle that metal Holder for pencil sharpening (1) longitudinal axis forms.

10. hand-operated pencil planing according to claim 9 is characterized in that: described metal round rod (23) is 15 degree with the angle that metal Holder for pencil sharpening (1) longitudinal axis forms.