CN211000677U

CN211000677U - Pencil sharpener

Info

Publication number: CN211000677U
Application number: CN201922062020.2U
Authority: CN
Inventors: 张延敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-14
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to a cut a ware, in particular to hide handle formula cut a ware, including normal running fit's last casing and lower casing, go up casing and lower casing and form the cavity that can hold cutter unit, cutter unit and the normal running fit linkage of last casing and lower casing are equipped with on the last casing and cooperate and supply the first hole that the pencil passes through with cutter unit, and the pencil realizes cutting through the normal running fit of last casing and lower casing, the utility model discloses cancel the tradition and cut a ware's handle formula structure, made hidden, cut the pencil through the relative rotation of last casing and lower casing, the cutter unit of vertical distribution makes to cut a work efficiency higher, also makes the inner space who cuts a ware obtain the compression, better chip removal, the utility model discloses still have simple structure, processing convenience and the easy characteristics of assembly, the practicality is strong.

Description

Pencil sharpener

Technical Field

The utility model relates to a pencil sharpener, in particular to a pencil sharpener with a hidden handle.

Background

The common pencil sharpener is used for sharpening a pencil by the relative rotation of the main body and the handle, the pencil sharpener is usually placed on a table top, the main body is pressed on the table top by one hand, the handle is rotated by the other hand, the pencil sharpener does not accord with human engineering mechanics, the main body is easy to move while being pressed, the structure of the handle is not firm enough, and the pencil sharpener is easy to collide and damage after being exposed outside for a long time.

SUMMERY OF THE UTILITY MODEL

Not enough to current technique, the utility model provides a pencil sharpener.

In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a pencil sharpener, its characterized in that, includes normal running fit's last casing and lower casing, goes up casing and lower casing and forms the cavity that can hold cutter unit, and cutter unit and the normal running fit linkage of last casing and lower casing are equipped with on the last casing with the cutter unit cooperation and supply the first hole that the pencil passes through, and the pencil is realized removing through the normal running fit of last casing and lower casing.

Go up the casing and be equipped with the first guide way and the second guide way that prevent to go up casing and lower casing and break away from on the casing respectively, go up casing and lower casing and realize relative rotation through the cooperation of first guide way and second guide way.

The cutter assembly comprises a rotating shaft, and a mounting seat for fixing the rotating shaft is arranged in the lower shell.

The cutter assembly comprises a rotary table, a first fixed seat for limiting and rotating the rotary table is arranged in the upper shell, a first groove matched with the rotary shaft is arranged on the rotary table, and the rotary table is matched with the first groove through the rotary shaft to rotate on the first fixed seat.

The pencil sharpener is characterized in that a protrusion is arranged on the turntable, the protrusion is arranged on the turntable in a ring-shaped array mode by taking the turntable as a circle center, two material rollers used for clamping a pencil are arranged on the first fixing seat, first teeth matched with the protrusion are arranged on the material rollers, and the pencil achieves reciprocating motion perpendicular to the direction of the turntable through the rotating matching of the turntable and the two material rollers.

The pencil sharpener is characterized in that a second hole which corresponds to the first hole and is used for placing a pencil is formed in the rotating shaft, a second groove is formed in the hole wall of the second hole, a cutter shaft is arranged on the rotating shaft and corresponds to the second groove, a cutter edge used for sharpening the pencil is arranged on the cutter shaft, a driving wheel is arranged in the upper shell, the driving wheel is fixedly assembled in the upper shell, second teeth matched with the driving wheel are arranged on the cutter shaft, the cutter shaft rotates relatively on the rotating shaft through the matching of the driving wheel and the second teeth, and the pencil is sharpened through the rotation of the cutter shaft at the second groove.

The upper casing is internally provided with a second fixing seat, the second fixing seat is provided with a convex block for preventing the driving wheel from being separated from the second fixing seat, the driving wheel is provided with a third groove matched with the convex block, and the driving wheel is fixedly assembled on the second fixing seat through the matching of the convex block and the third groove.

And the bottom of the lower shell is provided with a plug, and the plug and the lower shell are fixedly assembled.

And the plug and the lower shell are fixedly assembled in a threaded manner.

The utility model has the advantages that: the utility model discloses cancellation tradition cuts a handle formula structure of ware, made hidden, cut the pencil through the relative rotation of last casing and lower casing, the cutter unit of vertical distribution makes that to cut a work efficiency higher, also makes the inner space of cutting a ware obtain compressing, better chip removal, the utility model discloses simple structure still has, processing convenience and the easy characteristics of assembly, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic view of the matching structure among the first fixing seat, the turntable and the material roller of the present invention;

fig. 5 is a schematic structural view of the rotating shaft of the present invention.

Detailed Description

As shown in fig. 1-5, a pencil sharpener comprises an upper housing 100 and a lower housing 200 which are rotatably matched, wherein the upper housing 100 and the lower housing 200 form a cavity for accommodating a cutter assembly 300, the cutter assembly 300 is linked with the upper housing 100 and the lower housing 200 in a rotating matching manner, a first hole 110 which is matched with the cutter assembly 300 and is used for a pencil to pass through is arranged on the upper housing 100, the pencil is sharpened through the rotating matching of the upper housing 100 and the lower housing 200, the pencil is inserted into the first hole 110 when in use, a pencil head contacts two material rollers 340, one hand holds the upper housing 100, the lower housing 200 is held by one hand to rotate, and the pencil automatically and slowly enters the upper housing 100 to be sharpened.

The upper shell 100 and the lower shell 200 are respectively provided with a first guide groove 120 and a second guide groove 210 which prevent the upper shell 100 and the lower shell 200 from being separated from each other, the upper shell 100 and the lower shell 200 realize relative rotation through the matching of the first guide groove 120 and the second guide groove 210, the upper shell 100 and the lower shell 200 can be formed by assembling a front part and a rear part, the first guide groove and the second guide groove 210 are well matched, and the upper shell 100 and the lower shell 200 of the front part and the rear part can be assembled by fastening the screws one by one.

The cutter assembly 300 includes a rotating shaft 310, a mounting seat 220 for fixing the rotating shaft 310 is provided in the lower housing 200, and the rotating shaft 310 can be directly inserted into the mounting seat 220, so that the rotating shaft 310 is always linked with the lower housing 200.

The cutter assembly 300 includes a rotary table 320, a first fixing seat 330 for limiting rotation of the rotary table 320 is disposed in the upper housing 100, a first groove 321 matched with the rotary shaft 310 is disposed on the rotary table 320, the rotary table 320 realizes rotation on the first fixing seat 330 through rotation matching of the rotary shaft 310 and the first groove 321, the rotary shaft 310 drives the rotary table 320 to rotate through matching with the first groove 321, and the first fixing seat 330 can be fastened in the upper housing 100 through screws.

The pencil sharpener is characterized in that a protrusion 322 is arranged on the rotary table 320, the protrusion 322 is annularly arrayed on the rotary table 320 by taking the rotary table 320 as a circle center, two material rollers 340 used for clamping a pencil are arranged on the first fixing seat 330, first teeth 341 matched with the protrusion 322 are arranged on the material rollers 340, the pencil is in reciprocating motion perpendicular to the direction of the rotary table 320 through the rotary cooperation of the rotary table 320 and the two material rollers 340, the material rollers 340 are made of rubber, the material rollers 340 are squeezed to generate friction force when the pencil is inserted, the two material rollers 340 are rotated in different directions through the cooperation of the protrusion 322 and the first teeth 341 when the rotary table 320 rotates, and the pencil can be gradually fed into the knife edge 351 through the two material rollers 340 through the rotation of the.

The pencil sharpener is characterized in that a second hole 311 which corresponds to the first hole 110 and is used for placing a pencil is formed in the rotating shaft 310, a second groove 312 is formed in the hole wall of the second hole 311, a cutter shaft 350 is arranged on the rotating shaft 310 and corresponds to the second groove 312, a cutter edge 351 used for cutting off the pencil is formed in the cutter shaft 350, a driving wheel 400 is arranged in the upper shell 100, the driving wheel 400 is fixedly assembled in the upper shell 100, a second tooth 352 matched with the driving wheel 400 is arranged on the cutter shaft 350, the cutter shaft 350 rotates on the rotating shaft 310 relatively through the matching of the driving wheel 400 and the second tooth 352, the pencil is cut off through the rotation of the cutter shaft 350 at the second groove 312, the second hole 311 is in a circular truncated cone shape, a pencil lead penetrates through the bottom of the second hole, the second groove 312 corresponds to the cutter edge 351, when the pencil is slowly fed into the second hole 311 from top to bottom, the pencil can be slowly cut off, and.

Go up to be equipped with second fixing base 130 in the casing 100, be equipped with on the second fixing base 130 and prevent that action wheel 400 from breaking away from second fixing base 130's lug 131, be equipped with on the action wheel 400 with the third groove 410 of lug 131 adaptation, action wheel 400 passes through the fixed assembly of the cooperation of lug 131 and third groove 410 on second fixing base 130, action wheel 400 is by the assembly of last casing 100 butt of front and back two, including the cooperation joint of lug 131 and third groove 410 on second fixing base 130, action wheel 400 links with last casing 100 from this.

The bottom of the lower shell 200 is provided with a plug 500, the plug 500 is fixedly assembled with the lower shell 200, and the plug 500 is used for preventing pencil scraps from falling out.

The plug 500 and the lower shell 200 are fixedly assembled in a threaded mode, so that the assembly and disassembly are convenient, and the structure is stable.

Firstly, the rotating shaft 310 is fixed in the lower casing 200 and is linked with the lower casing 200, the driving wheel 400 is fixed in the upper casing 100 and is linked with the upper casing 100, when in use, a pencil is inserted into the first hole 110, the pencil head contacts with the two material rollers 340, two hands respectively hold the upper casing 100 and the lower casing 200 and then rotate, the rotating shaft 310 drives the turntable 320 under the rotation of the lower casing 200, the rotation of the turntable 320 drives the two material rollers 340 to rotate in different directions, the upper casing 100 and the lower casing 200 are rotated all the time, the inserted pencil is slowly fed into the blade 351 beside the second hole 311, the driving wheel 400 is driven while the upper casing 100 rotates, the driving wheel 400 is rotated by the cutter shaft 350 through the matching with the second tooth 352 on the cutter shaft 350, the blade 351 cuts off the pencil head which is slowly fed towards the second groove 312, the pencil scraps are left in the cavity, and the pencil can be slowly fed towards the first hole 110 by reversely rotating the upper casing 100 and the lower casing 200, the pencil can also be directly pulled out.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a pencil sharpener, a serial communication port, including normal running fit last casing (100) and lower casing (200), go up casing (100) and lower casing (200) and form the cavity that can hold cutter unit (300), cutter unit (300) and the normal running fit linkage of last casing (100) and lower casing (200), upward be equipped with on casing (100) with cutter unit (300) cooperation and supply first hole (110) that the pencil passes through, the pencil is realized removing through the normal running fit of last casing (100) and lower casing (200).

2. The pencil sharpener of claim 1, wherein the upper casing (100) and the lower casing (200) are respectively provided with a first guide groove (120) and a second guide groove (210) for preventing the upper casing (100) and the lower casing (200) from being separated, and the upper casing (100) and the lower casing (200) are relatively rotated by the cooperation of the first guide groove (120) and the second guide groove (210).

3. A sharpener as claimed in claim 1, wherein said cutter assembly (300) comprises a shaft (310), and a mounting seat (220) for fixing the shaft (310) is provided in the lower housing (200).

4. The pencil sharpener as claimed in claim 3, wherein the cutter assembly (300) comprises a rotary plate (320), a first fixing seat (330) for limiting rotation of the rotary plate (320) is arranged in the upper casing (100), a first groove (321) matched with the rotary shaft (310) is arranged on the rotary plate (320), and the rotary plate (320) is rotated on the first fixing seat (330) through the rotation matching of the rotary shaft (310) and the first groove (321).

5. The pencil sharpener as claimed in claim 4, wherein the turntable (320) is provided with a protrusion (322), the protrusion (322) is circularly arrayed on the turntable (320) with the turntable (320) as a circle center, the first fixing seat (330) is provided with two material rollers (340) for clamping a pencil, the material rollers (340) are provided with first teeth (341) matched with the protrusion (322), and the pencil is rotationally matched with the two material rollers (340) through the turntable (320) to realize reciprocating motion perpendicular to the direction of the turntable (320).

6. The pencil sharpener as claimed in claim 5, wherein a second hole (311) corresponding to the first hole (110) and allowing a pencil to be inserted is formed in the rotating shaft (310), a second groove (312) is formed in the wall of the second hole (311), a cutter shaft (350) is arranged on the rotating shaft (310) and corresponding to the second groove (312), a knife edge (351) used for sharpening the pencil is formed in the cutter shaft (350), a driving wheel (400) is arranged in the upper shell (100), the driving wheel (400) is fixedly assembled in the upper shell (100), second teeth (352) matched with the driving wheel (400) are formed in the cutter shaft (350), the cutter shaft (350) rotates on the rotating shaft (310) relatively through matching of the driving wheel (400) and the second teeth (352), and the pencil is sharpened through rotation of the cutter shaft (350) at the second groove (312).

7. The pencil sharpener as claimed in claim 6, wherein a second fixing seat (130) is provided in the upper housing (100), a protrusion (131) for preventing the driving wheel (400) from being detached from the second fixing seat (130) is provided on the second fixing seat (130), a third groove (410) adapted to the protrusion (131) is provided on the driving wheel (400), and the driving wheel (400) is fixedly assembled on the second fixing seat (130) by the cooperation of the protrusion (131) and the third groove (410).

8. The pencil sharpener as claimed in any one of claims 1 to 7, wherein a plug (500) is arranged at the bottom of the lower shell (200), and the plug (500) is fixedly assembled with the lower shell (200).

9. The sharpener of claim 8, wherein the plug (500) is threadably fixedly attached to the lower housing (200).