CN203267595U

CN203267595U - Dustproof durable electronic pencil sharpener

Info

Publication number: CN203267595U
Application number: CN 201320060772
Authority: CN
Inventors: 邓更强
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-04
Filing date: 2013-02-04
Publication date: 2013-11-06
Anticipated expiration: 2023-02-04

Abstract

The utility model discloses a dustproof durable electronic pencil sharpener, comprising a shell, a pencil sharpening mechanism, a transmission gear set, a first spacer ring and a second spacer ring, wherein the upper end and the lower end of the pencil sharpening mechanism are respectively provided with a first rotating shaft and a second rotating shaft in a protruding way, the lower end, corresponding to the outside of the second rotating shaft, of the pencil sharpening mechanism is provided with a sleeve in a protruding way, one ends of the first spacer ring and the second spacer ring are respectively extended into a first shaft hole and a second shaft hole and clamped on a base of the shell, the other ends of the first spacer ring and the second spacer ring are respectively extended out of a rotary accommodating area of the shell, the outer side walls of the first spacer ring and the second spacer ring are in seal connection with the first shaft hole and the second shaft hole respectively, the transmission gear set is arranged in the base, an output end of the transmission gear set is rotationally inserted into the second spacer ring, the pencil sharpening mechanism is arranged in the rotary accommodating area, the first rotating shaft is rotationally connected into the first spacer ring, the second rotating shaft is fixedly connected with the output end of the transmission gear set, and the sleeve is rotationally sleeved on the second spacer ring. According to the dustproof durable electronic pencil sharpener, the first spacer ring and the second spacer ring are used for reducing friction as well as preventing the shavings from blocking the two ends of the pencil sharpening mechanism.

Description

A kind of dustproof durable electric pencil sharpener

Technical field

The utility model relates to dynamo-electric field, relates in particular to a kind of dustproof durable electric pencil sharpener.

Background technology

Electric pencil sharpener is the instrument of cutting the pen bits, a planer structure of current electric pencil sharpener is rotatably connected in the corresponding holding tank of housing, the rotating shaft of planer structure directly contacts with corresponding axis hole, frictional force is large on the one hand, noise is many, on the other hand, pen bits are easily filled in the position of intersecting to rotating shaft and axis hole, the carrying out smoothly and service life of electric pencil sharpener of impact plane.

Therefore, demand that a kind of frictional force is little, noise is few urgently and anticlogging dustproof durable electric pencil sharpener, the plane pen is carried out more smoothly, and extend the service life of dustproof durable electric pencil sharpener.

The utility model content

The purpose of this utility model is to provide that a kind of frictional force is little, noise is few and anticlogging dustproof durable electric pencil sharpener, the plane pen is carried out more smoothly, and extend the service life of dustproof durable electric pencil sharpener.

to achieve these goals, the technical solution of the utility model is: a kind of dustproof durable electric pencil sharpener is provided, comprise housing, planer structure, driving gear set, the first spacer ring and the second spacer ring, described housing comprises footstock, middle interconnecting piece and base, described base and described footstock one are connected in lower end and the upper end of described middle interconnecting piece, described footstock, form rotation between middle interconnecting piece and base and hold the district, described footstock holds the place, district over against described rotation and has the first axis hole, described base holds the place, district over against described rotation and has the second axis hole, the upper end of described planer structure and lower end convex with respectively the first rotating shaft and the second rotating shaft, convex with sleeve outside corresponding described the second rotating shaft in the lower end of described planer structure, one end of described the first spacer ring puts in described the first axis hole and is fastened on described footstock, the other end of described the first spacer ring stretches out described rotation and holds the district, the lateral wall of described the first spacer ring and described the first axis hole sealing are joined, one end of described the second spacer ring puts in described the second axis hole and is fastened on described base, the other end of described the second spacer ring stretches out described rotation and holds the district, the lateral wall of described the second spacer ring and described the second axis hole sealing are joined, described driving gear set is placed in described base, the output rotary insertion of described driving gear set is connected in described the second spacer ring, described planer set up in described rotation and held in the district, described the first rotating shaft is rotatably connected in described the first spacer ring, the output of described the second rotating shaft and described driving gear set is affixed, described sleeve rotating is sheathed on outside described the second spacer ring, described footstock is provided with pen plane jack, the plane pen district of described pen plane jack and described planer structure communicates.

described planer structure comprises planing tool, knife rest, hold-down screw and hold-down nut, have the first screw on described planing tool, the front of described knife rest is provided with the planing tool installing zone, have the second screw that runs through described knife rest on described planing tool installing zone, described planing tool is placed on described planing tool installing zone, corresponding described the second screw place, the back of institute's knife rest is provided with the nut fixed area, described hold-down nut is fastened in described nut fixed area, described hold-down screw screws successively to pass described the first screw and the second screw and screw with described hold-down nut and joins, thereby planing tool is fixed on described planing tool installing zone.Hold-down nut is fixed in the nut fixed area, is convenient to install and remove planing tool.

Described dustproof durable electric pencil sharpener also comprises cover cap, and described cover cap is sheathed on described rotation to be held outside the district.

Compared with prior art, the dustproof durable electric pencil sharpener of the utility model is by installing the first spacer ring, the second spacer ring, reduce noise thereby can reduce friction on the one hand, can effectively prevent on the other hand pen bits jam at a two ends of planer structure, make the plane pen more smooth and easy and extend service life of dustproof durable electric pencil sharpener.

By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.

Description of drawings

Fig. 1 is the decomposing schematic representation of the dustproof durable electric pencil sharpener of the utility model.

Fig. 2 is the cross-sectional schematic of the dustproof durable electric pencil sharpener of the utility model.

Fig. 3 is the structural representation of a planer structure of the dustproof durable electric pencil sharpener of the utility model.

Fig. 4 is the decomposing schematic representation of a planer structure of the dustproof durable electric pencil sharpener of the utility model.

The specific embodiment

Referring to figs. 1 to Fig. 4, the dustproof durable electric pencil sharpener 100 of the utility model comprises housing 10, a planer structure 20, driving gear set 30, the first spacer ring 40, the second spacer ring 50 and cover cap 60.

Described housing 10 comprises footstock 11, middle interconnecting piece 12 and base 13.Described base 13 and described footstock 11 one are connected in lower end and the upper end of described middle interconnecting piece 12.Form rotation between described footstock 11, middle interconnecting piece 12 and base 13 and hold district 14.Described footstock 11 holds 14 places, district over against described rotation and has the first axis hole 111, and described base 13 holds 14 places, district over against described rotation and has the second axis hole 131.

Described planer structure 20 comprises planing tool 21, knife rest 22, hold-down screw 23 and hold-down nut 24.Have the first screw 211 on described planing tool 21, the front of described knife rest 22 is provided with planing tool installing zone 221.Have the second screw 222 that runs through described knife rest 22 on described planing tool installing zone 221.Described planing tool 21 is placed on described planing tool installing zone 221.Corresponding described the second screw 222 places, the back of institute's knife rest 22 are provided with nut fixed area 223, and described hold-down nut 24 is fastened in described nut fixed area 223.Described hold-down screw 23 screws successively to pass described the first screw 211 and the second screw 222 and screw with described hold-down nut 24 and joins, thereby planing tool 21 is fixed on described planing tool installing zone 221.The upper end of described planer structure 20 and lower end convex with respectively the first rotating shaft 201 and the second rotating shaft 202.Convex with sleeve 203 outside corresponding described the second rotating shaft 202 in the lower end of described planer structure 20.

One end of described the first spacer ring 40 puts in described the first axis hole 111 and is fastened on described footstock 11, and the other end of described the first spacer ring 40 stretches out described rotation and holds district 14, and the lateral wall of described the first spacer ring 40 and described the first axis hole 11 sealings are joined.One end of described the second spacer ring 50 puts in described the second axis hole 131 and is fastened on described base 13.The other end of described the second spacer ring 50 stretches out described rotation and holds district 14, and the lateral wall of described the second spacer ring 50 and described the second axis hole 131 sealings are joined.

Described driving gear set 30 is placed in described base 13.Output 31 rotary insertions of described driving gear set 30 are connected in described the second spacer ring 50.

Described planer structure 20 is placed in described rotation to be held in district 14.Described the first rotating shaft 201 is rotatably connected in described the first spacer ring 40, described the second rotating shaft 202 is affixed with the output of described driving gear set 30, described sleeve 203 rotary sleeves are located at outside described the second spacer ring 50, described footstock 11 is provided with a pen plane jack 112, and the plane pen district 204 of described pen plane jack 112 and described planer structure 20 communicates.Described cover cap 60 is sheathed on described rotation to be held outside district 14.

During dustproof durable electric pencil sharpener 100 work of the utility model, planer structure 20 rotates and realizes the action of plane pen thereby travelling gear combination 30 bands are started writing.In a plane process, because the outer wall of the first spacer ring 40, the second spacer ring 50 joins with the first axis hole 111 and the second axis hole 113 sealings respectively, the first rotating shaft 201 and the second rotating shaft 202 rotary insertion respectively are connected in the first spacer ring 40 and the second spacer ring 50, reduce noise thereby can reduce friction on the one hand, can effectively prevent on the other hand pen bits jam at a two ends of planer structure 20, make the plane pen more smooth and easy and extend service life of dustproof durable electric pencil sharpener 100.

It should be noted that this planing tool can be blade type, can be rotaryly yet, the structure of driving gear set is not limited to, as long as can allow a planer structure rotation.

Abovely in conjunction with most preferred embodiment, the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to the essence of the present embodiment.

Claims

1. dustproof durable electric pencil sharpener, it is characterized in that: comprise housing, planer structure, driving gear set, the first spacer ring and the second spacer ring, described housing comprises footstock, middle interconnecting piece and base, described base and described footstock one are connected in lower end and the upper end of described middle interconnecting piece, described footstock, form rotation between middle interconnecting piece and base and hold the district, described footstock holds the place, district over against described rotation and has the first axis hole, described base holds the place, district over against described rotation and has the second axis hole, the upper end of described planer structure and lower end convex with respectively the first rotating shaft and the second rotating shaft, convex with sleeve outside corresponding described the second rotating shaft in the lower end of described planer structure, one end of described the first spacer ring puts in described the first axis hole and is fastened on described footstock, the other end of described the first spacer ring stretches out described rotation and holds the district, the lateral wall of described the first spacer ring and described the first axis hole sealing are joined, one end of described the second spacer ring puts in described the second axis hole and is fastened on described base, the other end of described the second spacer ring stretches out described rotation and holds the district, the lateral wall of described the second spacer ring and described the second axis hole sealing are joined, described driving gear set is placed in described base, the output rotary insertion of described driving gear set is connected in described the second spacer ring, described planer set up in described rotation and held in the district, described the first rotating shaft is rotatably connected in described the first spacer ring, the output of described the second rotating shaft and described driving gear set is affixed, described sleeve rotating is sheathed on outside described the second spacer ring, described footstock is provided with pen plane jack, the plane pen district of described pen plane jack and described planer structure communicates.

2. dustproof durable electric pencil sharpener as claimed in claim 1, it is characterized in that: described planer structure comprises planing tool, knife rest, hold-down screw and hold-down nut, have the first screw on described planing tool, the front of described knife rest is provided with the planing tool installing zone, have the second screw that runs through described knife rest on described planing tool installing zone, described planing tool is placed on described planing tool installing zone, corresponding described the second screw place, the back of institute's knife rest is provided with the nut fixed area, described hold-down nut is fastened in described nut fixed area, described hold-down screw screws successively to pass described the first screw and the second screw and screw with described hold-down nut and joins, thereby planing tool is fixed on described planing tool installing zone.

3. dustproof durable electric pencil sharpener as claimed in claim 1, it is characterized in that: also comprise cover cap, described cover cap is sheathed on described rotation to be held outside the district.