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Pencil clamping mechanism of pencil sharpener

A pencil sharpener and pencil clamping technology, which can be used in sharpening devices, printing, office supplies, etc., can solve the problems of decreased stability of pen clamping and pencils that cannot be cut normally, and achieve the effect of improving stability and reducing resistance

Active Publication Date: 2017-09-19
SUNWOOD HLDG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the pen clamping mechanism of the above-mentioned hand-held pencil sharpener can realize the clamping and loosening of the pencil, it also has some shortcomings: after the chuck drives the three clamping blocks to clamp the pencil, the chuck still It is in a state of being able to rotate freely, which means that the three clamping blocks are in a movable state
When the pencil rotates under this force, the three clamping blocks will be stretched outwards, so that the pencil will be loosened during cutting, resulting in a decrease in the stability of the clamping pen, and the pencil will therefore appear relatively to the sharpening mechanism. The pencil cannot be cut normally due to the tilted state

Method used

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  • Pencil clamping mechanism of pencil sharpener
  • Pencil clamping mechanism of pencil sharpener
  • Pencil clamping mechanism of pencil sharpener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] figure 1 , figure 2 with image 3 Shown, a kind of pen clamp mechanism of pencil sharpener, pencil sharpener comprises casing 1 and is arranged on the pencil sharpener core 2 in casing 1, and this pencil clamp mechanism comprises screw cap 3, rotating disc 4, chuck 5 and A plurality of pen holders 6, the upper end of the casing 1 is open, the rotary cover 3 is connected to the top of the casing 1 and can rotate relative to the casing 1, the center of the rotary cover 3 is provided with a first pen entry hole 3a, the rotating disk 4 and The chucks 5 are all arranged in the pencil sharpener movement 2 , and each pen clamping block 6 is located between the rotating disk 4 and the chuck 5 .

[0037] Such as figure 2 with image 3 As shown, the center of the upper end face of the pencil sharpening core 2 is provided with a second pen inlet 2a, and the second pen inlet 2a is opposite to the first pen inlet 3a. The bottom of the screw cap 3 has a number of protruding co...

Embodiment 2

[0046] The structure and principle of this embodiment are basically the same as that of Embodiment 1, except that in this embodiment, positioning holes are provided on the outer peripheral side of the turntable 4, and the elastic positioning members are springs and steel balls arranged in the positioning holes. The positioning grooves 5a2 are spherical in shape, and when the positioning holes are opposite to the positioning grooves 5a2, some steel balls are inserted into the positioning grooves 5a2 under the elastic force of the spring.

[0047] During the rotation of the turntable 4, the steel ball is pushed against the inner wall of the annular protrusion 5a under the elastic force of the spring, but because the steel ball is spherical, the steel ball is in line contact with the inner wall of the annular protrusion 5a, so although the steel ball is pushed against the inner wall of the annular protrusion 5a The inner wall of the annular protrusion 5a does not affect the rotati...

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Abstract

The invention provides a pencil clamping mechanism of a pencil sharpener, and belongs to the technical field of machines. By adoption of the pencil clamping mechanism of the pencil sharpener, the problem that a pencil clamping mechanism of an existing pencil sharpener is poor in pencil clamping stability is solved. The pencil sharpener comprises a case. The pencil clamping mechanism of the pencil sharpener comprises a rotary disc, a clamping disc and a plurality of pencil clamping blocks, wherein the rotary disc, the clamping disc and the pencil clamping blocks are all arranged in the case; the rotary disc can rotate and can drive the pencil clamping blocks to clamp or release pencils when rotating; the clamping disc is fixed in the case, and an annular protrusion is arranged in the clamping disc; the rotary disc is located on the inner side of the annular protrusion, a plurality of positioning grooves are formed in the inner circumferential wall of the annular protrusion in the circumferential direction, and elastic positioning pieces are arranged on the outer circumferential side of the rotary disc; and when the rotary disc rotates, the elastic positioning pieces can be embedded in the positioning grooves or disengage from the positioning grooves by means of elastic force of the elastic positioning pieces. The pencil clamping mechanism of the pencil sharpener has the advantages that the pencil clamping stability is high, and the rotary disc can rotate normally.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a pencil sharpener, in particular to a pen clamping mechanism of the pencil sharpener. Background technique [0002] Existing pencil sharpeners are generally divided into manual pencil sharpeners and electric pencil sharpeners, but whether they are manual or electric, they basically include a pen clamping mechanism and a pencil sharpening mechanism. After passing through the pen clamping mechanism, enter the pencil sharpening mechanism, use the pen clamping mechanism to clamp the pencil, and then use the pencil sharpening mechanism to cut the pencil manually or automatically, and then release the pencil through the pen clamping mechanism after the pencil is cut. Finally, take out the pencil. [0003] At present, the structure of the pen clamping mechanism used on the pencil sharpener is relatively diverse, and the way of clamping the pen is also relatively diverse. For example, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B43L23/00B43L23/08
CPCB43L23/00B43L23/08
Inventor 林夏森
Owner SUNWOOD HLDG GROUP
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