CN2767182Y

CN2767182Y - Point detachable pencil

Info

Publication number: CN2767182Y
Application number: CN 200520000233
Authority: CN
Inventors: 刘俐利
Original assignee: 刘俐利
Priority date: 2005-01-07
Filing date: 2005-01-07
Publication date: 2006-03-29
Anticipated expiration: 2015-01-07

Abstract

A point detachable pencil belongs to the technical field of working; transport department, print subdivision, subclass of appliances for writing or drawing, mechanism group for automatic feeding cores by pressure when using the pencil, according to the International Patent Classification (IPC). Its purpose is the problems of saving the wood and making the pencil cap long enough. It is chiefly composed of a button, a pen nose, a penholder, a pen head, a pencil cap and a pencil tip. The utility model is characterized in that: the root of the pencil tip is straight inserted to the bottom of the pencil cap which is inserted to the nib of the pen head, and the end of the pencil cap is sheathed with the inner side at the bottom of the button. It has wide purpose, and it is easy to produce and popularize, and convenient in use.

Description

The pencil of interchangeable nib

(1) technical field:

The utility model relates to the pencil of interchangeable nib, divides by International Patent Classification (IPC) (IPC) to belong to operation; Department of Transportation, printing branch is write or drawing appliance; The big class of office appliance is write or the drawing appliance group, and big group of propelling pencil has when using pencil, by the technical field of the group of mechanism of pressure auto-feed pen core.

(2) background technology:

At present, existing and once had about big group of propelling pencil, have when using pencil, by the technology of the group of mechanism of pressure auto-feed pen core the needs of the pencil of interchangeable nib were all done very fruitful effort, also once designed many outstanding technical schemes.As declaring in winter of the Decree of Patent Office of China on February 26th, 2003 by Lu, Granted publication is that CN2537553Y China Patent No. (ZL) is: ZL01277661.0 number utility model patent title is the utility model patent of " a kind of rotary propelling pencil ", the technical scheme that is adopted, big group of propelling pencil, have when using pencil, technical elements by the group of mechanism of pressure auto-feed pen core is a routine of great value invention, and it has solved the technical problem that pencil can rotate automatically effectively.But still have some deficits, it also is difficult to solve saves timber; Make the sufficiently long technical problem of point protector.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of pencil of interchangeable nib to save timber to solve; Make the sufficiently long technical problem of point protector.

The technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that the pencil of interchangeable nib of the present utility model, mainly is made of button, a nose, penholder, nib, point protector, tip of a pencil.

In shape, structure and combination thereof, the total essential features of the pencil of interchangeable nib of the present utility model and immediate prior art is: the annulus position fit of a nose is installed in the upper position of penholder, the bottom position of penholder is threaded in the tip position of nib, be combined into the integrative-structure of pen shape, function has been the effect of writing.In shape, structure and combination thereof, the pencil of the interchangeable nib of the present utility model technical characterictic different with immediate prior art is: the root position straight cutting of tip of a pencil is installed in the bottom position of point protector, the bottom position clamping of point protector is connected the pen tip position of nib, be combined into the fixed structure of nib shape, function has been to do without timber, saves the effect of timber.The tail position fit of point protector is installed in the bottom inside position of button, and the bottom outside position fit of button is connected the tip position of penholder, is combined into the bascule of the circular bar shape of band projection, and function has been the effect that point protector is pushed away forward.So just reached the saving timber of the pencil of interchangeable nib of the present utility model; Make the sufficiently long purpose of point protector.

The beneficial effect of the pencil of the interchangeable nib of utility model is that the utility model is to solve to save timber; Make technical scheme that the sufficiently long technical problem of point protector adopted and existing and once had about big group of propelling pencil, have when using pencil, compared two place's advantage and improvement by the technology of the group of mechanism of pressure auto-feed pen core.

First, because the root position straight cutting that has designed tip of a pencil in the technical scheme of the pencil of interchangeable nib of the present utility model is installed in the bottom position of point protector, the bottom position clamping of point protector is connected the pen tip position of nib, be combined into the fixed structure of nib shape, so easier solution is done without timber, save the technical problem of timber.

Second, because the tail position fit that has designed point protector in the technical scheme of the pencil of interchangeable nib of the present utility model is installed in the bottom inside position of button, the bottom outside position fit of button is connected the tip position of penholder, be combined into the bascule of the circular bar shape of band projection, so the technical problem that easier solution pushes away point protector forward.

(4) description of drawings:

Accompanying drawing provides the structural representation of the pencil of interchangeable nib of the present utility model:

Fig. 1: the overall structure schematic diagram that is the pencil of interchangeable nib of the present utility model;

Fig. 2: the pencil stub structural representation that is the pencil of interchangeable nib of the present utility model;

The label declaration at each position in the schematic diagram:

2 noses of 1 button, 3 penholders, 4 written 5 point protectors, 6 tip of a pencils

(5) specific embodiment:

Below in conjunction with accompanying drawing, the pencil of interchangeable nib of the present utility model is saved timber for realizing solution; The optimal way of the technical scheme that the sufficiently long technical problem of point protector taked is described further:

Its static structure: see also accompanying drawing: as shown in the figure, the pencil of interchangeable nib of the present utility model mainly is made of button 1, a nose 2, penholder 3, nib 4, point protector 5, tip of a pencil 6.An its major part nose 2, penholder 3, written 4 are selected for use by market.Its button 1 is a cylindrical shape, is material with plastics, through the thermoforming processing and manufacturing.Its point protector 5 is cylindrical shapes, is material with plastics, through the thermoforming processing and manufacturing.Its tip of a pencil 6 is cone shapes, is material with lead, through the chemical process manufacturing.

In shape, structure and combination thereof, the total essential features of the pencil of interchangeable nib of the present utility model and immediate prior art is: the annulus position fit of a nose 2 is installed in the upper position of penholder 3, the bottom position of penholder 3 is threaded in the tip position of nib 4, be combined into the integrative-structure of pen shape, function has been the effect of writing.In shape, structure and combination thereof, the pencil of the interchangeable nib of the present utility model technical characterictic different with immediate prior art is: the root position straight cutting of tip of a pencil 6 is installed in the bottom position of point protector 5, the bottom position clamping of point protector 5 is connected the pen tip position of nib 4, be combined into the fixed structure of nib shape, function has been to do without timber, saves the effect of timber.The tail position fit of point protector 5 is installed in the bottom inside position of button 1, and the bottom outside position fit of button 1 is connected the tip position of penholder 3, is combined into the bascule of the circular bar shape of band projection, and function has been the effect that point protector is pushed away forward.

Below by using method, further set forth the dynamic structure relation of the pencil of this practical interchangeable nib: in use, when needs write, according to physical principle, at first set up point protector 5, tip of a pencil 6 then, write then again, thereby finish the task of writing.

In use, in the time of needs change-fountain pen point,, at first take next point protector 5 according to physical principle, then from the rear portion with a point protector 5, with button 1 it is pushed then again, thereby finishes the task of change-fountain pen point.So just realized the saving timber of the pencil of interchangeable nib of the present utility model; Make the technical scheme of the sufficiently long technical problem of point protector.

Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of commodity processing factory, take small serial production,, so just can realize the pencil practical value and the economic worth of interchangeable nib of the present utility model better with the demand of supply educational circles.

Claims

1. the pencil of interchangeable nib, it is to be made of button (1), a nose (2), penholder (3), nib (4), point protector (5), tip of a pencil (6), the annulus position fit of its nose (2) is installed in the upper position of penholder (3), the bottom position of penholder (3) is threaded in the tip position of nib (4), it is characterized in that: the root position straight cutting of tip of a pencil (6) is installed in the bottom position of point protector (5), and the bottom position clamping of point protector (5) is connected the pen tip position of nib (4).

2. the pencil of interchangeable nib according to claim 1, it is characterized in that: the tail position fit of point protector (5) is installed in the bottom inside position of button (1), and the bottom outside position fit of button (1) is connected the tip position of penholder (3).