CN2677174Y

CN2677174Y - New type chalk slecve

Info

Publication number: CN2677174Y
Application number: CN 200420003580
Authority: CN
Inventors: 金慧莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-02-17
Filing date: 2004-02-17
Publication date: 2005-02-09
Anticipated expiration: 2014-02-17

Abstract

The utility model discloses a new type chalk sleeve, aiming to solve the problems of chalk-dust absorbing and convenient chalk-dust cleaning. The new type chalk sleeve mainly comprises a net sheet, an inner sleeve, a tail plug and a push button. The utility model is characterized in that: the whole chalk is inserted inside the inner sleeve; the outer edge of the upper part of the inner sleeve is adhered to the edge of the inner ring of the net sheet; the edge of the outer ring of the net sheet is adhered to the upper part of an outer sleeve; the lower part of the outer sleeve is thread-connected with the upper end of the tail plug. The utility model is provided with easy production.

Description

Novel chalk casing

(1) technical field:

The utility model relates to novel chalk casing, divides by International Patent Classification (IPC) (IPC) to belong to operation, Department of Transportation, and printing branch is write or drawing appliance, and the big class of office appliance is write or the drawing appliance group clamper of pencil or chalk; The pencil connector; Big group of the protector of reservoir tip, the technical field of wax crayon or chalk clamper group.

(2) background technology:

At present, the clamper that has now and once had about pencil or chalk; The pencil connector; Big group of the protector of reservoir tip, the technology of wax crayon or chalk clamper group was all done very fruitful effort to the needs of novel chalk casing, also once designed many outstanding technical schemes.As declaring of the Decree of Patent Office of China on the 23rd October in 2002 by University Of Shanxi, Granted publication is that CN2517587Y China Patent No. (ZL) is: ZL01259312.5 number utility model patent title is the utility model patent of " a kind of pen and special-purpose pencil box thereof ", the technical scheme that is adopted is at the clamper of pencil or chalk; The pencil connector; Big group of the protector of reservoir tip, the technical elements of wax crayon or chalk clamper group are routine of great value inventions, and it has solved effectively and has substituted traditional blackboard chalk, eliminates dust pollution, builds the technical problem of the teaching environment of a cleaning.But still have some deficits, it also is difficult to solve and absorbs chalk dust; Chalk dust empties technical problem easily.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of novel chalk casing to absorb chalk dust to solve; Chalk dust empties technical problem easily.

The technical scheme that above-mentioned technical problem to be solved in the utility model adopted is achieved in that novel chalk casing of the present utility model, mainly is made of chalk, net sheet, interior cover, overcoat, micro-cleaner, tail plug, button.

In shape, structure and combination thereof, the total essential features of novel chalk casing of the present utility model and immediate prior art is: the integral position of micro-cleaner is inlayed the position, sunken inside place that is installed in the tail plug, the outer end position of tail plug is fixedly mounted on the integral position of button, be combined into the combining structure of stopper shape, function has been the effect of dust suction, control.In shape, structure and combination thereof, the novel chalk casing of the present utility model technical characterictic different with immediate prior art is: the interior location of cover in the integral position straight cutting of chalk is installed in, the interior ring marginal position that is connected the net sheet is pasted in the outward flange position, upper end of interior cover, be combined into the bascule of cap for brush shape, function has been the fixedly effect of chalk.The outer shroud marginal position of net sheet is pasted the upper end position that is connected overcoat, and the lower end position of overcoat is threaded in the upper end position of tail plug, is combined into the bascule of sleeve-shaped, and function has been the effect of dress chalk dust.So just reached the absorption chalk dust of novel chalk casing of the present utility model; Chalk dust empties purpose easily:

The beneficial effect of the novel chalk casing of utility model is that the utility model is to solve to absorb chalk dust; Chalk dust empties technical scheme and the clamper about pencil or chalk existing and that once had that technical problem adopted easily; The pencil connector; Big group of the protector of reservoir tip, the technology of wax crayon or chalk clamper group has been compared two advantages and improvement:

First, owing to designed the interior location that the integral position straight cutting of chalk is installed in interior cover in the technical scheme of novel chalk casing of the present utility model, the interior ring marginal position that is connected the net sheet is pasted in the outward flange position, upper end of interior cover, be combined into the bascule of cap for brush shape, so the fixing technical problem of chalk of easier solution.

Second, paste the upper end position that is connected overcoat owing to designed the outer shroud marginal position of net sheet in the technical scheme of novel chalk casing of the present utility model, the lower end position of overcoat is threaded in the upper end position of tail plug, be combined into the bascule of sleeve-shaped, so the technical problem of easier solution dress chalk dust.

(4) description of drawings:

Accompanying drawing provides the structural representation of novel chalk casing of the present utility model:

Fig. 1: the whole sectional structure schematic diagram that is novel chalk casing of the present utility model;

The label declaration at each position in the schematic diagram:

Cover 4 overcoats in 1 chalk, the 2 net sheets 3

5 micro-cleaners, 6 tail plugs, 7 buttons

(5) specific embodiment:

Below in conjunction with accompanying drawing, novel chalk casing of the present utility model is absorbed chalk dust for realizing solution; The optimal way that chalk dust empties the technical scheme that technical problem easily takes is described further:

Its static structure: see also accompanying drawing: as shown in the figure, novel chalk casing of the present utility model mainly is made of chalk 1. net sheets 2, interior cover 3, overcoat 4, micro-cleaner 5, tail plug 6, button 7.Its major part chalk 1, micro-cleaner 5, tail plug 6, button 7 are selected for use by market.Its net sheet 2 is toroidals of band mesh, is material with plastics, through special process manufacturing.Its interior cover 3 is that cylinder has the bottomless drum shape shape, is material with plastics, through the pressure rolling processing and manufacturing.Its overcoat 4 is bottomless drum shaped shapes, is material with plastics, through the pressure rolling processing and manufacturing.

In shape, structure and combination thereof, the total essential features of novel chalk casing of the present utility model and immediate prior art is: the integral position of micro-cleaner 5 is inlayed the position, sunken inside place that is installed in tail plug 6, the outer end position of tail plug 6 is fixedly mounted on the integral position of button 7, be combined into the combining structure of stopper shape, function has been the effect of dust suction, control.In shape, structure and combination thereof, the novel chalk casing of the present utility model technical characterictic different with immediate prior art is: the interior location of cover 3 in the integral position straight cutting of chalk 1 is installed in, the interior ring marginal position that is connected net sheet 2 is pasted in the outward flange position, upper end of interior cover 3, be combined into the bascule of cap for brush shape, function has been the fixedly effect of chalk.The outer shroud marginal position of net sheet 2 is pasted the upper end position that is connected overcoat 4, and the lower end position of overcoat 4 is threaded in the upper end position of tail plug 6, is combined into the bascule of sleeve-shaped, and function has been the effect of dress chalk dust.

Below by using method, further set forth the dynamic structure relation of this practical novel chalk casing: in use, when needs are write letter written with chalk, according to theory of mechanics, at first chalk is positioned in the cover, touch the button 7 then, when writing then again ash is absorbed in the mantle cavity, thereby finish the task of sucking chalk powder.

In use, in needs are removed cover, chalk dust the time,, at first tail plug 6 is taken off, outwell the chalk dust in the cavity volume then according to theory of mechanics, the tail plug 6 of screwing on then again, thus finish the task easily that empties.So just realized the absorption chalk dust of novel chalk casing of the present utility model; Chalk dust empties the technical scheme of technical problem easily.

Realize that preferred plan of the present utility model is is material with plastics, utilize the basic equipment of plastics factory, take to produce by batch greatly, the demand with supply educational circles so just can realize novel chalk casing practical value of the present utility model and economic worth better.

Claims

1. novel chalk casing, it is to be made of chalk (1), net sheet (2), interior cover (3), overcoat (4), micro-cleaner (5), tail plug (6), button (7), the integral position of its micro-cleaner (5) is inlayed the position, sunken inside place that is installed in tail plug (6), the outer end position of tail plug (6) is fixedly mounted on the integral position of button (7), it is characterized in that: the integral position straight cutting of chalk (1) is installed in the interior location of interior cover (3), and the interior ring marginal position that is connected net sheet (2) is pasted in the outward flange position, upper end of interior cover (3).

2. novel chalk casing according to claim 1 is characterized in that: the outer shroud marginal position of net sheet (2) is pasted the upper end position that is connected overcoat (4), and the lower end position of overcoat (4) is threaded in the upper end position of tail plug (6).