CN2216926Y

CN2216926Y - Means for holding pen with prolonging function

Info

Publication number: CN2216926Y
Application number: CN 94242745
Authority: CN
Inventors: 刘开鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-10-11
Filing date: 1994-10-11
Publication date: 1996-01-10
Anticipated expiration: 2004-10-11

Abstract

The utility model relates to a means for holding pen with a prolonging function, which is composed of a plurality of sleeves which are tightly fitted and are with tapers slightly. A groove which is available for the insertion of pencil of different shapes is opened on the end of the outer sleeve, the excircle of the end is provided with threads, a nut can be screwed on to strengthen the tightening property, and the sleeves can be freely telescopic to meet the needs of different lengths. Because the inner sleeve is provided with a taper, the inner sleeve can not be pulled out, a short pencil which is added to the means for holding pen with a prolonging function can be always run out, and the utility model reduces the wastage of pencils.

Description

Means for holding pen with prolonging function

The utility model relates to the cultural goods field, is specially adapted to using the pencil elongated of weak point.

At present, the pencil length that numerous pupils use is generally about 18cm, and the actual length of using has only about 11cm, remainder is because bad holding, just being taken as waste product has thrown away, the staff of whole nation pupil and use pencil has 200,000,000 approximately, used a pencil to calculate with everyone 5 days, amounted to about 24 of the pencil that slatterns in 1 year, if every is wasted 6 yuan approximately by 0.25 yuan of calculating, 200,000,000 people use will waste 1,200,000,000 yuan, how surprising this be a numeral, and also do not have a kind of instrument that can effectively use up pencil on the market now.

Task of the present utility model is: design a kind of Means for holding pen with prolonging function, use short pencil to be fully used, reduce the waste of pencil, save valuable timber resources.

The technical solution of the utility model is: Means for holding pen with prolonging function is the pre-large post-small tubular high polymer material of tapering slightly, for adapting to the difference on the pencil diameter, having at the front end of sleeve pipe can be for four sulculus that strut, there is external screw thread pipe front end outside, the telescope that closely cooperates is with it arranged in the pipe, when the cover front end is inserted in the pencil tail end,, designed a tapped nut that can cooperate with external screw thread for increasing stability.Pull out telescopic lengthening sleeve pipe, can make and obtain lengthening with short pencil, extension elongation can be by user oneself control, and cover can not pull from overcoat in the tapering because integral body slightly is.

Further specify technology contents of the present utility model below in conjunction with accompanying drawing:

Fig. 1 is an outline drawing of the present utility model

The Means for holding pen with prolonging function overcoat slightly is pre-large post-small pipe (1) to be had on external screw thread (4) 90 ° of arcs of five equilibrium in garden, end week in its end and has groove (6), nut (5) can screw on the screw thread (4), because tapering slightly, along with the precession degree of depth increases, can progressively strengthen the intensity that combines with pencil, inner sleeve (2) and outer tube (1) tight fit, inner sleeve (3) closely cooperates with inner sleeve (2), because cover (1), (2), (3) all slightly be the little tapered of unanimity, so (2) can not pull out from (1), (3) can not from (2), pull out, can only progressively step up with the increase of pulling out length.

1., can be with any with short the utility model has following advantage and effect: The pencil socket is fully used short pencil; 2., its length can be with the user Require to change arbitrarily, maximum is pulled out the length of holding that length can satisfy staff; 3., Make simply, easy to use, but Reusability.

Claims

1, a kind of Means for holding pen with prolonging function is characterized in that: this Means for holding pen with prolonging function is closely cooperated and is formed by several the sleeve pipes (1), (2), (3) that slightly are tapering, and its end has the groove (6) that can Gong be inserted in, and the cylindrical place have screw thread can with tighten up nut (5) and cooperate.

2, a kind of Means for holding pen with prolonging function according to claim 1, it is characterized in that: the maximum of said Means for holding pen with prolonging function is pulled out length and is advisable to hold.