CN201881693U - Automatic pen capable of adapting to pen cores with different lengths - Google Patents

Abstract

The utility model discloses an automatic pen capable of adapting to pen cores with different lengths, belonging to an article for writing or painting. The utility model is particularly suitable for all kinds of automatic pens. The automatic pen capable of adapting to pen cores with different lengths comprises an automatic pen tube and a pen core, and is characterized in that a lengthening spring is installed in a screw cap at the top of the automatic pen tube and the lower end of the lengthening spring is connected with a circular plastic stopper. The automatic pen has the beneficial effects that since the lengthening spring is added in the automatic pen tube and can push the circular plastic stopper to adapt to the pen cores with different lengths, resources are saved, the structure is simple and the automatic pen is convenient and practical to use.

Description

Starting writing certainly of a kind of suitable different length pen core

Technical field

The utility model belongs to be write or drawing article, particularly various from starting writing.

Background technology

Various is people's the most frequently used instruments of writing or draw from starting writing, and the length of the pen core that the general automatic shaft of a writing brush needs is certain, can not use the pen core of different length.

The utility model content

In order to overcome the deficiency that the automatic shaft of a writing brush can not adapt to the different length pen core, the purpose of this utility model provides a kind of energy and is fit to starting writing certainly of different length pen core, and this can be fit to starting writing certainly of different length pen core, is convenient to arbitrarily change pen core.

The technical scheme that its technical problem that solves the utility model adopts is: a kind of energy is fit to starting writing certainly of different length pen core, comprise the automatic shaft of a writing brush, pen core, it is characterized in that: in the top screw lid of the shaft of a writing brush lengthening spring is housed automatically, the lower end of lengthening spring connects the round plastic washer.

The beneficial effects of the utility model are that the lengthening spring promotes the pen core that plastics garden sheet adapts to different length, economizes on resources owing in the shaft of a writing brush lengthening spring is being installed automatically.The utility model is simple in structure, and is convenient and practical.

Description of drawings

Fig. 1 is a structural representation of the present utility model,

Among the figure, 1. screw lid, 2. lengthening spring, 3. plastics washer, the 4. shaft of a writing brush, 5. pen core automatically.

The specific embodiment

The specific embodiment of the present utility model is, as shown in the figure:

Embodiment 1, and a kind of energy is fit to starting writing certainly of different length pen core, comprises the automatic shaft of a writing brush 4, pen core 5, it is characterized in that: lengthening spring 2 is housed in the top screw lid 1 of the shaft of a writing brush automatically, and the lower end of lengthening spring connects round plastic washer 3.

Claims (1)

1. one kind can be fit to starting writing certainly of different length pen core, comprises the automatic shaft of a writing brush, pen core, it is characterized in that: in the top screw lid of the shaft of a writing brush lengthening spring is housed automatically, the lower end of lengthening spring connects the round plastic washer.

Images