CN201376407Y - Adjustable pen - Google Patents

Abstract

The utility model discloses an adjustable pen suitable for various pen cores, which comprises a pen tube. A pen core is arranged inside the pen tube, and a top rod for fixing the pen core is arranged at the end of the pen tube and is in threaded connection with the pen tube. A user can replace pen cores with different specifications by adjusting the position of the top rod with respect to the pen tube. The adjustable pen has the advantages of simple structure, convenient use, and esthetic appearance.

Description

Adjustable lettering pen

Technical field

The utility model relates to a kind of adjustable lettering pen, especially a kind of adjustable lettering pen that can be suitable for multiple pen core specification.

Technical background

Ball (water-based) pen is the writing implement of using always, and plurality of specifications is arranged, and the pen container of different size uses the pen core of different length and size.Because pen core is different in size, varies in size, can not exchange, pen core uses up the back pen container can only use the pen core of same size, otherwise can only throw away, and makes troubles to the user, perhaps causes waste.Although the lettering pen that can be fit to the different size pen core is also arranged at present, but these design is all complicated, as the patent No. is that to disclose a kind of ball pen be exactly the pen core that the position of the cross screw by regulating the pen container side is suitable for different length to CN2871220Y, but cross screw protrudes in the pen container outside, such project organization complexity, use also inconvenience, and not attractive in appearance.

The utility model content

The purpose of this utility model is to provide a kind of adjustable lettering pen of plurality of specifications pen core simple in structure, applicable.

Adjustable lettering pen of the present utility model comprises the shaft of a writing brush, and pen core is housed in the shaft of a writing brush, is provided with the fixedly push rod of pen core in the end of the shaft of a writing brush, adopts between described push rod and the shaft of a writing brush to be threaded.

Described push rod can be fixed on the cap for brush.

After having adopted such structure, when the user need change pen core, push rod can be screwed out, pen core be unloaded change, be applicable to the pen core of different size by the relative position of regulating push rod and pen container, the caliber of pen container is considered according to the maximum specification pen core.Compared with prior art, simple in structure, easy to use, the good looking appearance of described adjustable lettering pen.

Description of drawings

Fig. 1 is the profile of adjustable lettering pen.

Fig. 2 is the profile of the cap for brush.

The specific embodiment

See figures.1.and.2, adjustable lettering pen is made up of the shaft of a writing brush 1, push rod 2, the cap for brush 3 and pen core 4.Pen core 4 is housed in the shaft of a writing brush 1, and the end of the shaft of a writing brush 1 is provided with the fixedly push rod 2 of pen core 4, adopts between push rod 2 and the shaft of a writing brush 4 to be threaded, and push rod 2 is fixed on the cap for brush.When needs are changed pen core 4, by with the cap for brush 3 back-outs, just can very easily pen core 4 be taken out from pen container 1 top and change, the relative position of regulating the cap for brush 3 and pen container 1 by the rotation cap for brush 3 is the pen core 4 of applicable different size.

Claims (2)

1, a kind of adjustable lettering pen comprises the shaft of a writing brush, and pen core is housed in the shaft of a writing brush, it is characterized in that: be provided with the fixedly push rod of pen core in the end of the shaft of a writing brush, adopt between described push rod and the shaft of a writing brush to be threaded.

2, adjustable lettering pen according to claim 1, it is characterized in that: described push rod is fixed on the cap for brush.

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