CN201099075Y - Ball pen - Google Patents

Abstract

The utility model provides a ball-point pen which structurally comprises a pen refill baffle, a barrel, a pen refill sleeve, a pen refill and a sleeve protrusion. The pen refill is arranged inside the pen refill sleeve. The sleeve protrusion is provided at the lower part of the pen refill sleeve. The upper end of a spring is latched on the sleeve protrusion. The pen refill baffle is arranged in the upper part of the barrel. Compared with prior retractable ball-point pen, the ball-point pen is convenient to carry, and when the ball-point pen is pressed by an external force or crashed, the ball doesn't emerge to contaminate the contact article. The ball-point pen has the advantages of reasonable design, simple structure, easy use and high promotion value.

Description

A kind of ball pen

1, technical field

The utility model relates to a kind of schooling apparatus, a kind of specifically ball pen.

2, background technology

Existing extension type ball pen, people's general custom are placed in pencil box, briefcase, the pocket, but nib will stretch out outside the penholder when ball pen is subjected to external force collision or extruding, and ballpoint pen oil is signed on the contactant, and being unfavorable for very is attractive in appearance.

3, summary of the invention

The purpose of this utility model is to overcome above-mentioned shortcoming, and a kind of portable ball pen is provided.

The technical solution of the utility model realizes in the following manner, it is characterized in that forming by pen core barrier plate, penholder, pen core sleeve pipe, pen core, sleeve pipe protrusion, pen core is enclosed within the pen core inside pipe casing, the bottom of pen core sleeve pipe is provided with sleeve pipe and protrudes, the upper end cutting ferrule pipe of spring protrudes, and is provided with the pen core barrier plate on the top of penholder.

The utility model has the advantages that: ball pen of the present utility model is easy to carry, and pen core head can not expose yet and is drawn on the contactant when ball pen is subjected to external force extruding or collision.

4, description of drawings

Accompanying drawing 1 is a structural representation of the present utility model;

Structural representation when accompanying drawing 2 stretches out for pen core sleeve pipe of the present utility model;

Accompanying drawing 3 is the A-A cross-sectional schematic

Accompanying drawing 4 is the structural representation of pen core sleeve pipe;

Mark in the accompanying drawing is represented respectively: 1, pen core barrier plate; 2, penholder; 3, pen core sleeve pipe; 4, pen core; 5, sleeve pipe protrudes; 6, spring; 7, cover pipe through-hole.

5, the specific embodiment

Below in conjunction with accompanying drawing ball pen of the present utility model is done following detailed description the in detail.

As shown in drawings, ball pen of the present utility model is characterized in that protruding 5 by pen core barrier plate 1, penholder 2, pen core sleeve pipe 3, pen core 4, sleeve pipe forms, pen core 4 is arranged on the inside of pen core sleeve pipe 3, the bottom of pen core sleeve pipe 3 is provided with sleeve pipe and protrudes 5, the upper end of spring 6 is stuck in sleeve pipe and protrudes on 5, and the top of penholder 2 is provided with pen core barrier plate 1.

Pen core sleeve pipe 3 is the pipe of last end closure lower ending opening, and the upper end of pen core sleeve pipe 3 is provided with cover pipe through-hole 7.

Pen core barrier plate 1 passes two ends and is fixed on the penholder 2 from cover pipe through-hole 7, guarantee that pen core barrier plate 1 does not hinder moving of pen core sleeve pipe 3 easy on and off.

The afterbody of pen core 4 withstands on the pen core barrier plate 1, can guarantee that ball pen does not in use teetertotter.

The lower end of ball pen nib and penholder can be changed pen core easily by being threaded.

Its processing and fabricating of a kind of ball pen of the present utility model is very simple and convenient, can process shown in the accompanying drawing to specifications.

Except that the described technical characterictic of specification, be the known technology of those skilled in the art

Claims (4)

1, a kind of ball pen, it is characterized in that forming by pen core barrier plate, penholder, pen core sleeve pipe, pen core, sleeve pipe protrusion, pen core is arranged on the inside of pen core sleeve pipe, the bottom of pen core sleeve pipe is provided with sleeve pipe and protrudes, the upper end of spring is stuck in sleeve pipe and protrudes, and the top of penholder is provided with the pen core barrier plate.

2, a kind of ball pen according to claim 1 is characterized in that the pen core sleeve pipe is the pipe of last end closure lower ending opening, and the upper end of pen core sleeve pipe is provided with the cover pipe through-hole.

3, a kind of ball pen according to claim 1 and 2 is characterized in that the pen core barrier plate passes two ends and is fixed on the penholder from the cover pipe through-hole.

4, a kind of ball pen according to claim 1 is characterized in that the afterbody of pen core withstands on the pen core barrier plate.

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