CN201020979Y - Telescopic minitype pen - Google Patents

Abstract

The utility model provides a telescopic micro pen which can be connected with a key and which can change the length through telescoping. A discharge cap is connected with a pen sleeve through a screw thread, the discharge cap and an external pull rod are tightly fitted, a middle pull rod is arranged at the front end of the external pull rod, a pen core is arranged at the front end of the middle pull rod. The external pull rod, the middle pull rod, and the pen core can be relatively pulled along the axial direction, the pen core is a ball pen core which is utilized as one of the pull rods, a hole is arranged at the right end of the pen sleeve for threading the key ring, when the utility model is used, the pen sleeve is first screwed off, and then the external pull rod, the middle pull rod, and the pen core are elongated axially, and the pen is particularly suitable for carrying about in summers when people wear thin clothes.

Description

Flexible miniature pen

Affiliated technical field

The utility model relates to a kind of retractable miniature pen, belongs to stationery writing instrument.

Background technology

In hot summer, clothing are thin, and it is very inconvenient to insert one-pen in the pocket, and easily loses, if do pen very small and exquisite,, will make things convenient for key chain together.

Summary of the invention

The purpose of this utility model is to be inspiration with the radio telescopic antenna, design designs, unload cap and the pen cap by being threaded, unloading cap and outside link is interference fit, the outside link front end is provided with middle pull bar, the front end of middle pull bar is provided with pen core, can spur relatively along axis direction between outside link, middle pull bar, the pen core three, pen core is a refill for ball-point pen herein, and as one pull bar wherein, pen cap right-hand member one hole is used to wear key-ring usefulness, during use, the pen cap is backed out, and axial elongation outside link, middle pull bar, pen core get final product then.

The utility model compared with prior art has the following advantages: simple in structure, small and exquisite, use easy to carry.

Description of drawings

Fig. 1 is the axial section enlarged drawing.

Elongation state figure when Fig. 2 is to use.

Among the figure: 1, unload cap, 2, outside link, 3, middle pull bar, 4, pen core, 5, the pen cap.

The specific embodiment

See Fig. 1, unload cap (1) and the pen cap (5) for being threaded, unloading cap (1) is interference fit with outside link (2), its magnitude of interference must be able to make both with the hands separate, so that the replacing pen core can spur relatively along axis direction between outside link (2), middle pull bar (3), pen core (4) three, pen core is a refill for ball-point pen herein, and as one pull bar wherein, the pen cap (5) right-hand member one hole is used to wear key-ring and uses.

State such as Fig. 1 of the pen of time spent before the use, do not twist and unload cap (1), make and use part to separate that can avoid the influence of key chain to writing like this, the both hands branch is held outside link (2) and pen core (4) then with the pen cap (5), direct-axis is to elongation, as Fig. 2, just can use.

Claims (2)

1. flexible miniature pen unloads cap and the pen cap by being threaded, and it is characterized in that: the outside link front end is provided with middle pull bar, and the front end of middle pull bar is provided with pen core.

2. flexible miniature pen according to claim 1, it is characterized in that: the right-hand member of the pen cap is provided with a hole.

Images