CN200967334Y

CN200967334Y - Length adjustable pencil

Info

Publication number: CN200967334Y
Application number: CN 200620094257
Authority: CN
Inventors: 苗华越
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-21
Filing date: 2006-11-21
Publication date: 2007-10-31
Anticipated expiration: 2016-11-21

Abstract

The utility model relates to a length-adjusted pen consisting of a pen tube, a cap and a rear cover. The rear cover is a screw-shaped structure, the surface of the rear cover is plum-shaped and the portion inserting in the pen tube of the rear cover is processed with threads. The rear cover is connected with the pen tube screws. When the pen is used, the user rotates and pulls out the rear cover, inserts the refill inside the pen tube, exposes the top of the refill out of the top of the pen tube, inserts the screw of the rear cover in the pen tube, downwards rotates the rear cover until the lower end surface of the rear cover is contacted with the end of the refill. The utility model has the advantages of simple structure, convenient use, beautiful appearance, using in conjunction with the refills of different lengths.

Description

The adjustable-length pen

Technical field the utility model relates to a kind of writing implement, the especially a kind of novel pen that can adjust length.

Technical background is well-known, and pen is a most important writing implement in the life and work.Of a great variety, the great variety of models of pen, but all there is common defective in which kind of pen, and that can't change penholder length exactly.The class that this shortcoming is constantly changed pen core to needs such as ball pens is especially serious, because the penholder of each ball pen and pen core length correspondence in case both length can't be corresponding, then can't install and use.This problem is brought very big inconvenience to people.So we provide a kind of novel pen that can regulate penholder length.

The summary of the invention the purpose of this utility model provides a kind of adjustable-length pen, is used to solve the problem that conventional pen can't be adjusted length, can't change according to pen core length.

For achieving the above object, the utility model adjustable-length pen comprises the shaft of a writing brush, the cap for brush and bonnet, and bonnet is the bolt shape structure, and the surface is the plum blossom shape, inserts shaft of a writing brush part surface and is processed with screw thread; Bonnet is threaded with the shaft of a writing brush.

After adopting said structure, user's rotation earlier takes out bonnet, then pen core is inserted shaft of a writing brush inside, make the pen core top expose shaft of a writing brush top, again the shank of bolt of bonnet is inserted in the shaft of a writing brush, and be rotated down bonnet gradually, stop with terminal the contact promptly of pen core up to the bonnet lower surface.

The utility model has the advantages that: simple in structure, convenient and practical, good looking appearance, adjustable length, can with the supporting use of the pen core of different length.

Description of drawings Fig. 1 is the overall structure schematic diagram of the utility model adjustable-length pen.

The specific embodiment as shown in Figure 1, the utility model adjustable-length pen comprises the shaft of a writing brush 1, the cap for brush 2 and bonnet 3, bonnet 3 is the bolt shape structure, the surface is the plum blossom shape, inserts the shaft of a writing brush 1 part surface and is processed with screw thread; Bonnet 3 is threaded with the shaft of a writing brush 1.

Claims

1, a kind of adjustable-length pen comprises the shaft of a writing brush (1), the cap for brush (2) and bonnet (3), it is characterized in that: bonnet (3) is the bolt shape structure, and the surface is the plum blossom shape, inserts the shaft of a writing brush (1) part surface and is processed with screw thread; Bonnet (3) is threaded with the shaft of a writing brush (1).