CN201329711Y

CN201329711Y - Pen for refills with various lengths

Info

Publication number: CN201329711Y
Application number: CNU2008202383380U
Authority: CN
Inventors: 季芹芹
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-29
Filing date: 2008-12-29
Publication date: 2009-10-21
Anticipated expiration: 2018-12-29

Abstract

The utility model discloses a pen for refills with various lengths, which comprises a pen shell and a pen refill. The upper end of the pen shell is provided with a screw rod connected with through threads; the lower end of the screw rod is provided with a clamp groove; and the upper end of the pen refill props in the clamp groove. When the pen refill is required to be replaced, the screw rod is screwed out, the pen refill is jacked in the clamp groove at the lower end of the screw rod and then inserted into the pen shell; and the screw rod is s finally crewed tightly. The utility model has the advantages of simple structure and convenient use, saves the material and greatly facilitates the use.

Description

Can use the pen of different length pen core

Technical field

The utility model relates to a kind of cultural goods, is specifically related to a kind of pen that uses the different length pen core.

Background technology

In study and work, ball pen is the requisite writing implements of people, but ball pen will often be changed pen core, and the pen core of selling on the market is different in size again, buys pen core wrong will bring unnecessary trouble to the user, causes the waste of pen core.

Summary of the invention

In order to solve the problems of the technologies described above, the utility model provides a kind of pen that uses the different length pen core.

The utility model is achieved by the following technical solution: a kind of pen that uses the different length pen core, comprise a shell and pen core, and described shell upper end is provided with the stubborn bar that is threaded; Described stubborn bar lower end is manufactured with draw-in groove, and the top, upper end of pen core is contained in the draw-in groove.

Good effect of the present utility model is: simple in structure, easy to use, both saved material, and bring easy greatly again to the user.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the utility model cutaway view;

Among the figure: 1 a, shell, 2, twist bar, 3, pen core.

The specific embodiment

As shown in Figure 1, a kind of pen that uses the different length pen core comprises a shell and pen core, and described shell 1 upper end is provided with the stubborn bar 2 that is threaded; Described stubborn bar 2 lower ends are manufactured with draw-in groove, and the top, upper end of pen core 3 is contained in the draw-in groove.As shown in Figure 1, when needing to change pen core, only need to twist bar 2 and back-out, top, pen core upper end is contained in the draw-in groove of twisting bar 2 lower ends, then pen core is inserted a shell 1, tighten bar 2 and get final product from a shell 1 upper end.The utility model is simple in structure, and is easy to use, saved material again, brings great convenience to the user.

Claims

1, a kind of pen that uses the different length pen core comprises a shell and pen core, it is characterized in that: described shell (1) upper end is provided with the stubborn bar (2) that is threaded; Described stubborn bar (2) lower end is manufactured with draw-in groove, and the top, upper end of pen core (3) is contained in the draw-in groove.