CN2138569Y - Inverted cap for pen - Google Patents

Abstract

The utility model relates to an inverted pen cap for preventing the hair of a writing brush from being inverted, which is composed of a sheath and an end cover. When the inverted pen cap is used, the end cover is opened, the sheath is pushed toward a pen head from the rear end of a pen holder, and the end cover is covered after the pen head is hooded by the sheath. Since the pen cap operates along the brush hair, the occurrence of inverted hair can be effectively prevented. Additionally, the pen cap which is made integrally has the advantage of low cost.

Description

Inverted cap for pen

The utility model relates to a kind of reversed stream formula pen cap that is used for the anti-down hair of writing brush.

The existing writing brush pen cap is in last cover process, because contrary hair operation tends to cause down the hair phenomenon.Not only shorten the service life of writing brush, also influenced its writing effect.In a kind of known anti-down Writing brush cap (90214029.9), radially sandwich mode owing to adopt, still have may existing of folder hair; And this structure more complicated is not suitable for producing in batches.

The reversed stream formula pen cap that the utility model is alleged, it can prevent down hair effectively; Simultaneously, relatively simple for structure, suitable applying.

Task of the present utility model is to finish as follows: the pen cap is made up of sheath and end cap two parts.End cap is opened during last cover, pushes sheath to nib from the penholder rear portion, when treating that sheath covers nib, end cap is covered again.Move along hair because of whole process, prevented from a hair phenomenon effectively.

Below with reference to the accompanying drawing example illustrated the utility model is described in further detail.

The longitudinal sectional drawing of Fig. 1 reversed stream formula pen cap.

Fig. 2 is fixed on the schematic diagram of the reversed stream formula pen cap on the penholder.

Description of drawings: (1) pen cap; (2) end cap; (3) sheath; (4) connecting band; (5) the inside bossy body in lower end; (6) nib; (7) penholder.

With reference to Fig. 1, the pen cap (1) divides end cap (2) and sheath (3) two parts to form, and is connected by connecting band (4).During loam cake, sheath (3) is pushed nib (6) to from penholder (7), and covers end cap (2).The inner chamber of sheath (3) is convenient to sheath (3) and is gone up operation at penholder (7) greater than 1～4 millimeter of the external diameter of penholder (7).The inside bossy body in lower end (5) has certain elasticity, makes sheath (3) when the fixed position, can not be free to slide; And adapt to the external diameter variation within the specific limits of penholder (7).

With reference to Fig. 2, when writing, the pen cap (1) can be persisted on penholder (7), avoid losing.During abeyance, the penholder (7) of the band pen cap (1) directly can be put on the table, penholder (7) can not roll, and nib (6) can not stain desktop.

In a kind of optimum structure form, sheath (3) and end cap (2) can reduce cost together with connecting band (4) integral manufacturing.

Claims (5)

1, the pen cap of an anti-down hair of writing brush is characterized in that being made up of sheath (3) and end cap (2) two parts.

2, the pen cap according to claim 1, the intracavity diameter that it is characterized in that sheath (3) is greater than penholder (7) 1～4mm.

3, the pen cap according to claim 1 is characterized in that the inside bossy body in lower end (5) of sheath (3) is an elastomer.

4, the pen cap according to claim 1 is characterized in that between sheath (3) and the end cap (2) connecting band (4) being set.

5, the pen cap according to claim 4 is characterized in that sheath (3), end cap (2) and connecting band (4) are integral manufacturing.