CN2381498Y - Writing tool on blackboard - Google Patents

Abstract

The utility model discloses a writing tool on a blackboard, which is particularly suitable for writing on a blackboard. The utility model is composed of a nib, a writing tool holder, a writing tool cap, a writing tool rod, etc., wherein, the fiber nib is inserted into the writing tool holder and is contacted and fixed to a spongy mass in the writing tool holder to make ink in a writing liner directly supplied to the nib through the spongy mass; a device which can prevent ink outwards flowing is arranged in the writing tool holder; the device can avoid ink flowing waste and polluting a writing tool body and a hand. The utility model has the advantages of simple structure, fluent writing, no writing tool blocking, no ink dropping, no flowing and hanging, full stroke and clear character body. The utility model can be used in the field of education, culture, art, advertisements, etc.

Description

A kind of writing on the blackboard pen

The utility model relates to the fountain pen that a kind of suitable writing on the blackboard is used.

Along with the appearance of writing on the blackboard erasable ink, seen the writing on the blackboard pen that perfusion water-based erasable ink is arranged in recent years, this pen is used for teaching or other blackboards are write, and is expected to replace traditional chalk, changes dried wet the writing that be written as, and has to solve the advantage that chalk dust pollutes teaching environment.Known a kind of writing on the blackboard fountain pen is that nib is passed through a pen direct pen core of connecting in the barrel, leads ink transport to nib by the pen core suction and writes.But this writing on the blackboard pen is owing to lead China ink through pen core, and that pen core is led the line of ink marker is longer, add that the water-based erasable ink belongs to inorganic matter and Organic Ingredients develops, its concentration, viscosity are all big than common ink, write or intermittence is write the stifled pen of Shi Junyou, ink leak, sagging, disadvantages such as fluency is not good enough, stroke is inhomogeneous, poor definition in continuity.

The purpose of this utility model is to overcome the defective that known writing on the blackboard pen exists, and a kind of difficult obstruction is provided, fluent writing, the writing on the blackboard pen of anti-ink leak.

The scheme that the utility model purpose realizes is: the writing on the blackboard pen that is provided is made of nib, pen item, the cap for brush, penholder etc., it is characterized in that being fixed with cavernous body in the pen item, Xiang Yiduan slopes inwardly and vertically is recycled to step again after extending and is close to cavernous body, thereby form a chamfering, behind a pen center insertion nib, nib leaves the gap with the front half-end of a pen vertical regression aspect, and later half end is established air slot, by cavernous body the barrel of nib and Sheng ink is linked up.

The utility model in use, is swung penholder owing to be provided with cavernous body, and ink then constantly is stored in cavernous body and the nib, makes nib often keep saturation state, reaches fluent writing, the effect that font is clear.Owing to being provided with chamfering, even the outside seepage flow of small volume of ink, also can be trapped in to be unlikely in the chamfering to flow out outside the pen wastes, pollutes handwriting and staff again.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the cutaway view of an embodiment of the utility model.

As shown in Figure 1, in the pen item 5 supporting spring 7 is housed, is fixed with cavernous body 6 by supporting spring 7.Pen 5 one ends slope inwardly and vertically reclaim step pressing cavernous body 6 again after extending, thereby form the chamfering 3 of a similar right angled triangle of vertical section, and front half-end has certain interval between vertical plane and the nib 2, and later half end is provided with air slot 4.The wall of nib 2 along air slot 4 inserted in the pen item 5, and contact with cavernous body 6.Chamfering 3, air slot 4 steps that are provided with in the pen 5 play and support nib 2, prevent that nib 2 is absorbed in the pen, imports air and anti-ink leak effect.The cap for brush 1 bilayer covers nib 2 back sealings, prevents the ink volatilization.Present embodiment saves barrel, directly replaces with penholder 8.Penholder 8 is packed into and is directly screwed in screw thread on the pen 5 behind the ink and connect tightening seal and get final product.In case inclination penholder 8, ink promptly immerse cavernous body.

Claims (4)

1, a kind of writing on the blackboard pen, by nib (2), pen (5), the cap for brush (1), penholder formations such as (8), it is characterized in that being fixed with cavernous body (6) in the pen (5), pen (5) one ends slope inwardly extend after vertical again the recovery be close to cavernous body (6), thereby form a chamfering (3), behind pen (5) center insertion nib (2), nib (2) leaves the gap with the front half-end of pen (5) vertical recovery, later half end is established air slot (4) step, by cavernous body (6) barrel of nib (2) and Sheng ink is linked up.

2,, it is characterized in that in pen item (5), being equipped with supporting spring (7), by the fixing cavernous body (6) of supporting spring (7) according to the described writing on the blackboard pen of claim 1.

3,, it is characterized in that replacing barrel directly to pack into screwing in behind the ink screw thread on the pen (5) with penholder (8) according to claim 1 or 2 described writing on the blackboard pens.

4,, it is characterized in that utilizing air slot (4) step supporting nib (2) according to the described writing on the blackboard pen of claim 1.