A kind of writing with pen
Technical field
The present invention relates to a kind of writing with pen.
Background technology
Writing with pen, the history that can trace back to more than one thousand years of stationery manufacturing; But until modern age, its body particularly holds a pen place's cross section still for circular, its feature purpose only is can select arbitrarily in its circumference 360 degree scopes when holding a pen for the user who satisfies pen, easy to use, a body of this structure is accustomed to by people already, but in fact there is following defective in it: nib is blocked by finger when easily causing child to hold a pen, and then elbow removes to see clearly the motion track of nib so that child twists, form incorrect pen holding posture for a long time in the past, caused myopia; Particularly because cylindrical body is little with the contact area of middle finger so that with first joint of the author's middle finger owing to for a long time and cylindrical body is pressed, rubbing produces thick silkworm cocoon.Therefore, write with the geometry that holds a pen and locate of pen according to the ergonomics designing and making, optimize the firmly uniformity, the way of contact and the contact area of three fingers, seem particularly important.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of writing with pen.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of writing with pen, comprise be used to the pen core that writes, and surround pen core for a body that grips, body is provided with the section of holding a pen, the cross section of the described section that holds a pen is three leaf arc surfaced structures, and it comprises three peak sections and three paddy sections, and peak section and paddy section circumferentially are alternately distributed around a body center, wherein three peak sections are positioned apart with thumb, forefinger, middle finger, and three paddy sections contact with thumb, forefinger, middle finger respectively.
As improvement of the technical scheme, described three peak sections are circumferentially uniform around a body center.
Further, described wherein two peak sections are 150 ° of angles, and the paddy section between these two peak sections is used for and abutment; All be 105 ° of angles between another peak section and this two peak sections.
Further, described paddy section is towards a convex globoidal that protrude in the body outside.
Further, described paddy section is the cancave cambered surface towards the inboard depression of a body.
Further, described body and the one-body molded setting of section that holds a pen.
Further, the described section of holding a pen is set in the pen pen cap with it.
Further, described body threaded one end is connected with the locking spiral cover, the other end pen hanging hook that has been threaded, and the pen hanging hook buckle is connected with written end cap.
The invention has the beneficial effects as follows: the present invention ergonomically is designed to three leaf arc surfaced structures with the section of holding a pen, make the thumb that holds a pen, forefinger, middle finger NATURAL DISTRIBUTION in three paddy sections of three leaf arc surfaceds, and by three peak sections that thumb, forefinger, middle finger is naturally positioned apart, strengthened the contact area of the section that holds a pen and finger, and homogenizing three fingers uniformitys firmly, simultaneously so that the process of the word that writes with a pen under the prerequisite that keeps sitting posture, hold the motion track that the author can observe nib clearly, then reached the hold a pen purpose of mode of standard.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the decomposing schematic representation of the preferred embodiment of the present invention;
Fig. 2 is the stereogram of a body in the preferred embodiment of the present invention;
Fig. 3 is the cross sectional representation of a body in the preferred embodiment of the present invention.
The specific embodiment
Referring to figs. 1 through Fig. 3, a kind of writing with pen of the present invention, comprise be used to the pen core 1 that writes, and surround the body 2 that pen core 1 is used for gripping, and a body 2 is provided with the section of holding a pen, and the cross section of the described section that holds a pen is three leaf arc surfaced structures, it comprises three peak sections 201 and three paddy sections 202, peak section 201 and paddy section 202 circumferentially are alternately distributed around a body 2 centers, and wherein three peak sections 201 are positioned apart with thumb, forefinger, middle finger, and three paddy sections 202 contact with thumb, forefinger, middle finger respectively.The described section of holding a pen can choose as required aluminium alloy, magnesium alloy, reach the processing and fabricatings such as the larger timber of density, plastic cement.The present invention ergonomically is designed to three leaf arc surfaced structures with the section of holding a pen, make the thumb that holds a pen, forefinger, middle finger NATURAL DISTRIBUTION in three paddy sections 202 of three leaf arc surfaceds, and by three peak sections 201 that thumb, forefinger, middle finger is naturally positioned apart, strengthened the contact area of the section that holds a pen and finger, and homogenizing three fingers uniformitys firmly, simultaneously so that the process of the word that writes with a pen under the prerequisite that keeps sitting posture, hold the motion track that the author can observe nib clearly, then reached the hold a pen purpose of mode of standard.
With reference to Fig. 3, described three peak sections 201 are circumferentially uniform around a body 2 centers, be that included angle A, B, C are 120 °, this structure is so that thumb, thumb, forefinger, middle finger are naturally positioned apart with hexagonal angle, strengthened the contact area of each paddy section 202 and finger sidepiece, and homogenizing three fingers uniformitys firmly.Perhaps, general body 2 tilts when writing holding a pen to consider people, middle finger is stressed all large than thumb and forefinger, for the dynamics that holds a pen of three fingers of homogenizing better, the present invention also may be embodied as: described wherein two peak sections 201 are 150 ° of angles, be that included angle A is 150 °, the paddy section 202 between these two peak sections 201 is used for and abutment; All be 105 ° of angles between another peak section 201 and this two peak sections 201, namely included angle B, C are 105 °.
In order to improve the comfort level that holds a pen, increase the contact area of finger and paddy section 202, described paddy section 202 preferentially selects globoidal structure, and namely described paddy section 202 be the convex globoidal towards a body 2 outsides protrusion, perhaps, described paddy section 202 is the cancave cambered surfaces towards a body 2 inboard depressions.
The present invention can be according to actual needs, with described body 2 and the one-body molded setting of section that holds a pen, at this moment, three leaf arc surfaced structures of the section that holds a pen can only be set at the place of holding a pen of a body 2, in order to make whole body 2 more attractive in appearance, also whole body 2 can be arranged to three leaf arc surfaced structures of the section of holding a pen; Certainly, the described section of holding a pen also can be for being set in the pen cap on the body 2, i.e. a body 2 and the part body setting that holds a pen, this is so that the producer can be under the geometric shape that does not change existing pencil, ballpoint pen, pen etc., directly the processing pen cap has reduced production cost, has enlarged simultaneously the scope of application.
Preferably, in this specific embodiment, described body 2 threaded one end are connected with locking spiral cover 3, the other end pen hanging hook 4 that has been threaded, and pen hanging hook 4 buckles are connected with written end cap 5.Certainly the present invention also can be embodied as, a body 2 and locking spiral cover 3 one-body molded or a body 2 and pen hanging hook 4 integrated structures.
Disclosed all features in this specification, or the step in disclosed all methods or the process, except the speciality and/or step of mutual repulsion, all can make up by any way, unless special narration all can be replaced by other equivalences or the alternative features with similar purpose, namely, unless special narration, each feature is an embodiment in a series of equivalences or the similar characteristics.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.