CN210941054U - Pencil extender - Google Patents

Abstract

The utility model discloses a pencil extender, which integrates three functions of an extender, a pencil cap and a pencil holding posture corrector into a whole, wherein the extender body is triangular in appearance, and concave holes are arranged on three surfaces of the extender body, so that the pencil holding posture can be corrected; the extension both ends are equipped with the trompil of the different diameters that supplies the pencil to insert, the design of the different diameters of trompil inner structure through a plurality of model designs, can all the pencils of compatible diameter difference.

Description

Pencil extender

Technical Field

The utility model relates to a pencil extender.

Background

The existing extenders, pen caps and pen holding posture correcting devices in the market are all single-function, or are pure extenders without functions of pen caps and pen holding posture correcting devices; or the pen cap is a single pen cap without the functions of an extender and a pen holding posture corrector; or the pen holding posture corrector is a single pen holding posture corrector and does not have the functions of an extender and a pen cap. In addition, the extenders, caps and posture correcting devices in the past and the present market are all of a single size, and only can be suitable for pencils with a specific single diameter, and the pencils with different diameters cannot be compatible, so that the accessories need to be frequently replaced when a child replaces the pencils, and the cost is high due to the excessive accessories, the capacity of a pen box or a pen bag is occupied, and the accessories are easy to lose.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pencil extender collects extender, cap for brush, holds three kinds of functions in an organic whole of a positive appearance ware, through a plurality of model designs, can compatible diameter different pencil, has solved among the prior art extender, cap for brush, has held the single function of a positive appearance ware and only is suitable for the problem of specific single size pencil.

The technical scheme of the utility model is realized like this:

the utility model provides a pencil extender, includes the extender body, extender body cross-section is triangle-shaped, the trilateral concavity that is equipped with of extender body, extender body both ends are equipped with the trompil of the different diameters that supplies the pencil to insert.

As a preferred embodiment of the present invention, the dimples are evenly, equidistantly and regularly distributed on three sides of the extender body, and the axial positions of the dimples on each side are staggered with respect to each other.

As the utility model discloses a preferred embodiment, the trompil diameter is different at the both ends of extender body, is the echelonment in the at least one end trompil, contains the through-hole of two sections at least different diameters, and the numerical value of through-hole diameter diminishes from outside to inside gradually.

As a preferred embodiment of the present invention, the shape of the concave hole includes, but is not limited to, oval, oblique, egg-shaped, saddle-shaped.

As a preferred embodiment of the present invention, the depth of the concave hole is 0.5mm to 2 mm.

As a preferred embodiment of the present invention, the diameter of the opening is in the range of 3mm to 15 mm.

As a preferred embodiment of the present invention, the extender body is made of metal, plastic or wood.

The beneficial effects of the utility model reside in that: solves the problems of single function of the extender, the pen cap and the pen holding posture corrector in the prior art and the application of the extender, the pen cap and the pen holding posture corrector only to a specific single-diameter pencil.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a pencil extender;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a schematic view of a first side of the pencil extender;

FIG. 5 is a schematic view of the second side of the pencil extender;

FIG. 6 is a schematic view of a third side of the pencil extender;

FIG. 7 is a perspective view of the first and third sides of the pencil extender.

In the drawings, 1-the extender body; 2-concave cavities; and 3, opening the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work, such as all the products with two superimposed functions, such as all pen cap, extender or pen cap, pen holding posture corrector or extender, pen holding posture corrector, etc., all belong to the protection scope of the present invention.

As shown in fig. 1-7, the utility model provides a pencil extender, including extender body 1, extender body 1 cross-section is triangle-shaped, and extender body 1 is trilateral to be equipped with concave hole 2, and extender body 1 both ends are equipped with the trompil 3 that supplies the different diameters of pencil male.

The concave holes 2 are evenly, equidistantly and regularly distributed on three side surfaces of the extender body 1, the axial positions of the concave holes 2 on each side surface are staggered, and the size and the shape of the concave holes 2 are not limited to be the same as those of the attached drawings. The shape of the concave hole 2 includes but is not limited to an ellipse, an oblique shape, an egg shape and a saddle shape, and the depth of the concave hole 2 is 0.5 mm-2 mm.

The diameters of the openings 3 at the two ends of the extender body 1 are different, the openings 3 at least one end are stepped and comprise at least two sections of through holes with different diameters, and the numerical value of the diameter of each through hole is gradually reduced from outside to inside. The internal structure of the extender body 1 is shown in the figure, and the extender body has three sections with different size and diameter structures. The diameter of the opening 3 ranges from 3mm to 15 mm. The extender body 1 is made of metal, plastic or wood. Specifically, for example, the innermost portion of the right-end opening 3 in the figure may be provided with a groove (not shown) having a smaller diameter for accommodating the sharpening portion of the pencil, so as to prevent the sharpening portion from being broken.

The triangular section is only one example, and the section can be in other shapes.

The utility model discloses multi-functional pencil extender, the function combination differs, through a plurality of model designs, can compatible diameter at all pencils between 3mm-15 mm.

The product has at least three functions:

1. the pencil sharpening part is inserted into the opening 3 and can be used as a pencil cap, so that the pencil point can be effectively protected from core breakage, the pencil point can be protected from scratching and dirtying the study tool, and the pencil point can be prevented from touching children;

2. when the pencil is used to a short time and is not easy to hold, the pencil is inserted into one end of the product through the opening 3, the product can be used as an extender, pencil waste is avoided, and children can develop a good saving habit from childhood.

3. The appearance of the pen is triangular, each face is provided with more than 3 uniformly and regularly arranged concave holes 2 at equal intervals, the concave holes 2 are designed according to human engineering and meet the requirement of correct pen holding, and a user can easily and quickly learn the correct pen holding posture only by placing a thumb, an index finger and a middle finger in the concave holes 2 with the three faces close to each other.

The above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention, such as any two products with superimposed functions, such as all pen cap, extender or pen cap, pen holding posture corrector or extender, pen holding posture corrector, etc., should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a pencil extender, includes the extender body, its characterized in that: the section of the extender body is triangular, concave holes are formed in three surfaces of the extender body, and openings with different diameters for inserting pencils are formed in two ends of the extender body; the concave holes are uniformly, equidistantly and regularly distributed on three side surfaces of the extender body, and the axial positions of the concave holes on each side surface are staggered with each other; the diameters of the openings at the two ends of the extender body are different, the opening at least one end is in a step shape and comprises at least two sections of through holes with different diameters, and the numerical value of the diameter of each through hole is gradually reduced from outside to inside.

2. The pencil extender of claim 1, wherein: the shape of the cavity includes, but is not limited to, oval, oblique, egg-shaped, saddle-shaped.

3. The pencil extender of claim 1 or 2, wherein: the depth of the concave hole is 0.5 mm-2 mm.

4. The pencil extender of claim 1, wherein: the diameter range of the open pore is 3mm-15 mm.

5. The pencil extender of claim 1, wherein: the extender body is made of metal, plastic or wood.

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