CN201154600Y - Pen cap for preventing children near sightedness - Google Patents

Abstract

The utility model discloses a pen sheath that can prevent the short sight of children, which consists of a pen point sheath with a height of 3cm. The pen point sheath consists of a pen sheath with a height of 2cm and a pyramidal head with a height of 1cm; the inner diameter of the pen sheath is corresponding to the diameter of a pen holder; the size of a central hole of the pyramidal head corresponds to the size of a pen point; the end part of the pen sheath is provided with an annular bulge; the pen sheath is provided with slip-resistant threads. When in writing, the positions for holding the pen of the thumb and the index finger abut against the annular bulge at the end part of the pen sheath so as to control the position of a person holding a pen to be 'an inch' from the pen point. The pen sheath of the utility model has simple structure and convenient use, can be made from elastic material and can match with a fountain pen, a ball-point pen, a pencil, and the like; when in use, the pen sheath is sheathed with the pen point part, the position for holding the pen can be effectively mastered when writing, thus achieving the purposes of correcting writing posture and preventing the short sight of the children.

Description

A kind of pen cap that prevents child myopia

Technical field

The utility model belongs to children and uses the pen technology field, relates to a kind of can accurately assurance and writes a pen cap of holding position prevention child myopia.

Background technology

Bathomorphic control should be picked up from children, the pen holding posture that the initial stage that children exercise is write is correct and to hold a position particularly important.The correct body position of writing is " one-inch one chi one fist ", must accomplish eyes from book one chi, and hand is from the nib one-inch, and chest is from desk one fist.Accomplish that the positive writing posture in these opposite ends is extremely important." chi " can be by the height of desk and stool, the short adjusting, and " fist " can be grasped from the distance of desk by stool, has this " one-inch " only and varies with each individual, and is difficult to grasp, and especially children grasp the comparison difficulty.

Summary of the invention

The purpose of this utility model provides a kind of children of making when holding thumb, a forefinger hold a position apart from the distance limit of nib the pen cap for the prevention child myopia of " one-inch ", write, prevent bathomorphic purpose thereby reach to rectify.

To achieve these goals, the pen cap of the utility model prevention child myopia, it is made up of the pen cap that highly is 3cm, pen cap is by highly being the pen cap of 2cm and highly being that the cone head of 1cm constitutes, the internal diameter size of the pen cap is corresponding with penholder, the size of the centre bore of cone head is corresponding with nib, and the end of the pen cap is provided with an annular protrusion, and the pen cap is provided with anti-skidding rib-loop.

Thumb and forefinger holds the annular protrusion of a position near pen cap end when writing, hold the author's Position Control at " one-inch " thereby make, the utility model is simple in structure, easy to use, can adopt elastomeric material to make, can cooperate with pen, ball pen, pencil etc., during use, be enclosed within written position and can hold the position of holding pen when writing effectively, reach proper writing posture, the purpose of prevention children myopia.

Description of drawings

Accompanying drawing is the utility model structural representation.

The specific embodiment

With reference to the accompanying drawings, it is made up of the utility model the pen cap that highly is 3cm, pen cap is made of with the cone head 4 that highly is 1cm the pen cap 2 that highly is 2cm, the internal diameter size of the pen cap 2 is corresponding with penholder, the size of the centre bore 5 of cone head 4 is corresponding with nib, the end of the pen cap is provided with an annular protrusion 1, and the pen cap is provided with anti-skidding rib-loop 3.

Claims (1)

1, a kind of pen cap that prevents child myopia, it is characterized in that it is made up of the pen cap that highly is 3cm, pen cap is by highly being the pen cap of 2cm and highly being that the cone head of 1cm constitutes, the internal diameter size of the pen cap is corresponding with penholder, the size of the centre bore of cone head is corresponding with nib, the end of the pen cap is provided with an annular protrusion, and the pen cap is provided with anti-skidding rib-loop.

Images