JPH082189A - Push pin - Google Patents

Abstract

(57) [Summary] [Purpose] A plurality of push-pins are connected to each other, and the needles of the push-pins are grouped into a block shape without being exposed, and the knob is given a novel shape. [Structure] The knob 1 made of synthetic resin has a columnar body in which three squares having the same shape in cross section are connected in an L shape. The push pin needle 2 that is planted on the end surface of the knob 1 is disposed at the center of the square that abuts its corner. Needle accommodating holes 3 and 3 are formed in the centers of the remaining two squares, respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push pin.

[0002]

2. Description of the Related Art A push pin needle may be pierced to cause an unexpected injury. Therefore, there is conventionally known a push pin structure in which a needle accommodating hole is bored in the knob of the push pin and a needle of another push pin can be accommodated in the hole. When roughly divided, a needle accommodating hole is formed on the end surface on the side opposite to the knob on which the needle projects (the Japanese Utility Model Laid-Open No. 48-3231), the end surface of the knob on which the needle projects. A needle accommodating hole is formed at a position displaced from the needle (Actual No. 55-2607,
Japanese Utility Model Laid-Open No. 2-3896), in which needle accommodating holes are formed on each surface of a knob formed in a polyhedron (Ukaikai Sho 54-624).
35).

[0003]

In the above type,
It can be connected in a long line, but only the most advanced needle is exposed. In the type (1), since the two push pins are connected in pairs, if the number of the push pins is odd, the needle of one push pin is left bare. With this type, all push pins can be made to have no needles exposed, but from a commercial point of view, they are not very good looking.

[0004] The problem to be solved by the present invention is to make it possible to connect a plurality of push pins in a block shape and at the same time to form a novel knob.

[0005]

In order to solve the above problems, the push pin of the present invention has a columnar body in which a knob made of synthetic resin is formed by connecting three squares having the same cross section in an L shape. The needle of the push pin that is planted on the end face of the knob is arranged at the center of the square corresponding to the corner, and the needle accommodating holes are formed at the centers of the remaining two squares.

The top surface of the knob may be inclined.

[0007]

[Operation] When using, stab the side of the knob so that it is parallel to the two orthogonal sides of the paper or the like to be fastened. At the time of storage, fit the needles of the two push pins into one of the other two needle storage holes of the other side, and then fit the needles of the third push pin into the remaining holes. , As a whole, it is put together as one block.

When the top surface of the knob is inclined, it is possible to avoid the upright state in which the needle faces directly above.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The push pin according to the present invention is, as shown in the perspective view of FIG. 1, a knob 1 made of synthetic resin in which one needle 2 is implanted.
Has an L-shaped columnar body, and two needle accommodating holes 3 are formed in the end surface of the knob 1 in which the needle 2 is implanted.

The relationship between the needle 2 and the two needle accommodating holes 3 will be described with reference to FIG. 2, which is an end view of an L-shaped columnar body, and three identical squares A, B and C are connected in an L-shape. The needle 2 is planted at the center of the square A which is provided at the corner, and the needle accommodating holes 3 and 3 are formed at the centers of the remaining two squares B and C, respectively. Therefore, the center lines connecting the needle 2 and the needle storage holes 3 and 3 are orthogonal to each other, and the center distances are equal.

The shape of the needle accommodating hole 3 in FIG. 1 is a round hole having substantially the same diameter as that of the needle 2 to be accommodated, but in order to fit the needle 2 without being too hard, it has a cross-shaped hole shape in FIG. In the cross-sectional view of FIG. 3, the top surface 4 of the knob 1 is slanted to prevent the needle 2 from standing upright. In FIG. 3, the needle 2 has a C-shaped portion 5 formed in the middle of the needle 2.
This is because it is difficult to remove. The chamfered edge 6 on the inlet side of the needle storage hole 3 is for smoothly introducing the tip of the needle 2 into the needle storage hole 3.

FIG. 4 shows the above-mentioned two push pins 7 and 8.
It is shown that there are four types of modes in which each of the needles 2 and 2 is fitted into one of the two holes 3 and 3 of the other party. In either case, one unused needle storage hole 3 is always left in each of the push pins 7 and 8. Therefore, the needle of the third push pin is left in the remaining needle storage hole 3. If the two are fitted and then repeated in the same manner, they can be joined regardless of the number of push pins, and the whole becomes a block shape. The perspective view of FIG. 5 shows an example of a block shape exhibited when four push pins are combined.

[0013]

Since the knob of the push pin of the present invention having the above-mentioned structure forms an L-shaped columnar body, it is made into a conventional one by piercing it so that it is parallel to two orthogonal sides of paper or the like to be fastened. You can get a kind of edging effect that wasn't there.
In addition, regardless of the number of push pins, all the needles can be stored in the needle storage hole and the exposed needles can be eliminated, which is safe and is convenient for storage and storage because they are collected as one block.

If the top surface opposite to the surface of the knob on which the needle is implanted is inclined, even if this push pin rolls down to the floor, the needle will remain stationary in the state that the needle faces upward. Since it is impossible, the needle is always laid sideways, so even if you accidentally step on it, you will not be stuck in your foot and it is safe.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a push pin according to the present invention.

FIG. 2 is an end view of a knob.

FIG. 3 is a sectional view of FIG. 1;

4 (a) to (d) are plan views showing four modes in which the respective needles of the two push pins are fitted into either of the two holes 3 and 3 of the other side. is there.

FIG. 5 is a perspective view showing an example in which four push pins are combined.

[Explanation of symbols]

 1. Synthetic resin knob 2. Needle 3. Needle storage hole 4. Top of picking

Claims (2)

[Claims] 1. The knob 1 made of synthetic resin is a columnar body in which squares A, B and C having three cross-sections of the same shape are connected in an L-shape, and the push 1 is implanted on the end surface of the knob 1. Pin needle 2
Is a push pin characterized in that it is arranged at the center of a square A corresponding to its corner, and needle accommodating holes 3 and 3 are formed at the centers of the remaining two squares B and C, respectively. 2. The knob 1 made of synthetic resin has a columnar body in which three squares A, B and C having the same shape in cross section are connected in an L-shape, and the push 1 is implanted on the end surface of the knob 1. Pin needle 2
Is arranged at the center of the square A corresponding to the corner, and needle accommodating holes 3 and 3 are formed at the centers of the remaining two squares B and C, respectively, and the top surface 4 of the knob 1 is inclined. And push pin.