JP2011056851A - Clip mounting structure - Google Patents

Abstract

The present invention provides a clip attachment structure for a writing instrument that can be attached easily and without damaging a cylinder when a metal clip is attached to a side surface of a resin cylinder.
A front end portion (3b) of a clip (3) is brought into contact with an outer surface (2a) of a cylindrical body (2), a first step portion (3f) of the clip (3) is brought into contact with a sliding groove (2c) of the cylindrical body (2), and an intermediate portion of the clip (3) is arranged. The clip 3 is advanced until the tongue 3h of the second step portion 3g is hooked in the latching recess 2i of the inner side surface 2h of the cylindrical body 2 while applying elastic tension to the clip 3 by pressing toward the cylindrical body 2 side. Then, the clip 3 is brought into contact with the cylindrical body 2, the front end portion 3b and the rear end portion 3d of the clip 3 are brought into contact with the outer surface 2a of the cylindrical body 2, and the tongue piece 3h of the clip 3 is hooked to the cylindrical body 2. The clip 3 is mounted on the cylinder 2 in a state where the clip 3 is brought into contact with the recess 2i to exert an elastic tension, and the tongue piece 3h is brought into contact with the latching step 2j to prevent the clip 3 from coming off.
[Selection] Figure 2

Description

  The present invention relates to a clip mounting structure that fits and attaches a clip formed of metal to a side surface of a cylindrical body formed of resin constituting the outer shape of a writing instrument.

  Conventionally, many writing instruments have a structure in which a clip is attached to the outer surface of a cylinder such as a shaft cylinder or a cap so that the writing instrument can be attached to a pocket of clothes or a bag. Among such writing instruments with clips, there are many that use metallic clips to make the writing instruments look high-grade. As a structure for attaching the clip to a cylindrical body such as a shaft cylinder, those shown in, for example, Japanese Utility Model Laid-Open Nos. 56-118086, 2008-173840, and 48-3338. is there.

  The structure described in Japanese Utility Model Laid-Open No. 56-118086 has a structure in which a protruding portion having concave grooves on both sides is formed on the outer surface of a cap body which is a cylindrical body, and the end portion of the clip is formed in the concave groove. A structure for engaging and attaching the fork leg is described. The structure described in Japanese Patent Application Laid-Open No. 2008-173840 describes a structure in which a male screw portion of a fixing screw is inserted into an attachment hole formed in a leg portion of a clip and attached to a cap body. The structure described in Japanese Utility Model Publication No. 48-3338 describes a structure in which a holding portion formed at one end of a clip is locked and attached to a locking hole formed on a side surface of a mounted body such as a cap body. Has been. There is also a structure in which a clip leg is inserted into a through-hole formed on the outer surface of the cap, and the clip leg is bent and held.

By the way, the structure described in Japanese Utility Model Laid-Open No. 56-118086 has a projecting portion formed on the outer surface of the cap body for attaching the clip, so that the design is restricted, and it is difficult to paint or buff. There was a problem that it was difficult to do.
Further, the structure described in Japanese Patent Application Laid-Open No. 2008-173840 requires a separate member such as a fixing screw or a head crown to fix the clip, and a joining line that becomes a connecting portion between the members in the periphery of the base of the clip There was a problem that would occur.
Further, the structure described in Japanese Utility Model Laid-Open No. 48-3338 has a structure in which the upper end of the clip is once brought into contact with the outer surface of the mounted body when the clip is mounted on the mounted body. In some cases, the surface of the mounted body may be damaged.
In addition, the structure in which the clip leg is inserted into a through-hole formed in the outer surface of the cylinder, such as a cap, and then the clip leg is bent to hold the cylinder so that the clip is attached to the cylinder. The process of bending the leg of the clip in the temporarily fixed state is necessary and laborious, and the process of bending is required.Therefore, the material of the clip is limited, and as a result, the clip may not be provided with sufficient springiness. It was.
Japanese Utility Model Publication No. 56-118086 JP 2008-173840 A Japanese Utility Model Publication No. 48-3338

  In the present invention, when a metal clip is mounted on the side surface of a resin cylinder, the clip mounting structure for a writing instrument can be easily mounted without damaging the cylinder.

The present invention
“In a clip mounting structure in which a metal-made clip is attached to the side surface of a cylindrical body formed of a resin that forms the outer shape of the writing instrument, two elongated through holes that are parallel to the outer surface of the cylindrical body along the axis. And a sliding groove formed at the rear of the through hole, and a notch window facing inward is provided at the rear end of the through hole so as to be continuous with the through hole. A front wide portion and a rear narrow portion are formed between the through holes, and a latching recess is provided at the position of the wide portion on the inner side surface of the cylindrical body, so that the position of the narrow portion is A latching step portion is formed therebetween, and the clip is provided with two side wall portions that are suspended at the same interval as two parallel sliding grooves of the cap body on the rear end side of the flat portion of the clip, The lower side is at the position spaced forward from the rear end of the clip in the side wall. Forming a first step protruding from the side wall with a dimension higher than the depth of the groove formed in the tube, projecting higher than the first step in front of the first step and inwardly downward Forming a second step portion formed with the tongue piece, and when the clip is attached to the outer cylinder, the tongue piece formed on the second step portion of the clip is inserted through the through-hole of the outer cylinder, The front end portion of the clip is brought into contact with the outer surface of the cylindrical body, the first step portion of the clip is brought into contact with the sliding groove of the cylindrical body, and the intermediate portion of the flat portion of the clip toward the cylindrical body side While applying elastic tension to the clip by pressing, the clip is advanced until the tongue of the second stepped portion is latched in the latching recess on the inner surface of the cylindrical body, and the clip is moved to the cylindrical body. In contrast, the front end and the rear end of the clip are brought into contact with the outer surface of the cylinder. A clip tongue piece is brought into contact with a latching recess of the cylindrical body to exert an elastic tension on the clip, and the tongue piece is brought into contact with the latching step portion to prevent the clip from coming off. A clip mounting structure characterized by being mounted on a cylinder. "

  Since the present invention has the structure described above, a clip mounting structure has been realized that can be mounted easily and in a state in which scratches during mounting are not conspicuous when mounting a metal clip on the side surface of a resin cylinder.

It is a figure which shows the 1st state in the assembly process of the cap of a present Example. It is a principal part enlarged view of FIG. It is a figure which shows the 2nd state in the assembly process of the cap of a present Example. It is a figure which shows the completion state of the cap of a present Example. It is a principal part enlarged view of FIG.

The caps according to the embodiments of the present invention will be described below with reference to the drawings. In addition, the same number is attached | subjected about the same member and the same component in drawing.
In the description of this embodiment, the cap opening end side is expressed as the front, and the opposite side is expressed as the rear.

  The cap structure in the present embodiment will be described in detail with reference to FIGS. FIG. 1 is a diagram showing a first state in the cap assembling process of this embodiment, and FIG. 2 is an enlarged view of a main part of FIG. The cap 1 is configured by mounting a metal-molded clip 3 on a side surface of a resin-molded cap body 2. The cap body 2 has a cylindrical outer shape, and is formed on the outer surface 2a with two elongated through holes 2b parallel to the axis and a sliding groove 2c formed behind the through hole 2b. A notch window 2d facing inward is provided at the rear end of the through hole 2b so as to be continuous with the through hole 2b, and the front wide part 2e and the rear narrow part are provided between the two through holes 2b. Part 2f is formed. In the present embodiment, a connecting groove 2g that connects the two sliding grooves 2c is formed. Further, a latching recess 2i is provided at a front position of the wide portion 2e of the inner side surface 2h of the cap body 2, and a latching step portion 2j is formed on the front and rear sides of the inner side surface 2h of the wide portion 2e.

  The clip 3 is provided with a ball portion 3c at the front end portion 3b of the flat surface portion 3a of the clip 3, and on the rear end portion 3d side of the clip 3, two parallel sliding grooves 2c formed in the cap body 2 and Two side wall portions 3e that are vertically suspended are formed, a first step portion 3f is provided at a position spaced forward from the rear end portion 3d of the clip 3, and a second step portion is provided in front of the first step portion 3f. Part 3g is formed. More specifically, the protruding amount T of the lower side of the first step portion 3f with respect to the side wall portion 3e is projected with a dimension higher than the depth M of the sliding groove 2c formed in the cap body 2. Further, a second step portion 3g that is inserted through the two through holes 2b of the cap 2 is provided in front of the first step portion 3f. The second step portion 3g protrudes higher than the first step portion 3f, and the cap 2 is provided below the first step portion 3f. An inward tongue piece 3h is formed to be inserted into the notch window 2d formed in FIG.

  Next, the operation of attaching the clip to the cap body will be described with reference to FIGS. In the state shown in FIG. 3, two first step portions 3f are inserted into the two through holes 2d so that the tongue piece 3h of the clip 3 shown in FIG. When the intermediate portion is pressed toward the cap 2 to apply elastic tension to the clip 2, and the lower side of the first step portion 3f is slidably contacted with the sliding groove 2c of the cap 2 and is slid in the arrow K direction. It is a state. When the clip 3 is further pushed forward in this state, the tongue piece 3h of the clip 3 shown in FIG. 2 gets over the latching step 2j formed on the inner side surface 2h of the cap 2 and latches in the latching recess 2i. In the state where the tongue piece 3h is hooked in the hooking recess 2i, the ball portion 3c of the tip 3b of the clip 3 comes into contact with the outer surface 2a of the cap body 2 as shown in FIG. The rear end 3d abuts on the connecting groove 2g of the cap body 2, and the tongue 3h of the clip 3 abuts on the latching recess 2i of the cap inner surface 2h. The clip 3 was able to be attached to the cap body 2 as shown in an enlarged view in FIG. 5 in a state where the tongue piece 3h is in a retaining state in which the tongue piece 3h is in contact with the latching step 2j of the inner surface 2h of the cap 2. At this time, the metal-molded clip 3 is rubbed against the outer surface 2a of the resin-molded cap body 2, but the lower side of the first step portion 3f of the clip 3 is rubbed against the sliding groove 2c of the cap 2. In addition, since the portion where the ball portion 3c at the tip of the clip 3 was rubbed against the outer surface 2a of the cap 2 was completely hidden under the clip 3 as shown in FIG. 4, the scratch was not noticeable.

  The clip mounting structure of the present invention is used not only for mounting on the cap body in the cap-type writing instrument described above, but also for mounting on a barrel in a knock-type or rotary feeding-type writing instrument, or for mounting a clip on a cosmetic or applicator. Is possible.

1 ... cap,
2 ... Cap body,
2a ... outer surface, 2b ... through hole, 2c ... sliding groove, 2d ... notched window,
2e: Wide portion, 2f: Narrow portion, 2g: Connecting groove, 2h: Inner surface,
2i ... latching recess, 2j ... latching step,
3 ... Clip,
3a ... plane part, 3b ... tip part, 3c ... ball part, 3d ... rear end part,
3e ... side wall part, 3f ... first step part, 3g ... second step part, 3h ... tongue piece.

Claims (1)

In a clip mounting structure in which a metal-made clip is attached to a side surface of a cylindrical body formed of a resin that constitutes the outer shape of the writing instrument, two elongated through-holes parallel to the axis are provided on the outer surface of the cylindrical body. A sliding groove formed at the rear of the through hole, and a notch window facing inward is provided at the rear end of the through hole to connect the two through holes. A front wide portion and a rear narrow portion are formed between the holes, and a latching recess is provided at the position of the wide portion on the inner side surface of the cylindrical body, and between the position of the narrow portion. The clip is provided with a latching step portion, and the clip is provided with two side wall portions that are suspended at the same interval as two parallel sliding grooves of the cap body on the rear end portion side of the flat portion of the clip. At a position spaced forward from the rear end of the clip Forming a first step portion projecting from the side wall portion with a dimension higher than the depth dimension of the groove portion formed at the front, projecting higher than the first step portion in front of the first step portion and inward downward. Forming a second step portion formed with a tongue piece, and inserting the tongue piece formed on the second step portion of the clip into the through-hole of the outer tube when the clip is attached to the outer tube; The front end of the clip is brought into contact with the outer surface of the cylinder, the first step of the clip is brought into contact with the sliding groove of the cylinder, and the intermediate portion of the flat portion of the clip is pressed toward the cylinder. Then, while applying elastic tension to the clip, the clip is advanced until the tongue of the second stepped portion is latched in the latching recess on the inner surface of the cylindrical body, and the clip is moved to the cylindrical body. On the other hand, the front end portion and the rear end portion of the clip are brought into contact with the outer surface of the cylindrical body and the clip In the state where the tongue piece of the lip is brought into contact with the latching concave portion of the cylindrical body to exert elastic tension on the clip, and the tongue piece is brought into contact with the latching step portion to prevent the clip from coming off. A clip mounting structure that is mounted on a cylindrical body.

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