JP3121635U - Key ring - Google Patents

Abstract

Provided is a key ring which is attached to a key holder with a cover and prevents the key from dropping off.
An elongated key ring includes a first winding portion 1a and a second winding portion 1b that are adjacent to each other, and the first winding portion 1a and the second winding portion 1b are continuous via a continuous portion 1c. The first winding portion 1a and the second winding portion 1b are elastically pulled and contact each other via the continuous portion 1c. When attaching the key to the key ring, the winding end 1d is picked, the winding end 1d is inserted into the key head opening, and the gap formed between the first winding part 1a and the second winding part 1b is a continuous part. Install by sliding to 1c.
[Selection] Figure 1

Description

  The present invention relates to a key ring that has an elongated ring shape and a simple structure, and is difficult to drop off when attached to a key holder with a cover.

In general, there has been an example in which a key mounting hook (see, for example, Patent Document 1 or Patent Document 2) is used to attach a key to a key holder with a cover. In addition, there has been an example in which a circular key ring (see, for example, Patent Document 3) is used to attach a key to a key holder without a cover (hereinafter referred to as a key holder). On the other hand, there is a gem clip (see, for example, Patent Document 4) as an example of an elongated ring shape.
JP 2003-52523 A Japanese Patent No. 3591715 Special table 2005-529660 Utility model registration No. 3116767

These have the following drawbacks.
When the key attachment hook shown in FIG. 6 (example of Patent Document 1) is attached to a key holder with a cover, the key often falls off the key attachment hook.
When the key attachment hook shown in FIG. 7 (example of Patent Document 2) is attached to the key holder with cover, the key does not fall off from the key attachment hook, but the key attachment hook has a cover at the attachment portion 7b to the key holder with cover. The key holder may fall off, and as a result, the key may fall off.
On the other hand, the conventional circular key ring (for example, Patent Document 3) has an outstanding advantage that the attached key does not fall off from the key ring, but is not suitable for mounting on a key holder with a cover because of the circular shape. Met.

In addition, since the elongated and ring-shaped gem clip (for example, the example of Patent Document 4) needs to sandwich the paper, a portion where the first winding portion and the second winding portion are separated is provided, and Since the elastic force is weak and plastic deformation is easy, there is a difficulty in using it as a key ring.
The present invention provides a key ring that is easy to mount the key ring on a key holder with a cover and prevents the key from dropping off, except for these drawbacks.

  In order to achieve the above object, the key ring of the present invention is a key ring in which a wire-like elastic material having elasticity is wound almost twice in an elongated ring shape as shown in FIGS.

Since the key ring of the present invention has an elongated shape, it can be attached to a key holder with a cover. In the elongated key ring of the present invention, the attached key is unlikely to drop off from the key ring, and similarly, the key ring attached to the key holder with cover is unlikely to drop off from the key holder with cover. The key ring of the present invention has a structure in which a wire-like elastic material is wound almost twice, and the structure is simple.
As described above, it was possible to provide a key ring that has a simple structure and can be easily attached to a key holder with a cover, and the attached key is difficult to drop off.

The key ring according to the present invention is a ring shape in which a wire-like elastic material having elasticity is wound almost double, and the ring shape is an elongated shape as shown in FIGS. 1 and 2. It is a key ring.
Hereinafter, embodiments of the key ring according to the present invention will be described.

  A first embodiment according to claim 1 will be described with reference to the drawings. FIG. 1 is a perspective view of a key ring according to the first embodiment. 2A is a front view of the key ring of the first embodiment, FIG. 2B is a right side view thereof, and FIG. 2C is a cross-sectional view taken along line AA of FIG. 2B. FIG. 3 is a partially cutaway perspective view showing an example in which the key ring of Example 1 is attached to a key holder with a cover and the key is attached.

  In FIG. 1, in the elongated key ring, the first winding part 1a and the second winding part 1b are adjacent to each other, and the first winding part 1a and the second winding part 1b are continuous via the continuous part 1c. The first winding portion 1a and the second winding portion 1b are elastically pulled and contact each other via the continuous portion 1c.

  When attaching the key to the key ring, the winding end 1d is picked, the winding end 1d is inserted into the key head opening, and the gap formed between the first winding part 1a and the second winding part 1b is a continuous part. Install by sliding to 1c.

  FIG. 3 shows a state in which the key ring of Example 1 is attached to a key holder with a cover. Since the key ring structure is simple, the key holder with the cover with the key attached is refreshing.

A second embodiment according to claim 2 will be described with reference to the drawings. FIG. 4 is a perspective view of the key ring of the second embodiment. FIG. 5 is a front view of the key ring of the second embodiment.
The key ring of the second embodiment is an elongated key ring in which a wire-like elastic body having a circular wire-like cross section is wound into a long and narrow ring shape as shown in FIG. A bending portion 2c is provided between the winding portion 2a and the second winding portion 2b, and the first winding portion 2a and the second winding portion 2b are wound so as to be adjacent to each other, and are continuous by the bending portion 2c. is doing. By providing the bent portion 2c, the height 2h of the key ring is twice the diameter of the wire-like elastic material.

  In the key ring of the second embodiment, the attached key is not caught by the winding end 2d or the winding end 2e, and the attached key moves smoothly. Further, the height 1h of the key ring in Example 1 is almost three times the diameter of the wire-like elastic material, whereas the height 2h of the key ring in Example 2 is twice the diameter of the wire-like elastic material, and the space There is a merit that can be omitted.

The third embodiment according to claim 3 is an example of a key ring in which the number of windings of the elastic material in the first embodiment is approximately 1, 5 or more and 2.5 or less, although the drawing is omitted.
The number of windings of the wire-like elastic material is preferably approximately double, but is practically approximately 1.5 times or more and 2.5 times or less. If the number of windings is 1.5 times or less, the key attached to the key ring will easily fall off the key ring, and if the number of windings is 2.5 times or more, the height of the key ring will increase, and the movement of the key opening will This is because it is not smooth, and the key ring is bulky, and it is difficult to attach it to the key holder with cover.

  The fourth embodiment according to claim 4 is an example in which the cross-section of the wire-like elastic material is not limited to a circle but is a polygon or an ellipse such as a triangle or a quadrangle, although the drawing is omitted. If the cross section is a polygon such as a triangle or a rectangle, the corners are rounded.

  About Example 5 by Claim 5, although a figure is abbreviate | omitted, it is an example which attached | subjected various patterns to the surface of the wire-like elastic material used for Examples 1-4.

  Key ring perspective view of the first embodiment of the present invention   (A) Key ring front view of the first embodiment of the present invention (b) Side view of FIG. 2 (a) (c) AA sectional view of FIG. 2 (b)   Partially cutaway perspective view showing a state in which the key ring of Embodiment 1 of the present invention is attached to a key holder with a cover and the key is attached.   Key ring perspective view of the second embodiment of the present invention   Front view of key ring of embodiment 2 of the present invention   Perspective view of conventional key attachment hook (Patent Document 1)   Perspective view of a conventional key mounting hook (Patent Document 2)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Key ring of Example 1 1a 1st winding part 1b 2nd winding part 1c Continuous part 1d Winding end part 1e Winding end part 2 Key ring of Example 3 2a 1st winding part 2b 2nd winding part 2c Bending part 2d Winding end portion 2e Winding end portion 3 Key holder with cover 4 Cover 5 Key 6 Key mounting hook 6a Key mounting portion 6b Key holder mounting portion 7 Key mounting hook 7a Key mounting portion 7b Key holder mounting portion

Claims (5)

  It is an elongated ring shape in which a wire-like elastic material having elasticity and a circular cross section is wound approximately twice, and the first winding portion 1a and the second winding portion 1b are adjacent to each other. The key ring is characterized in that the first winding part 1a and the second winding part 1b are continuous via the continuous part 1c and are elastically pulled and in contact with each other.   The transition of the winding number of the wire-like elastic material from the first winding portion 2a to the second winding portion 2b continues through the bent portion 2c, and the key ring height 2h is twice the diameter of the wire-like elastic material. The key ring according to claim 1, wherein:   The key ring according to claim 1, wherein the number of windings of the wire-like elastic material is 1.5 times or more and 2.5 times or less.   4. A key ring according to claim 1, wherein the cross section of the wire-like elastic material is a triangle, a quadrangle, or another polygon.   The key ring according to claim 1, wherein a pattern is arbitrarily provided on the surface of the wire-like elastic material.

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