JP3062682U - Key holder - Google Patents

Abstract

(57) [Abstract] [Problem] To simplify the work of attaching and detaching a key to and from a key ring, and to save labor in the key ring manufacturing process. SOLUTION: A single annular portion 10 of a key ring 1 has
A separation portion 11 which is self-retained in a deformed state by an external force is formed, and a mounting hole 12 for a key case 20 (see FIG. 2) is formed in a single article shape with the annular portion 10. In order to attach the key 40 to the key holder 1, first, the long-peripheral portion 10a of the annular portion 10 is lifted to the front, and the end 10b is separated from the end 10d of the short-peripheral portion 10c to form the space portion 13.
Since this deformed state of the long circumference portion 10a is self-held,
The user may insert the key 40 from the space 13 and pass the hole 41 through the long circumference portion 10a. Then, the end 10b
Is closer to the end 10d, the annular portion 10 is again stabilized in this state, and the key 40 is securely held by the key holder 1.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a key ring, in particular, a part of a single annular part is formed with a separation part which is self-retained in a state after deformation by external force, and for example, one of the separation parts is deformed and then formed there. The key is passed through, and the deformed portion can be returned to the original annular state thereafter.

[0002]

[Prior art]

 4A and 4B are explanatory views showing a conventional key ring and the like, wherein FIG. 4A shows a key ring, FIG. 4B shows a key attached to the key ring, and FIG. 4C shows a state where a plurality of key rings are attached to the key case.

In these figures, reference numeral 30 denotes a key holder, 31 denotes a linear member having elasticity, 32 denotes an overlapping portion of the linear member 31, 33 denotes an end of the linear member 31, and 34 denotes a key case holder 50. , A key hole, a key hole portion, a key holding portion, a holding portion for mounting the key holder 30 to a holding means such as a key case (not shown). A reference numeral 51 denotes a connecting member between the key holder 30 and the holding fitting 50, and a reference numeral 52 denotes a screw for fixing the holding fitting 50.

As shown in FIG. 4A, the key holder 30 is formed of a linear member 31 having elasticity, and an overlapping portion 32 is formed so as to partially overlap the key member 30. The linear members 31 are urged in a direction in which they abut tightly, and the key ring 30 itself is in a closed state.

In order to attach the key 40 to the key holder 30, a hole 41 of the key 40 is inserted into the end 33 of the key holder 30, and a slight gap in the overlapping portion 32 is reduced by the thickness of the grip portion 42 of the key 40 to the elastic force thereof. Push through the hole 41 of the key 40 while pushing strongly against it.

When the hole 41 of the key 40 passes through the overlapping portion 32, the overlapping portion 32 returns to a tight contact state by its elastic force, and the key 40 once attached falls off the key holder 30 in a normal use state. You won't.

Therefore, when removing the key 40 from the key holder 30, it is necessary to perform a similar operation of forcibly expanding the overlapping portion 32 with the grip portion 42 of the key 40 and passing the key 40.

As shown in FIG. 4C, when attaching a plurality of key holders 30 to a key case, each of the key holders 30 is connected to a holding bracket 50 with a connecting member 51, and the holding bracket is connected to a key 52 with a screw 52. It is fixed to the case.

[0009]

[Problems to be solved by the invention]

 As described above, when attaching or detaching a key to or from a key chain, the overlapping portion of the key chain must be pushed strongly against its elasticity, which is inconvenient. .

[0010] Furthermore, it is necessary to form an overlapping portion in which the linear members of the key holder are in strong contact with each other so that the key once attached does not come off, and there is a problem that the production is troublesome. doing.

[0011] Furthermore, when attaching the key holder to the key case, it is necessary to fix the key holder using attachment-dedicated parts such as a connecting member and a holding metal fitting, which has a problem that the manufacturing process and the total number of parts are reduced. I have.

Therefore, in the present invention, a separation portion which is self-retained in a state after being deformed by an external force is formed in a part of the single annular portion constituting the key ring, and one of the separation portions is deformed, for example. It is intended to simplify the work of attaching and detaching the key by allowing the key to pass therethrough and then returning the deformed portion to its original annular state.

It is another object of the present invention to reduce the labor of the key holder manufacturing process by forming a mounting portion to a holding means such as a key case by the same processing as the annular portion.

[0014]

[Means for Solving the Problems]

 The present invention solves this problem as follows. (1) Forming a separation part which is self-retained in a state after being deformed by an external force on a part of the single annular part, and deforming at least one of the separation parts so that a key is attached to the self-retained ring-shaped part To be able to pass through. (2) The attachment portion to the holding means such as a key case is formed by the same processing as the above-mentioned annular portion, and has a single article shape as a whole.

According to the present invention, as in the above (1), a separation portion is formed in a part of the single annular portion constituting the key ring, and the separation portion is configured to hold the deformed state by itself. Therefore, when trying to pass the key through the annular portion, the user only needs to deform the separation part in the direction in which the two parts are separated from each other, and maintains this deformed state while passing the key as in the past. do not have to.

In addition, as described in (2) above, since the attachment portion to the key case or the like is provided in the form of a single article by the same processing as the annular portion, the key holder can be directly attached to the key case. In addition, there is no need to use dedicated parts for mounting such as connecting members and holding brackets which were required in the past.

[0017]

[Embodiment of the invention]

 An embodiment of the present invention will be described with reference to FIGS. FIGS. 1A and 1B are explanatory views showing a key ring, in which FIG. 1A shows a state in which a separation portion is not deformed, and FIG. 1B shows a state in which a separation portion is deformed and a key is passed through a single annular portion. ing. FIG. 2 is an explanatory view showing a state where the key ring is attached to the key case, and FIG. 3 is an explanatory view showing a procedure for preparing the key ring.

In these figures, reference numeral 1 denotes a plastically deformable metal key such as iron (SK steel) or brass, for example, and a key holder capable of self-holding the deformed state. Reference numeral 10 denotes a single key for attaching a key. The annular portion, 10a is a long portion on one side of the annular portion 10, 10b is an end portion of the long portion 10a, 10c is a short portion on the other side of the annular portion 10, and 10d is a short portion 10c. 11 is a separation portion of the annular portion 10, 12 is a hole for attachment to the key case 20, 13 is an end portion of the long circumference portion 10a and a short circumference portion 10c when mounting a key. 20 is a key case, 20a is a main part of the key case 20, 20b is a cover part of the key case 20, 20c is an upper edge part of the main part 20a, 21 is a key holder. 1 key Leather for holding the case 20; 22a, a convex member for overlapping and holding the cover portions 20b when the key case is folded; and 22b, a concave member for engaging with the convex member 22a. ing.

As shown in FIG. 1A, the key holder 1 includes a single annular portion 10 for attaching a key and a hole 12 for attachment to a key case 20. A letter-shaped separation part 11 is formed.

The annular portion 10 is separated into a long circumference portion 10a and a short circumference portion 10c by the separation portion 11, but in the non-use mode, these end portions 10b and 10d substantially abut, and the long circumference portion 10a And the short circumferential portion 10c are in a continuous state.

As shown in FIG. 1B, in order to attach the key 30 to the key holder 1, for example, when the long peripheral portion 10a of the annular portion 10 is lifted in the front direction, the end portion 10b becomes the end of the short peripheral portion 10c. A space 13 is formed apart from the portion 10d and between both ends.

The key holder 1 is formed of a plastically deformable metal, and the long-peripheral portion 10a does not return to the state shown in FIG.

The key 40 is inserted into the space 13 formed by the self-holding, and the hole 40 is passed through, for example, the end 10 b of the long circumference portion 10 a, so that the key 40 is formed in the annular shape of the key holder 1. It can be plugged into the part 10.

After the key 40 is inserted into the long circumference portion 10a, the end portion 10b of the long circumference portion 10a is changed to the end portion 10d of the short circumference portion 10c such that the annular portion 10 is continuous as shown in FIG. Deform towards.

Since the key holder 1 originally has the above-described self-holding property, the deformed annular portion 10 is stabilized in the state shown in FIG. 1A, and the key 40 is securely attached to the annular portion 10 of the key holder 1. Will be retained. After the holding, the key 40 does not fall out of the annular portion 10 unless an external force for forming the space 13 is applied to the end 10b of the long periphery 10a and the end 10d of the short periphery 10c.

A plurality of keys 40 can be attached to the annular portion 10 a of the key holder 1, and the keys 40 once attached to the key holder 1 can be easily removed or replaced by the same operation.

Further, a portable chain or the like may be provided in the hole portion 12 for attachment to the key case 20, and the key holder 1 may be attached to clothes, bags, or the like.

FIG. 2 shows a key holder that prevents inadvertent deformation of the long-peripheral portion 10 a and the short-peripheral portion 10 c of the annular portion 10 and allows a plurality of keys to be carried together as one. 1 is attached to a key case 20.

The leather 21 is passed through the mounting hole 12 of the key holder 1, and is sewn to the upper edge 20 c of the main part 20 a of the key case 20 and fixed to the key case 20.

After attaching the key 40 to the key holder 1 by the above-described operation, the cover portions 20b of the key case 20 are overlapped with each other, and the convex member 22a and the concave member 22b are engaged with each other. Can be stored.

In this stored state, the key holder 1 is protected from external force by the main part 20 a and the cover part 20 b of the key case 20. For this reason, the key 40 once attached to the key holder 1 does not fall off without receiving a deformation action such that a space is formed between the end portion 10b of the long circumference portion 10a and the end portion 10d of the short circumference portion 10c. Can be prevented.

The member for attaching the key holder 1 to the key case 20 is not limited to leather, and may be, for example, cloth or synthetic resin. Further, instead of the convex member 20a and the concave member 20b for holding the key case 20 in a folded state, for example, a magic tape or the like may be used.

FIG. 3 is an explanatory diagram showing a procedure for making the key holder 1 (vertical 25 mm, side 46 mm, thickness 1.5 mm) with the key case of FIG. 2, and the contents are as follows. It has become. (1) An iron plate (for example, SK steel) having a length of 310 mm, a width of 1000 mm, and a thickness of 1.5 mm is cut in a vertical direction with a width of 49 mm, and 20 strip-shaped iron plates having a length of 310 mm and a width of 49 mm are prepared. (2) This strip-shaped iron plate is punched into a key holder shape, and 12 key holder shapes without a separation part 11 are formed from one sheet (total of 240). (3) The key ring-shaped annular portion 10 is cut with an S-shaped mold to form a separation portion 11. (4) The key ring obtained in step (3) is roughly polished by barrel polishing for about 4 to 9 hours to remove burrs generated during the previous punching process. (5) The key ring after burr removal is quenched at about 830 ° C. for about 1 hour. (6) Subsequently, annealing is performed at about 450 ° C. for about 1 hour and 30 minutes. (7) The key ring after the annealing treatment is polished by barrel polishing for about 3 to 4 hours to remove dirt from the previous quenching treatment. (8) Next, approximately 50 to 200 target key chains, metal globules, granules, a binder, water, and the like are placed in a barrel and stirred to perform a gloss finish on the surface. (9) Next, copper plating is applied to the surface of the key ring after the gloss finish, and nickel is applied to the surface of the key holder by electroplating. (10) Finish the key ring 1 by electrostatically coating the plated surface and baking it with far-infrared rays. The electrostatic coating is performed by using a transparent paint such as thinner or army made by Million Paint. (11) The leather 21 is passed through the mounting hole 12 of the key holder 1 and sewn to the upper edge portion 20c of the main portion 20a of the key case 20.

In addition, the following procedure may be used to create the key ring 1.・ Stainless steel is used as the material of the key ring 1. -The separation part 11 is formed by wire cutting. -The surface of the target key ring is individually buffed in place of the gloss finish.・ Add gold or chrome plating on the nickel plating.

The shape and size of the key ring 1 itself, the shape of the annular portion 10 and the mounting hole 12, and the position and shape of the separation portion 11 are not limited to those shown in the figures, but are arbitrary. .

[0036]

[Effects of the Invention] In the present invention, since the key ring is formed by forming a separation portion in an annular portion made of a material that is self-retained in a state after being deformed by an external force, for example, one side of the separation portion by hand is used. When the end is deformed in a direction away from the other end, one end is stable in a state after the deformation, and the key can be easily passed through between the separated both ends.

Further, since the key ring has a separation portion formed in a part of a single annular portion, the key ring is formed by a simple process such as molding the annular portion with a mold or the like and cutting the part. be able to.

Further, since the mounting portion for the key case is formed as a single article with the annular portion, the key holder can be directly mounted on the key case. Therefore, parts required only for attachment, such as connecting members and holding fittings, which were conventionally required, can be omitted, and the manufacturing process can be saved.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a key ring of the present invention;
(A) shows a state in which the separation portion is not deformed, and (b) shows a state in which the key is passed through the single annular portion by deforming the separation portion.

FIG. 2 is an explanatory view showing a state in which the key ring is attached to the key case according to the present invention.

FIG. 3 is an explanatory diagram showing a procedure for creating a key ring according to the present invention.

4A and 4B are explanatory views showing a conventional key ring and the like, wherein FIG. 4A shows a key ring, FIG. 4B shows a key attached to the key ring, and FIG. 4C shows a state where a plurality of key chains are mounted on a key case.

[Explanation of symbols]

 1: Key ring 10: Annular portion 10a: Long peripheral portion 10b: Long peripheral portion end 10c: Short peripheral portion 10d: Short peripheral portion end 11: Separation portion 12: Mounting hole to key case 13: Space Part 20: Key case 20a: Main part 20b: Cover part 20c: Upper edge part 21: Leather 22a: Convex member 22b: Concave member 30: Key holder 31: Linear member 32: Overlapping part of linear member 33: Linear End of member 34: mounting part 40: key 41: hole 42: gripping part 50: holding bracket 51: connecting member 52: screw

Claims (2)

[Utility model registration claims] 1. A key holder in which a part of a single annular portion is formed with a separation part which is self-retained in a state after being deformed by an external force, wherein at least one of the separation parts is deformed to be in a self-holding state. A key can be passed through the ring.
A key ring characterized by that. 2. The key holder according to claim 1, wherein an attachment portion to a holding means such as a key case is formed by the same processing as the annular portion, and has a single article shape as a whole.