JP7374507B2 - Strap attachment and how to attach the strap attachment - Google Patents

Description

The present invention relates to a strap attachment device used for attaching a strap to a portable information terminal device such as a smartphone or a small tablet type information terminal device, a cover thereof, or a small accessory, and a method for attaching the strap attachment device. In particular, the present invention relates to a strap mount and a method for attaching the strap mount, which are simple and easy to handle, and which allow portable information terminal devices, their covers, small accessories, etc. to be carried stably.

Conventionally, when carrying or handling portable information terminal devices such as smartphones or small tablet-type information terminal devices, users have to attach various straps or notebook-type special covers to them. Efforts have been made to protect devices, improve their convenience, portability and portability, and improve their appearance.

There are various types of straps such as a carry strap, a shoulder strap, a neck strap, and a hand strap.
The above-mentioned straps generally have long strings or belts, although the length can be adjusted. Therefore, for example, when storing a strap and a portable information terminal device in a bag or pocket, there are problems such as the strap string or belt being bulky and taking up storage space, or a part of the strap protruding from the bag or pocket. can occur.

In order to solve this problem, a strap mount has been proposed in which a portable information terminal device and a strap can be attached to both ends, respectively. When attaching a strap to a portable information terminal device via a strap attachment tool, the strap can be removed from the strap attachment tool when storing the portable information terminal device in a bag or pocket, making it easy to attach the portable information terminal device. The terminal device can be stored in a bag or pocket.

Patent Document 1 discloses an attachment string (A) that protrudes from one end (tip) of the connecting fitting (B), is folded back at the center, and can be inserted into and attached to a portable article, and the other end (rear end) of the connecting fitting (B). An attachment for a strap for a portable article is disclosed, which has a relay member (C) connectable to the strap at an end).
In this case, a hollow part into which the elastic body (D) is inserted is provided inside the connecting fitting (B) along its central axis, and an attachment string (A) is inserted into this hollow part along its central axis. ) is fitted with an elastic body (D) having an insertion hole into which the ring (D) is inserted, and a fixing ring (E). A part of the elastic body (D) protrudes toward the tip from the connecting fitting (B) so as to cushion the bending of the attachment string (A), and the fixing ring (E) is on the rear end side of the elastic body (D). The attachment string (A) passes through the elastic body (D) and the fixing ring (E) and is locked by a knot or a fixing member at the rear end of the fixing ring (E).
In this portable article strap attachment, the ring-shaped attachment string (A) is supported by the elastic body (D) that protrudes from the connecting fitting (B), so when the attachment strap (A) is used, the attachment string (A) is connected. Bending near the metal fitting (B) is buffered. Therefore, the fraying of the attachment string (A) and the resulting breakage are greatly improved, and it becomes possible to use it for a longer period of time.

Furthermore, Patent Document 2 below discloses a school bag hook attached to a school bag, which includes an eggplant hook for holding a first belonging, a belt-shaped first loop portion through which a fixing ring of the eggplant hook is passed, and a belt of the school bag. A school bag hook is disclosed that includes a second belt-shaped loop portion through which a bag is passed, and a third belt-shaped loop portion for holding a second belonging.
This school bag hook can be easily attached to a school bag and can hold a plurality of belongings by making the second loop part and the third loop part openable and closable.

Patent No. 4403185 Utility model registration No. 3218173

In the portable article strap attachment tool disclosed in Patent Document 1, the annular attachment string (A) is supported by the elastic body (D) portion protruding from the connecting fitting (B). ) can improve fraying and resulting cuts. However, this does not completely prevent the attachment strap (A) from breaking over time, and if the attachment strap (A) breaks, there is still the risk of losing the strap or, in some cases, the portable item itself. .

The school bag hook disclosed in Patent Document 2 holds a first belonging with an eggplant fixing ring, and a second belt-shaped loop part and a third belt-shaped loop part are openable and closable. The belt of the school bag can be passed through the second loop part, and the second belongings can be held by the belt-shaped third loop part. However, for example, if the second belt-shaped loop part or the third belt-shaped loop part opens for some reason, the school bag hook itself may fall off from the school bag, or the second belongings may fall off. There is a risk of it getting lost. In particular, if the belt-shaped third loop portion is opened inadvertently, there remains a risk that the second belongings will be lost.

The present invention has been made in consideration of the above circumstances, and provides a strap attachment and a strap that solve the above-mentioned problems, can be easily attached by anyone, and can prevent attached items from falling off or being lost. The purpose is to provide a method for installing fixtures.
Another object of the present invention is to provide a strap attachment and a method of attaching the strap attachment that have a simple structure and are excellent in productivity and economy.

The present invention has the following configuration to achieve the above object.

The strap attachment device of the present invention is a strap attachment device that can be attached to an article with a hole formed therein, and the strap attachment device includes a belt-shaped main body portion and a concave or convex portion provided at one end of the main body portion. a belt-shaped first attachment part having a first fastener having a shape; and a first belt-shaped attachment part having a first fastener provided at the other end of the main body part and having a convex part or a concave part corresponding to a concave part or a convex part of the first fastener. a belt-shaped second attachment part having two fasteners; and a steel body provided on the first attachment part, and the first attachment part is folded back at a folding part and attached to the first attachment part. is provided at one end of the main body part so that the concave part or convex part of the fastener is located on the surface side of the strap attachment, and the second attachment part is provided in the convex part or concave part of the second fastener. is provided at the other end of the main body so as to be located on the back surface side of the strap attachment, and a portion of the link body is inserted into the gap formed by folding back the first attachment part. The main body portion has an exposed portion where the first attachment portion and the second attachment portion are not provided, and the second attachment portion is inserted into the hole of the article and the steel body. It is characterized in that it can be attached to the article by fitting the first fastener and the second fastener together.

Further, the strap attachment device of the present invention is a strap attachment device that can be attached to an article having a hole, and the strap attachment device includes a belt-shaped main body portion and a concave or convex portion provided at one end of the main body portion. a belt-shaped first attachment part having a first fastener having a section, and a convex part or a concave part provided at the other end of the main body part and corresponding to a concave part or a convex part of the first fastener. It has a belt-shaped second attachment part having a second fastener, and a steel body provided on the first attachment part, and the first attachment part is folded back at a folding part and attached to the first attachment part. The concave portion or convex portion of the first fastener is provided at one end of the main body portion so as to be located on the surface side of the strap attaching device, and the second attaching portion is provided at one end of the main body portion such that the concave portion or convex portion of the first fastener is located on the surface side of the strap attaching device, and the second attaching portion A recessed portion is provided at the other end of the main body so as to be located on the surface side of the strap attachment, and a portion of the shaft is inserted into the gap formed by folding back the first attachment portion. The main body portion has an exposed portion where the first attachment portion and the second attachment portion are not provided, and the second attachment portion is inserted into the hole of the article and the steel body. The article is characterized in that it can be attached to the article by fitting the first fastener and the second fastener together.

In the above configuration, the second mounting portion is composed of two mounting pieces, one of which is provided to cover the surface of the other end of the main body, and the other is provided to cover the surface of the other end of the main body. It is preferable that it be provided so as to cover the back surface part.

In the above configuration, the thickness (T1) of the part where the first attachment part is provided, the thickness (T2) of the part where the second attachment part is provided, and the thickness (T2) of the exposed part of the main body part ( T3) preferably satisfies the following formulas (1) and (2).
T1>T3...Formula (1)
T2>T3... Formula (2)

The strap attachment method of the present invention is a method of attaching the strap attachment to an article having a hole, and the strap attachment includes a belt-shaped main body and one end of the main body. a belt-shaped first attachment part having a first fastener having a recess or a convex part; and a convex part provided at the other end of the main body part and engaging with the recess or the convex part of the first fastener. or a belt-shaped second attachment part having a second fastener having a recessed part, and a steel body provided on the first attachment part, wherein the first attachment part is folded back at a folded part; The first fastener is provided at one end of the main body so that the concave or convex portion of the first fastener is located on the surface side of the strap fastener, and the second fastener is provided at one end of the second fastener. A convex portion or a concave portion is provided at the other end of the main body so as to be located on the back side of the strap attachment, and the first attachment portion is inserted into the gap formed by folding back the first attachment portion. The main body portion has an exposed portion where the first attachment portion and the second attachment portion are not provided, and the second attachment portion is inserted between the hole of the article and the steel. The strap attachment device is attached to the article by inserting it into the body and fitting the first fastener and the second fastener together.

According to the above configuration, the strap attachment tool of the present invention can be easily attached to the article by fitting the first fastener and the second fastener together.
Further, in the strap attachment tool of the present invention, even if the first fastener and the second fastener are unfitted, the boundary between the exposed portion and the first attachment portion or the exposed Since the strap attachment tool is likely to be caught on the article at the boundary between the strap attachment section and the second attachment section, it is possible to prevent the strap attachment tool from falling off from the article.
Furthermore, the above configuration can be realized with a simple structure and has advantages in terms of production and economy.

The strap attachment tool and the method for attaching the strap attachment tool of the present invention allow anyone to easily attach the strap attachment tool to an article, and also prevent the attached article from falling off or being lost.
Furthermore, since it can be realized with a simple structure, it is excellent in productivity and economy, and is practical and useful.

FIG. 2 is a plan development view schematically showing a state in which the main body, the first attachment portion, the second attachment portion, and the link body, which constitute the strap attachment according to the first embodiment of the present invention, are expanded. FIG. 7 is a plan view schematically showing the positional relationship before the first attachment part and the second attachment part are attached to the main body according to the same embodiment. FIG. 3 is a plan view schematically showing the strap attachment part according to the embodiment, (a) is a plan view schematically showing the state seen from the front side, and (b) is a plan view schematically showing the state seen from the back side. FIG. FIG. 3 is a side view schematically showing the strap attachment part according to the same embodiment as viewed from the longitudinal direction. FIG. 3 is a side view schematically showing the strap attachment device according to the same embodiment as viewed from the transverse direction, FIG. FIG. 7 is a side view schematically showing a state seen from the second attachment part side. FIG. 3 is a side view schematically showing a state in which the strap attachment device according to the embodiment is inserted into a hole of an article. It is a diagram showing a state in which the strap attachment device according to the embodiment is attached to an article (smartphone cover), and (a) is a diagram showing the strap attachment device viewed from the hole side of the smartphone cover with the screen of the smartphone facing upward. (b) is a schematic diagram showing a state in which the strap attachment is viewed from the hole side of the smartphone cover with the screen of the smartphone facing downward. FIG. 7 is a plan development view schematically showing a state in which the main body, the first attachment portion, the second attachment portion, and the link body, which constitute the strap attachment according to the second embodiment of the present invention, are expanded. FIG. 7 is a plan view schematically showing the positional relationship before the first attachment part and the second attachment part are attached to the main body according to the same embodiment. FIG. 3 is a plan view schematically showing the strap attachment part according to the embodiment, (a) is a plan view schematically showing the state seen from the front side, and (b) is a plan view schematically showing the state seen from the back side. FIG. FIG. 3 is a side view schematically showing the strap attachment part according to the same embodiment as viewed from the longitudinal direction. FIG. 3 is a side view schematically showing the strap attachment device according to the same embodiment as viewed from the transverse direction, FIG. FIG. 7 is a side view schematically showing a state seen from the second attachment part side. FIG. 3 is a side view schematically showing a state in which the strap attachment device according to the embodiment is inserted into a hole of an article. It is a diagram showing a state in which the strap attachment device according to the embodiment is attached to an article (smartphone cover), and (a) is a diagram showing the strap attachment device viewed from the hole side of the smartphone cover with the screen of the smartphone facing upward. (b) is a schematic diagram showing a state in which the strap attachment is viewed from the hole side of the smartphone cover with the screen of the smartphone facing downward.

Embodiments of the present invention will be described below with reference to the drawings.

(First embodiment)
First, a first embodiment will be described with reference to FIGS. 1 to 7.
The strap attachment 10 according to the present embodiment is attached to a portable information terminal device such as a smartphone or a small tablet type information terminal device, a case used therein, a small accessory, or the like.

The strap attachment tool 10 includes a main body portion 100, a first attachment portion 200, a second attachment portion 300, and a link body 400.

The main body part 100 has a belt shape like a watch band, and is made of, for example, leather such as natural leather, artificial leather, or synthetic leather, or a fiber material such as natural fiber or chemical fiber. Among these, stretchable materials are preferably used.
The length of the main body 100 in the longitudinal direction, that is, the length from the most extreme end of one end 102 to the most extreme end of the other end 104, is 86 mm, and its width (length in the lateral direction) is 8 mm.
Although the other end portion 104 of the main body portion 100 has a rounded shape or a rounded corner shape, it may have a square shape or another shape. Similarly, one end portion 102 may have other shapes.

The first attachment part 200 has a rectangular belt-like planar shape and is made of, for example, leather such as natural leather, artificial leather, or synthetic leather, or a fiber material such as natural fiber or chemical fiber. Considering strength, the first attachment part 200 is preferably made of leather.
The length in the longitudinal direction of the first attachment part 200 is 43 mm, and the width (length in the lateral direction) is 12 mm.

A first fastener 212 having a convex portion is provided on the surface portion 210 of the first attachment portion 200 .
The first fastener 212 and the second fastener 312 described below are so-called hooks. This hook consists of parts called a head, a convex part, a concave part, and a bottom. The first fastener 212 is composed of a head 212a and a protrusion 212b, and the head 212a and the protrusion 212b are provided on the surface portion 210 of the first attachment portion 200.

Here, in FIG. 1 and FIG. 2, the head 212a and the protrusion (protrusion) 212b are shown as being provided on the surface portion 210 of the first attachment portion 200 so that their positional relationship can be easily understood. However, as will be described later, after or during the installation of the first mounting portion 200 on the main body portion 100, the head 212a and the protrusion 212b are placed in predetermined positions on the main body portion 100 and the first mounting portion 200. The locking protrusion (not shown) provided on the head 212a passes through the main body portion 100 and the first attachment portion 200, and the locking protrusion (not shown) provided on the head 212a passes through the main body portion 100 and the first mounting portion 200, and the locking protrusion provided on the head 212a (not shown) passes through the main body portion 100 and the first mounting portion 200. It is attached to the surface portion 210 by applying pressure to engage a stop (not shown).
Although a hook is used as the first fastener 212, it goes without saying that other fasteners can be used.

The second attachment part 300 has a rectangular belt-like planar shape (the other end in the longitudinal direction has a rounded corner shape), and, like the first attachment part 200, is made of, for example, natural leather, artificial leather, or synthetic leather. It is made of leather, natural fibers, chemical fibers, and other fiber materials. Considering the strength, the second attachment part 300 is preferably made of leather.
Further, the second attachment section 300 is composed of two second attachment pieces 300a and 300b. Preferably, the second attachment pieces 300a, 300b have the same shape and size.

The length of the second attachment piece 300a, that is, the length from the leading edge of one end in the longitudinal direction to the leading edge of the other end, is 33 mm, and its width (length in the short direction) is 12 mm. . The length and width of the second attachment piece 300b are also similar.
Further, the other end portions of the second attachment pieces 300a, 300b are rounded and have rounded corners similarly to the other end portion 104 of the main body portion 100, but even if they are angular, Other shapes are also possible. However, it is preferable that these have the same shape as the other end portion 104 of the main body portion 100.

A second fastener 312 having a convex portion is provided on the surface portion 310 of the second attachment portion 300 .
Note that, as described above, the second fastener 312 is a so-called hook. The second fastener 312 is composed of a spring (recess) 312a and a spring 312b. Provided on the surface portion 310.

In addition, similar to the first fastener 212, in FIGS. 1 and 2, the spring (recess) 312a and the spring 312b are connected to the surface portion 310 of the second mounting piece 300a and the second It is shown as being provided on the surface portion 310 of the attachment piece 300b. However, as will be described later, after or during the installation of the second attachment part 300 on the main body part 100, the spring (recessed part) 312a and the spring 312b are placed in predetermined positions and the second attachment piece 300a is attached. , the main body part 100 and the second attachment piece 300b are placed so as to sandwich them, and the locking protrusion (not shown) provided on the retainer 312b is placed between the second attachment piece 300a, the main body part 100, and the second attachment part. It is attached to the surface portion 310 by applying pressure so as to pass through the piece 300b and lock into a locking portion (not shown) provided in the spring (recess) 312a.
Although a hook is used as the second fastener 312, it goes without saying that other fasteners can be used.

The bell body 400 is an annular engagement tool made of metal, synthetic resin, or the like, and there are round, square, C, D, eggplant, and other shapes depending on the shape. In the present embodiment, a D-shaped link is used as the link 400, and the linked link 400 is hereinafter referred to as a D-linked part 400. The linear portion 402 of the D-shaped rib portion 400 is provided on the first attachment portion 200 so as to be sandwiched between (the back side of) the first attachment portion 200 that is folded back at the folded portion 230 .

Now, a method for manufacturing the strap attachment tool 10 will be explained below.
First, these are provided by attaching the D-linked part 400 to the first attachment part 200 and the first attachment part 200 to the one end part 102 of the main body part 100.
That is, the D-shape portion 400 is placed at a predetermined position on the first attachment portion 200. Specifically, it is placed so that the straight portion 402 is in contact with the folded portion 230 (back side) of the first attachment portion 200 . Then, the first attachment part 200 is folded back at the folding part 230 so that the linear portion 402 of the D-shaped rib part 400 is sandwiched between the back surface part (not shown) of the first attachment part 200. At this time, one end portion of the first attachment portion 200 is submerged into the D-linked portion 400. The folded first attachment part 200 is sewn to the main body part 100 at the sewing parts X1 and X2 so that the back side thereof covers the one end part 102 of the main body part 100. As a result, the D-linked part 400 is attached to the first attachment part 200, and the first attachment part 200 is attached to the one end part 102 of the main body part 100.

Note that by folding back the first mounting portion 200 at the folding portion 230, a hollow gap portion (not shown) is formed in the back surface portion of the first mounting portion 200. Then, the D-linked portion 400 is provided so as to be inserted through this gap.

Further, in this embodiment, the first attachment part 200 is provided on the one end part 102 of the main body part 100 by sewing, but the method of providing the first attachment part 200 is not limited to this. You may also use the following.

Next, the head 212a and the protrusion 212b are placed at predetermined positions so as to sandwich the main body part 100 and the first attachment part 200. Then, the head 212a is attached so that the locking protrusion provided on the head 212a penetrates the main body portion 100 and the first attachment portion 200 and locks into the locking portion provided on the protrusion 212b. apply pressure. In this way, the first fastener 212 is attached to the first attachment portion 200. Note that it goes without saying that the first fastener 212 may be attached while the first attachment part 200 is being attached to the main body part 100.
Further, when using another fastener instead of a hook as the first fastener 212, the first fastener 212 can be attached to the first attachment part 200 before being attached to the main body part 100.

This is provided by attaching the second attachment portion 300 to the other end portion 104 of the main body portion 100.
That is, the second attachment pieces 300a and 300b are sewn to the main body part 100 at the sewing part X3 so that their respective back surfaces (not shown) cover the other end part 104 of the main body part 100. At this time, as shown in FIG. 3, the second mounting piece 300b is on the front side 10a of the strap attachment 10, and the second attachment piece 300a is on the back side 10b of the strap attachment 10. Can be sewn.

In this embodiment, the two second attachment pieces 300a and 300b are each attached to the main body 100, but for example, one second attachment piece 300 may be provided with a folded part, and the folded part may be attached to the second attachment part 300. The second attachment portion 300 may be folded back and attached so that the back surface portion thereof covers the other end portion 104 of the main body portion 100.
Further, in the present embodiment, the second attachment portion 300 is provided on the other end portion 104 of the main body portion 100 by sewing, but the method for providing the second attachment portion 300 is not limited to this, and for example, adhesive, thermocompression, etc. It may also be carried out using materials such as materials.

Next, the spring (recess) 312a and the spring 312b are placed at predetermined positions so as to sandwich the second attachment piece 300a, the main body part 100, and the second attachment piece 300b. Then, the locking protrusion provided on the retainer 312b passes through the second mounting piece 300a, the main body 100, and the second mounting piece 300b, and engages with the locking portion provided on the spring (recess) 312a. Apply pressure to the retainer 312b to stop it. In this manner, the second fastener 312 is attached to the second attachment portion 300. Note that, of course, the second fastener 312 may be attached while the second attachment part 300 is being attached to the main body part 100.
Furthermore, when using another fastener instead of a hook as the second fastener 312, the second fastener 312 can be attached to the second attachment part 300 before being attached to the main body part 100.

Note that the order in which the first attachment part 200, the second attachment part 300, the D-shape part 400, the first fastener 212, and the second fastener 312 are provided is not limited to this, and the present invention Of course, various modifications are possible without departing from the gist.

In this way, the strap attachment tool 10 of this embodiment is produced.

As shown in FIG. 3A, among the first fasteners 212, a protrusion (protrusion) 212b having a protrusion is provided so as to be located on the surface portion 10a side of the strap attachment 10. Further, as shown in FIG. 3(b), a spring (recess) 312a having a recess in the second fastener 312 is provided so as to be located on the back side 10b of the strap attachment 10.

Further, the main body portion 100 has an exposed portion 110 where the first attachment portion 200 and the second attachment portion 300 are not provided, that is, the exposed portion 110 is not covered by the first attachment portion 200 and the second attachment portion 300.

Further, as shown in FIG. 3, the length L1 of the strap attachment tool 10 excluding the D-linked portion 400 is 63 mm. Further, the length L2 of the first attachment part 200 provided on the main body part 100 is 20 mm, the length L3 of the exposed part 110 is 10 mm, and the length L2 of the first attachment part 200 provided on the main body part 100 is 20 mm. The length L4 of the piece 300a and the attachment piece 300b is 33 mm.
Further, the length L5 from the folded part 230 to the center of the protrusion of the protrusion (protrusion) 212b is 12 mm, and the length L5 from the center of the protrusion of the protrusion (protrusion) 212b to the center of the protrusion of the protrusion (protrusion) 212b is 12 mm. The length L6 to the other end is 8 mm, and the length from the other end of the second attachment part 300 (attachment piece 300b) provided on the main body 100 to the center of the recess of the spring (recess) 312a. L7 is 6mm.
Further, the width W of the portion other than the exposed portion 110 is 12 mm.

Further, as shown in FIG. 4, the strap attachment 10 has a thickness that is larger than the thickness (T1) of the area where the first attachment part 200 is provided and the thickness (T2) of the area where the second attachment part 300 is provided. The exposed portion 110 of the main body portion 100 is thinner (T3, not shown). That is, T1 to T3 can satisfy the following equations (1) and (2).
T1>T3...Formula (1)
T2>T3... Formula (2)

Next, a method of attaching the strap attachment tool 10 of this embodiment will be explained with reference to FIG. 6.

As shown in FIG. 6, the second attachment part 300 is inserted into the hole Y1 of the article Y having the hole Y1. Next, the second attachment part 300 is inserted through the D-shaped rib part 400. Thereafter, the first fastener 212 (convex portion 212b) and the second fastener 312 (concave portion 312a) are fitted together. Note that in FIG. 6, the length of the exposed portion 110 is exaggerated and shown longer than in other figures so that the insertion state can be easily understood.

FIG. 7 shows a state in which the strap attachment tool 10 is attached to an article Y.
In this figure, the strap attachment tool 10 is attached so that the exposed portion 110 is located in the hole Y1 of the article Y.
Here, article Y is a smartphone cover, and FIG. 7(a) shows a smartphone (not shown) covered by article Y, which is a smartphone cover, with its screen facing upward, and a strap is attached from the hole Y1 side of the smartphone cover. A view of the fixture 10 is shown. Moreover, FIG. 7(b) shows a state in which the strap attachment tool 10 is viewed from the hole Y1 side of the smartphone cover with the screen of the smartphone facing downward.

With this configuration, the strap attachment 10 can be easily attached to the article Y by fitting the first fastener 212 and the second fastener 312 together.
Furthermore, since the strap attachment tool 10 is likely to be caught on the article Y at the boundary between the exposed portion 110 and the first attachment portion 200 or the boundary between the exposed portion 110 and the second attachment portion 300, the first fastener 212 Even if the fitting between the second fastener 312 and the second fastener 312 is disengaged, the article Y is caught on the boundary, so that the article Y can be prevented from falling off.
In particular, when the strap attachment 10 is attached so that the exposed portion 110 is located in the hole Y1 of the article Y as described above, the strap attachment 10 is more likely to be caught by the article Y at the boundary described above. It is possible to further prevent Y from falling off.

In addition, the strap attachment 10 is attached to the article Y by the reverse procedure, that is, by unfitting the first fastener 212 and the second fastener 312, and attaching the second attachment part 300 to the article Y. It can be removed from the article Y by passing through the iron part 400 and removing the second attachment part 300 so as to pass through the hole Y1 of the article Y.

In this way, the strap attachment tool 10 can be easily attached and detached by anyone, and can prevent the attached article Y from falling off or being lost.
Further, according to this embodiment, it can be realized with an extremely small and simple structure, so it is excellent not only in terms of production but also in terms of economy and is practically useful.

Note that when the strap attachment tool 10 is attached to the article Y, the strap attachment tool 10 is configured so that the strap 312b is visible from the user side, as shown in FIG. 7(a). Therefore, when the article Y is used, it looks very good from the user's perspective.
On the other hand, when the strap attachment 10 is attached to the article Y in the opposite direction, that is, when the strap attachment 10 is attached to the article Y as shown in FIG. 7(b) when viewed from the user's side, the article Y The housing 312b is configured to be visible to a third party when in use. Therefore, when the article Y is used, it looks very good to a third party.

(Second embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. 8 to 14. The same parts and functions as those in the first embodiment will be described with the same reference numerals, and detailed description will be omitted.

The strap attachment tool 20 includes a main body portion 100, a first attachment portion 200, a second attachment portion 300, and a link body 400.

The main body part 100 has a belt shape like a watch band, and is made of, for example, leather such as natural leather, artificial leather, or synthetic leather, or a fiber material such as natural fiber or chemical fiber. Among these, stretchable materials are preferably used.
The length of the main body 100 in the longitudinal direction, that is, the length from the most extreme end of one end 102 to the most extreme end of the other end 104, is 86 mm, and its width (length in the lateral direction) is 8 mm.
Although the other end portion 104 of the main body portion 100 has a rounded shape or a rounded corner shape, it may have a square shape or another shape. Similarly, one end portion 102 may have other shapes.

The first attachment part 200 has a rectangular belt-like planar shape and is made of, for example, leather such as natural leather, artificial leather, or synthetic leather, or a fiber material such as natural fiber or chemical fiber. Considering strength, the first attachment part 200 is preferably made of leather.
The length in the longitudinal direction of the first attachment part 200 is 43 mm, and the width (length in the lateral direction) is 12 mm.

A first fastener 212 having a convex portion is provided on the surface portion 210 of the first attachment portion 200 .
The first fastener 212 and the second fastener 3120 described below are so-called hooks. This hook consists of parts called a head, a convex part, a concave part, and a bottom. The first fastener 212 is composed of a head 212a and a protrusion 212b, and the head 212a and the protrusion 212b are provided on the surface portion 210 of the first attachment portion 200.
Here, in FIGS. 8 and 9, the head 212a and the protrusion (protrusion) 212b are shown as being provided on the surface portion 210 of the first attachment portion 200 so that their positional relationship can be easily understood. However, as will be described later, after or during the installation of the first mounting portion 200 on the main body portion 100, the head 212a and the protrusion 212b are placed in predetermined positions on the main body portion 100 and the first mounting portion 200. The locking protrusion (not shown) provided on the head 212a passes through the main body portion 100 and the first attachment portion 200, and the locking protrusion (not shown) provided on the head 212a passes through the main body portion 100 and the first mounting portion 200, and the locking protrusion provided on the head 212a (not shown) passes through the main body portion 100 and the first mounting portion 200. It is attached to the surface portion 210 by applying pressure to engage a stop (not shown).
Although a hook is used as the first fastener 212, it goes without saying that other fasteners can be used.

The second attachment part 300 has a rectangular belt-like planar shape (the other end in the longitudinal direction has a rounded corner shape), and, like the first attachment part 200, is made of, for example, natural leather, artificial leather, or synthetic leather. It is made of leather, natural fibers, chemical fibers, and other fiber materials. Considering the strength, the second attachment part 300 is preferably made of leather.
Further, the second attachment section 300 is composed of two second attachment pieces 300a and 300b. Preferably, the second attachment pieces 300a, 300b have the same shape and size.
The length of the second attachment piece 300a, that is, the length from the leading edge of one end in the longitudinal direction to the leading edge of the other end, is 33 mm, and its width (length in the short direction) is 12 mm. . The length and width of the second attachment piece 300b are also similar.
Further, the other end portions of the second attachment pieces 300a, 300b are rounded and have rounded corners similarly to the other end portion 104 of the main body portion 100, but even if they are angular, Other shapes are also possible. However, it is preferable that these have the same shape as the other end portion 104 of the main body portion 100.

A second fastener 3120 having a convex portion is provided on the surface portion 310 of the second attachment portion 300 .
Note that, as described above, the second fastener 3120 is a so-called hook. The second fastener 3120 is composed of a spring (recess) 3120a and a spring 3120b. Provided on the surface portion 310.

In addition, similar to the first fastener 212, in FIGS. 8 and 9, the spring (recess) 3120a and the spring 3120b are connected to the surface portion 310 of the second mounting piece 300a and the second It is shown as being provided on the surface portion 310 of the attachment piece 300b. However, as will be described later, after or during the installation of the second attachment part 300 on the main body part 100, the spring (recessed part) 3120a and the spring 3120b are placed in predetermined positions and the second attachment piece 300a is attached. , the main body part 100 and the second attachment piece 300b are placed so as to sandwich them, and the locking protrusion (not shown) provided on the housing 3120b is placed between the second attachment piece 300a, the main body part 100, and the second attachment part. It is attached to the surface portion 310 by applying pressure so as to pass through the piece 300b and lock into a locking portion (not shown) provided in the spring (recess) 3120a.
Although a hook is used as the second fastener 3120, it goes without saying that other fasteners can be used.

The bell body 400 is an annular engagement tool made of metal, synthetic resin, or the like, and there are round, square, C, D, eggplant, and other shapes depending on the shape. In the present embodiment, a D-shaped link is used as the link 400, and the linked link 400 is hereinafter referred to as a D-linked part 400. The linear portion 402 of the D-shaped rib portion 400 is provided on the first attachment portion 200 so as to be sandwiched between (the back side of) the first attachment portion 200 that is folded back at the folded portion 230 .

Now, a method for manufacturing the strap attachment tool 20 will be explained below.
First, these are provided by attaching the D-linked part 400 to the first attachment part 200 and the first attachment part 200 to the one end part 102 of the main body part 100.
That is, the D-shape portion 400 is placed at a predetermined position on the first attachment portion 200. Specifically, it is placed so that the straight portion 402 is in contact with the folded portion 230 (back side) of the first attachment portion 200 . Then, the first attachment part 200 is folded back at the folding part 230 so that the linear portion 402 of the D-shaped rib part 400 is sandwiched between the back surface part (not shown) of the first attachment part 200. At this time, one end portion of the first attachment portion 200 is submerged into the D-linked portion 400. The folded first attachment part 200 is sewn to the main body part 100 at the sewing parts X1 and X2 so that the back side thereof covers the one end part 102 of the main body part 100. As a result, the D-linked part 400 is attached to the first attachment part 200, and the first attachment part 200 is attached to the one end part 102 of the main body part 100.

Note that by folding back the first mounting portion 200 at the folding portion 230, a hollow gap portion (not shown) is formed in the back surface portion of the first mounting portion 200. Then, the D-linked portion 400 is provided so as to be inserted through this gap.

Further, in this embodiment, the first attachment part 200 is provided on the one end part 102 of the main body part 100 by sewing, but the method of providing the first attachment part 200 is not limited to this. You may also use the following.

Next, the head 212a and the protrusion 212b are placed at predetermined positions so as to sandwich the main body part 100 and the first attachment part 200. Then, the head 212a is attached so that the locking protrusion provided on the head 212a penetrates the main body portion 100 and the first attachment portion 200 and locks into the locking portion provided on the protrusion 212b. apply pressure. In this way, the first fastener 212 is attached to the first attachment portion 200. Note that it goes without saying that the first fastener 212 may be attached while the first attachment part 200 is being attached to the main body part 100.
Further, when using another fastener instead of a hook as the first fastener 212, the first fastener 212 can be attached to the first attachment part 200 before being attached to the main body part 100.

This is provided by attaching the second attachment portion 300 to the other end portion 104 of the main body portion 100.
That is, the second attachment pieces 300a and 300b are sewn to the main body part 100 at the sewing part X3 so that their respective back surfaces (not shown) cover the other end part 104 of the main body part 100. At this time, as shown in FIG. 10, the second attachment piece 300a is on the front side 20a of the strap attachment 20, and the second attachment piece 300b is on the back side 20b of the strap attachment part 20. Can be sewn.

In this embodiment, the two second attachment pieces 300a and 300b are each attached to the main body 100, but for example, one second attachment piece 300 may be provided with a folded part, and the folded part may be attached to the second attachment part 300. The second attachment portion 300 may be folded back and attached so that the back surface portion thereof covers the other end portion 104 of the main body portion 100.
Further, in the present embodiment, the second attachment portion 300 is provided on the other end portion 104 of the main body portion 100 by sewing, but the method for providing the second attachment portion 300 is not limited to this, and for example, adhesive, thermocompression, etc. It may also be carried out using materials such as materials.

Next, the spring (recess) 3120a and the spring 3120b are placed at predetermined positions so as to sandwich the second attachment piece 300a, the main body part 100, and the second attachment piece 300b. Then, the locking protrusion provided on the retainer 3120b penetrates the second attachment piece 300a, the main body 100, and the second attachment piece 300b, and engages with the locking portion provided on the spring (recess) 3120a. Apply pressure to the housing 3120b to stop it. In this way, the second fastener 3120 is attached to the second attachment portion 300. Note that it is of course possible to attach the second fastener 3120 while the second attachment part 300 is being attached to the main body part 100.
Further, when using another fastener instead of a hook as the second fastener 3120, the second fastener 3120 can be attached to the second attachment portion 300 before being attached to the main body portion 100.

Note that the order in which the first attachment part 200, the second attachment part 300, the D-shape part 400, the first fastener 212, and the second fastener 3120 are provided is not limited to this, and the present invention Of course, various modifications are possible without departing from the gist.

In this way, the strap attachment 20 of this embodiment is produced.

As shown in FIG. 10(a), among the first fasteners 212, a protrusion 212b having a protrusion is provided so as to be located on the surface portion 20a side of the strap attachment 20. Furthermore, a spring (recess) 3120a of the second fastener 3120 having a recess is also provided so as to be located on the surface portion 20a side of the strap attachment 20.

Further, the main body portion 100 has an exposed portion 110 where the first attachment portion 200 and the second attachment portion 300 are not provided, that is, the exposed portion 110 is not covered by the first attachment portion 200 and the second attachment portion 300.

Further, as shown in FIG. 10, the length L1 of the strap attachment 20 excluding the D-linked portion 400 is 63 mm. Further, the length L2 of the first attachment part 200 provided on the main body part 100 is 20 mm, the length L3 of the exposed part 110 is 10 mm, and the length L2 of the first attachment part 200 provided on the main body part 100 is 20 mm. The length L4 of the piece 300a and the attachment piece 300b is 33 mm.
Further, the length L5 from the folded part 230 to the center of the protrusion of the protrusion (protrusion) 212b is 12 mm, and the length L5 from the center of the protrusion of the protrusion (protrusion) 212b to the center of the protrusion of the protrusion (protrusion) 212b is 12 mm. The length L6 to the other end is 8 mm, and the length from the other end of the second attachment part 300 (attachment piece 300b) provided on the main body 100 to the center of the recess of the spring (recess) 3120a. L7 is 6mm.
Further, the width W of the portion other than the exposed portion 110 is 12 mm.

Further, as shown in FIG. 11, the strap attachment 20 has a thickness that is larger than the thickness (T1) of the area where the first attachment part 200 is provided and the thickness (T2) of the area where the second attachment part 300 is provided. The exposed portion 110 of the main body portion 100 is thinner (T3, not shown). That is, T1 to T3 can satisfy the following equations (1) and (2).
T1>T3...Formula (1)
T2>T3... Formula (2)

Next, a method for attaching the strap attachment tool 20 of this embodiment will be explained with reference to FIG. 13.

As shown in FIG. 13, the second attachment part 300 is inserted into the hole Y1 of the article Y having the hole Y1. Thereafter, the first fastener 212 (convex portion 212b) and the second fastener 3120 (concave portion 3120a) are fitted together. Note that in FIG. 13, the length of the exposed portion 110 is exaggerated and shown longer than in other figures so that the insertion state can be easily understood.

FIG. 14 shows a state in which the strap attachment tool 20 is attached to the article Y.
In this figure, the strap attachment tool 20 is attached so that the exposed portion 110 is located in the hole Y1 of the article Y.
Here, article Y is a smartphone cover, and FIG. 14(a) shows a smartphone (not shown) covered by article Y, which is a smartphone cover, with its screen facing upward, and a strap is attached from the hole Y1 side of the smartphone cover. A view of the fixture 20 is shown. Moreover, FIG. 14(b) shows a state in which the strap attachment tool 20 is viewed from the hole Y1 side of the smartphone cover with the screen of the smartphone facing downward.

With this configuration, the strap attachment 20 can be easily attached to the article Y by fitting the first fastener 212 and the second fastener 3120 together.
In addition, since the strap attachment tool 20 is likely to be caught on the article Y at the boundary between the exposed portion 110 and the first attachment portion 200 or the boundary between the exposed portion 110 and the second attachment portion 300, the first fastener 212 Even if the fitting between the second fastener 3120 and the second fastener 3120 is disengaged, the article Y will be caught at the boundary, so that the article Y can be prevented from falling off.
In addition, especially when the strap attachment 20 is attached so that the exposed portion 110 is located in the hole Y1 of the article Y as described above, the strap attachment 20 is more likely to be caught by the article Y at the boundary described above. It is possible to further prevent Y from falling off.

In addition, the strap attachment 20 is attached to the article Y by the reverse procedure of attaching it to the article Y, that is, by unfitting the first fastener 212 and the second fastener 3120, and attaching the second attachment part 300 to the article Y. It can be removed from the article Y by passing through the hole Y1 of Y.

In this way, the strap attachment tool 20 can be easily attached and detached by anyone, and can prevent the attached article Y from falling off or being lost.
Further, according to this embodiment, it can be realized with an extremely small and simple structure, so it is excellent not only in terms of production but also in terms of economy and is practically useful.

Note that when the strap attachment tool 20 is attached to the article Y, the strap attachment tool 20 is configured so that the strap 3120b is visible from the user side, as shown in FIG. 14(a). Therefore, when the article Y is used, it looks very good from the user's perspective. In addition, since the head 212a is configured to be visible from a third party, it looks very good even from a third party.
On the other hand, when the strap attachment 20 is attached to the article Y in the opposite direction, that is, when the strap attachment 20 is attached to the article Y as shown in FIG. 14(b) when viewed from the user side, the article Y The housing 3120b is configured to be visible to a third party when in use. Therefore, when the article Y is used, it looks very good to a third party. Also, at this time, since the head 212a is configured to be visible from the user's side, it looks very good from the user's perspective.

It goes without saying that the present invention is not limited to the embodiments described above, and that various modifications can be made without departing from the gist of the present invention.

10, 20...Strap attachment 100...Body part 200...First attachment part 300...Second attachment part 400...Steel body (D-steel part)
212...First fastener 312, 3120...Second fastener

Claims (5)

A strap attachment device that is attached to an article having a hole formed therein, the strap attachment device comprising:
This strap attachment is
A belt-shaped main body,
a belt-shaped first attachment part that has a first fastener having a recessed part or a convex part and is attached to one end of the main body part;
a belt-shaped second attachment portion that is attached to the other end of the main body portion and has a second fastener having a convex portion or a concave portion corresponding to the concave portion or convex portion of the first fastener ;
a steel body provided in the first attachment part;
The first attachment part is folded back at a folding part and attached to one end of the main body part so that the recess or convex part of the first fastener is located on the surface side of the strap attachment,
The second attachment part is attached to the other end of the main body part so that the convex part or the concave part of the second fastener is located on the back side of the strap attachment,
The steel body is provided so that a portion thereof is inserted into a gap formed by folding back the first attachment portion,
The main body portion has an exposed portion to which the first attachment portion and the second attachment portion are not attached ,
A strap attachment characterized in that the strap is attached to the article by inserting the second attachment part into a hole of the article and the link body and fitting the first fastener and the second fastener together. Ingredients. A strap attachment device that is attached to an article having a hole formed therein, the strap attachment device comprising:
This strap attachment is
A belt-shaped main body,
a belt-shaped first attachment part that has a first fastener having a recessed part or a convex part and is attached to one end of the main body part;
a belt-shaped second attachment portion that is attached to the other end of the main body portion and has a second fastener having a convex portion or a concave portion corresponding to the concave portion or convex portion of the first fastener ;
a steel body provided in the first attachment part;
The first attachment part is folded back at a folding part and attached to one end of the main body part so that the recess or convex part of the first fastener is located on the surface side of the strap attachment,
The second attachment portion is attached to the other end of the main body portion such that the convex portion or the concave portion of the second fastener is located on the surface side of the strap attachment device,
The steel body is provided so that a portion thereof is inserted into a gap formed by folding back the first attachment portion,
The main body portion has an exposed portion to which the first attachment portion and the second attachment portion are not attached ,
A strap attachment device that is attached to the article by inserting the second attachment portion into a hole of the article and fitting the first fastener and the second fastener together. The second mounting section is made up of two mounting pieces, one of which is attached to cover the front surface of the other end of the main body, and the other is attached to cover the back surface of the other end of the main body. The strap attachment device according to claim 1 or 2, characterized in that the strap attachment device is provided with: The thickness of the part to which the first attachment part is attached (T1), the thickness of the part to which the second attachment part is attached (T2), and the thickness of the exposed part of the main body part (T3) are as follows. The attachment strap according to any one of claims 1 to 3, characterized in that it satisfies formulas (1) and (2).
T1>T3...Formula (1)
T2>T3... Formula (2) A method of attaching a strap attachment to an article having a hole formed therein, the method comprising:
This strap attachment is
A belt-shaped main body,
a belt-shaped first attachment part that has a first fastener having a recessed part or a convex part and is attached to one end of the main body part;
a belt-shaped second attachment that is attached to the other end of the main body portion, the second attachment having a convex portion or a concave portion that engages with the concave portion or convex portion of the first fastener ; Department and
a steel body provided in the first attachment part;
The first attachment part is folded back at a folding part and attached to one end of the main body part so that the recess or convex part of the first fastener is located on the surface side of the strap attachment,
The second attachment part is attached to the other end of the main body part so that the convex part or the concave part of the second fastener is located on the back side of the strap attachment,
The steel body is provided so that a portion thereof is inserted into a gap formed by folding back the first attachment portion,
The main body portion has an exposed portion to which the first attachment portion and the second attachment portion are not attached ,
The strap attachment device is attached to the article by inserting the second attachment portion into a hole of the article and the link body and fitting the first fastener and the second fastener together. How to attach the strap attachment.