JPH0680013U - Fastener - Google Patents

Abstract

(57) [Abstract] [Purpose] A surface finishing member such as a decorative plywood is fastened to a structural member or an inner wall, and at the same time, a hole for mounting a support fitting or a dowel is provided in the surface finishing member. [Structure] A screw hole 2 is formed in a head 1a of a screw 1 in the axial direction of the shaft. In addition, a groove for engaging a Phillips screwdriver is provided at the bottom of the screw hole 2. When the decorative plywood is overlaid on the structural member, the screwdriver is engaged with the groove and the screw is screwed in, the decorative plywood is fastened to the structural member, and at the same time, the screw hole provided on the head 1a of the screw becomes the finished surface of the decorative plywood. Exposed. Dowels and accessory fittings can be attached to these screw holes.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a fastener such as a screw, a nail or a bolt used for fastening a surface finishing member such as a decorative plate to another member.

[0002]

[Prior art]

 Generally, the surface finish of furniture such as bookshelves, storage boxes, display shelves, and shoe boxes is fixed with a surface finishing member such as a decorative plywood and fixed to a structural member so that the appearance is properly arranged. In such furniture, fasteners such as screws, nails, and bolts are used to fasten the surface finishing members, but these fasteners have their heads exposed on the finished surface. In order to maintain a good appearance, the fasteners are used in inconspicuous places, and the places and number of fasteners are limited.

On the inner wall of the building, a printed plywood, a decorative plywood having a resin layer adhered to its surface, or the like is used as an interior material. Such surface finishing members are sometimes attached by using an adhesive, but are often fixed to columns or studs by using fasteners such as screws, nails, and bolts.

On the other hand, accessories and decorations may be attached to the above-mentioned finished surface of furniture or the inner wall surface of a building. For example, in furniture such as bookshelves and display shelves, dowels for supporting shelf plates are detachably provided on the finishing surface. For this reason, multiple dowel holes are made in the finished surface of the furniture. On the inner wall of a building, a frame such as a painting may be supported, or a mirror, a lighting fixture, or the like may be attached. In such a case, it is necessary to attach a supporting bracket to the wall surface or attach a lighting fixture using screws.

[0005]

Conventionally, fastening of the surface finishing member and attachment of the dowel or accessory to the finished surface as described above are performed using separate metal fittings. For this reason, there is a problem that the steps of fastening the surface finishing member and attaching the accessories and the like are separate processes, which requires time and effort.

Further, a decorative cover is provided to hide the head of the screw used for fastening the surface finishing member, and the position of the screw is determined so as to be hidden by the shelf board. For this reason, there are problems that the number of steps is increased, and the fastening position is limited and the fastening strength is reduced. Furthermore, on the inner wall of the building, accessories and decorations are no longer necessary, and when removed, there is a mark that screw holes and other attachment marks are left behind, resulting in a bad appearance.

The present invention has been made in view of the above problems, and an object thereof is to fasten a surface finishing member to a structural member or the like and easily attach an accessory or a decoration to the finished surface. It is to provide a fastening metal fitting that enables to maintain the appearance of the finished surface.

[0008]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the device according to claim 1 is used for fastening a surface finishing member to another member, penetrates the surface finishing member, and penetrates into another member. A fastening metal fitting having a shaft portion that penetrates and a head portion fixed to one end of the shaft portion, wherein the head portion is a screw hole or a receiving hole formed in the axial direction of the shaft portion. Shall have.

The shape, size, and material of each part of the above-mentioned fastening fitting can be appropriately selected. For example, the shank needs to have a length that penetrates the surface finishing member and penetrates to another member to a proper depth, but the shape may be a nail driven by hitting the head. , Screw may be used. Further, it may be a bolt with which a nut is screwed.

Further, the head needs to have a size capable of providing a screw hole or a receiving hole. This head has a structure that allows tools such as a screwdriver to be locked when the shaft portion is a screw or bolt, and engages the screwdriver or the receiving hole at the bottom or the drilling surface with the driver. It is desirable to provide a groove for this.

The screw holes may be screwed with dowels for supporting the shelf board, supporting metal fittings for mounting or hanging objects, or mounting metal fittings for fixing ornaments / accessories, etc. Is something that can be done. Also, the receiving hole can be fixed by inserting a dowel or the like for supporting the shelf plate. The surface finishing member to be fastened by the fastening fitting of the present invention may be a structural plywood as well as a decorative plywood.

According to a second aspect of the present invention, in the fastening fitting according to the first aspect, the shaft portion forms a screw that penetrates into the member while rotating, and the head portion includes: It shall have a groove for engaging the driver. The groove is for engaging a driver and screwing the shaft portion, and may have a cross shape or a one-letter shape.

[0013]

[Action]

 According to the fastener according to claim 1, since the head of the fastener is provided with a screw hole or a receiving hole, the surface finishing member is overlaid on another member and the fastener is penetrated. When screwed in, the screw holes or receiving holes on the head are exposed on the surface of the surface finishing member. Dowels and fittings for accessories can be attached to these screw holes or receiving holes.

When the fastening metal fitting is used for furniture such as a bookshelf and a display shelf, a dowel can be attached to support the shelf. In addition, by arranging these metal fittings with regularity on the finished surface, you can easily move the shelves by changing the position where the dowels are attached. Further, since the surface finishing member is fastened at the positions of the dowel holes provided as needed, it is not necessary to hide the fastening screws or the like or cover it with a decorative cover.

When it is used for an inner wall of a building, various metal fittings such as supporting metal fittings for attaching accessories, decorations, etc. are attached to the screw holes or the receiving holes to be used for a predetermined purpose. Even if the head of the fastener is exposed, it does not spoil the appearance and does not need to be covered with a decorative cover. Further, since the screw hole or the receiving hole is formed in the head portion of the fastening member, it penetrates not only the surface finishing member but also other structural members and has sufficient strength. Further, the support metal fittings can be repeatedly attached and detached, and when the support metal fittings or the like are not used, a cosmetic screw or the like can be screwed to keep the appearance good. In this case, it goes without saying that the cosmetic screws can be removed and the support fitting can be used again.

In the fastening fitting according to the second aspect, the shaft portion is formed with a screw thread to form a screw, and the head portion is provided with a groove for driver engagement, so that the driver is engaged in the groove. The surface finishing member can be securely fastened by screwing it in from the surface side of the mating surface finishing member.

[0017]

【Example】

 Hereinafter, an embodiment of the fastening fitting of the present invention will be specifically described with reference to the drawings. FIG. 1 shows a fastening fitting according to a first embodiment of the present invention, in which the present invention is applied to a screw for fastening a decorative plate which is a surface finishing member to a structural member of furniture. . As shown in FIGS. 1 (a) and 1 (b), the screw 1 has a screw hole 2 formed in a substantially cylindrical head portion 1a, and an inner peripheral surface thereof has a screw portion 3a of a dowel 3. A thread groove for screwing is provided. In addition, a cross-shaped groove that engages with a Phillips type screwdriver is provided at the bottom of the screw hole. On the other hand, a head embedding hole 4a having the same size as the head 1a of the screw 1 is previously cut in the decorative plate 4 fastened with the screw.

In the screw having such a configuration, the decorative plate 4 is overlapped at a predetermined position, the tip of the screw 1 is aligned with the center of the head embedding hole 4a, and then the cross screwdriver is attached to the bottom of the screw hole. Engage with the groove provided and screw in the screw 1. As a result, the decorative plate 4 is fastened to the structural member 5, and at the same time, the screw head 1a is fixed in a state of being embedded in the head embedding hole 4a. At this time, since the screw hole 2 is formed in the head portion 1a, the dowel 3 is screwed into the screw hole 2 and fixed, and the shelf is placed on the fixed dowel 3 as shown in FIG. The plate 6 can be placed and supported. Therefore, the screw 1 can be used to fasten the decorative plate 4 to the structural member 5, and at the same time, the screw hole 2 can be provided on the surface of the decorative plate 4 so that the dowel can be attached thereto. There is no need to provide a process to do so.

Further, since the dowel 3 is screwed into the head 1a of the screw 1 exposed on the surface of the decorative plate 4 and the dowel 3 holds the shelf plate as it is, even if the head 1a is exposed. There is no discomfort and a good appearance can be maintained. Further, since it is possible to fix the screw 1 to a conspicuous part of the decorative plate 4, there is no fear that the fastening strength will be insufficient. In addition, since the screw hole 2 is formed in the screw 1, it is tougher than in the case where the decorative plate 4 is formed. Detachable.

Further, when the shelf plate 6 is not used, a cosmetic screw 7 as shown in FIG. 3, for example, can be screwed into the screw hole 2 only while the shelf plate 6 is not used to maintain a good appearance. The cosmetic screw 7 is composed of a shaft portion 7b screwed into a screw hole 2 provided in a screw head portion, and a head portion 7a having a thin flat plate shape and a smooth upper surface. A cosmetic screw 8 as shown in FIG. 4 may be attached to the screw hole 2. The head of the cosmetic screw 8 forms a curved surface.

FIG. 5 shows an example in which the screw of the above-mentioned embodiment is used for fastening a decorative plywood which is an interior material of a building. Also in this example, similarly to the above, the decorative plywood 14 is brought into contact with the structural member 15 and fixed by the screws 1. A support metal fitting 13 bent around one end is attached to a screw hole provided in the head of the screw 1, and the forehead, the watch, etc. can be easily supported by the support metal fitting. Further, when it is not necessary to support the forehead, the watch and the like, the support fitting 13 may be removed and a cosmetic screw as shown in FIG. 3 or 4 may be attached.

FIG. 6 shows an example in which a lighting fixture is attached by using a bolt-shaped attachment fitting 23 instead of the support fitting 13 shown in FIG. In this usage example, the mounting bracket 23 is mounted in the screw hole of the screw head, and the support plate 10 of the lighting fixture is fixed to the wall surface 14a.

FIG. 7 is a schematic perspective view showing a screw which is a second embodiment of the present invention. This screw has a groove for engaging a driver at the time of fastening, which is provided on the drilled surface of the screw hole.

[0024]

[Effect of device]

 As described above, according to the present invention, by providing a screw hole or a receiving hole in the head of the fastening fitting, the surface finishing member is fastened to another member and at the same time, the screw hole or It is possible to provide a receiving hole. This makes it possible to easily attach dowels for supporting shelves and the like, attachment fittings for accessories, etc., and simplify the attachment process for these. Further, since the fastening metal fittings for the surface finishing member and the dowels and mounting metal fittings necessary for the finishing surface are integrated, the appearance of the finishing surface can be improved. In the case where a screw thread is formed on the shaft part and a screw is provided on the head for engaging a driver, the fastening metal fitting is screwed in from the surface side of the surface finishing member to secure the surface finishing member firmly. Can be fastened.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a fastening fitting according to a first embodiment of the present invention and a schematic sectional view showing a usage state.

FIG. 2 is a schematic cross-sectional view showing a usage state of the embodiment shown in FIG.

FIG. 3 is a diagram showing a state in which a cosmetic screw is used in the embodiment of FIG. 1 and front and side views of the cosmetic screw.

FIG. 4 is a cross-sectional view, a front view, and a side view showing another example of a cosmetic screw.

5 is a schematic cross-sectional view showing an example in which the fastening fitting of the embodiment shown in FIG. 1 is used for fastening interior material of a building.

FIG. 6 is a schematic cross-sectional view showing another example in which the fastening fitting of the embodiment shown in FIG. 1 is used for fastening interior material of a building.

FIG. 7 is a schematic perspective view showing an example of a fastener used as a screw according to a second embodiment of the present invention.

[Simple explanation of symbols]

 1 Screw 2 Screw Hole 3 Dowel 4 Decorative Plate 5 Structural Member 6 Shelf Board 7, 8 Decorative Screw 10 Support Plate for Lighting Fixture 14 Decorative Plywood 15 Structural Member

Claims (2)

[Scope of utility model registration request] 1. A shaft portion which is used for fastening a surface finishing member to another member, penetrates the surface finishing member, and is penetrated or penetrated by another member, and is fixed to one end of the shaft portion. A fastening fitting having a head portion, wherein the head portion has a screw hole or a receiving hole formed in the axial direction of the shaft portion. 2. The shaft portion forms a screw that penetrates into a member while rotating, and the head portion has a groove for engaging a driver. Fastening metal fittings.