JPH10238056A - Joint structure for coping - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide such a new joint structure for a coping with less number of parts and at a low cost as being capable of easily and selectively adjusting a bending angle and a bending direction. SOLUTION: A joint structure for plural copings to be longitudinally joined together at any angles has an end cap 2 mounted at the end of the coping 1, a flexible axial material 3 to join the copings 1 via the end cap 2 and a joint member 4 to insert the axial material 3 through, In the joint member 4, an insertion hole for the axial material 3 and a groove 42 connected to the insertion hole are formed, The groove has a plane angle for the axial material 3 to be bent at a preset angle so that both ends of the axial material 3 can be fixed to the end cap 2 to put the joint member 4 in contact with the end cap 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The invention of this application relates to a joint structure of a skirt part. More specifically, the present invention relates to a joint structure of a shag portion useful for handrails, fences and the like installed on stairs and exteriors of houses and the like.

[0002]

2. Description of the Related Art Conventionally, a plurality of handrails, fences, and the like are often installed on stairs and exteriors of houses or the like, with their respective sashes connected in the longitudinal direction via joints. As a joint for connecting such a handrail, a fence or the like, such as a fence body, for example, those shown in FIGS. 7 and 8 are known. FIG. 7 illustrates a conventional joint (a), and FIG. 8 is an enlarged exploded view illustrating an enlarged structure of each structural part of the joint (a) illustrated in FIG. 7.

As illustrated in FIGS. 7 and 8, a conventional joint (a) is, for example, a fitting part (g) fitted to an end of a cap part (a) such as a handrail or a fence body. And a movable part (f) fitted to the fitting part (g). The movable part (f) is further provided with a shaft screw (h) for adjusting a bending angle. I have. In such a conventional joint (a), the fitting part (g) is bent to a desired angle around the shaft screw (h) of the movable part (f), and the movable part (f) and the fitting part (g) are bent. 9), the orientation of the joint (a) with respect to the skirt portion (a) is changed about the joint (a) as an axis, and as shown in FIG. 9, each skirting of the handrail supported by the column (c). The part (A) is connected in the longitudinal direction by adjusting the arrangement angle in accordance with the inclination angle formed by the horizontal part (E) and the stair part (E) such as a corridor.

[0004]

However, in the case of such a conventional joint (a), as apparent from FIG. 7 and FIG. 8, a shaft screw is required to arbitrarily change a bending angle and a bending direction. There are problems that two axes of (h) and a joining part (h) are required, the number of parts is large, and the cost is high.

[0005] Further, every time the bending angle is adjusted, a very troublesome operation such as loosening and retightening the shaft screw (h) of the movable portion (f) is required, so that the angle can be easily adjusted. could not. Furthermore, the conventional joint (a) has a problem that it is difficult to form it into a shape having a sense of unity such as a handrail or a fence body, and there are many problems in appearance.

Accordingly, the invention of this application has been made in view of the above circumstances, and has a small number of parts, is inexpensive, and can easily and arbitrarily adjust a bending angle and a bending direction. It aims to provide a new joint structure of the section.

[0007]

Means for Solving the Problems The invention of the present application is to solve the above-mentioned problem, and has a joint structure in which a plurality of hems are connected at an arbitrary angle in the longitudinal direction. It has an end cap to be attached, a bendable shaft connecting the skirting part via the end cap, and a joint member through which the shaft is inserted. A continuous groove is formed, the groove has a plane angle at which the shaft is bent at a predetermined angle, both ends of the shaft are fixed to the end cap, and the joint member and the end cap are in contact with each other. The present invention provides a joint structure for a shag part.

Further, the invention of this application is characterized in that, in the above-mentioned joint structure, the joint member is substantially spherical, and the joint member has a groove formed on the peripheral surface of the groove plane. And that the groove of the joint member has a substantially quarter fan shape in cross section, the groove of the joint member has a substantially semicircular cross section, It is a preferred embodiment that the material is made of stainless steel, and the shaft material is a Sungiri bolt.

[0009]

Embodiments of the present invention will be described below in more detail with reference to the accompanying drawings.

[0010]

1, 2, and 3 exemplify a joint structure of a sash portion according to an embodiment of the present invention. FIG. 1 is a perspective view of a main part, FIG. 2 is a front view, and FIG. 3 is a plan view.
In the joint structure of the skirt part according to the present invention illustrated in FIGS. 1, 2 and 3, the end cap (2) made of aluminum die-cast or resin is used to fix the fixture (21) and the fixing screw (22). A shaft member (3) is attached to the end of the skirt part (1) such as a handrail or fence body through the end cap (2) so as to connect the skirt part (1).
Are fixed to the end cap (2), and a joint member (4) into which the shaft member (3) is inserted is in contact with the end cap (2).

More specifically, the shaft member (3) is a bendable stainless steel bolt, and both ends thereof are fixed to the end cap (2) by screws (31). Of course, as the shaft member (3), for example, a stainless steel shaft or the like may be used. In the case of the stainless steel shaft, the shaft member (3) is fixed by caulking to the end cap (3) with, for example, a caulking tool.

FIGS. 4 (a), 4 (b) and 4 (c) respectively show
It is the horizontal sectional view, front view, and side view which illustrated the structure of the joint member (4). FIGS. 4A and 4B
As shown in (c), the joint member (4) is formed with an insertion hole (41) through which the shaft member (3) as described above is inserted at a substantially radial position.
A groove (42) having a substantially fan-shaped cross section connected to the end of (1) is formed.

The groove (42) has a plane angle at which the shaft member (3) is bent at a predetermined angle, that is, approximately 1/4 in this case.
It has about 90 degrees which is the central angle of the sector shape, and as shown in FIG. 3, bending the shaft member (3) at a predetermined angle limited by the plane angle of about 90 degrees of the groove (42). Thereby, each of the caps (1) can be connected at the predetermined angle. In addition, with such a cross section having a substantially quarter fan shape,
The shaft member (3) is difficult to see from the front.

Further, the shape of the joint member (4) is preferably substantially spherical, and by having a spherical shape, for example, as shown in FIG. ), The distance between the contact point of the joint member (4) and the end cap (2) and the center of the joint member (4) is always maintained at a constant length. , In what position Kasagi part (1)
Even if they are connected to each other, no gap is formed between the joint member (4) and the end cap (2), which is preferable in appearance, and the danger of pinching a finger or the like is also prevented.

Further, the joint member (4) includes:
A groove (43) is formed on the peripheral surface of the plane in which the groove (42) exists, and the groove (43) allows the contact point between the joint member (4) and the end cap (2) to be two points instead of one point. Points, and the strength of the joint structure is increased due to the two-point contact. Of course, the shape of the joint member (4) does not have to be a perfect sphere.
It may be a substantially spherical body such as an elliptical cross section corresponding to the above shape.

The insertion hole (41) and the groove (42) formed in the joint member (4) can also be formed in various shapes corresponding to the desired bending angle of the coping (1). The shapes illustrated in FIGS. 5A, 5B, and 5C are also preferable shapes. This figure 5
The groove (42) shown in (a), (b) and (c) is an insertion hole (41) formed at a substantially radial position of the joint member (4).
And the groove (42) having such a shape has a wider plane angle, so that the range of the bending angle of the shaft member (3) is limited. It becomes very large, and it is possible to adjust the bending angle of each of the caps (1) more freely and easily, and connect them at a predetermined angle.

In the case of connecting a plurality of sashes (1) by such a joint structure of the present invention, first, as illustrated in FIG. 6, the joint member (4) is connected in the direction in which the sashes (1) are connected. In other words, according to the direction in which the shaft member (3) is bent,
After that, the shaft member (41) is bent in accordance with the bending angle connecting the skirt part (1). Therefore, in the joint structure of the present invention, only the shaft member (3) inserted into the joint member (4) functions as a shaft for changing the bending direction and the bending angle. The joint structure of the present invention, which requires only one shaft, can reduce the number of parts, reduce investment for manufacturing and construction, and can reduce investment compared to the conventional joint (a) that requires two shafts. Therefore, it is possible to secure higher strength than the strength of a conventional small shaft screw (h) or the like.

Of course, the present invention is not limited to the above-described example, and it goes without saying that various embodiments are possible in detail.

[0019]

As described above in detail, according to the present invention, the cap portion having a preferable shape in appearance, having a small number of parts and being inexpensive, and capable of easily and arbitrarily adjusting a bending angle and a bending direction can be obtained. A new joint structure is provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part illustrating a joint structure of a skirt part according to an embodiment of the present invention.

FIG. 2 is a side view illustrating the joint structure illustrated in FIG. 1;

FIG. 3 is a plan view illustrating the joint structure illustrated in FIG. 1;

FIGS. 4A, 4B, and 4C are a cross-sectional view, a front view, and a side view, respectively, illustrating an example of a joint member.

FIGS. 5A, 5B, and 5C are a cross-sectional view, a front view, and a side view, respectively, illustrating another example of a joint member.

FIG. 6 is a perspective view exemplifying a joint structure of a cap portion of the present invention.

FIG. 7 is an exploded perspective view illustrating a conventional joint structure.

FIG. 8 is an exploded plan view illustrating a conventional joint structure.

FIG. 9 is a front view showing an example of a handrail for stairs using the conventional joint structure of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Kasagi part 2 End cap 21 Fixture 22 Fixing screw 3 Shaft 31 Screw 4 Joint member 41 Insertion hole 42 Groove part 43 Groove

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Shigeyuki Ueda 1048 Odomo Kadoma, Kadoma City, Osaka, Japan Matsushita Electric Works, Ltd. Inventor Hiroki Fujisaku 1048 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd.

Claims (7)

[Claims] 1. A joint structure for connecting a plurality of caps at an arbitrary angle in a longitudinal direction, wherein the end cap is attached to an end of the cap and a bendable connecting the caps via the end cap. A shaft member, and a joint member through which the shaft member is inserted. The joint member has an insertion hole for the shaft member and a groove connected to the insertion hole, and the groove is bent at a predetermined angle. The joint structure of the skirting part, wherein the joint member has a flat plane angle, both ends of the shaft member are fixed to the end cap, and the joint member and the end cap are in contact with each other. 2. The joint structure according to claim 1, wherein the joint member is substantially spherical. 3. The joint structure according to claim 1, wherein the joint member has a groove formed on a peripheral surface of the groove plane. 4. The groove of the joint member has a cross section of approximately 1/4.
The joint structure of a skirt part according to any one of claims 1 to 3, wherein the joint structure has a fan shape. 5. The joint structure according to claim 1, wherein the groove of the joint member has a substantially semicircular cross section. 6. The joint structure according to claim 1, wherein the shaft is made of stainless steel. 7. The joint structure according to claim 6, wherein the shaft member is a Sungiri bolt.