JPH083559Y2 - Handrail connection structure and connection fittings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a connecting structure and a fitting for mutual handrail members when installing a handrail mainly used for stairs, balconies and the like.

(Prior art) When handrails are installed on stairs or balconies, prefabricating work is in progress in order to simplify the work on site and reduce costs as much as possible. , There may be no unity in the bending direction. At this time, it is conceivable to cut the handrail members and connect the cut surfaces to each other, but recently aluminum materials have been widely used for rust prevention and weather resistance, etc. It is not possible to take any connecting means such as welding.

(Problems to be solved by the invention) Therefore, a method of connecting a handrail member by interposing a connecting member between the cut ends of each handrail member was also proposed, but this is because of the appearance of the handrail at the connection point. The continuity of
Not desirable in terms of design. Further, since most of the handrail members are composed of tubular members such as cylinders or square tubes, it is also possible to insert and fix a joint member inside the cut end of the handrail member to connect both handrail members. ing. However, in either case, since there is no unity in the bending direction, a connecting member with a shape that meets each condition,
Joint members must be prepared.

(Purpose of the Invention) The present invention has been made in view of the above circumstances, and in a place where the handrail can be bent, the handrail members can be connected by butting to each other so that the outer appearance is not damaged and the bending direction is adapted. It is intended to provide a handrail connection structure and a connection fitting that can be made.

(Means for Solving the Problem) Therefore, in the present invention, as is clear from the illustrated embodiment, the end cut surfaces (2b, 2b ′) of the tubular handrail member (2, 2 ′) are also shown. ) Are joined to each other so that the joint member (6) disposed inside the handrail member (2, 2 ') is connected and fixed from the outside of the handrail member (2, 2') with a screw. In the connection structure of the handrail, the joint member (6) is composed of left and right joints (7, 7 ') and both joints of a size to be fitted and held in each handrail member (2, 2'). It comprises a pivot body (9,9 ') for pivotally supporting the body (7,7'), and the joint body (7,7 ') has a U-shaped cross-sectional shape, and both side pieces and an intermediate piece thereof. Is provided with a screw hole (11) opened in a direction parallel to the pivot axis (8) of the pivot body (9, 9 ') and a direction orthogonal to the pivot axis (8).
9 ') is a structure in which the ends of one side piece of the above left and right joined bodies (7, 7') are bent toward the other side piece and then outwardly extended at an intermediate position between the one side piece and the other side piece. The left and right pivotal supports (9, 9 ') are rotatably supported by the pivot shaft (8) and are formed on the handrail members (2, 2'). Has a screw insertion hole (12) located below it for screwing the screw into the screw hole (11).

(Operation) Therefore, after the end portions of the handrail members (2, 2 ') whose dimensions and angles have been adjusted at the site are cut at a required angle with respect to the longitudinal direction, the handrail members (2 ,
Fit the above-mentioned joined body (7, 7 ') into the 2'), and pivot (8)
After adjusting the bending direction around them, the cut surfaces are joined to each other, and in this state, the handrail members (2,
If 2 ') is fixed to the joined body (7, 7'), the handrail members (2, 2 ') maintain the appearance as a continuous handrail structure that bends in the desired bending direction, and This will bring the practical benefit of being able to handle connections at any angle with one connecting bracket.

Embodiment An embodiment of the present invention will be specifically described below with reference to the drawings. In the figure, reference numeral 1 is a handrail member 2, 2 ', 2 "
Is a handrail member that is connected to each other at connection points a and b, and vertical rails 3 are attached to the handrail members 2, 2 ', 2 "at a predetermined pitch in the middle, and the handrail members are connected to the handrail members by pillars 4. 2,2 ′,
2 ″ is supported. In the figure, reference numeral 5 is a lower frame.

At the connection points a and b, the handrail members 2, 2 ′ and 2 ″ are cut at half angles 1 / 2α and 1 / 2β with respect to the bending direction so that they are butt-connected to each other. The connection fittings 6 for connecting the handrail members 2, 2'or 2 ', 2 "are joined bodies 7, which are sized and fitted to the handrail members.
A joint member having a pivot body 9, 9'for pivotally supporting the joint body 7'and both joint bodies 7, 7'with respect to each other by a pivot shaft 8, in which a screw 10 is separately prepared. The above-mentioned joined body 7,7 ′ is
Each of the pivot members 9, 9'is a plate-shaped member extending at its end. After pivoting the ends of one side piece of the left and right joint bodies 7, 7'to the other side piece, the pivotal support bodies 9 and 9'are placed outside at an intermediate position between the one side piece and the other side piece. It is formed by a plate-shaped member extending in one direction. Pivotal support holes 9a, 9a 'are bored in the pivot bodies 9, 9', and the above-mentioned pivot shaft 8 is inserted there. The pivot 8 includes a bolt 8a, a nut 8b, and a washer 8c in this embodiment.
It is composed of Further, the joint body 7, 7'has a pivot 8
A screw hole 11 is formed in a direction parallel to and a direction orthogonal to the screw hole 11, and the screw 10 described above can be screwed into the screw hole 11.

On the other hand, the handrail members 2, 2 ', 2 "are provided with a groove 2a on the lower side, and a screw for guiding the screw 10 to the screw hole 11 is provided on the inner bottom surface of the groove 2a. It is drilled in the insertion hole 12 according to the site.

In such a structure, first, one of the joined bodies 7 and 7'is fitted to the cut end of either one of the handrail members 2 and 2'or 2'and 2 ", and one surface thereof is provided with the groove 2a. In this state, the two corners 7a of the joined bodies 7, 7'slide into contact with the inner peripheral surface of the handrail member and are fitted and supported. The cut surface 2b, 2 of the handrail member
Match b ′ and 2b ″, and in this state screw 10 into screw insertion hole 12
It is screwed into the screw hole 11 via and the one of the joined bodies is fixed to the handrail member. Next, according to the bending angle of the handrail,
The pivots 9, 9'are rotated about the pivot 8, and the nut 8b is tightened with respect to the bolt 8a at a required angle to secure the angle. Next, the other of the joined bodies 7 and 7'is fitted to the cut end of the other handrail member in the same manner, and the mutual cut surfaces of the handrail member are butted against each other. In this state,
The screw 10 is screwed into the screw hole 11 through the screw insertion hole 12 to fix the other joined body to the handrail member. It should be noted that, when the mutual cut surfaces of the handrail members are butted against each other, the nut 8b may be appropriately tightened so that the angle can be slightly corrected.

The direction of the pivot 8 with respect to the handrail member is the direction of bending at the connection point of the handrail, for example, the vertical direction of the handrail member as in a and b of the embodiment, or the lateral direction. Therefore, correspondingly, the postures of the joined bodies 7 and 7'with respect to the handrail member are turned by 90 degrees.

(Effects of the Invention) As described in detail above, according to the present invention, since the connecting fitting for connecting the handrail members is composed of the joint member whose bending angle can be freely adjusted, the cutting surface of the handrail member is cut. Since it has versatility and can enter the inside of the handrail member, it is possible to secure continuity of the handrail member in terms of appearance and to maintain a preferable state in terms of design. can get.

In addition, a pivot body 9, which pivotally supports the left and right joints 7, 7'to each other,
The joint 9 ', which has a U-shaped cross section, bends the end of one side piece toward the other side piece, and then extends outward at an intermediate position between the one side piece and the other side piece. Formed by the plate-shaped member
Since the overlapping central portions of the left and right pivots 9, 9'are pivotally supported by the pivot 8, the head and legs of the pivot 8 are within the range of the thickness of the joint 7, 7 '. Since the joint member 6 does not project from the upper and lower surfaces, the joint member 6 can be compactly housed in the cylinder of the handrail member, the workability is good, and general-purpose members such as bolts and nuts can be used as the pivot 8. it can.

[Brief description of drawings]

FIG. 1 is an overall schematic view of a handrail structure showing an embodiment of the present invention, FIG. 2 is an exploded perspective view of a main part, and FIG. 3 is a connection point a.
Fig. 4 is a vertical cross-sectional plan view showing the connection between the connection fitting and the handrail member corresponding to Fig. 4, Fig. 4 is the same vertical cross-sectional end view, and Fig. 5 is the connection point b
FIG. 6 is a cross-sectional plan view showing a connection state between the connection fitting and the handrail member corresponding to FIG. 1 ... Handrail member, 2,2 ', 2 "... Handrail member, 3 ...
Vertical rails, 4 ... props, 5 ... lower frame, 6 ... connection fittings (joint members), 7,7 '... joined body, 8 ... pivot, 9,9'
...... Pivot body, 10 ...... screw, 11 ...... screw hole, 12 ...... screw insertion hole.

Claims (2)

[Scope of utility model registration request] 1. A cylindrical handrail member (2, 2 ') is disposed inside the handrail member (2, 2') with the end cut surfaces (2b, 2b ') joined to each other. In the connection structure of the handrail in which the joint member (6) is connected and fixed from the outside of the handrail member (2, 2 ′) with a screw, the joint member (6) includes each handrail member (2). , 2 ') have left and right joints (7, 7') of a size that fits and holds them, and pivots (9, 9 ') that pivotally support both joints (7, 7'). The joined body (7, 7 ′) has a U-shaped cross section,
The both side pieces and the intermediate piece are provided with screw holes (11) opened in a direction parallel to the pivot axis (8) of the pivot body (9, 9 ') and a direction orthogonal to the pivot axis (8). Body (9,9 ′)
Is a plate extending outward at an intermediate position between the one side piece and the other side piece after bending an end portion of the one side piece of the left and right joined bodies (7, 7 ′) in the direction of the other side piece. The left and right pivotal supports (9, 9 ') are rotatably supported by the pivot shaft (8), and the handrail members (2, 2') are A handrail connection structure characterized in that a screw insertion hole (12) is provided at a lower side for screwing the screw into a screw hole (11). 2. A handrail member (2, 2 ') having a tubular shape, which is inserted into the handrail member (2, 2') and fixed to the handrail member (2, 2 ') with screws.
A handrail connecting fitting for connecting the handrail members (2, 2 ') to each other, wherein the connecting fitting is a joined body (7, 7) of a size that is fitted and held in each handrail member (2, 2'). ′) And a joint member (6) having a pivot body (9, 9 ′) for pivotally supporting both joint bodies (7, 7 ′) by a pivot axis (8) and a screw (10), The joined body (7, 7 ') has a U-shaped cross section, and a screw hole (11) into which the screw (10) is screwed is formed in both side pieces and an intermediate piece in a direction parallel to the pivot axis (8). Also, the pivot body (9, 9 ') is opened in a direction orthogonal to the joint body (7, 7).
7 ') The end portion of one side piece is bent in the direction of the other side piece, and then the left and right pivot members are formed of a plate-like member extending outward at an intermediate position between the one side piece and the other side piece. A handrail connecting metal fitting, wherein a superposition center of (9, 9 ') is rotatably supported by a pivot (8).