JP3394485B2 - Handrail connection mechanism - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a handrail connecting mechanism for connecting a handrail member which is a component of an elongated handrail. 2. Description of the Related Art Handrails attached to indoor and outdoor walls are often used by joining handrail members a to d as shown in FIG. Here, handrail members a, c, d
Is a simple wood or metal tube and is straight, but the handrail member b 'has a structure in which a spring is inserted in the longitudinal direction and is bendable. A handrail connecting mechanism A 'for connecting between a handrail member c and a handrail member d has a basic configuration as shown in FIG. In the figure, 1 is a disk-shaped fixed body screwed to the end face of the handrail member c, 2 is a disk-shaped fixed body screwed to the end face of the handrail member d, 3 is an annular operating member, and 45 is an annular operating member. A holding plate for rotatably attaching the member 3 to the disk-shaped fixed body 2. The outer peripheral surface of the disk-shaped fixed body 1 is threaded, while the inner peripheral surface of the annular operating member 3 is also threaded. [0004] That is, the end face of the handrail member c to which the disc-shaped fixed body 1 is attached and the end face of the handrail member c to which the disc-shaped fixed member 2, the annular operating member 3 and the holding plate 4 are attached. When the annular operating member 3 is rotated in the aligned state, the disk-shaped fixed body 1 and the annular operating member 3 are screwed together, thereby connecting the handrail members c and d. It has become. The handrail connecting mechanism B 'for connecting between the handrail members a, b', and c as shown in FIG. 2 has the same basic configuration as described above. [0005] However, in the case of the above-described conventional example, the handrail member c has a diameter that is substantially the same as that of the handrail member c and the like. As the diameter becomes larger, it becomes more difficult to cut a screw on the outer peripheral surface of the disk-shaped fixed body 1 and the inner peripheral surface of the annular operating member 3, and it is difficult to reduce the cost in terms of machining. is there. Further, since the bendable handrail member b 'uses a spring, it is difficult to reduce the cost in terms of parts. [0006] The present invention has been made in view of the above background, and an object of the present invention is to provide a handrail connecting mechanism capable of reducing costs. [0007] A handrail connecting mechanism according to the present invention is a long handrail component, and comprises a first handrail member and a second handrail member adjacent to each other. A first fixed plate attached to an end face of a first handrail member, a second fixed plate attached to an end face of a second handrail member, A first cylindrical body is formed on each of the front and back surfaces of the first and second handrail members; A second cylindrical body corresponding to the first cylindrical body is formed on a surface of each of the first and second fixed plates, and a first fixed plate and a second fixed plate are connected to each other. When the connecting body is rotated in a state where the connecting body is positioned therebetween, the first cylindrical body of the connecting body and the second cylindrical bodies of the first and second fixing plates are screwed with each other. The connecting body is configured such that two connecting plates of the same shape are rotatable about an axial center portion with their back surfaces facing each other, and the connecting plate is A disk portion on which the first cylindrical body is formed, and an edge portion extending in the axial direction on the outer peripheral portion of the disk portion; Has a configuration in which the two connecting plates are rotatably connected through holes formed in the inner bottom surface of the first tubular body of the two connecting plates. [0008] Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic sectional view of the handrail connecting mechanism. A handrail connecting mechanism C according to an embodiment of the present invention includes a first handrail member d attached to an end face of a first handrail member d.
, A second fixing plate 110 attached to the end surface of the second handrail member c, and a disc-shaped member having a larger diameter than the first and second handrail members d and c. A connected body 120
The first cylindrical bodies 1211 and 1211 are respectively formed on the front and back surfaces of the connecting body 120, while the second cylindrical bodies 1211 and 1211 are formed on the surfaces of the first and second fixing plates 100 and 110. When the connecting body 120 is rotated in a state where the first fixing plate 100 and the second fixing plate 110 are aligned with the connecting body 120 interposed therebetween, the connecting body 120 first cylindrical bodies 1211, 1211 and the first,
The second cylindrical bodies 101, 1 of the second fixing plates 100, 110
11 are screwed with each other. Here, first cylindrical bodies 1211 are formed on the front and back surfaces of the connecting body 120, respectively, while the first and second cylindrical bodies 1211 are formed.
The second cylindrical body 1 is placed on the surface of the second fixing plates 100 and 110.
01 and 111 are respectively formed. First cylindrical body 12
The outer peripheral surface of 11 is provided with a male screw, while the inner peripheral surface of the second cylindrical body 111 is provided with a female screw. The connecting body 120 is composed of two connecting plates 1 of the same shape.
Numerals 21 and 121 are rotatable about an axis 122 with their back surfaces facing each other. Connecting plate 121,
Reference numeral 121 denotes a structure having a disk portion 1212 in which a first cylindrical body 1211 is formed at the center on the surface, and an edge portion 1213 extending toward the axial direction on the outer peripheral edge of the disk portion 1212. It has become. The shaft portion 122 is passed through holes 1210, 1210 formed in the inner bottom surfaces of the first cylindrical bodies 1211, 1211 of the connecting plates 121, 121, respectively.
21 are rotatably connected. Shaft core 1
Reference numeral 22 is attached by passing through the holes 1210 and 1210 in a state where the back surfaces of the connection plates 121 and 121 are overlapped with each other, and crimping the ends thereof. As a result, the connecting plates 121 and 121 become rotatable about the shaft core 122. First fixed plate 100, second fixed plate 110
Is a disk having the same diameter as the first and second handrail members d and c, and second cylindrical bodies 101 and 111 are formed at the center on the surface thereof, and the second cylindrical bodies 101 and 111 are formed therearound. Holes (not shown) through which three screws (not shown) for attaching to the end surfaces of the first and second handrail members d and c are formed at intervals of 120 °. Internal threads of the second cylindrical bodies 101 and 111 are provided with internal threads. In order to connect between the second handrail member c and the first handrail member d using the handrail connecting mechanism C, the first fixing plate 100 is attached with the connecting body 120 interposed therebetween. By aligning the end surface of the first handrail member d and the end surface of the second handrail member c to which the second fixing plate 110 is attached, the connecting plates 121 and 121 constituting the connecting body 120 are moved. Rotate them in opposite directions. Thereby, the connecting body 12
The first handrail member c and the first handrail are thereby screwed together with the first cylindrical bodies 1211, 1211 of the first handpiece and the recesses 101, 111 of the first and second fixing plates 100, 110, respectively. The connection with the member d is established. In such a handrail connecting mechanism C, first,
The first tubular member 121 is compared with the second handrail members d and c.
Since the diameters of the first and second cylindrical members 101 and 111 are small, the first and second handrail members d and c have a large diameter even if the first and second handrail members d and c have a large diameter, unlike the conventional example. Outer peripheral surface of the cylindrical body 1211, 1211 and the second cylindrical body 101,
It is not difficult to cut a screw on the inner peripheral surface of 111, and it is possible to reduce the cost in terms of processing. In addition, since the edge 1213 is formed on the outer peripheral edge of the connecting body 120, the area of contact with the hand is increased by the amount of the edge 1213, and the connecting body 120 can be easily rotated. The connection work between the handrail member d and the second handrail member c becomes easier. Also, such a handrail connecting mechanism C
Then, there is a merit in terms of cost. That is, while the first fixed plate 100 and the second fixed plate 110 are the same component,
Since the connecting plates 121, 121 constituting the connecting body 120 are the same parts, it is not necessary to manufacture a large number of parts, so that the cost can be reduced. Note that the handrail connecting mechanism C according to the present invention is not limited to the above embodiment, and the setting may be changed as follows. The first and second handrail members d and c have first,
For the method of attaching the second fixing plates 100 and 110, caulking or an adhesive may be used. The handrail connecting mechanism according to the present invention is an elongated handrail component and connects between the adjacent first and second handrail members. A first fixed plate attached to an end face of a first handrail member, a second fixed plate attached to an end face of a second handrail member, and a first and a second. And a connecting member that is a disk-shaped member having a diameter larger than that of the handrail member. A second cylindrical body corresponding to the first cylindrical body is formed on the surface of the fixed plate, and the first fixed plate and the second fixed plate are positioned with the connecting body interposed therebetween. When the connecting body is rotated in the aligned state, the first cylindrical body of the connecting body and the first,
The second cylindrical body of the second fixing plate is configured to be screwed with each other, and the connecting member has two connecting plates of the same shape with their back surfaces opposed to each other, and centered on the shaft core portion. The connecting plate is provided with a disk portion having the first tubular body formed at the center on the surface, and is extended toward the axial center direction on the outer peripheral portion of the disk portion. The shaft core portion is passed through holes formed in the inner bottom surface of the first cylindrical body of the two connection plates, and is turned around the two connection plates. It is configured to be movably connected. In the case of such a handrail connecting mechanism, when the connecting body is rotated in a state where the first fixing plate and the second fixing plate are positioned with the connecting body therebetween, the first cylindrical portion of the connecting body is formed. And the second cylindrical bodies of the first and second fixing plates are screwed together, so that the first handrail member and the second handrail member are connected. Therefore, even if the first and second handrail members have a large diameter, it is not difficult to cut a screw on the outer peripheral surface of the first cylindrical body and the inner peripheral surface of the second cylindrical body.
Cost reduction can be achieved in terms of processing. Further, since the connecting body is composed of two connecting plates having the same shape, the cost can be reduced from this aspect as well.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic sectional view of a handrail connecting mechanism according to an embodiment of the present invention. FIG. 2 is a schematic diagram of a handrail formed by joining a plurality of handrail members. FIG. 3 is a diagram for explaining a conventional handrail connecting mechanism, and is an exploded perspective view of the mechanism. [Description of Signs] 100, 110 First fixing plate 101, 111 Second cylindrical body 120 Connecting body 121 Connecting plate 1211 First cylindrical body 122 Shaft core

────────────────────────────────────────────────── ─── Continuation of front page (56) References JP-A-7-324451 (JP, A) JP-A-10-266510 (JP, A) JP-A-2000-145086 (JP, A) (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) E04F 11/18 F16B 7/18

Claims (1)

(57) [Claim 1] A handrail connection, which is a long handrail component and connects between adjacent first and second handrail members. In the mechanism, a first fixed plate attached to an end face of a first handrail member, a second fixed plate attached to an end face of a second handrail member, and first and second handrail members A first cylindrical body is formed on each of the front and back surfaces of the connected body, while the first and second fixed plates are formed. A second cylindrical body corresponding to the first cylindrical body is formed on the surface of the first member, and the first fixed plate and the second fixed plate are aligned with the connecting body therebetween. When the connecting body is rotated at the first cylindrical body of the connecting body and the second cylindrical body of the first and second fixing plates are screwed together, and the connecting body is same The two connecting plates are rotatable about their respective axis cores with their back surfaces facing each other, and the connecting plate has a circle in which the first cylindrical body is formed at the center on the surface. While the plate portion and the outer peripheral portion of the disk portion are configured to have an edge portion extending in the axial direction, the shaft core portion has a first cylindrical shape of two connecting plates. Through the holes formed in the inner bottom surface of the body
A handrail connecting mechanism, wherein the two connecting plates are rotatably connected.