JP3080186B2 - Flexible cable rack - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to the construction of building equipment.
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable rack for laying cables for power and communication, and more particularly to a universal cable rack capable of coping with a wide range of bent connections in the construction.

[0002]

2. Description of the Related Art Cable racks are often used in construction equipment construction where a large number of cables are wired in parallel, such as electric trunk wiring, and the installation is performed using ceiling suspension or brackets. Is being done.

In recent years, there has been a demand for building equipment to be built-in (concealed) together with an increase in the amount and complexity of the equipment.
In the construction of a cable rack in a building, it is necessary to appropriately design the structure, the finishing material, the cable racks, or the fitting of the equipment piping and equipment.

[0004] Regarding the bent portion in the construction of this cable rack, conventionally, as shown in FIG. 13 corresponding to a construction example using a part of the cable rack, a horizontally adjustable metal fitting, a vertically adjustable metal fitting, a horizontal bend, a vertical bend ( D-type cable rack,
Various joints such as a U-shaped cable rack) are provided.

[0005]

In the construction of the bent portion of the cable rack as described above, conventionally, various types of joints and the like as described above have to be used, so that management and construction are extremely troublesome. In addition, the use of such a joint or the like does not allow subtle deformation on fitting, and does not allow deformation on twisting at all. An object of the present invention is to solve such a problem.

[0006]

Cable racks of the present invention to solve the problems described above SUMMARY OF THE INVENTION are freely at the connecting member between the pair of frame members arranged side by side on a horizontal plane by a pin coupled to each both ends The first and second frame portions are connected so as to be swingable, and the third frame portion is formed by fixing a connection member between a pair of frame members arranged side by side on a horizontal plane . the second frame part is pivotally connected to one end of each of the frame members in the vertical direction, one end side of the other end and the third frame portion of the second frame portion of the frame member The pair of movable arms is projected from the pair of movable arms so that they can turn in the horizontal direction.
With connecting the second frame part and the third frame portion is pivotally connected to the end in the horizontal direction, both of the movable rail member
A long groove extending in the length direction is formed at an end portion, and a rotation fulcrum of a connecting portion of the movable arm is movably engaged in the long groove, thereby forming a gap between the second and third frame portions. The movable beam member is supported and configured.

[0007]

First, the first and second frame portions are provided with respective frames.
One end of the system member is connected to be rotatable up and down.
Therefore, it can be bent up and down.

The connecting members connecting the pair of frame members constituting the first and second frame portions are connected to each other at both ends so as to be freely swingable by pin connections . As described above, the first and second frame portions can be twisted together with the configuration capable of being bent up and down .

[0009] Between the second and third frame portions,
Since the movable arms protruding so as to be rotatable in the horizontal direction are connected so as to be rotatable in the horizontal direction, the angles of these connected movable arms can be changed. Correspondingly, the second and third frame portions can move forward and backward with respect to the other, so that the length of the cable rack including the first, second, and third frame portions can be expanded and contracted.

Further, the angle of the movable arm can be large on one side of the left and right sides and can be reduced on the other side, so that the movable arm can be bent in the horizontal direction to the side where the angle is small.

[0011] The first and third in the cable rack
The end side of the frame member of the frame portion can be connected and fixed to the frame member of another cable rack via an appropriate fixing member.

In the cable rack of the present invention, the cable can be laid and laid on the connecting member and the movable cross member.

[0013]

Next, an embodiment of the present invention will be described with reference to the drawings. First, FIGS. 1, 2, and 3 are a perspective view, a plan view, and a longitudinal sectional view, respectively, showing an embodiment of a universal cable rack according to the present invention.

In these figures, reference numerals a and b denote first and second frame parts, respectively, and these frame parts a and b are a pair of frame members 1a, 1 arranged side by side, respectively.
a, connecting members 2a and 2b are connected by pins so as to be freely swingable at both ends. Reference numerals 3a and 3b denote pin connection points. Then, one end of each of the frame members 1a, 1a; 1b, 1b of the first and second frame portions a, b is moved up and down.
Connected so as to be rotatable in the same direction . Reference numeral 4 indicates the connecting portion.

Reference numeral c indicates a third frame portion. The third frame portion c is formed by fixing a connecting member 2c between a pair of frame members 1c, 1c arranged side by side on a horizontal plane. I have. The connection of the connecting member 2c is made up of the first and second
Unlike the connection of the connecting members 2a, 2b of the frame portions a, b, the connection is performed by welding or the like.

The frame member 1 of the second frame portion b
A pair of movable arms 5b, 5b is provided on the other end side of b, 1b, that is, on the side opposite to the connecting portion 4 so as to be capable of turning in the horizontal direction . Reference numeral 6b indicates a turning portion. In addition, the third
A pair of movable arms 5c, 5c is also provided on one end side of the frame members 1c, 1c of the frame part c so as to be capable of turning in the horizontal direction, and reference numeral 6c indicates a turning portion. These movable arms 5b, 5b and 5c,
5c are opposed to each other, and the opposed distal ends are pivotally connected around an axis parallel to the above-mentioned swiveling part , that is, are connected to be rotatable in the horizontal direction . Thus, the second frame part b and the third frame part connecting the c. Reference numeral 7 indicates this connecting portion .
This is the pivot point.

Reference numeral 8 denotes a movable cross member, which has longitudinal grooves 9 at both ends thereof.
The connecting portion 7 is engaged with the long grooves 9.

The operation of the flexible cable rack according to the present invention in the above configuration will be described with reference to FIGS.
1 will be described with reference to a perspective view. First, as described above, the first and second frame portions a and b are each
a, 1a; 1b, 1b are rotatable in the vertical direction in the connecting portion 4, so that the first frame portion a is moved upward with respect to the second frame portion b as shown in FIG. It can be refracted or refracted downward as shown in FIG.

A pair of frame members 1a, 1a; 1 constituting these first and second frame portions a, b
The connecting members 2a and 2b connecting between the first and second frame members 1a and 1b can freely swing at the pin connecting portions 3a and 3b at both ends, respectively.
a; 1b, 1b, and second and third frame portions a, b
Can be twisted as shown in FIG.

Next, between the second and third frame portions b and c, protruding members are respectively provided so as to be pivotable in the horizontal direction, and the opposed movable arms 5b and 5b; 5c and 5c are rotated in the horizontal direction. As possible, these connected movable arms 5
b, 5c; angles of 5b, 5c can be changed. Therefore, as shown in FIG. 7, the length L1 of the cable rack including the first, second, and third frame portions a, b, and c in a state where both angles are reduced as shown in FIG. Furthermore, the length of the cable rack is shorter than the length L2 of the cable rack in a state where both angles are increased, that is, L1 <L2, so that the length of the cable rack can be expanded and contracted.

The movable arms 5b, 5c; 5b,
The angle of 5c can be large on one side of the left and right sides and small on the other side, so that it can be bent in the horizontal direction to the side with a smaller angle. That is, in FIG. 9, the angle of the lower movable arm 5b, 5c in the figure is smaller than that of the upper side, so that the third frame part c is horizontal with respect to the first and second frame parts a, b. The upper part is bent downward in the figure. On the other hand, in FIG. 10, contrary to FIG. 9, the angles of the upper movable arms 5b and 5c in the figure are smaller than those in the lower side, so that the third frame part c is the first and second frame parts. It is bent upward on the horizontal plane with respect to a and b. This state is also shown in the perspective view shown in FIG.

The movable beam member 8 functions as a reinforcement for the connecting portion 7 in the above operation, and also functions as a cable mounting portion in this portion.

In the universal cable rack of the present invention having the above configuration, as shown in FIG. 12, the end sides of the frame members 1a, 1a; 1c, 1c of the first and third frame portions a, c are The cable rack can be constructed by being connected and fixed to another appropriate cable rack or a similar flexible cable rack frame member 11 via an appropriate fixing member 10.

As described above, the flexible cable rack of the present invention can be bent or twisted at an arbitrary angle by itself.
Since expansion and contraction in the horizontal plane and bending in the left-right direction are possible, not only this enables a wide range of bending connection in cable rack construction, but also subtle deformation in fitting.

Therefore, for example, it is not always necessary to push the order one way in the hanging work, and even if a dimensional error or an unexpected obstacle occurs at the time of abutment, it can be easily accommodated. And the like can be used very little.

[0026]

As described above, the cable rack of the present invention can be used for a wide range of bending connection in the construction of the cable rack by itself, so that it is not necessary to use various kinds of joints and the like as in the prior art. Therefore, management and construction can be performed very efficiently, and subtle deformation in the construction can be performed, and labor required for designing and studying the construction in the construction and construction can be greatly reduced. effective.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a flexible cable rack according to the present invention.

FIG. 2 is a plan view showing an embodiment of a flexible cable rack according to the present invention.

FIG. 3 is a longitudinal sectional view showing an embodiment of the universal cable rack of the present invention.

FIG. 4 is an explanatory diagram showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 5 is an explanatory diagram showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 6 is an explanatory view showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 7 is an explanatory diagram showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 8 is an explanatory diagram showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 9 is an explanatory diagram showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 10 is an explanatory diagram showing a simplified part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 11 is a perspective view showing a part of the operation of the embodiment of the flexible cable rack of the present invention.

FIG. 12 is a perspective view showing a construction example using the universal cable rack of the present invention.

FIG. 13 is a perspective view showing a construction example of a conventional cable rack.

[Explanation of symbols]

 a first frame part b second frame part c third frame part 1 frame member 2 connecting member 3 pin connecting part 4 connecting part 5 movable arm 6 turning part 7 connecting part 8 movable beam member 9 long groove 10 fixing member 11 Frame members of other cable racks

Continuation of the front page (56) References JP-A-62-185509 (JP, A) JP-A-52-88700 (JP, U) JP-A-56-15222 (JP, U) JP-A-3-39318 (JP) , U) Japanese Utility Model 60-600018 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) H02G 3/00-3/04

Claims (1)

(57) [Claims] 1. A connecting member is freely connected to a pair of frame members juxtaposed on a horizontal plane at both ends by pin connection.
First and second frame portions that are swingably connected to each other;
A third frame portion in which a connecting member is fixed between a pair of frame members juxtaposed on a horizontal plane ,
The second frame part moves one end side of each frame member up and down.
Are pivotally connected to the direction, the second at one end of the other side and the third frame portion of the frame portion of the frame member is pivotally movable arm forming the respective pairs in the horizontal direction The pair of movable arms are connected to each other so as to be rotatable in the horizontal direction to connect the second frame portion and the third frame portion, and to both ends of the movable cross member in the length direction. Delay
Forming a long groove that extends, and by engaging the pivot of the connecting portion of the movable arm so as to be movable in the long groove ,
A flexible cable rack supporting a movable cross member between the second and third frame portions.