JPH0359652B2 - - Google Patents

Description

Detailed Description of the Invention A. Purpose of the Invention (1) Industrial Field of Application The present invention is directed to a cross section of a pair of support frames extending parallel to each other, whose lower portions are connected by a bottom plate and whose upper portions are open.
The lid of the wiring duct includes a duct body formed in a letter shape and having a separator fixed to the bottom plate to partition the space between the receiving frames into a plurality of parts, and a lid that removably closes the upper part of the duct body; This invention relates to a structure for fixing a movable outlet to a wiring duct for fixing a movable outlet in which the outlet body is supported on a support frame and is switchable between a protruding state in which the outlet protrudes from the lid and a storage state in which the outlet body is housed in the duct body. .

(2) Prior Art Conventionally, such movable electrical outlets have generally been directly fixed to the lid with screw members or the like.

(3) Problems to be solved by the invention By the way, the position at which a movable outlet should be fixed may change depending on the movement of the electrical equipment to which the wiring is to be connected. It is desirable that the fixing and unfixing operations be easy, and conventional fixing structures cannot meet such demands.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a structure for fixing a movable outlet to a wiring duct, which facilitates the operation of attaching and detaching the movable outlet to the lid.

B. Structure of the Invention (1) Means for Solving the Problems According to the present invention, the lid of the wiring duct has an opening into which the supporting frame of the movable outlet can be fitted, which is located between the receiving frame and the separator or facing each other. The support frame is provided between a pair of separators, and is configured to be placed on the receiving frame and the separator, or on both separators. The screw member is rotatably supported with its tip located within the duct body, and elastically flexes between a state in which it engages with the receiving frame or separator from the bottom plate side and a state in which it releases the engaged state. A possible fixing member is fixed to the support frame,
A pressing plate that abuts the fixing member is screwed into the screw member.

(2) Effect When fixing the movable outlet to the wiring duct, place the support frame of the movable outlet on the receiving frame and separator, or both separators with the lid open, and fix it by rotating the screw member. Since the member engages with the receiving frame and the separator or both separators from below, and the movable outlet is fixed to the wiring duct, the fixing operation is simple and the removal operation is also as simple as the fixing operation.

(3) Embodiment An embodiment of the present invention will be described below with reference to the drawings. First, in FIGS. 1 and 2, a wiring duct 1 is disposed on a base 2 made of slab concrete, A floor panel 3 is supported and fixed on the base 2 at a height flush with the upper surface of the wiring duct 1. Furthermore, a carpet 4 is laid over the wiring duct 1 and the floor panel 3.

The wiring duct 1 consists of a duct main body 5 formed in a substantially U-shaped cross section with an open top, and a lid 6 that covers the top of the duct main body 5 so as to be openable and closable, and the height can be adjusted by a support bundle 7. is supported on the base 2.

Referring also to FIG. 3, the duct main body 5 is formed by connecting the lower parts of a pair of receiving frames 8 that extend parallel to each other with a bottom plate 9, and having a substantially U-shaped cross section that opens upward. be done. Each receiving frame 8 has a vertical outer panel portion 10
and an inner plate part 11 that is vertical inside the outer plate part 10,
A connecting plate part 12 that interconnects the lower portions of the outer plate part 10 and the inner plate part 11; and a support plate part 13 provided horizontally between the upper end of the inner plate part 11 and the inner surface of the middle part of the outer plate part 10. Equipped with. Also, the outer panel part 10
A support protrusion 14 for receiving the floor panel 3 is protrudingly provided on the outer surface of the floor panel. Furthermore, both sides of the bottom plate 9 overlap below the connecting plate part 12,
It is fixed to the receiving frame 8.

The support plate part 13 receives the lid 6 via a rubber receiving member 15, and a dovetail groove 16 is formed in the upper surface of the support plate part 13 over the entire length. On the other hand, the receiving member 15 is formed in a shape that can fit into the dovetail groove 16, thereby fixing the receiving member 15 on the support plate portion 13.

The support bundle 7 includes a bundle seat 19 fixed on the base 2 with an anchor bolt 18, and an adjustment bolt 2 whose lower end is supported by the bundle seat 19 so as to be rotatable around a vertical axis.
0 and the adjustment bolt 20 to receive the duct body 5.
and a nut 21 which is screwed together so that it can move forward and backward.
That is, the bundle seat 19 is constructed by fixing a pair of upper and lower plates to each other, and a locking portion 22 provided at the lower end of an adjustment bolt 20 is engaged and held between the two plates so as to be rotatable around the vertical axis. Ru.

Such support bundles 7 are fixed on the base 2 at a plurality of corresponding positions at intervals in the longitudinal direction of the duct body 5 so as to support both lower surfaces of the duct body 5. In addition, the bottom plate 9 is located at a position corresponding to each support bundle 7.
A support board 27 is fixed to the lower surface of the support board 27, and this support board 27 is supported by a nut 21. Furthermore, the support substrate 27, the bottom plate 9, and the connecting plate part 12,
An insertion hole 24 for inserting the adjustment bolt 20 is formed, and an adjustment hole 28 for rotating the adjustment bolt 20 is formed in the support plate portion 13 and the receiving member 15.

The lid 6 is formed in a rectangular shape, is placed on the receiving member 15 on the support plate part 13 of both the receiving frames 8, is fitted to the upper part of the duct body 5, and has a plurality of screw members 30 screwed into the support plate part 13. Duct body 5
It is removably fixed to. Moreover, in the fixed state, the upper surface of the lid 6 is flush with the upper surfaces of both receiving frames 8.

The bottom plate 9 has three separators 32, 33, 34 extending upward at intervals in the width direction.
is fixed throughout the entire length. A power line connection line 35 is defined between the separator 32 and one of the receiving frames 8, a power line passage line 36 for accommodating the power line is defined between the separators 32 and 33, and the separator 33, A signal line passageway 37 for accommodating a telephone line, for example, is defined between the separator 34 and the other receiving frame 8, and a signal line connection line 38 is defined between the separator 34 and the other receiving frame 8. The power line connection line 35 and the signal line connection line 38 are for connecting and taking out the power line and the signal line. A hole 41 is provided for transmitting and receiving a power line and a signal line between the line passage line 37 and the signal line connection line 38.
A blind protective rubber 42 is fitted in the . Furthermore, when the protective rubber 42 is cut out and the power line and signal line are inserted through it, the protective rubber 42 comes into close contact with the power line and the signal line.

Each of the separators 32, 33, and 34 is set at a height that creates a gap between the separators 32, 33, and the lid 6 in consideration of dimensional tolerances. 33, 34 to prevent the collision sound from being emitted.
A buffer member 40 made of an elastic material is attached to the upper ends of 2, 33, and 34.

Referring again to FIG. 2, the floor panel 3 is placed and fixed on a plurality of joists 43 horizontally arranged above the base 2 at intervals, and each joist 43 is supported in a height-adjustable manner by a plurality of joist support bundles 44 fixed on the base 2.

A movable outlet 45 is fixed to the wiring duct 1 in correspondence with the power line connection line 35.

In FIGS. 4, 5, and 6, the movable outlet 45 is attached to the support frame 46 with the outlet body 4
7 is supported, and a rectangular opening 48 into which a support frame 46 is fitted is bored in the lid 6. Support frame 4
6 is basically formed into a rectangular bottomed cylinder shape to fit into the opening 48, and on both sides of the opening end, a flange 49 placed on the receiving frame 8 and the separator 32 extends around the entire circumference. It is installed integrally over the entire area. A sealing member 51 for receiving the lower surface of the lid 6 is attached to the upper surface of the flange 49.

A protrusion 46a that protrudes upward from the opening 48 is provided on the closed end of the support frame 46, and the outlet main body 4 is located at the center of the protrusion 46a.
A rectangular storage hole 52 corresponding to No. 7 is bored, and the support frame 46 is attached to the wiring duct 1 with the storage hole 52 opened upward at a position slightly above the top surface of the lid 6.

Storage holes 5 are provided along the longitudinal direction of the support frame 46.
On both sides of the support frame 46, a fixing member 5 is provided on the lower surface of the support frame 46.
3 are provided respectively. The fixing member 53 is made of elastic metal and is fixed to the receiving frame 8 and the separator 3.
It is formed into a trapezoidal shape in a plane perpendicular to the longitudinal direction of 2, and its upper part is fixed to a support frame 46.
Furthermore, the fixing member 53 is provided with a pair of arms 54 and 55 on the left and right sides that are inclined downward toward the receiving frame 8 and separator 32 side.

On the other hand, a locking groove 57 is provided on the inner surface of the inner plate portion 11 of the receiving frame 8 in order to lock the tip of the arm 54, and the top of the separator 32 is bent toward the receiving frame 8 to lock the tip of the arm 55. A bent locking portion 58 is provided that can be locked.

A vertically extending insertion hole 59 is formed in the portion of the support frame 46 that is flush with the lid 6 and in each of the fixing members 53, and a tapered receiving portion 60 is provided in the upper part of the insertion hole 59. . A screw member 61 having a saucer-shaped head 61a as an operation part that is received by a receiving part 60 is rotatably inserted into the insertion hole 59, and the arm 54 of the fixing member 53 is inserted in the middle of this screw member 61. , 55 abutting the press plate 6
2 are screwed together.

The pressing plate 62 is resiliently abutted by the fixing member 53, thereby preventing the screw member 61 from rotating around its axis. Therefore, the screw member 61
The pressing plate 62 moves in the axial direction of the screw member 61 in response to the rotation operation, thereby bending the arms 54 and 55 of the fixing member 53.

That is, in a natural state where no external force is applied, the arms 54 and 55 of the fixing member 53 are at the lowest position as shown by the solid line in FIG.
55 is in a position where it does not engage with the locking groove 57 and the bent locking portion 58. However, when the screw member 61 is rotated to move the pressing plate 62 upward, the arms 54 and 55 are bent upward by the pressing plate 62, and the tips of the arms 54 and 55 are bent as shown by the chain lines in FIG. The locking groove 57 and the bent locking portion 58 are engaged with each other. Thereby, the support frame 46 is fixed to the wiring duct 1.

A retaining ring 64 is fitted to the lower end of the screw member 61, and this retaining ring 64 prevents the pressing plate 62 from falling off from the screw member 61.

A receiving flange 65 is provided on the upper edge of the opening edge of the storage hole 52 over the entire circumference.
5 is integrally provided with a flange portion 67 that can come into contact with it via a seal member 66.

The outlet main body 47 is in a stored state in which the flange part 67 is received by the collar 65 and stored in the duct main body 5, and in a stored state in which the plug socket 68 (see FIG. 1) provided on the outer surface is placed upward from the storage hole 52. It is supported by the support frame 46 in such a manner that it can be switched between a protruding state in which it protrudes outward. That is, the outlet main body 4
One end of a rotating arm 69 is fixed to the lower part of 7, and the other end of this rotating arm 69 is connected to a horizontal support shaft 7.
It is supported by the support frame 46 via 0.

A support arm 72 for connecting a terminal block 71 for connecting a power line in the power line connection line 35 to the support frame 46 is fixed to the support frame 46, and a support shaft 70 is attached to this support arm 72. Supported. Moreover, one end of the torsion spring 73 surrounding the support shaft 70 is attached to the support frame 4.
6, and the other end of the torsion spring 73 is engaged with one end of the rotating arm 69, and the spring force of this torsion spring 73 biases the rotating arm 69, that is, the outlet main body 47, to rotate in the projecting direction. be done.

An engagement groove 74 is provided in the upper part of the side surface of the outlet body 47 where the plug insertion port 68 is provided, and a stopper 75 that can engage with the engagement groove 74 when the outlet body 47 is in the stored state. is rotatably supported by the support frame 46 between a state in which it engages with the engagement groove 74 and a state in which it releases the engagement state. Furthermore, the stopper 75 can also come into contact with a regulating surface 76 provided at the lower part of the outlet main body 47 in the protruding state, and can fix the position of the outlet main body 47 in the stored state or in the protruding state.

The stopper 75 is attached to a rotation shaft 78 rotatably supported by the support frame 46 with an operating groove 77 (see FIG. 1) exposed on the upper surface of the support frame 46. A spring 79 interposed between the support frame 78 and the support frame 46 biases the rotation shaft 78 to rotate in the direction in which the stopper 75 engages with the engagement groove 74 or in the direction in which the stopper 75 abuts against the restriction surface 76. be done.

A cover 80 is attached to the protrusion 46a of the support frame 46 that protrudes from the lid 6. This cover 80
covers the protrusion 46a of the support frame 46 except for the portion where the storage hole 52 and the rotation shaft 78 are disposed, and is removably attached to the support frame 46. Moreover, the cover 80 protrudes outward from the protrusion of the support frame 46, and a gap is formed between the outer edge of the cover 80 and the lid 6 to sandwich the carpet 4 therebetween.

By the way, it is desirable that the movable outlet 45 be placed near the electrical equipment to which the power line is to be connected, and since the electrical equipment may be moved, the movable outlet 45 should be able to be attached to the wiring duct 1 at multiple positions. is desired. Therefore, an opening 48 is pre-drilled in the lid 6 at an appropriate position, and when the movable outlet 45 is not attached, the opening 48 is closed with a blind lid 85 as shown in FIG. Moreover, the blind cover 85 can be easily attached to and detached from the wiring duct 1.

8, 9, and 10, the blind lid 85 includes a rectangular cylindrical portion 86 that can fit into the opening 48, and a closing plate 8 that closes one end of the cylindrical portion 86.
7, and a flange portion 88 extending outward from the other end of the cylindrical portion 86. Moreover, the flange portion 88 can come into contact with the upper part of the receiving frame 8 and the separator 32,
When attached to the wiring duct 1, the closing plate 87 is attached to the lid 6.
be flush with the top surface.

A tapered receiving hole 8 is provided in the center of the closing plate 87.
A reinforcing plate 90 having a recessed center portion corresponding to the receiving hole 89 is fixed to the lower surface of the closing plate 87 . In addition, a receiving frame 8 is provided at the center of the reinforcing plate 90.
A fixing member 91 formed in a trapezoidal shape with a plane perpendicular to the longitudinal direction of the separator 32 is fixed to the fixing member 91.
Arms 92 and 93 are provided that extend downward toward the sides, and the tips of each arm 92 and 93 can be engaged with the locking groove 57 and the bent locking portion 58. Further, a screw member 95 with a dish-shaped head 95a facing upward as an operating portion is rotatably received in the receiving hole 89, and a press plate 96 is screwed into the middle of this screw member 95. Moreover, each of the arms 9 is attached to the press plate 96.
2 and 93 resiliently abut, and the pressing plate 96 moves in the axial direction of the screw member 95 in response to the rotation of the screw member 95, thereby bending each arm 92 and 93. Further, a retaining ring 98 is fitted to the screw member 95 in order to prevent the press plate 96 from falling off from the screw member 95 .

That is, the blind plate 85 is attached to the wiring duct 1 in the same manner as the movable outlet 45. Furthermore, the blind lid 85 is covered by the carpet 4 in the installed state.

Next, to explain the operation of this embodiment, when fixing the movable outlet 45 to the wiring duct 1, the flange 49 of the movable outlet 45 is placed on the receiving frame 8 and the separator 32 with the lid 6 removed.
Put on. At this time, the press plate 62 is at the lowest position,
The arms 54 and 55 have a locking groove 57 and a bent locking portion 58.
does not engage. Next, by rotating the screw member 61 and moving the pressing plate 62 upward, the arms 54 and 55 of the fixed member 53 are bent upward, and the tips of the arms 54 and 55 are connected to the locking groove 57 and the bending engagement. They engage with the stop portions 58, respectively. This results in
The movable outlet 45 is fixed to the wiring duct 1 by holding the receiving frame 8 between the flange 49 and the arms 54, and by holding the separator 32 between the flange 49 and the arms 55. Thereafter, the lid 6 is attached to the duct body 5. Moreover, since the dish-shaped head 61a of the screw member 61 is disposed facing the upper surface of the support frame 46, the fixing operation is possible even when the duct body 5 is covered with the lid 6. That is, when the lid 6 is removed, the opening 48 of the lid 6 and the movable outlet 4
Although it is difficult to make delicate positional adjustments as shown in FIG.

Furthermore, when removing the movable outlet 45, the screw member 61 may be rotated in the opposite direction to that when it is fixed, and the movable outlet 45 can be easily removed in the same manner as the fixing operation.

A cover 80 is attached to the protrusion 46a of the support frame 46 with the support frame 46 of the movable outlet 45 attached to the wiring duct 1.
Since the carpet 4 can be sandwiched between the support frame 46 and the lid 6, the carpet 4 can be placed between the protrusion 4 of the support frame 46
When making a notch corresponding to 6a, since the notch edge is covered with the cover 80, accurate notch work is not necessary, and the notch work can be made easier.

When the movable outlet 45 is not attached to the opening 48, the opening 48 is closed by a blind cover 85, but this blind cover 85 is attached to the wiring duct 1 in the same manner as the movable outlet 45, and the attachment/detachment operation is movable. It is easy like the outlet 45. Moreover, since the blind lid 85 is covered with the carpet 4, the aesthetic appearance is not spoiled.

In the above embodiment, the movable outlet 45 and the blind cover 85 were attached to the wiring duct 1 at the position corresponding to the power line connection line 35, but the signal line connection line 38
It may also be attached to the wiring duct 1 at a portion corresponding to.

C. Effects of the Invention As described above, according to the present invention, the opening in the lid of the wiring duct into which the support frame of the movable outlet can be fitted corresponds between the receiving frame and the separator or between a pair of separators facing each other. established as
The support frame configured to be placed on the receiving frame and the separator, or both separators, has a screw member with the operation part facing the part exposed outward from the lid of the support frame, and the tip thereof is located inside the duct body. A fixing member is fixed to the support frame and can be elastically bent between a state in which it engages with the support frame or separator from the bottom plate side and a state in which it releases the engagement state, and is fixed to the support frame and Since the pressing plate that abuts the fixing member is screwed onto the member, it is possible to extremely easily fix or detach the movable outlet from the wiring duct by rotating the screw member.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which FIG. 1 is a partially cutaway overall perspective view, FIG. 2 is an enlarged sectional view taken along the - line in FIG. 1, and FIG. 4 is an enlarged sectional view taken along the - line in Fig. 1, Fig. 5 is an enlarged sectional view taken along the - line in Fig. 4, Fig. 6 is a sectional view taken along the - line in Fig. 4, and Fig. 7 is a wiring duct. FIG. 8 is a plan view of the blind lid, FIG. 9 is a cross-sectional view taken along the - line in FIG. 8, and FIG. 10 is a partially cutaway perspective view corresponding to FIG. Figure -
FIG. 1...Wiring duct, 5...Duct body, 6...
Lid, 8... Receiving frame, 9... Bottom plate, 32, 33, 34
... Separator, 45 ... Movable outlet, 46
...Support frame, 47...Outlet body, 48...
opening, 53... fixed member, 54, 55... arm,
61...screw member, 61a...head serving as an operating section.

Claims (1)

[Claims] 1 The lower parts of a pair of receiving frames extending parallel to each other are connected by a bottom plate to form a substantially U-shaped cross section with an open upper part, and a separator is fixed to the bottom plate to divide the space between both receiving frames into a plurality of sections. The lid of the wiring duct, which is composed of a duct body and a lid that removably closes the upper part of the duct body, is supported in a manner that allows switching between a protruding state in which the wiring duct projects from the lid and a storage state in which the wiring duct is stored in the duct body. In a structure for fixing a movable outlet to a wiring duct for fixing a movable outlet in which the outlet main body is supported by a frame, the lid of the wiring duct has an opening into which the support frame of the movable outlet can be fitted, and the support frame and A support frame provided between separators or between a pair of separators facing each other and configured to be placed on a receiving frame and a separator or both separators has a portion exposed outwardly from the lid of the support frame. A screw member with an operating portion facing is rotatably supported with its tip positioned inside the duct body, and the screw member has a state in which it is engaged with the receiving frame or separator from the bottom plate side and a state in which it is released from the engaged state. A structure for fixing a movable outlet to a wiring duct, characterized in that an elastically bendable fixing member is fixed to a support frame, and a pressing plate that abuts the fixing member is screwed into the screw member.