JPS62147908A - Free access floor wiring system - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [Technical Field 1] The present invention relates to a wiring system for a free access 70a, and more particularly, to a wiring system for a free access 707 in which a floor panel is arranged on a foundation floor via a wiring space. It is.

[Background Technology J] In recent years, a large number of computers have been introduced into offices and LAN systems have been constructed. 1 that has existed for a long time! A large number of cables such as telephone lines are now being laid in offices, and so-called wiring flooding has become a problem.If a large number of cables are placed on the floor, there is a risk of them getting caught. This poses a safety issue, and if the office layout changes, the location of the electrical outlet may need to be changed to accommodate the location of computers and telephones, which may render traditional electrical outlets useless.

In order to solve these problems, a raised floor is being used in which a floor panel is placed above the foundation floor via a wiring space, and all cables are routed through the wiring space. Raised floors like this allow a lot of freedom in cable placement, but if you want to change the location of an outlet, you must first remove the cable from the outlet, move the outlet, and reconnect the cable to the outlet. It is necessary to tie the wires together, making installation difficult when changing the location of the outlet. In addition, there are multiple outlets on the raised floor, and it requires wiring to enter one outlet and sending wiring, making wiring connections even more labor-intensive.

[Object of the Invention] The present invention has been made in view of the above-mentioned points, and its main purpose is to eliminate the trouble of wiring when changing the arrangement of outlets7 17 −
The purpose is to provide an access floor wiring system.

[Disclosure of the Invention] (Structure) The present invention is characterized in that a support for supporting a plurality of locations of a floor panel of a predetermined module is placed on a foundation floor, and a wiring space for wiring a cable is formed between the floor panel and the foundation floor, It is a free access floor with outlets that are electrically connected to the cables at important points on the floor panel, and joint devices are installed at key points of the cables passing through the wiring space, and both joint devices are equipped with outlets. A receptacle is provided that is removably connected to a plug provided at the tip of a connecting wire drawn out into the wiring space, and the cable and the connecting wire are removably connected via the plug and the receptacle. That is.

(Example) As shown in FIG. 2, a plurality of supports 2 are arranged on a foundation floor 1, and a modular flat floor panel 3 is straddled over the plurality of supports 2. By being installed, a wiring space 5 was provided between the foundation floor 1 and the floor panel 3 7 1
7-The access floor is shaped like JL! be done. The support body 2 is formed into an R-shape and is arranged corresponding to the four corners of the floor panel 3. In the wiring space 5 between the foundation floor 1 and the floor panel 3, all parts other than the support 2 can be used as a passage for the cable 4. In other words, most of the lower side of the floor panel 3 can be used as a passage for the cables 4. A baseboard 7 is provided at a corner formed between the floor panel 3 and the wall surface 6. For cable 4, power supply a4a,
There is a signal line 4b and a telephone line 4e%, and different types of cables 4 are connected so that different types of cables 4 do not come into contact with each other.
A separator 8 is provided to allow the cables 4 to intersect with each other. Further, a telephone exchange 9 is provided at the receiving end of the telephone line 4c. Embedded floor outlets 10a1, ball-shaped outlets Job, etc. are provided at appropriate locations on the floor panel 3 as needed, and wall outlets 10c are provided on the wall surface 6.

A baseboard connector 10d is provided on the baseboard 7 as necessary. As shown in FIG. 1, connection wires 20 are drawn out from each outlet 10, and a plug 21 is connected to the tip of each connection @20. 10 outlets each
are each equipped with an outlet unit according to the type of the corresponding cable 4. That is, the outlet 10 may be provided with a single type of outlet unit or a combination of multiple types of outlet units. Here, as the supports 2, in addition to those arranged independently as described above, the supports 2 are arranged on monoylized sheets having a size corresponding to one floor panel 3, and are arranged at the four corners of the floor panel 3. It is also possible to use a support structure in which a plurality of support columns are integrally erected at each position, and in the support body 2 in which a plurality of support columns are connected together in this way, if the unit modules are sequentially arranged in the same way as the floor panel 3, it is possible to use a structure in which the support structure is free. The access floor can be easily configured.

Joints 11 as shown in FIG. 1 are interposed at key points of the cable 4. Although the joint device 11 for the power supply line 4a is illustrated here, the present invention is not limited to this, and the same configuration can be applied to other types of cables 4. The joint device 11 has a housing 12 fixed to a key point on the foundation floor 1, and has a receptacle 13 in the center of the upper surface of the housing 12. The joint device 411 is inserted at a key point of the power supply line 4a,
The incoming wiring 4ai and the outgoing wiring 4ao are connected in a straight line. The receptacle 13 has three
It has a shape in which three blade insertion holes 14 are provided, and a blade receiving spring (not shown) provided in this receptacle 13 is connected to a power line 4a1. l: Not electrically connected. In the plug blade insertion hole 14 of the receptacle 13, there is a plug blade 22 of the plug 21 pulled out from the embedded 70 mm outlet 10a.
are inserted removably, and the plug 21 has three plug blades 2 corresponding to the plug blade insertion holes 14 from the plug body 24.
2 is formed in a protruding shape. A locking piece 23 is provided at the tip of each blade 22 and extends along the circumferential direction of the receptacle 13 so as to be substantially orthogonal to the protruding direction of the blade 22, and the blade 22 is inserted into the blade insertion hole 14. By rotating the plug 21 around the pongee in the vertical direction, the locking piece 23
is engaged with the opening periphery of the plug insertion hole 14 to prevent the plug 21 from being removed.

The casing 30 of the recessed floor electrical outlet) 10a is
As shown in FIG. 4, the lower end is disposed within the floor panel 3 through an opening 3a bored at a predetermined position in the floor panel 3, and is extended from the periphery of the upper end. 31 is placed on the upper surface of the floor panel 3. As shown in FIG. 3, a door plate 33 that can be opened and closed vertically is pivotally attached to the upper surface of the casing 30. An outlet unit 34 is disposed on one side of the casing 30, and one side of the outlet unit 34 has a pair of insertion portions 35 into which the blade of the plug 40 connected to the appliance connection wire 41 is inserted. is provided. Further, a rotating shaft (not shown) is provided on both sides of the outlet unit 34, and the rotating shaft is connected to the inner wall surface of the casing 30 so that the insertion portion 35 faces the side and the upper direction. An outlet unit 34 is rotatably disposed between a position facing the front side and a position facing the front side.

A terminal portion (not shown) connected to the connection wire 20 is provided at the bottom inside the casing 30. A recess g36 is formed in the side wall of the casing 30 corresponding to the connection part of the terminal part, and the connection wire 20 is inserted into this recess 36 to connect its internal conductor to the connection part. The outlet unit 34 and the terminal portion are connected by a flexible lead wire so that the outlet unit 34 can rotate. A portion of the casing 30 excluding the outlet unit 34 and the terminal portion is a plug storage portion 37 in which the plug 40 is stored. Here, the power line 4a is used as the cable 4, but other types of cables 4
When using the cable 4, the outlet unit 34 and the terminal part are provided in accordance with Class 11 of the cable 4, and the two plug parts 35 provided in the Funcent unit 34 are not of the same type, but are of different types. may be used in combination. Three scissor fixing fittings are provided on both sides of the casing 30 and move upward as the mounting screws 38 are tightened, and as shown in FIG. By sandwiching the floor panel 3, the casing 30 can be fixed to the floor panel 3.

The door plate 33 that covers the opening on the top surface of the casing 30 has one end pivotally attached to one side edge on the outlet unit 34 side of the opening periphery of the casing 30, and a locking member 42 is provided on the other end. ing.

The lock member 42 includes a handle 44 arranged on the outer surface of the door plate 33 and rotatable around a rotating shaft 43 passing through the door plate 33, and a handle 44 arranged on the inner surface of the door plate 33 that allows rotation of the handle 44. By rotating the handle 44 with the door plate 33 closed, the lock plate 45 locks onto the lower surface of the 7-lunge 31 and locks the door plate 33. It is locked so that it cannot be opened. A stopper protrusion 46 is protruded on the inner surface of the door plate 33, and when the lock plate 45 and the 7-run 31 are released from each other, the stopper protrusion 46 comes into contact with the tip of the lock plate 45 to lock the door plate 33. The rotational position of the plate 45 is regulated. The handle 44 also functions as a knob when opening and closing the door plate 33. A pair of wire lead-out portions 50 are formed at the leading edge of the door plate 33 and protrude outward from the outer surface of the door plate 33. On the inside of the wire lead-out portion 50, a lead-out groove 51 is formed which has a bottom surface outside the outer surface of the door plate 33 by the diameter of the appliance connecting wire 41 and is open at the tip edge of the door plate 33. A pair of lead-out grooves 53 each surrounded by a pair of id drips 52 is formed in the runno 31 in correspondence with each wire lead-out part 50 .

Next, the outlet unit 3 of the floor outlet 10a
4 will be explained. First, the door plate 33 is opened and rotated so that the insertion part 35 of the outlet unit 34 faces upward. After the plug 40 is inserted in this state, the outlet unit 34 is rotated to the original position and the plug 40 is stored in the plug storage part 37 of the casing 30. In this way, by storing the plug 40 in the plug storage fi37, the plug 40
prevents it from jumping out from the floor. Next, as shown in FIG. 3, the appliance connecting wire 41 with the plug 40 connected to one of the insertion parts 35 is pulled out of the casing 30 through the pull-out groove 53 farther from the insertion part 35, and in that state. Close the door plate 33 as shown in FIG. By doing this, the appliance connection streetcar m41 is connected to the lead-out groove 5.
1 to the outside of the casing 30, and the fixture connection streetcar #141 is pulled out along the top surface of the floor panel 3. In addition, the appliance connecting wire 41 is passed through the lead-out groove 53 and the lead-out groove 51 into the casing 3.
Since the plug 40 is pulled out from 0, the tension of the appliance connecting wire 41 is stopped by the door plate 33.6.
Since it is stored in the casing 30 of the casing 30 and does not protrude from the floor surface, it fits well in appearance, and since only the appliance connection streetcar m41 is pulled out from the casing 30 along the upper surface of the floor panel 3, the floor The wiring on the surface is clear and the fixtures can be connected to the streetcar #! This also reduces the risk of getting the 41 caught on your leg.

[Effects of the Invention] As described above, the present invention includes joint devices interposed at key points of the cable passing through the wiring space, and both joint devices are provided at the tips of the connecting wires drawn out from the cable into the wiring space. A receptacle is provided that is removably connected to the plug, and the cable and connection line are removably connected through the plug and receptacle, so when changing the location of the outlet, the connection pulled out from the outlet Wiring connections can be easily changed by simply attaching and detaching the plug provided at the end of the wire and the joint receptacle, and has the advantage of eliminating the hassle of wiring when changing the location of the outlet. It is. In particular, joint devices are installed at important points in the cable, and the feed wiring has been pre-wired, so there is no need to run the feed wiring from the outlet, unlike conventional cables. This has the advantage that it does not take much effort to reconnect the feed wiring when changing the location of the outlet, compared to the case where the outlet wiring is changed.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG. 2 is a schematic diagram showing an example of a free access floor according to the present invention.
3 is a perspective view showing an example of an embedded type 70 outlet used in the above, and FIG. 4 is a sectional view showing the installed state of the embedded type 70 outlet. 1 is a foundation floor, 2 is a support body, 3 is a floor panel, 4 is a cable, 5 is a wiring space, 10 is an outlet, 11 is a joint device, 13 is a receptacle, 20 is a connecting wire, and 21 is a plug.

Claims (1)

[Claims] (1) A support that supports multiple locations on the floor panel of a given module is placed on the foundation floor, and a wiring space for wiring cables is formed between the floor panel and the foundation floor. It is a raised floor with electrical outlets installed, and joint devices are installed at key points of the cables passing through the wiring space, and the joint devices are used to connect the connection wires drawn out from the outlets into the wiring space. A wiring system for a raised floor, characterized in that a receptacle is provided which is detachably connected to a plug provided at the tip, and a cable and a connecting line are detachably connected via the plug and the receptacle.