JPH0245410B2 - - Google Patents

Description

[Detailed Description of the Invention] A. Object of the Invention (1) Industrial Application Field The present invention comprises an outlet main body having a plug socket, which is supported by a support frame in a manner that allows switching between a protruding state and a retracted state. Regarding movable outlets.

(2) Conventional technology Conventionally, in such a movable outlet, the outlet body is rotatably supported on a support frame, and the outlet body is generally biased to rotate in the direction of protrusion by a spring. .

(3) Problems to be Solved by the Invention However, in the above-mentioned conventional device, the outlet body is rotated between the retracted state and the protruded state, so the overall size inevitably increases, and as a result, it becomes difficult to store the receptacle. The space becomes larger. Furthermore, since the outlet body is rotated by a spring, failures are likely to occur, especially when used on the floor.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a movable outlet that is downsized and less prone to failure.

B. Structure of the Invention (1) Means for Solving the Problems According to the present invention, the outlet main body is formed in a rectangular box shape with a plug socket on one side, and the support frame has a support frame that corresponds to the outlet main body. A pair of guide members are fixed to the outlet and extend inward in a straight line, and the inner ends of the two side surfaces perpendicular to the one side of the outlet main body are provided with an outlet. , rollers that can rotate freely around axes perpendicular to the side surfaces and roll within the guide member are respectively supported, and the inner end of the remaining side surface of the outlet main body has a 90-degree angle between the side surface and the roller.
a support surface inclined inwardly at an angle of more than 100 degrees;
A notch is provided that is convexly curved outward from the inner end of the support surface and consists of an arc-shaped guide surface that projects outward, and a cut portion that abuts the guide surface is provided near the edge of the outlet opening of the support frame. A guide piece is fixed to the guide member, and a spring is provided at the inner end of the guide member to exert an outward spring force by contacting the inner end of the outlet main body in the retracted state. and a stopper that can be engaged with the protruding outlet main body, respectively, is supported so as to be switchable between engagement and disengagement.

(2) Effect When the retracted outlet body is disengaged from the stopper, the outlet body slightly pops out from the outlet due to the spring force. Therefore, when you grab the outlet body and pull it out along the guide member, the guide piece comes into contact with the guide surface, and the outlet body rotates to a position with the plug socket facing diagonally upward. ,
By engaging the stopper with the outlet body, the protruding state of the outlet body can be maintained.

(3) Embodiment Hereinafter, an embodiment in which the present invention is applied to a floor wiring device will be explained with reference to the drawings.
In the figure, a base 1 for the floor of a building is formed of slab concrete, and a wiring duct 2 is laid on this base 1 along a preset wiring route. Inside this wiring duct 2,
A power supply line 3 and a plurality of signal lines (not shown) are accommodated. Further, cinder 4 is filled on the base 1 so as to fill in the spaces between the wiring ducts 2, and thereby the wiring ducts 2 are buried in the concrete floor.

The wiring duct 2 consists of a substantially U-shaped duct body 5 with an open top, and a lid 6 that covers the top of the duct body 5 so as to be openable and closable. It is formed by connecting the lower parts of the receiving frame 7 with a bottom plate 8. Moreover, the duct body 5
is supported on the base 1 with its height adjustable by a support bundle (not shown) disposed on the outside of each receiving frame 7.

Flange portions 9 protruding toward each other are integrally provided on the upper inner surface of each receiving frame 7, and a groove 10 is bored in the upper surface of these flanges 9 over the entire length. be done. Further, a rubber receiving member 11 is fitted onto the upper surface of the flange portion 9 in parallel with the groove 10.
This receiving member 11 protrudes above the upper surface of the collar portion 9, and the lid 6 is placed on the receiving member 11 and can be attached to and detached from the receiving frame 7 by a plurality of screw members 12 screwed into the grooves 10. be combined.

Furthermore, a width determining plate 13 is provided between each lid 6 and between both receiving frames 7. This width determining plate 13
This prevents both receiving frames 7 from falling inward due to the cinder 4 when filling the area around the duct body 5 placed on the base 1 with cinder 4, and also prevents the lid 6 from being attached to the duct body 5. When installed,
It has the function of electrically connecting the lids 7 to each other and preventing dust from entering the duct body 5 from between the lids 6.

The bottom plate 8 is provided with a plurality of separators 14a, 1 protruding upward at positions spaced apart from each other in the width direction.
4b, 14c... are fixedly installed over the entire length.
An auxiliary line 15 is defined between one receiving frame 7 and the separator 14a, and the separators 14a, 14b
A power supply line passageway 16 is defined between them, and signal line passageways 17a, 17b . . . are defined between the remaining separators 14b, 14c, respectively. The power line 3 is housed in the power line passageway 16, and the signal line is housed in each of the signal line passageways 17a, 17b, . . . .

The auxiliary line 15 is for connecting and taking out the power line 3, and the separator 14a has the power line 3 between the power line passing line 16 and the auxiliary line 15.
A hole 18 is provided for receiving and receiving.

In the auxiliary line 15, the movable outlet 1 is connected between the separator 14a and the receiving frame 7.
9 is removably attached, and the lid 6 is provided with an opening 20 corresponding to the movable outlet 19.

Referring to FIGS. 2, 3, and 4, the movable outlet 19 includes a pair of outlet bodies 22, 22 symmetrically arranged on a support frame 21.

The support frame 21 includes the collar portion 9 and the separator 14a.
It is basically formed into a rectangular bottomed cylinder shape with a width that allows it to fit between the two, and a flange portion 23 that can come into contact with the upper surfaces of the flange portion 9 and the separator 14a is provided on the side of the flange portion 23 around the entire circumference. It is installed protrudingly throughout the area. A rubber seal member 24 for receiving the lower surface of the lid 6 is attached to the upper surface of the flange portion 23.

On the other hand, a bent portion 25 bent toward the auxiliary line 15 is provided at the upper part of the separator 14a.
The lower edge of this bent portion 25 is set to be the same as the lower surface of the collar portion 9. In addition, mounting flanges 26 are protruded from the sides of both ends of the support frame 21 in the longitudinal direction below the flange portion 23 by a distance slightly smaller than the thickness of the flanged portion 9.
6, an engagement plate 27 whose both ends abut against the lower surface of the collar portion 9 and the lower edge of the bent portion 25 is fixed by a screw member 28. Therefore, by tightening the screw member 28, the support frame 21 is fixed to the duct body 5 so that the flange portion 23 and the engagement plate 27 compress the flange portion 9 and the bent portion 25 of the separator 14a.

A pair of outlet ports 29 are provided at the closed end or upper portion of the support frame 21 at intervals in the longitudinal direction.
These outlet ports 29 are formed into a square shape corresponding to the outlet main body 22, and a rubber seal member 30 is adhered to the upper surface of the opening edge, respectively. These seal members 30 receive an abutment flange 31 provided at the upper end of the outlet main body 22 when the outlet main body 22 is stored.

A total of four guide members 32 are fixed to both sides of the support frame 21, one on each side of each outlet 29. These guide members 32 are formed in a substantially U-shaped cross section and open inward.
They extend downward and are fixed to the support frame 21, respectively.

The outlet main body 22 is formed in a rectangular box shape corresponding to the outlet 29, and one side 22a thereof
A plug insertion port 33 is provided in the. Its side 22
Rollers 34 are rotatably supported at the lower portions of the two side surfaces 22b, 22c perpendicular to the side surfaces 22b, 22c, respectively, so as to be rotatable around axes perpendicular to the side surfaces 22b, 22c. , are fitted so as to roll up and down.

At the lower part of the remaining side surface 22d of the outlet main body 22, there is a support surface 35 that is inclined inward at an angle of 90 degrees or more with the side surface 22d, and the support surface 35
A notch 37 is provided that is convexly curved outward from the inner end of the support frame 21 and includes an arcuate guide surface 36 that protrudes beyond the side surface 22d. A guide piece 44 that can come into contact with is fixed. Furthermore, plug insertion port 33
At the lower end of the side surface 22a provided with the support surface 35
A regulating plate 38 that protrudes on the extension line is fixed.

A leaf spring 39 serving as a spring that comes into contact with the lower end of the outlet main body 22 is provided at the inner end, that is, the lower end of each guide member 32 . These leaf springs 39 are attached to the outlet body 22 in a state where the outlet body 22 is stored in the support frame 21 with the contact flange 31 at the upper end of the outlet body 22 in contact with the sealing member 30.
The guide member 32 is provided with a spring force that urges the guide member 32 upward, that is, in the protrusion direction.

An engagement groove 40 is provided in the upper part of the side surface 22a of the outlet main body 22, and a stopper 41 that can be engaged with the engagement groove 40 when the outlet main body 22 is stored in the support frame 21 is provided with an engagement groove 40. It is supported on the upper part of the support frame 21 so as to be rotatable between a state in which it engages with the mating groove 40 and a state in which the engagement is released. The stopper 41 also has an operating portion 42 exposed on the upper surface of the support frame 21, and can be rotated from the outside by engaging a screwdriver or the like with the operating portion 42. Furthermore, the stopper 41 can also sandwich the regulating plate 38 between the upper part of the support frame 21 and the stopper 41 .

A connection terminal portion 43 for connecting the power line 3 and a contact terminal (not shown) built into the outlet main body 22 is connected to the auxiliary line 15 outside the support frame 21.
placed within.

Next, the operation of this embodiment will be explained with reference to FIG. 5. First, in FIG. At this time, since the leaf spring 39 is biased upward, the stopper 41 is engaged with the engagement groove 40 to restrict the upward protrusion of the outlet body 22 from the support frame 21, that is, the lid 6. do.

To project the outlet main body 22, the operating portion 42 is rotated to disengage the stopper 41 from the engagement groove 40, as shown in FIG. 5b. As a result, the spring force of the leaf spring 39 is exerted, and the outlet main body 22 springs upward, causing the upper end of the outlet main body 22 to protrude slightly upward.

Therefore, the contact flange 3 at the upper end of the outlet main body 22
1 and lift it upward, the outlet main body 22 will be attached to the guide member 3 as shown in FIG. 5c.
2 while rolling the rollers 34.

The notch 37 of the outlet body 22 is the outlet 2
When it rises to the position corresponding to 9, the guide surface 3
6, the outlet body 22 rotates as shown in FIG. 5d, and the support surface 35 is supported by the seal member 30.

In this state, the side surface 2 provided with the plug insertion port 38
2a faces diagonally upward, and the regulating plate 38
As shown in FIG. Posture is maintained.
In this position, the plug insertion port 38 faces diagonally upward, making it easier to insert the plug.

In this manner, with the outlet main body 22 projecting upward, connection to the power line 3 inside the duct main body 5 can be easily made. Moreover, when not making the connection, by performing the operation opposite to the above, the outlet main body 22 is attached to the support frame 21.
In other words, it can be stored inside the duct body 5.

In such a movable outlet 19, there is no need to provide a protrusion or a recess for lifting the outlet main body 22 on the upper surface thereof, so that it can have a smooth shape. Further, a seal member 24 is interposed between the lid 6 and the support frame 21,
Since the sealing member 30 is interposed between the outlet main body 22 and the support frame 21, it is possible to prevent water from entering into the duct main body 5. Furthermore, since the outlet main body 22 moves linearly when it is projected, the support frame 21 can be made smaller, and the installation space for the movable outlet 19 can be reduced.

In the above embodiment, the movable receptacle 19 is explained in which a pair of receptacle main bodies 22 are supported on the support frame 21, but a single receptacle main body 22 may be supported on the support frame 21.

C. Effects of the Invention As described above, according to the present invention, the outlet main body is made movable along the guide member, and the outlet main body is tilted by bringing the guide piece into contact with the guide surface while being pulled out along the guide member. Since the plug insertion port is oriented obliquely upward, the size of the support frame can be reduced, and the overall size can therefore be reduced. In addition, since the outlet body is biased by a spring so that it slightly protrudes from the outlet, there is no need to provide unevenness on the outer edge of the outlet body for gripping, and the outlet body has a flat shape. be able to.
Furthermore, as described above, the spring only has the function of slightly protruding the outlet body, so there is little risk of failure.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a partially cutaway perspective view of a floor wiring device, FIG. 2 is a plan view of a movable outlet, and FIG.
FIG. 4 is a sectional view taken along the line -- in FIG. 2, and FIG. 5 is a diagram illustrating the operation. 19...Movable outlet, 21...Support frame, 2
2... Outlet body, 22a to 22d... Side, 29... Outlet, 32... Guide member, 33
... Plug insertion port, 34 ... Roller, 35 ... Support surface, 36 ... Guide surface, 37 ... Notch, 39
... leaf spring as a spring, 41 ... stopper, 4
4...Information piece.

Claims (1)

[Claims] 1. A movable outlet in which an outlet main body having a plug socket is supported on a support frame so as to be switchable between a protruding state and a retracted state, wherein the main socket body has a rectangular box shape with a plug socket on one side. The supporting frame is provided with an outlet corresponding to the outlet main body, and a pair of guide members that are connected to the outlet and extend inward in a straight line are fixed to the support frame, and the one side surface of the outlet main body is A roller that can rotate freely around an axis perpendicular to the two side surfaces and roll within the guide member is pivotally supported at the inner end of the two side surfaces that are orthogonal to the inner end of the two side surfaces that are perpendicular to the outlet body. The end portion includes a support surface that slopes inward at an angle of 90 degrees or more with the side surface, and an arcuate guide that is convexly curved outward from the inner end of the support surface and protrudes outward. A notch consisting of a surface is provided, an inner piece that can abut the guide surface is fixed near the edge of the outlet opening of the support frame, and an inner end of the retracted outlet main body is fixed to the inner end of the guide member. A spring is provided which exerts an outward spring force in contact with the
1. A movable receptacle characterized in that a stopper capable of engaging with the retracted state and the protruded state of the receptacle main body is supported by the support frame so as to be switchable between engagement and disengagement.