JPH0591619A - Plug socket for floor - Google Patents

Abstract

PURPOSE:To provide a floor plug socket which can prevent the disconnection of a connection wire to be connected to a main body of the plug socket or other troubles. CONSTITUTION:This device has a bottom plate 1 which secures a terminal stand 15 and which is installed in a floor hole, a spring 2 whose lower end is supported by the bottom plate 1, a main body of a plug socket 3 which, being supported on the upper end of the spring 2, projects from the floor hole and which has a flexible lead 6 to be connected to the terminal stand 15, and a fitting device 4 which fixes the plug socket main body 3 removably in the condition that it projects from the floor hole and in the condition that it is stored in the floor hole against the spring.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor outlet which is stored in a floor when it is not used and projects on the floor when it is used.

[0002]

2. Description of the Related Art A conventional example (for example, JP-B-49-25036) is shown in FIGS. That is, this floor outlet is provided with a bottom plate 81 arranged inside the floor hole 88, a spring 82 exemplifying a compression coil spring whose lower end is supported by the bottom plate 81, and an upper end of the spring 82. Supported floor hole 8
8, a socket main body 84 which is connected to the connection electric wire 83 and a spring means 82 elastically deforms to lock the consen main body 84 in the floor hole 88 in a detachable manner (not shown). It has and. 80 is a wire insertion part, 85
Is a floor, 86 is a box cover, and 87 is a box for wiring the connecting electric wire 83.

[0003]

However, in this conventional example, since the connecting electric wire 83 is a single-line IV electric wire used for indoor wiring, the connecting electric wire is moved by the vertical movement and the rotating operation accompanying the insertion / removal of the outlet main body 84. There is a risk that the connecting portion of 83 may be loosened or the connecting electric wire itself may be broken, causing a serious electric accident.

Therefore, an object of the present invention is to provide a floor outlet capable of preventing disconnection of a connecting electric wire connected to an outlet main body.

[0005]

A floor outlet according to the present invention comprises a bottom plate fixed to a terminal block and disposed inside a floor hole.
A spring having a lower end supported by the bottom plate; an outlet main body having a flexible lead wire supported by the upper end of the spring and protruding from the floor hole and connected to the terminal block; And a locking means for locking the state where the main body of the concentrator is projected from the floor hole and the state where it is housed in the floor hole against the spring.

[0006]

According to the structure of the present invention, when the locking means is unlocked, the outlet main body projects from the floor hole due to the restoring action of the spring, and the outlet body is pushed to elastically deform the spring to lock the locking means. The main body is stored in the floor hole. In this case, since the terminal block is fixed to the bottom plate and the terminal block and the outlet main body are connected by the flexible lead wire, the lead wire can follow the operation of the outlet main body, so the lead wire is disconnected or connected. Since the connecting wire is fixed to the terminal block and the operation of the outlet body is not transmitted to the connecting wire, it is possible to prevent serious electrical accidents such as disconnection of the connecting wire and loosening of the connecting part. ..

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. That is, this floor outlet is the bottom plate 1
The compression coil spring 2, the outlet main body 3, and the locking means 4. The bottom plate 1 fixes the terminal block 15 and is arranged inside a floor hole (not shown). In the embodiment, the plate 7 is provided on the floor surface, and the cylindrical portion 11 that protrudes from the plate 7 and fits into the floor hole is provided. The plate 7 is provided with the plate fixing screw 9. It is fixed to. The bottom plate 1 has a substantially disc shape having a lead wire insertion portion 5 in the center, and is fixed to the lower end of the tubular portion 11 by a bottom plate fixing screw 10. Further, a mounting portion 17 penetrating the lead wire insertion portion 5 of the bottom plate 1 and penetrating the side portion of the terminal block 15 is fixed by a terminal block fixing screw 16. Further, as shown in FIG. 6, the cover 14 of the box 13 under the floor is fitted to the tubular portion 11.

The lower end of the bottom plate 1 is supported by the spring 2.
The embodiment is a compression coil spring, which is fitted into and supported by the terminal block 15. The outlet body 3 is supported by the upper end of the spring 2 and projects from the floor hole.
Has a flexible lead wire 6 connected to. That is,
The outlet main body 3 is inserted between the main body portion 23 having a bottom portion 21 having the lead wire insertion portion 20 and a pair of side wall portions 22, and the side wall portion 22 of the main body portion 23 to connect the lead wire 6 to the lower end surface and to be plugged. It is composed of an outlet portion 24 having an insertion port 50 on its side surface, and a cover 26 which is attached to the upper surface of the side wall portion 22 by a cover fixing screw 25 to press and fix the outlet portion 24 and which can be locked to the inner peripheral edge 8 of the plate 7. ing. Then, the outlet main body 3 is slidably inserted into the cylindrical portion 11, a recess (not shown) on the lower surface of the main body portion 23 engages with the upper end portion of the compression coil spring 2, and the outlet main body 3 is removed from the cylindrical portion 11. Bottom 2 when protruding
The peripheral edge of 1 is locked to the inner peripheral edge 8 of the plate 7 so as not to be pulled out. As shown in FIG. 6, the connection electric wire 51 wired from the box 13 is the terminal block 15
It is connected to the.

The locking means 4 releasably locks the state where the main body 3 of the concentrator is projected from the floor hole and the state where it is housed in the floor hole against the spring 2. In the embodiment, the tubular portion 11
A guide groove 28 and stopper recesses 29, 30 formed in the axial direction of the inner surface of the socket, and a locking projection 52 of the outlet main body 3 slidably engaged with the guide groove 28 and locked by the stopper recesses 29, 30. The operation unit 27 is exemplified by a concave portion formed on the upper surface of the cover 26. That is, when the locking projection 52 is located in the guide groove 28, the outlet main body 3 can move in the axial direction, the spring 2 causes the outlet main body 3 to project from the cylindrical portion 11, and the peripheral portion of the bottom portion 21 of the main body portion 23 is the plate 7. When the locking projection 52 is positioned to face the stopper recess 29 while being locked to the inner peripheral edge 8, when the operating projection 27 is rotated to lock the locking projection 52 in the stopper recess 29, the outlet body 3 projects from the floor hole. In the state where the outlet main body 3 is pressed against the compression coil spring 2 and the cover 26 is locked to the inner peripheral edge 8 of the plate 7, the locking projection 52 faces the stopper recess 30 and the outlet main body 3 is held.
When is rotated, the locking projection 52 is locked in the stopper recess 30 and the outlet main body 3 is held in a state of being housed in the floor hole.

According to this embodiment, when the operating portion 27 is rotated to move the locking projection 52 of the locking means 4 from the stopper recess 30 to the guide groove 28, the compression coil spring 2 is extended and the outlet main body 3 is opened. When protruding from the floor hole and rotating the operating portion 27 to lock the locking projection 52 into the stopper recess 29, the outlet main body 3 is held in a projected state. In addition, the operation unit 27
Is rotated to move the locking projection 52 from the stopper recess 29 to the guide groove 28, press the outlet main body 3 to compress the compression coil spring 2 and lock the locking projection 52 in the stopper recess 30, so that the outlet main body 3 is in the floor hole. It is kept in the stored state.

In this case, the terminal block 15 is fixed to the bottom plate 1,
A flexible lead wire 6 is provided between the terminal block 15 and the outlet body 3.
Since the lead wire 6 can follow the operation of the outlet main body 3 because it is connected by the above, the lead wire 6 is not broken or its connecting portion is not loosened, and the connecting electric wire 51 is fixed to the terminal block 15 Since the operation of 3 is not transmitted to the connecting electric wire 51, it is possible to prevent a serious electric accident such as disconnection of the connecting electric wire 51 and loosening of the connecting portion.

In the present invention, the locking means 4 is not limited to the above embodiment. Further, although the cover 26 is a disc, it may be a prism.

[0013]

According to the floor outlet of the present invention, the outlet main body can be projected onto the floor by the spring. The terminal block is fixed to the bottom plate, and the terminal block and the outlet main body are connected by a flexible lead wire. Therefore, the lead wire can follow the operation of the outlet main body, so the lead wire will not break or the connection part will not loosen, and the connecting electric wire is fixed to the terminal block and the operation of the outlet main body is transmitted to the connecting electric wire Since it is not performed, there is an effect that it is possible to prevent a serious electric accident such as disconnection of the connecting electric wire and loosening of the connecting portion.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of a plate.

FIG. 3 is a side view showing a state where the outlet main body is stored.

FIG. 4 is a side view of the outlet main body in a protruding state.

FIG. 5 is a plan view thereof.

FIG. 6 is an exploded perspective view of a state in which the tubular portion is separated from the box.

FIG. 7 is a sectional view of a conventional example.

FIG. 8 is a partial cross-sectional view of the outlet main body in a protruding state.

[Explanation of symbols]

 1 Bottom plate 2 Spring 3 Outlet main body 4 Locking means 6 Lead wire 15 Terminal block

Claims (1)

[Claims] 1. A bottom plate fixed to a terminal block and disposed inside a floor hole, a spring having a lower end supported by the bottom plate, and a spring supported by an upper end of the spring and protruding from the floor hole. The outlet main body having a flexible lead wire connected to the terminal block, the state in which the consen main body projects from the floor hole, and the state in which the main body is housed in the floor hole against the spring are respectively released. A floor outlet provided with a locking means that locks as much as possible.