JPH0767218B2 - Floor outlet - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a floor outlet for drawing an electric wire such as a telephone line from a floor surface.

[Prior Art] FIGS. 19 and 20 show a conventional example. That is, this floor outlet has a screw hole 57 for fixing the inner shroud
The floor has a mounting plate portion 52 mounted on the upper surface of the floor 51 and is suspended from the mounting plate portion 52 and passes through the floor hole 50 of the floor 51.
The mounting plate 52 is screwed into the wiring member 54 below the mounting plate 52.
With a screw cylinder 59 for fixing the above to the upper surface of the floor 51
60, a screw insertion hole that covers the mounting plate portion 52 and is placed on the upper surface of the floor 51, and has a shell shape and is aligned with the screw hole 57.
61 and the wiring member through the screw cylinder 59.
An outer cover 53 having an electric wire outlet 55 communicating with 54 is provided, and a fixing screw 56 for fixing the outer cover 53 to the floor 51 by being tightened in the screw hole 57 through the screw insertion hole 61. . 58 is a packing for stopping rotation.

[Problems to be Solved by the Invention]

However, this floor outlet has a drawback in that the head of a fixing screw 56 for fixing the outer cover 53 appears on the surface of the outer cover 53 and dust is attached to the head, which impairs the appearance. Even if the outer cover 53 is made of a copper alloy, the high-quality feeling is impaired by the fixing screw 56.

Therefore, an object of the present invention is to provide a floor outlet capable of concealing a fixing screw.

[Means for Solving the Problems]

The floor outlet of the present invention has a mounting plate portion which is formed on the upper surface of the floor and has a screw hole for fixing the inner shroud, and is hung from the mounting plate portion and passes through the floor hole of the floor to lower the floor. A base having a screw cylinder screwed into the wiring member to fix the mounting plate portion to the upper surface of the floor, and a shell-shaped screw that is placed on the upper surface of the floor and covers the mounting plate portion. An inner cover having a screw insertion hole aligned with the hole and formed with an electric wire outlet that communicates with the wiring member through the screw cylinder, and an upper piece and an upper piece overlapped with a portion of the inner cover having the screw insertion hole. A mounting hole, which is formed in a substantially L-shape with the extension piece extending to the outer peripheral surface of the inner shell and is aligned with the screw insertion hole, is formed in the upper piece, and the mounting hole extends outward from the outer peripheral surface of the inner shell. The protruding part is the middle of the extension piece. And a fixing spring having the tip of the extension piece as a pushing portion for releasing, and the inner spring by being passed through the mounting hole and the screw insertion hole of the fixing spring and tightened in the screw hole. A fixing screw for fixing the fixing spring to the floor and fixing the fixing spring to the inner shell, and a lid-like member that fits on the inner shell, and the elasticity of the fixing spring to the protrusion of the fixing spring. Jig insertion for inserting a jig that has a concave portion to be engaged and that pushes the releasing pushing portion of the extension piece against the elasticity of the fixing spring to separate the protruding portion from the concave portion An outer cover having a portion is provided.

[Action]

According to the structure of the present invention, the protrusion of the fixing spring is elastically locked to the recess of the outer shell by fitting the outer shell to the inner shell, so that the outer shell can be secured to the inner shell without raising the outer shell. It can be fixed, and the fixing screw can be hidden outside. Further, when the jig is inserted into the jig insertion portion and the releasing push portion of the fixing spring is pushed, the protrusion is released from the recess, so that the outer cover can be removed, and therefore, the outer cover can be attached / detached with one touch.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS. That is, this floor outlet has a base 1, an inner shroud 2, a fixing spring 3, an outer shroud 4, and a fixing screw 27, as shown in FIGS.

As shown in FIG. 5 to FIG. 8, the base 1 has a mounting plate portion 7 which is formed on the upper surface of the floor 6 and has a screw hole 5 for fixing the inner cover, and is hung from the mounting plate portion 7. In addition, it is screwed into the wiring member 9 below the floor 6 through the floor hole 8 in the floor 6 to fix the mounting plate portion 7 to the upper surface of the floor 6 and has a screw cylinder 10. The wiring member 9 is a floor duct as an example, and the insert screw portion 11 of the floor duct has a screw cylinder.
10 can be screwed in. Reference numeral 12 is an electric wire such as a telephone wire drawn from the wiring member 9 through the screw cylinder 10, 33 is a boss forming the screw hole 5, and 34 is a taper for preventing the electric wire 12 from being damaged. As for the construction procedure, the electric wire 12 is pulled out from the insert screw portion 11 of the wiring member 9, the electric wire 12 is inserted into the screw cylinder 10, and the screw cylinder 10
Is screwed into the insert screw portion 11 to fix the mounting plate portion 7 to the floor 6.

As shown in FIGS. 9 to 13, the inner shroud 2 is a shell-like member which is placed on the upper surface of the floor 6 by covering the mounting plate portion 7 and which is aligned with the screw hole 5. An electric wire outlet 14 having a hole 13 and communicating with the wiring member 9 through the screw cylinder 10 is formed. In this embodiment, the inner cover 2 has a cylindrical shape with openings at both ends, and the screw insertion hole 13 has a mounting seat 16 projecting from the inner surface of the peripheral wall 15 toward the center.
Forming thirteen. In addition, the wire outlet 14 has a cutout formed in the peripheral wall 15 as an example. Reference numeral 17 is a reinforcing rib, and 18 is a rotation stopper protrusion for packing.

In the embodiment, a packing 19 is provided at the end of the inner cover 2 on the floor contact side. As shown in FIGS. 1 to 4, the packing 19 is formed in a ring shape so as to follow the shape of the end of the inner shell 2, and a wire drawing portion 20 is formed corresponding to the wire drawing outlet 14. In addition, the concave groove 21 is formed so as to be fitted to the end portion, and is attached directly or via an adhesive. Further, the packing rotation stop projection 18 is pressed against the bottom of the groove 21, or a receiving portion (not shown) into which the packing rotation stop projection 18 is fitted is formed in the packing 19. Inner cover 2 construction is inner cover 2
The electric wire 12 is passed through the electric wire outlet 14 of the base 1, the screw hole 5 of the base 1 and the screw insertion hole 13 of the inner shell 2 are aligned, the fixing screw 27 is passed through the screw insertion hole 13 of the inner shell 2, and the screw of the base 1 is screwed. Screw in the hole 5 and tighten. This allows you to cover 2 against base 1.
Is attracted and the inner shank 2 is strongly pressed against the floor 6 via the packing 19. Therefore, the inner shank 2 is prevented from rotating and the inner shank 2 is firmly attached. Further, the electric wire 12 is drawn out to the outside along the taper 34 of the mounting plate portion 7 of the base 1 by bending the thin portion of the electric wire drawing portion 20 of the packing 19.

As shown in FIG. 14, the fixing spring 3 extends to the outer peripheral surface of the inner shell 2 from the upper piece 22 which is overlapped with the portion of the inner shell 2 having the screw insertion hole 13. The upper piece 22 is provided with a mounting hole 24 which is formed in a substantially L shape by the extending piece 23 and is aligned with the screw insertion hole 13, and the projection 25 which projects outward from the outer peripheral surface of the inner shell 2 is formed. It is formed in the intermediate portion of the extension piece 23 and the tip of the extension piece 23 is provided with a pushing portion 26 for releasing.
I am trying.

The fixing spring 3 is a leaf spring as an example, and an inverted U that abuts on the mounting seat 16 on the upper piece 22 and is fitted to the upper end portion of the peripheral wall 15.
It has a character-shaped bent portion 30, and the protruding portion 25 is formed by bending,
Further, a bending piece 37 that bends outward at the tip of the pushing portion 26 for release
Is formed to facilitate the release of the outer cover 4 by the jig 28.

The fixing screw 27 is passed through the attachment hole 24 and the screw insertion hole 13 of the fixing spring 3 and is tightened by the screw hole 5, thereby fixing the inner shell 2 to the floor 6 and fixing the fixing spring 3 inside. Fix it to 2. In the example, the fixing screw 27
The packing 19 of the inner shroud 2 is pressed against the floor 6 by tightening. 35 is a spring washer.

The outer shell 4 has a lid shape that fits the inner shell 2 and has a recess 32 on the inner surface that engages with the protrusion 25 of the fixing spring 3 by the elasticity of the fixing spring 3 and has the extending piece. twenty three
It has a jig insertion portion 29 into which a jig 28 for pushing the releasing push portion 26 against the elasticity of the fixing spring 3 to push the releasing portion 26 out of the concave portion 32 is inserted. A peripheral wall of the outer cover 4 is formed to be long, and an opening edge portion is brought into close contact with an upper surface of the packing 19. A notch portion 36 is formed corresponding to the wire drawing portion 20 of the packing 9, and the jig inserting portion 29 uses the notch as an example to face the release pushing portion 26 and insert the bent piece 37. When the outer shell 4 is mounted, when the inner shell 2 is covered with the outer shell 4, the recess 32 on the inner surface engages with the projection 25 and is fixed by the elasticity of the fixing spring 3. On the other hand, when removing the outer cover 4, a minus driver is inserted into the jig insertion portion 29 of the embodiment, and the release pushing portion 26 is pushed while the jig 28 is placed on the bending piece 37. The part 25 becomes detachable from the recess 26, and the jig 28 is rotated so that the jig 4 can be rotated to pry open. Since the jig 28 is placed on the bending piece 37 instead of the packing 19 and twisted, the outer cover 4 can be easily removed. 31
Is a rib. An appropriate "display" can be provided on the outer surface of the outer cover 4.

According to this embodiment, the protrusion 25 of the fixing spring 3 is elastically locked to the recess 32 of the outer cover 4 by fitting the outer cover 4 to the inner cover 2, so that the outer cover 4 is not lifted. The outer cover 4 can be fixed to the inner cover 2, and the fixing screw 3 can be covered with the outer cover 4. Further, when the jig 28 is inserted into the jig insertion portion 29 and the release pushing portion 26 of the fixing spring 3 is pushed, the protruding portion 25 comes out of the concave portion 32 so that the outer cover 4 can be removed. Can be attached and detached with a single touch.

The wiring member 9 includes a floor duct and various wiring members such as a floor box.

〔The invention's effect〕

According to the floor outlet of the present invention, the protrusion of the fixing spring is elastically locked to the recess of the outer shell by fitting the outer shell to the inner shell, so that the outer shell is protected from being lifted up. It can be fixed in this way, and the fixing screw can be concealed outside. Also, when the jig is inserted into the jig insertion part and the pressing part for releasing the fixing spring is pressed, the protruding part comes out of the recessed part, so that the outer cover can be removed, so that the outer cover can be attached and removed with one touch. There is.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is its II.
-II line sectional view, FIG. 3 is a front view showing the wire outlet in front, FIG. 4 is a side view thereof, FIG. 5 is a sectional view of the base in a construction state, FIG. 6 is a half sectional view of the base, Fig. 7 is a plan view of the base, Fig. 8 is a sectional view taken along the line VIII-VIII of Fig. 6, Fig. 9 is a sectional view of the inner shell, Fig. 10 is a bottom view of the inner shell, and Fig. 11 is a plan view of the inner shell. Figure, Figure 12 is a partially broken side view, Figure 13 is Figure 9.
XIII-XIII line sectional view, FIG. 14 is an enlarged plan view of the fixing spring, FIG. 15 is a sectional view of the outer cover, FIG. 16 is a plan view, FIG. 17 is a bottom view, FIG. 18 is a side view, FIG. 19 is a cutaway side view of a conventional example, and FIG. 20 is a plan view. 1 ... base, 2 ... inner cover, 3 ... fixing spring, 4 ...
… Outside, 5 …… Screw hole, 6 …… Floor, 7 …… Mounting plate,
8 ... Floor hole, 9 ... Wiring member, 10 ... Screw cylinder, 13 ... Screw insertion hole, 14 ... Electric wire outlet, 22 ... Top piece, 23 ... Extension piece, 24 ... Mounting hole , 25 ... Projection part, 26 ... Release part, 27 ... Fixing screw, 28 ... Jig, 29 ... Jig insertion part, 32 ... Recessed part

Claims (1)

[Claims] 1. A wiring member having a mounting plate portion which is formed on an upper surface of a floor and which is formed with a screw hole for fixing the inner shroud and which is hung from the mounting plate portion and through a floor hole of the floor. A base having a screw cylinder that is screwed into the upper surface of the floor to fix the mounting plate portion to the upper surface of the floor, and a shell-like shape that is placed on the upper surface of the floor and covers the mounting plate portion and is aligned with the screw hole. An inner cover having a screw insertion hole for forming an electric wire outlet communicating with the wiring member through the screw cylinder, and an upper piece to be overlapped with a portion of the inner cover having the screw insertion hole, and the inner piece from the upper piece. A projection that is formed in a substantially L shape with an extension piece that extends to the outer peripheral surface of the shell, forms a mounting hole in the upper piece that matches the screw insertion hole, and projects outward from the outer peripheral surface of the inner shell. A part is formed in the middle of the extension piece and A fixing spring having the tip of the projecting piece as a pressing portion for releasing and a fixing spring fixed to the floor by passing through the mounting hole and the screw insertion hole of the fixing spring and tightening the screw hole. And a fixing screw for fixing the fixing spring to the inner shell, and a lid-shaped recess that is fitted to the inner shell, and a recess that engages with the protrusion of the fixing spring by the elasticity of the fixing spring. An outer cover having a jig insertion portion that is provided on an inner surface and that inserts a jig that separates the protrusion from the recess by pushing the releasing push portion of the extension piece against the elasticity of the fixing spring. Floor outlet with and.