JP2000316216A - Wiring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the workability of the wiring of a wiring device. SOLUTION: After providing protrusively from a bottom surface portion 32 of a wiring device 11 a displaying portion 36 of a bottom portion 31 of the wiring device 11, the displaying portion 36 is printed and colored by a different color from the bottom surface portion 32 to make prominent the displays for showing the kinds of wire laying holes, etc. In the bottom portion 31, a pair of protruding portions 33 are so provided more protrusively than the displaying portion 36 as to sandwich the displaying portion 36 between them. As a result, in the time when packing, transporting, or assembling the wire laying tool 11, etc., the print of the displaying portion 36 can be prevented from peeling off by contacting it slipperily with other members.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring device to which wiring is connected.

[0002]

2. Description of the Related Art Hitherto, wiring devices, such as outlets, switches, and terminal blocks, in which wiring fittings to which wiring is connected are housed in a housing, have been used.

[0003] The housing includes a housing main body having an opening on the front side and a cover body covering the opening of the housing main body, and is connected and fixed to each other by fasteners. The cover body has a blade insertion hole into which the blade of the plug is inserted, or a swinging switch handle. On the other hand, a plurality of wiring holes into which wiring to be connected with wiring fittings is inserted are formed in the bottom of the housing body.

On the bottom of the housing body, a display for indicating the type of wiring hole and the like is integrally and three-dimensionally protruded from the bottom. However, since a plurality of indications such as a rated current consumption and a model name are provided on the bottom portion, the indication of the type of the wiring hole is small and easily thin, and it is not always easy to identify the wiring hole particularly in a dark place. However, the workability is poor. On the other hand, in order to make the display unit easy to understand, a configuration in which the display unit is colored may be considered. However, if the protruding part is simply colored, it can be used for packaging, transportation, or assembling wiring equipment.
The protruding portion slides against another member or the like, and the coloring is easily peeled off. In order to prevent this, it is necessary to handle the wiring device carefully, and there is a problem that it is difficult to improve workability.

[0005]

As described above, a display portion indicating the type of wiring hole and the like is integrally provided on the bottom surface portion of the housing main body in a three-dimensional manner, and the display portion is further provided with the display portion. In the configuration where the display section is simply colored for simplicity,
When packing, transporting, or assembling wiring equipment, the protruding parts are likely to come into sliding contact with other members and the color is easily peeled off.To prevent this, wiring equipment must be handled carefully. There is a problem that it is difficult to improve the performance.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a wiring device capable of improving workability in wiring work.

[0007]

According to a first aspect of the present invention, there is provided a wiring device, comprising: a wiring fitting; a bottom surface, a wiring hole into which wiring connected to the wiring fitting is inserted, and a bottom surface provided near the wiring hole. A housing that has a display portion that protrudes and has a surface state different from that of the bottom portion, and a projection portion that protrudes from the display portion, and that faces the inside of the wiring hole and accommodates a wiring fitting; Things.

[0008] In this configuration, the display portion protrudes from the bottom portion and has a surface state different from that of the bottom portion, for example, by being colored, so that the indication indicating the type of the wiring hole is easy to understand and the wiring work is easy. become. In addition, since the protruding part protrudes larger than the display part, it is possible to prevent the protruding part from sliding against other members, etc. during assembly work of the wiring equipment, and to prevent the coloring from coming off. Become.

In the present invention and each of the following inventions,
The term "wiring device" means a device in which wiring fittings to which wiring is connected, such as an outlet, a switch, and a terminal block, are housed in a housing.

The display portion having a surface state different from that of the bottom portion is not only different in color but also different in three-dimensional shape such as smoothness of the surface. Laser engraving, branding, spot heating by burning with a burner or heater, etc., can be formed by altering with heat, etc., and two-color molding, surface treatment such as graining, or a combination of these be able to. In the case of coloring, it is desirable to color the color such as blue so that it is easy to see even in a dark place, and a plurality of colors of paint can be used.

The display section is formed as characters,
The wiring hole may be formed as a dot-shaped mark or the like surrounding or not surrounding the wiring hole.

According to a second aspect of the present invention, there is provided a wiring device in which a short outer diameter is attached to a device holding means of a mounting frame provided with a tool mounting hole having an elongated and three tool mounting means in an intermediate portion in a longitudinal direction. In a standardized wiring device in which is formed approximately one-third of the longitudinal direction of the device mounting hole, a wiring fitting; a bottom portion; a wiring hole into which wiring connected to the wiring fitting is inserted; A display part protruding from the bottom part and having a surface state different from the bottom part, and a bottom part provided with a protruding part protruding from the display part, facing the inside of the wiring hole, and housing a wiring fitting. And a body.

In this configuration, in the standardized wiring device mounted on the mounting frame, the display portion protrudes from the bottom portion and has a surface state different from that of the bottom portion by, for example, coloring, so that the wiring hole is formed. The display indicating the type is easy to understand, and the wiring work is easy. In addition, since the protruding part protrudes larger than the display part, it is possible to prevent the protruding part from sliding against other members, etc. during assembly work of the wiring equipment, and to prevent the coloring from coming off. Become.

In the present invention, approximately 1/3 means 1
This means that a slightly smaller or larger range around / 3 is allowed.

According to a third aspect of the present invention, in the wiring device according to the first or second aspect, the display unit is provided on a display stand protruding from a part of the bottom surface.

In this configuration, by projecting the display unit to a height close to the protruding portion, processing such as printing of the display unit is facilitated, and the manufacturing cost is reduced. Also,
By protruding only a part of the bottom part to a position near the protruding part, compared to a configuration in which the entire bottom part protrudes,
Material costs are reduced.

According to a fourth aspect of the present invention, in the wiring device according to any one of the first to third aspects, the display unit is provided so as to surround the wiring hole.

In this configuration, the wiring position is specified, and the wiring work is facilitated.

According to a fifth aspect of the present invention, there is provided the wiring device according to any one of the first to fourth aspects, wherein:
A phosphor is provided.

In this configuration, the wiring position is specified, and the wiring work is facilitated. In particular, wiring work becomes easy even in a dark place such as a construction site where lighting is insufficient.

In the present invention, the phosphor means a substance capable of emitting light in a dark place, such as a luminous paint.

According to a sixth aspect of the present invention, there is provided the wiring device according to any one of the first to fifth aspects, wherein a plurality of wiring holes into which a ground electrode wiring is inserted are provided at a bottom portion. A plurality of display sections each displaying an earth pole are provided in proximity to each other.

In this configuration, since the display section is provided near each of the plurality of wiring holes into which the wiring of the ground electrode is inserted, the wiring is easily and accurately connected. Also, there is no need to dispose the display unit between the wiring holes,
The wiring holes can be freely arranged close to each other, and the size of the wiring fitting can be reduced.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the wiring device according to the present invention will be described below with reference to the drawings.

FIG. 1 is a sectional view showing an embodiment of the wiring device of the present invention, FIG. 2 is a perspective view of the wiring device, FIG. 3 is a plan view of the wiring device, FIG. 4 is a side view of the wiring device, and FIG. Is an end view of the wiring device, FIG. 6 is a bottom view of the wiring device, and FIG. 7 is a side view of the housing body.

In FIG. 1 to FIG. 6, reference numeral 11 denotes a wiring device. The wiring device 11 is a continuous wiring device which is mounted on a mounting such as a wall after being singly or plurally mounted on a mounting frame called a support. A large-sized continuous wiring device forms an outlet that is connected to a power supply line and to which a plug (not shown) is electrically and mechanically detachably connected. Hereinafter, the front side is described as an upper side, and the bottom side is described as a lower side. The dimensions of the mounting frame and the wiring device 11 are standardized, and the mounting frame has a device mounting hole which is elongated and has three device mounting means in a longitudinal direction at an intermediate portion. And
The wiring device 11 is formed in a size of one module to be attached to any device holding means in the device mounting hole of the mounting frame,
That is, the outer diameter dimension in the short direction is formed to be approximately 1/3 of the longitudinal direction of the instrument mounting hole.

The wiring device 11 includes a housing 12, a wiring fitting 14 housed in the housing 12, and the like.

The housing 12 includes a housing main body 16, a cover 17, a fastener 18, and the like. Then, the housing body 16 and the cover body 17 are integrally formed of a synthetic resin such as white or milky white having an insulating property,
A storage space for storing the wiring fittings 14 is formed inside in a state in which the wiring fittings 14 are combined and fixed by the stoppers 18 in combination with each other. As shown in FIGS. 1 to 7, the housing body 16 has a substantially box shape with an open upper side, and the inside thereof has a blade mounting portion 22 around a partition plate portion 21 and a chain shape. A terminal mounting portion 23 is formed. In addition, each chain terminal mounting part
As shown in FIG. 6, a pair of wiring holes 25 are formed penetrating downward from 23, and a release hole 26 is formed between the pair of wiring holes 25. I have.

A projecting portion 33 projects downward from both ends of the substantially flat bottom portion 32 at the bottom portion 31 of the housing body 16. The projecting portion 33 has a wiring hole 25 and a release hole. A hole 26 is formed. Furthermore, adjacent to one wiring hole 25,
A display base 35 protrudes downward from the bottom surface 32, and a display 36 protrudes downward from the display base 35. The display unit 36 indicates a caution display or the like, and in the present embodiment, a character “W” indicating a ground-side electrode is protrudingly provided. Further, the display section 36 is colored in a different color having a surface state different from that of the other parts of the housing body 16, and is printed with a blue paint in the present embodiment. Also,
Various indications are projected or recessed on the bottom surface part 32 and are integrally formed. Engagement receiving portions 41 are integrally formed on both side portions of the housing body 16 at the upper end portions, respectively. The engagement receiving portion 41 is provided with a vertically extending guide groove portion 42 and locking step portions 43 located on both sides of a lower end portion of the guide groove portion 42.

The housing body 16 has an opening whose upper side is larger in area than the bottom 31 side, and has tapered inclined surfaces 44 formed on both sides.

The cover body 17 includes a cover body 46 having a substantially rectangular planar shape, and a flange 47 extending forward and backward from lower ends of both ends of the cover body 46. On the lower side of the cover main body 46, a pair of blade receiving metal housings 52 is formed around the partition plate 51, and penetrates upward from the blade receiving metal housing 52 to form a pair of plug holders. Hole
54 are formed. Further, on the upper surface of the cover main body 46, each plug insertion hole 54 is surrounded, and an insertion hole concave portion 55 is formed in a curved shape. Also, the width dimension of the insertion hole recess 55 is
As shown in FIG. 3, the plug P is formed to have a width larger than the width of the plug P to be mounted.
Part of 55 is exposed to the outside. In addition, cover-side guide grooves 57 are formed on both sides of each flange 47. Further, on both end surfaces of the cover main body 46, receiving plates 58 project from the flanges 47.
Engaging projections 59, which are ribs extending in the up-down direction from both sides of both sides, protrude.

Each of the fasteners 18 is formed, for example, by punching and bending a stainless steel plate to form a cover body engaging portion 61 and a housing body engaging portion extending from both sides of the cover body engaging portion 61. 62 are formed. Then, the cover body engaging portion 61
Includes a board portion 64 and an engagement piece 65 bent from one end of the board portion 64 along the longitudinal direction and erected at a right angle. At substantially the center of the engagement piece 65, a rectangular hole 66 is formed. Further, a cut-and-raised portion 67 extends from the substrate portion 64 toward the hole 66. Further, a mounting claw portion 68 is formed from the substrate portion 64 at a position opposite to the engagement piece portion 65. The housing main body engaging portion 62 includes a bent portion 71 formed to be bendable and narrow, and an arm portion following the bent portion 71.
The arm 72 includes a locking portion 73 which is formed in a substantially V-shape from the tip of the arm 72.

On the other hand, the wiring fittings 14 housed in the housing 12
For example, a blade receiving portion 81 bent in a substantially U shape to be mounted on the blade receiving metal mounting portion 22 of the housing body 16 with a metal having good conductivity such as a copper alloy containing tin (Sn), A substantially L-shaped chain-like connecting portion 82 extending from the blade receiving portion 81 and mounted to the chain-like terminal mounting portion 23 is formed. Furthermore, the chain terminal mounting portion 23
A biasing means 84 such as a leaf spring formed of a member having elasticity such as stainless steel is attached thereto, and a release button 86 formed of, for example, a synthetic resin of the same material as the housing body 16. Is stored so that it can advance and retreat.

To assemble the wiring device 11, first, the release button 86 and the urging means
84 and the wiring fittings 14 are attached, and the cover 17 is placed on the upper side of the housing body 16. In this state, the board portion 64 of the stopper 18
Is located on the flange portion 47 of the cover body 17,
The engaging piece 65 of the stopper 18 is inserted and engaged between the engaging projections 59 of the cover body 17, and the stopper 18 is temporarily fixed to prevent lateral displacement. Then, from this state, the fastener 18
A bending force is applied to the housing main body engaging portion 62 of the housing, the bending portion 71 and the like are bent, and the arm 72 is moved to the cover side guide groove 57 and the guide groove 42.
And the locking portion 73 at the distal end is locked below the locking step 43. In this state, the housing body is
The wiring body 11 is completed by connecting and fixing the cover 16 and the cover body 17.

The wiring device 11 is installed on a building such as a wall using a mounting frame (not shown) or the like, and a wiring core such as a power supply line is inserted from each wiring hole 25 by inserting the wiring core. The core wire is sandwiched and electrically connected between the chain-like connecting portion 82 of the wiring fitting 14 and the urging means 84, and is mechanically chain-connected. Then, by inserting the blade of the plug from the plug insertion hole 54, the blade is sandwiched by the blade receiving portion 81, electrically and mechanically connected, and the wiring metal fitting is provided.
Power can be supplied to electrical equipment connected to the plug via 14. When the wiring device 11 is replaced, a jig such as a screwdriver is inserted through the release hole 26, whereby the urging means 84 is retracted, and the wiring can be removed.

According to the present embodiment, the wiring device
The display portion 36 of the bottom portion 31 of 11 is projected from the bottom portion 32, and in addition, only the character portion is further projected, and printed and colored in a color different from the main body color, that is, the bottom portion 32, it is easy to be small and thin The display such as caution stands out, and the identification of each wiring hole 25 can be easily understood even in dark places.
Wiring workability is improved, and incorrect wiring can be prevented.

Further, the display unit 36 is not formed so as to protrude most at the bottom 31, but a pair of protrusions 33 are provided so as to protrude from the display unit 36 with the display unit 36 interposed therebetween. During the assembling work, it is possible to prevent the printed portion from coming off due to the display section 36 slidingly contacting other members or the like, and to improve the workability of the assembling.

Further, since the display section 36 is adjacent to the protruding section 33, the display section 36 can be made harder to contact with other members.

Further, since the wiring hole 25 is provided in the projecting portion 33,
When the electric wire is inserted, it becomes difficult for the electric wire to touch the character portion, and the printing can be hardly peeled off. It is not essential that the wiring hole 25 is provided in the protruding portion 33.

Further, by protruding the character portion to a height close to the protruding portion 33, printing can be easily performed.
Printing by transfer can be easily performed.

Further, only a part of the bottom surface part 32 is
By projecting to a position close to, the material cost can be reduced as compared with the configuration in which the entire bottom 32 is projected.

In the present embodiment, the display unit 36 is provided on one side of the bottom 31 of the wiring device 11, so to speak,
Since the bottom portion 31 is color-coded, when the wiring device 11 is mounted on the support which is a frame, the mounting direction such as the up-down direction can be easily confirmed even when viewed from the back, and the workability of wiring device installation can be improved. That is, in the wiring device 11,
Indications such as manufacturer and rating are made on the front side, and when multiple switches are used as the wiring device 11, it is necessary to align the on / off directions of the switches, but according to the present embodiment, Using the display unit 36 provided on one side of the bottom 31 of the wiring device 11 as a guide, the mounting direction can be easily confirmed, and the workability of installing the wiring device can be improved. In particular,
When wiring devices are used continuously, if one of the plurality of wiring devices has a different orientation, the orientation of the display unit 36 on the rear surface is not aligned, so that the operator can be intuitively informed of an incorrect mounting direction.

Also, according to the present embodiment, the cover 17
A pair of engaging projections 59 is provided so as to be spaced apart from each other, and the engaging pieces 65 of the stoppers 18 are engaged with the engaging projections 59, whereby the stoppers 18 can be temporarily fixed. A pair of engaging pieces projecting from both sides of the cover body engaging portion of the stopper are engaged compared with a configuration in which the engaging protrusion of the cover body is engaged between these engaging pieces. Since the distance between the engagement piece portion 65 and the bent housing main body engaging portion 62 is easily ensured, when the housing main body engaging portion 62 provided on both sides of the cover body engaging portion 61 is bent. A force is less likely to be applied to the engagement piece 65, and the occurrence of dimensional unevenness is suppressed, and the workability of assembly can be improved. further,
At the same time as the distance between the engagement portion and the bent portion of the stopper 18 is increased, the mechanical strength of the engagement protrusion 59 can be easily secured.

The display section 36 is formed by being modified by heat, such as engraving by laser, branding, spot heating by burning with a burner or a heater, and the like, compared with a configuration in which a paint is applied to the surface. There is no peeling of the display unit 36, and the visibility of the display unit 36 can be kept good.

Further, by using the display unit 36 by applying a fluorescent material or the like, the display unit 36 is clearly indicated, and the workability of wiring work can be improved. In particular, it is obvious that the lighting tends to be insufficient in the wiring work of the lighting equipment, and also in the wiring work of other lighting equipment, the lighting equipment may be insufficient and dark at the construction site. By using this, it is possible to improve the workability of the wiring work by clearly displaying the display unit 36 even in a dark place.

The display unit 36 is provided on the bottom
It is also possible to provide a lower portion, that is, a concave portion than the display portion 32 or the display base portion 35, and to color the inside or outside of the concave portion. Then, in the configuration in which the inside of the concave portion is colored, peeling of the printing paint due to rubbing can be prevented, and good visibility of the display unit 36 can be maintained.

Further, the display unit 36 is not limited to characters such as "W", and may be, for example, simply a dot display, that is, a mark of about a dot.

In the above-described embodiment, a single-phase 100 V general-type outlet has been described as a wiring device. However, the present invention is applicable to various wiring devices. 100V, single phase 2
00V and three-phase 200V are possible, and the present invention can be applied to a so-called double outlet configuration in which a plurality of plugs can be mounted, a configuration with a grounding electrode, or a hook type. In addition to the outlet, one-sided, two-sided,
It can be applied to various switches such as three-way, four-way, and with a timer.

FIG. 8 is a bottom view showing another embodiment of the housing body of the present invention.

That is, the wiring device 11 shown in FIG.
A three-way switch in which a switch mechanism is housed inside the housing 12 and a swingable switch handle is provided as an operation unit on a cover body (not shown). On the bottom part 31, adjacent to the pair of wiring holes 25, Each of the display bases 35 is protrudingly provided, and the indications "1" and "3" are protruded below these protruding parts 33 and are colored on the display bases 35, and the display part 36 is formed. The same effect as that of the wiring device 11 is obtained. The indications of “1” and “3” are displayed, for example, when installing the wiring device 11 above and below the stairs.
By electrically connecting the same numbers to each other, required wiring can be easily performed.

FIG. 9 is a bottom view showing another embodiment of the wiring device of the present invention.

That is, the wiring device 11 shown in FIG.
In the configuration shown in FIG.
The annular portion 25a, which is a recessed portion surrounding the wiring hole 25 provided in, is also made a display by changing the surface state by coloring it, etc. Workability can be improved. In addition, this annular part
In the configuration provided with 25a, the display section 36 for displaying "W" can be omitted.

FIG. 10 is a plan view showing still another embodiment of the wiring device of the present invention, FIG. 11 is a bottom view of the wiring device, FIG. 12 is a bottom view showing an enlarged part of the wiring device, and FIG.
FIG. 12 is a sectional view taken along line II-II of FIG. 12 of the wiring device.

That is, the wiring device 11 shown in FIGS. 10 to 13 is a wiring device of a wall-embedded type, and is a so-called double outlet to which two plugs can be attached.
12 is a housing body (case body) 16 and two pairs of plug insertion holes
The cover body 17 formed with 54 is connected with a frame-shaped stopper (not shown), and a metal attachment frame (support) (not shown) is attached.

In the bottom portion 31 of the housing body 16, two pairs of wiring holes 25 each having a pair of wiring holes (wire insertion holes) on the positive electrode side and the ground electrode (negative electrode) side are formed. Inside the body 12, a first terminal fitting as a wiring fitting electrically connected to the electric wire inserted from the wiring hole 25 on each positive electrode side, an electric wire inserted from the wiring hole 25 on each ground electrode side, A second terminal fitting as a wiring fitting to be electrically connected is housed.

The two pairs of wiring holes 25 are provided in the housing body.
The wiring holes 25, which are provided substantially at the center of the bottom 31 of the 16 and are provided close to each other, and have the same pole, are arranged on the same side. For example, as shown in FIG. 11, the wiring hole 25 on the positive electrode side is disposed on the left side, and the wiring hole 25 on the ground electrode side is disposed on the right side.

Further, a display section 36 which is a ground pole display section for displaying a ground pole is formed adjacent to the wiring hole 25 on each ground pole side. And these display units 36
Are formed so as to project from the surrounding bottom surface 32 and have a surface state different from that of the surrounding bottom surface 32.

Further, the bottom portion 31 of the housing body 16 is formed with a protruding portion 33 which surrounds the periphery of each display portion 36 and protrudes larger than the display portion 36.

According to this embodiment, since the display portion 36 for displaying the earth pole is provided for each of the two wiring holes 25 on the ground electrode side, the wiring hole for inserting the electric wire is provided.
25 types can be checked very easily, and wires can be connected accurately.

Further, as compared with the configuration in which the display portion is provided between the wiring holes, the layout of the wiring holes 25 can be made freely, and by disposing the wiring holes 25 on the ground electrode side close to each other, the ground electrode side can be provided. The second terminal fitting, which is a terminal fitting, can be miniaturized within a necessary and sufficient range, and the manufacturing cost can be reduced.

Each of the display sections 36 protrudes from the surrounding bottom face 32 and is formed in a surface state different from that of the surrounding bottom face 32, so that the display can be easily viewed.
The displayed contents can be easily recognized.

Here, the different surface state includes a state in which the surface roughness and the reflectance are different, and also includes a state in which the color is different, and makes the color of the display section 36 different from the color of the surrounding bottom section 32. Thereby, the display can be more easily viewed, and the display content can be easily recognized. Further, as the color, for example, when the surrounding bottom surface 32 is white, the display unit 36
Is desirably blue or green so that it can be easily recognized even in a dark situation.

Further, the periphery of the display unit 36 is
Because the projection 33 that protrudes larger than the
When the display unit 36 is colored, it is possible to prevent the display unit 36 from being in sliding contact with other members and the like, and to prevent the display unit 36 from being discolored.

In the configuration shown in FIGS. 2 and 6, for example, the housing body 16 of the housing 12 is formed substantially symmetrically in the width direction. Have an inclined surface 44, respectively, but by making this shape asymmetric, the orientation of the housing body 16 of the housing 12 can be easily confirmed, and the confirmation by a machine is also easy, and the manufacturing cost is reduced. Can be reduced.

FIG. 14 is an explanatory view of a cross section at a position corresponding to II in FIG. 3 showing still another embodiment of the wiring device of the present invention.

That is, in the embodiment shown in FIG. 14, for example, regarding a wiring device or the like which is embedded in a wall surface and used, an opening is provided on one surface, and one surface having this opening is larger than the opposed bottom surface portion 32. A housing body (case body) 16 having an area, and a cover body 17 covering an opening of the housing body 16
And a housing composed of the housing body 16 and the cover body 17.
Regarding wiring equipment with wiring fittings stored in 12,
For a portion having a larger cross-sectional area from the bottom surface 32 of the housing body 16 to one surface, one side is an inclined surface 44, and the other side opposed to the inclined surface 44 is a stepped step 91 or the like.
Both sides are formed so as to have different shapes.

Therefore, in this configuration, in the assembling step of the wiring device 11, a portion where the cross-sectional area of the side surface of the housing main body 16 becomes large is irradiated with the laser beam L perpendicular to the side surface, and the reflected light of the laser beam L is reflected. By measuring the presence or absence of R with a sensor, the orientation of the housing body 16 can be confirmed. That is, in the step portion 91 having a step-like cross-sectional area, while reflecting the laser beam L in the incident direction, the tapered inclined surface 44 has
Since the laser beam L is not reflected in the incident direction, the direction of the housing body 16 can be identified by the presence or absence of the reflected light beam.

When the assembling of the wiring device 11 is automated, the housing 16 is aligned in a predetermined direction, so that wiring fittings such as terminals are positioned at predetermined positions inside the housing 16 in a predetermined direction. And the manufacturing cost can be reduced.

Further, by providing these steps 91 and the inclined surfaces 44 at portions where the cross-sectional area of the housing body 16 changes, the design can be simplified and molding such as integral molding with resin can be made relatively easily. And manufacturing costs can be reduced.

[0070]

According to the wiring device of the first aspect, the display portion protrudes from the bottom portion and has a surface state different from that of the bottom portion, for example, by being colored, so that the indication indicating the type of the wiring hole can be easily understood. , Wiring work can be facilitated. Furthermore, since the protruding portion protrudes larger than the display portion, it is possible to prevent the protruding portion from sliding against another member or the like at the time of the assembling work of the wiring device, thereby preventing coloring and the like, thereby improving the workability of the assembling. .

According to the wiring device of the second aspect, in the standardized wiring device attached to the mounting frame, the display portion protrudes from the bottom portion and has a surface state different from that of the bottom portion by, for example, being colored. The display indicating the type of the wiring hole can be easily understood, and the wiring work can be facilitated. Furthermore, since the protruding portion protrudes larger than the display portion, it is possible to prevent the protruding portion from sliding against another member or the like at the time of the assembling work of the wiring device, thereby preventing coloring and the like, thereby improving the workability of the assembling. .

According to the wiring device of the third aspect, in addition to the effects of the first and second aspects, the display portion is provided on the display base protruding from a part of the bottom portion, so that the display portion is close to the protruding portion. By protruding up to the height, processing such as printing of the display unit becomes easy, and the manufacturing cost can be reduced. In addition, by protruding only a part of the bottom portion to a position near the protruding portion, material costs can be reduced as compared with a configuration in which the entire bottom portion protrudes.

According to the wiring device of the fourth aspect, in addition to the effect of any one of the first to third aspects, since the display section is provided so as to surround the wiring hole, the wiring position is clearly specified, and the wiring operation is performed. Easy.

According to the wiring device of the fifth aspect, in addition to the effect of any one of the first to fourth aspects, the display unit further comprises:
Since the phosphor is provided, the wiring position can be clearly specified and the wiring operation can be facilitated. In particular, wiring work can be facilitated even in a dark place such as a construction site where lighting is insufficient.

According to the wiring device of the sixth aspect, in addition to the effect of any one of the first to fifth aspects, the display unit is provided near each of the plurality of wiring holes into which the wiring of the ground electrode is inserted. Therefore, wiring can be easily and accurately connected. Further, it is not necessary to provide a display portion between the wiring holes, and the wiring holes can be freely arranged close to each other, so that the wiring device can be downsized.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing one embodiment of a wiring device of the present invention.

FIG. 2 is a perspective view of the wiring device.

FIG. 3 is a plan view of the wiring device.

FIG. 4 is a side view of the wiring device.

FIG. 5 is an end view of the wiring device.

FIG. 6 is a bottom view of the wiring device.

FIG. 7 is a side view of the housing body.

FIG. 8 is a bottom view showing another embodiment of the housing body of the present invention.

FIG. 9 is a plan view showing another embodiment of the wiring device of the present invention.

FIG. 10 is a plan view showing still another embodiment of the wiring device of the present invention.

FIG. 11 is a bottom view of the wiring device.

FIG. 12 is an enlarged bottom view of a part of the wiring device;

FIG. 13 is a cross-sectional view of the wiring device taken along the line II-II of FIG. 12;

FIG. 14 is an explanatory view of a cross section at a position corresponding to II in FIG. 3 showing still another embodiment of the wiring device of the present invention.

[Explanation of symbols]

 11 Wiring device 12 Housing 14 Wiring fitting 25 Wiring hole 31 Bottom 32 Bottom 33 Projection 36 Display

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Yoshikazu Nagashima 4-3-1 Higashishinagawa, Shinagawa-ku, Tokyo Inside Toshiba Lighting & Technology Corporation (72) Inventor Kazunori Fukuda 4-3-1 Higashishinagawa, Shinagawa-ku, Tokyo F-term (reference) in Toshiba Lighting & Technology Corporation 5E023 GG15 GG20 HH17 HH27 5E086 HH20 JJ32 JJ33 JJ34 LL10 LL13 LL14 LL16 LL17 5G357 CA05 CB04 CC01 CD01

Claims (6)

[Claims] A bottom surface; a wiring hole into which a wiring to be connected to the wiring member is inserted; a display portion provided near the wiring hole and protruding from the bottom portion and having a surface state different from the bottom portion; A housing having a bottom provided with a protruding portion protruding from the display portion and facing the inside of the wiring hole to house a wiring fitting; 2. An instrument mounting means provided in a mounting frame provided with an instrument mounting hole having an elongated and three instrument mounting means in an intermediate portion in a longitudinal direction and having a short outer diameter dimension in the longitudinal direction of the instrument mounting hole. A standardized wiring device formed to be approximately 1/3 of the following: a wiring fitting; a bottom part, a wiring hole into which wiring to be connected to the wiring fitting is inserted, and a wiring hole provided near the wiring hole and protruding from the bottom part. And a housing that has a bottom portion provided with a display portion having a surface state different from that of the bottom portion and a protruding portion protruding from the display portion and faces the inside of the wiring hole and accommodates a wiring fitting. A wiring device characterized by the above-mentioned. 3. The display device according to claim 1, wherein the display unit is provided on a display base protruding from a part of the bottom surface.
The wiring device described. 4. The wiring device according to claim 1, wherein the display unit is provided so as to surround the wiring hole. 5. The wiring device according to claim 1, wherein the display unit is provided with a phosphor. 6. A plurality of wiring holes into which a wiring of a ground electrode is inserted are provided at a bottom portion, and a plurality of display portions each displaying a ground electrode are provided in proximity to these wiring holes. The wiring device according to any one of claims 1 to 5, wherein