JPH10285745A - Wiring box having attaching part for detected member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To form the attaching part of a detected member to/from which the detected member can be attached/detached easily at a low cost. SOLUTION: An attaching part 6, to which a detected member 11 which can be detected from the surface of a wall is attached, is formed on a bottom wall 3. The attaching part 6 is composed of holding parts 7, which hold the protrusions 14 provided on the lower end part of the detected member 11 between the bottom wall 3 and themselves, by turning the detected member 11 by a suitable angle with the standing axis of the detected member 11 as the center of the turn. Further, guide posts 8, by which the lower end of the detected member 11 is positioned on the bottom wall 3 and the turn of the detected member 11 is guided, are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring box provided with a mounting portion for a member to be detected which can be detected from a wall surface.

[0002]

2. Description of the Related Art Conventionally, in order to expose substantially the entire front opening of a wiring box disposed behind a wall to a wall surface, a metal as a detection target provided in the wiring box must be removed from the wall surface. This was performed by detecting the outer shape of the wiring box by detecting with a metal detector, and then cutting the wall material using a saw or a cutter along the outer shape. Or,
A magnet as a material to be detected provided in the wiring box is detected by a magnetic detector from the surface of the wall, and a hole is formed in the wall material with the detected position as the center of the hole to form the wiring box. Almost the entire front opening of the was facing the wall surface.

As a wiring box having a portion to be detected, there is a technique described in Japanese Utility Model Laid-Open Publication No. 62-84779, which is shown in FIGS. 9 and 10. FIG. In the figure, a screw hole is formed on the bottom surface of the wiring box 1 attached to the back surface of the wall material W, and the detected member 11 is attached to the screw hole. The detection target member 11 has a magnet 13 as a detection target material buried in a columnar head 15 on one side, and a male screw is threaded on a connecting portion 16 on the other side. In the case of this wiring box 1, the detected member 11
Is detachably attached to the bottom surface of the wiring box 1 as a separate body, so that the detected member 11 itself which has become unnecessary can be used for another wiring box 1 for general use.

[0004]

[Problems to be Solved by the Invention]
The wiring box 1 disclosed in Japanese Patent No. 84779 has a very poor workability when the connecting portion 16 of the detected member 11 is screwed inside the narrow wiring box 1 when the connecting portion 16 is attached to the screw hole on the bottom surface. Was troublesome. Also, in particular,
Even when the detection target member 11 once attached is removed from the screw hole on the bottom surface, the detection target member 11 is removed from the wall surface through the wall hole.
It was very troublesome because it had to be removed.

Further, since screw holes are provided in the bottom surface of the wiring box 1, a screwing operation is required as a separate step after the wiring box 1 is formed. Depending on its shape, the connecting portion 16
May not be able to be screwed together, in this case,
Similarly, a threading operation is required as a separate step. Therefore, the cost was high as a whole.

Therefore, the present invention provides a wiring box provided with a mounting portion for a detected member, which can easily mount and remove the detected member and can form a mounting portion for the detected member at low cost. Is the subject.

[0007]

According to a first aspect of the present invention, there is provided a wiring box having a mounting portion for a member to be detected, wherein the member to be detected, which can be detected from a wall surface, is erected from a bottom wall toward an opening. A mounting portion is formed on the bottom wall, and the mounting portion is provided at a lower end portion of the detection target member by rotating the detection target member at an appropriate angle about a vertical axis of the detection target member. The piece is formed of a holding portion capable of holding the piece with the bottom wall.

According to the second aspect of the present invention, there is provided a wiring box provided with a mounting portion for a member to be detected, wherein the mounting portion is provided so that the member to be detected that can be detected from the wall surface is erected from the bottom wall toward the opening. A pinch formed on the bottom wall, wherein the mounting portion can be pinched by a pinching portion provided at a lower end portion of the member to be detected by a rotation of an appropriate angle about an upright axis of the member to be detected. It is formed of pieces.

According to a third aspect of the present invention, there is provided a wiring box provided with a mounting portion for a member to be detected.
The wiring box described in (1) is provided with a guide portion for positioning the lower end of the detected member on the bottom wall and guiding the rotation of the detected member.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the drawing, a wiring box 1 is formed in a box shape by a side wall 2 and a bottom wall 3.
The opening 4 faces the wall surface through the wall hole. A knockout 2a is formed in the side wall 2 at an appropriate position to communicate wiring between the inside of the wiring box 1 and the space behind the wall. At both ends of the bottom wall 3, boss portions 5 for mounting a wiring device mounting frame (not shown) from the wall surface are provided upright.

The bottom wall 3 has a knockout 3a.
Mounting portion 6 for mounting detection target member 11 on the portion where
Is provided. However, the position at which the mounting portion 6 is formed is not limited to the position where the knockout 3a is formed, and may be simply formed in a flat portion. Is also good. The mounting portion 6 is formed by a pair of holding portions 7 provided at positions opposite to the knockout 3a, and as shown in FIG. An opening 6a into which the projecting piece 14 as a holding portion can be inserted is formed, and a stopper 6b for preventing further rotation of the projecting piece 14 of the detected member 11 after insertion is formed on the other side. The holding portion 7 is formed by an eave portion of a hook-shaped protrusion having a substantially L-shaped cross section, and a tapered portion 7a is formed inward at an opening 6a portion. The height of the projection 14 is slightly smaller than the height of the projection 14. Then, the peripheral portions 3 on both sides of the holding portion 7 and the knockout 3a of the bottom wall 3
b, the projecting piece 1 of the detected member 11
4 from above and below. Since the through-groove 3c is formed in the bottom wall 3 immediately below the holding portion 7, the wiring box 1 can be integrally formed including the mounting portion 6 by a synthetic resin.

Further, a pair of guide portions comprising pins for positioning when the detected member 11 is attached to the mounting portion 6 and guiding the rotation of the detected member 11 are provided on the outer edge of the knockout 3a of the bottom wall 3. 8 are erected. The pair of guide portions 8 are separated from each other by a size substantially equal to the outer diameter of the lower end of the detection target member 11.

On the other hand, as shown in FIGS. 1 and 6, the detected member 11 attached to the attaching portion 6 of the wiring box 1 is formed in a hollow columnar shape, and an elastic member is provided above the internal space. A disk-shaped magnet 13 is held by a pair of locking pieces 12 that expand laterally. Further, the detected member 1
A projecting piece 14 having a predetermined length and a rectangular shape having a fixed cross section and large enough to be press-fitted into the holding portion 7 of the wiring box 1 is integrally formed outwardly at the lower end of the wiring box 1.

Next, the attachment of the detected member to the wiring box of the present embodiment configured as described above will be described. In order to attach the detection target member 11 to the attachment portion 6 of the bottom wall 3 of the wiring box 1, first, as shown in FIG.
The detection member 11 is brought into contact with the bottom wall 3 by positioning the guide portion 8 from above. Next, the detected member 11 is appropriately rotated clockwise about the vertical axis to the right as viewed from above,
The protruding piece 14 is inserted from the opening 6a of the mounting portion 6 where the taper 7a is formed, and is press-fitted into the space. At this time, the rotation of the detection target member 11 is guided by the pair of guide portions 8,
Further, since the taper 7a is formed in the opening 6a, the detected member 11 can be smoothly and easily rotated even in the narrow wiring box 1. As shown in FIG.
After the protruding piece 14 of the detected member 11 is press-fitted into the space of the mounting portion 6, the protruding piece 14 of the detected member 11 is vertically Thus, the detection target member 11 is stably held.

Next, from the wiring box 1 to the detected member 1
To remove 1, the member 11 to be detected may be gripped, rotated in the opposite direction, that is, to the left, appropriately to release the clamping, and then pulled upward.

As described above, in the wiring box provided with the mounting portion of the detected member according to the present invention, the mounting portion 6 for mounting the detected member 11 detectable from the wall surface is formed on the bottom wall 3, and the mounting portion is provided. 6 rotates the protruding piece 14 as a clamped piece provided at the lower end portion of the detection target member 11 with the bottom wall 3 by rotating the detection target member 11 at an appropriate angle about the vertical axis. The lower end of the detected member 11 is formed on the bottom wall 3 while being formed by the holding portion 7 for clamping.
1 is provided with a guide portion 8 for guiding the rotation of the first rotation.

Therefore, after the detected member 11 is brought into contact with the bottom wall 3 with the guide portion 8 positioned from above the bottom wall 3,
The member 11 to be detected can be attached to the bottom wall 3 of the wiring box 1 by simply rotating the member about the vertical axis as appropriate. Here, unlike the conventional example, the detected member 11 must be rotated several times and screwed into the screw hole on the bottom surface, unlike the conventional example. Good, it can be mounted very easily. Further, when the detection target member 11 once attached is removed from the wiring box 1, the operation can be easily performed in the same manner.

Further, since the mounting portion 6 can be formed simultaneously by integral molding of a synthetic resin, a post-process such as a screwing operation can be completely eliminated, so that the mounting portion 6 can be formed at extremely low cost. .

In this manner, the outer shape of the wiring box of the present embodiment can be extracted from the wall surface by the detected member 11. Further, by attaching the detection target member 11 to the eccentric position of the bottom wall 3, for example, as shown in FIG. 5, the first perforation center C1 is found from the wall surface, and the first perforated center C1 indicated by the two-dot chain line is displayed on the wall material. A through hole H1 is formed, and then the second hole is formed using a gauge tool or the like with reference to the boss portion 5 facing the detected member 11 and facing the wall surface from the first through hole H1.
By extracting the perforation center C2 and forming the second through-hole H2, a wall hole substantially corresponding to the shape of the opening 4 can be easily formed, and substantially the entire opening 4 is exposed to the wall surface. Can also. That is, the detection member 11 is not limited to the one in which the detection member 11 is attached to the center portion of the bottom wall 3 to form a through-hole in the wall material W.
First, a first through-hole is provided, and the center of the next perforation can be sequentially drawn to form second and subsequent through-holes.

Next, a wiring box according to another embodiment of the present invention will be described with reference to FIGS. In the figure, a sandwiched piece 6c as a mounting portion is opposed to a wall hole 3d formed by a knockout or the like provided on a bottom wall 3 of a wiring box 1 as a mounting portion. Are provided as a pair. On the other hand, the lower end of the detected member 11 is provided with a holding portion 14a formed of a pair of engagement grooves into which the held piece 6c is press-fitted at an opposing position and is engaged therewith. Further, a pair of vertical grooves 14b into which the held pieces 6c of the wiring box 1 can be inserted from below are connected to opposing positions of the holding portion 14a. That is, in the wiring box of this embodiment, the above-described holding portion 7 is provided on the wiring box 1 side, and the protruding piece 1 serving as a holding piece is provided on the detection target member 11 side.
4 is attached to the wiring box to which
Conversely, the holding portions 14a are formed on the wiring box 1 side and the detected member 11 side, respectively.

In order to mount the detected member 11 on the bottom wall 3 of the wiring box 1 of this embodiment, the lower end of the detected member 11 is placed in the wall hole 3d while the guide portion 8 is positioned from above the bottom wall 3. Insert In addition, even when the lower end of the detection target member 11 comes into contact with the holding piece 6c of the wiring box 1 at the time of descending,
By rotating the left-right direction about the vertical shaft, the lower end of the detected member 11 can be easily inserted into the wall hole 3d. Next, the detected member 11 is rotated about its vertical axis, and the held piece 6c of the wiring box 1 is pressed into the holding portion 14a and held. Thus, also in this embodiment, the detected member 11 can be easily attached to the bottom wall 3 of the wiring box 1 in the narrow wiring box 1. Further, once the detection target member 11 is attached.
In the same manner, the operation can be easily performed when removing the camera.

By the way, in each of the above-described embodiments, two protruding pieces 14 and holding portions 14a are provided at positions facing the detected member 11, and the mounting portions 3 are attached to the bottom wall 3 of the wiring box 1 correspondingly. Are also provided, but when implementing the present invention,
It is not limited to this, and the number of attachments and the attachment positions can be set arbitrarily. The detected member 11
Can be formed in either the left or right direction.

Further, in the above-described embodiment, the case where two guide portions 8 are provided is shown. However, the number is not limited, and the shape is not limited to the pin. In short, as long as positioning and guidance can be performed at the time of mounting the member to be detected, the number can be arbitrary, and the shape can be an arbitrary shape such as an annular projection.

[0024]

As described above, according to the wiring box provided with the mounting portion of the detected member according to the first aspect of the present invention, the mounting portion of the detected member provided on the bottom wall is provided with the upright of the detected member. It is formed by a holding portion for holding the held piece of the detected member with the bottom wall by turning the shaft at an appropriate angle about the installation axis. Therefore, the detected member can be detachably attached to the bottom wall of the wiring box by a very simple operation of bringing the detected member into contact with the bottom wall and rotating the member at an appropriate angle. Further, since the mounting portion is formed of a holding portion for rotating the detection target member and holding the holding piece of the detection target member with the bottom wall, it is also possible to integrally mold using a synthetic resin or the like. Therefore, the mounting portion of the detected member can be formed extremely inexpensively.

Further, in the wiring box provided with the mounting portion of the detected member according to the second aspect of the present invention, the mounting portion of the detected member provided on the bottom wall is centered on a vertical axis of the detected member. It is formed of a piece to be clamped which can be clamped by the clamping portion of the detected member by an appropriate angle of rotation. Therefore, the same effect as the first aspect can be expected.

Furthermore, the wiring box provided with the mounting portion for the member to be detected according to the third aspect of the present invention is the wiring box according to the first or second aspect.
The wiring box described in (1) is provided with a guide portion for positioning the lower end of the detected member on the bottom wall and guiding the rotation of the detected member. Therefore, the position of the detection target member with respect to the mounting portion is easy, and since the rotation of the detection target member is guided by the guide portion, the detection target member can be smoothly and reliably rotated even in a narrow wiring box. , Can be attached and detached.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a wiring box having a mounting portion for a member to be detected according to an embodiment of the present invention.

FIG. 2 is a perspective view of a main part showing a mounting part of FIG. 1;

FIG. 3 is a plan view showing a wiring box provided with a mounting portion for a member to be detected according to the present invention.

FIG. 4 is a plan view showing a state where a member to be detected is in contact with a bottom wall of the wiring box of FIG. 1;

FIG. 5 is a plan view showing a state where a member to be detected is attached to an attaching portion of the wiring box of FIG. 1;

FIG. 6 is a cross-sectional view taken along the line AA of FIG. 5;

FIG. 7 is a perspective view showing a wiring box provided with a mounting portion for a member to be detected according to another embodiment of the present invention.

FIG. 8 is a cross-sectional view taken along line BB of FIG. 7;

FIG. 9 is a perspective view showing a conventional wiring box.

FIG. 10 is a perspective view showing a conventional detected member.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wiring box 3 Bottom wall 4 Opening 6 Mounting part 6c Clamped piece 7, 14a Clamping part 8 Guide part 11 Detected member 14 Protrusion piece

Claims (3)

[Claims] 1. A mounting portion is formed on the bottom wall so that a detection target member detectable from a wall surface is erected from a bottom wall toward an opening, and the mounting portion is provided on the detection member standing upright. A detection member formed by a holding portion which can hold a holding piece provided at a lower end portion of the detection member with the bottom wall by rotation of an appropriate angle about an axis; Wiring box equipped with a mounting part. 2. A mounting portion is formed on the bottom wall so that a detection target member detectable from a wall surface is erected from a bottom wall toward an opening, and the mounting portion is provided on the detection member standing upright. A detection member mounting portion, which is formed by a clamped piece that can be clamped by a clamp portion provided at a lower end portion of the detected member by rotation of an appropriate angle about an axis. Wiring box. 3. The device according to claim 1, further comprising a guide portion for positioning a lower end of the member to be detected on the bottom wall and guiding rotation of the member to be detected. A wiring box provided with a mounting portion for a detection member.