JP3049577B2 - Straightening duct - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a straightening duct for accommodating and organizing a large number of wirings.

[0002]

2. Description of the Related Art FIG. 7 shows a conventional straightening duct of this type which is commercially available. In FIG. 7, 2 is the body of the straightening duct 1, 3 is the bottom wall, and 4 is the side wall. 44
Is an outlet groove, and 42 is an arc portion. 5 is a lid, 6 is a side wall of the lid 5, and 62 is an arc portion of the lid 5.

[0003] The conventional straightening duct 1 having such a structure is as follows.
The bottom wall 3 is fixed to a back plate or the like, and the wiring group is housed inside the main body 2. A plurality of wires in the wiring group housed inside are drawn out from one lead-out groove 44 near the terminal block and connected to connection terminals of a terminal block (not shown). After the connection, the arc portion 62 of the lid 5 is engaged with the arc portion 42 on the main body side, the upper surface of the main body 2 is closed, and the wiring groups are arranged and accommodated in the wiring duct 1 while being grouped together. It has become.

[0004]

As described above, the conventional straightening duct 1 is configured such that the wiring inside the main body 2 is drawn out from the lead-out groove 44 and connected to the connection terminal. Therefore, the correspondence between the wiring in the wiring group in the wiring duct 1 and the wiring connected to each connection terminal on the terminal block becomes unclear, and there is a risk that erroneous wiring may occur. If one wire is led out from one lead-out groove 44 in order to clarify the correspondence, the straightening duct 1 and the lead-out wire will be unnecessarily long. In particular, since the positions of the lead-out groove 44 of the commercially available straightening duct 1 and each connection terminal on the terminal block are likely to be inconsistent, wiring that is longer than necessary is used here, which hinders compact wiring processing. And so on.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and has as its object to realize a straightening duct which is free from the possibility of erroneous wiring and is convenient for assembly and maintenance and inspection. It is.

[0006]

SUMMARY OF THE INVENTION The present invention is directed to a bottom wall attached to a back plate, and both side walls connected to the bottom wall and obliquely inclined in the same direction and closed at open ends. The main body is made of a resin-molded body consisting of a plurality of parts, and is formed with multi-stage and multi-row wiring lead-out holes in the side wall so as to correspond to the plurality of connection terminals on the terminal block provided on the back plate. Each of the wiring groups housed in the wiring group is led out from a lead-out hole in a side wall portion, and is sequentially connected to a connection terminal of a terminal block.

[0007] Further, the present invention constitutes a straightening duct in which the same symbol as the corresponding connection terminal on the terminal block is provided on the side of the lead-out hole. Further, a sliding contact portion is formed on both side walls of the main body, a projection is provided on one of the sliding contact portions, and a press-fit hole into which the projection is inserted is provided on the other of the sliding contact portions. This is a configuration of a straightening duct configured to be closed.

[0008]

[Action] Using the mounting holes provided in the bottom wall of the main body,
A straightening duct is fixed to, for example, a back plate inside the device. The wiring group connected to the external device is taken into the device from the intake hole of the back plate, and is collectively housed in the body of the straightening duct having an open end opened. The specified wirings in the wiring group are inserted one by one into the specified lead-out holes in the side wall portion and led out to both sides of the main body. Each of the derived wirings is stripped of the coating at the tip and connected to a predetermined input-side connection terminal by a screw on the terminal block. When the connection of the wiring is completed, the open end of the main body is closed by the lid or the engaging means, and the wiring group is clearly gathered and housed in the straightening duct.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an exploded perspective view showing a basic structure of the present invention applied to a conventional duct. explain. In FIG. 1, reference numeral 1 denotes a straightening duct.
The straightening duct 1 is made of a flexible synthetic resin, and is manufactured by, for example, heating and pressing using a plastic molding machine. 2
Is a main body of the straightening duct 1, 3 is a bottom wall of the main body 2, and 4 is a side wall. The side wall portions 4 are provided on both sides of the bottom wall portion 3 and are bent at a right angle in the same direction as in the related art. 3
Reference numeral 1 denotes a mounting hole formed in the bottom wall 3, 41 denotes a number of outlet holes penetrating through the side wall 4, and 42 denotes an arc formed in the open end 40. The lead-out holes 41 are provided in the side wall part 4 in multiple stages and multiple rows, and if necessary, the same reference numerals 43 and the like as the corresponding connection terminals on the terminal block are engraved on each lead-out hole 41 side.

Reference numeral 5 denotes a lid. The lid 5 is formed in a U-shape with a slightly shallow cross-sectional shape. 6 is a side wall of the lid 5,
Reference numeral 62 denotes an arc portion formed on the side wall portions 6 on both sides. The arc portion 62 of the lid 5 is provided corresponding to the arc portion 42. Then, when the lid 5 is put on the open end 40 of the main body 2 and pressed, the gap between the two arc portions 42 and 62 is reduced and expanded, and then they overlap and engage. Reference numeral 11 denotes a wiring group before being accommodated in the straightening duct 1, and 12 denotes a remaining extended wiring group. Reference numeral 13 denotes one wiring separated from the wiring group 11 and led out to the side surface of the main body 2 and connected to a terminal block or the like. Reference numeral 15 denotes a rear plate of a device such as a fire receiver, and 16 denotes an intake hole of the wiring group 11 provided on the rear plate 15.

The processing operation of the embodiment of the present invention configured as described above will now be described. First, the lid 5 is removed from the main body 2 to separate the main body 2 and the lid 5. The bottom wall 3 of the separated main body 2 is brought into contact with the rear plate 15 inside the device, and the fixing screw fitted in the mounting hole 31 is screwed in to fix the main body 2. The wiring group 11 connected to the external device is taken into the device from the intake hole 16 of the back plate 15 and is collectively installed inside the main body 2 of the straightening duct 1 with the open end 40 opened. The specific wirings 13 in the wiring group 11 are separated and inserted one by one from the inside into the specified lead-out holes 41 of the side wall portion 4 and led out to both sides of the main body 2.

Each of the derived wirings 13 is led to a terminal block (not shown) attached to the back plate 15. Then, after the coating on the end of the wiring 13 is peeled off, it is connected to a predetermined input side connection terminal by a screw on the terminal block. When the connection of the derived wiring 13 is completed, the open end 4 of the main body 2 is closed.
When the cover 5 is pressed with the lid 5 covered thereon, the space between the arc portions 42 and 62 changes as described above. As a result, the arc 4
2 and 62 polymerize and elastically engage the "snap".
In this manner, the open end 40 of the main body 2 is closed by the lid 5, the wiring group 11 is clearly gathered and stored in the straightening duct 1, and the straightening work is completed.

Embodiment 1 FIG. 2 is a perspective view of Embodiment 1 of the present invention, FIG. 3 is a developed view of FIG. 2, and FIG. 4 is a bottom view of FIG. 2 to 4, reference numeral 7 denotes a plate-shaped sliding contact portion, 8 denotes a V-shaped bent groove, and 9 denotes an engagement mechanism. The sliding contact portion 7 is continuously provided to the left and right side wall portions 4 via the bending grooves 8, and the bending grooves 8 are symmetrically arranged in the width direction of the main body 1.
A pair is formed. In the first embodiment, the engagement mechanism 9 is
A spherical projection 92 provided with a split groove 91;
Is formed by a press-fitting hole 93 into which is inserted. Spherical protrusion 9
2 is shown in FIG. 5 (A). A trapezoidal projection 94 in which the spherical shape is changed to a trapezoidal cross section is shown as an application example in FIG. 13B, and other known engaging means can be adopted. Then, the main body 2 is bent inward at the positions of the bending grooves 8, and then the sliding contact portions 7 are vertically overlapped.
The modified hexagonal cylinder type straightening duct 1 as shown in FIG.

Embodiment 2 FIG. 6 is a perspective view of Embodiment 2 of the present invention. In the second embodiment shown in FIG. 6, two sets of symmetrical bent grooves 8 are formed. Although not shown in detail in a developed view, it is bent outward at a pair of bent grooves 8 on the outside. In this embodiment, the sliding contact portions 7 overlap each other and are locked by the same engagement mechanism 9 as in the first embodiment, and the open end of the main body 2 is closed.
A triangular cylinder type straightening duct 1 is produced. The processing operation of the wiring group 11 using the second embodiment and the first embodiment also conforms to the application example of FIG. In both the first and second embodiments, the lid 5 is not used as in the application example, and the storage device is not limited to storage and transportation since it is a thin plate and the whole is integrated.
Various advantages can be expected in terms of handling and cost as compared with the related art.

In the above-described embodiment, the case where the bent groove 8 is V-shaped is illustrated, but it may be arc-shaped. In addition, the sliding contact portion 7
Although the open end is closed by the engaging mechanism 9 by superimposing, it may be closed by a butt structure, and the structure of the engaging mechanism 9 and the like is not necessarily limited to the embodiment as described above.

[0016]

The present invention comprises a bottom wall attached to the back plate, and both side walls connected to the bottom wall and obliquely inclined in the same direction and closed at the open ends. Wiring housed inside the main body, formed of resin-molded main body, forming multi-stage and multi-row wiring lead holes on the side wall to correspond to multiple connection terminals on the terminal block provided on the back plate Each of the wirings of the group was led out of the lead-out hole of the side wall part, and a line-setting duct was sequentially connected to the connection terminal of the terminal block.

In addition, a straightening duct having the same symbols as the corresponding connection terminals on the terminal block is provided on the side of the lead-out hole. Further, a sliding contact portion is formed on both side walls of the main body, a projection is provided on one of the sliding contact portions, and a press-fit hole into which the projection is inserted is provided on the other of the sliding contact portions. A straightening duct configured to be closed was constructed.

As a result, the correspondence between the wires in the wire group and the wires connected to the connection terminals is clarified through the lead holes, and erroneous wires can be prevented. Further, according to the first and second embodiments, since the lead-out of the wiring is led out from the lead-out hole of the inclined side wall part, the lead-out state and symbols of the wiring are easy to see from the front (front). Further, as described above, the straightening duct has a thin plate shape, occupies a smaller volume than in the past, and is extremely convenient for storage and transportation. In addition, since the duct is composed of a single component, it is easy to assemble, and the number of steps is reduced accordingly, so that the manufacturing cost is reduced.

Therefore, according to the present invention, it is possible to provide a line-shaping duct which is compact without erroneous wiring and is convenient for assembly and maintenance and inspection.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view when applied to a conventional duct for explaining a basic configuration of the present invention.

FIG. 2 is a perspective view of Embodiment 1 of the present invention.

FIG. 3 is a development view of FIG. 2;

FIG. 4 is a bottom view of FIG. 3;

FIGS. 5A and 5B are explanatory views of an engagement projection.

FIG. 6 is a perspective view of a second embodiment of the present invention.

FIG. 7 is an exploded perspective view showing an example of a conventional straightening duct.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-108969 (JP, A) JP-A 53-24897 (JP, U) JP-A 2-133125 (JP, U) JP-A 47- 21199 (JP, U) Japanese Utility Model Showa 51-79684 (JP, U) Japanese Utility Model Showa 60-38017 (JP, U) Japanese Utility Model Showa 62-7721 (JP, U) Japanese Utility Model Showa 34-14118 (JP, Y1) (58) Field surveyed (Int. Cl. ⁷ , DB name) H02G 3/00-3/04

Claims (3)

(57) [Claims] 1. A resin molding comprising a bottom wall attached to a back plate, and both side walls connected to the bottom wall and obliquely inclined in the same direction and bent and closed at an open end. And a plurality of connection terminals on a terminal block provided on the back plate.
In order to respond, the lead-out holes of the wiring are provided in the side wall portion in multiple stages and multiple rows.
And forming each wiring of the wiring group housed in the main body inside the side wall portion .
Sequentially derived from the lead-out holes, organizing organ ducts, characterized in that connected to the terminal block connection terminal. 2. A terminal on the side of the lead-out hole on the terminal block.
The same symbol as the connection terminal is provided.
The straightening duct according to claim 1, wherein 3. A sliding contact portion which is connected to both side walls of the main body , a projection is provided on one of the sliding contact portions, and another sliding contact portion is provided.
3. The straightening duct according to claim 1 , wherein a press-fitting hole into which the protrusion is inserted is provided to block an open end of the main body.