JP2011120314A - Wiring leading-in entrance apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wiring leading-in entrance apparatus that prevents a cap for locking a lower end to a locking section of a base from falling easily and has excellent working efficiency when placing a cover on the base from an upper portion for fixing. <P>SOLUTION: A body casing comprises the cover 1 and the base 2. The cover 1 comprises: a front plate section 11 having an insertion opening 10; a side plate section 12 for covering a side; and a covering section 13 for covering upper and rear sections. The base 2 comprises: a cylindrical section 21 open to an upper portion; a cylindrical bottom section 25 connected to an inner section from a lower end of the cylindrical section 21; and a lower box section 26 that is connected to a lower section from an inner end of the cylindrical bottom section 25 and is open to an upper section, and includes a conduit tube connection unit 27 in the lower box section 26. A cap 3 including a wire insertion hole 30 is provided in the insertion opening 10. Locking ribs 51 are formed at positions separated by a longitudinal thickness t of the cap 3 backward from the back of a front panel 22 of the cylindrical section 21 in right and left side plates 23 of the cylindrical section 21. A holding rib 6 is formed in a position separated by the thickness t backward from the rear of the front plate section 11 on an inner surface of the side plate section 12. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a wiring inlet device for drawing a wiring.

  Conventionally, in order to draw outdoor wiring indoors, a wiring inlet device is provided on the construction surface (see, for example, Patent Document 1).

  As shown in FIG. 5, the wiring inlet device includes a substantially box-shaped main body casing and an outer shell, and a cap 3 serving as an inlet port surface is fitted into a portion of the main body casing facing the outside. A conduit connecting portion 27 is formed in a portion facing the indoor. The cap 3 has a cylindrical portion 32 continuously provided from the periphery of the plate-like main body 31, and one or a plurality of electric wire insertion holes 30 penetrating the front and back of the plate-like main body 31 are formed.

  The main body casing is composed of a cover 1 and a base 2 each of which is divided into two halves, and an insertion port 10 is cut out at a joining edge joined to the base 2 of the cover 1. The latching | locking part 5 is formed in the edge part of the part corresponding to. The cap 3 has its peripheral edge locked to the locking portion 5 of the base 2, and the bonding edges of the cover 1 and the base 2 are bonded and fixed to the engaging portion 4 formed on the cover 1. The peripheral edge of the cap 3 is engaged, and the cap 3 is sandwiched between the engaging portion 5 of the base 2 and the engaging portion 4 of the cover 1.

Japanese Utility Model Publication No. 56-120715

  However, conventionally, the lower end edge of the cap 3 is locked to the locking portion 5 of the base 2, and then the cover 1 is covered from above and joined to the base 2, and the engaging portion 4 of the cover 1 is connected to the engaging portion 4 of the cover 1. Until the upper end edge is engaged, the cap 3 can move with the upper end edge being a free end only by the lower end edge being locked by the locking portion 5. For this reason, if the cap 3 is touched while the lower end edge of the cap 3 is only locked by the locking portion 5, the cap 3 falls down, and the lower end edge of the cap 3 is again connected to the locking portion 5 of the base 2. It was necessary to start again from the position where it was locked, and the assembly workability was poor.

  The present invention has been invented in view of the above-mentioned conventional problems, and the object of the present invention is to cover the base with the cover from above with the lower end edge of the cap locked to the locking portion of the base. It is an object of the present invention to provide a wiring inlet device that is easy to be assembled and is easy to assemble when joining and fixing.

  In order to solve the above problems, the present invention has the following configuration.

  The main body casing, which is an outer shell, is composed of a cover 1 and a base 2 which are half of a half, and the cover 1 is adjacent to the front plate portion 11 having the insertion port 10 through which the wiring is inserted, and the front plate portion 11. The base plate 2 includes a side plate portion 12 that covers both sides and a cover portion 13 that covers the upper side and the back side, and the base 2 opens upward and faces the front, rear, left, and right sides 23, 23, and the back plate 24. A cylindrical portion 21 comprising: a cylindrical bottom portion 25 which is continuously provided inward from the lower end edge of the cylindrical portion 21; a lower box portion 26 which is continuously provided downward from the inner end edge of the cylindrical bottom portion 25 and opens upward; A wiring inlet device including a conduit connecting portion 27 to which a conduit tube is connected to the lower box portion 26, and a cap 3 having a wire insertion hole 30 provided in the insertion port 10 through which the wiring is inserted. is there. A locking rib 51 is formed at a position separated from the back of the front plate 22 of the left and right side plates 23 of the cylindrical portion 21 of the base 2 by a thickness t in the front-rear direction of the cap 3, and the side plate portion 12 of the cover 1 is formed. The holding rib 6 is formed at a position separated by a thickness t in the front-rear direction of the cap 3 from the back of the front plate portion 11 on the inner surface to the back.

  In the present invention, it is possible to prevent the side edge of the cap from being sandwiched between the holding rib and the front plate portion and to fall forward and backward, and to improve the assembly workability.

  Further, the cap can be fixed to the base or cover without screwing.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows a wiring inlet device according to an embodiment of the present invention, wherein (a) is a front view, (b) is a plan view, (c) is a side view, and (d) is a side sectional view. . The cover is shown. (A) is a front view, (b) is a plan view, (c) is a side view, and (d) is a side sectional view. The base same as the above is shown, (a) is a front view, (b) is a plan view, (c) is a side view, (d) is a side sectional view, and (e) is a rear view. is there. The same cap is shown, (a) is a front view, (b) is a plan sectional view, and (c) is a rear view. The conventional wiring inlet apparatus is shown, (a) is the figure seen from the direction of a conduit connection part, (b) is a sectional side view, (c) is the figure seen from the direction of the inlet port surface. is there.

  Hereinafter, the wiring inlet apparatus of the present invention provided on the construction surface for drawing outdoor wiring indoors will be described based on embodiments shown in the accompanying drawings.

  As shown in FIG. 1, the wiring inlet device is composed of a cover 1 and a base 2 each of which is divided into two halves, and an outer shell is constituted by a main body casing that is substantially box-shaped when assembled. The main body casing is provided with a cap 3 serving as a lead-in port surface at a portion facing the outdoors, and a conduit connection portion 27 is formed at a portion facing the interior. In the following description, for the sake of convenience, the direction in which the inlet port surface faces is defined as the front, and the direction in which the conduit connection portion 27 is provided is defined as the lower side. Fig.1 (a) is a front view of a wiring inlet device, (d) is a sectional side view.

  As shown in FIG. 2, the cover 1 includes a substantially U-shaped front plate portion 11 that opens downward (see FIG. 2A), a side plate portion 12 that covers the left and right sides, and the upper and back sides. It consists of a covering portion 13 (top plate portion 13a) that is open to most of the front and downward, and a notch surrounded by a substantially U-shape of the front plate portion 11 is a wiring to be drawn in In this embodiment, the insertion port 10 is notched, but the inside of the front plate portion 11 is opened to form a substantially square shape, and the opening inside this is inserted into the insertion port 10. Further, in the present embodiment, the cover portion 13 is a top plate portion 13a that covers the upper side and the back side, but a top plate portion that covers the upper side and a back plate portion that covers the back side. It may be separated without being continuous.

  As shown in FIGS. 2C and 2D, the upper portion on the back side of the side plate portion 12 has a substantially arc shape, and the back side portion of the top plate portion 13a also corresponds to the substantially arc shape. It is a substantially cylindrical curved surface. A fixing tool insertion hole 14 through which a fixing tool 15 made of a screw is inserted is formed in the vicinity of the lower end of the central portion in the front-rear direction of the side plate 12.

  The top plate portion 13a has an engagement portion 4 for holding the cap 3 at a position separated from the back surface of the front plate portion 11 by a thickness t (see FIG. 4B) in the front-rear direction of the cap 3. Engagement ribs 41 are formed. Further, the side plate portion 12 is provided with the holding rib 6 of the present invention, which will be described later.

  The lower end portions of the front plate portion 11, the side plate portion 12, and the top plate portion 13a are joined to the base 2. In the present embodiment, the cover 1 is made of cast iron, but is not particularly limited to cast iron, and may be made of other metals or other materials.

  As shown in FIG. 3, the base 2 includes a cylindrical portion 21 having a front plate 22 that opens upward and faces front, rear, left and right, left and right side plates 23, and a back plate 24, and a lower end edge of the cylindrical portion 21. A substantially plate-shaped tube bottom portion 25 having a generally rectangular shape in plan view, and a substantially box-shaped lower box opened upward from the inner edge of the tube bottom portion 25. Part 26. The lower box portion 26 further includes a front vertical plate 26a, a rear vertical plate 26b, a front swash plate 26c connected in a direction of approximately 45 ° from the lower end of the front vertical plate 26a, and a rear vertical plate. Connected to the rear swash plate 26d connected from the lower end of 26b toward the direction of approximately 45 ° downward and forward, and to the side edges of the front vertical plate 26a, the rear vertical plate 26b, the front swash plate 26c, and the rear swash plate 26d. Left and right side plates 26e. The lower box portion 26 is formed with a substantially cylindrical conduit connection portion 27 to which a conduit tube such as a flexible tube is fitted and connected. In the present embodiment, the lower casing portion 26 is inclined downward from the front swash plate 26c. Although the conduit connection part 27 protrudes toward the front direction of approximately 45 °, it is not particularly limited to approximately 45 °. In addition, the lower box portion 26 does not have the front vertical plate 26a and the rear vertical plate 26b, and is configured only by the front swash plate 26c, the rear swash plate 26d, and the left and right side plates 26e, or is configured by a continuous curved surface as a whole. The shape is not limited. In this embodiment, the base 2 is made of cast iron, but is not particularly limited to cast iron, and may be other metals or other materials.

  The cylinder portion 21 is joined to the cover 1, the cover 1 is fitted from above, and the side plate portions 12 of the cover 1 are located outside the left and right side plates 23 of the cylinder portion 21. The back side end of the top plate portion 13a of the cover 1 is located outside the back plate 24, and the upper edge of the front plate 22 of the cylinder portion 21 is abutted against the lower end of the front plate portion 11 of the cover 1. It becomes a state.

  The left and right side plates 23 of the cylinder portion 21 have screws 15 made of screws at the center in the front-rear direction so as to communicate with the fastener insertion holes 14 of the side plates 12 of the cover 1 when the cover 1 is fitted. A fixing hole 28 to be screwed is screwed. Further, the left and right side plates 23 of the cylindrical portion 21 are provided as locking portions 5 for holding the cap 3 at positions separated from the back surface of the front plate 22 of the cylindrical portion 21 by a thickness t in the front-rear direction of the cap 3. A locking rib 51 is formed.

  Further, in the present embodiment, the left and right side plates 23 are also provided as the locking portions 5 for holding the cap 3, at a position separated from the front surface of the back plate 24 of the cylindrical portion 21 by a thickness t in the front-rear direction of the cap 3. A locking rib 52 is formed. Thereby, the front and rear of the base 2 can be attached to the cover 1 in reverse, and the direction of the wire insertion hole 30 can be reversed.

  As shown in FIG. 4, the cap 3 is formed by a plate-like main body 31 having a substantially rectangular shape when viewed from the front, and a cylindrical portion 32 having a substantially cylindrical shape continuously provided downward from the periphery of the plate-like main body 31. The thickness of the cylindrical portion 32 is the thickness t in the front-rear direction of the cap 3.

  One or a plurality of electric wire insertion holes 30 penetrating the front and back are formed in the plate-shaped main body 31, and the number of the electric wire insertion holes 30 is not limited. In the present embodiment, three electric wire insertion holes 30 are formed, and an annular rib 33 projects from the inner end edge of the electric wire insertion hole 30 toward the back side.

  The assembly of the cover 1, the base 2, and the cap 3 will be described. First, the lower end edge of the cap 3 is locked to the locking portion 5 of the base 2. That is, the lower end edge of the cap 3 is inserted from above between the locking rib 51 formed on the side plate 23 of the cylindrical portion 21 of the base 2 and the front plate 22 and placed on the cylindrical bottom portion 25.

  Thereafter, the cover 1 is covered from above and the lower end portion is fitted to the cylindrical portion 21 of the base 2. At this time, the cover 1 is covered while holding the cap 3 so as not to fall down by the holding rib 6. It will be. The holding rib 6 is formed on the inner surface of the side plate portion 12 at a position separated from the back surface of the front plate portion 11 by the thickness t in the front-rear direction of the cap 3. It is preferably formed over a portion (approximately 70% or more). In the present embodiment, the side plate portion 12 is formed from the upper end to the lower end up to about three quarters. When the cover 1 is covered from above, the cap 3 is fitted between the holding rib 6 of the cover 1 and the front plate portion 11, and the side edge of the cap 3 is sandwiched between the holding rib 6 and the front plate portion 11. It is prevented from falling back and forth.

  Then, the lower end portion of the cover 1 is fitted to the cylindrical portion 21 of the base 2, the upper end edge of the cap 3 is engaged with the engaging portion 4 of the cover 1, and the fixing tool 15 is inserted into the fixing tool insertion hole 14. Then, the cover 1 is fixed to the base 2 by screwing into the fixing hole 28. The cap 3 is sandwiched between the engagement rib 41 of the cover 1 and the front plate portion 11 at the upper end edge, is sandwiched between the locking rib 51 of the base 2 and the front plate 22, and the side edge is held. It is clamped by the rib 6 and the front plate part 11, and the front-back direction is firmly fixed.

  As described above, since the holding rib 6 is provided on the inner surface of the side plate portion 12 of the cover 1, when the cover 1 is put on the base 2 from above, the side edge of the cap 3 is connected to the holding rib 6 and the front plate portion. 11 is prevented from falling forward and backward, and the cap 3 does not easily fall down when the lower end edge of the cap 3 is merely locked by the locking portion 5 as in the prior art. Assembling workability of the base 2 and the cap 3 is improved.

DESCRIPTION OF SYMBOLS 1 Cover 10 Insertion port 11 Front plate part 12 Side plate part 13 Cover part 14 Adhering tool insertion hole 15 Adhering tool 2 Base 21 Cylinder part 22 Front plate 23 Side plate 24 Back plate 25 Cylinder bottom part 26 Lower box part 27 Conduit connection part 28 Adherence Hole 3 Cap 30 Wire insertion hole 31 Plate-shaped main body 32 Tube portion 4 Engagement portion 41 Engagement rib 5 Engagement portion 51 Engagement rib 52 Engagement rib 6 Retention rib

Claims (1)

  The main body casing, which is the outer shell, consists of a cover that is a half of a half and a base, and the cover covers the front plate part having an insertion port through which the wiring is inserted and the both sides adjacent to the front plate part. The base plate is composed of a side plate portion and a cover portion covering the upper side and the back side, and the base is opened upward and has a cylindrical portion composed of a front plate, left and right side plates and a back plate, respectively, and a lower end edge of the cylindrical portion. A tube bottom portion that is continuously connected inward from the inside, and a lower box portion that opens downward from the inner end edge of the tube bottom portion and opens upward, and a conduit connection portion in which the conduit is connected to the lower box portion A wiring inlet device in which a cap having a wire insertion hole is provided at an insertion port through which the wiring is inserted, in the longitudinal direction of the cap from the back of the front plate of the left and right side plates of the base cylindrical portion to the back The front plate on the inner surface of the side plate of the cover is formed with locking ribs at positions separated by the thickness. Wire service entrance device, characterized in that by forming a retaining rib in the front-rear direction position spaced a thickness of the cap to the back side from the rear.

Images