JP2005317358A - Waterproof outlet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a waterproof outlet facilitating assembly work of an outlet part and a wire passing part and capable of enhancing adherence of a bushing. <P>SOLUTION: A receptacle of the outlet part 13 of a power line is incorporated in a body 12 of this waterproof outlet 11 used by passing the power line and wires between an outdoor location and an indoor location therethrough and by being mounted to a building surface on the outdoor side; the wire passing part 18 for passing the wires therethrough is formed in the body 12; the receptacle of the outlet part 13 of the power line and the wire passing part 18 for passing the wires therethrough are covered with an integration type receptacle cover 14; and a bushing retention part 24 for retaining the bushing 23 for closely fitting the passed wires to the wire passing part 18 is detachably attached to the receptacle cover 14. The wire passing part 18 and the outlet part 13 in the body 12 are partitioned by an insulating separator part 17 formed with an independent component. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a waterproof outlet used by connecting an electric wire between an outdoor side and an indoor side and attaching it to a construction surface on the outdoor side.

  For example, when it is desired to take out a commercial power connector (outlet) on the outer wall of a building, a water outlet having waterproof performance is attached. The waterproof outlet is formed by housing an outlet portion in the main body, and a power line is connected to the outlet portion from inside the building. That is, a through hole through which the power line passes is provided in the outer wall surface of the building, and the through hole is connected to the outlet through the power line.

Such a waterproof outlet is not only a commercial power supply on the outer wall of the building, but when, for example, you want to take out the wire of the water heater, the main body of the waterproof outlet has not only the outlet portion but also a wiring portion for passing the wires. It is provided so that an electric wire is passed through the line portion (for example, see Patent Document 1). In other words, a bushing is provided in the wire portion to closely contact the wire to be passed, and an insulating separator is provided between the outlet portion and the wire portion in order to secure an insulation distance between the wire and the power line. Is provided. The outlet portion and the wire portion are separated by an insulating separator and provided separately. In addition, a bushing having a cross-shaped cut groove, a bushing having a radial cut groove from the center, or the like is used.
JP 2001-307818 A (FIGS. 1 and 2)

  However, in a waterproof outlet that has not only an outlet part but also a wiring part for passing an electric wire, the outlet part and the wiring part are separated by an insulating separator and are provided separately. Since the bushing in the part must be separately attached to the main body, the workability of the attachment work is poor. Moreover, the main body rib for attaching the outlet part and the bushing in the wiring part must be provided separately.

  On the other hand, with a conventional bushing having a cross-shaped cut groove or a radial cut groove, for example, if the wire is biased above the bushing after passing the wire, the bushing is rolled up and the degree of adhesion decreases, resulting in a waterproof outlet. It becomes easy for foreign matter to enter inside.

  The objective of this invention is providing the waterproof outlet which can perform the assembly operation | work of an outlet part and a wiring part easily, and can improve the close_contact | adherence of a bushing.

  A waterproof outlet according to the invention of claim 1 is a waterproof outlet main body used by being attached to a construction surface on the outdoor side through which a power line and an electric wire extending between the outside and the indoor are passed; and a power source built in the main body An integrated outlet cover for covering the outlet outlet of the wire outlet and the wiring part through which the electric wire inside the main body is passed; and a bushing for tightly attaching the electric wire passed through the wiring part A bushing pressing portion that holds the bushing and is detachably attached to the insertion port cover; an insulating separator portion formed of an independent part that partitions the wire portion and the outlet portion inside the main body; It is provided with.

  In the present invention and the following inventions, definitions and technical meanings of terms are as follows unless otherwise specified. The waterproof outlet is used by being connected to a construction surface on the outdoor side through which a power line and an electric wire extending between the outdoors and the indoor are passed. A through hole is provided between the outdoor and indoor, and a power line and an electric wire are passed through the through hole.

  The body of the waterproof outlet has a built-in outlet section for supplying power and a wiring section for connecting the wires, so that the outlet of the outlet section and the wiring section are not directly exposed to the outside. The outlet part of the outlet part and the connecting part are arranged in a diagonally downward direction and are formed so as to cover the upper part with the main body.

  The outlet cover covers the outlet outlet of the outlet part of the power line built into the main unit and the inlet side of the main unit's internal wiring part. It is integrally formed with one member for the mouth. This insertion port cover prevents foreign matter from entering the inside of the main body from the outside.

  The bushing is for tightly attaching the electric wire to be passed to the wiring portion through which the electric wire passes, and has a cut groove for passing the electric wire, for example, formed of a rubber member having elasticity or flexibility Is done. The cut groove may be either a cross-shaped cut groove or a radial cut groove. The bushing pressing portion is detachably attached to an insertion port cover that is formed integrally with the bushing.

  The insulating separator portion secures an insulating distance between the outlet portion to which the power line is connected and the wire portion through which the electric wire is passed, and is formed of an independent component. And it attaches between the wiring part inside a main body and an outlet part after the attachment operation | work of an outlet part or a wiring part, and partitions an outlet part and a wiring part.

  According to the present invention, the outlet cover that covers the outlet portion and the wiring portion is formed integrally with a single member, and the insulating separator portion is formed as an independent component, and the main body after the mounting operation of the outlet portion and the wiring portion is performed. Since it is mounted between the internal wire portion and the outlet portion, the attachment work between the wire portion and the outlet portion is an assembly in a relatively wide range. In addition, it becomes possible to attach the outlet cover to the main body after forming the outlet portion or the bushing of the wire portion in the outlet cover, and the workability is improved.

  The waterproof outlet according to a second aspect of the present invention is the waterproof outlet according to the first aspect, wherein the bushing pressing portion fixes the bushing and a claw portion for detachably mounting on the engaging portion of the insertion port cover. And a fixing rib.

  The nail | claw part of a bushing pressing part engages with the latching | locking part of an insertion port cover, and is attached to an insertion port cover so that attachment or detachment is possible. The fixing rib of the bushing pressing portion passes through the fixing hole provided in the bushing and fixes the bushing.

  According to the present invention, the insertion port cover is integrally formed with a single member so as to cover the outlet portion and the wire portion, and is engaged with the claw portion of the bushing pressing portion at the portion where the wire portion is located. Since the stop portion is provided, there is no need to provide a main body rib for fixing the bushing pressing portion.

  A waterproof outlet according to a third aspect of the invention is characterized in that, in the second aspect of the invention, the bushing pressing portion is provided with a reinforcing rib for preventing displacement of the mounting position on the insertion port cover.

  The reinforcing ribs of the bushing presser part pass through the fixing hole provided in the bushing to fix the bushing, and the tip part is inserted into the mounting hole of the insertion cover, and to the insertion cover of the bushing presser part Make the mounting of the firm.

  According to the present invention, since the reinforcing rib of the bushing pressing portion is inserted into the mounting hole of the insertion port cover, the bushing pressing portion is less displaced from the insertion port cover, and the fixing force is also improved. Therefore, even when the electric wire is passed through the bushing and the electric wire is in a biased position in the bushing pressing portion, the bushing pressing portion can be prevented from being displaced with respect to the insertion port cover and can be kept in close contact with the bushing.

  The waterproof outlet according to a fourth aspect of the present invention is the waterproof outlet according to any one of the first to fourth aspects, wherein the bushing has a cut groove for passing the electric wire and corresponds to the diameter of the electric wire. And a substantially circular bridging portion for bridging the cut groove.

  The bridging portion of the bushing is formed in a substantially circular shape by bridging the cut groove at a position corresponding to the diameter of the electric wire. Therefore, the outer peripheral surface of the electric wire is held by the bridging portion when the electric wire is passed through the bushing through the wiring portion.

  According to the present invention, since the outer peripheral surface of the electric wire is held by the bridging portion of the bushing, the electric wire can be prevented from being biased to any of the bushings, and the bushing can be prevented from being rolled and the adhesion degree being lowered.

  According to the first aspect of the present invention, the outlet cover that covers the outlet portion and the wiring portion is integrally formed of one member, and the insulating separator portion is formed of an independent part so that the outlet portion and the wiring portion are attached. Since it is mounted between the wire portion and the outlet portion inside the main body after the work, the attachment work between the wire portion and the outlet portion is an assembly in a relatively wide range. In addition, it becomes possible to attach the outlet cover to the main body after forming the outlet portion or the bushing of the wire portion in the outlet cover, and the workability is improved.

  According to the invention of claim 2, the insertion port cover is integrally formed so as to cover the outlet portion and the wire portion with a single member, and is engaged with the claw portion of the bushing pressing portion at the portion where the wire portion is located. Since the engaging portion to be joined is provided, it is not necessary to provide a main body rib for fixing the bushing pressing portion.

  According to the invention of claim 3, since the reinforcing rib of the bushing pressing portion is inserted into the mounting hole of the insertion port cover, the bushing pressing portion is less displaced from the insertion port cover and the fixing force is also improved. Therefore, even when the electric wire is passed through the bushing and the electric wire is in a biased position in the bushing pressing portion, the bushing pressing portion can be prevented from being displaced with respect to the insertion port cover and can be kept in close contact with the bushing.

  According to invention of Claim 4, since the outer peripheral surface of an electric wire is hold | maintained by the bridging part of a bushing, it can prevent that an electric wire is biased to either of bushings, and can suppress that a bushing falls and adhesiveness falls. .

  FIG. 1 is a schematic diagram of an internal configuration of a side of a waterproof outlet according to an embodiment of the present invention, FIG. 2 is a front view of the waterproof outlet as viewed from the direction A in FIG. 1, and FIG. FIG. 4 is a plan view of the outlet of the waterproof outlet as viewed from the direction C in FIG.

  The waterproof outlet 11 is configured such that an outlet portion 13 and an outlet cover 14 are built in a main body 12. The back side of the main body 12 is attached to the outdoor side construction surface, and a power line from the building is connected to the inside of the main body 12 of the waterproof outlet 11 through the through hole of the building.

  On the back side of the outlet portion 13, as shown in FIG. 3, there are a pair of power terminal insertion holes 15 for connecting power lines, and a ground electrode terminal insertion hole 16. In addition, a line portion 18 is formed adjacent to the outlet portion 13 and partitioned by an insulating separator portion 17. The insulating separator portion 17 is formed as an independent component that partitions the wire portion 18 inside the main body 12 and the outlet portion 13, and is fixed to the outlet portion 13 with screws 10. Further, as shown in FIG. 1, a ground conductor portion 19 is drawn from the back side of the ground electrode terminal insertion hole 16 of the outlet portion 13, and the ground conductor portion 19 is connected to the ground wire mounting terminal 20. A ground wire is connected to the attachment terminal 20.

  As shown in FIG. 4, an insertion port cover 14 that covers the front side of the outlet portion 13 and the wiring portion 18 is provided on the front side of the outlet portion 13 and the wiring portion 18. The insertion port cover 14 has an insertion through hole 21 for inserting the power plug blade of the power plug into the outlet insertion port of the outlet portion and an insertion through hole for inserting the plug blade for the grounding electrode into the ground insertion port. 22, and a recess in which a bushing pressing portion 24 for holding a bushing 23 for tightly attaching an electric wire to be connected to the wiring portion 18 is provided. FIG. 4 shows a state in which the bushing pressing portion 24 holding the bushing 23 is attached to the concave portion. The main body 12 is provided with a cord pressing portion 25 for holding the electric wire.

  5 is a front view of the insertion port cover 14, FIG. 6 is a rear view of the insertion port cover 14, and FIG. 7 is a side view of the insertion port cover 14 viewed from the direction D of FIG.

  The outlet cover 14 covers the outlet outlet of the outlet portion 13 of the power supply line built in the main body 12 and the outlet side of the wiring portion 18 inside the main body 12, and the front side of the outlet portion 13. An insertion through-hole 21 and an insertion through-hole 22 are provided in the portion that covers the inner surface, and a concave portion 26 in which the bushing pressing portion 24 is mounted is provided in the portion that covers the front side of the through-wire portion 18. Yes.

  A through-hole 27 for passing an electric wire is provided at the center of the recess 26, and the bushing 23 held by the bushing pressing portion 24 is located at a position covering the through-hole 17. Further, a locking portion 28 for locking the bushing pressing portion 24 is provided, and a claw portion of the bushing pressing portion 24 is inserted into the locking portion 28 so that the bushing pressing portion 24 is attached to the insertion port cover 14. Will be retained. Furthermore, a mounting hole 29 into which a reinforcing rib for preventing a displacement of the mounting position of the bushing pressing portion 24 to the insertion port cover 14 is provided.

  On the other hand, an insulating partition plate 30 for partitioning the pair of outlet insertion ports of the outlet portion 13 is provided on the back side of the insertion port cover 14, that is, on the inner side of the main body 12 to prevent incompatibility. In this way, the insertion port cover 14 is formed as a single member with respect to the outlet insertion port of the outlet unit 13 and the insertion port of the wiring portion 18, and is formed from the outside by the insertion port cover 14. The entry of foreign matter into the main body 12 is prevented.

  8 is a front view of the insulating separator 17, FIG. 9 is a side view of the insulating separator 17 viewed from the direction E of FIG. 8, and FIG.

  The insulating separator portion 17 secures an insulating distance between the outlet portion 13 to which the power line is connected and the wiring portion 18 to which the electric wire is passed, and is formed of an independent component. Then, the screw 10 is attached to the attachment portion 31 and fixed to the outlet portion 13 after the attachment work of the outlet portion 13 and the wiring portion. As a result, the insulating separator portion 17 is mounted between the wiring portion 18 inside the main body 12 and the outlet portion 13 to partition the outlet portion 13 and the wiring portion 18.

  11 is a front view of the bushing presser 24, FIG. 12 is a side view of the bushing presser 24 seen from the direction F of FIG. 11, and FIG. 13 is a bottom view of the bushing presser 24 seen from the direction G of FIG. 14 is a rear view of the bushing pressing portion 24.

The bushing pressing portion 24 includes a claw portion 32 for detachably attaching to the locking portion 28 of the insertion port cover 14, a fixing rib 33 for fixing the bushing 23,
It has a reinforcing rib 34 for preventing the mounting position shift to the insertion port cover 14, and further has a through hole 35 that faces the through hole 27 of the insertion port cover 14.

  The claw portion 32 of the bushing pressing portion 24 engages with the engaging portion 28 of the insertion port cover 14 and is detachably attached to the insertion port cover 14. Further, the fixing rib 33 of the bushing pressing portion 24 passes through the fixing hole provided in the bushing 23 and fixes the bushing 23.

  The reinforcing rib 34 of the bushing pressing portion 24 passes through the fixing hole provided in the bushing 23 and fixes the bushing 23, and the tip portion thereof is inserted into the mounting hole of the insertion port cover 14. Is firmly attached to the outlet cover 14.

  FIG. 15 is a front view of the bushing 23, and FIG. 16 is a rear view of the bushing 23. The bushing 23 has a cut groove 36 for passing the electric wire, and a substantially circular bridging portion 37 that bridges the cut groove 36 at a position corresponding to the diameter of the electric wire. Further, a fixing hole 38 into which the fixing rib 33 of the bushing pressing portion 24 is inserted and a fixing hole 39 into which the reinforcing rib 34 of the bushing pressing portion 24 is inserted are provided.

  Cut grooves 36 for passing the electric wires are formed in a radial shape, and a bridging portion 37 is formed in a substantially circular shape in the middle of the radial cut grooves 36 on the back side of the bushing 23. The bridging portion 37 is formed by bridging the cut groove 36 at a position corresponding to the diameter of the electric wire. Therefore, the outer peripheral surface of the electric wire is held by the bridging portion 37 when the electric wire is passed through the bushing 23 to the passing portion 18.

  The fixing rib 33 of the bushing pressing portion 24 is inserted into the fixing hole 38, and the reinforcing rib 34 of the bushing pressing portion 24 is inserted into the fixing hole 39 so that the bushing 23 is fixed to the bushing pressing portion 24. In addition, the reinforcing rib 34 of the bushing pressing portion 24 inserted into the fixing hole 39 fixes the bushing 23 to the bushing pressing portion 24, and the tip portion thereof is inserted into the mounting hole of the insertion port cover 14, The part 24 is firmly attached to the insertion port cover 14.

  According to the embodiment of the present invention, the outlet cover 24 that covers the outlet portion 13 and the wiring portion 18 is integrally formed of one member, and the insulating separator portion 17 is formed of an independent component. After the mounting operation of the wiring portion 18 and the outlet portion 13, the mounting portion between the wiring portion 18 and the outlet portion 13 is assembled in a relatively wide range. It becomes. In addition, it is possible to attach the outlet cover 24 to the main body 12 after forming the outlet portion 13 and the bushing 23 of the wiring portion 18 in the outlet cover 24, so that workability is improved.

  Further, since the claw portion 32 is engaged and locked with the locking portion 28 of the insertion port cover 13, the bushing pressing portion 24 does not need to be provided with a main body rib for fixing the bushing pressing portion 24. Further, since the bushing pressing portion 24 is inserted into the mounting hole 29 of the insertion port cover 14 by the reinforcing rib 34, the displacement of the bushing pressing portion 24 with respect to the insertion port cover 14 is reduced, and the fixing force is also improved. Therefore, even when the electric wire is passed through the bushing 23 to the wiring portion 18 and the electric wire is in a biased position in the bushing holding portion 24, the bushing holding portion 24 can be prevented from being displaced from the insertion port cover 14. Can also maintain close contact.

  Furthermore, since the outer peripheral surface of the electric wire is held by the bridging portion 7 of the bushing 23, the electric wire can be prevented from being biased to any of the bushings 23, and the bushing 23 can be curled and the degree of adhesion can be suppressed from being lowered.

The side internal schematic block diagram of the waterproof outlet concerning embodiment of this invention. The front view of the waterproof outlet concerning embodiment of this invention seen from the A direction of FIG. The rear view of the waterproof outlet concerning embodiment of this invention seen from the B direction of FIG. The top view of the insertion port of the waterproof outlet concerning embodiment of this invention seen from the C direction of FIG. The front view of the insertion port cover in embodiment of this invention. The rear view of the insertion port cover in embodiment of this invention. The side view of the insertion port cover in embodiment of this invention seen from the D direction of FIG. The front view of the insulation separator in embodiment of this invention. The side view of the insulation separator in embodiment of this invention seen from the E direction of FIG. The rear view of the insulation separator in embodiment of this invention. The front view of the bushing pressing part in embodiment of this invention. The side view of the bushing press part in embodiment of this invention seen from the F direction of FIG. The bottom view of the bushing holding | suppressing part in embodiment of this invention seen from the G direction of FIG. The rear view of the bushing pressing part in embodiment of this invention. The front view of the bushing in embodiment of this invention. The rear view of the bushing in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Waterproof outlet, 12 ... Main body, 13 ... Outlet part, 14 ... Insert port cover, 15 ... Power supply terminal insertion hole, 16 ... Grounding electrode terminal insertion hole, 17 ... Insulation separator part, 18 ... Connection part, 19 ... Ground conductor 20, ground wire attachment terminal 21, insertion through-hole 22, insertion through-hole 23, bushing 24, bushing pressing section 25, cord pressing section 26, recess 27, through-line penetration Holes 28... Locking portions 29. Mounting holes 30. Insulating partition plates 31. Mounting portions 32. Claw portions 33. Fixing ribs 34. Reinforcing ribs 35. Groove, 37 ... Bridge, 38 ... Fixing hole, 39 ... Fixing hole

Claims (4)

A main body of a waterproof outlet that is used by connecting a power line and an electric wire extending between the outdoors and indoors and being attached to a construction surface on the outdoor side;
An integrated outlet cover that covers an outlet outlet of an outlet portion of a power supply line built in the main body and a wiring portion through which an electric wire inside the main body is passed;
A bushing for closely attaching an electric wire to be connected to the line portion;
A bushing pressing portion that holds the bushing and is detachably attached to the insertion port cover;
An insulating separator portion formed of an independent component that partitions the wire portion and the outlet portion inside the main body;
Waterproof outlet characterized by having. The said bushing pressing part is provided with the nail | claw part for attaching to the latching | locking part of the said insertion port cover so that attachment or detachment is possible, and the fixing rib for fixing the said bushing. Waterproof outlet. 3. The waterproof outlet according to claim 2, wherein the bushing pressing portion includes a reinforcing rib for preventing a displacement of the mounting position on the insertion port cover. The bushing includes a notch groove for passing the electric wire, and a substantially circular bridging portion that bridges the notch groove at a position corresponding to the diameter of the electric wire. Item 5. A waterproof outlet according to any one of Items 1 to 4.

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