JP5886570B2 - Outlet - Google Patents

Description

  The present invention relates to an outlet provided on a wall surface for plugging in and connecting to a power source.

The plug insertion outlet provided on the wall surface has a gap between the insertion hole and the plug terminal, and dust tends to accumulate in the gap. In addition, the accumulated dust is subject to conditions such as moisture and humidity, which may cause electric leakage and cause a fire.
Conventionally, in places that are easily affected by water, such as the outer wall or around the water, the connection surface is faced downward, such as a “waterproof outlet” described in Patent Document 1 below and a “wall dustproof outlet box” described in Patent Document 2 below. A technology has been proposed in which a formed outlet is used, and dust and moisture are prevented from entering a connection portion by surrounding the periphery with a waterproof cover or a lid.

JP 2007-103258 A JP 2008-53195 A

  However, in the case where the plug insertion port is directed downward as in Patent Document 1, the insertion hole cannot be seen from the front, and there is a problem that the plug cannot be smoothly inserted. In addition, in the case where a lid is provided as in Patent Document 2, the lid must be opened and closed one after another in order to insert the plug, and there is a disadvantage that it is troublesome and difficult to use.

  Therefore, the present invention makes it easy to use a plug terminal that can be easily inserted by looking at the hole of the outlet from the front while improving the safety against an electric leakage fire by making the connection portion of the plug difficult to get dust. The purpose is to provide.

  In the invention according to claim 1 in the outlet of the present invention for achieving the above-mentioned object, a) a rectangular opening formed between opposing side surfaces which are entirely embedded in a wall member and erected in parallel. An outlet box opened on the front surface of the wall member 1; b) an opposing side surface that is close to and parallel to the opposing side surface of the outlet box; and a lower side portion of the opening portion of the outlet box between the opposing side surfaces. The upper surface of the outlet box has a radius that is about the width of the top and bottom and is curved in a 1/4 cylindrical shape, the front surface provided with the plug insertion hole, and the plug terminal provided inside the plug insertion hole. Both plug terminal clamping plates to be received, and a pivot support hole provided in a front lower portion of the opposite side surface of the outlet box so that the plug insertion hole can be swung downward from the front side. Set in An outlet comprising a pivoting shaft pivotally supported on the pivot shaft, and c) both energized contacts exposed at least at the top of the box on the opposite side of the outlet box, and opposed to both energized contacts An energizing contact that is exposed at the rear of the opposite side of the sliding outlet so that it can be contacted; and d) a power transmission circuit that connects both plug terminal clamping plates of the sliding outlet and the energizing contacts, and the outlet And a power transmission circuit in which both power supply contacts of the box are connected to both power supply line connecting portions for connection to the power cord.

  In the invention described in claim 2, in the above-mentioned invention, a) the pivot support hole of the outlet box is a pivot support hole which is long in the front-rear direction, and the pivot shaft of the peristaltic outlet is loosely fitted in the pivot support hole. And a spring attached to the pivot shaft so as to rotate the swing outlet forward, and b) when the swing outlet is rotated to the front side by the bias of the spring. An upper stopper provided on the outlet box so that the plug insertion hole of the outlet is stopped downward, a protrusion on the rear surface of the automatic outlet provided so as to be hooked on the upper stopper, and c) the automatic outlet A lower stopper provided at the lower part of the outlet box so that the plug insertion hole of the peristaltic outlet faces the front when stopped against the bias of the spring toward the rear side, and the lower stopper A protrusion on the inner side of the rear surface of the perforated outlet provided in correspondence, and d) between the rear portion of the peristaltic outlet and the outlet box, with the plug insertion hole of the perforated outlet facing the front, And a leaf spring provided so as to be pushed out.

  According to a third aspect of the present invention, in each of the above inventions, a terminal fixing portion for fixing both plug terminal clamping plates is provided in the sliding outlet, and the terminal fixing portion protrudes from the front surface of the sliding outlet to a certain distance. In addition to providing the sliding means that can be enabled, both power transmission circuits are provided with an expansion / contraction power transmission circuit that can expand and contract following the movement of the terminal fixing portion.

  According to a fourth aspect of the present invention, in each of the above inventions, the energizing contact of the outlet box is formed so as to be in contact with the energizing contact of the peristaltic outlet so as to be narrowed to the peristaltic upper limit or peristalized from the peristaltic upper limit. It is characterized by being widely formed in the range up to the lower limit.

  The invention according to claim 5 is characterized in that in each of the above inventions, a switch for turning on and off the connection of both power transmission circuits is provided on the upper surface of the peristaltic outlet.

  The invention according to claim 6 is characterized in that, in each of the above inventions, a lamp is provided on the upper surface of the peristaltic outlet so that both power transmission circuits are turned on when in contact with the current-carrying contacts and are turned off when not in contact. To do.

  The invention according to claim 7 is characterized in that, in each of the above inventions, a lid surrounding the peristaltic outlet protruding from the opening portion is provided in the outlet box so as to be opened and closed.

In the outlet according to the present invention, the front surface provided with the plug insertion hole of the peristaltic outlet becomes a wall surface before the plug is inserted and does not protrude from the wall surface.
And when inserting a plug, since it inserts reliably, seeing a plug insertion hole in front from the wall surface, insertion work can be performed easily.
After insertion, the peristaltic outlet is rotated downward by the bias of the spring. Accordingly, the gap that can be formed in the connection portion is sideways and hidden under the peristaltic outlet, so that it is difficult for dust to enter the plug terminal.

In the second aspect of the present invention, when the plug is inserted against the leaf spring, the peristaltic outlet is pushed rearward and the lower stopper is automatically removed. The peristaltic outlet is rotated so that the plug insertion hole faces downward by the bias of the spring mounted on the pivot shaft.
When not in use, remove the plug, rotate the automatic outlet backward by hand and put it back into the outlet box, the projection will be hooked on the lower stopper, and the automatic outlet will be pushed forward by the leaf spring and The protrusion is securely locked to the stopper.
That is, if the plug is simply pushed and inserted, it will come off the lower stopper and release the hand, so that the peristaltic outlet will rotate forward and the plug will be suspended downward.
When unplugging the plug, if the automatic outlet with the plug inserted is raised, the automatic outlet is pushed by the leaf spring and hooked on the lower stopper, making it easy to pull out with the plug insertion hole facing the front. .

  In the invention according to claim 3, when the electric cord connected to the plug is accidentally hung on the leg and pulled during walking, the terminal fixing portion that fixes both plug terminal clamping plates of the peristaltic outlet protrudes from the peristaltic outlet, and the pulling force To ease. For this reason, the plug terminal does not come out of both the plug terminal clamping plates, the connection is maintained, and the power source is not easily cut off. For this reason, the worry that the power is suddenly cut off during use of the personal computer and the work data is lost is solved.

In the invention according to claim 4, by limiting the energizing contact to the swing upper limit, current does not flow unless the plug insertion hole is directed downward, so that the user is in a state where the plug insertion hole is directed downward. Safe use will be forced.
Further, when the energizing contact is provided in a wide range from the upper limit of the swing to the lower limit of the swing, a current flows everywhere from the plug insertion hole to the front-facing state. For this reason, the plug insertion hole can be used even in the front direction, and an adapter with an insertion plug can be directly used, thereby improving usability.

  According to the fifth aspect of the present invention, it is possible to turn on / off the electric appliance without removing the plug while the plug of the electric appliance is connected to the outlet.

  According to the sixth aspect of the invention, the lamp is turned on when electricity can be connected to the outlet, so that the electric product can be used while checking the light of the lamp with the eyes.

  According to the seventh aspect of the invention, since the cover covering the outlet portion covers the entire outlet and dust can be prevented from entering the outlet, the safety can be further improved.

It is a vertical side view which shows the state which has not inserted the plug of this invention. It is a vertical side view which shows the state which has inserted and used the plug of this invention. It is a vertical side view which shows the state which is inserting and using the plug of another form. It is a vertical side view which shows the state which is inserting and using the plug of another form. It is a vertical perspective view which shows an outlet box. (B) of a peristaltic outlet is a perspective view seen from an oblique front, and (b) is a perspective view seen from an oblique rear. The state where the plug of another form is inserted and used is shown (a) shows a state where the insertion fixing part does not protrude, and (b) shows each longitudinal side view showing the state where the insertion fixing part protrudes. is there. It is the perspective view seen from the back surface of an outlet box. (A) of the form provided with the lid | cover shows the state which closed the lid | cover, (b) is a perspective view which shows the state which opened the lid | cover.

Embodiments of the present invention will be described below.
As shown in FIG. 1, FIG. 5 and FIG. The formed rectangular opening 2f is opened in the front face 1a of the wall member 1 and can be accommodated in the outlet box 2. As shown in FIGS. 2 and 6, a plug insertion hole 5 is provided. A pivot provided in the lower front part of the opposite side surfaces 3a, 3b in the pivot hole 22 provided in the lower front part of the opposite side surfaces 2a, 2b of the outlet box 2 so that the front surface 3d can swing downward from the front side. It is comprised with the peristaltic outlet 3 which pivotally supported the axis | shaft 23. FIG.

  The outlet box 2 is fixed to the wall member 1 by forming a flange 30 having a screw hole 31 around the opening 2f, and the wall member 1 is inserted into the wall member 1 from the room side with a wall fixing screw 32. However, before the wall member 1 is stretched on the wall, a flange provided with a screw hole 31 is provided on the rear surface 2e side of the outlet box 2 so that the wall member 1 can be fixed to the stud or stud which is the base. For example, it is possible to select an optimum structure from the wall structure and the wall construction procedure.

As shown in FIGS. 1 and 6, the peristaltic outlet 3 includes an opposing side surface 3 a, 3 b that stands close to and parallel to the opposing side surface 2 a, 2 b of the outlet box 2, and the opposing side surface 3 a, 3 b A curved upper surface 3c curved in a 1/4 cylindrical shape with a radius about the vertical width of the opening 2f of the outlet box 2 around the lower side of the opening 2f of the outlet box 2 and a plug insertion hole 5 are provided. As shown in FIG. 2, the front surface 3 d has a plug terminal clamping plate 6 that receives the plug terminals sandwiched between the plug insertion holes 5. And the protrusion part 34 is provided in the boundary of the said curved upper surface 3c and the rear surface 3e.
The plug terminal clamping plates 6a and 6b are bent into a U shape, and are formed by bending a plate of elasticity such as brass that can be inserted into each terminal Pa portion of the plug P. The plug terminal clamping plate fixing screw 12 To fix to the insertion fixing part 4.
Further, the front and lower portions of the opposite side surfaces 3a and 3b are provided in the pivot hole 22 provided in the lower front portion of the opposite side surfaces 2a and 2b of the outlet box 2 so that the plug insertion hole 5 can be swung downward from the front side. The pivot shaft 23 provided on the pivot is pivotally supported.
FIG. 1 shows a state in which no plug is inserted, and FIG. 2 shows that the plug insertion hole 5 of the peristaltic outlet 3 is in a downward state when the plug terminal Pa is inserted into the plug terminal clamping plates 6a and 6b. It is shown that.

  Also, as shown in FIG. 8, the plate-like current-carrying contacts 8a and 8b are slightly swollen from the surface of the opposing side surfaces 2a and 2b by exposing at least the upper part of the opposing side surfaces 2a and 2b of the outlet box 2. As shown in FIGS. 1 and 6, the disk-shaped energizing contacts are exposed at the rear portions of the opposed side surfaces 3a and 3b of the peristaltic outlet 3 so as to be able to come into contact with both the energizing contacts 8a and 8b. 9a and 9b are provided in a slightly swollen state from the surfaces of the opposing side surfaces 3a and 3b.

Further, as shown in FIG. 1, both plate-shaped power transmission circuits 10a and 10b in which both plug terminal clamping plates 6a and 6b of the peristaltic outlet 3 are connected to the both current-carrying contacts 9a and 9b are shown in FIG. As described above, the plate-shaped power transmission circuits 11a and 11b connected to the power supply contacts 8a and 8b of the outlet box 2 and the power supply line connecting portions 13a and 13b for connecting to the external cord are provided. In addition, since these power transmission circuits 10a and 10b and both power transmission circuits 11a and 11b are for energization, they are not limited to a plate shape, and an electric cord may be used.
As shown in FIG. 8, both the power line connecting portions 13a and 13b have a space above the curved upper surface 3c of the peristaltic outlet 3, so that the rear upper part of the outlet box 2 is recessed using the space. Can be provided in the interior. And it connects with the power cords 14a and 14b of indoor wiring by the both power line connecting portions 13a and 13b.

As shown in FIGS. 2 and 5, the pivot support hole 22 of the outlet box 2 forms a long pivot support hole 22 in the front and rear, and the pivot support shaft 23 of the peristaltic outlet 3 is loosely fitted in the pivot support hole 22. To do. Then, the spring 15 biased so as to rotate the peristaltic outlet 3 forward is attached to the pivot shaft 23.
The spring 15 is mounted by providing a coil spring 15 so as to wind the pivot shaft 23, fixing one end of the spring 15 to the swing outlet 3 and fixing the other end to the outlet box 2.

  Also, as shown in FIGS. 2 and 3, when the peristaltic outlet 3 is rotated to the front side by the bias of the spring 15, the plug insertion hole 5 of the peristaltic outlet 3 is stopped downward. A stepped upper stopper 17 provided in the outlet box 2 is provided. Then, a step-like protrusion 16 on the outside of the rear surface 3e of the peristaltic outlet 3 is provided so as to be hooked on the upper stopper 17, so that both step surfaces abut against each other.

  Further, as shown in FIG. 1, when the peristaltic outlet 3 is rotated to the rear side against the bias of the spring 15, the plug insertion hole 5 of the peristaltic outlet 3 faces the front and stops. A step-like lower stopper 19 is provided at the lower part of the outlet box 2 so as to cause this to occur. Then, a step-like projection 18 inside the rear surface 3e of the peristaltic outlet 3 is provided so as to be engaged with the lower stopper 19, so that both step surfaces abut against each other.

Further, as shown in FIG. 1, between the rear portion of the peristaltic outlet 3 and the outlet box 2, the perforated outlet 3 is pushed forward with the plug insertion hole 5 of the peristaltic outlet 3 facing forward. The leaf spring 21 is provided inside the rear surface 2e of the outlet box 2 by energizing.
Corresponding to the leaf spring 21, as shown in FIG. 6, a spring escape groove 24 is provided in the middle of the protrusion 16 on the outer side of the rear surface 3e of the swing outlet 3 provided at the rearmost portion of the curved upper surface 3c of the swing outlet 3. The leaf spring 21 can slide smoothly while pressing the curved upper surface 3 c of the peristaltic outlet 3.

The present invention is an outlet having the above structure, and when not in use, the front surface 3d provided with the plug insertion holes 5a and 5b of the peristaltic outlet 3 becomes the wall surface 1 and the surface as shown in FIG. It does not protrude from the wall front surface 1a. And when inserting the plug P, it can insert reliably, seeing the plug insertion holes 5a and 5b from the front in front of the wall surface.
After inserting the plug 5, as shown in FIG. 2, the peristaltic outlet 3 can be rotated so that the plug insertion holes 5a and 5b face downward. For this reason, the gap that can be formed in the connecting portion is lateral and hidden under the peristaltic outlet 3, so that it is difficult for dust to enter the plug terminal Pa.

In use, when the plug P is inserted into the plug insertion hole 5 against the leaf spring 21 provided in the outlet box 2, the peristaltic outlet 3 is pushed backward so that the protrusion 18 extends from the lower stopper 19. It comes off automatically. The swing outlet 3 is rotated so that the plug insertion hole 5 faces downward by the bias of the spring 15 attached to the pivot shaft 23.
When not in use, when the plug P is pulled out and the peristaltic outlet 3 is rotated back by hand and returned into the outlet box 2, the protrusion 18 is hooked on the lower stopper 19, and the peristaltic outlet 3 is moved to the leaf spring 21. Thus, the protrusion 18 is securely locked to the lower stopper 19 by being pushed forward.

Thus, if the plug P is simply pushed and inserted into the plug insertion hole 5, the protrusion 18 is detached from the lower stopper 19, and if the hand is released as it is, the swing outlet 3 is rotated forward by the bias of the spring 15, and the plug P and the electric cord hang down.
Further, when pulling out the plug P, if the peristaltic outlet 3 is lifted by holding the hanging plug P, the peristaltic outlet 3 is pushed by the leaf spring 21 when it is raised to the upper limit, and the protrusion 18 is hooked on the lower stopper 19 so that the plug If the state where the insertion hole 5 is directed to the front is maintained and the plug P is pulled horizontally in that state, the plug P can be easily pulled out from the peristaltic outlet 3.

In addition to this, as shown in FIG. 7, a form in which the terminal fixing portion 4 can protrude is possible.
In this embodiment, a terminal fixing portion 4 for fixing both plug terminal clamping plates 6a and 6b is provided in the peristaltic outlet 3, and a sliding means that can project from the front surface of the peristaltic outlet 3 to a certain distance is provided on the terminal fixing portion 4. In addition, both the power transmission circuits 10a can be provided with a telescopic power transmission circuit 27a that can be expanded and contracted following the movement of the terminal fixing portion 4.

Further, the current-carrying contacts 8a and 8b of the outlet box 2 are opposed to the current-carrying contacts 9a and 9b of the peristaltic outlet 3 so as to come into contact with each other, and as shown in FIG. Thus, it can form widely in the range from a swing upper limit to a swing lower limit.
When it is formed narrowly at the swing upper limit, as shown in FIG. 1, the current contacts 8 and 9 are limited to the swing upper limit, so that no current flows unless the plug insertion hole 5 faces downward. Therefore, safe use in a state where the plug insertion hole 5 faces downward is forced.
In the case where it is widely formed in the range from the upper limit to the lower limit of the swing, as shown in FIG. 3, if the energizing contact 8c is provided in a wide range from the upper limit to the lower limit of the swing, the plug insertion hole 5 is moved from the downward direction to the front. Current flows everywhere in the orientation. For this reason, the plug insertion hole 5 can be used even in the front direction, and an adapter with an insertion plug having a wide mounting surface of the plug terminal can be directly used, which improves usability. It becomes possible.

  Moreover, as shown in FIG. 4, the switch 25 which turns on / off the connection of both power transmission circuit 10a, 10b is provided in the upper surface 3c of the peristaltic outlet 3. As shown in FIG. Then, it is possible to turn on / off the power supply of the electric appliance without removing the plug P while the plug of the electric appliance is connected with the switch 25.

In addition, as shown in FIG. 4, the lamps 26 on the upper surface 3c of the peristaltic outlet 3 connected in parallel between the power transmission circuits 10a and 10b are turned on while both the power transmission circuits 10a and 10b are in contact with the energizing contacts 8a and 8b. It is possible to provide a small lamp 26 that is turned off when the power transmission circuits 10a and 10b are not in contact with each other.
In this embodiment, when the electricity can be connected, the lamp 26 is turned on, so that the electric product can be used while checking the light of the lamp 26 with the eyes.

As shown in FIG. 9, a plastic lid 35 surrounding the peristaltic outlet 3 protruding from the opening 2 f can be provided in the outlet box 2 so as to be opened and closed by a hinge 36 provided at the upper part of the outlet box 2.
By providing this lid, the entire outlet can be covered and dust can be prevented from entering into the outlet box 2, so that safety is further improved.
At this time, a groove lid 37 is provided on the lower surface of the lid 35 and a plug through hole 38 is provided at the center so that the plug can be inserted through the lid surface. By doing so, the function of preventing the entry of dust can be further enhanced.
In addition, although the aspect which opens and closes by the hinge 36 was shown in FIG. 9, various aspects, such as a slide type and a double door opening, are possible for the opening / closing structure of a lid.

  The outlet of the present invention can be used not only for the inner wall but also for the outer wall by selecting the member to be used and enhancing the waterproofness.

DESCRIPTION OF SYMBOLS 1 Wall member 1a Front surface of wall member 2 Outlet box 2a Outlet box side 2b Outlet box side 2c Outlet box upper surface 2d Outlet box lower surface 2e Outlet box rear surface 2f Outlet box opening 3 Permanent outlet 3a Permanent outlet side 3b Side surface of automatic outlet 3c Curved upper surface of automatic outlet 3d Front surface of automatic outlet 3e Rear surface of automatic outlet 4 Plug fixing part 5 Plug insertion hole 5a Plug insertion hole 5b Plug insertion hole 6 Plug terminal clamping plate 6a Plug terminal clamping Plate 6b Plug terminal clamping plate 7 Pivot 8a Current contact 8b Current contact 9a Current contact 9b Current contact 10a Power transmission circuit 10b Power transmission circuit 11a Power transmission circuit 11b Power transmission circuit 12 Plug terminal clamping plate fixing screw 13a Electrical cord Connecting screw 13b Electric cord connecting screw 14a Power cord 14b Power cord 15 Spring 16 Protrusion 17 Upper stopper 18 Protrusion 19 Lower stopper 20 Fixing screw 21 Leaf spring 22 Pivoting hole 23 Pivoting shaft 24 Spring escape groove 25 Switch 26 Lamp 27 Telescopic power transmission Circuit 28 Slide guide 29 Slider 30 Flange 31 Screw hole 32 Wall fixing screw 33 Protruding portion storing groove 34 Protruding portion 35 Lid 36 Hinge 37 Groove lid 38 Plug through hole P Plug Pa Plug terminal

Claims (7)

a) an outlet box in which the whole is embedded in the wall member, and a rectangular opening formed between opposed side surfaces standing in parallel is opened on the front surface of the wall member 1;
b) An opposite side surface upright and parallel to the opposite side surface of the outlet box, and a radius approximately equal to the vertical width of the opening portion of the outlet box centered on the lower side of the opening portion of the outlet box between the opposite side surfaces The plug has a top surface curved in a cylindrical shape, a front surface provided with a plug insertion hole, and both plug terminal clamping plates received by sandwiching a plug terminal provided inside the plug insertion hole. A peristaltic outlet that pivotally supports a pivot shaft provided at a front lower portion of the opposite side surface in a pivot hole provided at a front lower portion of the opposite side surface of the outlet box so that the insertion hole can be swung downward from the front side; Is an outlet consisting of
c) Energized contacts exposed at the rear of the opposed side surface of the peristaltic outlet so as to be able to contact both energized contacts and exposed to at least the upper portion of the box on the opposite side surface of the outlet box. Contacts,
d) Double power transmission in which both power transmission circuits connecting both plug terminal clamping plates of the peristaltic outlet and the two current-carrying contacts and both power-supply contacts for connecting to the power cord and the two current-carrying contacts of the outlet box are connected. Circuit,
Outlet characterized by having. a) The support box has a pivotal support hole that is long in the front and rear direction. A spring attached by being biased to,
b) An upper stopper provided on the outlet box so that the plug outlet hole of the peristaltic outlet is stopped downward when the peristaltic outlet is rotated to the front side by the bias of the spring; A protrusion on the outside of the rear surface of the peristaltic outlet that is provided so as to hang,
c) A lower stopper provided at the lower part of the outlet box so that the plug outlet hole of the peristaltic outlet stops toward the front when the peristaltic outlet is rotated to the rear side against the bias of the spring. And a protrusion on the inner side of the rear surface of the peristaltic outlet provided to correspond to the lower stopper,
d) a leaf spring provided between the rear portion of the peristaltic outlet and the outlet box, with the plug insertion hole of the peristaltic outlet facing forward, and biased so as to push the peristaltic outlet forward;
The outlet according to claim 1, further comprising:   A terminal fixing portion for fixing both plug terminal clamping plates is provided in the peristaltic outlet, and a sliding means is provided on the terminal fixing portion so as to be able to protrude from the front surface of the peristaltic outlet to a certain distance. The outlet according to claim 1 or 2, further comprising an expansion / contraction power transmission circuit that can be expanded and contracted following movement.   The energizing contact of the outlet box is opposed to the energizing contact of the peristaltic outlet so as to be able to come into contact, and is narrowly formed at the upper limit of the swing or widely formed within the range from the upper limit of the swing to the lower limit of the swing. Outlet described in any of the above.   The outlet according to any one of claims 1 to 4, wherein a switch for turning on and off the connection of both power transmission circuits is provided on an upper surface of the peristaltic outlet.   The outlet according to any one of claims 1 to 5, wherein a lamp is provided on the upper surface of the peristaltic outlet so that both power transmission circuits are turned on when in contact with the energizing contact and are turned off when not in contact.   The outlet according to any one of claims 1 to 6, wherein a lid surrounding the peristaltic outlet protruding from the opening is provided on the outlet box so as to be openable and closable.

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