JP5047313B2 - Cable removal prevention structure - Google Patents

Description

  The present invention relates to a cable disconnection prevention structure, and more particularly to a cable disconnection prevention structure that is effective for preventing a cable such as a power cable connected to an outlet provided on a wall surface of a building or the like via a plug.

  On the wall surface of a building, etc., an outlet connected to a power source such as a commercial power source is exposed. By connecting a power cable of an electrical device to this outlet via a plug, the power source such as a commercial power source can be connected. Electric power is supplied to the electrical equipment via the power cable.

  When using an electrical device connected to the outlet as described above, the power cable plug may be disconnected from the outlet due to some reason (such as accidentally getting a foot caught in the power cable, mischief, etc.) The supply of power from the power supply may be suddenly cut off, which may cause problems with electrical equipment.

  For this reason, it is necessary to prevent the power cable plug from being disconnected from the outlet and to prevent the supply of power from the commercial power source from being cut off by some method when using the electric device.

  Examples of a method for preventing a cable from coming out from an outlet are described in Patent Documents 1 and 2. In the method for preventing disconnection described in Patent Document 1, a pair of housings that are openably / closably connected via an opening / closing means are used, and the pair of housings are arranged so as to surround a plug connected to an outlet, and the cable passages of both housings are connected. By passing the cable through the hole and closing both housings in this state and fixing them to the wall with screws, the power supply from the power supply is cut off due to the plug being disconnected from the outlet. .

  In addition, in the method for preventing disconnection described in Patent Document 2, a claw that can be elastically deformed is provided on the plug side, a claw that can be hooked on the plug side is provided on the outlet side, and the plug is inserted into the outlet. The plug side claw is elastically deformed and hooked on the outlet side claw, thereby preventing the plug from being detached from the outlet.

Japanese Patent Laid-Open No. 10-92511 JP 2003-142202 A

  By the way, the method for preventing the disconnection described in Patent Document 1 can prevent the plug from coming off from the outlet when the cable is accidentally hooked on the cable, but the screws fixing both housings are easily removed. Therefore, it is difficult to prevent the plug from being pulled out from the outlet due to mischief. In addition, since the plug side claw is only locked to the outlet side claw, the plug prevention method described in Patent Document 2 can be easily removed from the outlet when a foot is accidentally caught on the cable or by mischief. It will be pulled out.

  The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a cable disconnection prevention structure that can prevent a plug from being pulled out from an outlet due to mischief or the like.

In order to solve the above problems, the present invention employs the following means.
That is, the present invention is a structure for preventing a cable connected to an outlet via a plug from being pulled out of the outlet by interfering with the plug on the back side of the plug inserted into the outlet. A restricting means movably provided between a first position that prevents the plug from being pulled out and a second position that allows the plug to be pulled out of the outlet; and Locking means for locking in position, the outlet is provided on the bottom surface of the recess, and the restricting means is provided so as to be openable and closable so as not to interfere with the cable when the opening of the recess is closed The first position is a position where the opening / closing means closes the opening, and the second position is a position where the plug is removed from the outlet. The switching means so as to be able to Nuku can be at least partially open position said opening portion, said closing means comprises a shutter for opening and closing the opening of the recess provided in the wall surface, said locking means Is provided with a lock pin which is provided so as to be able to advance and retreat in a direction orthogonal to the wall surface, the tip is locked to a part of the inner surface side of the shutter, and the shutter locks the opening of the recess closed. It is characterized by that.

According to the cable disconnection preventing structure of the present invention, the cable is connected to the outlet via the plug, and in this state, the regulating means is moved to the first position, and the regulating means is locked to the first position by the locking means. By doing so, the plug and the regulating means interfere on the back side of the plug, and the plug is prevented from being pulled out from the outlet. Further, by releasing the locked state of the restricting means by the lock means and moving the restricting means from the first position to the second position, the plug is allowed to be pulled out from the outlet. Therefore, the plug cannot be pulled out from the outlet unless the locking means is unlocked by the locking means and the regulating means is moved from the first position to the second position, so that the plug is pulled out from the outlet due to mischief or the like. Can be prevented.
Further, by connecting the cable to the outlet via the plug and moving the opening / closing means to the first position for closing the opening of the recess in this state, the plug and the opening / closing means interfere on the back side of the plug, and the plug Is prevented from being pulled out of the outlet. Further, by moving the opening / closing means from the first position to the second position where the opening of the recess is at least partially opened, the interference state between the plug and the opening / closing means is released, and the plug can be pulled out from the outlet. it can.
Further, a cable is connected to the outlet via a plug, and in this state, the shutter is moved to the first position for closing the opening of the recess, the tip of the lock pin is locked to the inner surface side of the shutter, and the shutter is By locking the opening in the closed state, the plug and the shutter interfere with each other on the back side of the plug, and the plug is prevented from being pulled out from the outlet. Further, the locking state of the front end of the lock pin on the rear surface side of the shutter is released, and the shutter is moved from the first position to the second position where the opening of the recess is at least partially opened. The state of interference with the shutter is released, and the plug can be pulled out from the outlet.

  Furthermore, in the present invention, the shutter is provided with a slit-shaped insertion portion through which the cable is inserted, and the peripheral portion of the insertion portion on the inner surface side of the shutter in a state where the cable is inserted into the insertion portion. And the back side of the plug interfere with each other so that the plug is prevented from being pulled out.

  According to the cable disconnection preventing structure of the present invention, the cable is connected to the outlet via the plug, and in this state, the shutter is moved to the first position where the opening of the recess is closed, whereby the shutter insertion portion is connected to the cable. Is inserted, and the peripheral portion of the insertion portion on the inner surface side of the shutter and the back side of the plug interfere with each other on the back side of the plug, thereby preventing the plug from being pulled out from the outlet.

  Furthermore, in the present invention, the shutter may be provided with an open / close lid that opens and closes the insertion portion so as to be slidable.

  According to the cable disconnection prevention structure of the present invention, when the outlet is not in use, the opening of the recess can be closed by the shutter, and the insertion portion of the shutter can be closed by the opening / closing lid. Therefore, when the outlet is provided in a portion exposed to the outdoors, it is possible to prevent rainwater or dust from entering the outlet from the outside.

  Further, in the present invention, the opening of the recess is configured to be openable and closable by the two shutters, and the opening of the recess is closed in a state where both shutters are overlapped with each other. A portion other than the insertion portion of the cable may be closed by a portion other than the insertion portion of the counterpart shutter.

  According to the cable disconnection prevention structure of the present invention, the cable is connected to the outlet via the plug, and in this state, the two shutters are moved to the first position for closing the opening of the recess, thereby When the shutter is overlapped, the opening of the recess is closed, and the plug and the two shutters interfere with each other on the back side of the plug, thereby preventing the plug from being pulled out from the outlet. In this case, the portions other than the cable insertion portion of each shutter insertion portion are closed by portions other than the insertion portion of the counterpart shutter, so when the outlet is provided in a portion exposed to the outdoors In addition, it is possible to prevent rainwater, dust, and the like from entering the outlet side from between the insertion portion of both shutters and the cable.

  Furthermore, in this invention, it is good also as a sealing member sealing the space between the surrounding surface of the said cable and the inner surface of the said insertion part being provided in the inner surface of the said insertion part.

  According to the cable pull-out prevention structure of the present invention, the gap between the cable and the shutter insertion portion is sealed by a sealing member, so when the outlet is provided in a portion that is exposed outdoors, It is possible to prevent rainwater, dust and the like from entering the outlet side from outside via the cable and the insertion portion of the shutter.

  Furthermore, in the present invention, an outer lid that opens and closes a portion outside the shutter of the opening of the recess may be provided on the wall surface portion outside the shutter.

  According to the cable pull-out prevention structure of the present invention, the outer portion of the shutter at the opening of the recess is closed by the outer lid, so that rainwater, dust, etc. enter the outlet side from the outside when the outlet is not in use. Can be more effectively prevented.

As described above, according to the cable disconnection preventing structure of the present invention, the regulating means is moved to the first position while the cable is connected to the outlet via the plug, and the regulating means is moved to the first position by the locking means. By locking at the position 1, the plug and the restricting means interfere with each other on the back side of the plug, and the plug is prevented from being pulled out from the outlet. Moreover, the plug can be pulled out from the outlet by releasing the locked state of the restricting means by the locking means and moving the restricting means from the first position to the second position. Accordingly, since the plug cannot be pulled out from the outlet unless the locking of the regulating means by the locking means is released, it is possible to prevent the outlet from being pulled out from the plug due to mischief or the like, and to protect the electrical equipment connected to the cable. it can.
Further, by connecting the cable to the outlet via the plug and moving the opening / closing means to the first position for closing the opening of the recess in this state, the plug and the opening / closing means interfere on the back side of the plug, and the plug Is prevented from being pulled out of the outlet. Further, by moving the opening / closing means from the first position to the second position where the opening of the recess is at least partially opened, the interference state between the plug and the opening / closing means is released, and the plug can be pulled out from the outlet. it can.
Further, a cable is connected to the outlet via a plug, and in this state, the shutter is moved to the first position for closing the opening of the recess, the tip of the lock pin is locked to the inner surface side of the shutter, and the shutter is By locking the opening in the closed state, the plug and the shutter interfere with each other on the back side of the plug, and the plug is prevented from being pulled out from the outlet. Further, the locking state of the front end of the lock pin on the rear surface side of the shutter is released, and the shutter is moved from the first position to the second position where the opening of the recess is at least partially opened. The state of interference with the shutter is released, and the plug can be pulled out from the outlet.
Therefore, it is possible to reliably prevent the outlet from being pulled out from the plug due to mischief or the like, and it is possible to protect the electrical equipment connected to the cable.

1 is a schematic cross-sectional view showing a first embodiment of a cable disconnection preventing structure according to the present invention. It is the schematic plan view seen from the A direction of FIG. It is explanatory drawing which showed operation | movement of the shutter of FIG. It is the schematic plan view which showed 2nd Embodiment of the cable drop-out prevention structure by this invention. It is the schematic sectional drawing which showed 3rd Embodiment of the cable disconnection prevention structure by this invention. It is the schematic plan view seen from the B direction of FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show a first embodiment of a cable disconnection prevention structure according to the present invention. This cable disconnection prevention structure is effective in preventing various cables 7 such as a power cable and a charging cable connected to the outlet 4 via the plug 5 from being pulled out of the outlet 4 due to mischief or the like. is there.

  In the present embodiment, an outlet 4 connected to a power source such as a commercial power source is provided on the bottom surface of the recess 2 provided in the wall 1 such as a building, and the outlet 4 is exposed in the recess 2. 4 is applied to the prevention of disconnection of a cable 7 such as a power cable or a charging cable of an electrical device connected to the wall 4 from the outside of the wall surface 3 via a plug 5.

  As shown in FIGS. 1 and 2, the cable disconnection prevention structure of the present embodiment includes an opening / closing means 10 that is a restricting means for opening / closing the opening of the recess 2 of the wall 1, and the opening / closing means 10 has the recess 2. Locking means 25 for locking from the inside of the wall 1 in a closed state is provided.

  The opening / closing means 10 includes a shutter 11 provided on the wall 1 so as to be slidable in the directions of arrows a and b in FIG. 2 along the wall surface 3, and a pair of guide rails 18 and 18 for guiding the shutter 11. 2 is closed in the direction of arrow a (leftward) in FIG. 2 to close the opening of the recess 2 in the wall 1, and in the direction of arrow b (rightward) in FIG. 2, the recess in the wall 1 is closed. Two openings are opened.

  The shutter 11 is formed from a metal plate such as iron or aluminum, or a synthetic resin plate, and is formed to be slightly larger than the concave portion 2 of the wall body 1 (size capable of closing the concave portion 2). In the present embodiment, the shutter 11 is formed in a quadrangular plate shape corresponding to the quadrangular concave portion 2 of the wall body 1.

  At the center of the shutter 11, there is provided a slit-like insertion portion 15 that extends in the right direction from the left side in FIG. 2 and is cut out so that the inner portion has an arc shape. Is configured to be insertable. A bar-shaped handle 17 protrudes integrally with the left end of FIG. 2 on the front surface 12 side of the shutter 11. The shutter 17 is held in the direction of arrows a and b in FIG. The opening of the recess 2 of the wall body 1 can be opened and closed by sliding in the direction).

  Each guide rail 18 has a concave cross-section bar shape having a guide groove 19 extending in the longitudinal direction, and the guide groove 19 is formed along the upper and lower edges of the recess 2 of the wall body 1 along the recess 2. The upper and lower ends of the shutter 11 are engaged in the guide grooves 19 and 19 of the pair of guide rails 18 and 18, respectively.

  On the right side of the recess 2 in the figure, there is provided a second recess (not shown) that is shallower than the recess 2 that can accommodate the guide rail 18 that is slightly larger than the opening of the recess 2. . Each guide rail 18 has an overall length that is approximately twice as long as the width c of the recess 2, the left half is positioned at the upper and lower edges of the recess 2, and the right half is the upper and lower edges of the second recess. The shutter 11 is slidably guided between the first position where the opening of the recess 2 is closed and the second position where the shutter 11 is opened by the pair of guide rails 18, 18. ing.

  The guide rail 18 connects the plug 5 of the cable 7 to the outlet 4, and in this state, the shutter 11 is slid in the direction of arrow a (leftward) in FIG. 2 to close the opening of the recess 2 in the wall 1; The mounting position on the wall 1 is set so that the back surface 13 side of the shutter 11 and the back side of the plug 5 interfere with each other with the shutter 11 closing the opening of the recess 2.

  By providing the guide rails 18, 18 at such positions, when the plug 5 of the cable 7 is connected to the outlet 4 and the opening of the recess 2 of the wall 1 is closed by the shutter 11, the back surface 13 of the shutter 11. Can prevent the plug 5 from being pulled out of the outlet 4, and the plug 5 can be fixed in the state where it is inserted into the outlet 4, and the plug 5 can be prevented from being loose. it can.

  In the present embodiment, the shutter 11 is provided so as to be slidable in the directions of arrows a and b (left and right directions) in FIG. 2, but may be provided so as to be slidable in the up and down direction or oblique direction in FIG. . Although not shown, the shutter is rotatably connected to the opening edge of the recess 2 of the wall 1 via a hinge, and the recess of the wall 1 is rotated when the shutter is rotated in the direction of the wall 1. The opening of the recess 2 of the wall 1 may be opened when the opening 2 is closed and rotated away from the wall 1.

  The lock means 14 includes a rod-like lock pin 26 provided at the edge of the recess 2 of the wall body 1 so as to be able to advance and retreat in a direction perpendicular to the wall surface 3 (arrow direction in FIG. 1), and a pneumatic pressure for moving the lock pin 26 back and forth. And an actuator 27 composed of a hydraulic cylinder or the like, and the actuator 27 is operated from the inside of the wall 1 to advance the lock pin 26, so that the tip of the lock pin 26 is the lock groove 14 on the back surface 13 side of the shutter 11. The shutter 11 is locked in a state where the opening of the recess 2 of the wall 1 is closed. Further, by operating the actuator 27 from the inside of the wall 1 to retract the lock pin 26, the tip of the lock pin 26 is detached from the lock groove 14, and the locked state of the shutter 11 is released.

  The actuator 27 may be provided with an operation switch inward of the wall body 1 and may be operated by operating the operation switch to move the lock pin 26 forward or backward. The shutter 11 may be an opening of the recess 2 of the wall body 1. It may be configured such that the closing of the lock pin 26 is detected by a limit switch or the like, activated by a signal from the limit switch or the like, and the lock pin 26 is advanced.

  Note that an urging member such as a spring may be used as the actuator 27, and the urging force by the urging member may be manually applied to the lock pin 27, and the lock pin 26 may be moved forward or backward.

  In the cable disconnection prevention structure of the present embodiment configured as described above, in order to connect the cable 7 of the electrical device to the outlet 4 of the wall 1, first, as shown in FIG. Is opened to the right in the figure to open the opening of the recess 2 of the wall 1 to expose the outlet 4. In this state, the plug 5 of the cable 7 is inserted into the outlet 4 from the outside of the wall surface 3 of the wall body 1. As a result, the electric device is connected to the outlet 4 of the wall 1 via the cable 7, and power is supplied to the electric device via the cable 7 from a power source such as a commercial power source connected to the outlet 4.

  Next, with the plug 5 of the cable 7 inserted into the outlet 4, as shown in FIGS. 3B and 3C, the handle 17 of the shutter 11 is grasped by hand and slid leftward in the figure. The opening of the recess 2 of the wall 1 is closed by the shutter 11, causing the back surface 13 side of the shutter 11 and the back side of the plug 5 to interfere with each other, thereby preventing the plug 5 from being pulled out from the outlet 4. In this case, since the cable 7 is inserted into the insertion portion 15 of the shutter 11 from the opening side on the left side, the cable 7 does not interfere with the opening and closing of the shutter 11, and the cable 7 is connected to the outlet 4. In this state, the opening of the recess 2 of the wall 1 can be closed by the shutter 11.

  And after closing the opening part of the recessed part 2 of the wall body 1 with the shutter 11, as shown in FIG. 1, the actuator 27 is operated from the inner side of the wall body 1 to advance the lock pin 26, and the lock pin 26 Is locked in the lock groove 14 on the back surface 13 side of the shutter 11. Thereby, the shutter 11 can be locked in a state in which the opening of the recess 2 of the wall 1 is closed.

  When the shutter 11 releases the locked state in which the opening of the recess 2 of the wall body 1 is closed, the actuator 27 is operated from the inside of the wall body 1 to retract the lock pin 26, The tip is separated from the lock groove 14 of the shutter 11. Thereby, the locked state of the shutter 11 is released, the shutter 11 can be slid in the direction of opening the opening of the recess 2 of the wall 1, and the plug 5 of the cable 7 can be pulled out from the outlet 4.

  In the cable disconnection prevention structure of the present embodiment configured as described above, the cable 7 of the electrical device is connected to the outlet 4 by inserting the plug 5 into the outlet 4 of the wall 1, and in this state, The shutter 11 is slid to close the recess 2 opening of the wall 1 with the shutter 11, the actuator 27 is operated from the inside of the wall 1, the lock pin 26 is advanced, and the tip of the lock pin 26 is moved to the back of the shutter 11. By engaging in the lock groove 14 on the 13th side, the opening of the recess 2 of the wall 1 is closed with the cable 7 connected to the outlet 4 via the plug 5, and the shutter 11 is closed to the recess 2 of the wall 1. Can be locked in a closed state.

  In this case, the locked state of the shutter 11 cannot be released unless the actuator 27 is actuated from the inside of the wall body 1, so that the shutter 11 is opened from the outside of the wall surface 3 by mischief or the like and the concave portion of the wall body 1 is opened. 2 is opened, and the plug 5 is not pulled out from the outlet 4, and the state where the cable 7 is connected to the outlet 4 via the plug 5 can be kept.

  In addition, when the opening of the recess 2 of the wall 1 is closed by the shutter 11, the back surface 13 side of the shutter 11 and the back side of the plug 5 interfere to prevent the plug 5 from being pulled out. Even if a leg or the like is caught on the cable 7, the plug 5 is not loosened, and the cable 7 can be kept securely connected to the outlet 4.

  FIG. 4 shows a second embodiment of the cable disconnection preventing structure according to the present invention. In this cable disconnection prevention structure, as the opening / closing means 10, a pair of shutters 11a, 11b having the same configuration as in the first embodiment is provided so as to be slidable in a direction approaching or separating from each other, and slid in a direction approaching each other. Thus, the shutters 11a and 11b are overlapped with each other to close the opening of the recess 2 of the wall 1 and the shutters 11a and 11b are slid in directions away from each other. The polymerization state is canceled and the opening of the recess 2 of the wall 1 is opened, and the other configuration is the same as that shown in the first embodiment.

  In this case, one shutter 11a is formed in a square plate shape having the same size as the shutter 11 of the first embodiment, and the other shutter 11b is formed in a square plate shape smaller than the one shutter 11a. Yes.

  Further, like the shutter 11 of the first embodiment, the insertion portion 15a of one shutter 11a is formed in a slit shape having an opening on the left side in FIG. 4, and the insertion portion 15b of the other shutter 11b is illustrated in FIG. 4 is formed in a slit shape with the right side opened, and when both shutters 11a and 11b are overlapped by sliding both shutters 11a and 11b toward each other, the insertion portion 15a of one shutter 11a and the other The cable 7 is inserted through the insertion portion 15b of the shutter 11b, and in this state, the insertion portions 15a of both shutters 11a and 11b, and portions other than the insertion portion of the cable 7 are the insertion portions 15a of the other shutters 11a and 11b. It is designed to be closed at a portion other than 15b.

  Furthermore, the handle 17a of one shutter 11a is provided in the upper part of FIG. 4 (part other than the overlapping part with the other shutter 11b), and the handle 17b of the other shutter 11b is only the lower part of FIG. The grips 17a and 17b of the shutters 11a and 11b are configured so as not to interfere with each other.

  Further, the arc member at the right end in FIG. 4 of the insertion part 15a of one shutter 11a and the arc part at the left end in FIG. 4 of the insertion part 15b of the other shutter 11b are respectively sealed by seal members 16. When a certain packing is provided and the concave portion 2 of the wall body 1 is closed by both shutters 11a and 11b, both packings 16 and 16 of both insertion portions 15a and 15b of both shutters 11a and 11b are interposed between the cables 7. And the space between them is sealed.

  Even in the cable pull-out prevention structure of the present embodiment configured as described above, the same effects as those shown in the first embodiment can be obtained. Since the space between the insertion portions 15a and 15b of the shutters 11a and 11b and the cable 7 is sealed by the sealing members 16 and 16, rainwater is externally applied when the wall surface 3 of the wall 1 is exposed outdoors. It is possible to prevent dust or the like from entering the recess 2 through the gap between the insertion portions 15a and 15b and the cable 7 and entering the outlet 4 side.

  5 and 6 show a third embodiment of the cable disconnection prevention structure according to the present invention. In this cable disconnection prevention structure, the shutter 11 according to the first embodiment is provided with a band-shaped opening / closing lid 21 having a convex cross section so as to be slidable along the insertion portion 15. The portion 15 is configured to open and close, and an outer lid 24 is provided to open and close a portion outside the shutter 11 of the opening portion of the recess 2 of the wall body 1. This is the same as that shown in the embodiment.

  In this case, the opening / closing lid 21 is guided to be slidable in the longitudinal direction of the insertion portion 15 by a guide rail 22 provided on the upper edge portion of the insertion portion 15 on the back surface 13 side of the shutter 11, and in the right direction of FIG. 6. The insertion portion 15 of the shutter 11 is opened by sliding the opening / closing lid 21, and the insertion portion 15 of the shutter 11 is closed by sliding the opening / closing lid 21 in the left direction of FIG. 6.

  Further, an urging member 23 such as a spring is provided inside the guide rail 22 that guides the opening / closing lid 21. The urging force of the urging member 23 causes the opening / closing lid 21 to constantly move the insertion portion 15 of the shutter 11. The insertion portion 15 of the shutter 11 is opened by being urged in the closing direction and sliding the opening / closing lid 21 to the right in FIG. 1 against the urging force of the urging member 23.

  Further, an urging member 20 such as a spring is provided inside the guide rail 18 that guides the shutter 11, and the urging force of the urging member 20 causes the shutter 11 to always close the recess 2 of the wall 1. When the shutter 11 is slid in the right direction in FIG. 1 against the urging force of the urging member 20, the opening of the concave portion 2 of the wall 1 is opened.

  Even in the cable pull-out prevention structure of the present embodiment configured as described above, the same effects as those shown in the first embodiment can be obtained, and in the present embodiment, the shutter 11 has an opening / closing lid 21 that opens and closes the insertion portion 15 and an outer lid 24 that opens and closes the opening portion of the recessed portion 2 of the wall body 1 outside the shutter 11. The shutter 11 can close the opening of the concave portion 2 of the wall body 1, the insertion portion 15 of the shutter 11 can be closed by the opening / closing lid 21, and the concave portion 2 of the wall body 1 outside the shutter 11 can be closed. The opening portion can be closed with the outer lid 24.

  Therefore, when the wall surface 3 of the wall body 1 is exposed to the outdoors, it is possible to more effectively prevent rainwater or dust from entering the concave portion 2 of the wall body 1 and entering the outlet 4 side from the outside. Can do.

  In the above description, the lock pin 26 is advanced and locked in the lock groove 14 on the back surface 13 side of the shutter 11 by the operation of the actuator 27 of the lock means 25 provided inside the wall body 1. As a result, the shutter 11 has locked the opening of the recess 2 in the wall 1 closed. However, the shutter 11 is provided with a key for locking the opening of the recess 2 in a closed state. May be configured such that the shutter 11 locks the opening of the recess 2 of the wall 1 in a closed state.

  Further, in the above description, the case where the cable 7 such as the power cable or the charging cable of the electric device is connected to the outlet 4 provided on the wall 1 of the building via the plug 5 is described. When connecting the charging cable to the outlet of the charging port of a storage battery of an automobile, etc., or connecting the power cable, charging cable, etc. to the outlet of various other devices or machines via the plug You may apply to a case etc.

DESCRIPTION OF SYMBOLS 1 Wall body 2 Recessed part 2a 2nd recessed part 3 Wall surface 4 Outlet 5 Plug 7 Cable 10 Control means (opening-closing means)
DESCRIPTION OF SYMBOLS 11 Shutter 11a One shutter 11b The other shutter 12 Front surface 13 Back surface 14 Lock groove 15 Insertion part 15a Insertion part 15b Insertion part 16 Seal member 17 Handle 17a Handle 17a Handle 18 Guide rail 19 Guide groove 20 Energizing member 21 Opening lid 22 Guide Rail 23 Biasing member 24 Outer lid 25 Lock means 26 Lock pin 27 Actuator

Claims (6)

It is a structure to prevent the cable from being connected to the outlet via a plug,
A first position that prevents the plug from being pulled out of the outlet by interfering with the plug on a back side of the plug inserted into the outlet; and a first position that allows the plug to be pulled out of the outlet. A regulating means provided so as to be movable between two positions, and a locking means for locking the regulating means at the first position,
The outlet is provided on the bottom surface of the recess, and the restricting means is an opening / closing means provided so that the opening of the recess can be opened and closed so as not to interfere with the cable in the closed state, and the first position is The opening / closing means is a position at which the opening is closed, and the second position is a position at which the opening / closing means at least partially opens the opening so that the plug can be pulled out from the outlet. ,
The opening / closing means comprises a shutter that opens and closes the opening of the recess provided on the wall surface, and the locking means is provided so as to be able to advance and retreat in a direction perpendicular to the wall surface, and the tip is located on the inner surface side of the shutter. A structure for preventing a cable from being pulled out, comprising a lock pin that is locked to a portion and that locks the shutter in a state in which the opening of the recess is closed . The shutter is provided with a slit-like insertion portion through which the cable is inserted, and in a state where the cable is inserted into the insertion portion, a peripheral portion of the insertion portion on the inner surface side of the shutter and a back side of the plug 2. The cable disconnection prevention structure according to claim 1 , wherein the plug is prevented from being pulled out due to interference with the cable. 3. The cable disconnection prevention structure according to claim 2 , wherein an opening / closing lid that opens and closes the insertion portion is slidably provided on the shutter. The opening of the recess is configured to be openable and closable by the two shutters, and the opening of the recess is closed in a state where both shutters are overlapped with each other, except for the cable insertion portion of the insertion portion of each shutter 4. The cable disconnection preventing structure according to claim 3 , wherein said portion is closed by a portion other than the insertion portion of the other party's shutter. The cable pull-out prevention structure according to claim 4 , wherein a seal member that seals between a peripheral surface of the cable and an inner surface of the insertion portion is provided on an inner surface of the insertion portion. The cable according to any one of claims 1 to 5 , wherein an outer lid that opens and closes an outer portion of the shutter at an opening of the concave portion is provided on a portion of the wall surface outside the shutter. Prevention of slipping out.

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