JP4705516B2 - Wiring box device and box cover - Google Patents

Description

  The present invention relates to a wiring box device and a box cover which are installed in the back of a wall or in a double ceiling and which connect various wiring devices such as an outlet and wiring, and a connection portion between wiring and wiring. .

  17 to 19 show a wiring box device provided in a double ceiling, that is, a so-called blank type wiring box device. The wiring box device is described in Patent Document 1.

JP 2005-269866 A

  FIG. 17 is a perspective view showing a state in which the wiring box device 100 is disassembled into the wiring box 101 and the box cover 102. FIG. 18 is a diagram illustrating a state in which the box cover 102 is in contact with the wiring box 101, and is a diagram when viewed from the back side of the wiring box 101 in FIG. 17. FIG. 19 is a perspective view showing a state in which the box cover 102 is attached to the wiring box 101 while the wiring box 101 is opened.

  As shown in FIG. 17, this type of wiring box device 100 attaches the back surface of the wiring box to a suspension bolt V attached between the lower surface of the floor (not shown) of the upper floor and the steel frame T. In a double ceiling.

  The wiring box device 100 includes a wiring box 101 and a box cover 102. The wiring box 101 is provided with an opening 103 on the front surface, and a knockout portion 105 is provided on the peripheral wall 104. If necessary, the knockout part 105 is punched out and the wiring is led into the wiring box 101 so that, for example, the wirings can be connected in the wiring box 101.

  A first engaging portion 106 and a second engaging portion 107 are provided on the peripheral wall 104 of the wiring box 101. The box cover 102 is provided with a first engaged portion 108 and a second engaged portion 109.

  The first engaging portion 106 and the second engaging portion 107 are formed to protrude outward from the 101 peripheral wall 104 of the wiring box. Further, as shown in FIG. 18, the first engaged portion 108 and the second engaged portion 109 have a slide groove 110. Each slide groove 110 has an insertion port 111 on one end side and a stopper surface 112 on the other end side.

  In the wiring box apparatus 100 according to the background art configured as described above, when the opening 103 of the wiring box 101 is closed, the box cover 102 is brought into contact with the wiring box 101 as shown in FIG. . When the box cover 102 is pushed downward from the state shown in FIG. 18, the first engaging portion 106 enters the slide groove 110 from the insertion port 111 of the first engaged portion 108. Further, the second engaging portion 107 enters the slide groove 110 from the insertion port 111 of the second engaged portion 109. When the box cover 102 is further pushed downward, the first engaging portion 106 hits the stopper surface 112 of the first engaged portion 108 and the second engaging portion 107 of the second engaged portion 109. The box cover 102 stops when it hits the stopper surface 112. This state is a state where the opening 103 of the wiring box 101 is closed.

The wiring floor according to claim 2 is such that the lead-in portion according to claim 1 opens a part of the top plate of the wiring floor block by punching out by knockout.

  Then, if necessary, the wiring state in the wiring box 101 is repaired and inspected. At that time, as shown in FIG. 19, the operator is in the opening state of the wiring box 101. It is possible to repair and check the wiring state by inserting a hand into the opening 103.

  By the way, since the inside of the double ceiling is usually close to darkness, as described above, when repairing or checking the wiring state, the worker is in a state of groping while turning on the flashlight. It is common to perform this type of work.

  Then, in the wiring box 101 described above, the box cover 102 is slid with respect to the wiring box 101 in a state close to the groping state, and the box cover 102 is temporarily removed from the wiring box 101, and thereafter, FIG. As shown in the drawing, it is necessary to perform the above-described repair and inspection work with the second engaged portion 109 engaged with the first engaging portion 106 and the opening 103 of the wiring box 101 exposed. . For this reason, conventionally, when repairing and inspecting the wiring state, the opening of the wiring box 101 can be smoothly opened and closed even in an environment close to darkness such as in a double ceiling. Was faced.

  The present invention has been made in view of the above-described background art, and an object of the present invention is to close the opening of the wiring box and to expose the opening without removing the box cover from the wiring box. An object of the present invention is to provide a wiring box device.

The invention according to claim 1 comprises a wiring box having an opening, and a box cover attached to the opening side of the wiring box so as to close part or all of the opening.
The wiring box is formed with an engaging portion including a first engaging portion and a second engaging portion provided at intervals, and the box cover is formed with a convex shape at intervals. An engaged portion consisting of a first engaged portion and a second engaged portion is formed,
The box cover slides between a first position where the opening of the wiring box is closed and a second position where the opening of the wiring box is exposed, in contact with the opening surface of the wiring box. Provided to be movable,
The first engaging portion and the first engaged portion at the first position by movement in a direction closing the opening while the box cover is in contact with the opening surface of the wiring box, and The second engaging portion and the second engaged portion are engaged with each other, and the box cover is moved in a direction in which the opening is exposed while being in contact with the opening surface of the wiring box. The second engaging portion and the first engaged portion are engaged, and the engagement between the engaging portion and the engaged portion is released between the first position and the second position. The box cover is configured to be removable from the wiring box,
The first engaged portion and the second engaged portion have an engagement groove in the sliding direction, and the engagement groove of the first engaged portion is divided by a stopper portion and is first at both ends. The first engagement portion has an insertion port and a second insertion port, and the first engagement portion is moved from the first insertion port to the first engaged member when the box cover slides to close the opening of the wiring box. When the box cover slides to expose the opening, the second engaging portion is inserted from the second insertion port into the first engaged portion. It is a wiring box device characterized by being inserted into and engaged with the engaging groove.

According to a second aspect of the present invention, in the wiring box device according to the first aspect, the engaged portion includes a protruding portion protruding from the back surface of the box cover, and the box cover is for wiring. A portion that hangs down from the projecting portion of the engaged portion toward the wiring box in a state of being in contact with the opening surface of the box is provided so as to be able to contact the peripheral wall of the wiring box. To do.

According to a third aspect of the present invention, in the wiring box device according to the first or second aspect , the engaging portion is formed outside the peripheral wall of the wiring box.

According to a fourth aspect of the present invention, in the wiring box device according to any one of the first to third aspects, the box cover fully closes the opening of the wiring box. Is.

According to a fifth aspect of the present invention, in the wiring box device according to any one of the first to fourth aspects, the engaging portion is formed outside the peripheral wall of the wiring box. It is what.

The invention according to claim 6 is a box cover attached to the opening side of the wiring box so as to close part or all of the opening of the wiring box having an opening,
The wiring box is formed with an engaging portion including a first engaging portion and a second engaging portion provided at intervals, and the box cover is formed with a convex shape at intervals. An engaged portion consisting of a first engaged portion and a second engaged portion is formed,
The box cover slides between a first position where the opening of the wiring box is closed and a second position where the opening of the wiring box is exposed, in contact with the opening surface of the wiring box. Provided to be movable,
The first engaging portion and the first engaged portion at the first position by movement in a direction closing the opening while the box cover is in contact with the opening surface of the wiring box, and The box cover is engaged with the second engaged portion and the box cover is in contact with the opening surface of the wiring box and moved in a direction to expose the opening at the second position. The first engaging portion and the second engaged portion are engaged, and the engagement between the engaging portion and the engaged portion is released between the first position and the second position. The box cover is configured to be removable from the wiring box,
The first engaged portion and the second engaged portion have an engagement groove in the sliding direction, and the engagement groove of the first engaged portion is divided by a stopper portion and is first at both ends. The first engagement portion has an insertion port and a second insertion port, and the first engagement portion is moved from the first insertion port to the first engaged member when the box cover slides to close the opening of the wiring box. When the box cover slides to expose the opening, the second engaging portion is inserted from the second insertion port into the first engaged portion. It is a box cover characterized by being inserted into and engaged with the engaging groove.

According to a seventh aspect of the present invention, in the box cover according to the sixth aspect, the engaged portion includes a projecting portion projecting from the back surface of the box cover, and contacts the opening surface of the wiring box. In the contacted state, a portion of the engaged portion that hangs down from the protruding portion toward the box is provided so as to be able to contact the peripheral wall of the wiring box.

The invention according to claim 8 is the box cover according to claim 6 or 7 , wherein the box cover fully closes the opening of the wiring box.

According to a ninth aspect of the present invention, in the box cover according to the sixth aspect , the box cover moves in a direction in which the opening surface is closed to fully close the opening surface, and then returns in the return direction of the box cover. The box cover is provided with a restricting portion so as to protrude toward the back side of the box cover.

According to a ninth aspect of the present invention, in the box cover according to the seventh aspect , the box cover moves in a direction to close the opening surface to fully close the opening surface, and then returns to the return direction of the box cover. The box cover is provided with a restricting portion so as to protrude toward the back side of the box cover.

According to a ninth aspect of the present invention, in the box cover according to the eighth aspect , the box cover moves in a direction to close the opening surface to fully close the opening surface, and then returns to the return direction of the box cover. The box cover is provided with a restricting portion so as to protrude toward the back side of the box cover.

  According to the first aspect of the present invention, the opening of the wiring box is closed by simply reciprocating the box cover along the opening surface of the wiring box without removing the box cover from the wiring box. And the opening can be kept exposed.

According to the first aspect of the invention , the wiring box is provided by providing the first engaging portion, the second engaging portion, the first engaged portion, and the second engaged portion. The opening can be kept closed, and the opening can be kept exposed.

According to the second aspect of the present invention, the engaged portion abuts on the outer peripheral surface of the wiring box with the box cover abutting against the opening surface of the wiring box. When the box cover is moved in this state, the box cover moves while the engaged portion abuts against the outer peripheral wall surface of the wiring box and is guided by the outer peripheral wall surface, so that the box cover does not move laterally. Can move well. As a result of the box cover being able to move with a good attitude, the engaged portion can be smoothly engaged with the engaging portion. That is, when engaging the engaging portion and the engaged portion, they can be easily engaged without requiring a special alignment operation.

According to the first aspect of the present invention, the first engaged portion has an engagement groove in the sliding direction of the box cover , and the engagement groove is divided by the stopper portion and has a first difference at both ends. Since it has a slot and a second slot, it is possible to keep the opening of the wiring box closed and to keep the opening exposed only by reciprocating the box cover. it can.

According to the invention described in claim 3 , since the engaging portion is provided so as to protrude outward from the peripheral wall of the wiring box, the inside of the wiring box is not narrowed by the engaging portion. The inside can be used widely and effectively.

According to invention of Claim 4 , the opening surface of the box for wiring can be made into front closure.

According to the invention described in claim 5 , the opening of the wiring box is not inadvertently exposed.

According to the invention described in claim 6 , the opening of the wiring box is closed by simply reciprocating the box cover along the opening surface of the wiring box without removing the box cover from the wiring box. And the opening can be kept exposed.

According to the sixth aspect of the present invention, by providing the first engaged portion and the second engaged portion, the opening of the wiring box is kept closed, and the opening is It can be kept exposed.

According to the sixth aspect of the present invention , the engaged portion is in contact with the peripheral wall of the wiring box in a state where the box cover is in contact with the opening surface of the wiring box. If the box cover is moved in this state, the box cover moves while being engaged with the peripheral wall of the wiring box and being guided by the peripheral wall. can do. As a result of the box cover being able to move with a good attitude, the engaged portion can be smoothly engaged with the engaging portion. That is, when engaging the engaging portion and the engaged portion, they can be easily engaged without requiring special alignment.

According to the sixth aspect of the present invention , the first engaged portion has the engaging groove in the sliding direction of the box cover, and the engaging groove is divided by the stopper portion and is first at both ends . Since it has an insertion port and a second insertion port, the opening of the wiring box is kept closed and the opening is kept exposed only by reciprocating the box cover. Can do.

  1 to 10 show an embodiment. FIG. 1 shows an exploded perspective view of a so-called blank-type wiring box device 1 disassembled into a wiring box 2 and a box cover 3. FIG. 2 is a rear view of the box cover 3, and FIG. 3 is a view of the first engaging portion in FIG. 4 is a view of the second engagement portion in FIG. 2 as viewed from the direction of arrow B, and FIG. 5 is a view of the first engagement portion in FIG. 2 as viewed from the direction of arrow C. FIG. 6 is a view of the second engagement portion in FIG. 2 as viewed from the direction indicated by the arrow D. FIG. 7 is a view showing a state in which the box cover 3 is brought into contact with the opening surface 4 of the wiring box 2. FIG. 8 is a perspective view showing a state in which the opening surface 4 of the wiring box 2 is closed. FIG. 9 is a view in the middle of sliding the box cover 3 to expose the opening surface 4 of the wiring box 2. FIG. 10 is a perspective view showing a state in which the opening surface 4 of the wiring box 2 is exposed.

  As shown in FIG. 1, the wiring box device 1 has a state in which the back surface of the wiring box 2 is attached to a suspension bolt V that is attached between the lower surface of a floor (not shown) on the upper floor and the steel frame. It is provided in the double ceiling.

  The wiring box device 1 includes a wiring box 2 and a box cover 3. The wiring box 2 can be formed in a horizontally long rectangular parallelepiped shape whose front surface is the opening surface 4.

  The wiring box 2 and the box cover 3 are provided separately. The inside of the wiring box 2 is, for example, a space for connecting wirings. The wiring box 2 and the box cover 3 can be formed of a synthetic resin.

  The opening surface 4 of the wiring box 2 is surrounded by a peripheral wall composed of a pair of upper and lower walls 5 and 6 facing each other vertically and a pair of side walls 7 and 8 facing left and right. The end surface of the peripheral wall constituting the edge of the opening surface 4 and the opening surface 4 are flush with each other. The wiring box 2 includes a bottom wall 9 facing the opening surface 4.

  The box cover 3 has a shape corresponding to the opening surface 4 of the wiring box 2. The box cover 3 is provided so as to be capable of reciprocating between a position at which the opening surface 4 is closed and a position at which the opening surface 4 is exposed while abutting against the end surface of the peripheral wall forming the edge of the opening surface 4. ing.

  First and second engaging portions 10 and 11 are formed on the upper wall 5 and the lower wall 6 of the wiring box 2 at positions spaced apart from each other in the lateral direction. The first engaging portions 10 and the second engaging portions 11 of the upper wall 5 and the lower wall 6 are provided at positions facing each other vertically. As shown in FIG. 1, the first and second engaging portions 10, 11 can be formed in a convex shape projecting outward in the vertical direction from the edge of the opening surface 4 of the wiring box 2.

  As shown in FIG. 2, first and second engaged portions 12 and 13 project from the back surface 3 a of the box cover 3. The first and second engaged portions 12 and 13 are provided on the upper and lower edges of the box cover 3 so as to be separated from each other in the lateral direction. In a state where the opening surface 4 of the box cover 3 faces the opening surface 4 of the wiring box 2 and the opening surface 4 of the wiring box 2 is closed, the first engaging portion 10 corresponds to the first engaged portion 12. The first engaging portion 10, the second engaging portion 11, the first engaged portion 12, and the second engaged portion are located at positions where the second engaging portion 11 corresponds to the second engaged portion 13. 13 is provided.

  As shown in FIGS. 3 and 5, the first engaged portion 12 rises at a right angle from the back surface 3a of the box cover 3, and extends from the tip of the rising portion 12A toward the center of the box cover. A cross section is formed in an L shape from the provided extending portion 12B. An engagement groove 12 a is formed between the first engaged portion 12 and the back surface 3 a of the box cover 3. Both ends of the engagement groove 12a are opened as a first insertion port 12b and a second insertion port 12c, and a stopper portion 12d is provided at the center in the longitudinal direction of the engagement groove 12a. The inner surface 12e of the joint groove 12a is open.

  As shown in FIGS. 4 and 6, the second engaged portion 13 rises from the back surface 3a of the box cover 3 at a right angle, and extends from the tip of the rising portion 13A toward the center of the box cover. The cross section is formed in an L shape from the provided extended portion 13B. An engagement groove 13 a is formed between the second engaged portion 13 and the back surface 3 a of the box cover 3. One end of the engagement groove 13a is opened as an insertion port 13b, the other end is closed as a stopper portion 13c, and an inner side surface 13d of the engagement groove 13a is opened.

  Further, as shown in FIG. 2, restricting portions 14 and 15 are provided on the side edges of the box cover 3 so as to protrude toward the back surface 3 a side of the box cover 3. The restricting portions 14 and 15 are formed in a protruding shape so as to be caught on the outer surfaces of the side walls 7 and 8 of the wiring box 2 in a state where the opening surface 4 of the wiring box 2 is closed by the box cover 3. .

  Next, the operation of closing the opening surface 4 of the wiring box 2 and attaching the box cover 4 so as to expose the opening surface 4 will be described. First, the operation when the opening surface 4 of the wiring box 2 is closed by the box cover 3 will be described. In this case, as shown in FIG. 7, the back surface 3 a of the box cover 3 is brought into contact with the opening surface 4 of the wiring box 2.

  Thereafter, when the box cover 3 is moved leftward in FIG. 7, the first engaging portion 10 is inserted from the first insertion port 12b of the first engaged portion 12 as shown in FIG. 1 is engaged with the engaged portion 12, and the first engaging portion 10 comes into contact with the stopper portion 12d of the first engaged portion 12 and stops. Further, as shown in FIG. 6, the second engaging portion 11 of the wiring box 2 is inserted from the insertion port 13 b of the second engaged portion 13 and engaged with the second engaged portion 13, The second engaging portion 11 comes into contact with the stopper portion 13c of the second engaged portion 13 and stops.

  At this time, the side edge regulating portion 14 (shown in FIG. 2) of the box cover 3 is caught on the outer surface of the side wall 7 of the wiring box 2, and the side edge regulating portion 15 (shown in FIG. 2). ) Contacts the outer surface of the side wall 8 of the wiring box 2. As shown in FIG. 8, this state is a state in which the wiring box 2 is closed, and corresponds to the first position according to claim 1.

  In this way, when the restricting portion 14 on the side edge of the box cover 3 is hooked on the outer surface of the side wall 7 of the wiring box 2, the return direction of the box cover 3, that is, the box cover 3 slides rightward in FIG. Thus, the phenomenon of falling off the wiring box 2 is prevented. Further, as shown in FIG. 5, the first engaging portion 10 abuts against the stopper portion 12d of the first engaged portion 12, and as shown in FIG. 6, the second engaging portion 11 is second engaged. The box cover 3 moves too far in the left direction in FIG. 8 by abutting against the stopper portion 13c of the portion 13 and the regulating portion 15 of the box cover 3 abutting against the outer surface of the side wall 8 of the wiring box 2. Is prevented.

  The first engaging portion 10 is engaged with the engaging groove 12 a of the first engaged portion 12, and the second engaging portion 11 is engaged with the engaging groove 13 a of the second engaged portion 13. By doing so, the phenomenon that the box cover 3 is detached from the opening surface 4 of the wiring box 2 in the direction perpendicular to the direction (indicated by the arrow in FIG. 8) is prevented.

  Next, the effect | action which exposes the opening surface 4 of the box 2 for wiring is demonstrated. In this case, if the box cover 3 is moved in the right direction in FIG. 8 from the state shown in FIG. 8, the box cover 3 brings its back surface 3 a into contact with the edge of the opening surface 4 of the wiring box 2. In this state, it moves rightward, and the first engaged portion 12 of the box cover 3 approaches the second engaging portion 11 of the wiring box 2 as shown in FIG. The second engaging portion 11 of the wiring box 2 is inserted from the second insertion port 12 c of the first engaged portion 12 of the box cover 3 and engaged with the first engaged portion 12. The second engaging portion 11 comes into contact with the stopper portion 12d of the first engaged portion 12 and stops. This state is the state shown in FIG. 10 and corresponds to the second position described in claim 1.

  As described above, the second engaging portion 11 abuts against the stopper portion 12d of the first engaged portion 12, so that the box cover 3 is prevented from excessively moving in the opening direction (right direction in FIG. 10). The Further, when the second engaging portion 11 is engaged with the engaging groove 12a of the first engaged portion 12, the box cover 3 is perpendicular to the opening surface 4 of the wiring box 2 (indicated by an arrow in FIG. 10). Direction) is prevented.

  As shown in FIG. 5, the first engaging portion 10 is inserted into the engaging groove 12a of the first engaged portion 12, and the second engaging portion 11 is second as shown in FIG. Friction between the first engaging portion 10 and the first engaged portion 12 in the state of being inserted into the engaging groove 13a of the engaged portion 13, and the second engaging portion 11 and the second engaged portion. By increasing the friction with the joint 13, it is possible to prevent the box cover 3 from being detached from the wiring box 2 due to the friction.

  As described above, the box cover 2 is moved with respect to the wiring box 2 from the state in which the opening surface 4 of the wiring box 2 is closed, and the box cover is exposed with the opening surface 4 of the wiring box 2 exposed. 3 can be held in the wiring box 2, so that the operator can efficiently use both hands without holding the box cover 3 by hand to perform the installation work of the wiring device.

  Further, when checking or repairing the inside of the wiring box 4, it is not necessary to remove the box cover 3 from the wiring box 2 and place it on the floor or keep the operator holding it with one hand. This eliminates the need for the operator to go up and down the stepladder and place the box cover 3 on the floor when inspecting and repairing the wiring box device 1. Repair can be performed easily.

  After the work such as attaching the wiring device is completed, the box cover 3 is moved leftward from the state shown in FIG. 10 to engage the first engaging portion 10 with the first engaged portion 12. And the second engaging portion 11 is engaged with the second engaged portion 13, and the restricting portions 14 and 15 (shown in FIG. 2) of the box cover 3 are applied to the peripheral edge of the wiring box 2. By making contact, the box cover 3 is held in a state where the opening surface 4 of the wiring box 2 is closed.

  Further, as shown in FIG. 7, in a state where none of the first engaging portion 10, the second engaging portion 11, the first engaged portion 12, and the second engaged portion 13 are engaged with each other. The box cover 3 can be removed from the wiring box 2.

  As described above, the first engaged portion 12 of the box cover 3 is engaged with the first engaging portion 10 of the wiring box 2, and the first engaging portion 12 of the box cover 3 is engaged with the second engaging portion 11 of the wiring box 2. 2 In the state in which the engaged portion 13 is engaged, the opening surface 4 of the wiring box 2 is maintained in the closed state, and the box is connected to the second engaging portion 11 of the wiring box 2 as shown in FIG. In the state where the first engaged portion 12 of the cover 3 is engaged, the opening surface 4 of the wiring box 4 is maintained in an exposed state, and the box cover 3 has the opening surface 4 of the wiring box 2. Between the closed state and the open surface 4 exposed state, the wire box 2 can reciprocate along the open surface of the wiring box 2, that is, along the edge of the open surface 4.

  In the above description, as shown in FIG. 1, the first engagement portion 10 and the second engagement portion 11 are provided laterally on the upper wall 5 and the lower wall 6 of the wiring box 2, so Although the case where the first engaged portion 12 and the second engaged portion 13 are provided in the lateral direction on the edge and the lower edge has been described, the first engaging portion 10 is provided on the side walls 7 and 8 of the wiring box 2. The second engaging portion 11 is provided with a space in the vertical direction, and the box cover 3 is provided with the first engaged portion 12 and the second engaged portion 13 in the vertical direction on the side edge of the box cover 3. The cover 3 can be provided so as to be movable in the vertical direction with respect to the wiring box 2.

  Next, specific configurations of the wiring box and the box cover will be described. Returning to FIG. 1, knockout portions 20 are provided on the upper wall 5, the lower wall 6, and the side walls 7, 8 of the wiring box 4. The knockout portion 20 is punched as necessary to open a punching hole 21. Wiring can be inserted into the wiring box 2 from the punched hole 21.

  FIG. 11 shows a second embodiment. FIG. 11 is a longitudinal sectional view of FIG. The feature of the second embodiment is that the extended portion 12B of the first engaged portion 12 and the second engaged portion 13 are in a state where the box cover 3 is in contact with the opening surface 4 of the wiring box 2. The extended portion 13B has a tip formed so as to be in contact with the outer surfaces of the side walls 5 and 6 of the wiring box 2.

  By configuring in this way, as shown in FIG. 7, in the state in which the box cover 3 is in contact with the opening surface 4 of the wiring box 2, as shown in FIG. The box cover 3 is laterally displaced with respect to the wiring box 2 by the front end of the installation portion 12B and the front end of the extension portion 13B of the second engagement portion coming into contact with the outer surfaces of the side walls 5 and 6 of the wiring box 2. Since it cannot be raised, the posture of the box cover 3 with respect to the wiring box 2 is automatically determined. When the box cover 3 is moved with respect to the wiring box 2, the tip of the extended portion 12 </ b> B of the first engaged portion 12 and the tip of the extended portion 13 </ b> B of the second engaged portion 13 are wired. The box cover 2 abuts against the outer wall of the side wall of the box 2 and moves with respect to the wiring box 2 while the change in posture such as lateral displacement is restricted. As shown by a two-dot chain line in FIG. The engaged portion 12 and the first engaged portion 13 can be engaged with the first engaging portion 10 and the second engaging portion 11. That is, the first engaged portion 12 and the first engaged portion 13 are moved to the first engaging portion 10, the first engaged portion 13 only by moving the box cover 3 while being in contact with the opening surface 4 of the wiring box 2. In order to engage with the second engaging portion 11, a special position is used when the first engaged portion 12 and the first engaged portion 13 are engaged with the first engaging portion 10 and the second engaging portion 11. Adjustment work such as alignment can be omitted.

  FIG. 12 shows a third embodiment. FIG. 12 is a view of the state in which the box cover 3 is in contact with the opening surface of the wiring box 2 as viewed from the front side of the wiring box 2. In the second embodiment, the first engaged portion 31 of the box cover 3 is formed in the same shape as the second engaged portion 13 of the first embodiment, and the second engaged portion of the box cover 3 is formed. 32 is formed in the same shape as the first engaged portion 12 of the first embodiment. In the third embodiment, when the opening surface 4 of the wiring box 2 is closed, the first engaged portion 31 of the box cover 3 is connected to the first engagement of the wiring box 2 as shown in FIG. The back surface 3a of the box cover 3 is placed on the wiring box so that the second engaged portion 32 of the box cover 3 is located on the left side of the second engaging portion 11 of the wiring box 2 and positioned on the left side of the joint portion 10. 2 is contacted. In this state, when the box cover 3 is slid in the direction indicated by the arrow P, the first engaging portion 10 and the first engaged portion 31 are engaged, and the second engaging portion 11 and the second engaged portion are engaged. The joint portion 32 is engaged, and the opening surface 4 of the wiring box 2 is closed.

  On the other hand, when the box cover 3 is moved leftward (in the direction indicated by the arrow Q in FIG. 12) from the state in which the opening surface 4 of the wiring box 2 is closed, the first engaging portion 10 becomes the second engaged portion. In this state, the opening 6 of the wiring box 4 is exposed. In the third embodiment, the box cover 5 is located on the left side of the wiring box 2 with the opening 6 of the wiring box 4 exposed. Also in the wiring box device 1 shown in the third embodiment, the same operational effects as those of the first embodiment can be obtained.

  In the above embodiment, the case where the wiring box 2 is installed in a posture in which the opening surface 4 of the wiring box 2 is oriented in the horizontal direction has been described. However, the opening surface 4 is directed downward or upward. Needless to say, the present invention can also be applied to the case where the wiring box 2 is installed in a different posture.

  Moreover, although the above embodiment demonstrated the case where the 1st engaging part 10 and the 2nd engaging part 11 were provided in the outward shape of the surrounding wall of the box 2 for wiring, The second engaging portion 11 is provided in a projecting shape inwardly of the peripheral wall of the wiring box 2, and the first engaging portion 10 and the second engaging portion 11 formed in this way are engaged with each other. An engaged portion and a second engaging portion may be provided.

  13 to 16 show the wiring box device of the fourth embodiment. The wiring box device 41 of the fourth embodiment is a device that is embedded in concrete in a state of being attached to the rebar 42 or the like by the bar material 43 and used to connect the wiring device such as an outlet and the wiring. It is.

  FIG. 13 is an exploded perspective view of the state in which the wiring box device 41 is disassembled into the wiring box 44 and the box cover 45, and FIG. 14 is a rear view of the box cover. FIG. 15 is a side sectional view showing a state in which the wiring box device 41 is attached to the rebar 42 or the like with the bar material 43. FIG. 16 is a side sectional view of the state in which the molds K and K are erected so as to sandwich the wiring box device 41.

  The wiring box device 41 includes a wiring box 44 and a box cover 45. The wiring box 44 can be formed in a rectangular parallelepiped shape whose front surface is the opening surface 46.

  In the center of the box cover 45, a wiring fixture mounting hole 47 for mounting a wiring fixture such as an outlet is formed.

  The feature of the fourth embodiment is that the first engaging portion 10 and the second engaging portion 11 are provided on each side wall of the wiring box 44, and the first engaged portion is provided on the back surface of each side edge of the box cover 45. 12, the second engaged portion 13 is provided. The first engaging portion 10 and the second engaging portion 11 are provided apart from each other in the vertical direction. Moreover, the 1st to-be-engaged part 12 and the 2nd to-be-engaged part 13 are spaced apart and provided in the up-down direction.

  Further, as shown in FIG. 14, the upper and lower edges of the box cover 45 are provided with restricting portions 14 and 15 so as to protrude toward the back side of the box cover. The restricting portions 14 and 15 are formed in a protruding shape so as to be caught on the outer surfaces of the upper wall 48 and the lower wall 49 of the wiring box 44 in a state where the opening 46 of the wiring box 44 is closed by the box cover 45. Yes.

  Next, specific configurations of the wiring box 44 and the box cover 45 will be described. Returning to FIG. 13, on the bottom wall of the wiring box 44, a bar material insertion portion 50 is formed through which the bar material 43 for attaching the wiring box 44 to the support bar 42 is inserted. Further, a knockout portion 51 is provided on the peripheral wall of the wiring box 44. The knockout part 51 is punched as necessary to open a punching hole 52. A connector 53 (shown in FIGS. 15 and 16) is connected to the punching hole 52. The connector 53 is attached with a conduit 54 (shown in FIGS. 15 and 16) through which a wiring for connecting to a wiring device accommodated in the wiring box 44 is inserted.

  As shown in FIG. 13, boss portions 55 are provided on the inner surfaces of the upper wall 48 and the lower wall 49 of the wiring box 44, and screw holes 56 are formed.

  Further, the box cover 45 is formed with a screw insertion hole 57 that communicates with the screw hole 56 of the wiring box 44 in a state in which the box cover 45 closes the opening 46 of the wiring box 44. The cover 45 is screwed to the wiring box 44 by screws 58. Since the box cover 45 is formed with the wiring device mounting hole 47, the opening 46 of the wiring box 44 is only partially closed by the box cover 45.

  Next, a case where the wiring box device 41 is embedded in concrete will be described. In addition, as shown in FIG. 13, suppose that the rebar 42 is already provided. In this state, the bar material 43 is inserted into the bar material insertion portion 50 of the wiring box 44, and both ends of the bar material 43 are bound to the rebar rebar 42, so that the wiring box 44 is connected to the rebar rebar 42. Fix it. Thus, in the following description, the case where the wiring box 44 is attached to the rebar 42 with the opening 46 of the wiring box 44 facing in the horizontal direction will be described.

  Next, the knockout portion 51 provided on the peripheral wall of the wiring box 44 is punched as necessary, and the punching hole 52 is opened. Then, as shown in FIG. (Not shown) is inserted, and a lock nut 55 is screwed onto the male screw portion from the inside of the wiring box 44. Thus, the peripheral wall of the wiring box 44 is fixed by the connector 53 and the lock nut 55 so as to be sandwiched. Next, the conduit 54 is inserted into the connector 53.

  Thereafter, the opening 46 of the wiring box 44 is closed by the box cover 45 as described above.

  By the way, suppose that it becomes necessary to punch more knockout portions 51 to form punched holes 52. In this case, the opening surface 46 of the wiring box 44 is exposed as in the first embodiment.

  Thereafter, the operator newly punches the knockout portion 51 to open a new punching hole 52, and inserts a male screw portion (not shown) of the connector 53 into the punching hole 52 as shown in FIG. The connector 53 is fixed to the wiring box 44 as described above. Next, the conduit 54 is inserted into the connector 53.

  Then, similarly to the first embodiment, the box cover 45 closes the opening 46 of the wiring box 44. Thereafter, as shown in FIG. 13, the box cover 45 is fixed to the wiring box 44 by inserting the screw 58 through the screw insertion hole 57 of the box cover 45 and screwing into the screw hole 56 of the wiring box 44. . As a result, the wiring box device 41 is assembled.

  Next, as shown in FIG. 16, a pair of molds K, K are erected so as to sandwich the wiring box device 41, and concrete is placed between the molds K, K, so that the wiring box device is provided. 41 is embedded in the concrete. Various wiring devices such as outlets are disposed in the wiring box 44 from the wiring device mounting holes 47 (shown in FIGS. 13 and 14) of the box cover 45, while the conduit 54 (FIG. 15, FIG. A cable (not shown) that is wired through the inside of the cable is connected to a wiring device.

  Also in the fourth embodiment, the same operational effects as in the first embodiment can be achieved.

It is a disassembled perspective view of the state which decomposed | disassembled the wiring box apparatus into the box for wiring and a box cover. (First embodiment) It is a reverse view of a box cover. (First embodiment) It is a figure of the state seen from the arrow A direction in FIG. (First embodiment) It is a figure of the state seen from the arrow B direction in FIG. (First embodiment) It is a figure of the state seen from the arrow C direction in FIG. (First embodiment) It is a figure of the state seen from the arrow D direction in FIG. (First embodiment) It is a figure of the state which made the box cover contact | abut on the wiring box. (First embodiment) It is a figure of the state which closed the opening of the box for wiring. (First embodiment) It is a figure in the middle of sliding a box cover to expose the opening of the box for wiring. (First embodiment) It is a figure of the state which exposed the opening of the box for wiring. (First embodiment) It is a longitudinal cross-sectional view of a state in which the box cover is brought into contact with the wiring box. (Second Embodiment) It is a figure similar to FIG. 9 which shows 2nd Embodiment. (Third embodiment) It is a disassembled perspective view of the state which decomposed | disassembled the wiring box apparatus into the box for wiring and a box cover. (Fourth embodiment) It is a reverse view of a box cover. (Fourth embodiment) It is a sectional side view of the state which attached the box apparatus for wiring to the said rebar. (Fourth embodiment) It is side sectional drawing of the state which provided the box apparatus for wiring between the molds. (Fourth embodiment) It is a perspective view of the state which decomposed | disassembled the wiring box apparatus into the wiring box and a box cover. (Conventional technology) It is a figure of the state which made the box cover contact | abut on the wiring box. (Conventional technology) FIG. 6 is a perspective view of a state in which a box cover is held on the wiring box with an opening of the wiring box exposed. (Conventional technology)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wiring box apparatus 2 Wiring box 3 Box cover 4 Opening surface 10 1st engaging part 11 2nd engaging part 12 1st to-be-engaged part 13 2nd to-be-engaged part 14 Restriction part 15 Restriction part 41 For wiring Box device 44 Wiring box 45 Box cover 46 Opening surface 47 Wiring attachment hole

Claims (9)

A wiring box having an opening, and a box cover attached to the opening side of the wiring box to close part or all of the opening;
The wiring box has a first engaging portion and a second engaging portion formed in a convex shape with an interval, and the box cover is provided with an interval. An engaged portion consisting of a first engaged portion and a second engaged portion is formed,
The box cover slides between a first position where the opening of the wiring box is closed and a second position where the opening of the wiring box is exposed, in contact with the opening surface of the wiring box. Provided to be movable,
The first engaging portion and the first engaged portion at the first position by movement in a direction closing the opening while the box cover is in contact with the opening surface of the wiring box, and The second engaging portion and the second engaged portion are engaged with each other, and the box cover is moved in a direction in which the opening is exposed while being in contact with the opening surface of the wiring box. The second engaging portion and the first engaged portion are engaged, and the engagement between the engaging portion and the engaged portion is released between the first position and the second position. The box cover is configured to be removable from the wiring box,
The first engaged portion and the second engaged portion have engaging grooves in the sliding direction that engage with the first engaging portion and the second engaging portion formed in the convex shape , The engagement groove of the first engaged portion is divided by a stopper portion and has a first insertion port and a second insertion port at both ends, and the box cover slides to close the opening of the wiring box. When the first engagement portion is inserted into the engagement groove of the first engaged portion from the first insertion port and engaged, and the box cover slides to expose the opening. The wiring box device, wherein the second engaging portion is inserted into the engaging groove of the first engaged portion from the second insertion port. The engaged portion includes a protruding portion protruding from the back surface of the box cover, and the box cover is in contact with the opening surface of the wiring box from the protruding portion of the engaged portion. The wiring box device according to claim 1, wherein a portion hanging down toward the wiring box is provided so as to be able to contact a peripheral wall of the wiring box. The wiring box device according to claim 1, wherein the engaging portion is formed outside a peripheral wall of the wiring box. 4. The wiring box device according to claim 1, wherein the box cover fully closes an opening of the wiring box. 5. The box cover moves in the direction of closing the opening surface and restricts the movement of the box cover in the return direction from the state where the opening surface is fully closed. The wiring box device according to claim 1, wherein the box cover is provided on the box cover. A box cover attached to the opening side of the wiring box to close part or all of the opening of the wiring box having an opening,
The wiring box has a first engaging portion and a second engaging portion formed in a convex shape with an interval, and the box cover is provided with an interval. An engaged portion consisting of a first engaged portion and a second engaged portion is formed,
The box cover slides between a first position where the opening of the wiring box is closed and a second position where the opening of the wiring box is exposed, in contact with the opening surface of the wiring box. Provided to be movable,
The first engaging portion and the first engaged portion at the first position by movement in a direction closing the opening while the box cover is in contact with the opening surface of the wiring box, and The box cover is engaged with the second engaged portion and the box cover is in contact with the opening surface of the wiring box and moved in a direction to expose the opening at the second position. The first engaging portion and the second engaged portion are engaged, and the engagement between the engaging portion and the engaged portion is released between the first position and the second position. The box cover is configured to be removable from the wiring box,
The first engaged portion and the second engaged portion have an engagement groove in the sliding direction, and the engagement groove of the first engaged portion is divided by a stopper portion and is first at both ends. The first engagement portion has an insertion port and a second insertion port, and the first engagement portion is moved from the first insertion port to the first engaged member when the box cover slides to close the opening of the wiring box. When the box cover slides to expose the opening, the second engaging portion is inserted from the second insertion port into the first engaged portion. A box cover, wherein the box cover is engaged with the engagement groove. The engaged portion includes a projecting portion projecting from the back surface of the box cover, and in the state of being in contact with the opening surface of the wiring box from the projecting portion of the engaged portion to the box side. The box cover according to claim 6, wherein the suspended portion is provided so as to be able to contact the peripheral wall of the wiring box. The box cover according to claim 6 or 7, wherein the box cover fully closes an opening of the wiring box. The box cover moves in the direction of closing the opening surface and restricts the movement of the box cover in the return direction from the state where the opening surface is fully closed. The box cover according to claim 6, wherein the box cover is provided on the box cover.

Images