JP5049655B2 - Wiring box manufacturing method and wiring box cover manufacturing method - Google Patents

Description

  The present invention relates to a method for manufacturing a wiring box and a method for manufacturing a wiring box cover.

  Conventionally, for example, there is a wiring box shown in FIGS. 19 and 20 as a wiring box used for attaching a wiring device to a wall of a building (see, for example, Patent Document 1). The wiring box 55 is previously attached to a column or the like on the back side of the wall 51, and is accommodated in a box body 55b having an opening 55a on the front surface and a boss portion 56 positioned on the inner surface side of the box body 55b. The screw fixing device 57 was provided. Here, the screw fixing device 57 includes a frame portion 57c, a through hole 57a through which the screw shaft portion 54a of the screw 54 passes, and an elastic engagement piece 57b. Then, the screw 54 is passed through the hole 53 a of the holding panel 53 that holds the wiring device 2, and the screw 54 is pressed into the insertion hole 56 a formed in the boss portion 56 and the through hole 57 a of the screw fixing device 57. As a result, the elastic engagement piece 57b is elastically deformed so that the inclination in the insertion direction is increased, and the distal end portion of the elastic engagement piece 57b is engaged with the screw shaft portion 54a. Together with the panel 53, it was attached to the box body 55b. Thus, the wiring device 52 could be attached to the wall 51 using the wiring box 55.

JP 2006-177377 A

  By the way, when manufacturing this wiring box, for example, a method of inserting a screw fixing tool 7 into a boss portion of a box body carried by a belt conveyor or the like by an inserting means including a mechanical device as appropriate is considered. It was. Here, it has been desired to supply the plurality of screw fixtures 7 and 7 to the insertion means with their orientations aligned by, for example, a parts feeder (part alignment supply device).

  However, since the screw fixing tool 7 has a special shape as clearly shown in FIG. 20, for example, it is difficult for the conventional parts feeder to supply the insertion means with the same orientation. Further, there is a possibility that the plurality of screw fasteners 7 and 7 are entangled with each other in the parts feeder. Therefore, in the present situation, the screw fixtures 7 and 7 have to be supplied to the insertion means after being aligned one by one by hand, and there is a problem in terms of work efficiency. The present invention has been made in consideration of the above-described circumstances, and an object of the present invention is to easily and surely supply a screw fixing tool in a uniform orientation, a wiring box, and a wiring Another object of the present invention is to provide a method for manufacturing a wiring box and a method for manufacturing a wiring box cover capable of continuously producing a box cover for a wiring.

In order to achieve the above object, a method for manufacturing a wiring box and a method for manufacturing a wiring box cover according to the present invention have the following configurations. That is, the manufacturing method of the wiring box according to the invention of claim 1 includes a box body having an opening on the front surface, and the box for mounting and fixing a wiring device to the box body from the front side using screws. A method for manufacturing a wiring box comprising a screw fixing tool that is inserted into a fixing tool receiving portion provided on the inner front side of a main body , and has the following steps.
<Box body manufacturing process> The box body is manufactured.
<Connecting body manufacturing process> A fixing tool connecting body in which the plurality of screw fixing tools are connected to each other so as to be aligned in the same direction is manufactured.
<Box body supply process> The box body is supplied to an insertion process section provided with an insertion means for inserting the screw fixing tool into the box body with the opening direction of the receiving hole of the fixing tool receiving section being aligned.
<Connecting body feeding step> The fixing member connecting body is sent to a connection releasing means for releasing the connection of the screw fixing member in the fixing member connecting body.
<Fixing tool supplying step> The screw fixing tool released from the connection releasing means is inserted into the inserting step part with the insertion side facing the opening of the receiving hole of the fixing tool receiving part of the box body. Supply to the means.
<Fixing tool insertion process> The said screw fixing tool is inserted in the said fixing tool accommodating part of the said box main body by the said insertion means.

In this wiring box manufacturing method, a box body is manufactured, and the box body is supplied to an insertion process part provided with screw fixing tool insertion means with the opening direction of the receiving hole of the fixing tool receiving part being aligned. . On the other hand, a fixture coupling body is produced in which a plurality of screw fixtures are coupled to each other so that they are aligned in the same direction, and the fixture coupling body is sent to the coupling release means. Thereafter, the screw fixing member released by the connection releasing means is supplied to the insertion means of the insertion process portion with the insertion side facing the opening of the receiving hole of the fixing member receiving portion of the box body. And the screw fixing tool is inserted in the fixing tool accommodating part of a box main body by the insertion means. Accordingly, it is possible to easily and reliably supply the screw fixing tools in the same direction without the trouble of aligning the directions one by one manually, and to continuously produce wiring boxes.

The wiring box manufacturing method according to the invention described in claim 2 is the wiring box manufacturing method according to claim 1, wherein the connection releasing means is provided in the vicinity of the insertion means. Immediately before inserting the screw fixing tool into the fixing tool receiving portion, the connection of the screw fixing tool is released. By doing so, the screw fixing tools are kept connected to each other until just before being inserted into the fixing tool receiving portion of the box body. Thereby, each screw fixture can be easily supplied to the insertion means in a state where the insertion side faces the opening of the accommodation hole of the fixture accommodation portion of the box body.

  A wiring box manufacturing method according to a third aspect of the present invention is the wiring box manufacturing method according to the first or second aspect, wherein the screw fixture includes a substrate portion and a screw shaft of the screw. And a plate-like body having a through hole through which the portion passes and an elastic engagement piece extending from the substrate portion.

  According to a fourth aspect of the present invention, there is provided a wiring box manufacturing method according to the third aspect of the present invention, wherein the screw fixing tool includes a plurality of the screws arranged in the axial direction of the screw. A plate-like body is provided, and the plurality of plate-like bodies are connected and integrated, and the distal end portions of the elastic engagement pieces in the plate-like body are positioned at least apart in the axial direction.

According to a fifth aspect of the present invention, there is provided a wiring box manufacturing method according to the fourth aspect of the present invention, wherein two plate-like bodies are provided, and these two plates are provided. shaped body, the substrate portion is arranged to be positioned parallel and on one side of the front Stories substrate portion, are integrated bonded via an interaction activity piece.

According to a sixth aspect of the present invention, there is provided a method for manufacturing a wiring box cover, comprising: a box cover body having an opening opening at the front and rear; and a fixing device attached to the box cover body from the front side using screws. A wiring box cover manufacturing method comprising: a screw fixing tool that is inserted into a fixing tool receiving portion provided in the box cover main body to be received, and includes the following steps.
<Cover body manufacturing process> The box cover body is manufactured.
<Connecting body manufacturing process> A fixing tool connecting body in which the plurality of screw fixing tools are connected to each other so as to be aligned in the same direction is manufactured.
<Cover body supply process> Supply the box cover body to the insertion process part provided with the insertion means for inserting the screw fixing tool into the box cover body with the opening direction of the receiving hole of the fixing tool receiving part being aligned. To do.
<Connecting body feeding step> The fixing member connecting body is sent to a connection releasing means for releasing the connection of the screw fixing member in the fixing member connecting body.
<Fixing tool supply step> The screw fixing tool released from the connection by the connection release means is inserted in the insertion process portion with the insertion side facing the opening of the receiving hole of the fixing device receiving portion of the box cover body. Supply to insertion means.
<Fixing tool insertion step> The screw fixing tool is inserted into the fixing tool receiving portion of the box cover main body by the inserting means.

In this method for manufacturing a wiring box cover, the box cover body is manufactured, and the box cover body is aligned with the opening direction of the receiving hole of the fixing tool receiving section in the insertion process section provided with the means for inserting the screw fixing tool. Supply. On the other hand, a fixture coupling body is produced in which a plurality of screw fixtures are coupled to each other so that they are aligned in the same direction, and the fixture coupling body is sent to the coupling release means. Thereafter, the screw fixing tool released by the connection releasing means is supplied to the insertion means of the insertion process section with its insertion side facing the opening of the receiving hole of the fixing tool receiving section of the box cover body. And the screw fixing tool is inserted in the fixing tool accommodating part of the box cover main body by the insertion means. Therefore, the screw fixing tools can be easily and surely supplied in the same orientation without troublesome manual orientation, and the wiring box cover can be continuously produced.

A wiring box cover manufacturing method according to a seventh aspect of the present invention is the wiring box cover manufacturing method according to the sixth aspect, wherein the connection release means is provided in the vicinity of the insertion means. The screw fixing tool is released immediately before the screw fixing tool is inserted into the fixing tool receiving portion. By doing so, the screw fixing tools are kept connected to each other until just before being inserted into the fixing tool receiving portion of the box cover body. Thereby, it becomes easy to supply each screw fixing tool to the insertion means in a state where the insertion side faces the opening of the receiving hole of the fixing tool receiving portion of the box cover body.

  According to the method for manufacturing a wiring box described in claims 1 to 5, the screw fixing tool can be easily and reliably supplied in the same direction, and the wiring box can be continuously produced.

  Further, according to the method for manufacturing a wiring box cover according to claims 6 and 7, the screw fixing tool is easily and surely supplied in the same direction to continuously produce the wiring box cover. be able to.

  BEST MODE FOR CARRYING OUT THE INVENTION A best mode for carrying out a method for manufacturing a wiring box and a method for manufacturing a wiring box cover according to the present invention will be described below with reference to the drawings.

  FIGS. 1-9 shows one Embodiment of the manufacturing method of the box for wiring as 1st embodiment of this invention. Reference numeral 5 in the figure denotes a wiring box. Reference numeral 7 denotes a screw fixing tool provided in the wiring box 5. Reference numeral 100 denotes a fixture coupling body in which the screw fixtures 7 are coupled to each other.

The wiring box 5 is provided on the inside front side of the box body 6 for attaching and fixing the wiring device 2 to the box body 6 from the front side using the screws 4. And a screw fixing tool 7 which is inserted into and accommodated in a boss part 6d as a fixing tool accommodating part.

  Here, the screw fixing tool 7 is extended from the board part 9 so as to face the board part 9, the through hole 10 through which the screw shaft part 4a of the screw 4 passes, and the through hole 10 (in the illustrated embodiment). And a plate-like body 8 having an elastic engagement piece 11 (extended from the substrate portion 9 to the through hole 10 side). Specifically, the screw fixing device 7 includes a plurality of plate-like bodies 8, 8 arranged in the direction of the axis 4 b of the screw 4, and the plurality of plate-like bodies 8, 8 are connected and integrated with each other. The distal end portions 11 a and 11 a of the elastic engagement pieces 11 and 11 in the state bodies 8 and 8 are located at least in the direction of the axis 4 b of the screw 4.

  Specifically, the box body 6 is made of, for example, a synthetic resin and has a box shape having the opening 6a on the front surface, for example, a rectangular parallelepiped shape (see FIG. 1). The box body 6 includes a boss portion 6d on a peripheral wall 6c surrounding the internal space 6b of the box body 6. The boss 6d is formed on each of the upper and lower sides of the box body 6 so as to protrude from the front end portion of the peripheral wall 6c toward the internal space 6b. An insertion hole 6e into which the screw 4 (specifically, the screw shaft portion 4a) is inserted is formed in the boss portion 6d from the front side of the box body 6 to the rear side. The boss portion 6d is formed with an accommodation hole 6f into which the screw fixture 7 is inserted and accommodated so as to extend in a direction intersecting the insertion hole 6e and open in the intersecting direction. Specifically, the accommodation hole 6f extends in a direction orthogonal to the insertion hole 6e, and opens in the orthogonal direction (in the illustrated embodiment, opens on the outer surface of the peripheral wall 6c) (see FIG. 2). ). As shown in FIG. 2, the housing hole 6 f is composed of a front main housing hole 6 g and a rear side auxiliary housing hole 6 h for releasing the elastic engagement piece 11.

  The screw fixture 7 is made of, for example, a press-formed product of a metal plate having spring properties. In the plate-like body 8 of the screw fixture 7, the substrate portion 9 is formed in a frame shape, and the elastic engagement piece 11 and the through hole 10 are provided side by side in the frame (see FIG. 3). The elastic engagement piece 11 is extended from the side opposite to the through hole 10 toward the through hole 10 side inside the base end portion 9. Specifically, the elastic engagement piece 11 is bent and extended so as to be inclined in the insertion direction P of the screw shaft portion 4a, and the end surface of the tip portion 11a is formed in a concave shape so as to be along the peripheral surface of the screw shaft portion 4a. ing.

  The screw fixture 7 includes two plate-like bodies 8, and the substrate portions 9 and 9 in the two plate-like bodies 8 and 8 are formed in a flat plate shape and are positioned in parallel. (See FIG. 4). The screw fixture 7 is provided with a connecting piece 13 that connects the two plate-like bodies 8, 8 on one side of the substrate portions 9, 9. That is, the screw fixing tool 7 has a substantially U-shaped cross section in which the two plate-like bodies 8 and 8 are connected via the connecting piece 13. The screw fixing tool 7 has, for example, a housing hole 6f in such a manner that the side where the connecting piece 13 is located (that is, the side where the two plates 8 and 8 are connected) is the back side of the housing hole 6f. (See FIGS. 1 and 2).

  The wiring box 5 is previously attached to a column or the like on the back side of the wall 1 with a fastener such as a wood screw (see FIGS. 1 and 2). Then, the screw 4 (specifically, the screw shaft portion 4a) is passed through the hole 3a of the holding panel 3 as a holding material for holding the wiring device 2, and the insertion hole provided in the boss portion 6d of the wiring box 5 is provided. The screw shaft portion 4a (screw 4) is inserted from the front side into the through hole 10 of the screw fixture 7 through 6e and the insertion hole 6e. By doing so, the distal end portion 11a of the elastic engagement piece 11 of the screw fixture 7 is pressed against the screw shaft portion 4a. Accordingly, the elastic engagement piece 11 is inclined in the insertion direction P of the screw shaft portion 4a or the inclination in the insertion direction P is increased (in the illustrated embodiment, in the insertion direction P). The screw shaft portion 4a is allowed to move in the insertion direction P by being elastically deformed (as the inclination increases), and the screw shaft portion 4a is inserted into the insertion hole 6e and the through hole 10. When the screw shaft 4a (screw 4) is pushed in, the distal end portion 11a of the elastic engagement piece 11 provided on the plate-like body 8 of the screw fixture 7 is engaged with the screw groove of the screw shaft 4a. The screw shaft 4a (screw 4) is prevented from coming off. Thus, the wiring device 2 is attached and fixed to the box body 6, that is, the wiring box 5 together with the holding panel 3.

Here, a manufacturing method of the wiring box 5 will be described. This manufacturing method includes the following steps as shown in FIG.
<Box body manufacturing process> A plurality of box bodies 6 are manufactured.
<Connecting body manufacturing process> A plurality of fixing body connecting bodies 100 are manufactured in which a plurality of screw fixing tools 7 and 7 are connected to each other so as to be aligned in the same direction.
<Box Body Supplying Step> The box body 6 is inserted into the box body 6 with an insertion means for inserting the screw fixing tool 7 into the box body 6 and the opening direction of the receiving hole 6f of the boss portion 6d (fixing tool receiving portion) is changed. Align and supply sequentially.
<Connecting body feeding process> The fixing tool connecting body 100 is sent to a connection releasing means for releasing the connection of the screw fixing tool 7 in the fixing tool connecting body 100.
<Fixing tool supply process> The screw fixing tools 7 and 7 released from the connection by the connection releasing means are inserted in a state where the insertion side faces the opening of the receiving hole 6f of the boss portion 6d (fixing tool receiving portion) of the box body 6. And sequentially supplying the insertion means of the insertion process section.
<Fixing tool insertion step> The screw fixing tools 7 are sequentially inserted into the boss portion 6d (fixing tool receiving portion) of the box body 6 by the insertion means.

  Specifically, in the box body manufacturing process, for example, a synthetic resin material is injection-molded to continuously manufacture a plurality of box bodies 6. In the box body supply step, the box body 6 is inserted with an insertion device as an insertion means for inserting the screw fixing tool 7 into the box body 6 by a box body transport device such as a belt conveyor. Supply to the process department. Thus, the manufacture of the box body 6 and the supply to the insertion process section are continuously performed.

  An insertion process part is a work area | region which inserts the screw fixing tool 7 in the boss | hub part 6d (specifically the accommodation hole 6f) of the box main body 6 with the said insertion apparatus. In this insertion process portion, the screw fixing tool 7 is inserted into the upper boss portion 6d (specifically, the accommodation hole 6f) which is one of the boss portions 6d and 6d on each side of the box body 6. The insertion device (first insertion device) and the insertion device (second insertion device) for inserting the screw fixing tool 7 into the lower boss 6d (specifically, the accommodation hole 6f) which is the other side. Is provided. Then, the box body 6 is sequentially supplied to the insertion process section with the opening 6a side thereof facing upward, for example, with the opening direction of the receiving hole 6f of the boss section 6d aligned in one direction.

  On the other hand, by a connecting body manufacturing process, for example, a single metal plate having spring properties such as a steel plate or a copper alloy plate is pressed to manufacture a plurality of fixture connecting bodies 100 continuously. As shown in FIGS. 6 to 9, the fixture coupling body 100 includes a plurality of (6 in the illustrated embodiment) screw fixtures 7 and 7, each of which constitutes a unit body. , 101 are connected to each other so as to be continuously arranged in the horizontal direction in the same direction. In the illustrated embodiment, the connecting portion 101 is provided integrally with the connecting pieces 13 and 13 between the connecting pieces 13 and 13 of the screw fixtures 7 and 7 adjacent to each other (in detail, adjacent to each other). And provided at the center part of the side surfaces facing each other. That is, the screw fixtures 7 and 7 are continuously connected such that their side surfaces (side surfaces formed in a substantially U-shape in the illustrated embodiment) face each other. Then, in the connecting body feeding step, the fixing device connecting body 100 is sent to the connection releasing means by a fixing device conveying device such as a belt conveyor.

  Here, in the vicinity of the first insertion device, a first cutting device as the connection release means, and in the vicinity of the second insertion device, a second cutting device as the connection release means, respectively. These cutting devices are each provided with a cutting blade capable of cutting the connecting portion 101 of the fixture connecting body 100. Moreover, the said fixing tool conveyance apparatus has the 1st conveyance part which sends the fixing tool coupling body 100 to the said 1st cutting device, and the 2nd conveyance part which sends the fixing tool coupling body 100 to the said 2nd cutting device. A part of the manufactured fixture coupling bodies 100, 100 is configured such that the lateral direction in which the screw fixtures 7, 7 are arranged and the conveyance direction of the first conveyance unit are in the same direction, A part thereof is sent to the first cutting device so that the lateral direction in which the screw fixtures 7 and 7 are aligned and the transport direction of the second transport unit are in the same direction. Sent.

Then, in the fixture supplying step, the connecting portions 101 and 101 of the fixture connecting body 100 sent to the first cutting device are cut one by one in order from the end by the first cutting device. The connection of the screw fixtures 7 and 7 is released one by one. Then, the bosses 7 and 7 which have been disconnected are inserted into the bosses on the upper side (one side) of the box body 6 whose insertion side (that is, the side where the connecting piece 13 is provided) is supplied to the insertion process section. In the state of facing the portion 6d (specifically, the opening of the accommodation hole 6f), it is sequentially supplied to the first insertion device of the insertion process portion. Similarly, the connecting portions 101 and 101 of the fixture connecting body 100 sent to the second cutting device are cut one by one in order from the end by the second cutting device, and the screw fixing tool 7 one by one. , 7 is released. Then, the screw fixtures 7 and 7 that are released from the connection are inserted on the lower side (the other side) of the box body 6 whose insertion side (that is, the side where the connecting piece 13 is provided) is supplied to the insertion process section. In the state facing the boss portion 6d (specifically, the opening of the accommodation hole 6f), it is sequentially supplied to the second insertion device of the insertion process portion. At this time, the cutting operation of the connecting portions 101 and 101 is performed, for example, on the first transporting portion and the second transporting portion, and the screw fasteners 7 and 7 that have been disconnected are used as they are. It is sent to the insertion step by the first transport unit and the second transport unit, and is supplied to the first insertion device and the second insertion device, respectively. Since the first cutting device is provided in the vicinity of the first insertion device and the second cutting device is provided in the vicinity of the second insertion device, the boss portion 6d of the box body 6 is provided. (Specifically, the cutting operation is performed immediately before the screw fixing members 7 and 7 are inserted into the housing holes 6f and 6f of the boss portions 6d and 6d on the respective sides, and the screw fixing members 7 and 7 The connection will be released.

  In the fixing tool insertion step, first, the screw fixing tool 7 is pushed into the upper (one side) boss portion 6d (specifically, the accommodation hole 6f) of the box body 6 by the first insertion device. And insert. Next, the screw fixing tool 7 is inserted into the boss 6d (specifically, the accommodation hole 6f) on the lower side (the other side) of the box body 6 by the second insertion device so as to be pushed. Thereafter, the box body transporting device sends out the box body 6 in which the screw fixtures 7 and 7 are respectively inserted into the upper and lower bosses 6d and 6d, and supplies the next box body 6 to the insertion process section. . Further, the next screw fixtures 7 and 7 are supplied to the first insertion device and the second insertion device, respectively, by the first conveyance unit and the second conveyance unit of the fixture conveyance device. In this way, the screw fixtures 7 and 7 are sequentially inserted into the plurality of box bodies 6 and 6.

Next, the manufacturing method of the wiring box having the above-described configuration and the function and effect of the fixture assembly used for manufacturing the wiring box will be described. In this wiring box manufacturing method, a plurality of box bodies 6 are continuously manufactured, and the manufactured box bodies 6 and 6 are sequentially arranged in the insertion process section with the opening direction of the receiving holes 6f of the boss sections 6d aligned. Supply. On the other hand, a plurality of the fixture coupling bodies 100 in which a plurality of screw fixtures 7 and 7 are coupled to each other are continuously manufactured, and the fixture coupling bodies 100 and 100 are connected to the cutting device (first cutting device). And the second cutting device. Thereafter, the screw fixing members 7 and 7 that are disconnected by the cutting devices (the first cutting device and the second cutting device) are inserted into the bosses of the box body 6 on the insertion side (that is, the side having the connecting piece 13). It is sequentially supplied to the insertion device (first insertion device and second insertion device) in a state of facing the portion 6d (specifically, the opening of the receiving holes 6f, 6f of the boss portions 6d, 6d on each side). Then, with the insertion devices (first insertion device and second insertion device), screws are fixed to the boss portions 6d of the box body 6 (specifically, the housing holes 6f and 6f of the boss portions 6d and 6d on the respective sides). The tools 7 and 7 are inserted sequentially. Therefore, the insertion devices (the first insertion device and the second insertion device) can be easily and surely aligned without the trouble of aligning the directions of the screw fixing members 7 and 7 one by one manually. The wiring box 5 can be continuously produced.

Further, the cutting device (first cutting device and second cutting device) for releasing the connection of the screw fixtures 7 and 7 is provided in the vicinity of the insertion device (first insertion device and second insertion device). The screw fixing members 7 and 7 constituting the fixing member connecting body 100 are released from the connection with the screw fixing members 7 and 7 by the boss portion 6d of the box body 6 (specifically, the boss portion 6d on each side, 6d, immediately before being inserted into the receiving holes 6f, 6f). That is, by maintaining the connection of the screw fixing members 7 and 7 until just before being inserted into the boss portion 6d (specifically, the receiving holes 6f and 6f of the boss portions 6d and 6d on the respective sides), Each screw fixing tool 7, 7 has an insertion side (side with the connecting piece 13) on the boss 6 d of the box body 6 (specifically, in the receiving holes 6 f, 6 f of the boss 6 d, 6 d on each side ). It becomes easy to supply to the insertion device (first insertion device and second insertion device) in a state facing the opening ).

Moreover, in the fixture coupling body 100, unless the coupling part 101 is broken, each screw fixture 7, 7 constituting the unit body maintains one coupling body, so that it can be stored inside and outside the production factory. The screw fixing tools 7 and 7 are not entangled with each other, and the handling is easy. In addition, according to the fixture connecting body 100, the screw fixtures 7 and 7 are connected to each other so as to be continuously arranged in the horizontal direction in the same direction, so that the directionality is determined. When manufacturing the wiring box 5, the screw fixing members 7, 7 that are united by releasing the connection are inserted into the boss portion 6 d of the box body 6 (the side with the connecting piece 13). in particular, the upper and lower each side of the boss portion 6d, of 6d, accommodating hole 6f, it even easier to supply in a state facing 6f opening), continuous production of the wiring box 5 with a screw fastener 7 Suitable for

  10 and 11 show an embodiment of a method for manufacturing a wiring box cover as a second embodiment of the present invention. In this embodiment, a wiring box cover 21 is assembled to the wiring box 20 from the front, and the same screw fixing tool 7 as that of the first embodiment is attached to the wiring box cover 21. Provided.

  The wiring box cover 21 includes a box cover main body 22 having an opening 22a opened in the front and rear, and a box cover main body for fixing the wiring device 2 to the box cover main body 22 from the front side with screws 4. And a screw fixing tool 7 which is inserted into a boss portion 22d serving as a fixing tool receiving portion provided in 22 and accommodated. Here, the screw fixing tool 7 is the same as that of the first embodiment as described above.

  Specifically, the box cover main body 22 is made of, for example, a synthetic resin, and has a frame shape having an opening 22a that opens in the front and rear, for example, a rectangular frame shape (see FIG. 10). And the box cover main body 22 is provided with the 1st surrounding wall 22b which protrudes ahead from the inner peripheral side, and the 2nd surrounding wall 22c which protrudes back from the outer peripheral side. And the boss | hub part 22d is provided in the 1st surrounding wall 22b. The boss portion 22d is formed on each of the upper and lower sides of the box cover body 22 so as to protrude from the first peripheral wall 22b toward the opening hole 22a. An insertion hole 22e into which the screw 4 (specifically, the screw shaft portion 4a) is inserted is formed in the boss portion 22d from the front side to the rear side of the box cover main body 22. The boss portion 22d has an accommodation hole 22f into which the screw fixing tool 7 is inserted and accommodated so as to extend in a direction intersecting the insertion hole 22e and open in the intersecting direction. Specifically, the accommodation hole 22f extends in a direction orthogonal to the insertion hole 22e and opens in the orthogonal direction (in the illustrated embodiment, it opens on the outer surface of the first peripheral wall 22b) (see FIG. 11). This housing hole 22f is similar to the housing hole 6f of the first embodiment, from the main housing hole 22g on the front side and the auxiliary housing hole 22h on the rear side for releasing the elastic engagement piece 11 in the screw fixture 7. Composed. Moreover, the recessed part 22i is formed in the inner surface of the 2nd surrounding wall 22c, for example on each upper and lower side.

  On the other hand, the box 20 has a box shape having an opening 20a on the front surface, for example, a rectangular parallelepiped shape. And the protrusion 20c is formed in the surrounding wall 20b of the box 20 on the upper and lower sides, for example. Here, the protrusion 20 c engages with the recess 22 i in the wiring box cover 21, and thus the wiring box cover 21 is attached and fixed to the box 20. In the illustrated embodiment, the wiring box cover 21 and the box 20 are assembled and embedded in the wall 1 made of, for example, concrete so that the opening hole 22a faces the front side of the wall 1. In the wiring box cover 21, as in the wiring box 5 of the first embodiment, the wiring device 2 is connected to the box cover body 22, that is, the wiring box cover 21 via the holding panel 3. And fixed.

Moreover, the manufacturing method of this box cover for wiring has the following processes, as shown in FIG.
<Box Cover Body Manufacturing Process> A plurality of box cover bodies 22 are manufactured.
<Connecting body manufacturing process> A plurality of fixing body connecting bodies 100 are manufactured in which a plurality of screw fixing tools 7 and 7 are connected to each other so as to be aligned in the same direction.
<Box Cover Body Supplying Step> The box cover body 22 is inserted into the insertion hole of the boss portion 22d (fixing tool housing portion) in the insertion process portion provided with the insertion means for inserting the screw fixing tool 7 into the box cover body 22. Sequentially supply with aligned openings.
<Connecting body feeding process> The fixing tool connecting body 100 is sent to a connection releasing means for releasing the connection of the screw fixing tool 7 in the fixing tool connecting body 100.
<Fixing Tool Supplying Step> The screw fixing tools 7 and 7 that have been disconnected by the connection releasing means are inserted into the housing hole 22f of the boss portion 22d (fixing tool storage portion) of the box cover main body 22. In the state, it is sequentially supplied to the insertion device of the insertion process section.
<Fixing tool insertion step> The screw fixing tools 7 are sequentially inserted into the boss portion 22d (fixing tool receiving portion) of the box body 22 by the inserting means.

  In the method for manufacturing the wiring box cover, the same fastener coupling body 100 as that in the first embodiment is used. And the manufacturing method of this wiring box cover will show the same effect as the manufacturing method of the wiring box of 1st embodiment.

  In addition, this invention is not necessarily limited to embodiment mentioned above, A various other change is possible. For example, the wiring device 2 is attached and fixed to the box body 6 (wiring box 5) or the box cover body 22 (wiring box cover 21) via the holding panel 3, but directly attached and fixed. There may be. Further, the shape, number, and arrangement of each component of the box main body 6 (wiring box 5), the box cover main body 22 (wiring box cover 21), and the screw fixture 7 may be appropriately changed.

  Further, in the screw fixture 7, the plate-like body 8 does not have only one elastic engagement piece 11, but at least one of the plurality of plate-like bodies 8, 8, or the plurality of plate-like bodies 8, All of 8 may have a plurality of elastic engagement pieces 11. Further, the screw fixing tool 7 may be provided independently without being connected to each other, even if the plurality of plate-like bodies 8, 8 are not connected and integrated, or the plate-like body 8 is provided as one unit. It may be provided.

  Moreover, the front-end | tip part 11a of the elastic engagement piece 11 in the screw fixing tool 7 may incline beforehand according to the lead angle of the screw groove of the screw shaft part 4a inserted. Moreover, it is preferable to arrange | position the front-end | tip part 11a of these elastic engagement pieces 11 by the space | interval of the integral multiple of the pitch of the screw groove of the screw shaft part 4a. The elastic engagement pieces 11 may be different in shape, elastic force (spring constant), or number in each plate-like body 8, and the elastic engagement pieces 11 may be attached to one plate-like body 8. Are provided, the elastic engagement pieces 11, 11 may be different in shape or elastic force (spring multiplier).

  Moreover, the said connection body manufacturing process and the said box main body manufacturing process may be performed simultaneously, or you may perform either process first.

  Further, in the box body supply step, the box body 6 may be supplied so that the opening 6a side faces upward and is not supplied to the insertion step portion, or is supplied downward or sideways. Good.

  In addition, the connection release means may not be a cutting device having a cutting blade capable of cutting the connecting portion 101 of the fixing tool connecting body 100, for example, by connecting the screw fixing tool 7 in the fixing tool connecting body 100 with the connecting portion 101. A device that breaks the connecting portion 101 by bending or the like may be used, or a device that melts the connecting portion 101 may be used. Further, the cutting device (the first cutting device and the second cutting device) may not necessarily be provided in the vicinity of the insertion device (the first insertion device and the second insertion device). Further, it is not necessary to cut the connection portions 101 and 101 of the fixture connection body 100 one by one from the end in order to release the connection of the screw fixtures 7 and 7 one by one. The cutting method is arbitrary, for example, a plurality of 101 may be cut together and a plurality of screw fixtures 7 and 7 may be disconnected together.

Further, the screw fixtures 7 and 7 which are released from the connection are in a state where the insertion side (the side where the connecting piece 13 is present) faces the boss portion 6d of the box body 6 (specifically, the opening of the accommodation hole 6f). For example, after the connection is released by the connection release means (cutting device or the like), it is sent to the insertion device by the fixture conveying device without changing the direction. Alternatively, the direction may be changed uniformly before being sent to the insertion device by the fixture conveying device. Furthermore, by providing the connection release means (cutting device or the like) in the insertion process section, the screw release means (cutting device or the like) of the screw fixing tools 7 and 7 constituting the fixture connecting body 100 is provided At the same time that the connection of one or a plurality of screw fixing tools 7 is released, the screw fixing tools 7 may be supplied to the insertion device.

  Further, the connection of the screw fixing members 7 and 7 is released, and the screw fixing members 7 and 7 whose connection is released are inserted into the boss portions 6d of the box body 6 (specifically, the receiving holes 6f and 6f). May be performed by one apparatus. That is, one device serves as both a connection releasing means (cutting device or the like) for releasing the connection of the screw fixing tools 7 and 7 and an insertion means (inserting device) for inserting the screw fixing tool 7 into the box body 6. It may be a thing.

  The insertion process section includes the first insertion device for inserting the screw fixing tool 7 into the upper boss 6d (specifically, the accommodation hole 6f) of the box body 6 and the lower boss 6d (detail). Even if the second insertion device for inserting the screw fixing tool 7 is not provided in the accommodation hole 6f), for example, the boss portions 6d and 6d on both the upper and lower sides (specifically, the accommodation hole 6f) , 6f) may be provided with one insertion device capable of inserting the screw fixtures 7,7. Further, after the screw fixing tool 7 is inserted into the upper boss portion 6d (specifically, the accommodation hole 6f) of the box body 6, the screw is inserted into the lower boss portion 6d (specifically, the accommodation hole 6f). Even if the fixture 7 is not inserted, the order in which the screw fixtures 7 and 7 are inserted into the upper and lower boss portions 6d and 6d (specifically, the accommodation hole 6f) is arbitrary. Moreover, you may insert the screw fixing tools 7 and 7 simultaneously into the boss | hub parts 6d and 6d (specifically the accommodation hole 6f) of the upper and lower sides.

  Further, before and after the fixing tool insertion step, for example, a step of inserting and attaching another member to the box body 6 may be provided.

  Moreover, even if the connection part 101 of the fixture connection body 100 is not provided in the center part of the side surface which mutually opposes the adjacent connection piece 13, for example, the both ends connected with each plate-shaped body 8 and 8 in the side surface It may be provided so as to be offset toward one of the end portions, or may be provided over the entire side surface. Further, the connecting portion 101 may be formed thinner than the connecting piece 13. Even if the connecting portion 101 is not provided between the connecting pieces 13 and 13 of the screw fixing tools 7 and 7 adjacent to each other, for example, at least one plate-like body of the screw fixing tools 7 and 7 adjacent to each other. 8 and 8 may be provided between the substrate portions 9 and 9. Further, a plurality of connecting portions may be provided between the screw fixtures 7 and 7 adjacent to each other. In short, as long as the connecting portion 101 can be broken, its shape, number, and arrangement are not limited to the illustrated embodiment, and are arbitrary.

  Further, the fixture coupling body 100 is arranged in the vertical direction even if the screw fixtures 7 and 7 are not coupled to each other via the breakable coupling portions 101 and 101 so as to be arranged in the horizontal direction in the same direction. They may be connected to each other.

  Here, FIGS. 13-18 show the modification of a fixing tool coupling body. The screw fixture 7 in the fixture coupling body 100 includes one plate-like body 8, and the substrate portion 9 in the plate-like body 8 is composed of a front plate 9a and a side plate 9b, and has a substantially L-shaped cross section. (See FIGS. 13 and 14). The front plate 9a is formed in a frame shape, and the elastic engagement piece 11 and the through hole 10 are provided side by side in the frame. The elastic engagement piece 11 is extended from the side opposite to the through hole 10 toward the through hole 10 inside the front plate 9a. The elastic engagement piece 11 is bent and extends so as to be inclined in the insertion direction P of the screw shaft portion 4a, and the tip end portion 11a is bent so as to extend in parallel with the front plate 9a. Moreover, the end surface of the front-end | tip part 11a is formed in concave shape so that the surrounding surface of the screw shaft part 4a may be followed. Further, in the screw fixing device 7, the front plate 9 a is engaged with the screw groove of the screw shaft portion 4 a inserted into the through hole 10 on the opposite side to the elastic engagement piece 11 with the through hole 10 interposed therebetween. It has a joint 12. And this screw | thread fixing tool 7 is accommodated in the accommodation hole 6f so that the side with the said side plate 9b may become the back | inner side of the accommodation hole 6f, for example.

  And this fixture coupling body 100 is formed by pressing a single metal plate having spring properties such as a steel plate or a copper alloy plate, for example. In FIG. 5, five screw fasteners 7 and 7 are connected to each other so as to be continuously arranged in the horizontal direction in the same direction via breakable connecting portions 101 and 101. This connecting portion 101 is connected to one end of the front plates 9a, 9a of the board portions 9, 9 of the plate-like bodies 8, 8 of the screw fixtures 7, 7 adjacent to each other (in detail, the side plates 9b, 9b (the end opposite to the side where 9b is present) (see FIGS. 13 to 16). The connecting portion 101 may be provided at the end of the front plates 9a and 9a on the side where the side plates 9b and 9b are present, or provided over the entire side surface of the front plates 9a and 9a. It may be. Further, the connecting portion 101 may be formed thinner than the front plate 9a. Moreover, the connection part 101 may be provided between the said side plates 9b and 9b. Further, a plurality of connecting portions may be provided between the screw fixtures 7 and 7 adjacent to each other.

  As described above, as illustrated as a modification of the fixture coupling body 100, the fixture coupling body 100 is not limited to the one shown in the illustrated embodiment because various configurations are conceivable. That is, it is needless to say that the constituent parts of the above-described fixture coupling body 100 may be appropriately combined, or the shape, number, and arrangement of the constituent parts may be appropriately changed.

It is a longitudinal cross-sectional view of the box for wiring of 1st embodiment of this invention. Similarly, it is the A section enlarged view in FIG. Similarly, it is an enlarged view of a screw fixture. Similarly, it is sectional drawing by the BB line in FIG. Similarly, it is a flowchart figure which shows the manufacturing method of the box for wiring. Similarly, it is an expansion perspective view of a fixture coupling body. Similarly, it is an enlarged plan view. Similarly, it is an enlarged front view. Similarly, it is an enlarged side view. It is a longitudinal cross-sectional view of the box cover for wiring of 2nd embodiment of this invention. Similarly, it is the C section enlarged view in FIG. Similarly, it is a flowchart showing a method for manufacturing a wiring box cover. It is an enlarged view of the screw fixing tool in the modification of a fixing tool coupling body. Similarly, it is sectional drawing by the DD line in FIG. Similarly, it is an expansion perspective view of a fixture coupling body. Similarly, it is an enlarged plan view. Similarly, it is an enlarged front view. Similarly, it is an enlarged side view. It is a longitudinal cross-sectional view which shows the conventional box for wiring. Similarly, it is an expansion perspective view of a screw fixture provided in the box for wiring.

2 Wiring device 4 Screw 4b Axis 5 Wiring box 6 Box body 6a Opening 6d, 22d Boss part (fixing tool accommodating part)
6f, 22f accommodation hole 7 screw fixture 8 plate-like body 9 substrate portion 10 through hole 11 elastic engagement piece 11a tip portion 13 connecting piece 21 box cover for wiring 22 box cover main body 22a opening hole 100 fixture connection body 101 connection portion

Claims (7)

A box body having an opening on the front surface, and the box body is inserted and housed in a fixture housing portion provided on the inside front side of the box body for mounting and fixing a wiring device from the front side using a screw. A method for manufacturing a wiring box comprising:
Manufacturing the box body, a box body manufacturing process;
A coupling body manufacturing process for manufacturing a fixture coupling body in which the plurality of screw fixing tools are coupled to each other so as to be aligned in the same direction;
A box body supply step for supplying the box body to an insertion process portion provided with an insertion means for inserting the screw fixing tool into the box body with the opening direction of the accommodation hole of the fixture accommodation portion being aligned;
A connecting body feeding step of sending the fixing body connection body to a connection releasing means for releasing the connection of the screw fixing body in the fixing body connection body;
A fixing device that supplies the screw fixing member released from the connection releasing means to the insertion means in the insertion process section with the insertion side facing the opening of the receiving hole of the fixing tool receiving section of the box body. Ingredient supply process;
A fixing tool insertion step of inserting the screw fixing tool into the fixing tool receiving portion of the box body by the inserting means;
A method for manufacturing a wiring box, comprising: By providing the connection release means in the vicinity of the insertion means,
2. The method of manufacturing a wiring box according to claim 1, wherein the connection of the screw fixing tool is released immediately before the screw fixing tool is inserted into the fixing tool receiving portion.   The screw fixing device includes a plate-like body having a substrate portion, a through hole through which a screw shaft portion of the screw passes, and an elastic engagement piece extending from the substrate portion. A method for manufacturing the wiring box according to 2.   The screw fixture includes a plurality of the plate-like bodies arranged in the axial direction of the screw, and the plurality of plate-like bodies are connected and integrated, and the tips of the elastic engagement pieces in the plate-like bodies The method of manufacturing a wiring box according to claim 3, wherein the portion is located at least apart in the axial direction.   Two plate-like bodies are provided, and these two plate-like bodies are arranged so that the substrate portions are positioned in parallel, and are connected to each other via a connecting piece on one side of the substrate portion. The manufacturing method of the box for wiring of Claim 4 which is united. A box cover main body having an opening hole opened in the front and rear, and inserted into a fixing tool receiving portion provided in the box cover main body for mounting and fixing a wiring device to the box cover main body from the front side using a screw. A method for manufacturing a wiring box cover comprising a screw fixture to be housed,
A cover body manufacturing process for manufacturing the box cover body;
A coupling body manufacturing process for manufacturing a fixture coupling body in which the plurality of screw fixing tools are coupled to each other so as to be aligned in the same direction;
A cover main body supplying step of supplying the box cover main body with the opening direction of the receiving hole of the fixing device receiving portion being aligned to an inserting step provided with an inserting means for inserting the screw fixing tool into the box cover main body. When,
A connecting body feeding step of sending the fixing body connection body to a connection releasing means for releasing the connection of the screw fixing body in the fixing body connection body;
The screw fixing tool that has been disconnected by the connection releasing means is supplied to the insertion means of the insertion process section with the insertion side facing the opening of the receiving hole of the fixing tool receiving section of the box cover body. A fixture supply process;
A fixing tool insertion step of inserting the screw fixing tool into the fixing tool receiving portion of the box cover body by the insertion means;
A method for manufacturing a wiring box cover. By providing the connection release means in the vicinity of the insertion means,
The method for manufacturing a wiring box cover according to claim 6, wherein the connection of the screw fixing tool is released immediately before the screw fixing tool is inserted into the fixing tool receiving portion.

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