JP6527766B2 - Assembled storage box - Google Patents

Description

  The present invention relates to an assembled storage box installed in a room.

  Conventionally, as shown in FIG. 22, as the assembly type storage box 50, a pair of left and right side plates 51, 51, a top plate 52 fixed to the upper end portion of the side plates 51, 51, and the side plates 51, 51. It is known that a back plate 54 is attached to the back surface of a frame constituted by a bottom plate 53 fixed to the lower end portion of the frame. Such an assembly type storage box 50 is formed by joining one side end face of the top plate 52 and the bottom plate 53 to upper and lower end edges of one side plate 51 with a dowel or a screw, respectively, to form a U shape. The back plate 54 is inserted into the groove 55 previously formed on the back side of these plate members, and the other side plate 51 is similarly joined to the other side end face of the top plate 52 and the bottom plate 53 by dowels or screws. The procedure was done.

  In such a conventional assembly-type storage box 50, the assembly operation takes a lot of time and labor and takes a long time, and when joining the plate members with a screw, for example, for joining with the person holding the plate by hand There was a problem that a plurality of workers had to hit the work, such as a person who tightens the screws.

  In order to reduce the labor of such assembly work, in Patent Document 1 below, the side plate portion and the top plate portion or the bottom plate portion are integrally connected, and at the boundary portion between the side plate portion and the top plate portion or the bottom plate portion. Patent Document 2 proposes that side panels are attached to both sides of the back panel by hinges and the side panel is opened in a direction orthogonal to the back panel. As it is formed in a box-shaped body opened forward, the connection fitting is attached to the back panel and the side panel, and a mounting fitting to be fitted into the connection fitting is attached to the top plate, the base plate and the fixed shelf, and attached to the connection fitting It has been proposed that a top plate, a base plate and a fixed shelf be fixed to the back panel and the side panel by fitting a metal fitting.

JP 2003-199640 A JP 2014-204804 A

  However, although the assembling operation is simplified by connecting a part of the plate members integrally in the above-mentioned Patent Document 1 as it is necessary to connect the other side plate portion with a dowel, a screw or the like. , There was still a problem that it takes time to assemble work. Moreover, although there is no fixation with a dowel or a screw in the thing of the said patent document 2, an assembly operation becomes easy, but since a back panel and a side panel are only fixed by a hinge and not fixed, the assembled storage box becomes It is considered to be structurally weak. In addition, since a thin plate material is generally used as the back panel, when the side panel is opened in the direction orthogonal to the back panel, the back panels are bent and the facing side panels are parallel to each other. May not. For this reason, the stability of the side panel is poor, and it is difficult to fit the mounting fitting into the connection fitting when fixing the top plate, the base plate, etc., and a plurality of workers are required such as a person holding the plate and a person fitting the metal fitting. May be

  Therefore, the main object of the present invention is to shorten the operation time and to reduce the number of personnel required for the operation in assembling the assembly-type storage box, and to increase the structural strength of the storage box.

In order to solve the above-mentioned problems, as the present invention according to claim 1, in an assembled type storage box formed by assembling at least one set of side plates, a top plate and a bottom plate,
The top plate and the bottom plate are rotatably connected to upper and lower ends of one side plate by hinge members,
The hinge member is fixed to the inner surface side of the one side plate and has a hollow portion opening toward the inner surface side, and along both sides of the hollow portion substantially along the vertical direction of the side plate A fixed-side fixing device in which a guide groove having a sloped portion toward the outer surface side toward the end in the vertical direction is formed, a movable-side fixing device fixed to the inner surface of the top plate and the bottom plate, and the fixing It is a small piece member which connects the side fixing tool and the movable side fixing tool, and it engages with the guide groove of the fixed side fixing tool at one end side, and the movable side fixing tool can be moved along the guide groove And a connecting piece provided on the other end side with a rotating shaft that engages with the movable fixing device and rotatably connects the movable fixing device.
When fixing the top plate to the side plate from the folded state to the one side plate side, the top plate centering on the pivot shaft portion in a state where the engagement shaft portion is disposed on the lower end side of the guide groove Is opened perpendicularly to the side plate, and then the engagement shaft portion is moved to the upper end side of the guide groove to bring the end face of the top plate into contact with the upper end portion of the side plate. Fix the plate by the fixing means,
When the bottom plate is fixed to the side plate from the state of being folded to the one side plate side, the bottom plate is centered on the pivot shaft portion while the engagement shaft portion is disposed on the upper end side of the guide groove. After being opened perpendicularly to the side plate, the engagement shaft portion is moved to the lower end side of the guide groove, and the end face of the bottom plate is brought into contact with the lower end portion of the side plate to fix the side plate and the bottom plate An assembled storage box is provided, characterized in that it is fixed by means.

  In the invention according to the first aspect, each of the top plate and the bottom plate is rotatably connected to the upper and lower end portions of one side plate by a hinge member. Therefore, when the top plate and the bottom plate are folded to one side plate side and fixed to the side plate at the time of assembly work, the top plate or the bottom plate is pivoted about the hinge member to open vertically to the side plate After that, because it can be fixed by the fixing means in the prescribed procedure, the working time required for assembly can be shortened, and the number of personnel required for the work can be reduced. In principle, only one worker should carry out the work Will be able to Further, since the side plate having a relatively high bending strength and the top plate and the bottom plate are connected by the hinge member and fixed by the fixing means, the strength of the assembled storage box is increased and the bending of the plate also occurs during the assembly operation. Can be reduced and working time can be shortened.

As the present invention according to claim 2, the fixing means is fixed to the plate material on one side at a portion where the side plate and the top plate or the bottom plate abut, protrudes toward the plate material on the other side, and The headed shaft provided with a head having a diameter larger than that of the shaft portion, and a fixing tool fixed to the plate on the other side and engaged with the headed shaft to fix the plates to each other,
The fixing device has a hollow portion inside, and a case formed so that an opening portion into which the headed shaft can be inserted is communicated with the hollow portion, and an axis of the headed shaft in the hollow portion of the case A notch is formed so as to be rotationally operable with an axis orthogonal to the direction as a rotation center, and a head portion of the headed shaft can be inserted therein, and a shaft of the headed shaft is formed continuously with the notch. An engaging groove in which a portion can be inserted is formed along the rotational direction, and a retractable fixing member formed so that the thickness of the circumferential surface along the engaging groove is gradually increased from the notch along the circumferential direction The collapsible storage box according to claim 1 is provided.

  The invention according to claim 2 specifically defines the fixing means for fixing the plate members. The fixing means is configured by fixing a headed shaft to the plate material on one side and fixing a fixing tool for fixing the plate members by engaging the headed shaft to the plate material on the other side. There is. The fixing device is provided rotatably in a hollow portion of the case so as to be rotatable about an axis orthogonal to the axial direction of the headed shaft, and a notch portion into which the head of the headed shaft can be inserted is formed. And an engaging groove into which the shaft portion of the headed shaft can be inserted is formed along the rotational direction continuously to the notch portion, and the thickness of the circumferential surface along the engaging groove is the notch portion And a retractable fixing member formed so as to become gradually thicker along the circumferential direction. Therefore, the plate members can be easily fixed to each other by rotating the pull-in fixing member and pulling in the headed shaft by the pull-in fixing member.

  As a third aspect of the present invention, a back plate is installed on the back side, and the back plate and all or part of the side plate, the top plate, and the bottom plate are fixed by the fixing means. A kit according to the present invention is provided.

  In the invention according to the third aspect, when the back plate is installed on the back side, the back plate and all or part of the side plate, the top plate and the bottom plate are fixed by the fixing means.

  As described above in detail, according to the present invention, the working time can be shortened in assembling the assembly-type storage box, the number of personnel required for the work can be reduced, and the structural strength of the storage box can be enhanced.

It is a front view of the assembly-type storage box 1 which concerns on this invention. FIG. 1 is a perspective view of an assembled storage box 1; FIG. 2 is an exploded perspective view of the assembled storage box 1; FIG. 6 is a front view showing a folded state of the side plate 2 connected by the hinge member 10, the top plate 4 and the bottom plate 5; FIG. 6 is an exploded perspective view showing a folded state of the side plate 2 connected by the hinge member 10 and the top plate 4 and the bottom plate 5; The hinge member 10 is shown, (A) is a perspective view from the upper side, and (B) is a perspective view from the lower side. The hinge member 10 is shown, (A) is a front view, (B) is a top view, and (C) is a side view. (A)-(C) are procedure diagrams which fix the top plate 4 to the side plate 2. FIG. It is a perspective view which shows the attachment state to the side plate 3 and the top plate 4 of the fixing means 20. FIG. (A) is a perspective view of the fixing tool 22, (B) is a perspective view of the fixing tool 22 engaged with the headed shaft 21. (A) is a longitudinal cross-sectional view of the fixing tool 22, (B) is a bottom view. The case 27 is shown, (A) is a perspective view from the upper side, (B) is a perspective view from the lower side. The case 27 is shown, (A) is a front view, (B) is a top view, (C) is a side view, and (D) is a bottom view. It is a longitudinal cross-sectional view (case XIV-XIV arrow line view of FIG. 13 (A)) of case 27. FIG. It is a longitudinal cross-sectional view (case XV-XV arrow line view of FIG. 13C) of the case 27. The pull-in fixing member 28 is shown, (A) is a perspective view from above, and (B) is a perspective view from below. The pull-in fixing member 28 is shown, (A) is a front view, (B) is a top view, (C) is a side view, and (D) is a bottom view. It is a cross-sectional view (drawing XVIII-XVIII arrow line view of FIG.17 (C)) of the pulling-in fixing member 28. FIG. It is a longitudinal cross-sectional view (the XIX-XIX arrow line view of FIG. 17 (A)) of the pulling-in fixing member 28. FIG. It is a perspective view which shows the fastener 29. FIG. FIG. 8 is a side view of the hinge member 10 showing another example of the guide groove 15; It is a disassembled perspective view which shows the conventional storage box 50. As shown in FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  As shown in FIGS. 1 to 3, the assembled storage box 1 according to the present invention includes at least a pair of left and right side plates 2 and 3, and a top plate 4 fixed to upper ends of the side plates 2 and 3. It has a rectangular frame body formed by assembling a bottom plate 5 fixed to the lower ends of the side plates 2 and 3. The side plates 2 and 3 are disposed in the vertical direction in the longitudinal direction, and the top plate 4 and the bottom plate 5 are disposed in the direction in which the longitudinal direction is orthogonal to the vertical direction. As in the illustrated example, it is preferable that the back plate 6 be fixed to the back side of the frame to form a box-shaped body having an open front, as in the illustrated example. Further, one or a plurality of shelf plates may be disposed between the top plate 4 and the bottom plate 5 as necessary.

  In the assembled storage box 1, both end surfaces in the longitudinal direction of the top plate 4 and the bottom plate 5 are fixed to upper and lower end portions on the inner surface side of the side plates 2 and 3, respectively. Further, the end faces on the back side of the side plates 2 and 3 are fixed to the outer periphery of the plane on the front side of the back plate 6 respectively. The side plates 2 and 3, the top plate 4 and the bottom plate 5 are made of rectangular plate materials, and of the front and back surfaces, the inner surface is the inner surface when the assembled storage box 1 is assembled, and the outer surface is the outer surface. It is defined as

  In the assembled storage box 1, as shown in FIGS. 3 to 5, the top plate 4 is pivoted by the hinge member 10 to the upper end portion of one side plate 2 (the side plate 2 on the left side in the illustrated example). It is linked possible. The bottom plate 5 is rotatably connected to the lower end of one side plate 2 by a hinge member 10. Thereby, the top plate 4 and the bottom plate 5 are respectively folded to the side plate 2 side by the hinge member 10 and substantially parallel to the side plate 2 (see FIG. 4) and opened vertically to the side plate 2 (see FIG. It is possible to turn within about 90 ° between (see FIG. 1). The same hinge member 10 for connecting the top plate 4 and the side plate 2 and the hinge member 10 for connecting the bottom plate 5 and the side plate 2 are used, and are mounted upside down. Therefore, unless otherwise specified, the vertical direction of the hinge member 10 is described with reference to the arrangement direction of the hinge member 10, taking the hinge member 10 connecting the top plate 4 and the side plate 2 as an example.

  The hinge member 10 has a hollow portion 14 fixed to the inner surface side of one side plate 2 and opened toward the inner surface side, as shown in detail in FIGS. A fixed-side fixing tool 11 in which a guide groove 15 having a slope 15a toward the outer surface side is formed on both side surfaces of the hollow portion 14 along the vertical direction of the side plate 2 and toward the vertical end (upper side). The movable fixing member 12 fixed to the inner surface side of the top plate 4 and a small piece connecting the fixed fixing member 11 and the movable fixing member 12 at one end, the fixed fixing member An engaging shaft portion 16 engaged with the guide groove 15 of FIG. 11 and movably connecting the movable fixing device 12 along the guide groove 15 and engaged with the movable fixing device 12 at the other end side A pivoting shaft 17 for pivotably connecting the movable fixing device 12 Are mainly composed example was the connecting piece 13.

  As shown in FIG. 6 and FIG. 7 in particular, the fixed fixing device 11 is formed with a longitudinally elongated hollow portion 14 opening on the inner surface side of the side plate 2 and both side walls (corresponding to both sides in the width direction of the side plate 2). Of the main body portion 11a in which the guide grooves 15, 15 communicating with the hollow portion 14 are formed, and extending from the front end face of the main body portion 11a to both sides and lower side. It is comprised from the fixed plate 11b in which the screw holes 11c for 11c ... were formed.

  As shown in FIG. 5, the fixing-side fixing tool 11 is opened on the inner surface side of the side plate 2 and is fitted into a recess 2a formed in substantially the same shape as the outer shape of the fixing-side fixing tool 11. It is fixed to the side plate 2 by screwing to the side plate 2 through the holes 11 c. The fixing-side fixing tool 11 is arranged so as not to protrude outward from the plane on the inner surface side of the side plate 2 in a state of being fixed to the side plate 2 and to be accommodated in substantially the same plane as the inner surface of the side plate 2.

  As shown in FIGS. 6 and 7 in particular, the movable side fixing tool 12 is formed with a slit portion 12 b which continuously opens in an L shape from the inner surface side to the end surface side of the top plate 4 and both side walls The body 12a has openings 12c and 12c communicating with the slit 12b in the surface (corresponding to both sides in the width direction of the top plate 4), and extends from the front end face of the body 12a to both sides and lower And a fixed plate 12e in which screw holes 12d for screwing the top plate 4 are formed.

  The movable fixing device 12 is continuously opened from the inner surface side of the top plate 4 to the end surface contacting the side plate 2 as shown in FIG. 5 and is substantially the same as the outer shape of the movable fixing device 12. It is fitted into a concave portion 4a formed in a shape, and fixed by screwing to the top plate 4 through the screw holes 12d. In a state of being fixed to the top plate 4, the slit portion 12 b of the movable fixing member 12 continuously opens in an L shape from the inner surface of the top plate 4 to the end surface in the longitudinal direction. Further, the movable fixing tool 12 does not protrude outward from the flat surface on the inner surface side of the top plate 4 and the end surface in the longitudinal direction in a state fixed to the top plate 4, and substantially in the same plane as the inner surface and the end surface of the top plate 4 It is arranged to fit within.

  The connection piece 13 is a horizontally long small piece member formed in a flat plate shape, and in a front view (FIG. 7A), one side edge of the member in the longitudinal direction is formed in a straight line, and the other side edge is It is formed in a semicircular shape. Further, an opening 13a through which the engagement shaft 16 is inserted is formed at one end, and an opening 13b through which the pivot shaft 17 is inserted is formed at the other end. The connection piece 13 is fixed by inserting the engagement shaft portion 16 into the hole 13 a through the guide groove 15 in a state where one end side is inserted into the hollow portion 14 of the fixed fixing tool 11. The rotary shaft 17 is inserted into the opening 13 b through the opening 12 c while being connected to the side fixing tool 11 and inserting the other end side into the slit 12 b of the movable fixing tool 12. Thus, the movable fixing device 12 is connected. The connection piece 13 is provided movably in the hollow portion 14 integrally with the movable fixing member 12 and the top plate 4 as the engagement shaft portion 16 moves along the guide groove 15. It is done.

  About the guide groove 15 formed in the said fixing side fixing tool 11, the hinge member 10 which connects the side plate 2 and the top plate 4 is mentioned as an example, and is demonstrated concretely. As shown in FIG. 7A, the guide groove 15 is continuous with an inclined portion 15a linearly inclined in the upward direction toward the outer surface side of the side plate 2 and an upper end of the inclined portion 15a, as shown in FIG. And a vertically extending portion 15b extending linearly. Further, as a margin when drawing in and fixing the side plate 2 and the top plate 4 by the fixing means 20 described in detail later, a drawing margin which is continuous from the upper end of the vertical portion 15b and orthogonal to the outer surface side of the side plate 2 It is preferable to provide a strip 15c.

  The lower end of the inclined portion 15a of the guide groove 15 is, as shown in FIGS. 8A and 8B, the side plate 2 and the ceiling with the engagement shaft portion 16 disposed at the lower end of the inclined portion 15a. When switching between the state where the top 4 is folded (FIG. 8 (A)) and the state where the top 4 is opened (FIG. 8 (B)), turning around the pivot shaft 17 between the plate 4 and The top plate 4 is provided at such a position that a gap is formed such that the top plate 4 can rotate without hitting the side plate 2. The upper end of the inclined portion 15a is such that the end face of the upper plate 4 abuts on the inner surface of the side plate 2 in a state where the engagement shaft portion 16 is disposed at the upper end of the inclined portion 15a with the upper plate 4 open. It is provided in the position. Furthermore, with the upper end of the vertical portion 15b, when the engagement shaft portion 16 is disposed at the upper end of the vertical portion 15b (FIG. 8C), the plane on the outer surface side of the top plate 2 substantially matches the upper end surface of the side plate 2 It is provided in such a position.

  As shown in FIG. 4 and FIG. 5, the side plate 2 and the top plate 4 and the bottom plate 5 connected by the hinge member 10 are side plates as shown in FIGS. 4 and 5 before the storage box 1 is assembled. It is folded in two sides. For this reason, it becomes possible to handle it compactly, without bulk at the time of conveyance, storage, etc.

  In the illustrated example, one hinge member 10 is provided on each of the top plate 4 and the bottom plate 5, but a plurality of hinge members 10 may be provided separately in the width direction of the top plate 4 and the bottom plate 5.

  Next, the assembly procedure of the assembly-type storage box 1 will be described based on FIG. The top plate 4 and the bottom plate 5 are each connected to the upper and lower end portions of one side plate 2 rotatably by the hinge member 10 in advance. As described above, the top plate 4 and the bottom plate 5 are each folded to the side plate 2 side before assembly (FIGS. 8A and 4). Therefore, the top plate 4 and the bottom plate 5 are fixed to the side plate 2 respectively. First, the bottom plate 5 is fixed to the side plate 2. As the procedure, in a state where the engagement shaft portion 16 is disposed on the upper end side of the guide groove 15 (a state where the upper and lower sides of FIG. 8A are reversed), the bottom plate 5 is centered on the pivot shaft portion 17 After being in a state of being opened vertically to the side plate 2 (a state in which the upper and lower sides in FIG. 8B are reversed), the engagement shaft portion 16 is moved to the lower end side of the guide groove 15 and the end face of the bottom plate 5 is The lower end portion of the inner surface of the side plate 2 is abutted, and the side plate 2 and the bottom plate 5 are fixed by fixing means (the state in which the upper and lower sides in FIG. 8C are reversed). Next, the top 4 is fixed to the side plate 2. As the procedure, in a state where the engagement shaft portion 16 is disposed on the lower end side of the guide groove 15 (FIG. 8A), the top plate 4 is perpendicular to the side plate 2 centering on the rotation shaft portion 17 (Fig. 8 (B)), the engaging shaft 16 is moved to the upper end side of the guide groove 15 so that the end face of the top plate 4 abuts against the upper end portion of the inner surface of the side plate 2, The top plate 4 is fixed by the fixing means (FIG. 8 (C)).

  Then, the upper and lower end portions of the inner surface of the other side plate 3 are disposed in contact with the end faces of the top plate 4 and the bottom plate 5 respectively, and the side plate 3 is fixed to the top plate 4 and the bottom plate 5 by fixing means. . As a result, a frame body including the pair of side plates 2 and 3 and the top plate 4 and the bottom plate 5 is assembled.

  Thereafter, the back plate 6 is installed on the back side of the frame, and the back plate 6 and the frame are fixed by the fixing means, whereby the assembly of the collapsible storage box 1 is completed.

  As the fixing means, it is possible to widely use known fixing means such as screws, dowels, L-shaped brackets, etc. However, from the viewpoint of shortening the working time and reducing the number of personnel required for the work, etc. It is desirable to use a fastening means 20 which

  The fixing means 20 suitable for the present assembling type storage box 1 will be described in detail. In the assembled storage box 1, as shown in FIG. 3, the two plate members joined by the fixing means 20 are configured by a combination in which one side is a flat surface and the other side is an end surface. The fixing means 20 has a structure suitable for coupling the flat surface and the end surface of the plate members to be connected. The structure of the fixing means 20 will be described in detail below, taking the fixing means 20 provided at the contact portion between the side plate 3 and the top plate 4 as an example, as shown in FIG.

  The fixing means 20 is fixed to the side plate 3 (the contact portion is a plate member on the flat surface) and is directed to the top plate 4 (the contact portion is a plate member on the end surface), as shown in FIGS. It comprises a headed shaft 21 which protrudes, and a fixing tool 22 fixed to the top plate 4 (a contact portion is a plate on the end face side) and engaged with the headed shaft 21 to fix the plates together. ing.

  The headed shaft 21 is made of metal or resin, and is provided at a shaft portion 23 disposed in a protruding state from the side plate 3 and at a protruding side end portion of the shaft portion 23 and formed larger in diameter than the shaft portion 23 And the screw portion 25 provided on the fixed side end of the shaft 23 and screwed into the recess 3 b formed in the side plate 3 to fix the headed shaft 21 to the side plate 3. It is configured. Further, a flange portion 26 having a diameter larger than the open hole diameter of the recess 3 b provided in the side plate 3 is formed at the boundary between the screw 25 and the shaft 23, and the screw 25 is screwed into the recess 3 b When the headed shaft 21 is fixed to the side plate 3, the protruding lengths of the shaft portion 23 and the head 24 from the side plate 3 are substantially constant. Furthermore, at the end face of the head portion 24, a tool hole (not shown) when screwing the screw portion 25 into the recess 3b of the side plate 3 is formed.

  The fixing device 22 includes a case 27 having a hollow portion 30, a pull-in fixing member 28 provided in the hollow portion 30 of the case 27, and a fastener 29 for holding the pull-in fixing member 28 in the case 27. It consists of

  The case 27 is a substantially cylindrical member made of metal or resin as shown in detail in FIGS. 12 to 15, and has a hollow portion 30 and an opening portion into which the headed shaft 21 can be inserted. An L-shape is continuously formed from the upper surface to the circumferential surface so that the hollow portion 31 communicates with the hollow portion 30. By forming the opening 31 in an L-shape, the headed shaft 21 can be inserted into the hollow portion 30 from a wide angle from the upper surface side to the peripheral surface side of the case 27.

  As shown in FIG. 9, the top plate 4 has a recess 4 b on the outer surface side of the top plate 4 at the contact side end with the side plate 3, the upper surface of which is open for inserting the case 27. While being formed, a slit 4 c communicating with the recess 4 b is formed on the end surface of the top plate 4 in contact with the side plate 3. Further, an opening 4d for inserting a tool, which is opened to the inner surface side of the top plate 4, is provided on the bottom surface of the recess 4b. The fixing device 22 causes the opening 31 formed on the circumferential surface of the case 27 to face the slit 4c, and causes the opening 31 formed on the upper surface of the case 27 to face the open upper surface of the recess 4b. Thus, it is disposed in the recess 4b.

  The hollow portion 30 is a substantially cylindrical space having an axial direction in a direction parallel to the axial direction of the case 27, and the lower end is open. The hollow portion 30 is, as shown in FIGS. 13D and 14, in the direction opposite to the opening 31 formed in the circumferential surface of the case 27 with respect to the axial center of the substantially cylindrical case 27. It is provided at an eccentric position. Thus, the thickness of the case 27 on the side where the opening 31 of the circumferential surface is formed is increased, and the strength of the case 27 when the headed shaft 21 is pulled in and fixed can be secured.

  On the outer peripheral surface of the case 27, fixing step portions 32, 32 having a wedge-shaped cross section protruding outward toward the upper surface side are circumferentially provided and spaced in the axial direction with a plurality of steps. It is provided throughout. As a result, when the fixing tool 22 is driven into the recess 4 b of the top plate 4, the fixing step 32 is embedded in the wood of the inner surface of the recess 4 b so that the case 27 can be firmly fixed to the top plate 4. become.

  Further, as shown in FIG. 10 (B), a U-shaped lock capable of locking the flange portion 26 of the headed shaft 21 to the peripheral edge of the opening 31 formed on the peripheral surface of the case 27 A stepped portion 33 is formed. The locking step portion 33 is a portion to which the collar portion 26 of the headed shaft 21 locks when the fixing tool 22 engages with the headed shaft 21, and the headed shaft 21 is pulled in and fixed. Since the pulling force at that time does not act on the screw portion 25 of the headed shaft 21, it is possible to prevent the headed shaft 21 from falling off the side plate 3.

  The pull-in fixing member 28 is a member formed in a substantially cylindrical shape made of metal or resin as shown in detail in FIGS. 16 to 19, and has a hollow portion 34 and a hollow portion of the case 27. A notch 35 is provided in the inside of the head 30 so as to be rotationally operable about an axis orthogonal to the axial direction of the headed shaft 21 and in which the head portion 24 of the headed shaft 21 can be inserted. As it does, it is formed in a continuous L-shape from the upper surface to the circumferential surface. Further, a tool hole 37 for inserting a tool T for rotating the pull-in fixing member 28 is provided on the lower surface of the pull-in fixing member 28. As shown in FIG. 9 and FIG. 10A, the notch 35 is formed in the opening 31 of the case 27 in the hollow portion 30 of the case 27 when the pulling fixation is released, as shown in FIGS. The tool hole 37 is provided so as to face from the lower end side opening of the hollow portion 30 provided in the case 27 as shown in FIG.

  The pull-in fixing member 28 is continuous with the notch 35 formed in the circumferential surface of the pull-in fixing member 28, and the engaging groove 36 into which the shaft portion 23 of the headed shaft 21 can be inserted is along the rotational direction. It is formed. Further, the thickness of the circumferential surface along the engagement groove 36 is formed to be gradually thicker from the notch 35 in the circumferential direction. That is, as shown in FIG. 18, the thickness t2 of the circumferential surface separated in the rotational direction from the notch 35 is greater than the thickness t1 of the circumferential surface near the notch 35 (the thickness in the radial direction of the circumferential surface). It is formed to be large. Therefore, by engaging the headed shaft 21 with the engaging groove 36 and rotating the pull-in fixing member 28, the inner surface of the engaging groove 36 engages with the head 24 of the headed shaft 21, gradually Act to pull in the department. For this reason, the fixing tool 22 and the headed shaft 21 can be firmly fixed.

  The groove width of the engagement groove 36 is formed to be slightly larger than the shaft portion 23 of the headed shaft 21 and smaller than the diameter of the head portion 24 of the headed shaft 21. Thereby, when the shaft portion 23 of the headed shaft 21 is engaged with the engagement groove 36 and the pull-in fixing member 28 is rotated, the head 24 of the headed shaft 21 is locked inside the engagement groove 36 become. Further, the engagement groove 36 can rotate the pull-in fixing member 28 approximately 180 ° from the state where the shaft portion 23 of the headed shaft 21 is disposed at the center of the notch 35 in the circumferential direction of the pull-in fixing member 28 It is formed in the range.

  The fastener 29 supports the pull-in fixing member 28 from the opening on the lower end side of the hollow portion 30 in a state where the pull-in fixing member 28 is installed in the hollow portion 30 of the case 27, as shown in FIG. A ring-shaped support portion 29a is provided, and a locking portion 29b is formed on the inner side of the tip so as to be hooked on both sides of the case 27 while standing up from both sides of the support portion 29a. .

  The fixing device 22 is assembled by inserting the pull-in fixing member 28 into the hollow portion 30 from the opening at the lower end of the case 27 and attaching the fastener 29 from the outside thereof. In order to fix the fixing tool 22 on the top plate 4, the fixing tool 22 is inserted into the recess 4b by driving it with a hammer or the like. Further, as shown in FIG. 11, after the assembly of the assemblable storage box 1, the cap 38 for concealing the holes is attached to the opening 4 d for inserting the tool T provided on the inner surface side of the top plate 4. preferable.

  In order to fix the top plate 4 and the side plate 3 by the fixing means 20, as shown in FIG. 11, under the condition that the notch 35 of the pull-in fixing member 28 faces the opening 31 of the case 27 After the headed shaft 21 is inserted into the inside of the fixing tool 22 by bringing the end face of the top plate 4 into contact with the upper end portion of the side plate 3, the tool T is inserted through the opening 4d to turn the pull-in fixing member 28 By operating, the shaft portion 23 of the headed shaft 21 is engaged with the engagement groove 36, and the headed shaft 21 is pulled in to fix the plate members.

  As shown in FIGS. 3 and 5, the fixing means 20 has the widths of the side plates 2 and 3, the top plate 4 and the bottom plate 5 so that the pull-in force by the pull-in fixing member 28 is uniformly transmitted in the width direction of the plate. It is preferable to provide in the central portion in the direction, but since the hinge members 10 connecting these plate members are provided at the connection portion between the top plate 4 and the bottom plate 5 and the side plate 2 on one side, It may be provided at a position biased to the side or the back side. Further, in the illustrated example, one fixing means 20 is disposed at each of the connection portions of the side plates 2 and 3, the top plate 4 and the bottom plate 5, but a plurality of the fixing means 20 are spaced apart in the width direction of the plate material. You may do so.

  A recess for inserting the fixing tool 22 on the outer surface side of each plate so that the worker can insert and operate the tool from the inside of the assembled storage box 1 when the pull-in fixing member 28 is rotated. It is preferable to form and insert into the said recessed part from the outer surface side of each board | plate material. As a result, the operation can be further facilitated since only the operation from the inside of the collapsible storage box 1 is required.

[Other embodiment]
(1) In the embodiment described above, the guide groove 15 formed in the fixed side fixing tool 11 has the groove structure including the inclined portion 15a, the vertical portion 15b, and the lead-in margin 15c. As shown in FIG. 21, the guide groove 15 may have a groove structure including only the inclined portion 15a over the entire length. In this case, the engaging shaft portion 16 of the connecting piece 13 may be an engaging shaft portion having a circular cross section as shown in FIG. 7 or a cross section parallel to the groove shape as shown in FIG. It may be a quadrilateral engaging shaft portion 16.

(2) In the embodiment described above, the headed shaft 21 is fixed on the flat surface side and the fixing tool 22 is fixed on the end surface side, as the fixing means 20, of the two plate members in contact with the flat surface and the end surface. However, conversely to this, the headed shaft 21 may be fixed on the end surface side, and the fixing tool 22 may be fixed on the flat surface side.

(3) In the example shown in FIG. 3, the fixing means 20 for fixing the back plate 6 is provided only on the side plates 2 and 3, but may be provided only on the top plate 4 and the bottom plate 5. It may be provided on the top plate 4 and the bottom plate 5.

  DESCRIPTION OF SYMBOLS 1 ... Assembly type storage box, 2 ... 3 side plate, 4 ... top plate, 5 ... bottom plate, 6 ... back plate, 10 ... hinge member, 11 ... fixed side fixing tool, 12 ... movable side fixing tool, 13 ... connection piece 14 hollow portion 15 guide groove 16 engagement shaft portion 17 rotation shaft portion 20 fixing means 21 headed shaft 22 fixing tool 23 shaft portion 24 head , 27: Case, 28: pull-in fixing member, 29: fastener, 30: space portion, 31: opening portion, 34: hollow portion, 35: notch portion, 36: engagement groove

Claims (3)

In an assembled storage box formed by assembling at least one set of side plates, a top plate, and a bottom plate,
The top plate and the bottom plate are rotatably connected to upper and lower ends of one side plate by hinge members,
The hinge member is fixed to the inner surface side of the one side plate and has a hollow portion opening toward the inner surface side, and along both sides of the hollow portion substantially along the vertical direction of the side plate A fixed-side fixing device in which a guide groove having a sloped portion toward the outer surface side toward the end in the vertical direction is formed, a movable-side fixing device fixed to the inner surface of the top plate and the bottom plate, and the fixing It is a small piece member which connects the side fixing tool and the movable side fixing tool, and it engages with the guide groove of the fixed side fixing tool at one end side, and the movable side fixing tool can be moved along the guide groove And a connecting piece provided on the other end side with a rotating shaft that engages with the movable fixing device and rotatably connects the movable fixing device.
When fixing the top plate to the side plate from the folded state to the one side plate side, the top plate centering on the pivot shaft portion in a state where the engagement shaft portion is disposed on the lower end side of the guide groove Is opened perpendicularly to the side plate, and then the engagement shaft portion is moved to the upper end side of the guide groove to bring the end face of the top plate into contact with the upper end portion of the side plate. Fix the plate by the fixing means,
When the bottom plate is fixed to the side plate from the state of being folded to the one side plate side, the bottom plate is centered on the pivot shaft portion while the engagement shaft portion is disposed on the upper end side of the guide groove. After being opened perpendicularly to the side plate, the engagement shaft portion is moved to the lower end side of the guide groove, and the end face of the bottom plate is brought into contact with the lower end portion of the side plate to fix the side plate and the bottom plate An assembly type storage box characterized by being fixed by means. The fixing means is fixed to the plate material on one side at a portion where the side plate and the top plate or the bottom plate abut, protrudes toward the plate material on the other side, and has a head larger in diameter than the shaft at the tip. The headed shaft provided and a fixing tool fixed to the plate on the other side and engaged with the headed shaft to fix the plates to each other,
The fixing device has a hollow portion inside, and a case formed so that an opening portion into which the headed shaft can be inserted is communicated with the hollow portion, and an axis of the headed shaft in the hollow portion of the case A notch is formed so as to be rotationally operable with an axis orthogonal to the direction as a rotation center, and a head portion of the headed shaft can be inserted therein, and a shaft of the headed shaft is formed continuously with the notch. An engaging groove in which a portion can be inserted is formed along the rotational direction, and a retractable fixing member formed so that the thickness of the circumferential surface along the engaging groove is gradually increased from the notch along the circumferential direction The collapsible storage box according to claim 1, which is composed of:   The assembling type storage box according to any one of claims 1 and 2, wherein a back plate is installed on the back side, and the back plate and all or part of the side plate, the top plate, and the bottom plate are fixed by the fixing means.

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