JP6463253B2 - Cabinet and manufacturing method thereof - Google Patents

Description

  The present invention relates to a metal or wooden cabinet including a bottom plate, a rear plate, a pair of left and right side plates, and a top plate, and in particular, a knock-down type that can be easily assembled and disassembled by a general user alone. The present invention relates to a cabinet and a manufacturing method thereof.

  Conventionally, a knock-down cabinet that can be assembled and disassembled is known. Examples of conventional knock-down cabinets include those described in Patent Documents 1 to 3.

  Patent Document 1 discloses a knock-down cabinet that assembles constituent members by using a frame portion and a connecting holder together. The cabinet of Patent Document 1 includes a bottom plate, a rear plate, a pair of left and right side plates, and a top plate. Frame portions that are fitted to each other are formed at joint ends of these constituent members. Each frame portion is provided with a synthetic resin coupling holder. Each component member is fitted by a connection holder in addition to the fitting of the frame portion.

  The cited document 2 discloses a knock-down cabinet that assembles the constituent members by fitting the insertion piece and the engagement groove. The cabinet of Patent Document 2 includes a bottom plate made of a metal plate, a rear plate, a pair of left and right side plates, and a top plate. An insertion piece is provided on one of the facing portions of these constituent members, and an engagement groove is provided on the other. The insertion piece and the engagement groove are formed by bending a metal plate of each constituent member.

  Citation 3 discloses a knock-down cabinet in which hooks are provided on each of the left and right sides of the rear plate, and an engagement hole is provided on the rear side of each of the left and right side plates. The cabinet of the cited document 3 is assembled in a state in which the rear plate and the left and right side plates can be self-supporting by coupling the hook and the engagement hole. Then, a top plate is assembled | attached to the upper end part of the self-solid which consists of a back board and a left-right side board, and a bottom plate is assembled | attached to a lower end part.

Special Table 2000-511098 JP-A-2005-46221 JP 2012-231841 A

  However, the cabinet of Patent Document 1 described above must be assembled with the rear plate placed on the floor surface. That is, the cabinet of Patent Document 1 is assembled in a state where it is brought down on the floor surface. In a general cabinet, the rear plate has a larger area than the bottom plate. For this reason, the cabinet of patent document 1 has the problem that a large space is required for assembly work. Further, when the rear plate is placed on the floor surface, there is a problem that the painted surface of the rear plate is damaged or the rear plate having a large area is deformed. Furthermore, the worker has to assemble the cabinet with the waist bent, and there is a problem that a burden is placed on the waist of the worker. Then, the worker must raise the assembled cabinet on the floor while placing a burden on the waist.

  In addition to these, the cabinet of Patent Document 1 uses a coupling holder made of synthetic resin. Synthetic resin coupling holders are prone to breakage due to aging or when the cabinet is assembled or disassembled. For this reason, manufacturers have to stock synthetic resin connection holders for a long period of time in preparation for after-sales service to users. Including the maintenance of the mold for forming the coupling holder, the burden on the manufacturer is large. Furthermore, when the cabinet is made of metal, it takes time and effort to separate the connection holders at the time of disposal.

  The above-described cabinet of Patent Document 2 requires a skill for assembling the left and right side plates, and there is a problem that a general user cannot easily assemble. That is, when assembling the cabinet of Patent Document 2, first, the rear plate is coupled to the base so that the rear plate is made self-supporting. Next, after fitting the first insertion piece of the base into the first engagement groove of the left and right side plates, the left and right side plates are slid rearward along the first insertion piece. Thereby, the 2nd engagement groove of a right-and-left side board is made to fit in the 2nd insertion piece of a back board. However, when the operator slides the left and right side plates backward, the operator must hold the base so that the left and right side plates and the rear plate do not move backward while maintaining the perpendicularity of the left and right side plates and the rear plate. That is, the operator must simultaneously slide the left and right side plates, maintain the left and right side plates and the rear plate vertically, and hold the base. For this reason, it is difficult for a general user to assemble the cabinet of Patent Document 2 alone.

  In the cabinet of Patent Document 2, it is necessary to fix the bottom plate with a plurality of screws after the rear plate and the left and right side plates are assembled to the base. The work of screwing the bottom plate not only takes time and effort, but also requires bending the waist, which places a burden on the operator's waist.

  The cabinet of Patent Document 3 described above has a problem that it takes time to assemble the self-solid body composed of the rear plate and the left and right side plates. First, the operator must assemble while holding one of the left and right side plates that are not self-supporting and the rear plate vertically. Thereafter, the assembly of one of the left and right side plates and the rear plate is instable but unstable, and the other of the left and right side plates that do not stand alone must be assembled while holding the assembly so as not to fall down. In particular, the hook and the engagement hole of Patent Document 3 have to lift and combine the rear plate, and it is extremely difficult to hold the rear plate and the left and right side plates vertically when assembling the self-solid. For this reason, it is difficult for a general user to assemble the cabinet of Patent Document 3 alone.

  The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a cabinet and a method for manufacturing the same that can be easily assembled and disassembled by a general user alone.

(1) In order to achieve the above object, the cabinet of the present invention is a cabinet including a bottom plate, a rear plate, a pair of left and right side plates, and a top plate, and the rear side of the bottom plate is connected to the rear plate. A coupling means is provided, and a first hook that is a coupling means with the left and right side plates is provided on each of the left and right sides of the bottom plate, and the first hook extends from the bottom to the top in the direction of the outside of the bottom plate. A sloping portion that is slanted, and a claw portion that is continuously provided above the sloping portion, and a coupling means with the bottom plate is provided below the back plate, and a left side of the back plate and Each of the right side is provided with a first fitting portion that is a coupling means with the left and right side plates, and each first fitting portion extends along the left side or the right side of the rear plate, On the lower side, a first engagement hole as a coupling means with the bottom plate is provided, and the first engagement hole is provided. The hole has a first hole into which the first hook is inserted, and an inclined surface that is in contact with the inclined portion of the first hook and is engaged with the claw portion. The side is provided with a second fitting portion that is a coupling means with the rear plate, and each second fitting portion extends along the rear side of the left and right side plates and corresponds to the first fitting portion. It has a configuration.

(2) Preferably, in the cabinet of (1), the first hook is provided continuously below the inclined portion and has a horizontal portion positioned at the same height as the surface of the bottom plate. Good.

(3) Preferably, in the cabinet according to (1) or (2), the first hook is made of a metal plate different from the bottom plate.

(4) Preferably, in the cabinet according to any one of (1) to (3), the first engagement hole is provided in the inclined surface, and the second hole into which the claw portion of the first hook is inserted. It is good to make it the structure which has.

(5) Preferably, in the cabinet according to any one of (1) to (4), the first engagement hole may be provided on a metal plate different from the left and right side plates.

(6) Preferably, in the cabinet according to any one of (1) to (5), at least two or more first hooks are provided in parallel on each of the left and right sides of the bottom plate, and the left and right side plates are It is preferable that at least two or more first engagement holes be provided in parallel on the lower side of each of the first and second engagement holes.

(7) Preferably, in the cabinet according to any one of (1) to (6), the second fitting portion includes a recess corresponding to an outer shape of the first fitting portion, and the first fitting portion. It is good to have composition which has a guide part guided to the crevice.

(8) Preferably, in the cabinet according to any one of (1) to (7), a second hook serving as a coupling means with the rear plate is provided on the rear side of the bottom plate, and the second hook is A vertical portion facing the rear surface of the bottom plate, and a second engagement hole as a coupling means with the bottom plate is provided on the lower side of the rear plate, and the second engagement hole is The hole may be a hole having a substantially L-shaped cross section into which the second hook is inserted.

(9) Preferably, in the cabinet of (8), at least two or more second hooks are provided in parallel on the rear side of the bottom plate, and at least two or more second hooks are provided on the lower side of the rear plate. The second engagement holes may be arranged in parallel.

(10) Preferably, in the cabinet according to (8) or (9), the second hook is made of a metal plate different from the bottom plate.

(11) Preferably, in the cabinet of (10), the first and second hooks may be made of a common metal plate different from the bottom plate.

(12) Preferably, in the cabinet according to any one of (1) to (11), a third hook serving as a coupling means with the left and right side plates is provided on each of the left and right sides of the top plate, The third hook has a horizontal portion facing the surface on the back side of the top plate, and on each upper side of the left and right side plates, a third engagement hole which is a coupling means with the top plate is provided, The third engagement hole may be configured to be a horizontal hole into which the third hook is inserted.

(13) Preferably, in the cabinet of (12), at least two or more third hooks are provided in parallel on each of the left and right sides of the top plate, and on each upper side of the left and right side plates. It is preferable that at least two or more third engagement holes are provided in parallel.

(14) Preferably, in the cabinet according to (12) or (13), the third hook is made of a metal plate different from the top plate.

(15) In order to achieve the above object, a cabinet manufacturing method of the present invention is the cabinet manufacturing method according to any one of (1) to (14) above, wherein the bottom plate is placed on a floor surface. A first step, a second step of coupling the rear plate to the bottom plate, a third step of coupling the left and right side plates to the bottom plate and the rear plate, and the top plate to each of the left and right side plates. And a fourth step of coupling, wherein the third step inclines the side plate so as to incline from top to bottom in the direction from the inside to the outside of the bottom plate, and in the state in which the side plate is inclined, the first step By inserting the first hook into the first hole of the engagement hole, and rotating the side plate from the inside to the outside of the bottom plate with the first hook as a fulcrum, the claw portion of the first hook Is engaged with the inclined portion of the first engagement hole, and Thereby fitting the serial first fitting portion to the second fitting portion comprises, has a step.

  According to the cabinet and the manufacturing method thereof of the present invention, a general user can easily assemble and disassemble the cabinet by one person. Further, by performing the reverse procedure of the cabinet manufacturing method of the present invention, a general user can easily disassemble the cabinet alone.

It is the disassembled perspective view which looked at the cabinet which concerns on 1st Embodiment from the front side upper direction. It is the disassembled perspective view seen from the back side lower side which shows the cabinet of FIG. The same figure (a), (b) is a perspective view which shows the coupling | bonding means of a baseplate and a backplate. It is a perspective view which shows an example of the structure of the coupling means of FIG. The same figure (a), (b) is a perspective view which shows the coupling | bonding means of a baseplate and a right-and-left side board. FIGS. 5A to 5C are schematic diagrams for explaining the coupling means of FIG. The same figure (a), (b) is a perspective view which shows the coupling | bonding means of a top plate and a right-and-left side board. It is a perspective view which shows the 1st and 2nd process of the manufacturing method of this cabinet. FIGS. 7A and 7B are cross-sectional views showing coupling means in the second step. It is a perspective view which shows the 3rd process of the manufacturing method of this cabinet. It is a perspective view which similarly shows the 3rd process of the manufacturing method of this cabinet. It is a perspective view which similarly shows the 3rd process of the manufacturing method of this cabinet. FIGS. 9A to 9C are cross-sectional views showing coupling means in the third step. FIGS. 7A and 7B are cross-sectional views showing coupling means in the third step. It is a perspective view which shows the 4th process of the manufacturing method of this cabinet. FIGS. 9A to 9C are cross-sectional views showing coupling means in the fourth step. It is a perspective view which shows the assembled cabinet main body. The same figure (a), (b) is a perspective view which shows the coupling means which concerns on 2nd Embodiment. FIGS. 9A to 9C are cross-sectional views showing the coupling operation of the coupling means of FIG. The same figure (a), (b) is a perspective view which shows the coupling means based on 3rd Embodiment. (A), (b) is sectional drawing which shows the coupling | bonding operation | movement of the coupling | bonding means of FIG.

<First Embodiment>
Hereinafter, a cabinet and a manufacturing method thereof according to a first embodiment of the present invention will be described with reference to the drawings.

<Overall configuration>
1 and 2 show a bottom plate 10, a rear plate 20, a pair of left and right side plates 30A, 30B, and a top plate 40. FIG. These constituent members constitute the main body of the metal cabinet 1 according to the present embodiment. The bottom plate 10, the rear plate 20, the left and right side plates 30A and 30B, and the top plate 40 are all configured by bending a metal plate. The bottom plate 10 is coupled to each of the rear plate 20 and the left and right side plates 30A and 30B. The top plate 40 is coupled to each of the left and right side plates 30A and 30B. Each component can be coupled without using any tools. Moreover, in order to hold | maintain the coupling | bonding of each structural member, a screw and a synthetic resin fastener are unnecessary at all. The cabinet 1 of this embodiment is characterized by the coupling means provided in each constituent member. Hereinafter, the coupling means provided on each of the bottom plate 10, the rear plate 20, the left and right side plates 30A and 30B, and the top plate 40 will be described in detail.

<Bottom plate>
As shown in FIG.1 and FIG.2, the baseplate 10 becomes a rectangular shape long in the horizontal direction in a figure. As shown in FIG. 1, two first hooks 11 are provided in parallel on the left end surface and the right end surface of the bottom plate 10. These first hooks 11 are coupling means with the left and right side plates 30A, 30B. On the other hand, as shown in FIG. 2, two second hooks 12 are provided in parallel on the rear end face of the bottom plate 10. These second hooks 12 are coupling means with the rear plate 20. The first and second hooks 11 and 12 are both provided in the vicinity of the corner portion of the bottom plate 10.

  As will be described later, in the cabinet 1 of the present embodiment, after the rear plate 20 is coupled to the bottom plate 10, the left and right side plates 30A and 30B are coupled to the bottom plate 10 and the rear plate 20, respectively. In the following, the configuration of the second hook 12 and the first hook 11 will be described in accordance with this coupling order.

  As shown in FIGS. 3A and 3B, the second hook 12 is made of a metal plate different from the bottom plate 10 and is welded, for example, behind the rear end face of the bottom plate 10. A portion of the second hook 12 that protrudes from the rear end surface of the bottom plate 10 is substantially L-shaped, and has a vertical portion 12 a that faces the rear end surface of the bottom plate 10. The second hook 12 sandwiches a metal plate constituting the rear plate 20 between the rear end face of the bottom plate 10 and the vertical portion 12a. The two second hooks 12 hold two places near the lower corner portion of the rear plate 20 and connect the rear plate 20 to the rear end surface of the bottom plate 10.

  Here, as shown in FIG. 4, the second hook 12 may be configured by a metal plate common to the first hook 11 disposed at the corner portion on the rear side of the bottom plate 10. When the first and second hooks 11 and 12 are made of a common metal plate, the manufacturing cost of the two hooks 11 and 12 is reduced, and the number of parts to be welded and the number of welding points are reduced. It becomes possible. As a result, the manufacturing cost of the cabinet 1 becomes low.

  Next, the first hook 11 will be described. As shown in FIGS. 5A and 5B, the first hook 11 is made of a metal plate different from the bottom plate 10 and is welded, for example, behind the left end surface and the right end surface of the bottom plate 10. . The first hook 11 protrudes in the horizontal direction from the left end surface and the right end surface of the bottom plate 10, and protrudes in the vertical direction above the surface of the bottom plate 10.

  As shown in FIG. 6A, a horizontal portion 11 a located at the same height as the surface of the bottom plate 10 is provided at a portion of the first hook 11 protruding in the horizontal direction. A portion of the first hook 11 protruding in the vertical direction is provided with an inclined portion 11b that is continuous with the horizontal portion 11a. The inclined portion 11 b is inclined from the bottom to the top in the direction of the outside of the bottom plate 10. A claw portion 11c protruding toward the bottom plate 10 is continuously provided above the inclined portion 11b.

  The width L of the horizontal portion 11a of the first hook 11 shown in FIG. 6A is the thickness of the metal plate constituting the inner surfaces of the left and right side plates 30A and 30B shown in FIGS. The length is substantially the same as the total thickness of the metal plates provided with the engagement holes 31. 5A and 5B, illustration of the metal plates (see FIGS. 1 and 2) that constitute the inner surfaces of the left and right side plates 30A and 30B is omitted.

  Here, as shown in FIGS. 6B and 6C, when assembling or disassembling the left and right side plates 30A and 30B and the bottom plate 20, the vicinity of the horizontal portion 11a of the first hook 11 is used as a fulcrum. By rotating or reversely rotating the side plates 30A and 30B, the first hook 11 and the first engagement hole 31 are engaged or disengaged (assembly and disassembly procedures will be described later).

  The horizontal portion 11a of the first hook 11 has an effect of smoothly rotating the left and right side plates 30A and 30B during assembly or disassembly. First, since the horizontal portion 11 a is positioned at the same height as the surface of the bottom plate 10, the position of the fulcrum when rotating the left and right side plates 30 </ b> A and 30 </ b> B is also the same height as the surface of the bottom plate 10. With this configuration, when the left and right side plates 30A and 30B are rotated, the vicinity of the first engagement holes 31 of the left and right side plates 30A and 30B does not interfere with the bottom plate 10. Second, the width L of the horizontal portion 11a is substantially the same as the total thickness of the metal plates constituting the inner surfaces of the left and right side plates 30A and 30B and the thickness of the metal plate provided with the first engagement holes 31. Therefore, the fulcrum of rotation is determined without the positions of the left and right side plates 30A and 30B being displaced in the horizontal direction. With such a configuration of the horizontal portion 11a, the left and right side plates 30A and 30B can be smoothly rotated.

  Further, the inclined portion 11b of the first hook 11 has an effect of smoothly engaging or disengaging the first hook 11 and the first engagement hole 31 during assembly or disassembly. That is, as shown in FIG. 5B, the engagement between the first hook 11 and the first engagement hole 31 is such that the claw portion 11 c of the first hook 11 is brought into contact with the second hole 31 c of the first engagement hole 31. The insertion is completed when the inclined portion 11 b of the first hook 11 abuts on the inclined surface 31 b of the first engagement hole 31. By inclining the inclined portion 11b of the first hook 11 from the bottom to the top in the direction of the outside of the bottom plate 10, the claw portion 11c is completely inserted into the second hole 31c as shown in FIG. 6B. In the meantime, the inclined portion 11b does not interfere with the inclined surface 31b. Then, coupled with the effect of the horizontal portion 11a described above, the claw portion 11c is inserted straight into the second hole 31c by the rotation of the left and right side plates 30A, 30B. On the other hand, as shown in FIG. 6C, the inclined portion 11b is separated from the inclined surface 31b at the moment when the claw portion 11c is removed from the second hole 31c by the reverse rotation of the left and right side plates 30A and 30B. With such a configuration of the inclined portion 11b, the first hook 11 and the first engagement hole 31 can be smoothly engaged or disengaged without causing unnecessary frictional resistance.

<Rear plate>
As shown in FIGS. 1 and 2, the rear plate 20 has a rectangular shape that is long in the vertical direction in the drawings. As shown in FIG. 1, two second engagement holes 22 are provided in parallel on the lower side of the rear plate 20. These second engagement holes 22 are coupling means with the bottom plate 10 and are engaged with the two second hooks 12 described above. The two second engagement holes 22 are both provided in the vicinity of the corner portion on the lower side of the rear plate 20. As shown in FIGS. 9A and 9B, the second engagement hole 22 is a hole having a substantially L-shaped cross section formed from the horizontal lower end surface of the rear plate 20 to the vertical inner surface. As shown in FIG. 3B and FIG. 4, the entrance side of the second engagement hole 22 is a guide portion that is wide and has an inclined contour that is symmetrical to the left and right. The second hook 12 of the bottom plate 10 is introduced from the guide portion into the second engagement hole 22 and is engaged with the narrow upper end portion of the second engagement hole 22.

On the other hand, as shown in FIG. 1, on the left and right sides of the rear plate 20, first fitting portions 21A and 21B, which are coupling means with the left and right side plates 30A and 30B, are provided. Each first fitting portion 21 </ b> A, 21 </ b> B extends from the upper end to the lower end along the left or right side of the rear plate 20. 14A and 14B show the cross-sectional shapes of the first fitting portions 21A and 21B. The first fitting portions 21A and 21B of the present embodiment have convex portions 21a having a substantially square cross section. The convex portion 21 a is continuous from the upper end to the lower end of the rear plate 20.

<Left and right side plate>
As shown in FIGS. 1 and 2, the left and right side plates 30 </ b> A and 30 </ b> B have a rectangular shape that is long in the vertical direction in the drawings. The left side plate 30A and the right side plate 30B have a symmetric configuration and have the same coupling means. Two first engagement holes 31 are provided in parallel on the lower side of each of the left and right plates 30A and 30B. As already described, these first engagement holes 31 are coupling means with the bottom plate 10 and are engaged with the two first hooks 11. The two first engagement holes 31 are provided in the vicinity of the lower corners of the left and right side plates 30A and 30B.

  As shown in FIGS. 5A and 5B, the first engagement hole 31 is provided on a metal plate different from the left and right side plates 30A and 30B. In the present embodiment, since the left and right side plates 30A and 30B are made of thin metal plates, the first engagement holes 31 are provided in another metal plate thicker than the left and right side plates 30A and 30B. Prevents deformation. As a result, a strength sufficient to withstand repeated engagement and disengagement can be obtained. The metal plate provided with the first engagement holes 31 is welded to the lower side of the left and right side plates 30A and 30B, and constitutes the inner surface of the left and right side plates 30A and 30B (not shown) (see FIGS. 1 and 2). ) Covered. Slit holes corresponding to the first engagement holes 31 are provided in the metal plates constituting the inner surfaces of the left and right plates 30A and 30B.

  The first engagement hole 31 of the present embodiment includes a first hole 31a, an inclined surface 31b, and a second hole 31c in order from the lower side. The first hole 31a is an inlet into which the first hook 11 is inserted. As shown in FIG. 5 (a), the first hole 31a is constituted by a guide portion having a wide and symmetrical left and right inclined contour and a narrow upper end portion continuous above the guide portion. Is done. The guide part of the 1st hole 31a guides the 1st hook 11 to the back side of the metal plate in which the 1st engagement hole 31 was provided. Since the width of the guide portion is wide, the two first hooks 11 can be easily inserted into the two first holes 31a. On the other hand, the narrow upper end portion of the first hole 31 a corresponds to the plate thickness of the first hook 11. And the upper end of the 1st hole 31a contact | abuts on the horizontal part 11a of the 1st hook 11, and becomes a fulcrum when rotating left-right side board 30A, 30B. Next, the inclined surface 31 b of the first hole 31 a has the same vertical width and inclination angle as the inclined portion 11 b of the first hook 11. A quadrangular second hole 31c is provided at the upper end of the inclined surface 31b. The claw portion 11c of the first hook 11 is inserted into the second hole 31c. As already described, when the claw portion 11c of the first hook 11 is inserted into the second hole 31c, the inclined surface 31b comes into contact with the inclined portion 11b of the first hook 11. Thereby, the engagement between the first hook 11 and the first engagement hole 31 is completed. When the engagement between the first hook 11 and the first engagement hole 31 is completed, the left and right side plates 30 </ b> A and 30 </ b> B are in a vertical state with respect to the bottom plate 10.

  On the other hand, as shown in FIG.1 and FIG.2, the 2nd fitting part 32 which is a connection means with the rear plate 20 is provided in the rear side of each of the left and right side plates 30A and 30B. Each second fitting portion 32 extends along the rear side of the left and right side plates 30A, 30B. Each second fitting portion 32 has a shape corresponding to the first fitting portions 21 </ b> A and 21 </ b> B of the rear plate 20. Here, the first fitting portions 21A and 21B have a length that reaches the lower end from the upper end of the rear plate 20, but the second fitting portion 32 extends downward from the upper ends of the left and right side plates 30A and 30B beyond the center. The length does not reach the lower end. By shortening the length of the second fitting portion 32, the fitting or releasing of the fitting with the first fitting portions 21A and 21B accompanying the rotation or reverse rotation of the left and right side plates 30A and 30B becomes smooth.

  The cross-sectional shape of the 2nd fitting part 32 is shown to Fig.14 (a), (b). The 2nd fitting part 32 of this embodiment has the crevice 32a and guide part 32b. These concave portions 32a and guide portions 32b are configured by bending metal plates constituting the left and right side plates 30A and 30B. The concave portion 32a and the guide portion 32b are continuous with a length that does not reach the lower end from the upper end of the left and right side plates 30A, 30B. The inner shape of the concave portion 32a has a substantially square cross-sectional shape corresponding to the outer shape of the convex portion 21a of the first fitting portions 21A and 21B. The guide portion 32b has an inclined shape that continues to the recess 32a. The guide portion 32b guides the convex portion 21a into the concave portion 32b and fits the convex portion 21a and the concave portion 32b.

  Furthermore, as shown in FIG. 1, two third engagement holes 33 are provided in parallel on the upper sides of the left and right side plates 30A and 30B. These third engagement holes 33 are coupling means with the top plate 40 described below, and are engaged with the two third hooks 41 of the top plate 40.

  As shown in FIGS. 7B and 16A to 16C, the third engagement hole 33 is provided on a metal plate different from the left and right side plates 30A and 30B. As described above, in the present embodiment, since the left and right side plates 30A and 30B are made of thin metal plates, the third engagement hole 33 is provided in another metal plate thicker than the left and right side plates 30A and 30B. The deformation of the three engagement holes 33 is prevented. As a result, a strength sufficient to withstand repeated engagement and disengagement can be obtained. The metal plate provided with the third engagement hole 33 is welded to the upper back surfaces of the left and right side plates 30A and 30B. A rectangular plate surrounding the third engagement hole 33 is provided in the metal plate that forms the upper side of the left and right plates 30A and 30B.

  As shown in FIG. 7 (b), the third engagement hole 33 of the present embodiment includes a wide insertion portion 33a, a guide portion 33b having an inclined profile symmetrical to the left and right, and the guide portion 33b. It is comprised with the continuous narrow engagement part 33c. The insertion portion 33a is an entrance into which the third hook 41 of the top plate 40 is inserted, and guides the third hook 41 to the back side of the metal plate provided with the third engagement hole 33. Since the width of the insertion portion 33 a is wide, the two third hooks 41 can be easily inserted into the two third engagement holes 33. The guide part 33b guides the third hook 41 to the engagement part 33c having a narrow width. The width of the engaging portion 33 c corresponds to the plate thickness of the third hook 41.

<Top plate>
As shown in FIG.1 and FIG.2, the top plate 40 becomes a rectangular shape long in the horizontal direction in a figure. On the left and right sides of the top plate 40, two third hooks 41, which are connecting means to the left and right side plates 30A and 30B described above, are provided in parallel. These third hooks 41 are engaged with the third engagement holes 33 of the left and right side plates 30A, 30B.

  As shown in FIG. 7A, the third hook 41 is made of a metal plate different from the top plate 40 and is welded to the back surface of the top plate 40, for example. The third hook 41 is substantially L-shaped and has a vertical portion 41 a that faces the back surface of the top plate 40. As shown in FIG. 16 (c), the third hook 41 is inserted into the third engagement holes 33 of the left and right side plates 30A and 30B, and the vertical portion 41a thereof is a metal plate provided with the third engagement holes 33. Engage with. The engagement between each third hook 41 and each third engagement hole 33 is completed simultaneously by sliding the top plate 40 rearward along the upper end surfaces of the left and right side plates 30A, 30B.

  In addition, since each 3rd hook 41 and each 3rd engagement hole 33 are engaged firmly, the top plate 40 does not separate from the left and right side plates 30A and 30B due to an earthquake or the like. However, in order to reliably prevent unintentional separation of the top plate 40, at least one part of the top plate 40 is fixed to either the left or right side plates 30A, 30B or the rear plate 20 with screws or synthetic resin fasteners. Also good.

<Manufacturing method>
Next, the manufacturing method of the cabinet 1 mentioned above is demonstrated, referring drawings. The bottom plate 10, the rear plate 20, the left and right side plates 30A and 30B, and the top plate 40 shown in FIGS. 1 and 2 are assembled through first to fourth steps described below.

  As shown in FIG. 8, first, as the first step, the bottom plate 10 is placed on the floor surface. Next, as a second step, the rear plate 20 is joined to the bottom plate 10. As shown in FIGS. 9A and 9B, the two second hooks 12 of the bottom plate 20 are introduced into the inlets of the two second engagement holes 22 of the rear plate 20, and the rear plate 20 is pushed down slightly. Let As a result, the second hook 12 and the second engagement hole 22 are engaged, and the rear plate 20 is coupled to the bottom plate 10. At this time, the rear plate 20 may be self-supporting in a state of being inclined rearward.

  Next, as a third step, the left and right side plates 30A and 30B are joined to the bottom plate 10 and the rear plate 20, respectively. Details of the third step are shown in FIGS. The left and right plates 30A and 30B are coupled to the bottom plate 10 and the rear plate 20 one by one in order. In the following description, as an example of the assembly procedure, the left side plate 30A is first connected, and then the right side plate 30B is connected.

  First, as shown in FIG. 10, the left side plate 30 </ b> A is tilted so as to tilt from top to bottom in the direction from the inside to the outside of the bottom plate 10. Next, as shown in FIGS. 11 and 13A, the first hook 11 is inserted into the first hole 31 a of the first engagement hole 31 with the left side plate 30 </ b> A tilted. Thereafter, as shown in FIGS. 11 and 13B, the left side plate 30 </ b> A is rotated from the inner side to the outer side of the bottom plate 10 with the horizontal portion 11 a of the first hook 11 as a fulcrum. By the rotation of the left side plate 30A, the left side plate 30A is simultaneously coupled to both the bottom plate 10 and the rear plate 20.

  That is, as shown in FIGS. 11 and 12, the left side plate 30 </ b> A is rotated until it is in a vertical state with respect to the bottom plate 10. At this time, as shown in FIG. 13C, the claw portion 11c of the first hook 11 is inserted into the second hole 31c of the first engagement hole 31, and the inclined portion 11b of the first hook 11 is the first engagement. It abuts on the inclined surface 31 b of the joint hole 31. Thereby, the engagement between the first hook 11 and the first engagement hole 22 is completed. At the same time, the fitting between the first fitting portion 21A of the rear plate 20 and the second fitting portion 32 of the left side plate 30A is also completed. That is, as shown in FIG. 14A, in the process until the left side plate 30A becomes vertical, the second fitting portion 32 of the left side plate 30A gradually starts from the lower side. It is fitted to the joint portion 21A. Then, as shown in FIG. 14B, when the left side plate 30A is in the vertical state, the fitting over the entire length of the first fitting portion 21A and the second fitting portion 32 is completed. In particular, in this embodiment, the 2nd fitting part 32 has the recessed part 32a and the guide part 32b. The guide portion 32b gradually guides the convex portion 21a of the first fitting portion 21A into the concave portion 32a from the lower side to fit the convex portion 21a and the concave portion 32b. With this configuration, even when the rear plate 20 is self-supporting while being tilted rearward, the left side plate 30A and the rear plate 20 can be easily fitted.

  Thereafter, as shown in FIG. 12, the right side plate 30 </ b> B is simultaneously coupled to both the bottom plate 10 and the rear plate 20 according to the same procedure as the left side plate 30 </ b> A.

  Next, as a fourth step, as shown in FIG. 15, the top plate 40 is coupled to each of the left and right side plates 30A, 30B. First, as shown in FIGS. 16A and 16B, the third hooks 41 of the top plate 40 are inserted into the third engagement holes 33 of the left and right side plates 30A and 30B. Thereafter, when the top plate 40 is slid rearward, as shown in FIG. 16C, the engagement between the third hooks 41 and the third engagement holes 33 is completed at the same time. The cabinet 1 shown in FIG. 17 is completed by the above procedure.

<Effect>
According to the cabinet 1 and the manufacturing method thereof according to the above-described embodiment, a general user can easily assemble the cabinet 1 alone. In particular, by rotating the left and right side plates 30A and 30B, it can be simultaneously coupled to both the bottom plate 10 and the rear plate 20, which contributes to the ease of assembly work by one person. Moreover, the operation | work which couple | bonds each structural member can be performed by an upright attitude | position, and a burden is not applied to an operator's waist | hip | lumbar. Furthermore, it is not necessary to use screws to hold the coupling of the components, and the cabinet 1 can be assembled without tools. And by implementing the reverse procedure of the manufacturing method mentioned above, a general user can easily disassemble the cabinet 1 alone.

  Still further, in the cabinet 1 of the present embodiment, the rear plate 20 and the left and right side plates 30A and 30B are sequentially assembled to the bottom plate 10 placed on the floor surface, so that the rear plate 20 is damaged or deformed. The cabinet 1 can be assembled and disassembled with a small work space.

  In addition, since the cabinet 1 of this embodiment can hold | maintain the coupling | bonding of each structural member, without using the fastener made from a synthetic resin, there is no worry of aged deterioration and damage of a synthetic resin component. In addition, it is not necessary to stock synthetic resin parts or manage inventory in preparation for after-sales service to users. Further, when the cabinet 1 is discarded, there is no need to separate the synthetic resin parts from the metal components.

Second Embodiment
The cabinet of the present invention is not limited to the configuration of the first embodiment described above. For example, the first hook 11 and the first engagement hole 31 for connecting the bottom plate 10 and the left and right side plates 30A and 30B are not limited to the configurations shown in FIGS. For example, it is possible to change to the first hook 51 and the first engagement hole 61 having the configuration shown in FIGS. 18A and 18B and FIGS. 19A to 19C. Hereinafter, the replaceable first hook 51 and the first engagement hole 61 will be described with reference to the drawings.

  As shown in FIGS. 18A and 19A, the first hook 51 is made of a metal plate different from the bottom plate 10 and is welded to the back surface of the bottom plate 10. The first hook 51 is provided with a horizontal portion 51a, an inclined portion 51b, and a claw portion 51c continuously by bending a substantially rectangular metal plate. The horizontal portion 51 a is located at the same height as the surface of the bottom plate 10 and slightly protrudes in the horizontal direction from the left end surface and the right end surface of the bottom plate 10. On the other hand, the inclined portion 51 b and the claw portion 51 c protrude above the surface of the bottom plate 10. The inclined portion 51b is inclined from bottom to top in the direction of the outside of the bottom plate 10. The claw portion 51 c protrudes toward the bottom plate 10. Unlike the first hook 11 of the first embodiment described above, the first hook 51 of the present embodiment has a horizontal portion 51a, an inclined portion 51b, and a claw portion 51c having a wide width in the horizontal direction in the figure. Although not shown, two first hooks 51 according to the present embodiment are provided in parallel on the left end surface and the right end surface of the bottom plate 10.

  On the other hand, the first engagement hole 61 is provided in a metal plate different from the left and right side plates 30A and 30B, and has a first hole 61a, an inclined surface 61b, and a second hole 61c in order from the lower side. The first hole 61a, the inclined portion 61b, and the second hole 61c have horizontal widths corresponding to the horizontal portion 51a, the inclined portion 51b, and the claw portion 51c of the first hook 51. For this reason, the first hole 61a in this embodiment is a simple L-shaped hole, and does not have an inclined guide portion or a narrow upper end portion like the first hole 31a in the first embodiment. . The inclined surface 61 b has the same vertical width and inclination angle as the inclined portion 51 b of the first hook 51. Although not shown, two first engagement holes 61 of the present embodiment are provided in parallel on the lower side of each of the left and right side plates 30A and 30B.

  As shown in FIGS. 19B, 19C, and 18B, the left and right side plates 30A and 30B are rotated with the vicinity of the horizontal portion 51a of the first hook 51 as a fulcrum. The first engagement hole 61 can be engaged. That is, the claw portion 51 c of the first hook 51 is inserted into the second hole 61 c of the first engagement hole 61, and the inclined portion 51 b of the first hook 51 contacts the inclined surface 61 b of the first engagement hole 61. Such engagement between the first hook 51 and the first engagement hole 61 is released by rotating the left and right side plates 30A and 30B in the reverse direction.

<Third Embodiment>
The cabinet of the present invention is not limited to the metal cabinet 1 of the first embodiment described above. The coupling means of the present invention can also be applied to a wooden cabinet. Specific examples of the coupling means of the present invention applied to a wooden cabinet are shown in FIGS. 20 (a) and 20 (b) and FIGS. 21 (a) and 21 (b).

  20A and 20B, the bottom plate 70 and the left and right side plates 80A and 80B are each made of a wooden plate member. The wooden bottom plate 70 is provided with a first hook 71 made of a metal plate. On the other hand, metal engagement plates 83 are provided on the wooden left and right side plates 80A and 80B. The engagement plate 83 has a first hole 83a as a first engagement hole and an inclined portion 83b. The engagement plate 83 is covered with a metal blindfold plate 84. The first hook 71, the engagement plate 83, and the blind plate 84, which are metal parts, are all fixed to the wooden bottom plate 70 or the left and right side plates 80A and 80B with two screws 91.

  As shown in FIG. 20B, the first hook 71 is provided with a horizontal portion 71a, an inclined portion 71b, and a claw portion 71c by bending one end of the metal plate. As shown in FIG. 21A, the horizontal portion 71 a is located at the same height as the surface of the bottom plate 70 and slightly protrudes in the horizontal direction from the left end surface and the right end surface of the bottom plate 70. The inclined portion 71b and the claw portion 71c protrude above the surface of the bottom plate 70. The inclined portion 71b is inclined from bottom to top in the direction of the outside of the bottom plate 70. The claw portion 71 c protrudes toward the bottom plate 70. Similarly to the first hook 51 of the second embodiment described above, the first hook 71 of the present embodiment also has a horizontal portion 71a, an inclined portion 71b, and a claw portion 71c having a wide width in the horizontal direction in the drawing. Although not shown, two first hooks 71 of the present embodiment are provided in parallel on the left end surface and the right end surface of the bottom plate 70, two by two.

  As shown in FIG. 20 (b), depressions 81 are formed in the wooden left and right side plates 80A and 80B. A pair of left and right step portions 82 are provided in the recess 81. Due to these stepped portions 82, the shape of the recess 81 when viewed from the front is substantially T-shaped. Each step 82 is formed with a screw hole into which the screw 91 is screwed. An engagement plate 83 and a blind plate 84 are screwed to each step portion 82. Although not shown in the drawing, the coupling means including the recess 81, the stepped portion 82, the engagement plate 83, the blindfold plate 84, and the two screws 91 according to the present embodiment are arranged in parallel two under each of the left and right side plates 80A and 80B. Is provided.

  As already described, the engagement plate 83 has the first hole 83a as the first engagement hole and the inclined portion 83b. The first hole 83a is configured by a guide portion having a wide width and a symmetric inclined profile on the left and right sides and a narrow upper end portion continuous above the guide portion. The guide portion of the first hole 83 a guides the first hook 71 to the back side of the engagement plate 83. Since the width of the guide portion is wide, the two first hooks 71 can be easily inserted into the two first holes 83a. The narrow width of the upper end of the first hole 83a corresponds to the horizontal width of the first hook 71. On the other hand, the inclined surface 31 b of the engagement plate 83 has the same vertical width and inclination angle as the inclined portion 71 b of the first hook 71. Here, unlike the first and second embodiments, the engagement plate 83 of this embodiment does not have a second hole into which the claw portion 71c of the first hook 71 is inserted. As shown in FIG. 21 (b), the claw portion 71 c of the first hook 71 is engaged with the upper end surface of the inclined surface 83 b of the engagement plate 83.

  The blindfold plate 84 is an inverted U-shaped metal plate and covers the upper side of the substantially T-shaped recess 81. The blindfold plate 84 makes it impossible to visually recognize the coupling state between the first hook 71 and the engagement plate 83 from the outside, and the appearance of the coupling portion can be made simple and beautiful.

  As shown in FIGS. 21A, 21B and 20A, by rotating the left and right side plates 80A and 80B around the horizontal portion 71a of the first hook 71 as a fulcrum, The engagement plate 83 can be engaged. That is, the claw portion 71 c of the first hook 71 is engaged with the upper end of the inclined surface 83 b of the engagement plate 83, and the inclined portion 71 b of the first hook 71 contacts the inclined surface 83 b of the engagement plate 83. Such engagement between the first hook 71 and the engagement plate 83 is released by rotating the left and right side plates 80A and 80B in reverse.

1 Metal cabinet 10 Bottom plate 11, 51 First hook 11a, 51a Horizontal portion 11b, 51b Inclined portion 11c, 51c Claw portion 12 Second hook 12a Vertical portion 20 Rear plate 21A, 21B First fitting portion 21a Protruding portion 22 Second 2 engaging hole 30A left side plate 30B right side plate 31, 61 first engaging hole 31a, 61a first hole 31b, 61b inclined surface 31c, 61c second hole 32 second fitting portion 32a recessed portion 32b guide portion 33 third engaging Joint hole 33a Insertion portion 33b Guide portion 33c Engagement portion 40 Top plate 41 Third hook 41a Horizontal portion 70 Bottom plate 71 First hook 71a Horizontal portion 71b Inclination portion 80A, 80B Left right side plate 81 Depression 82 Step portion 83 Engagement plate 83a 1 hole (first engagement hole)
83b inclined portion (first engagement hole)
84 Blindfold plate 91 Screw

Claims (15)

A cabinet including a bottom plate, a rear plate, a pair of left and right side plates, and a top plate,
On the rear side of the bottom plate, a coupling means with the rear plate is provided,
Each of the left and right sides of the bottom plate is provided with a first hook that is a coupling means with the left and right side plates, and the first hook has an inclined portion that is inclined from bottom to top in the direction of the outside of the bottom plate, A claw portion provided continuously above the inclined portion,
On the lower side of the rear plate, a coupling means with the bottom plate is provided,
Each of the left and right sides of the rear plate is provided with a first fitting portion that is a coupling means with the left and right side plates, and each first fitting portion extends along the left or right side of the rear plate,
Below each of the left and right side plates is provided a first engagement hole that is a coupling means with the bottom plate, and the first engagement hole includes a first hole into which the first hook is inserted, An inclined surface that contacts the inclined portion of the first hook and is engaged with the claw portion;
Each rear side of the left and right side plates is provided with a second fitting portion that is a coupling means with the rear plate, and each second fitting portion extends along the rear side of the left and right side plates, and Corresponding to the first fitting part,
Cabinet characterized by that.   The cabinet according to claim 1, wherein the first hook has a horizontal portion that is provided continuously below the inclined portion and is positioned at the same height as the surface of the bottom plate.   The cabinet according to claim 1 or 2, wherein the first hook is made of a metal plate different from the bottom plate.   The cabinet according to any one of claims 1 to 3, wherein the first engagement hole is provided in the inclined surface and has a second hole into which the claw portion of the first hook is inserted.   The cabinet according to any one of claims 1 to 4, wherein the first engagement hole is provided in a metal plate different from the left and right side plates.   At least two or more first hooks are provided in parallel on each of the left and right sides of the bottom plate, and at least two or more first engagement holes are provided in parallel on the lower sides of the left and right side plates. The cabinet of any one of Claims 1-5 provided.   The said 2nd fitting part has a recessed part corresponding to the external shape of the said 1st fitting part, and the guide part which guides the said 1st fitting part to the said recessed part. Listed cabinet. A second hook as a coupling means with the rear plate is provided on the rear side of the bottom plate, and the second hook has a vertical portion facing the rear surface of the bottom plate,
A second engagement hole as a coupling means with the bottom plate is provided on the lower side of the rear plate, and the second engagement hole is a hole having a substantially L-shaped cross section into which the second hook is inserted. ,
The cabinet of any one of Claims 1-7.   The rear side of the bottom plate is provided with at least two or more second hooks in parallel, and the lower side of the rear plate is provided with at least two or more second engagement holes in parallel. The cabinet according to 8.   The cabinet according to claim 8 or 9, wherein the second hook is made of a metal plate different from the bottom plate.   The cabinet according to claim 10, wherein the first and second hooks are made of a common metal plate different from the bottom plate. Each of the left side and the right side of the top plate is provided with a third hook that is a coupling means with the left and right side plates, and the third hook has a horizontal portion facing the back side surface of the top plate,
A third engagement hole as a coupling means with the top plate is provided above each of the left and right side plates, and the third engagement hole is a horizontal hole into which the third hook is inserted. ,
The cabinet according to any one of claims 1 to 11.   At least two or more third hooks are provided in parallel on each of the left and right sides of the top plate, and at least two or more third engagement holes are provided in parallel on each of the left and right side plates. The cabinet according to claim 12 provided.   The cabinet according to claim 12 or 13, wherein the third hook is made of a metal plate different from the top plate. It is a manufacturing method of the cabinet given in any 1 paragraph of Claims 1-14,
A first step of placing the bottom plate on a floor surface;
A second step of coupling the back plate to the bottom plate;
A third step of coupling each of the left and right side plates to the bottom plate and the rear plate;
A fourth step of coupling the top plate to each of the left and right side plates,
The third step includes
Inclining the side plate to incline from top to bottom in the direction from the inside to the outside of the bottom plate,
Inserting the first hook into the first hole of the first engagement hole with the side plate tilted;
The claw portion of the first hook is engaged with the inclined portion of the first engagement hole by rotating the side plate from the inner side to the outer side of the bottom plate with the first hook as a fulcrum, and Fitting the first fitting portion to the second fitting portion,
A method of manufacturing a cabinet characterized by the above.