KR20010006043A - Knockdown metal cabinet - Google Patents

Abstract

The disclosed subject matter is a metal cabinet for storing documents and other products, which can in particular be assembled in a desired structure. The cabinet includes a knockdown cabinet body 1 having an open front face, which includes a back plate 2, both side plates 3 and 4 attached to both sides of the back plate 2, and The frame includes a ceiling plate and a bottom plate (5, 6) attached to the upper end and the lower end of the back plate (2) across the side plates (3, 4), respectively, and the edges of the component member can be coupled to each other In addition, the back plate 2 is fixed to both side plates 3 and 4, and both side plates 3 and 4 are connected to the top plate and the bottom plate 5 through the coupling members 45 and 52 provided in the respective frame parts. 6) is fixed.

Description

Knockdown metal cabinet {KNOCKDOWN METAL CABINET}

Conventional metal cabinets having this purpose have a box-shaped cabinet body formed by a back plate, two side plates, a ceiling plate and a bottom plate. The cabinet body may have any of a number of forms depending on the application. The side plate may be provided with a coupling plate for fixing the shelf inside the cabinet main body, the opening at the front side may be left open, the guide rail may be attached to the side plate to mount the dispenser, and the opening at the front side. It may be equipped with two sliding doors, sliding doors and glass doors. Each metal cabinet is assembled in a permanent, pre-defined form at the assembly plant, and shipped to the retailer or end user.

Since the above-mentioned conventional metal cabinet is already completely assembled and bulky and impossible to disassemble, a relatively large space is required for storage at an assembly shop, a retail store, and the like. It is a lot of work and also inconvenient. The same problem also arises when an end user moves a cabinet from one place to another.

In addition, in the conventional metal cabinet, it is also necessary to manufacture a plurality of cabinets having different shapes and store them in a warehouse because of the necessity of satisfying a wide range of different shapes such as the presence or absence of a door or the type of the door. Therefore, an increase in cost has been caused by the difficulty in sharing components in an efficient manner and in maintaining adequate amounts of storage at all times.

You can imagine designing the cabinet so that the back plate, the side plates, the top plate, and the bottom plate are connected together using fixing means such as bolts and nuts, but for end users, the task of assembling and disassembling the cabinet is too difficult, Assembly precision and sufficient mechanical strength may not be achieved.

Summary of the Invention

In view of the above-mentioned problems of the prior art, the present invention provides a metal cabinet in which the assembly of parts is easy and accurate, and if necessary, disassembly and reassembly are also possible, and a common cabinet body can be fitted with a door of a desired type. It aims to provide.

According to the present invention, the object includes a back plate, a pair of side plates mounted on both sides of the back plate, a ceiling plate and a bottom plate mounted on upper and lower ends of the back plate across both side plates, A knock-down metal cabinet having an open front surface, wherein frame parts are coupled to each other along edges of the constituent members, and the side plates are fixed to the ceiling plate and the bottom plate through coupling means formed on the frame portion. do.

According to the metal cabinet of the present invention, since the cabinet body can be assembled with a back plate, both side plates, a ceiling plate, and a bottom plate at a place other than an assembly plant, a large space for storing the cabinet in a manufacturing plant or a retail store is eliminated. The cost of transportation can be reduced.

The coupling means may comprise a coupling member secured to one of the frame members and a receiving opening provided in the corresponding frame portion to detachably couple to the coupling member. The coupling member may include an elastic member having an elastic coupling portion, and a receiving opening is formed in the corresponding frame portion. Thus, the cabinet body can be assembled and disassembled very easily so that the cabinet can move from one place to another without any problem. In particular, the coupling means allows the frame parts to be attached to each other in a securely secure manner even when no screw bolts or other fixing means are used.

According to another feature of the invention, there is provided a cabinet body having an open front face, a plurality of coupling means provided along the outer periphery of the open front face so as to interchangeably attach one of the door frames containing the sliding door, A metal cabinet is provided that includes a hinge for supporting the door.

Thus, according to the present invention, a common cabinet body can be used for cabinets with or without doors, or for cabinets with sliding doors or sliding doors, so that the number of deformations of the cabinet body can be minimized. Thus, common parts can be used for different models, and the storage of the parts is simplified. This advantage is further enhanced when the cabinet body is easily assembled and disassembled.

The engaging means includes a guide piece for interchangeably storing the tongue piece for attaching the door frame for the sliding door and the tongue piece for supporting the hinge hinge pivot for the sliding door, and the door of the cabinet body has no difficulty from one form to another It can be transformed into. If the door frame for a sliding door includes a pair of cross members and a pair of vertical members detachably connected to the frame structure via connecting means formed at four corners, the overall assembly work is simplified, and more common parts are added to the door. Can be used for the frame, the overall cost is significantly reduced.

According to a preferred embodiment of the present invention, the engaging means comprises a retaining member into which an opening formed in each guide slot for receiving a related one of the tongue pieces is inserted, wherein the retaining member is an inner passage for receiving the tongue piece. And a pair of clamp plates extending rearward from the tubular front end to accommodate the front end of the tongue piece between the clamp plates, and a engaging projection for retaining the retaining member in the opening, The passageway gradually narrows toward its rear end, in which the wall forming the passageway is pushed away when the tongue piece is fitted into the passageway, so that the clamp plate is on the free end of the tongue piece. Is pressurized. This allows the cabinet to be assembled in a high precision and rigid manner.

Preferably, the retaining member is disassembled from the cabinet body by depressing the engaging projection in the opening and pulling the retaining member back out of the opening. In addition, the free end of the tongue piece is provided with an opening while the retaining member is provided with an inwardly oriented projection, and the projection fits into the opening of the tongue piece when the tongue piece is fully inserted into the passageway.

Removal of the tongue piece can easily be made if the tongue piece is separated from the retaining member by elastically deforming the retaining member such that an inwardly oriented protrusion separates from the opening of the tongue piece.

The invention is described below with reference to the accompanying drawings.

The present invention relates to a metal cabinet for storing documents or other articles, and more particularly to a metal cabinet that can be easily assembled into an intended structure.

1 is an overall perspective view of a metal cabinet implementing the present invention in an assembled state,

FIG. 2 is an overall perspective view showing the metal cabinet of FIG. 1 in an exploded state; FIG.

3 is a cut-away perspective view of a structure for connecting the back plate to the side plate of the metal cabinet of FIG.

4 is a cutaway perspective view of an upper end and a lower end of one of the side plates of the metal cabinet of FIG. 1;

5 is a cutaway perspective view of the ceiling plate of the metal cabinet of FIG. 1;

6 is a perspective view of a bottom plate of the metal cabinet of FIG. 1, FIG.

FIG. 7 is a schematic longitudinal sectional view of the metal cabinet of FIG. 1;

8 is an exploded perspective view showing a form of attaching a sliding door frame to the metal cabinet of FIG. 1;

9 is a perspective view showing a form of attaching a swing door frame to the metal cabinet of FIG. 1,

10 is a schematic longitudinal sectional view of a sliding door metal cabinet,

11 is a schematic longitudinal sectional view of a swing door metal cabinet,

12 is an enlarged perspective view of the retaining member for attaching the door to the metal cabinet of FIG. 1;

13 is a longitudinal sectional view showing a use form of a retaining member;

14 is an enlarged perspective view of the sliding door frame of FIGS. 8 and 10.

Metal cabinets embodying the present invention are described below with reference to FIGS. 1 to 14. 1 schematically shows a cabinet body 1 consisting of a rectangular box with a front opening, comprising a back plate 2, a pair of side plates 3 and 4, a top plate 5 and a bottom plate 6. have. The cabinet 7 may optionally be provided in the cabinet body 1 so as to extend laterally across both side plates 3, 4. When the cabinet body 1 is placed on the floor, the base 8 may optionally be placed under the bottom plate 6. Guide slots 9 and 10 may be provided on the opened front surface of the top plate 5 and the bottom plate 6 so that the door can be fitted.

2 is an exploded perspective view of the cabinet body 1. Initially, the back plate 2 is disposed on the bottom surface as a reference element. Both side plates 3, 4 are arranged vertically on the back plate 2 so that their rear ends face down, while the rear end frame parts 11, 12 of both side plates 3, 4 are arranged on both sides of the back plate 2. It slides sideways as indicated by arrows A and B until it engages with the frame portions 13 and 14.

The bottom plate 6 is inclined upwardly with its rear end positioned on the inner surface of the back plate 2, and the rear end thereof is placed on the outer circumference of the back plate 2 as indicated by the arrow C. FIG. While pushing against it, it moves further vertically upward as indicated by arrow (D). The rear end frame portion 16 of the bottom plate 6 is thereby engaged with the bottom frame portion 16 of the back plate 2, while the two side frame portions 17, 18 of the bottom plate 6 have a side plate 2. Coupling with the lower frame portion (19, 20) of the).

The ceiling plate 5 is then placed vertically such that its rear end is above a portion of the bottom near the upper end of the back plate 2, and then the rear end frame portion 21 of the ceiling plate 5 is the back plate. It slides vertically inward as indicated by the arrow E until it fits into the upper frame portion 22 of (2). At the same time, both frame portions 23 and 24 of the ceiling plate 2 engage with the upper frame portions 25 and 26 of the side plates 3 and 4.

Hereinafter, each component described above will be described in more detail with reference to FIGS. 2 to 6. Referring to the detailed perspective view of Fig. 3, the two side frame portions 13 and 14 (FIG. 3 shows the right frame portion 14) have the side ends (the bent pieces 27) symmetrically in the L-shaped inner side. Each bent piece 27 is formed in the back plate 2 by bending in the shape of the back plate 2, and each of the bending pieces 27 is a rectangular coupling hole formed on both transverse sides of each of the storage slots 28 cut into a U-shape and each of the storage slots 28. (29) and a marginal notch (31) for avoiding interference with both frame portions (23 or 24) of the ceiling plate (5).

The upper frame portion 22 of the back plate 2 is formed by the bent piece 32 bent in a rectangular C shape, and the L-shaped rear bend portion 33 is formed at the outermost edge of the bent piece 32. The storage slot 34 is formed between the bent piece 32 and the rear bent portion 33 to accommodate the frame portion 21 of the ceiling plate 5. A holding member 36 made of synthetic resin having a shape of a rectangular block is fitted into the space formed by the bent piece 32. The retaining member 36 projects into the storage slot 34 through a slit 36a for imparting flexibility to the retaining member 36 and a hole 37 formed in the bending piece 32 from the surface. The engaging protrusion 35 is provided. The rear bent portion 33 cooperates with the marginal notch 31 to bend each side end portion so as to fit with corresponding portions of both frame portions 23 or 24 of the ceiling plate 5. Slightly shorter than

Although not shown in detail, as can be understood from the description with reference to FIGS. 2 and 7, the lower frame portion 16 of the back plate 2 is similar to the bent piece 38 bent in an L shape from its lower end. In the side end portions of the bent piece 38, the bottom plate 6 is cooperated with the clearance notches 39 formed in the lower end portions of the both frame portions 13 and 14 of the back plate 6. Notches 40 are formed to define fittings for both frame portions 17, 18.

Both side plates 3 and 4 are each formed in a symmetrical structure, and thus can be used interchangeably by turning their upper side downward with respect to the right side plate or the left side plate. As shown in the detailed perspective view of FIGS. 3 and 4, each side plate has a thick wall structure in the form of a double wall having an outer wall 41 and an inner wall 42 attached to the inner surface of the outer wall 41 by welding or the like. Is made. The rear end frame portions 11 or 12 of both side plates 3 or 4 are formed by bending the bent pieces 43 and 44 inward in a rectangular C-shape, and in order to detachably retain the back plate 2, Two retaining members 45 (eg two, one above and one below) are attached to the bent piece 43.

At the front end of each side plate 3 or 4, the bent piece 54 is bent inward in an L shape to form the front frame 46 or 47, and the front frame 46 and the rear frame 11 are formed. The inner wall 42 described above extends between or between the front frame portion 47 and the rear frame portion 12. In the inner wall 42, a coupling hole 48 may be formed to releasably mount the coupling piece for supporting the shelf 7 at a desired height. As a variant, although not shown in the figures, guide rails and other structures may be fitted therein for mounting the extractor.

The upper frame portion 25 or 26 and the lower frame portion 19 or 20 of each side plate 3 or 4 are raised or lowered more than the corresponding edge of the trailing frame portion 11 or 12 of the upper or lower portion of the side plate material. The frame piece 49 formed by bending inward with a relatively small width so as to protrude from the surface, and optionally, the thickness of the top plate 5 or the bottom plate 6 in order to loosely receive the top plate 5 or the bottom plate 6. Each joining piece 50 formed by the upper end part or the lower end part of the inner wall 42 so that it is thicker than the frame piece 49 is provided, respectively. This joining piece 50 is provided with engaging projections 51 and 53, and is fitted to the holding member 52.

The engaging projection 51 is cylindrical in shape, and has a tapered free end and a base end welded to the inner wall 42. The retaining member 52 is made of a resilient plastic material, which can be elastically opened and closed, has a free end formed as a hook-type engaging piece 55, and a rectangular engaging hole 56, which engaging hole 56 It has a base end fixed to the inner wall 42 via). The engaging projection 53 is formed of a plate member cut into a hook shape and has a base end welded to the bent piece 54 of the front end frame 46 or 47.

As shown in the detailed perspective view of FIG. 5, the ceiling plate 5 has a shear frame portion 59 defined by a bending piece 57 having a rectangular C-shaped cross section, and similarly has a rectangular C-shaped cross section. The joining piece 58 which cooperates with the frame piece 57 and forms a box-shaped sealing body jointly is provided. A guide slot 9 for mounting a door is formed on the front end face of the bent piece 57, and the engaging protrusions of the side plates 3 and 4 described above are formed on the inner end face of the bent piece 57. Coupling slots 60 are formed to accommodate 53. A hole 61 is formed in the inner end face of the bent piece 57 to accommodate the pins of the engaging member 78 that fit into the guide slot 9 as described above. The joining piece 58 is fitted to the retaining member 62 to releasably engage the joining piece 78.

The rear end frame portion 21 of the top plate 5 is bent into a rectangular cross section by a width that allows the front frame portion 78 to fit loosely into the fitting slot on the front end of the back plate 2 as described above. . An end surface of the rear frame portion 21 is formed with a rectangular storage slot 63 for accommodating the engaging projection 35 of the rear panel 2.

Both frame portions 23 and 24 (only the left frame portion 23 is shown in Fig. 5) of the top plate 5 are symmetrical in shape and bent in a rectangular cross section. The bottom surface of both frame portions 23 or 24 has a rectangular retaining hole 64 for releasably engaging with the retaining member 52 of both side plates 3 or 4, and a circular accommodating hole for accommodating the engaging projection 51. 65 is provided.

As shown in the detailed perspective view of FIG. 6, the bottom plate 6 is a closed rectangle having a bent piece 66 having a rectangular C-shaped cross section and a stepped side in cooperation with the bent piece 66. The front end frame part 68 is provided by the joining piece 67 which defines a cross section. The guide slot 10 is formed in the front end surface of this joining piece 66 for mounting a door as mentioned above. The inner end surface of the frame piece 66 is further provided with a hole 70 to accommodate the pin of the engaging member 78 to be fitted into the guide slot 10 as described above. The retaining member 71 is fitted to the joining piece 67 in order to detachably engage the engaging member 78.

The rear end frame portion 72 of the bottom plate 6 is formed by bending the rear end portion of the bottom plate 6 in an L shape, and a reinforcing bracket 73 composed of channel members is formed at the rear end and the front end of the bottom plate 6. It is welded to the opposite surface of the bottom plate 6 across the part. Both frame parts 17 and 18 (only the left frame part 17 is shown in FIG. 6) of the bottom plate 6 are symmetrical shapes, respectively, and are formed by the bending piece which has L-shaped cross section. In the corners of the rear end, notches 74 are formed respectively to promote fitting to the back plate 2, and rectangular storage holes for detachably engaging the engaging projections 53 of both side plates 3 and 4 ( 76 and a circular accommodation hole 77 for accommodating the engaging projection 51 are formed in the upper surface of the bottom plate 6.

When assembling both side plates 3 and 4 to the back plate 2, the bent pieces 44 of the rear frame parts 11 and 12 are located on the inner surface of the back plate 2, as shown in FIG. It then slides outward as indicated by the arrow until the bent piece 44 fits into the both frame portions 13 and 14, and the bent piece 43 is placed on the bent piece 27 so as to be placed on the bent piece 27. It is loosely accommodated in the sections 13 and 14. At the same time, the retaining member 45, the receiving slot 28 and the receiving hole 29 ensure the engagement between the side plates 3, 4 and the back plate 2.

Proper positioning of both side plates 3 and 4 and back plate 2 to be joined together allows bending pieces 43 and 44 to fit into both frame portions 13 and 14 so that firm attachment is established, and In addition to the engagement piece 45c on both sides of the retaining member 45, which is elastically provided by the slit 45b that fits into the engagement hole 29 while sliding along the inner surface of the bending piece 27 to be set. By means of the engagement between each retaining member 45 and the arcuate engagement surface 45a formed therein and the corresponding receiving slot 28.

When assembling the bottom plate 6 into a small assembly formed by the back plate 2 and the side plates 3 and 4, the rear end frame portion of the bottom plate 6, as shown in the longitudinal cross section at the lower side of FIG. 72 fits from the inside into the bottom frame portion 16 of the back plate 2, and then pushes the front frame portion 68 of the bottom plate 6 to the bottom frame portions of both side plates 3 and 4; Combine with (19, 20). As a result, the engaging projection 53, the retaining member 52, and the engaging projection 51 projecting from both side plates 3 and 4 allow the bottom plate 6 to be placed on both side plates 3 and 4 and both side plates ( It fits into the engagement slot 76 and the receiving holes 69 and 77 to engage the back plate 2 via 3 and 4.

Proper positioning between the bottom plate 6 and the side plates 3 and 4 joined together is achieved by fitting the engaging projections 51 and 53 into the receiving slots 77 and 69. The retaining member 52 having the elastic engaging piece 55 is detachably but firmly fits into the engaging slot 76, and the rear end frame portion 72 of the bottom plate 6 has a lower end of the back plate 2. Fit into the frame part 16, these three parts are firmly joined to each other.

When assembling the top plate 5 into a small assembly formed by the back plate 2 and both side plates 3 and 4, the rear end frame portion 21 of the top plate 5, as shown in the longitudinal section at the top of FIG. While the coupling protrusions 51 and 53 fit into the coupling slots 34 of the upper frame portion 22 of the back plate 2, the coupling protrusions 51 and 53 push the ceiling plate 5 downward to engage the coupling holes 65 and the coupling slots 60. Fit into). As a result, the engaging projection 35 projecting from the retaining member 36 fitted inside the upper frame portion 22 engages with the engaging hole 63 formed in the rear frame portion 21, while the side plates 3, 4 The retaining member 52 is inserted into the receiving hole 64 of the ceiling plate 5 so that the ceiling plate 5 is connected to the back plate 2 through both side plates 3 and 4 and through the side plates 3 and 4. do.

Proper positioning between the top plate 5 and the side plates 3 and 4 connected to each other is achieved by fitting the engaging projections 51 and 53 into the receiving holes 65 and 60. The retaining member 52 having the elastic coupling piece 55 is detachably but firmly fitted into the receiving hole 64, and the rear end frame portion 21 of the top plate 5 is the upper frame portion 22 of the back plate 2. ), The three parts are firmly connected to each other.

Thus both side plates 3, 4, bottom plate 5 and ceiling plate 6 are assembled to the back plate 2 as shown in FIG. 1 without fixing means such as nuts and bolts, and the component parts are detachable. Because they are not connected to each other via frame portions formed along the edges of the components cooperating with the retaining member, the assembled cabinet is very structurally robust while the assembly work is very simple.

When disassembling the cabinet body 1, a flat piece, such as a tip of a screwdriver, is fitted into the gap between the side plates 3, 4 and the ceiling plate 5, and the elastic engagement piece 55 of the retaining member 52. Passes through the compressed state, and the top plate 5 is pushed upward from the inside. As a result, the engaging piece 55 is released from the storage hole 64 of the ceiling plate 5. Similarly, a flat piece, such as the tip of a screwdriver, fits into the gap between the top frame portion 22 of the back plate 2 and the rear frame portion 21 of the top plate 5, while the engaging projection 35 is topped. Pushed toward the frame portion 22, the top plate 5 is pushed upward from the inside so that the engaging projection 35 is released from the engaging hole 63.

When disassembling the bottom plate 6, similarly to the case of the top plate 5, the holding member 52 is released from the receiving hole 76, and then the rear end frame portion 72 of the back plate 2 is removed. It may be released from the lower frame portion 16.

When disassembling both side plates 3 and 4 from the back plate 2, a flat piece, such as a tip of a screwdriver, is placed between the rear end frame portions 11 and 12 of both side plates 3 and 4 and the back plate 2; The side plates 3 and 4 are pushed out in the opposite direction to the assembly direction while the fitting piece 45c of the retaining member 45 is pulled out of the coupling hole 29.

The cabinet body 1 is a glass or other sliding door as shown in FIGS. 8 and 10 by mounting a door frame 79 with a rail on the front opening of the cabinet body 1 and shown in FIGS. 9 and 11. As described, by installing the swing door 80, the swing door can be installed. This is done by using guide slots 9, 10 formed in the shear frames 59, 68 of the top plate 5 and the back plate 6, and the engaging members 62, 71 pass through the mounting plate 81. It is fitted to the front end frames 59 and 68, and the retaining member 78 is fitted to the guide slots 9 and 10 to detachably engage the retaining member 78.

As shown in Figs. 12 and 13, the engaging members 62, 71 are made of an elastic plastic material, each provided with a front side composed of rectangular and tubular portions 83, and the rear end side with a tubular portion 83. It consists of upper and lower clamping plates 84, 85 extending substantially parallel to the upper and lower surfaces of the substrate. Inner surfaces of the upper and lower walls of the tubular portion 83 are provided with a plurality of tapered ribs 86 which form an inner passageway, which gradually narrows its termination. A portion adjacent the end of the central rib 86 is provided with an engaging projection 87. The tubular portion 83 has a notch 88 for giving elasticity to the clamping plates 84, 85, and lateral and vertical projections for retaining the engaging members 62, 71 on the mounting plates 81, 82 ( 89, 90).

As shown in Fig. 13, when the flat retaining member 78 having the engaging hole 91 for receiving the engaging projection 87 adjacent to the free end is fitted to the corresponding engaging member 62, 71, the rib As they slide along the surface of 86, the two sides of the engagement member 78 expand the gap between the upper and lower clamping plates 84, 85. When the engaging projection 87 is engaged by the engaging hole 91, the two parts are firmly connected to each other. By setting the gap between the two clamping plates 84 and 85 to be smaller than the thickness of the coupling member 78, the front end of the coupling member 78 is pushed to open the gap between the clamping plates 84 and 85. Accordingly, a force for narrowing the gap between the upper wall and the lower wall of the tubular portion 83 can be generated. As a result, it is possible to increase the force for holding the engagement member 78.

When the cabinet is fitted with the sliding door, it is convenient to premount the rectangular frame which acts like the door frame 79. If the frame is assembled or mounted by welding, the assembly precision may be lost, which may lower productivity. Thus, according to the present invention, the upper and lower cross frame members 92 and 93 and the right and left vertical frame members 94 and 94 (only the right vertical frame member are shown in the figure) are shown in FIG. It is connected to each other using connecting means as shown.

The cross frame members 92 and 93 and the vertical frame member 94 may be made of an injection molded aluminum member having a desired cross section. Preferably, the inner surfaces of the cross frame members 92 and 93 may be formed integrally with the guide rails for sliding doors, while the outer ends of the cross frame members 92 and 93 form channel slots 97 and 98. . The two end portions of each channel slot 97, 98 can be fitted with retaining members 99, 100 made of plastic and given the appropriate shape, and the flanges 101, 102 have a top plate 5 and a bottom plate. It extends from the portion adjacent to the guide rails 95 and 96 so that it can be placed on the inner surface of (6).

Each vertical frame member 94 consists of a tubular member 103 having a substantially rectangular cross section and is provided with a flange 104 which can be placed on the inner surfaces of the corresponding both side plates 3, 4. The upper and lower ends of the tubular member 103 are closed by a cap 106 having a drop entry hole 105. The connecting bracket 78A (the connecting bracket 78 for the sliding door) extends from the portion connecting the upper and lower ends of the tubular member 103.

The connection bracket 78A includes a tongue piece 107 for the retaining members 99 and 100, a storage slot 108, a mounting piece 109 for the tubular member 103, a coupling slot 110, and a guide slot 9, 10. ) A tongue piece 111, and a tongue piece 112 for retaining members 62, 71. The tongue piece 109 fits into a notch 113 provided on the inner surface of the tubular member 103, while at the same time the engagement slot 110 engages with the opening edge to hold the connection bracket 78A while the mounting piece 109 Is attached to the tubular member 103 together with the cap 106 by the threaded bolt 115, and the threaded bolt 115 passes through the drop inlet hole 105 into the threaded bore 114. Screwed together.

Each of the retaining members 99 and 100 has an accommodating slot 116 for accommodating the tongue piece 107, clamping pieces 117 and 118 formed above and below the accommodating slot 116, and ends of the accommodating slot 116. A hollow portion 119 formed in the hollow portion 119, a tongue piece 120 formed by the rest of the hollow portion 119 and fitted into the receiving slot 108, and a slot 97, 98 of each cross frame member 92, 93. It includes a coupling slot 122 for receiving the bending piece 121 formed on the edge of the). The rectangular door frame 79 thus correspondingly holds the connecting brackets 78A fixed to the vertical frame 94 by detachably fixing the retaining members 99 and 100 to the end portions of the cross frames 92 and 93. It is formed by fitting to the member 99.

When the tongue pieces 111 and 112 of the connecting bracket 78A are pushed into the guide slots 9 and 10 of the cabinet body 1, the retaining members 62 fit to the free ends of the tongue pieces 111 and 112, respectively. 71 holds the tongue piece 112 as shown in FIG. 10. At the same time, the flanges 101, 102 of the cross frame members 92, 93 rest on the inner surfaces of the top plate 5 and the bottom plate 6, while the flanges 104 of the vertical frame member 94 have both side plates. Placed on the inner surface of (3, 4), the door can be guided by the guide rails 95, 96 so that the cabinet is fitted with the sliding door.

When the cabinet is desired to be assembled as the cabinet is fitted with a swinging door, a step is formed between the tongue piece 112 and the mounting piece 109 of the connecting bracket 78B serving as the connecting bracket 78, and the pivot shaft ( 123 is firmly fixed thereto and is erected inward from the mounting piece 112. Each door 80 is fitted into the guide slots 9 and 10 of the cabinet body 1 and retained by the retaining members 62 and 71 in a manner similar to the case of the cabinet in which the connection bracket 78B is fitted to the sliding door. The upper end and the lower end of the pivot are pivotally supported by the pivot shaft 123.

The sliding door or the sliding door can be separated from the cabinet body 1 by pulling the connecting bracket 78 out of the retaining members 62, 71, and easily by pulling the engaging projection 87 from the engaging hole 91. On the other hand, a flat piece, such as the tip of a screwdriver, is inserted into the gap d between the clamping plates 84 and 85 to push them apart. In order to further strengthen the attachment of the connecting bracket 78 and the retaining members 62 and 71, the threaded bolts pass through the through holes 6a and 70 formed in the top plate 5 and the bottom plate 6, respectively. Threads formed at 78 can be screwed into the formed holes 124.

Therefore, the cabinet main body 1 may be used with the front face open, and a sliding door or a sliding door may be installed therein. When the guide rail is properly provided on both side plates 3 and 4, the drawer can be installed in the cabinet body. Thus, the cabinet body 1 can be easily adapted to various different applications by allowing the sliding door, the sliding door, and the like to be selectively installed therein.

Retaining members 36 and 45 for connecting the top plate 5, the bottom plate 6 and the side plates 3 and 4 to the back plate, and the connecting bracket 78 for mounting the door are removable to the corresponding member. , But may be permanently fixed to the corresponding member. In a variant embodiment, the retaining member and the connecting bracket may be provided with latch means to facilitate the separation of the associated component parts. The cabinet body 1 may be equipped with special tools for assembly and disassembly.

While the invention has been described above by way of preferred embodiments thereof, it will be appreciated that various modifications and changes may be made by those skilled in the art without departing from the scope of the invention as set forth in the appended claims.

Claims (10)

A knock-down metal cabinet having a front opening, comprising a back plate, a pair of side plates attached to both sides of the back plate, and a top plate and a bottom plate attached to the top and bottom portions of the back plate across the side plate as components. To A mutually coupled frame portion is formed along an edge of the constituent member, and the side plate is fixed to the ceiling plate and the bottom plate through coupling means formed on the frame portion. Knock-down metal cabinet. The method of claim 1, The engaging means includes a coupling member fixed to one of the frame portions, and a receiving opening provided in a corresponding frame portion for attaching and detaching with the coupling member. Knock-down metal cabinet. The method of claim 2, The engagement member includes a plastic member having an elastic engagement portion, and the receiving opening is formed in the corresponding frame portion. Knock-down metal cabinet. A cabinet body with an open front surface; A plurality of engagement means provided along an outer periphery of said opened front surface to interchangeably attach one of the door frames to receive sliding doors; Including a hinge for supporting the swing door Metal cabinet. The method of claim 4, wherein The engaging means comprises a guide slot for interchangeably receiving a tongue piece for attaching the door frame for a sliding door and a tongue piece for supporting the hinge pivot for the sliding door. Metal cabinet. The method of claim 4, wherein The sliding door frame includes a pair of cross members and a pair of vertical members, which are detachably connected to the frame structure through connecting means formed at four corners. Metal cabinet. The method of claim 5, The engaging means includes a retaining member fitted into an opening formed inside each guide slot for receiving an associated one of the tongue pieces, the tubular shear forming an inner passage for receiving the tongue piece; A pair of clamp plates extending rearward from the tubular front end to receive the front end of the tongue piece between the clamp plates; An engaging protrusion for retaining said retaining member in said opening; The passageway gradually narrows toward its rear end, in which the wall forming the passageway is pushed away when the tongue piece is fitted into the passageway, so that the clamp plate is on the free end of the tongue piece. Pressurized Metal cabinet. The method of claim 7, wherein The retaining member is released from the cabinet body by pressing the engaging projection in the opening and pulling the retaining member back out of the opening. Metal cabinet. The method of claim 7, wherein The free end of the tongue piece is provided with an opening, the retaining member is provided with an inwardly oriented protrusion, and the protrusion is fitted into the opening of the tongue piece when the tongue piece is fully inserted into the passageway. Metal cabinet. The method of claim 9, The tongue piece is released from the holding member by elastically deforming the holding member such that the inwardly oriented protrusion is released from the opening of the tongue piece. Metal cabinet.