JP4811002B2 - Post mounting device in an assembly desk - Google Patents

Description

  The present invention relates to a column mounting device in an assembly desk, and more particularly to a column mounting device in an assembly desk for supporting a heavy object such as an upper cabinet on a top plate in a knockdown type assembly desk. is there.

  Conventionally, in order to provide an upper cabinet above the rear part of the desk top plate, various types have been provided in which a column is erected on the rear part of the desk top plate. For example, it is also disclosed in Patent Documents 1 and 2 according to the prior application of the applicant. In Patent Document 1, a table top plate is provided in a state where a support plate and a table top plate are attached to an upper surface of a block-shaped connecting body provided at a rear corner portion to connect a leg, a curtain plate and a table top. In order to place the storage box upright on the upper rear side via a pair of left and right columns, a pair of horizontal flanges extending perpendicularly to each other at the base of each angle-shaped column are in contact with the rear corners of the tabletop In this state, a structure that is placed on the upper surface of the support plate and fixed with four bolts is disclosed.

  Further, in Patent Document 2, when an overhead cabinet is disposed above the top plate, a connecting body or a top plate support plate in which columnar members that support both ends of the overhead cabinet are attached to the upper ends of the legs. When the columnar member is erected from the top surface, the columnar member is formed into an L-shaped cross section with a metal plate, and a part of the cross section includes an inner surface of the notch portion of the top plate, and a cover body that compensates for the notch portion. A structure in which the lower end of the columnar member is fastened to the connector by a plurality of bolts is disclosed.

  Further, in Patent Document 3, each support rod for connecting to the upper portion of the leg body to support the top plate has a bottomed receiving hole having the same planar shape as the cross-sectional shape of the supporting column such as a shelf board. At the rear edge of the top plate that is formed directly above it, a resectable part that complements the cross-sectional shape of the part excluding the rear end of the column is formed. There is disclosed a structure in which a hole is provided, a lower end of a column is fitted into the receiving hole, and a screw is screwed into a screw hole of a closing plate from below.

However, those described in Patent Documents 1 and 2 described above are support structures suitable for the case where the support column has an angle shape, and the support in the support state is somewhat insufficient. Moreover, the thing of patent document 3 is provided with the excisable part for letting a support | pillar pass to a top plate, and once it excises, when removing a support | pillar, not only the appearance property is impaired, but the effective use area of a top plate is narrowed. Cause.
JP 2002-153330 A Japanese Patent No. 3673695 JP 2003-159126 A

  Therefore, in view of the above-described situation, the present invention intends to solve the problem that a column is erected on the rear side of the top plate in order to support heavy objects such as an upper cabinet on the top plate in a knockdown type assembly desk. In such a case, it is possible to provide a column mounting apparatus in an assembly desk that can firmly support the column without performing any processing that impairs the appearance on the surface side of the top plate, and can be easily mounted. .

In order to solve the above-mentioned problems, the present invention provides a fixing bracket that has a duct opening formed between the rear edge of the top plate and the curtain plate provided between the legs, and is fixed to the lower end of the column. A corner for erecting a support column at the corner of an L-shaped top plate in an assembly-type desk that is attached to at least the leg under the plate and holds the support column in a standing state on the top plate through the duct opening. The fixing bracket is formed by welding a holding member having a substantially U-shaped cross section to the lower surface of a fixing plate having a substantially right triangle shape in plan view, and holding the upper ends of the corner legs from both sides with a pair of holding plates depending on the holding member. And a support mounting device for an assembly-type desk , wherein both holding plates are screwed to both side surfaces of the corner leg .

Here, the lower end of the column is fitted into the opening formed in the fixing plate of the corner fixing bracket, the lower end of the column is abutted against the reinforcing member provided at a distance below the fixing plate, and the screw is screwed from below. It is preferable to be fixed and welded to the column at the mouth edge of the opening.

Then, while placing the top plate over the fixed plate, it is preferable that the screwed the fixing plate to the lower surface of the top plate (claim 3).

In the assembly desk according to the first aspect of the present invention, the support mounting device is attached to the leg at least on the leg under the top plate, and the support post is attached to the rear edge of the top plate. Since it is held upright on the top plate through a duct opening formed between it and the curtain, the support strength of the column is high and the top plate is not processed at all, so that the appearance can be improved. Furthermore, the corner fixing bracket for erecting the support column at the corner portion of the L-shaped top plate welds a holding member having a substantially U-shaped cross section to the lower surface of the fixing plate having a substantially right triangle shape in plan view, and a pair of the holding members. Fits the upper end of the corner leg from both sides with the holding plate hanging down, and is screwed to both sides of the corner leg to attach it directly to a high strength member In addition, the mounting strength can be greatly increased by screwing in a plurality of locations three-dimensionally.

According to claim 2, the lower end portion of the support column is fitted into the opening formed in the fixing plate of the corner fixing bracket, and the lower end of the support column is stopped against the reinforcing member provided at a distance below the fixing plate. Since it is screwed from below and welded to the column at the lip of the opening, it has a two-point support structure, and the mounting strength of the column to the corner fixing bracket is very high and has excellent durability. .

According to claim 3 , the mounting strength is further increased by screwing the fixing plate of the corner fixing bracket to the lower surface of the top plate.

  Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. FIG. 1 is an overall perspective view of an assembling desk to which the present invention is applied, FIGS. 2 to 13 show details thereof, and FIGS. 14 to 26 show an upper cabinet structure and a support structure according to the present invention. Reference numeral 1 is an L-shaped top plate, 2 is a rectangular top plate, 3 is an end leg, 4 is an intermediate leg, 5 is a corner leg, 6 is a curtain, 7 is a blind panel, 8 is a support, 9 is Each upper cabinet is shown.

  As shown in FIGS. 1, 5, 6, and 9, the assembly-type desk of the present embodiment has end legs that are mirror images of each other on the end sides of the L-shaped top plate 1 and the rectangular top plate 2. The body legs 3 and 3 are disposed, the intermediate leg body 4 is disposed at the connecting portion of the L-shaped top panel 1 and the rectangular top panel 2, and the corner leg body 5 is disposed at the corner of the L-shaped top panel 1, They are connected to each other by beams 10,..., Which will be described later, and between the end leg 3 and the corner leg 5, between the corner leg 5 and the intermediate leg 4, and A curtain plate 6,... Is detachably attached between the rear end surfaces between the intermediate leg 4 and the other end leg 3. Further, the assembly type desk of the present embodiment is configured such that a blindfold panel 7 can be detachably attached to the back side of the curtain plate 6. A duct opening 11 is formed between the rear edge of the L-shaped top plate 1 and the curtain plate 6, and a pair of support columns 8, 8 whose lower ends are fixed below the L-shaped top plate 1. Is erected through the duct opening 11, and upper cabinets 9, 9 are supported on the upper ends of both supports 8, 8.

  The end leg 3 and the beam 10 are connected using a T-shaped bracket 12 (see FIGS. 4 and 5), and the intermediate leg 4 and the beam 10 are connected using a cross-shaped bracket 13. This is performed (see FIG. 6), and the connection with the corner leg 5 is performed by connecting the receiving metal 14 attached to the corner leg 5 and the connection metal 15 connected to the end of the beam 10 at a predetermined angle (FIGS. 7 to 7). (See FIG. 9).

  The basic configuration of the assembling desk according to the present embodiment includes two end legs 3, an intermediate leg 4 and corner legs 5 according to the desk form, and a curtain plate 6 and a beam 10, Further, an appropriate number of two T-shaped brackets 12, cross-shaped brackets 13, receiving brackets 14, and connecting brackets 15 are used according to the desk form. In addition, an appropriate number of L-shaped top plates 1 and rectangular top plates 2 are used according to the desk form. The desk form shown in FIG. 1 is an L-shape in plan view in which an L-shaped top plate 1 and a rectangular top plate 2 are connected. In this example, two end legs 3, 3, each one intermediate leg 4, corner leg 5, three curtains 6, ..., three beams 10, ..., two Two T-shaped brackets 12, 12, one cross-shaped bracket 13, one receiving bracket 14, and two connecting brackets 15, 15 are used.

  Then, the end leg 3 and the corner leg 5 are raised and held at predetermined positions, a T-shaped bracket 12 is coupled to one end of the beam 10, and a coupling bracket 15 is coupled to the other end. 12 is connected to the front / rear intermediate portion of the upper end portion of the end leg 3, and the connecting bracket 15 is attached to a receiving bracket 14 attached to the front of the upper end portion of the corner leg 5 at a predetermined angle (90 ° L-shaped top plate). 1 is 45 °). Further, the intermediate leg 4 is raised and held at a position separated from the corner leg 5 by a predetermined distance, and a cross-shaped metal fitting 13 is connected to one end of the beam 10 and a connecting metal 15 is connected to the other end. The cross-shaped bracket 13 is connected to the front and rear intermediate portions of the upper end portion of the intermediate leg 4, and the connecting bracket 15 is attached to the receiving bracket 14 attached to the corner leg 5 at a predetermined angle (90 ° L-shaped top plate 1). If so, connect at 45 °. Then, the curtain plate 6 is passed over the rear end surfaces of the end leg body 3 and the corner leg body 5 and fitted and locked from above, and the curtain board 6 is also connected to the corner leg body 5 on the other side. The intermediate leg 4 is passed over the rear end surface of the intermediate leg 4 and engaged and locked from above. At this time, the engagement state is maintained by suppressing the rising of the curtain plate 6. In addition, one end of the short connecting plate 16 is attached to the position near the front of the upper end of the end leg 3 so as to face the inner side at a right angle, and the position near the front of the upper end of the intermediate leg 4 is attached. The central portion of the long connecting plate 17 is attached so that both end portions are oriented at right angles to both sides. A fixing plate 18 is attached to a position near the rear part of the upper end of the corner leg 5. Then, the L-shaped top plate 1 is placed on the end leg 3, the intermediate leg 4, and the corner leg 5, and the beams 10, 10, the short connecting plate 16, and the long connecting plate from below. Screws 19,... Inserted through 17 and the fixing plate 18 are screwed into screw holes 20 formed on the lower surface of the L-shaped top plate 1.

  In order to extend the rectangular top plate 2 to one side of the L-shaped top plate 1, first, one end of the beam 10 is connected to the cross-shaped bracket 13 connected to the intermediate leg 4, and A T-shaped bracket 12 is connected to the other end of the beam 10, and the end leg 3 is raised at a predetermined distance from the intermediate leg 4, and the front and rear intermediate parts of the upper end of the end leg 3 The T-shaped metal fitting 12 is connected to the upper end of the end leg 3 and the intermediate leg 4 and fitted and locked from above, and finally the rectangular top plate is joined. 2 is mounted on the end leg 3 and the intermediate leg 4, and is attached to the beam 10 from the lower side toward the front side of the upper end of the end leg 3 toward the inside. 16 and screws 19,... Inserted through a long connecting plate 17 attached to the front side of the upper end portion of the intermediate leg 4 toward both sides. Screw holes 20 formed on the lower surface of the top plate 2, is mounted screwed ... to.

  Further, in order to attach the blind panel 7 to the back side of the curtain plate 6, as shown in FIG. 12, an upper end cap 21 provided at the upper end of both ends of the curtain plate 6 and a receiving piece 22 provided at the lower ends of both ends. And is held by a locking metal fitting 23 which is attached to the front surface of the blindfold panel 7 and vertically on both sides. Specifically, the upper end cap 21 has an inclined surface 24 that descends forward, the receiving piece 22 has an engagement hole 25, and the protruding piece 26 at the lower end of the locking fitting 23 is connected to the receiving piece. At the same time as dropping into the engagement hole 25 of 22 from above, the hook piece 27 at the upper end of the locking fitting 23 is mounted on the inclined surface 24 of the upper end cap 21, and the hook piece 27 is screwed to the inclined surface 24. .

  Further, when the upper cabinet 9 is provided, the upper cabinet 9 is provided between the upper ends of the pair of columns 8 and 8 raised upward from the duct opening 11 formed between the L-shaped top plate 1 and the curtain plate 6. The cabinet 9 is attached. Here, the upper cabinet 9 is located between the corner leg 5 and the intermediate leg 4 in the upper part of the rear part of the L-shaped top plate 1 or between the end leg 3 and the intermediate leg 4. It is also possible to provide it above the rear part of the rectangular top plate 2.

  Next, the overall shape of the desk will be described. The L-shaped top plate 1 is substantially L-shaped in plan view, and there are corners with angles of 90 °, 120 °, and 135 °, and the corner inside corner on the seating side is smoothly curved. In this embodiment, the angle is 90 °. The rectangular top plate 2 is rectangular in plan view, but if the depth width of both side edges matches the depth width of the other top plates, the depth width is changed at the left and right side edges and the front edge is smoothed. It may be a shape connected by a simple curve.

  As shown in FIGS. 4 to 6, the end leg body 3 and the intermediate leg body 4 have substantially the same structure, and include a flat rectangular tube-like leg plate portion 28 extending in the vertical direction and an upper end of the leg plate portion 28. The upper support member 29 is attached to the lower end of the leg plate portion 28, the lower support member 30 is attached to the lower end of the leg plate portion 28, and the decorative member 31 is attached to the front end surface of the leg plate portion 28. The only difference between the end leg 3 and the intermediate leg 4 is the position where the concave groove of the vertical duct 32 provided in the leg plate portion 28 is formed. In the end leg 3, the vertical duct 32 is provided on the inner surface, In the intermediate leg 4, vertical ducts 32, 32 are provided on both side surfaces. A duct cover 33 is detachably attached to the vertical duct 32. Here, the leg plate portion 28 is manufactured by sheet metal processing, the upper support member 29 and the lower support member 30 are manufactured by aluminum die casting, and the decorative member 31 is manufactured by aluminum extrusion molding.

  Details of each part will be described. First, the L-shaped top plate 1 and the rectangular top plate 2 are wood-based plates, and a bottom nut is embedded in the lower surface in order to provide the screw holes 20,. .. Are also formed. However, the structure of the top board is not limited at all.

  Next, the end leg 3 and the intermediate leg 4 will be described. As described above, the difference between the end leg 3 and the intermediate leg 4 is only the shape of the leg plate portion 28. As shown in FIG. 4, the leg plate portion 28 has a substantially U-shaped body plate 35 that is open frontward, a front reinforcing member 36 that has a substantially U-shaped cross section interposed between the front edge portions of the body plate 35, and An upper reinforcing member 37 and a lower reinforcing member 38 having a substantially U-shaped cross section are provided at the upper and lower ends of the body plate 35. The front reinforcing member 36 is spot welded between the front edge portions of the body plate 35, and the upper reinforcing member 37 and the lower reinforcing member 38 are spot welded to the upper and lower ends of the body plate 35, so that the box-shaped leg plate A portion 28 is formed. Here, the upper reinforcing member 37 and the lower reinforcing member 38 are the same member, and are further symmetrical, and can receive the fixing portions of the upper supporting member 29 and the lower supporting member 30, respectively, and can be bolted. Yes.

  Further, as shown in FIGS. 4 to 6, the upper support member 29 is located at the rear side of the upper end of the end leg 3 and the intermediate leg 4 where the T-shaped bracket 12 or the cross-shaped bracket 13 is attached. A concave portion 39 opened upward is formed, and a cutout portion 40 opened laterally is formed in communication with the concave portion 39. Here, in the end leg 3, the notch 40 is formed on the side wall located on the inner side, and in the intermediate leg 4, the notch 40, 40 is formed on both side walls located on both sides. Further, as shown in FIG. 4, the decorative member 31 is attached so as to conceal the front reinforcing member 36 of the body plate 35.

  As shown in FIGS. 7 to 9, the corner leg body 5 has a cylindrical structure manufactured by sheet metal processing, and the decorative member 31 is provided on the front end surface, and the rear end is 45 on the left and right in a plan view. Inclined rear plates 41, 41 are provided in an orthogonal state.

  As shown in FIGS. 4, 12, and 13, a pair of upper and lower locking tools 43, 43 are provided on the upper portions of the rear plate 42 of the end leg 3 and the intermediate leg 4, respectively. Are arranged in two rows, with a total of four fasteners 43,. The locking member 43 constitutes an upward hook in a state where it is attached to the rear plate 42. In addition, a pair of locking tools 43, 43 are also provided on the top of each inclined rear surface plate 41 of the corner leg body 5 so as to project vertically. And on the front side of the curtain plate 6, four locking holes 44,... Are opened at positions corresponding to the locking tools 43,. .. Are fitted and locked from above to the locking members 43 of the rear plate 42 of the end leg 3 and the intermediate leg 4 corresponding to the locking holes 44 of the curtain plate 6. Then, the presser fitting 45 is attached to the rear end portion of the upper support member 29 with a screw, and at the same time, downward claws 46 and 46 formed on both sides of the rear end portion of the presser fitting 45 are attached to the upper end cap 21 of the curtain plate 6. Is engaged with the two left and right engaging step portions 47, 47 formed at the upper end of the steel plate of the portion to which the bracket is attached, and the upward movement of the curtain plate 6 is restricted. Is prevented from coming off.

  Here, when the curtain plate 6 is connected to the end leg 3, the four locking holes 44,... Of the curtain plate 6 are fitted and locked to the four locking tools 43,. On the other hand, in order to connect the curtain plates 6 and 6 to the intermediate leg 4, as shown in FIG. 13, the upper and lower latches 43 and 43 in the left row of the intermediate leg 4 are viewed from the front. The engaging holes 44 and 44 in the outer row of the left curtain plate 6 are fitted and locked to the upper and lower latches 43 and 43 in the right row of the intermediate leg 4, and the outer side of the right curtain plate 6. The locking holes 44 of the row are engaged and locked. That is, the side edge of the curtain plate 6 coincides with the center line of the intermediate leg 4. In this case, the downward claw 46 on the left side of the presser fitting 45 is engaged with the engaging step 47 on the outside of the left curtain plate 6, and the downward claw 46 on the right side is engaged on the outside of the right curtain plate 6. Engage with the stepped portion 47. That is, the curtain plates 6 and 6 on both sides are pressed down simultaneously with a single presser fitting 45.

  Similarly, the upper and lower locking members 43, 43 of the curtain plate 6 are fitted and locked to the locking tools 43, 43 protruding from the inclined rear surface plate 41 of the corner leg 5. Pressing means for restricting the upward movement of the curtain plate 6 fitted and locked to the corner leg 5 is also provided as appropriate. Further, as shown in FIG. 9, a rectangular decorative column 48 is disposed between the end portions of both curtain plates 6, 6 attached to both inclined rear plates 41, 41 of the corner leg 5.

  Next, based on FIGS. 5 to 11, between the end leg 3 and the corner leg 5, between the corner leg 5 and the intermediate leg 4, and between the end leg 3 and the intermediate leg. A structure for connecting the beams 10 to the body 4 will be described. As shown in FIGS. 4, 5, and 10, the T-shaped bracket 12 is an aluminum die-cast block body having a substantially T shape in plan view, and has an upper support member 29 on the end leg 3 at one end. And a connecting portion 50 extending laterally from the mounting portion 49. The mounting portion 49 is fitted into the recessed portion 39 of the upper support member 29 and screwed with bolts 51 and 51 from above, and the base portion of the connecting portion 50 is passed through the notch portion 40 of the upper support member 29. It projects inward of the end leg 3. On the other hand, the beam 10 is a steel square pipe of a size that fits outside the connecting portion 50 of the T-shaped bracket 12. Then, after one end of the beam 10 is externally fitted to the connecting portion 50 of the T-shaped metal fitting 12, a screw 52 is screwed into the connecting portion 50 from above. Then, a screw 19 is passed through the connecting portion 50 of the T-shaped bracket 12 and the end of the beam 10 from below, and is screwed into the screw hole 20 of the L-shaped top plate 1.

  In order to connect the beams 10 and 10 to both sides of the intermediate leg 4, the cross-shaped bracket 13 is used as shown in FIGS. The cross-shaped bracket 13 is an aluminum die-cast block body having a substantially cross shape in plan view, and has a mounting portion 53 that is attached to the upper support member 29 of the end leg 3 at the center, and both sides from the mounting portion 53. It consists of the connection parts 54 and 54 extended toward the direction. Here, the mounting portion 53 has substantially the same shape as the mounting portion 49 of the T-shaped bracket 12, and the connecting portion 54 has substantially the same shape as the connecting portion 50 of the T-shaped bracket 12. That is, the mounting portion 53 is fitted into the recessed portion 39 of the upper support member 29 and is screwed with the bolts 51 and 51 from above. And the base part of the said connection parts 54 and 54 protrudes to the both sides of the said end leg 3 through the notch parts 40 and 40 of the said upper support member 29. FIG. Then, after fitting one end portions of the beams 10 and 10 into the connecting portions 54 and 54 of the cross-shaped metal fitting 13 respectively, the screw 52 is screwed into the connecting portion 54 from above. Then, screws 19 and 19 are passed through the connecting portions 54 and 54 of the cross-shaped bracket 13 and the ends of the beams 10 and 10 from below to form the lower surfaces of the L-shaped top plate 1 and the rectangular top plate 2. Screwed into the screw hole 20. In this case, the center line of the intermediate leg 4 coincides with the joining line of the L-shaped top plate 1 and the rectangular top plate 2. The same applies to the connection between the rectangular top plates 2 and 2.

  Further, as shown in FIGS. 7 to 9, the receiving metal fitting 14 fixed to the front part of the upper end of the corner leg 5 is a block body made of aluminum die cast, and is fixed to be attached to the upper end of the corner leg 5. Part 55, a two-way connecting part 56 that extends forward from the fixing part 55 and connects the connecting metal parts 15 and 15 so that the angle can be adjusted, and wing parts 57 and 57 that extend on both sides of the fixing part 55. is doing. The fixing portion 55 is fixed to the upper end of the corner leg 5 with bolts 58. The outer periphery of the two-way connecting portion 56 has an arc shape, and a plurality of continuous holes 59 and 59 in which three holes are continuous along the outer periphery of the arc shape are formed to penetrate vertically. Here, there are three pairs of inner multiple holes 59, 59 from the inner holes close to the outer holes spaced apart from each other, and the connecting metal fittings at angles of 90 °, 120 °, and 135 ° in order from the inner side to the outer side, respectively. 15 and 15 can be connected by a bolt 60. The connection fitting 15 is a block body made of aluminum die cast, and includes a base portion 61 connected to the two-way connection portion 56 of the receiving fitting 14 and a connection portion 62 extending from the base portion 61. The connecting portion 62 of the connecting bracket 15 is connected to the end of the beam 10 connected to the T-shaped bracket 12 attached to the end leg 3 or the cross-shaped fitting 13 attached to the intermediate leg 4. The ends of the connected beams 10 are externally fitted, and both are screwed. Further, a cylindrical portion 63 for projecting upward and attaching the L-shaped top plate 1 is protruded from the tip end of the wing portion 57 of the receiving metal fitting 14, and the central hole of the cylindrical portion 63 penetrates vertically. .

  Further, as shown in FIG. 5, a concave step portion 64 is formed in the front portion of the upper support member 29 of the end leg 3, and one end portion of the short connecting plate 16 is fitted into the concave step portion 64. And fix with screws. On the other hand, as shown in FIG. 6, the central portion of the long connecting plate 17 is fitted to the concave step portion 64 of the upper support member 29 of the intermediate leg 4, and the central portion is screwed and attached. . Then, the projecting ends of the short connecting plate 16 and the long connecting plate 17 are screwed into the screw holes 20,... Of the L-shaped top plate 1 and the rectangular top plate 2 from below through the screws 19,. Note that a connecting hole 65 penetrating vertically is formed at the front end of the upper support member 29, and the end leg 3 is inserted with a fixing screw 66 from below so that the L-shaped top plate 1 or the rectangular top Screwed into the screw hole 20 on the front side of the plate 2.

  Thus, it is necessary to screw the screws 19,... And the fixing screws 66 at a plurality of locations from below to align the positions of the screws 19, etc. of the L-shaped top plate 1 and the rectangular top plate 2. In order to facilitate this positioning, dowels 67,... Project from the upper surfaces of the T-shaped bracket 12, the cross-shaped bracket 13, the receiving bracket 14, the short connecting plate 16, and the long connecting plate 17, and the L-shaped top plate. 1 and the engagement holes 34,... Formed in advance at predetermined positions on the lower surface of the rectangular top plate 2 are engaged.

  Although the basic configuration of the desk is thus completed, in order to attach the blind panel 7 behind the curtain plate 6, the receiving pieces 22 and 22 are provided at the lower ends of both sides of the curtain plate 6 as shown in FIGS. The brackets 23 and 23 are mounted on both sides of the front surface of the blindfold panel 7, and the projecting piece 26 at the lower end of the latch bracket 23 faces the rear end of the lower end of the curtain plate 6. At the same time, the hook pieces 27 at the upper end of the locking metal fitting 23 are mounted on the inclined surfaces 24 of the upper end cap 21 attached to the upper ends on both sides of the curtain plate 6. A fixing screw inserted from above into the through hole formed in the above is screwed into the screw hole formed in the inclined surface 24 and attached. Here, since the hook piece 27 of the locking fitting 23 is mounted on the inclined surface 24 of the upper end cap 21, it acts so as to approach the back surface of the curtain plate 6 due to its own weight of the blindfold panel 7. Even if the hand is removed from the blindfold panel 7 before the screw is screwed into the screw hole, the state is maintained. Further, in order to finely adjust the height of the blindfold panel 7, an appropriate number of sheets or plates may be sandwiched between the inclined surface 24 of the upper end cap 21 and the hook piece 27 of the locking fitting 23.

  Further, as shown in FIGS. 12 and 13, the upper end cap 21 at the upper end on both sides of the curtain plate 6, the upper end portion of the locking fitting 23, the presser fitting 45, and the rear of the upper support member 29 are also provided. A cosmetic cap 68 for concealing the end portion is fitted.

  Next, the structure of the upper cabinet 9 according to the present invention and the support structure thereof will be described in detail with reference to FIGS. 1, 9, and 14 to 26. The upper cabinet 9 is erected through a duct opening 11 formed between the rear edge of the L-shaped top plate 1 and the curtain plate 6, and the end leg body on the lower surface side of the L-shaped top plate 1. 3 and the beam 10 are used to support the end support column 8 fixed by the end fixing bracket 69, and the corner support column 8 is fixed to the corner fixing bracket 70 using the corner leg 5. It is attached in a state of being placed on the support plate 71 that is passed to the upper end. Here, in principle, it is possible to mount the upper plate 9, 9 in the horizontal direction as shown in FIG. 1 on the support plate 71, or to mount three or more. It is.

  First, based on FIG.14 and FIG.15, the edge part fixing metal fitting 69 for fixing the lower end of the said support | pillar 8 and hold | maintaining in a standing state is demonstrated. The end fixing bracket 69 is formed with an opening 73 at a rear end portion of a fixing plate 72 having a substantially square shape in plan view, and the lower end portion of the support column 8 is fitted into the opening 73. The bottom end of the column 8 is abutted against the bottom plate 75 in the groove of the substantially U-shaped reinforcing member 74 welded to the lower surface, and a screw 77 is screwed onto the bottom piece 76 of the column 8 from below the bottom plate 75. The strut 8 is welded at the mouth edge of the opening 73 to be firmly connected. Further, the end fixing bracket 69 has a strong box structure by bending the four sides of the fixing plate 72 downward or welding other plate members, and has a lower edge bent downward on the front side. A first mounting portion 78 having a substantially L-shaped cross section is formed by bending forward, and a second mounting portion 79 extending downward from the first mounting portion 78 is formed by bending the left and right sides downward. is doing. Then, the beam 10 connecting the first mounting portion 78 to the end leg 3 is fitted so as to embrace from behind and below, and the horizontal piece 78A of the first mounting portion 78 is attached to the lower surface of the beam 10. Screws 80 and 80 are screwed together, and the second attachment portion 79 is attached to the inner surface of the leg plate portion 28 of the end leg 3 by screwing screws 81. The strut 8 is welded at the lower end to the rim of the opening 73 of the fixing plate 72 of the end fixing bracket 69, and the bottom plate of the reinforcing member 74 provided below the fixing plate 72 with a space therebetween. Since it is a two-point support structure in which the lower end is screwed to 75, the attachment structure is highly durable with respect to bending strength.

  Here, the first mounting portion 78 of the end fixing bracket 69 is attached to the beam 10, and is attached to the end leg body 3 of the second mounting portion 79. An edge 72A engages with a step portion 28A formed by the upper edge of the leg plate portion 28 of the end leg 3 and the upper support member 29, and the upper surface of the fixing plate 72 is the same as the upper surface of the beam 10. Are formed on the lower surface of the L-shaped top plate 1 so that the L-shaped top plate 1 can be placed and mounted thereon. If the screw holes 19 are connected to the screw holes 20,. Further, if the screw 80 that passes through the horizontal piece 78A of the first mounting portion 78 and is screwed to the end portion of the beam 10 is screwed to the connecting portion 50 of the T-shaped bracket 12, the strength is further increased. .

  In a state where the end fixing bracket 69 is attached at a predetermined position and then the L-shaped top plate 1 is mounted, the support column 8 whose lower end is fixed to the end fixing bracket 69 is the rear edge of the L-shaped top plate 1. It rises upward from a duct opening 11 formed between the curtain plate 6 and the curtain plate 6. In this case, the support column 8 and the end fixing bracket 69 are not connected to the curtain plate 6, so that the curtain plate 6 is simply connected to the rear plate 42 of the end leg 3 and the inclined rear plate of the corner leg 5. .. Is merely fitted and locked to the locking tools 43,... Provided on 41, and does not affect the support strength of the column 8. Note that the attaching work of the end fixing bracket 69 can be easily performed from the rear of the L-shaped top plate 1 with the curtain plate 6 removed even after the L-shaped top plate 1 is attached. Regardless of whether the support column 8 is erected or not, the L-shaped top plate 1 does not require any processing that affects the shape of the surface side.

  Next, based on FIG.9 and FIG.16, the said corner fixing metal fitting 70 for fixing the lower end of the said support | pillar 8 and hold | maintaining in a standing state is demonstrated. The corner fixing bracket 70 is formed with an opening 84 in the vicinity of one oblique side of a fixing plate 83 having a substantially right triangle shape in plan view, and the lower end portion of the support column 8 is fitted into the opening 84 and the fixing plate 83, the lower end of the column 8 is abutted against a plate-like reinforcing member 85 arranged at a distance on the lower surface of the 83, and a screw 77 is screwed onto the lower end piece 76 of the column 8 from below the reinforcing member 85. The strut 8 is welded and firmly connected at the lip of the opening 73.

  More specifically, it is a fixing plate 83 of the corner fixing metal fitting 70, and a bent plate 86 is formed downward along the opening 84, and is bent at the front edge portion perpendicular to the bent plate 86. A plate 87 is formed and reinforced, and a holding member 88 having a substantially U-shaped cross section is welded to the lower surface of the fixed plate 83, and a pair of hanging holding plates 89 and 89 of the holding member 88 is used to fix the corner leg 5. The upper end is embraced from both sides. The reinforcing member 85 is welded and fixed in a state in which a peripheral edge is joined to the bent plates 86 and 87 and one holding plate 89 and horizontally disposed.

  Then, the holding member 88 of the corner fixing metal fitting 70 is fitted on the upper end portion of the corner leg 5 and placed, and both holding plates 89 and 89 of the holding member 88 are placed on both side surfaces of the corner leg 5. Each is screwed with screws 90,. The fixing plate 83 is held horizontally on the upper surface of the rear part of the corner leg 5, but a part of the fixing plate 83 is joined to the upper surface of the wing parts 57, 57 of the receiving metal fitting 14 and formed on the fixing plate 83. The cylindrical portions 63 and 63 are fitted in the holes 91 and 91. In this way, the fixing plate 83 of the corner fixing metal fitting 70 is placed on the upper surface of the corner leg body 5 and the wings 57 and 57 of the receiving metal fitting 14, and both holding plates 89 and 89 are attached to the corner leg body 5. The screw is fixed to both side surfaces, and the circular holes 91 and 91 and the cylindrical portions 63 and 63 are fitted to each other so that the corner fixing bracket 70 is accurately positioned with respect to the corner leg 5 in a state where it is accurately positioned. It has been. Here, since the upper surface of the fixing plate 83 of the corner fixing bracket 70 and the upper surface of the beam 10 are set to be flush with each other, when the L-shaped top plate 1 is placed on the beam 10, the lower surface thereof is Bonded to the upper surface of the fixing plate 83. Then, the cylinders 63 and 63 of the metal fitting 14 are inserted from below and the screws 19 and 19 are screwed into the screw holes 20 and 20 formed on the lower surface of the L-shaped top plate 1. In this state, it is held upright through a duct opening 11 formed between the rear edge of the L-shaped top plate 1 and the curtain plate 6.

  The support structure of the corner fixing bracket 70 for the support column 8 is configured with the same technical idea as the end fixing bracket 69 described above. That is, the support 8 is connected to the fixing brackets 69 and 70 by inserting the lower end of the support 8 into the openings 73 and 84 formed in the fixing plates 72 and 83 and providing a space below the fixing plate. The lower ends of the reinforcing members 74 and 85 are abutted and screwed from below, and welded to the support column 8 at the mouth edges of the openings 73 and 84, that is, a vertical two-point support structure. The fixing brackets 69 and 70 are directly screwed to the legs 3 and 5 regardless of the curtain plate 6 on the lower surface side of the L-shaped top plate 1 and are tertiary using the beam 10 and the receiving bracket 14. It is originally fixed at multiple locations.

  In the present embodiment, the columns 8 and 8 are provided upright at both end portions of the rear edge of the L-shaped desk having the L-shaped top plate 1. When the support columns 8 and 8 are erected on the both sides of the rear edge of the flat desk to which 3 and 3 are attached, the right side end fixing bracket 69 attached to the right side end leg 3 and the mirror image are provided. What is necessary is just to attach the edge part metal fitting for left sides in a relationship similarly to the above.

  Here, the structure of the column 8 used in the present embodiment will be briefly described. As shown in FIGS. 9 and 14 to 16, the column 8 has a main rod body 92 having a substantially U-shaped cross section with its concave groove directed to the front side, and has a wider width from the front side of the main rod body 92. A decorative cover 93 having a substantially U-shaped cross section is put on and fixed to each other by spot welding or the like to form a tubular structure as a whole. In addition, vertically long locking holes 94 are formed on both side surfaces of the main casing 92 along the rear edge of the decorative cover 93 in the vertical direction at integral intervals. The locking holes 94 of the support column 8 are used for locking a bracket for supporting an option such as a shelf board or a pin-up board between the support columns 8 and 8 while standing on both sides.

  Next, as shown in FIGS. 17 to 26, the upper cabinet 9 according to the present invention is provided with an opening / closing door 101 on the front surface of a box-shaped main body 100 that is open on the front surface so that it can be opened and closed vertically. A pulling member 102 is provided along the lower portion, and link mechanism portions 104, 104 covered with side covers 103, 103 are provided on both sides of the main body portion 100, and the opening / closing door 101 is connected via the link mechanism portion 104. The pulling member 102 is interlocked, and when the pulling member 102 is pulled down, the opening / closing door 101 is rotated upward to open the front surface of the main body 100. Further, the bulging portions 105 and 105 protruding rearward are set to the left and right at the upper portion of the back surface of the door 101 and higher than the rotation center of the door 101 by the link mechanism 104. Provided.

  Then, as shown in FIGS. 17, 18 and 21, both ends of the support plate 71 are placed on brackets 106 and 106 facing in the front-rear direction fixed to the upper ends of the columns 8 and 8, and screwed from below. 107 and 107 are respectively attached to the bottom plate 108 of the main body portion 100, and a lower open concave step portion 109 is formed on both the left and right sides. The concave step portion 109 is fitted to the support plate 71 from above. And the side cover 103 is closed at the lower end of the side cover 103 located at the end, and the side edge of the support plate 71 is stopped. The face plate 108 is fastened to the support plate 71 from the inside of the main body 100 with screws 110,.

  As described above, in a state where the concave step portion 109 of the bottom plate 108 of the main body portion 100 is fitted to the support plate 71, the front and rear projecting edge portions 111 and 111 that form the concave step portion 109 are the support plate. Since the main body 100 is positioned in the front-rear direction, the side end of the support plate 71 is attached to the lower end of the side cover 103 attached to the side end of the main body 100. Since it is stopped, the lateral positioning of the main body portion 100 is ensured, and the subsequent fastening operation with the screw 110 is facilitated.

  More specifically, the support plate 71 has edge plates 112, 112 raised at the front and rear edges, and the upper end of the edge plate 112 is bent inward into a substantially L-shaped end surface to form the mounting edge 113 respectively. The hat-shaped middle reinforcement 114 formed in the longitudinal direction is also fixed to the front and rear central portions, and the middle reinforcement 114 is provided with a mounting table 115 that is flush with the mounting edge 113 described above. Further, a front reinforcing member 116 and a rear reinforcing member 117 are fixed between the edge plate 112 and the middle reinforcing member 114, and nuts 118 for screwing the screws 107 are fixed to portions fixed to the bottom plate portion, respectively. A nut 120 for screwing the screw 110 is also fixed to the lower surface of the mounting surface 119 that is lifted from the portion. On the other hand, in the concave step portion 109 of the bottom plate 108 of the main body portion 100, there are flat surfaces for placing the front and rear placement edges 113, 113 and the central placement table 115 of the support plate 71, and the nut 120. , 120 burring holes 121, 121 recessed downward are formed. Here, when the concave step portion 109 is placed on the support plate 71, the protruding end of the burring hole 121 is set to abut against the mounting surface 119.

  Further, details of the upper cabinet 9 will be described with reference to FIGS. The main body 100 is erected on the bottom plate 108, side plates 122, 122 that are fixed to the both side edges of the bottom plate 108 in an upright state, and the rear edge of the bottom plate 108, and both side portions are The side plates 122, 122 include a rear plate 123 fixed to the rear and upper edges of the side plates 122, and an upper plate 124 continuous with the rear plate 123. A front edge of the upper surface plate 124 is an inclined surface 125 inclined forward and downward.

  The open / close door 101 has a hollow panel structure including a surface plate 126 having an inverted L shape in side view and a back plate 127 attached to the back surface of the surface plate 126. And the bulging part 105,105 which pressed the board | plate material and protruded back is formed in the upper part of the said back surface board 127. As shown in FIG. Here, the vertical cross-sectional shape of the bulging portion 105 is a substantially semicircular shape. In addition, a latch-type locking device 128 described later is built in the lower end portion of the left and right center portion of the opening / closing door 101.

  As shown in FIGS. 17 and 18, the pulling member 102 is formed of an aluminum extrusion mold material, and has a finger hook portion 129 that is recessed in the front surface portion, and the upper edge portion is a step on the rear surface side of the lower edge of the opening / closing door 101. An engaging convex portion 131 that engages with the portion 130 is formed. Here, a notch 132 is formed in the left and right central portion of the engaging convex portion 131.

  Next, the link mechanism unit 104 that interlocks the opening / closing door 101 and the pulling member 102 will be briefly described. The link mechanism 104 includes a door link member 133 that is attached to the opening / closing door 101 and rotated up and down, a pulling link member 134 that is attached to the pulling member 102 and rotated up and down, and a connecting member 135 that interlocks both link members. And a tension coil spring 136 for maintaining a weight balance with the opening / closing door 101. The door link member 133 is supported by a pivot 137 projecting from the center of the front and rear at the upper part of the side plate 122 so that the door link member 133 can be pivoted up and down. The door link member 133 extends forward from a pivot point by the pivot 137 and then downwards. A connecting piece 139 is provided in a substantially T-shape in a side view at the tip of a crank-like arm 138 that extends further forward, and the connecting piece 139 is attached along the side end of the door 101. Further, the pulling link member 134 supports a central portion so as to be vertically rotatable by a pivot 140 protruding from the lower front portion of the side plate 122, and from the pivot point by the pivot 140 to the front, the side view is substantially L. A distal end portion of the arm 141 extending in a letter shape is attached to a side end surface of the pulling member 102, and an operating piece 142 extends backward from a pivot point by the pivot shaft 140. An intermediate portion of the arm 138 of the door link member 133 and a rear end portion of the operating piece 142 of the pull link member 134 are pivotally attached to both ends of the connecting member 135, respectively. Further, the tension coil spring 136 is interposed between a portion of the door link member 133 extending rearward from a pivot point by the pivot shaft 137 and a corner portion of the rear lower end of the side plate 122.

  Then, when the door 101 shown in FIG. 21 is closed, if the finger hooking portion 129 of the pulling member 102 is put on and pulled down, the operating piece 142 of the pulling link member 134 rotates upward, and the link member 135 is moved. The door link member 133 is pushed upward through the pivot 137 so that the opening / closing door 101 is located above the main body 100 as shown in FIG. And the front surface of the main body 100 is opened.

  Here, in order to give a click feeling when the door 101 is in a closed state and an open state, as shown in FIGS. 20 to 21, the pull link member 134 is attached to a base 143 to which the pivot 140 is attached. The pivot plate 144 is slidable, and a spring plate 145 is pressed against the outside of the pivot plate 144, and two engagement recesses 146 provided at a position separated by a predetermined angle in the rotation direction of the pivot plate 144. , 146, the spring piece 147 provided on the spring plate 145 is engaged in a closed state and an open state.

  In addition, a stopper 148 protrudes from the central portion of the side plate 122 so that the elbow portion of the arm 138 of the door link member 133 is abutted when the door 101 is closed, and the pulling link member is opened. The operating piece 142 of 134 is stopped.

  As described above, the link mechanism portion 104 is provided outside the both side plates 122, 122, but these are concealed by the side cover 103 attached to the outside of the side plate 122. Further, the upper and lower edges of the side plate 122 have a lower piece 149 and an upper piece 150 that are bent at right angles to the outside, on the lower edge of the inner side surface of the side cover 103, The downward claw pieces 152 and 152 dropped from above into the formed slit holes 151 and 151 are formed, and the locking pieces 153 to be locked to the upper surface of the side edge of the upper surface plate 124 are formed on the upper edge of the side cover 103, A screw 154 is screwed onto the upper piece 150 through the locking piece 153 and the upper plate 124 from above.

  Books and other articles are accommodated in the upper cabinet 9 described above, but usually a locking device 128 described later is used in an unlocked state. In this case, the open / close door 101 is kept closed by its weight. However, when an earthquake occurs unexpectedly and an article accommodated therein moves forward, if it hits the lower part of the door 101, a force acts in the direction of pushing up the door 101. Therefore, in this embodiment, as shown in FIG. 21, the pivot center 137 of the door link member 133 is pivoted as shown in FIG. The top of the bulging portion 105 is set at a position higher than the horizontal line connecting the centers of the two by a height H. That is, when the article housed inside moves forward, it hits the top of the bulging portion 105 first, so that the impact force acts in the closing direction of the door 101, so that the door 101 opens unexpectedly. Thus, the contained articles do not fall on the top board.

  Next, based on FIGS. 21-25, the locking device 128 for engaging with the handle member 102 by a latch in the closed state of the door 101 will be described. The locking device 128 attached in the space between the front surface plate 126 and the rear surface plate 127 of the door 101 is linked to the cylinder lock 156 fixed in the holding case 155 and the locking and unlocking operations of the cylinder lock 156. And a latch mechanism 157 that engages and disengages. The cylinder lock 156 incorporates an operation piece 158 having an inverted T-shape in front view that constitutes a latch mechanism 157, and the operation piece 158 moves down during the locking operation and moves up during the unlocking operation. . The latch mechanism 157 rotatably attaches the latch pieces 159 and 159 to both sides of the lower end portion of the holding case 155, and the inner end portion of the latch pieces 159 and 159 is attached to the lower end portion of the operation piece 158. The latch pieces 159 and 159 are projected and retracted from openings 160 and 160 formed on the walls on both sides of the lower end of the holding case 155, respectively, linked to both sides. The lower end portion of the holding case 155 protrudes downward from the stepped portion 130 at the lower end of the back plate 127, enters the notch 132 of the pulling member 102 when the door 101 is closed, and the latch piece 159 when locked. , 159 protrudes and is locked inside the engaging protrusion 131.

  Finally, in order to mount and support the two upper cabinets 9 and 9 on the support plate 71, a structure for connecting the upper cabinets 9 and 9 to each other will be briefly described with reference to FIG. . The side covers 103 are attached to the left and right ends, but the side cover 103A provided at the intermediate portion has a notch 161 for receiving the support plate 71 at the lower edge. The structure for attaching the side cover 103A to the side plate 122 is the same as described above. Then, the two upper cabinets 9, 9 are placed on the support plate 71, and connected to the support plate 71 with screws 110,... As described above, one of the upper cabinets 9 joined at the center. The side plate 122, the side cover 103A, the side plate 122 of the other upper cabinet 9, and the burring holes 162, 162 and the through holes 163, 163 formed in the upper front and rear portions of the side cover 103A are provided with male screws 164 and female screws 165. It is concluded. The structure in which three or more upper cabinets 9 are attached to the support plate 71 is the same. In this case, if the span of the support portion by the support column 71 of the support plate 71 becomes too long, the support plate 71 is bent.

It is a whole perspective view which shows the typical structural example of the assembly-type desk which concerns on this invention. It is the side view similarly seen from the edge part leg side. It is a longitudinal cross-sectional view similarly. It is a disassembled perspective view which shows the relationship between the structure of an end leg body, and a top plate. It is a disassembled perspective view which shows the assembly structure of an edge part leg body and a top plate. It is a disassembled perspective view which shows the assembly structure of an intermediate part leg and a top plate. It is a side view of a corner leg in the state where a receiving metal fitting and a connecting metal fitting are attached. It is a top view of a corner leg similarly. It is a fragmentary top view which shows the structure of the corner part of an L-shaped desk. It is an abbreviated plan view showing the relationship between the end leg, the L-shaped bracket and the beam at the end of the L-shaped desk or flat desk. It is an abbreviated top view which shows the relationship between the intermediate | middle part leg, a cross-shaped metal fitting, and a beam in the desk structure which arranges an L-shaped desk and a flat desk continuously. It is a disassembled sectional view which shows the structure which attaches a curtain board and a blindfold panel to the rear-end part of a leg. It is a fragmentary perspective view which shows the structure which attaches a curtain to an intermediate part leg. It is a partial exploded perspective view which shows the structure which erects a support | pillar by an edge part fixing metal fitting. It is a fragmentary sectional view which similarly shows the structure which erects a support | pillar by an edge part fixing metal fitting. It is a partial exploded perspective view which shows the structure which erects a support | pillar by a corner fixing bracket. It is a disassembled perspective view which shows the structure of a top cabinet, and the support structure by a support | pillar. It is a partial exploded sectional view showing the structure where an upper cabinet is attached to a support plate connected to the upper end of a support. It is a disassembled perspective view which shows the link mechanism part which opens and closes an opening / closing door by optimizing a handle member. The mechanism for giving the click feeling provided in the pivoting part of a pulling member is shown, (a) is a perspective view to buy and (b) is a fragmentary sectional view. It is sectional drawing which shows the closed state of an open / close door in the state which mounted | wore the support plate connected with the upper end of the support | pillar with the upper cabinet. It is sectional drawing which similarly shows the open state of an opening-and-closing door. It is a simplified front view of an upper cabinet. The locking device is shown, (a) is a front view in a locked state, and (b) is a front view in an unlocked state. It is XX sectional drawing of Fig.24 (a). It is a partial exploded perspective view which shows the structure which connects upper cabinets.

DESCRIPTION OF SYMBOLS 1 L-shaped top plate 2 Rectangular top plate 3 End leg body 4 Intermediate leg body 5 Corner leg body 6 Curtain board 7 Blindfold panel 8 Column 9 Upper cabinet 10 Beam 11 Duct opening 12 L-shaped metal fitting 13 Cross-shaped metal fitting 14 Receiving metal fitting DESCRIPTION OF SYMBOLS 15 Connection metal fitting 16 Short connection board 17 Long connection board 18 Fixing board 19 Screw 20 Screw hole 21 Upper end cap 22 Receiving piece 23 Locking metal fitting 24 Inclined surface 25 Engagement hole 26 Projection piece 27 Hook piece 28 Leg plate part 29 Upper support member 30 Lower support member 31 Decorative member 32 Vertical duct 33 Duct cover 34 Engagement hole 35 Body plate 36 Front reinforcing member 37 Upper reinforcing member 38 Lower reinforcing member 39 Recessed portion 40 Notched portion 41 Inclined rear surface plate 42 Rear surface plate 43 Locking tool 44 Engagement Stop hole 45 Presser fitting 46 Downward claw 47 Engagement step portion 48 Cosmetic support 49 Attachment portion 50 Connection portion 51 Bolt 52 Screw 53 Attachment portion 54 Connection portion 55 Fixing part 56 Two-way connection part 57 Wing part 58 Bolt 59 Multiple connection hole 60 Bolt 61 Base part 62 Connection part 63 Cylindrical part 64 Concave step part 65 Connection hole 66 Fixing screw 67 Dowel 68 Cosmetic cap 69 End fixing metal fitting 70 Corner fixing metal fitting 71 Support plate 72 Fixing plate 73 Opening portion 74 Reinforcing member 75 Bottom plate 76 Lower end piece 77 Screw 78 First mounting portion 78A Horizontal piece 79 Second mounting portion 80 Screw 81 Screw 82 Mounting hole 83 Fixing plate 84 Opening portion 85 Reinforcing member 86 Folding Curved plate 87 Bent plate 88 Holding member 89 Holding plate 90 Screw 91 Circular hole 92 Main frame 93 Cosmetic cover 94 Locking hole 100 Main body part 101 Opening / closing door 102 Pulling member 103, 103A Side cover 104 Link mechanism part 105 Swelling part 106 Bracket 107 Screw 108 Bottom plate 109 Concave step portion 110 Screw 111 Projection edge portion 112 Edge plate 1 3 mounting edge 114 middle reinforcement 115 mounting base 116 front reinforcement 117 rear reinforcement 118 nut 119 mounting surface 120 nut 121 burring hole 122 side plate 123 back plate 124 top plate 125 inclined surface 126 surface plate 127 back plate 128 locking device 129 finger hook 130 Step part 131 Engaging convex part 132 Notch 133 Door link member 134 Pull handle link member 135 Link member 135 Connection member 137 Axis 138 Arm 139 Connection piece 140 Axis 141 Arm 142 Actuation piece 143 Base 144 Pivoting plate 145 Spring plate 146 Engagement Concave portion 147 Bullet piece 148 Stopper 149 Lower piece 150 Upper piece 151 Slit hole 152 Claw piece 153 Locking piece 154 Screw 155 Holding case 156 Cylinder lock 157 Latch mechanism 158 Operation piece 159 Latch piece 160 Opening 161 Out portions 162 burring hole 163 hole 164 male thread 165 female screw

Claims (3)

A duct opening is formed between the rear edge of the top plate and the curtain plate provided between the legs, and a fixing bracket fixed to the lower end of the support is attached to at least the legs under the top, and the support In the assembling-type desk which is held upright on the top plate through the duct opening, the corner fixing bracket for erecting the support column at the corner portion of the L-shaped top plate is fixed in a substantially right triangle shape in plan view. A holding member having a substantially U-shaped cross section is welded to the lower surface of the plate, and a pair of hanging holding plates of the holding member are fitted so as to embrace the upper ends of the corner legs from both sides. A column mounting device for an assembling desk, which is screwed to both sides of the leg . The lower end of the column is fitted into the opening formed in the fixing plate of the corner fixing bracket, and the lower end of the column is abutted against the reinforcing member provided at a distance below the fixing plate and screwed from below. 2. The column mounting device for an assembly desk according to claim 1, wherein the column is welded to the column at the lip of the opening. The column mounting device for an assembly-type desk according to claim 1 or 2 , wherein the top plate is placed on the fixed plate, and the fixed plate is screwed to the lower surface of the top plate.

Images