JP2017140418A - Furniture with flap top plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure in which a lock claw for selectively locking a top plate receiver in between use-posture and lifted-posture is used as a common part.SOLUTION: A furniture T with a flap top plate comprises: an axis plate 31 on to which a top plate support mechanism 3A supporting a top plate 2 arranged on a leg 1A so that it may make flap action between use-posture and lifted-posture (F) is attached to the leg 1A between 2 parallel virtual adjacent plane surfaces P1, P2 approximately orthogonal to a lower surface 21 of the top plate 2; and a lock claw 33 selectively locking a top plate receiver 32 which is axially supported on the axis plate 31 and receives the top plate 2 on its upper surface between use-posture and lifted-posture (F). An attachment surface 351 of the axis plate 31 which is approximately aligned with one virtual adjacent plane surface P1 is brought into contact from lateral direction to an inner surface 119 as a standing surface of the leg 1A. The axis plate 31 is fastened onto the leg 1A with a bolt 114 whose head part 114a is arranged between both virtual plane surfaces P1, P2.SELECTED DRAWING: Figure 8

Description

  The present invention relates to furniture with a flap top plate that is used in an office, a school, or the like, and that can perform a flap operation between a use posture and a flip-up posture.

  Conventionally, as furniture with a top plate used for a meeting in an office or the like, various furniture with a flap top plate capable of performing a flap operation between a use posture and a flip-up posture are known (for example, Patent Documents). 1). In the prior art, a shaft plate is fixed to the upper part of a leg, and a top plate support is rotatably supported by the shaft plate via a support shaft, and the top plate support is supported by the top plate support. The legs, the shaft plate, the top plate receiver, and the top plate are specially designed for each piece of furniture. Therefore, there are certain limits to providing many types of furniture at low cost.

Japanese Patent No. 4386777

  The present invention aims to overcome the above-mentioned limitations without difficulty, and includes at least a shaft plate, a top plate support supported by the shaft plate, and the top plate support in the use posture. And a lock claw for selectively locking to the flip-up posture provides an optimum structure for making a common part.

  In order to solve the above problems, the furniture with a flap top plate according to the present invention has a configuration as described below. That is, the furniture with a flap top plate according to the present invention can perform a flap operation between the leg, the top plate arranged on the leg, and the top plate from the use posture to the flip-up posture. An axis plate attached to the leg between two parallel virtual adjacent planes substantially orthogonal to the lower surface of the top board. A top plate support that is supported by the shaft plate and receives the top plate on the upper surface, and a lock claw for selectively locking the top plate support to the use posture and the flip-up posture The mounting surface of the shaft plate substantially matched with the one virtual adjacent plane is brought into contact with the standing surface of the leg from the side, and a head is used to fit between the virtual planes. The shaft plate is attached to the leg.

  If it is such, it can be made into a common component in a state where the shaft plate, the top plate receiver, the lock claw, and the head of the bolt are all housed between both virtual adjacent planes. Therefore, the outline of the structure in which these common parts are combined is simplified, and it is possible to combine with various legs and the like while reducing the labor required for examining the mutual interference with the legs and the like.

  As an example of a desirable configuration for housing the entire top plate support mechanism between the two parallel virtual adjacent planes, the shaft plate includes an attachment portion having the attachment surface, and an upward direction from the attachment portion. And a head portion for supporting the top plate support in a shaft, the top plate support being attached to a lower surface of the top plate, and extending from both side edges of the top plate. And a pair of side plates located on both sides of the part, and the outer surface of the one side plate is close to the inner side of the one virtual adjacent plane.

  As the preferred configuration for suppressing or preventing the occurrence of a problem that a finger is pinched between the head portion of the shaft plate and the lock claw when the top plate is moved from the flip-up posture toward the use posture, the shaft plate The head portion main body that receives the top plate that has reached the use posture by the upper end surface, and the first and second of the head portions that are provided on one side of the head portion main body and selectively engage with the lock claw The thing provided with the nail | claw receptacle with a latching | locking part is mentioned.

  In order to minimize the thickness dimension of the top plate support mechanism, the internal dimension between the two side plates of the top plate receiver is added to the thickness dimension of the head portion and a clearance dimension for allowing a flap operation is added. It is good to set to the value.

  In such a furniture with a flap top plate having a pair of left and right legs and a pair of left and right top plate support mechanisms, it is desirable to promote platformization by making the parts other than the legs and the top plate common parts As a configuration, a mechanical unit is configured by using the top plate support mechanism that is paired on the left and right sides, and a connecting beam that connects the shaft plates of the top plate support mechanism. The left and right ends of the top plate are supported by the top plate support, and the mounting surfaces formed on the outer side of the shaft plate in these two top plate support mechanisms are respectively formed on the standing surfaces formed on the inner side of the legs that make a pair on the left and right. What to attach is mentioned.

  According to the present invention, in order to provide many types of furniture at low cost, the shaft plate, the top plate support supported by the shaft plate, and the top plate support are selected as the use posture and the flip-up posture. Therefore, it is possible to provide an optimum structure for making the lock claw for locking the door in common.

The external view of the furniture with a flap top plate concerning one Embodiment of this invention. The left view of the furniture (use posture) with a flap top plate concerning the embodiment. The left view of the furniture (flip-up attitude | position) with a flap top plate concerning the embodiment. The front view of the furniture with a flap top plate concerning the same embodiment (springing up posture). XX sectional drawing of FIG. The disassembled perspective view of the furniture with a flap top plate concerning the embodiment. The disassembled perspective view which expands and shows the principal part of the furniture with a flap top plate concerning the embodiment. The figure which abbreviate | omits and shows Y part of FIG. The ZZ line expanded sectional view of FIG. Action explanatory drawing shown in the WW sectional view of FIG. Action explanatory drawing shown in the WW sectional view of FIG. Action | operation explanatory drawing shown in the center side cross section of the furniture with a flap top plate concerning the embodiment. Action | operation explanatory drawing shown in the center side cross section of the furniture with a flap top plate concerning the embodiment.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  In this embodiment, as shown in FIGS. 1 to 13, the present invention is applied to furniture T with a flap top plate called a so-called flap table.

As shown in FIGS. 1 to 13, the furniture T with a flap top plate includes legs 1 </ b> A and 1 </ b> B that form a pair of left and right, a top plate 2 disposed on the legs 1 </ b> A and 1 </ b> B, and the top plate 2. Left and right top plate support mechanisms 3A and 3B that support the legs 1A and 1B so as to be able to perform a flap operation between the use posture (U) and the flip-up posture (F), and support these top plates The coupling beam 4 for coupling the mechanisms 3A and 3B, the shelf 5 disposed below the use end x side of the top plate 2, and the lower side of the top plate 2 on the counter-use end y side. A curtain 6 is provided. Then, a mechanical unit 7 serving as the core of the platform is composed mainly of the left and right top plate support mechanisms 3A and 3B and the connecting beam 4 for coupling the top plate support mechanisms 3A and 3B. Hereafter, each said component is explained in full detail.

<Legs>
As shown in FIGS. 1 to 9, the left leg 1 </ b> A includes a support 11, a rear leg 12 extending from the lower end 11 a of the support 11 to the use end x side, and the rear leg 12. The front leg 13 is located on the inner side and extends from the lower end portion 11a of the support column 11 toward the counter-use end y, and the rear leg 12 and the caster 14 provided at the front end of the front leg 13 are provided.

  As shown in FIGS. 1 to 9, the support column 11 is made by cutting, for example, a steel prismatic pipe material into a required length, and a screw thread hole 112 into which a bolt 111 can be attached from below. And a shaft plate mounting block 117 having a horizontal screw hole 115 and a positioning hole 116 in which a bolt 114 can be mounted from the left and right directions are fixed by welding or the like. A cap 118 made of synthetic resin is put on the upper end of the column 11. The lateral screw hole 115 and the positioning hole 116 are respectively opened on the inner side surface 119 which is an upright surface of the column 11.

  As shown in FIGS. 1 to 6, the rear leg 12 has a fitting portion 121 fitted to the lower end of the support column 11 on the base end side, and penetrates the fitting portion 121 to form the support column. 11 is attached to the column 11 by a bolt 111 screwed into the heel screw hole 112 from below. The outer side surface 122 of the rear leg 12 and the outer side surface 110 of the support column 11 are substantially flush with each other, and the front leg 13 is provided to be displaced inward from the support column 11 and the rear leg 12. .

  As shown in FIGS. 1 to 6, the front leg 13 has a base end side outer surface 131 integrated with a base end side inner side surface 123 of the rear leg 12, and the front leg 13, the rear leg 12, Is, for example, made of die-cast integrally made of aluminum alloy. That is, the front leg 13 is attached to the lower end portion 11 a of the column 11 via the fitting portion 121 of the rear leg 12. Each intermediate portion of the rear leg 12 and the front leg 13 has a hollow body shape opened downward, and includes a reinforcing rib (not shown) inside.

  As shown in FIGS. 1, 4 to 6 and FIGS. 10 to 13, the right leg 1 </ b> B is symmetrical with the left leg 1 </ b> A described above, and is the same or corresponding part. Are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIGS. 4 and 5, the rear leg 12 of the left leg 1A and the rear leg 12 of the right leg 1B are inclined so that the distance gradually increases rearward. The front leg 13 of the left leg 1A and the front leg 13 of the right leg 1B are inclined so that the interval gradually decreases toward the front.

  Because of the above configuration, the left and right front legs 13 and 13 of the other furniture Q having the same structure are inserted between the rear legs 12 and 12 of the legs 1A and 1B with the top plate 2 flipped up. Thus, the other furniture Q with the flap top plate having the same structure can be stacked on the use end x side of the furniture T with the flap top plate.

<Top plate>
As shown in FIGS. 1 to 6 and FIGS. 8 to 13, the top plate 2 has a rectangular shape elongated in the left-right direction, and has the same configuration as, for example, a normal wooden top plate. Embedded nuts 22 for attaching the top plate receiver are provided at the left and right ends of the lower surface 21 of the top plate 2. A top plate deflection preventing member 8 is attached to the center in the left-right direction, and a fixed type link stay 91 that is a support member for the curtain plate 6 is attached to the non-use end y side of the lower surface 21 of the top plate 2. It has been.

  As shown in FIGS. 4, 6, 12, and 13, the top plate deflection preventing member 8 is for preventing the central portion of the top plate 2 from being bent downward. In U), an abutment surface 82 that abuts the connection beam 4 and an outer peripheral surface 41 of the connection beam 4 in an operation region that is continuous with the abutment surface 82 and extends from the flip-up posture (F) to the use posture (U). And a contact plate 81 having a facing surface 84 that is always close to the contact plate. That is, the top plate deflection preventing member 8 is provided with a mounting portion 83 between two abutting plates 81 having the same shape, and is integrally formed of synthetic resin or the like. Are fastened to the top plate 2 by screwing bolts 85 inserted into the embedded nuts 23 provided on the lower surface 21 of the top plate 2.

  As shown in FIGS. 1 to 6 and FIGS. 8 to 13, the fixed type link stay 91 has a base end portion 911 attached to the lower surface 21 of the top plate 2 using a bolt 912, and a distal end thereof. The part 913 is pivotally attached to a mounting base 63 of the curtain plate 6 described later.

<Top plate support mechanism>
As shown in FIGS. 1 to 11, the left top plate support mechanism 3 </ b> A is disposed on the leg 1 </ b> A between two parallel virtual adjacent planes P <b> 1 and P <b> 2 that are substantially orthogonal to the lower surface 21 of the top plate 2. A shaft plate 31 to be attached, a top plate receiver 32 that is supported by the shaft plate 31 and receives the top plate 2 on the upper surface, and the top plate receiver 32 in the use posture (U) and the flip-up posture (F). A lock claw 33 for selectively locking is arranged. That is, the top plate support mechanisms 3A and 3B include a shaft plate 31 attached to the legs 1A and 1B and having a head portion 36 in the upper half, and a top plate supported by the head portion 36 of the shaft plate 31. A receiver 32 and a lock claw 33 for locking the top plate disposed in the top plate receiver 32 are provided.

  As shown in FIGS. 1 and 4 to 11, the shaft plate 31 includes a mounting portion 35 having the mounting surface 351, and extends upward from the mounting portion 35 so that the top plate receiver 32 is interposed via a main shaft 37. And a head portion 36 that supports the shaft. The mounting portion 35 has a mounting surface 351 on the outer side, and the mounting surface 351 is matched with the one virtual adjacent plane P1. That is, the mounting surface 351 of the shaft plate 31 substantially matched with one virtual adjacent plane P1 located on the outside is brought into contact with the inner side surface 119 which is the standing surface of the leg 1A from the side, and the shaft The plate 31 is attached to the leg 1A.

  As shown in FIGS. 1 and 4 to 11, the mounting portion 35 corresponds to a plurality of first bolt insertion holes 352 corresponding to the horizontal screw holes 115 of the support column 11 and the axial center of the connecting beam 4. And a second bolt insertion hole 355. The first bolt insertion hole 352 is for inserting the bolt 114 from the inside to connect the shaft plate 31 and the leg 1A, and has a counterbore hole for accommodating the head portion 114a of the bolt 114 at the inner end. 354. The second bolt insertion hole 355 is for inserting the bolt 356 from the outside to connect the shaft plate 31 and one end of the connection beam 4, and accommodates the head portion 356 a of the bolt 356 at the outer end. A counterbore 357 is provided. Note that a positioning pin 38 that fits into the positioning hole 116 of the column 11 protrudes from the mounting surface 351 of the mounting portion 35.

As shown in FIGS. 7 to 11, the head portion 36 of the shaft plate 31 is a head portion main body 39 that receives the top plate 2 that has reached the use posture (U) by the upper end surface 391 via the top plate receiver 32. And a claw receiver 30 having first and second engaging portions 301 and 302 which are provided on one side of the head portion main body 39 and to which the lock claw 33 is selectively engaged. That is, the head portion 36 of the shaft plate 31 includes a head portion main body 39 that receives the top plate 2 that has reached the use posture (U) by an upper end surface 391 and the lock claw provided on one side of the head portion main body 39. The second locking unit 301 is engaged with the first locking portion 301 that locks the top plate 2 in the use posture (U) and the second locking member that is engaged with the lock claw 33 and locks the top plate 2 in the flip-up posture (F). And the edge 303 of the claw receiver 30 on the side facing the lock claw 33 is located behind the edge 392 of the head body 39. Arranged in a reserved position.

  As shown in FIGS. 7 to 11, the claw receiver 30 is formed integrally with the head portion main body 39 and is arranged outside the head portion main body 39. That is, the shaft plate 31 is made of aluminum die cast, and the head portion 36 including the head portion main body 39 and the claw receiver 30 and the mounting portion 35 are integrally formed.

  As shown in FIGS. 1 to 4 and 6 to 11, the top plate receiver 32 extends from the upper plate 321 attached to the lower surface 21 of the top plate 2 and both side edges of the upper plate 321. A pair of side plates 322 and 323 located on both sides of the head portion 36 are provided.

  As shown in FIGS. 7 to 11, the upper plate 321 is a flat plate that is in close contact with the lower surface 21 of the top plate 2, and is attached to the top plate 2 by a bolt 328 that is screwed onto the embedded nut 22. Yes.

  As shown in FIGS. 1 to 4 and FIGS. 6 to 11, the side plates 322 and 323 are extended from both side edges of the upper plate 321 and are located on both sides of the head portion 36. The outer side surface 324 of the first side is adjacent to the inner side of the one virtual adjacent plane P1 located on the outer side. The internal dimension s1 between the side plates 322 and 323 of the top plate receiver 32 is set to a value obtained by adding a clearance dimension s3 for allowing a flap operation to the thickness dimension s2 of the head portion 36. In addition, a gap is formed between the upper end portion 11 b of the support column 11 and the head portion main body 39 of the shaft plate 31 so as to accommodate one side plate 322 of the claw receiver 30 and the top plate receiver 32. The both side plates 322 and 323 are provided with a main shaft through hole 325 through which the main shaft 37 passes and a lock claw through hole 326 through which the drive shaft 333 supporting the lock claw 33 passes.

  As shown in FIGS. 7, 8, 10 and 11, the lock claw 33 is, for example, a sickle-like member having a bent portion 331 on the distal end side, and the drive shaft 333 is integrated with the base end portion 332. It is inserted in a rotatable manner. An outer end 334 of the drive shaft 333 protrudes outward from one side plate 332, and an unlocking operation lever 330 is attached to the outer end 334. The lock claw 33 is urged to rotate in the direction of the claw holder 30 of the shaft plate 31 by a torsion coil spring or the like (not shown). In the use posture (U), the bent portion 331 of the lock claw 33 is the claw holder. In the flip-up posture (F), the distal end of the bent portion 331 is engaged with the second locking portion 302 of the claw receptacle 30.

  The top plate support mechanism 3A includes a cover 34 provided on the top plate support 32 so as to conceal the lock claw 33 and the head portion 36.

As shown in FIGS. 1 to 4, 6, 7, and 10 to 11, the cover 34 includes a movable portion 341 for avoiding interference with the shaft plate 31 during the flap operation. In FIGS. 8 and 9, the cover 34 is not shown to show the internal mechanism. Specifically, the cover 34 is provided between the outer edges of the side plates 322 and 323 in the top plate receiver 32 and does not interfere with any member during the flap operation, and the cover main body 343 is hinged to the cover main body 343. And a movable part 341 hinged via 342.

  As shown in FIGS. 3, 7, and 10 to 11, the cover main body 343 is a band plate-like member that is capped between the end edges of the side plates 322 and 323, and the side plates are attached to both side edges. A mounting piece 344 that abuts against the inner side surfaces of 322 and 323 is provided. The mounting piece 344 includes a protrusion 345 on a surface that comes into contact with the side plates 322 and 323, and the protrusion 345 is inserted into an attachment hole 327 provided in the side plates 322 and 323 using temporary elastic deformation of a member. You can engage with them.

  As shown in FIGS. 1 to 4, 7, and 10 to 11, the movable portion 341 is a plate-shaped member having substantially the same width as the cover main body 343, and one end thereof is interposed through the hinge 342. The cover body 343 is rotatably supported. In the flip-up posture (F) shown in FIG. 11, the surplus region R1 that cannot be hidden by the cover body 343 is concealed, and the use posture (U) shown in FIG. It is configured to retreat from the surplus area R1.

  As shown in FIGS. 1, 4 to 6, 12, and 13, the right top plate support mechanism 3 </ b> B has a bilaterally symmetric shape with the left top plate support mechanism 3 </ b> A described above. Or, corresponding portions are denoted by the same reference numerals and description thereof is omitted.

<Linked beam>
As shown in FIGS. 1, 4 to 9, 12, and 13, the connecting beam 4 includes a beam body 42 formed by cutting a pipe material having a circular cross section into a predetermined length, and the inside of the beam body 42. And a fixed nut plate 43 rigidly connected to both ends of the fixed nut plate 43. A screw hole 44 into which the bolt 356 is screwed is formed at the center of the fixed nut plate 43. The mechanical unit 7 is configured by coupling the left and right top plate support mechanisms 3 </ b> A and 3 </ b> B with the connecting beam 4.

<Mechanical unit>
As shown in FIGS. 1 to 13, the mechanical unit 7 includes the top plate support mechanisms 3 </ b> A and 3 </ b> B that make a pair on the left and right sides, and the connecting beam that connects the shaft plates 31 and 31 of the top plate support mechanisms 3 </ b> A and 3 </ b> B. 4 and an operation interlocking beam 71 that connects the drive shafts 333 and 333 of the top plate support mechanisms 3A and 3B.

  The shaft plate 31 and the coupling beam 4 are coupled by a bolt inserted into the second bolt insertion hole 355 from the outer surface side of the shaft plate 31 with the end surface of the coupling beam 4 contacting the inner surface of the shaft plate 31. 356 is screwed into the screw hole 44 of the connecting beam 4 and tightened. In a state where the bolt 356 is fastened to the screw hole 44, the head portion 356 a of the bolt 356 is buried in the counterbore hole 357 of the shaft plate 31.

Further, the mounting surfaces 351 and 351 formed on the outer sides of the shaft plates 31 and 31 in the both top plate support mechanisms 3A and 3B are respectively attached to the standing surfaces formed on the inner sides of the legs 1A and 1B that make a pair on the left and right. ing. That is, the coupling between the legs 1A, 1B and the shaft plate 31 is the attachment formed on the mounting surface 35 of the shaft plate 31 on the inner side surface 119 which is an upright surface provided on the column 11 of the legs 1A, 1B. The surface 351 is abutted, and the bolt 114 inserted into the first bolt insertion hole 352 provided in the mounting portion 35 is screwed into the screw hole 44 of the column 11 and tightened. When the mounting surface 351 of the shaft plate 31 is brought into contact with the inner surface 119 which is the upright surface of the support column 11 of the legs 1A and 1B, the positioning pin 38 provided on the shaft plate 31 is provided on the support column 11. The shaft plate 31 and the column 11 are positioned by being fitted in the positioning hole 116 formed. As a result, the legs 1A and 1B are arranged outside the mechanical unit 7, respectively.

<Shelf>
As shown in FIGS. 1 to 4, 6, and 8 to 13, the shelf 5 includes side frames 51, 52 that form a pair of left and right sides, and a horizontal member 53 that is laid between the side frames 51, 52. It is equipped with. The side frames 51 and 52 respectively support the base end portions 511 and 521 rotatably on the connection beam 4, and the front end portions 512 and 522 through the free end type link stays 93. It is supported on the use end x side, specifically, the side plate 323 inside the top plate receiver 32, and has holding holes 513 and 523 for holding the end portion of the horizontal member 53 on the inner side surface thereof. . The base end portions 511 and 521 of the side frames 51 and 52 are each configured to be opened downward in the use posture (U), and are configured to be detachable from the connection beam 4 from above. Specifically, the base end portions 511 and 521 of the side frames 51 and 52 of the shelf 5 can be attached to and detached from the connection beam 4 from the radial direction using temporary elastic deformation of members. It is C-shaped.

<Screenboard>
As shown in FIGS. 1 to 6 and FIGS. 8 to 13, the curtain plate 6 includes a curtain plate main body 61 having a hollow plate shape, and an end cover 62 attached to the opening end of the curtain plate main body 61. And mounting bases 63 and 64 to which the link stays 91 and 92 are attached, which are attached to the curtain plate body 61 via bolts 69 and 60, respectively. Specifically, the curtain plate 6 has a first mounting base 63 at the upper edge vicinity portion 65 at both left and right end portions, and a second mounting base 64 at the lower edge vicinity portion 66 at both left and right end portions. A first link stay 91 fixed to the top plate 2 is pivotally attached to the first mounting base 63 and is pivotally attached to the legs 1A and 1B. The distal end 923 of the second link stay 92 is pivotally attached to the second mounting base 64.

  As described above, according to the present embodiment, the shaft plate 31, the top plate receiver 32, the lock claw 33, and the legs 1 </ b> A and 1 </ b> B are provided between the virtual adjacent planes P <b> 1 and P <b> 2. These can be made into a common part in a state in which all the heads 114a of the bolts to be attached are accommodated. Therefore, the outline of the structure combining these common parts is simplified, and it is possible to combine with various legs 1A, 1B, etc. while reducing the labor required for examining mutual interference with the legs 1A, 1B, etc. It becomes possible. In addition, since there is no part protruding outward from the mounting surface 351 of the shaft plate 31, the upper end portion 11b of the support column 11 at the upper end of the legs 1A and 1B reaches the side of the head portion 36 of the shaft plate 31. Can be adopted. Therefore, in combination with the fact that the shaft plate 31 is attached to the inner side surface 119 which is the standing surface of the legs 1A and 1B from the side, the legs 1A and 1B having various forms are supported on the top plate. It becomes possible to combine with the mechanisms 3A and 3B. Therefore, it is possible to easily make a platform, to manufacture many types of furniture with a top plate with a small number of parts, and to provide many types of furniture at low cost.

  The shaft plate 31 includes a mounting portion 35 having the mounting surface and a head portion 36 that extends upward from the mounting portion 35 and supports the top plate receiver 32. The plate receiver 32 includes an upper plate 321 attached to the lower surface 21 of the top plate 2, and side plates 322 and 323 that extend from both side edges of the upper plate 321 and make a pair located on both sides of the head portion. The outer side surface 324 of one side plate 322 located outside is close to the inside of the one virtual adjacent plane P1 located outside, so that the interval between the two parallel virtual adjacent planes P1, P2 The entire top plate support mechanisms 3A and 3B can be accommodated.

Further, the head portion 36 of the shaft plate 31 is provided on one side of the head portion main body 39 with the head portion main body 39 that receives the top plate 2 that has reached the use posture (U) by the upper end surface 391 and the lock claw. 33 is provided with a claw receiver 30 having first and second engaging portions 301 and 302 that are selectively engaged with each other, so that the top plate 2 is flipped up from a posture (F) to a use posture (U). The occurrence of a problem that a finger is pinched between the head portion 39 of the shaft plate 31 and the lock claw 33 during the movement can be suppressed or prevented.

  In addition, the internal dimension s1 between the side plates 322 and 323 of the top plate receiver 32 is set to a value obtained by adding the clearance dimension s3 for allowing the flap operation to the thickness dimension s2 of the head portion 36. Therefore, the thickness dimension of the head portion 36 of the top plate support mechanism 3 can be minimized while relatively rotating and moving between the top plate receiver 32 and the head portion 36.

  And the mechanical unit 7 is comprised using the top-plate support mechanism 3A, 3B which makes a pair on the right and left, and the connecting beam 4 that connects the shaft plates 31, 31 of these top-plate support mechanisms 3A, 3B. The left and right ends of the top plate 2 are supported by the top plate receivers 32, 32 of the top plate support mechanisms 3A, 3B in the mechanical unit 7, and outside the shaft plates 31, 31 in the both top plate support mechanisms 3A, 3B. Since the formed mounting surfaces 351 and 351 are respectively attached to the inner side surfaces 119 and 119 which are standing surfaces formed inside the legs 1A and 1B that make a pair on the left and right, the legs that make a pair on the left and right In such a furniture F with a flap top plate having 1A, 1B and a top plate support mechanism 3A, 3B paired to the left and right, the entire mechanical unit 7 is formed as a common component. It is possible to proceed.

  The present invention is not limited to the embodiment described above.

  For example, in the above-described embodiment, the shaft plate of the top plate support mechanism includes a mounting portion having a mounting surface and a head portion that extends upward from the mounting portion and supports the top plate support. Comprises an upper plate attached to the lower surface of the top plate and a pair of side plates extending from both side edges of the upper plate and positioned on both sides of the head portion, and the outer surface of the one side plate The top plate receiver is attached to the lower surface of the top plate, and extends from one side edge of the top plate and is outside the head portion. And a configuration in which the side surface on the inner side of the head portion is close to the inner side of one virtual adjacent plane.

  In the above-described embodiment, the head portion of the shaft plate has a head portion main body that receives the top plate that has reached the use posture by an upper end surface, and the lock claw provided on one side of the head portion main body selectively. The first and second claw receptacles having first and second engaging portions that engage with the head are opened over the entire width thereof, and the first and second locking claws are selectively engaged with each other. You may employ | adopt the structure provided with the latching | locking part.

  Furthermore, in the above-described embodiment, the internal dimension between the both side plates of the top plate receiver is set to a value obtained by adding a clearance dimension for allowing a flap operation to the thickness dimension of the head portion. The internal dimension between the both side plates of the top plate receiver may be set arbitrarily.

  And in embodiment mentioned above, while providing the leg body which makes a pair on the left and right, using the top plate support mechanism which makes a pair on the left and right, and the connection beam which connects the axis plates of these top plate support mechanisms The mounting unit formed on the outer side of the shaft plate in the top plate support mechanism is respectively attached to the standing surface formed on the inner side of the leg that makes a pair on the left and right. You may apply this invention to the furniture with a top plate which has only one.

  In addition, various changes may be made without departing from the spirit of the present invention.

T: Furniture with flap top plate 1A, 1B ... Leg body 114 ... Bolt 114a ... Bolt head 119 ... Standing surface (inner surface) of leg body
2 ... Top plate 3A, 3B ... Top plate support mechanism 31 ... Shaft plate 32 ... Top plate receiver 33 ... Lock claw 351 ... Shaft plate mounting surface P1, P2 ... Virtual adjacent plane (U) ... Usage posture (F) ... Bounce Raised posture

In order to solve the above problems, the furniture with a flap top plate according to the present invention has a configuration as described below. That is, the furniture with a flap top plate according to the present invention can perform a flap operation between the leg, the top plate arranged on the leg, and the top plate from the use posture to the flip-up posture. An axis plate attached to the leg between two parallel virtual adjacent planes substantially orthogonal to the lower surface of the top board. A top plate support that is supported by the shaft plate and receives the top plate on the upper surface, and a lock claw for selectively locking the top plate support to the use posture and the flip-up posture The mounting surface of the shaft plate substantially matched with the one virtual adjacent plane is brought into contact with the standing surface of the leg from the side, and a head is used to fit between the virtual planes. Monodea that attach the shaft plate to the legs , Comprising a top plate support mechanism paired on the left and right, comprising a mechanical unit using these top plate support mechanism and a connecting beam that connects the shaft plates of the top plate support mechanism, The end surface of the connecting beam is brought into contact with the inner surface of the shaft plate to join the corresponding contact portions .

Claims (5)

A leg body, a top board disposed on the leg body, and a top board support mechanism for supporting the top board so that the leg body can perform a flap operation from a use posture to a flip-up posture. And
The top plate support mechanism includes a shaft plate attached to the leg body between two parallel virtual adjacent planes substantially orthogonal to the bottom surface of the top plate, and the top plate supported by the shaft plate and supported by the top surface. A top plate receiver for receiving and a lock claw for selectively locking the top plate receiver to the use posture and the flip-up posture;
A mounting surface of the shaft plate that is substantially matched to the one virtual adjacent plane is brought into contact with the standing surface of the leg from the side, and the shaft plate uses a bolt whose head is located between the two virtual planes. A furniture with a flap top plate, characterized in that is attached to the leg. The shaft plate includes a mounting portion having the mounting surface, and a head portion that extends upward from the mounting portion and supports the top plate support.
The top plate receiver includes an upper plate attached to the lower surface of the top plate, and a pair of side plates extending from both side edges of the upper plate and positioned on both sides of the head portion.
The furniture with a flap top plate according to claim 1, wherein an outer side surface of the one side plate is brought close to an inner side of the one virtual adjacent plane. The head portion of the shaft plate receives the top plate that has reached the use posture by the upper end surface, and the first and second of the head portion main body, which are provided on one side of the head portion main body and selectively engage with the lock claw. The furniture with a flap top plate according to claim 2, comprising a claw receiver having a locking portion. The furniture with a flap top plate according to claim 2 or 3, wherein an internal dimension between both side plates of the top plate receiver is set to a value obtained by adding a clearance dimension for allowing a flap operation to a thickness dimension of the head portion. . A top plate support mechanism that is paired to the left and right is provided. A mechanical unit is configured by using these top plate support mechanism and a connecting beam that connects the shaft plates of the top plate support mechanism. The left and right ends of the top plate are supported by the top plate receiver of the plate support mechanism, and the mounting surfaces formed on the outer sides of the shaft plates in both the top plate support mechanisms are formed inside the legs that make a pair on the left and right. The furniture with a flap top plate according to claim 1, 2, 3 or 4, which is attached to each of the standing surfaces.

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