JP5567985B2 - Furniture with a top plate - Google Patents

Description

  The present invention relates to furniture with a top plate in which a bracket is disposed on an upper portion of a leg, and the bracket is connected to a lower surface of the top plate to support the top plate.

  Conventionally, in the connection structure between the top plate and legs in a table (desk) used in offices, etc., a support frame (bracket) is provided on the top of the legs, and the top plate is connected to the support frame with bolts or the like. (For example, refer to Patent Document 1). In addition, the leg portion has a shaft portion, and the shaft portion is inserted into a bearing hole such as an upper arm (bracket), and the shaft portion is fixed to a connecting rod by a screwing member such as a bolt. Some have a top plate supported by an upper arm (see, for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2007-125167 (5th page, FIG. 3) JP 2009-39457 A (5th page, FIGS. 7 and 8)

  However, in the tables of Patent Documents 1 and 2, since the screwing member is used as the connecting means for connecting the top plate and the leg, the number of parts and the screwing member are attached when the table is manufactured. Not only will the mounting process increase, but when the load on the top plate is supported for a long period of time, there is a risk of loosening of the screwing member, which may cause stagnation and rattling when the top plate is used. There's a problem.

  The present invention has been made paying attention to such problems, and it is possible to simplify the work of attaching the top plate to the legs, and to prevent itching and rattling even if the top plate is used for a long time. The purpose is to provide furniture with boards.

In order to solve the above-mentioned problem, the furniture with a top plate of the present invention,
In the furniture with a top plate in which a bracket is arranged on the upper part of the leg, and the bracket is connected to the lower surface of the top plate to support the top plate.
The bracket is integrally formed with a protruding portion that protrudes in the horizontal direction, and a connecting member having a fitting hole into which the protruding portion is fitted is connected to the upper portion of the leg, The protrusion is fitted into the fitting hole, and the bracket is connected to the connecting member by caulking the tip of the protrusion in the horizontal direction.
According to this feature, the legs are generally made by extrusion of a rigid body to support the load of the top plate, etc., and the design accuracy varies, but the connecting member is separate from the legs. Since it is provided as a member, it is possible to open a fitting hole with high design accuracy, and by fitting the protruding portion integral with the bracket into this fitting hole and caulking the tip, the leg body Can be connected to the leg of the top plate, and the projecting portion is caulked in the horizontal direction, so that the deformation direction by caulking in the projecting portion is the load on the top plate. When the top plate load is supported by the projecting portion, there is no effect on the deformed portion by caulking, and it is possible to prevent itching and rattling even when used for a long time.

The furniture with a top plate of the present invention,
The bracket has a substantially plate-like horizontal piece connected to the lower surface of the top plate and extending horizontally, and a substantially plate-like downward piece extending downward from the horizontal piece. The projecting portion is provided on the downward piece, and a cover piece is provided substantially parallel to the downward piece to cover the projecting portion and the fitting hole, and the projecting portion and the fitting hole are provided in the downward direction. It arrange | positions between a piece and the said cover piece, It is characterized by the above-mentioned.
According to this feature, it is possible to prevent other members and the like from colliding with the protruding portion and the fitting hole, which are the parts connecting the top plate, by the downwardly facing piece and the cover piece, and the protruding portion and the fitting hole are protected. It becomes like this.

The furniture with a top plate of the present invention,
The upper surface of the connecting member is horizontal, and the lower surface of the horizontal piece is in contact with the upper surface of the connecting member.
According to this feature, the top plate is stably supported horizontally by the contact between the upper surface of the horizontal connecting member and the lower surface of the horizontal piece of the bracket, and the load of the top plate is applied to the protrusion and the fitting hole. Concentration can be prevented, and twisting of the protruding portion can be prevented even after long-term use.

The furniture with a top plate of the present invention,
The protruding portion has a substantially cylindrical shape, and the diameter thereof is larger than the protruding dimension.
According to this feature, when a cylindrical projecting portion is caulked, it will be uniformly deformed along its circumference and the diameter of the projecting portion is larger than the projecting dimension. Also, it is possible to prevent the distortion of the protruding portion.

The furniture with a top plate of the present invention,
The connecting member is formed with a thin portion having a small thickness, and the fitting hole is opened in the thin portion.
According to this feature, the projecting dimension of the projecting portion can be shortened, and the occurrence of distortion or the like of the projecting portion can be prevented even when used for a long time.

It is a perspective view of the folding table of this invention. It is a vertical side view along the II-II line of FIG. Similarly, it is a vertical side view when the top plate is raised in the folded position. It is an expansion vertical side view of a connection member. FIG. 5 is an enlarged longitudinal sectional side view taken along line VV in FIG. 4. FIG. 5 is an enlarged longitudinal side view taken along line VI-VI in FIG. 4. FIG. 5A is an enlarged longitudinal end view taken along the line AA in FIG. 4, and FIG. 5B is an enlarged longitudinal end view taken along the line BB in FIG. 4. It is a disassembled perspective view which shows a bracket and a leg. It is an expanded vertical side view which shows a bracket and a leg, (a) shows a state when a top plate exists in a use position, (b) shows a state when a top plate exists in a folding position.

  EMBODIMENT OF THE INVENTION The form for implementing the furniture with a top plate which concerns on this invention is demonstrated below based on an Example.

  FIG. 1: is the perspective view which looked at the folding table as furniture in the Example with which this invention was applied from diagonally forward. 2 to 4 and 9 will be described as the front side (front side) of the table 1, and the left side of FIGS. 5 to 7 will be described as the outer side of the table 1. The folding table 1 includes a pair of left and right legs 3 and 3 whose upper end faces are connected to each other by a connecting rod 2, and a pair of left and right brackets rotatably attached to the upper ends of both legs 3. 4 and 4 are provided with a top plate 5 attached so as to be rotatable between a horizontal use position and a folding position standing on the rear side of the leg 3.

  The left and right legs 3, 3 have upper and lower rear legs 6 inclined obliquely upward and forward, and upper ends of the outer surfaces of the vertical middle portions thereof so as to form a substantially “human” shape in side view. The caster 8 is attached to the lower end of the rear leg 6 and the front leg 7.

  As shown in FIGS. 2 and 3, which are enlarged longitudinal side views taken along the line II-II in FIG. 1, the left and right brackets 4 are provided with rotating shafts 9 that face the left-right direction (horizontal direction) of the top plate 5. The bracket 4 is rotatably supported by the rotating shaft 9. The bracket 4 is indicated by a two-dot chain line in order to make it easy to understand the linkage state between the lock lever 12 and the connecting member 10 described later. A connecting member 10 is fixed to the upper end portion of the inner surface of the rear leg 6 in the leg 3, and both end portions of the connecting rod 2 described above are fixed to the connecting member 10.

  The left and right brackets 4 are supported at their upper ends that are slightly closer to the front, so that both end portions of the operating shaft 11 facing in the left-right direction can be pivoted, and the angular shaft portions 11 a formed at both end portions of the operating shaft 11 The upper end part of the lock lever 12 as an engagement means for locking the top plate 5 in the use position or releasing the lock is fitted so as not to be relatively rotatable.

  Further, a pair of left and right operating devices 13 are attached to the shaft end portions protruding from the left and right brackets 4 in the angular shaft portion 11a so as not to rotate. Since the left and right brackets 4 provided with the lock lever 12 and the left and right legs 3 provided with the connecting member 10 are symmetrical and have the same structure, the following description will be made on the left leg 3 and the bracket 4. Only do.

  As shown in FIG. 4, the operating device 13 is provided on the front surface of the upper end portion of the plate-like operating portion 14 that is long in the front-rear direction and the thick base end portion 15 that is connected to the rear end portion and faces obliquely rearward and upward. And an elastically deformable flexible portion 16 continuously provided so as to face and separate from the upper surface of the operation portion 14, and the whole is integrally formed of a polyamide-based synthetic resin. The base end portion 15 is formed with a rectangular shaft hole 17 into which the angular shaft portion 11a of the operating shaft 11 is press-fitted.

  At the front end of the operation unit 14, a stopper unit 18 that restricts the maximum upward rotation amount of the operation unit 14 by an upper end (tip) coming into contact with the lower surface of the top plate 5 is continuously provided upward. In addition, the front-rear dimension of the flexible portion 16 is a length that prevents the upper end of the stopper portion 18 from contacting the lower surface of the front end portion.

  On the upper surface of the central portion of the operation portion 14, a reinforcing piece 19 that faces in the front-rear direction and whose front and rear ends are coupled to the opposing surfaces of the base end portion 15 and the stopper portion 18 is integrally projected upward. 14 is increased in rigidity so that only the flexible portion 16 can be effectively elastically deformed.

  As shown in FIG. 2, the base end portion 15 of the operating device 13 is applied to the operating shaft 11 in the state where the initial urging force is applied so that the upper surface of the front end portion of the flexible portion 16 is pressed against the lower surface of the top plate 5. It is connected. Therefore, the operation unit 14 is urged downward (counterclockwise) by the elastic repulsive force of the flexible portion 16 and is held in the original position.

  Similarly, the lock lever 12 that is non-rotatably fitted to the angular shaft portion 11a is also urged counterclockwise by the elastic repulsive force of the flexible portion 16, and is held at the lock position that is a fixed position. . Thus, the arc-shaped lock groove 20 formed on the upper surface of the lower end portion of the lock lever 12 engages with the lower lock pin 21 protruding from the inner surface of the connecting member 10, and the top plate 5 is used. Locked in a non-rotatable position.

  When the operation part 14 is turned upward while elastically deforming the flexible part 16 while the top plate 5 is in the use position, the lock lever 12 is turned clockwise together with the operation shaft 11, and the operation position is moved from the fixed position. , The lock groove 20 of the lock lever 12 is detached from the lock pin 21. Thereby, the lock | rock of the top plate 5 is cancelled | released and it becomes possible to rotate, and the top plate 5 can be rotated upwards to a folding position.

  As shown in FIG. 3, when the top plate 5 is in the folded position, when the hand is released from the operation unit 14, the lock lever 12 is rotated to the original fixed position together with the operation unit 14 by the elastic repulsion force of the flexible unit 16. By being moved, the lock groove 20 of the lock lever 12 is engaged with the lock pin 21 provided at the upper end portion of the connecting member 10, and the top plate 5 is locked at the folding position so as not to be rotatable.

  In the folding position of the top plate 5, the operation unit 14 is rotated again to release the lock so that the top plate 5 can be rotated, and when the top plate 5 is rotated to the horizontal position and the hand is released from the operation unit 14, the flexibility is obtained. The lock lever 12 is rotated counterclockwise together with the operation portion 14 by the elastic repulsive force of the portion 16, and the lock groove 20 of the lock lever 12 is engaged with the lock pin 21 on the lower side. It is locked so that it cannot rotate. Note that the upper and lower two lock pins 21 with which the lock lever 12 as the engagement means is engaged and disengaged, and the connecting member 10 provided with the lock pins 21 constitute the lock means of this embodiment.

  Next, the bracket 4 and the connecting member 10 will be described in detail. As shown in FIG. 4, the connecting member 10 extends in the longitudinal direction of the leg 3, the lower part thereof has substantially the same front-rear dimensions as the leg body 3, and the upper part has a wide shape in which the width increases upward. . The bracket 4 and the lock lever 12 are indicated by a two-dot chain line for easy understanding of a connection state between a bracket 4 and a connecting member 10 described later.

  The connecting member 10 has a substantially plate shape in which a pair of left and right plate members 22 and 23 are joined (see FIG. 7A). Further, the edges of the left and right plate members 22 and 23 are bent, and the other plate member 22 is fitted to one plate member 23 and the edges of both plate members 22 and 23 are welded together. Are joined.

  As shown in FIG. 5, the bracket 4 includes a horizontal piece 24 that is connected to the lower surface of the top plate 5 and extends horizontally and has a substantially plate shape, and a substantially plate shape that extends downward from the horizontal piece 24. And has a substantially L-shape when viewed from the front. Note that the leg 3 is indicated by a two-dot chain line. The upper surface of the connecting member 10 is a horizontal surface 10a (abutment surface) that is substantially horizontal. When the top plate 5 is in the use position, the lower surface of the horizontal piece 24 of the bracket 4 is brought into contact with the horizontal surface 10 a of the connecting member 10.

  The bracket 4 is formed with a projecting portion 26 projecting from the downward piece 25 in the horizontal direction (outward). The protruding portion 26 has a substantially cylindrical shape and protrudes from the downward piece 25 and has a diameter larger than the protruding dimension. In addition, the protrusion part 26 is integrally formed in the downward piece 25 by press work etc. In addition, a thin portion 10b having a small thickness is formed on the upper portion of the connecting member 10, and a circular fitting hole 27 into which the protruding portion 26 of the bracket 4 is fitted is opened in the thin portion 10b. .

  The fitting hole 27 has an inner diameter substantially the same as the outer diameter of the protruding portion 26. Further, the left and right plate members 22 and 23 constituting the connecting member 10 are formed with corresponding circular circular openings 28 and 29. When the two plate members 22 and 23 are joined, both the circular shapes are formed. The openings 28 and 29 become the fitting holes 27. Further, as described above, since the edges of the plate members 22 and 23 are bent, a space 30 is formed between the plate members 22 and 23, and the opposing surfaces of the plate members 22 and 23 are opposed to each other. They are separated from each other.

  Furthermore, the edge of the circular opening 29 of the plate member 23 on the right side (inner side) of the plate members 22 and 23 is the edge of the circular opening 28 of the plate member 22 on the left side (outer side). It is extended and contact | abutted toward the edge in the horizontal direction. The inner peripheral surface of the fitting hole 27 is formed by the extended edge of the circular opening 29 of the plate member 23.

  As shown in FIG. 5, the protruding portion 26 of the bracket 4 is rotatably fitted in the fitting hole 27 of the connecting member 10, and the tip end thereof is caulked in the axial direction (horizontal direction) of the protruding portion 26. As a result, the bracket 4 is connected to the connecting member 10. Note that a ring-shaped ring member 31 is disposed between the tip of the protrusion 26 and the edge of the fitting hole 27. Even if the tip of the protrusion 26 is caulked, the protrusion 26 In the fitting hole 27, it can be freely rotated. The projecting portion 26 and the fitting hole 27 constitute a pivot shaft 9 in which the top plate 5 is pivotally supported and pivoted so that the axis is directed in the horizontal direction (left-right direction).

  Further, the bracket 4 is provided with a cover piece 32 that covers the protruding portion 26 and the fitting hole 27 so as to be substantially parallel to the downward piece 25 described above (see FIG. 8). Then, the protruding portion 26 and the fitting hole 27 constituting the rotating shaft 9 are disposed between the downward piece 25 and the cover piece 32. By this cover piece 32, the protrusion part 26 and the fitting hole 27 are concealed from the outer side, and the appearance of the table 1 can be improved.

  As shown in FIG. 7A, the left and right plate members 22 and 23 constituting the connecting member 10 are formed with two upper and lower holes 33 and 34 into which the lock pin 21 is fitted. . The upper and lower holes 33 and 34 are formed at positions corresponding to each other in the left and right plate members 22 and 23, and the axis of the hole 34 of one plate member 23 is the hole 33 of the other plate member 22. It is the same as the axis. The lock pin 21 is fitted into the holes 33 and 34 from the outer side of the connecting member 10 so as not to fall off, and the protruding side (one end side) of the lock pin 21 is set in the axial direction (left and right direction). By tightening, the base portion 21a of the protruding portion of the lock pin 21 is bulged and fixed to the hole 34.

  Specifically, the lock pin 21 before being inserted into the holes 33 and 34 includes a large-diameter portion 21b having a large diameter, a medium-diameter portion 21c having a slightly smaller diameter, and a small-diameter portion having the smallest diameter. 21d, and the diameter decreases in the insertion direction. When the lock pin 21 is inserted into the holes 33 and 34, the medium diameter portion 21c is locked to the inner edge of the hole 34 of the inner (right) plate member 23, and the The diameter portion 21b is locked to the outer edge of the hole portion 33 of the plate member 22 on the outer side (left side).

  In this state, the small-diameter portion 21d protrudes inward (rightward) of the connecting member 10, and the diameter of the small-diameter portion 21d is increased by caulking the protruding portion in the axial direction (left-right direction). As the size further decreases, the base portion 21a of the small diameter portion 21d bulges in the radial direction. The base 21a is locked to the outer edge of the hole 34 of the inner (right) plate member 23. The lock pin 21 is fixed to the hole portion 34 of the plate member 23 on the inner side (right side) by the base portion 21a and the medium diameter portion 21c.

  As shown in FIG. 6, the end of the connecting rod 2 described above is fixed to the connecting member 10 with a hexagon bolt 35. The connecting rod 2 has an oval shape in a sectional view and is hollow inside (see FIG. 4). On its inner periphery, a fixing plate 36 is welded on which a female screw portion to which the hexagon bolt 35 is screwed is formed.

  Further, the connecting member 10 has a bolt insertion hole 37 through which the hexagon bolt 35 is inserted. Before the connecting member 10 is attached to the leg body 3, the hexagon bolt 35 is inserted into the bolt insertion hole 37. The male screw portion is screwed to the female screw portion of the fixing plate 36 at the end of the connecting rod 2. In addition, the leg 3 is formed with an opening hole 38 in which the rectangular head of the hexagon bolt 35 is arranged, and a concave portion 39 in which the rectangular head of the hexagon bolt 35 is arranged is also formed in the arrangement member 42 described later. ing.

  Moreover, the site | part in which the volt | bolt penetration hole 37 of the connection member 10 is formed becomes the thin part 10c with thin thickness. Further, the reinforcing plate 40 is arranged in the space portion 30 corresponding to the thin portion 10c, that is, the position where the connecting rod 2 of the connecting member 10 is screwed. The reinforcing plate 40 has a portion that faces the width direction (thickness direction) of the connecting member 10 by bending a rectangular metal plate to form a substantially wave shape in cross-sectional view (see FIG. 7B). The bent reinforcing plate 40 is brought into contact with the inner surfaces of the pair of left and right plate members 22 and 23, respectively.

  The reinforcing plate 40 is formed with a bolt insertion hole 41 through which the hexagon bolt 35 for connecting the connecting rod 2 described above is inserted. The reinforcing plate 40 is fixed to the inner side (right side) plate member 23 by welding means or the like before the left and right plate members 22 and 23 are joined.

  Next, the leg 3, the connecting member 10, and the connecting structure will be described in detail. As shown in FIG. 6, the leg 3 is a prismatic member having a wall 3 a and a hollow 3 b surrounded by the wall 3 a and having a rectangular cross section. And as shown in FIG. 8, the upper surface opening part 3c which leads to the hollow part 3b is formed in the upper surface of the leg 3. The disposing member 42 is inserted into the hollow portion 3b from the upper surface opening 3c.

  The arrangement member 42 is provided with an insertion portion 43 to be inserted into the hollow portion 3b of the leg 3, and a hexagon nut 44 as a female screw member is provided at a substantially central portion and a lower portion of the insertion portion 43 in the vertical direction. A nut arrangement hole 45 that is arranged so as not to rotate is formed. Moreover, the lower end part of the insertion part 43 is rounded so that the arrangement | positioning member 42 can be inserted easily from the upper surface opening part 3c.

  Furthermore, the arrangement member 42 is inserted from the upper surface opening 3 c in a state where the hexagon nuts 44 are arranged in the upper and lower nut arrangement holes 45. And the external dimension of the insertion part 43 is substantially the same as the internal shape dimension of the leg body 3, and the arrangement | positioning member 42 inserted in the hollow part 3b of the leg body 3 does not wobble.

  As shown in FIGS. 6 and 8, the upper portion of the arrangement member 42 is a closing portion 46 that closes the upper surface opening 3 c of the leg 3. The outer dimension of the closing part 46 is slightly larger than the inner shape of the leg 3, and when the insertion part 43 of the arrangement member 42 is inserted from the upper surface opening part 3 c of the leg 3, the closing part 46. Is locked to the edge of the upper surface opening 3c.

  As shown in FIGS. 8 and 9, the closing part 46 of the arrangement member 42 protrudes upward from the upper surface opening 3 c of the leg 3, and the closing part 46 stands upright on the front side thereof. It has a substantially L shape in side view. Furthermore, the upper end of the upright piece 46a is rounded.

  As shown in FIG. 4, a bolt insertion through which a cap bolt 47 (hexagon socket head cap bolt) as a male screw member for attaching the connecting member 10 to the leg 3 is inserted in a substantially central portion and a lower portion of the connecting member 10. A hole 48 is formed. As shown in FIG. 6, the bolt insertion holes 48 are opened at positions corresponding to each other on the left and right plate members 22, 23 constituting the connecting member 10.

  The upper bolt insertion hole 48 formed in the inner side (right side) plate member 23 is more than the upper bolt insertion hole 48 formed in the outer side (left side) plate member 22. Largely formed. The cap bolt 47 inserted into each upper bolt insertion hole 48 has a head portion passing through the bolt insertion hole 48 formed in the inward (right side) plate member 23 and the space portion of the connecting member 10. 30 and is locked to the edge of the bolt insertion hole 48 formed in the plate member 22 on the outer side (left side). Further, the cap bolt 47 inserted into each lower bolt insertion hole 48 is disposed in the thin portion 10 d of the connecting member 10, and is a bolt insertion hole 48 formed in the inward (right side) plate member 23. Locked to the edge.

  Further, among the four wall portions 3a on the front, rear, left and right sides of the leg 3, the inner side (right side) wall portion 3a is formed with an insertion hole 3d through which the male screw portion of the cap bolt 47 is inserted. Yes. As described above, when the blocking portion 46 of the arrangement member 42 is locked to the edge of the upper surface opening 3c, the upper and lower nut arrangement holes 45 provided in the insertion portion 43 of the arrangement member 42 are respectively leg bodies. 3 is positioned at a position corresponding to the upper and lower insertion holes 3d of the wall portion.

  As shown in FIG. 6, the cap bolt 47 inserted through the bolt insertion hole 48 of the connecting member 10 is composed of the connecting member 10 and the hexagon nut 44 arranged in the nut arrangement hole 45 of the arrangement member 42. In the state where the wall portion 3a is sandwiched, the hexagon nut 44 arranged in the nut arrangement hole 45 is fastened.

  As shown in FIGS. 8 and 9, when the top plate 5 is in the use position (see FIG. 9A), the bracket 4 conceals the blocking portion 46 and the top plate 5 is folded (see FIG. 9). (B)), a front plate 49 provided on the front side close to the blocking portion 46 is provided. The front plate 49 is configured to conceal the blocking portion 46 or to be close to the closing portion 46 regardless of the position of the top plate 5 from the use position to the folding position. There is no possibility that a finger or the like is caught between the closed portion 46.

  Note that the upper end of the upright piece 46a of the closing portion 46 is close to the lower end of the front plate when the top plate 5 is in the folded position. Further, the pivot shaft 9 of the top plate 5 described above is pivotally supported by the connecting member 10 at a position on the rear side of the standing piece 46 a of the closing portion 46.

  As described above, in the folding table 1 (furniture with a top plate) in the present embodiment, the bracket 4 is integrally formed with the protruding portion 26 protruding in the horizontal direction, and the protruding portion 26 is fitted. The connecting member 10 in which the fitting hole 27 is opened is connected to the upper portion of the leg 3, and the protruding portion 26 is fitted into the fitting hole 27, and the tip end portion of the protruding portion 26 is caulked in the horizontal direction. Thus, the bracket 4 is connected to the connecting member 10. In order to support the load of the top plate 5 or the like, the leg body 3 is generally made by extrusion of a rigid body and the design accuracy varies, but in the present invention, the connecting member 10 is the leg body 3. Therefore, the fitting hole 27 with high design accuracy can be opened, and the protrusion 26 integrated with the bracket 4 can be fitted into the fitting hole 27 so that the tip thereof can be fixed. Since the leg 3 can be connected by the crimping operation, the mounting operation of the top plate 5 to the leg 3 can be simplified, and the protrusion 26 is caulked in the horizontal direction so that the protrusion 26 The deformation direction due to caulking is different from the direction in which the load on the top plate 5 is applied, and when the load on the top plate 5 is supported by the protruding portion 26, there is no effect on the portion deformed by caulking, and the Prevents itching and rattling even when used That.

  In addition, the bracket 4 is connected to the lower surface of the top plate 5 and is connected to the lower surface of the horizontal piece 24 so as to extend horizontally. The bracket 4 has a substantially plate-like horizontal piece 24 and a downwardly-moving piece 25 extending downward from the horizontal piece 24. And a projecting portion 26 is provided on the downward piece 25, and a cover piece 32 that is substantially parallel to the downward piece 25 and covers the projecting portion 26 and the fitting hole 27 is provided. Since the fitting hole 27 is disposed between the downward piece 25 and the cover piece 32, another member or the like (for example, Collision of other members such as tables can be prevented by the downward pieces 25 and the cover pieces 32, and the protrusions 26 and the fitting holes 27 are protected.

  Further, the upper surface of the connecting member 10 is a horizontal surface 10 a that is horizontal, and the lower surface of the horizontal piece 24 of the bracket 4 is brought into contact with the horizontal surface 10 a of the connecting member 10, whereby the horizontal surface of the horizontal connecting member 10. 10a and the bottom surface of the horizontal piece 24 of the bracket 4 are in contact with the top plate 5 in a stable manner, and the load on the top plate 5 is prevented from concentrating on the protrusion 26 and the fitting hole 27. And even if it uses for a long period of time, the twist of the protrusion part 26 etc. can be prevented.

  Further, the protruding portion 26 has a substantially cylindrical shape and its diameter is larger than the protruding size, so that when the cylindrical protruding portion 26 is caulked, it is uniformly deformed along its circumference. In addition, since the diameter of the projecting portion 26 is larger than the projecting dimension, it is possible to prevent distortion of the projecting portion 26 even when used for a long time.

  Further, the connecting member 10 is formed with a thin portion 10b having a small thickness, and the fitting hole 27 is opened in the thin portion 10b, so that the protruding dimension of the protruding portion 26 can be shortened. Even when used for a long period of time, it is possible to prevent the protrusion 26 from being distorted.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.

  For example, in the above-described embodiment, the present invention is applied to the folding table 1, but the present invention is not limited to the folding table 1 having the pivot shaft 9 that rotates the top plate 5, and the top plate 5 rotates. Not applicable to general tables.

  Moreover, in the said Example, although the protrusion part 26 has comprised the cylindrical shape, the shape of the protrusion part 26 is not restricted to a cylindrical shape, A prismatic shape or another shape may be sufficient.

1 Folding table (furniture)
2 connecting rod 3 leg 3a wall 3b hollow 3c upper surface opening 3d insertion hole 4 bracket 5 top plate 9 rotating shaft 10 connecting member (locking means)
10a Horizontal plane 10b Thin part 12 Lock lever (engaging means)
20 Lock groove 21 Lock pin (locking means)
21a Base portion 22, 23 Plate member 24 Horizontal piece 25 Downward piece 26 Projection portion 27 Fitting hole 28, 29 Circular opening portion 30 Space portion 32 Cover piece 33, 34 Hole portion 40 Reinforcement plate 42 Arrangement member 44 Hexagon nut (internal thread member) )
46 Closure 46a Standing piece 47 Cap bolt (Male thread member)
48 Bolt insertion hole 49 Front plate

Claims (5)

In the furniture with a top plate in which a bracket is arranged on the upper part of the leg, and the bracket is connected to the lower surface of the top plate to support the top plate.
The bracket is integrally formed with a protruding portion that protrudes in the horizontal direction, and a connecting member having a fitting hole into which the protruding portion is fitted is connected to the upper portion of the leg, A furniture with a top plate, wherein the protruding portion is fitted into the fitting hole, and the bracket is connected to the connecting member by caulking the tip of the protruding portion in the horizontal direction.   The bracket has a substantially plate-like horizontal piece connected to the lower surface of the top plate and extending horizontally, and a substantially plate-like downward piece extending downward from the horizontal piece. The projecting portion is provided on the downward piece, and a cover piece is provided substantially parallel to the downward piece to cover the projecting portion and the fitting hole, and the projecting portion and the fitting hole are provided in the downward direction. The furniture with a top plate according to claim 1, wherein the furniture is disposed between the piece and the cover piece.   The furniture with a top plate according to claim 2, wherein the upper surface of the connecting member is horizontal, and the lower surface of the horizontal piece is in contact with the upper surface of the connecting member.   The furniture with a top plate according to any one of claims 1 to 3, wherein the projecting portion has a substantially cylindrical shape, and a diameter thereof is larger than a projecting dimension.   The furniture with a top plate according to any one of claims 1 to 4, wherein the connecting member is formed with a thin portion having a small thickness, and the fitting hole is opened in the thin portion.

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