JP4699926B2 - Supporting feet for the top plate on a table - Google Patents

Description

  The present invention relates to a support leg for a top plate attached to the lower surface of a top plate such as a table.

  As a support leg of this kind of top plate, there exists what is described in patent document 1, for example.

JP 2002-191441 A

  In the support leg described in the above-mentioned patent document, a concave portion and a convex portion are provided on the opposing surfaces of the top plate seat provided at the upper end of the pedestal and the top plate support attached thereto, and these are mutually connected. While being fitted, it is fixed with bolts in a state where the inner surface of the top support is in contact with the outer peripheral surface of the pedestal. For this reason, the fitting area between the concave portion and the convex portion is small, and it is difficult to obtain a large mounting strength.

  In addition, since the top plate support body falls downward, it is necessary to bolt it while holding it with one hand, or to perform the installation work with the top plate placed upside down on the floor surface. It was bad.

  6 and 7 disclosed in the above Patent Document 1 as the prior art, the support leg of FIG. 6 is such that the outer surface of the base of the top plate support is in surface contact with the inner surface of the pedestal. Therefore, when an external force is applied to the top plate support body, it is easy to shift laterally. In addition, the support leg of FIG. 7 is simply connected to the pillar connection body and the flange by a bolt. There is a problem that it takes time and labor to match.

  The present invention has been made to solve the above problems, and provides a support leg for a top plate in a table or the like in which a top plate support member can be firmly and easily fixed to the upper end of a pedestal. The purpose is to do.

In order to achieve the above object, the support leg of the top plate in the table or the like according to claim 1 of the present invention is a support leg that supports the lower surface of the top plate of the table or the like, and a pedestal that faces in the vertical direction. A pedestal that is provided at the upper end of the pedestal and has a plurality of upward engaging portions at the peripheral edge, and a shaft-shaped upward protruding portion that protrudes from the center of the upper surface, and at least adjacent to each other A base end portion is fitted between the two upward engaging portions, and an outer surface is provided on both sides of the base end portion on the inner side of the fitting portion, and the inner surfaces of the two adjacent upward engaging portions. A top plate that faces in the horizontal direction and has a pair of engaged portions that engage with each other, and the inner surface of the base end including both engaged portions is an inclined surface that gradually inclines outward. The support member is placed on the upper surface of the base end portion of the pedestal and the top plate support member, and the outer peripheral surface faces upward at the same angle as the inclined surface at the center of the lower surface. In addition, the top plate seat has a downward protrusion that forms an inclined surface that gradually inclines outward, and a fitting hole that can be fitted to the upward protrusion from above is formed in the downward protrusion. And by fitting a fitting hole in the top plate seat to the upward projection of the pedestal, and fixing the top plate seat to the support column with fastening means, The inclined surface of the inner surface of the top plate support member is pressed outward by the inclined surface of the downward projection.
According to this feature, when the top plate seat is tightened, the inclined surface of the inner surface of the base end portion of the top plate support member is strongly pressed outward by the inclined surface of the outer peripheral surface of the downward projection, and the base end Since the outer surfaces of the engaged parts on both sides of the part strongly engage with the inner surfaces of the two upward engaging parts of the pedestal, the top plate support member is firmly fixed to the pedestal at the upper end of the pedestal.
Further, when the base end portion of the top plate support member is fitted from above between adjacent upward engaging portions of the pedestal, the outer surfaces of the pair of engaged portions abut against the inner surfaces of both upward engaging portions. The top plate support member is prevented from dropping and can be fixed in a positioned state, so that workability is extremely good.

The support leg of the top plate according to claim 2 of the present invention is the support leg of the top plate according to claim 1, wherein the upward projection of the pedestal and the fitting hole of the top plate seat, It is characterized by a frustoconical shape that complements each other.
According to this feature, the top plate seat is stably fixed by being fitted to the upward projecting portion of the pedestal stably by the centripetal action, so that the top plate support member is also uniformly pressed and fixed. It becomes like this.

The top plate support leg according to claim 3 of the present invention is the top plate support leg according to claim 1 or 2, wherein the downward projection of the top plate seat is formed into a reverse truncated cone shape. In addition, the inner surface of the top plate support member that is in contact with the outer peripheral surface is an arcuate inclined surface.
According to this feature, it is not necessary to position the top plate seat regardless of the position of the top plate support member, and the contact area with the inclined surface of the top plate support member is increased. It can be firmly pressed and fixed.

According to a fourth aspect of the present invention, there is provided a support leg for the top plate according to any one of the first to third aspects, wherein the base end portion and the engaged portion of the top plate support member are provided. It is characterized in that the lower inner surface complements a part of the lower outer peripheral surface of the upward projecting portion of the pedestal and comes into contact therewith.
According to this feature, even if the fastening means is loosened, the top plate support member is prevented from being displaced in the center direction of the base.

The support leg of the top plate according to claim 5 of the present invention is the support leg of the top plate according to any one of claims 1 to 4, wherein the inner surface of the upward engaging portion of the base and the top plate support A contact surface with the outer surface of the engaged portion of the member is an inclined surface that gradually inclines outward toward the upper side.
According to this feature, the pressure contact force between the upward engaging portion of the pedestal and the engaged portion of the top plate support member increases, so that the top plate support member is more firmly fixed.

A top plate support leg according to a sixth aspect of the present invention is the top plate support leg according to any one of the first to fifth aspects, wherein both engaged portions at a base end portion of the top plate support member are provided. And an engaging hole complementary to the center of the three upward engaging portions adjacent to each other, which is complementary to the central upward engaging portion. Yes.
According to this feature, the base end portion of the top plate support member is engaged with the three upward engaging portions of the pedestal at the three portions of the engaged portion on both sides and the engaging hole in the central portion. Therefore, the top plate support member can be fixed more firmly and stably.

The support leg of the top plate according to claim 7 of the present invention is the support leg of the top plate according to any one of claims 1 to 6, and is an upward engagement adjacent to each other without the top plate support member. A blocking member having the same shape as the base end portion and the engaged portion of the top plate support member is fitted between the portions.
According to this feature, the gap between the upward engaging portions that do not have the top plate support member is well-closed by the closing member, and the top plate support member and the closing member are uniformly pressed. Therefore, there is no variation in the fixing strength of the plurality of top plate support members.

The support leg of the top plate according to claim 8 of the present invention is the support leg of the top plate according to any one of claims 1 to 7, wherein the fastening means is a downward projection of the top plate seat. Is inserted into the insertion hole provided at the center of the pedestal and the upward projection of the pedestal, and the cylindrical part at the center of the pedestal, and is screwed onto the nut or female screw at the upper end of the top plate seat or the lower end of the pedestal It is characterized in that it is a long bolt in the vertical direction.
According to this feature, all the members constituting the support leg can be coupled with one long bolt, and the bolt is inserted through the center of the pedestal, so that the strength of the pedestal is increased. can do.

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

  FIG. 1 is a perspective view of a table having support legs according to the first embodiment of the present invention as seen from below, and four corners of the lower surface of the top plate 2 of the table 1 are four support legs facing in the vertical direction. 3 and a plurality of connecting rods 4 which are connected in the front-rear and left-right directions connecting their upper ends to each other.

  As shown in FIGS. 2 to 6, each support leg 3 is made of an aluminum alloy having a cylindrical leg column 5 made of an extruded product such as an aluminum alloy and an aluminum alloy having substantially the same diameter as the leg column 5 attached to the upper end. The pedestal 6, the three top plate support members 7 made of aluminum alloy that are attached to the pedestal 6 so as to face the mutually orthogonal radial directions, and the pedestal 6 and each top plate support member 7 are placed on the upper surface of the base end portion The top plate seat 8 is fixed, and a bolt 9 that is long in the vertical direction with the lower end portion being a male screw 9a.

  In the center of the pedestal 5, a notch cylindrical portion 10 having an insertion hole for inserting a bolt 9 is integrally coupled to the inner surface of the pedestal 5 via four ribs 11. Reference numeral 12 denotes a cap that closes the opening at the lower end of the pillar 5, and a cylindrical fitting portion 12 a erected at the center of the upper surface is fitted into the lower end portion of the above-described cylindrical portion 10. Yes. A female screw 13 into which the male screw 9a of the bolt 9 is screwed and a male screw 14a at the center of the upper surface of the adjuster 14 provided below the cap 12 are screwed into the upper and lower portions of the inner surface of the cylindrical fitting portion 12a. 15 is formed.

  Four upward engaging portions 16 having the same shape are integrally provided on the upper surface of the peripheral edge of the base 6 at intervals of 90 ° in the circumferential direction. The inner surface 16a of each upward engagement portion 16 is an arcuate inclined surface that gradually inclines outward (in the direction of eccentricity) upward.

  At the center of the upper surface of the pedestal 6, there is an upwardly projecting conical upward projection 18 having an insertion hole 17 for the bolt 9 in the center and an outer diameter gradually increasing downward. Yes. Further, at the center of the lower surface, as shown in the cross-sectional view of FIG. 6, between the cylindrical protrusion 19 fitted in the upper end portion of the cylindrical portion 10 of the pedestal 5 and the inner end portions of the ribs 11 adjacent to each other. A positioning protrusion 20 is provided so as to be fitted into the protrusion.

  Each of the top plate support members 7 has a mounting portion 7a on the base 6 side that is generally inverted L-shaped in a side view, and an upper U-shaped connecting portion 7b for connecting the connecting rod 4 to the outer end surface thereof. Are connected continuously.

  A base end portion 21 extending toward the base 6 at the upper end portion of the mounting portion 7a is configured to be fitted between the upward engaging portions 16 adjacent to each other in the base 6, and the base end. On both sides of the inner end portion of the portion 21, a pair of engaged portions 22, 22 that abuts substantially half in the circumferential direction on the inner surface 16 a of the upward engaging portion 16 adjacent to the outer surface protrudes. .

  The outer surfaces of both engaged portions 22 are arcuate inclined surfaces that are equal to the inner surface of the upward engaging portion 16, and are in contact with each other. The inner surface 23 of the base end portion 21 including the engaged portion 22 is an arcuate inclined surface (tapered surface) that gradually inclines outward (eccentric direction) upward, and the lower end of the inner surface 23 of the base 6 It is in contact with the outer peripheral surface of the lower end of the upward projection 18 in a complementary shape.

  That is, when the base end portion 21 is fitted between the adjacent upward engagement portions 16 and the both engaged portions 22 are brought into contact with the inner surface 16a of the upward engagement portion 16, the inner surface of the base end portion 21 is obtained. 23 is in contact with or close to the outer peripheral surface of the lower end of the upward projection 18 to prevent the top plate support member 7 from moving inward and to be positioned before fixing. Yes.

  Reference numeral 24 denotes a closing member that is fitted between the upward engaging portions 16 that do not have the top plate support member 7 in the pedestal 6, and has substantially the same shape as the base end portion 21 of the top plate support member 7, and has the same cover. It has an engaging portion 22 and an inclined inner surface 23.

  At the base end portion 21 of each top plate support member 7 and the center of the top surface of the closing member 24, as shown by a two-dot chain line in FIG. 3, four convex portions 25 projecting from the bottom surface of the top plate seat 8 are provided. A recessed portion 26 for positioning to be fitted is formed.

  As shown in FIG. 3, when the top plate support member 7 and the closing member 24 are fitted between the upward engaging portions 16 adjacent to each other of the pedestal 6, their inner surface 23 and the upward protruding portion 18 of the pedestal 6. Between the two, a tapered fitting recess 27 that gradually increases in diameter upward is formed.

  The top plate seat 8 has a rectangular plate shape, and has a bottomed hole 28 into which the head of the bolt 9 is fitted and an insertion hole 29 through which the shaft portion of the bolt 9 is inserted. It is drilled in communication. Further, as shown in FIG. 4, mounting holes 31 for inserting bolts 30 for fixing to the top plate 2 are formed in the four corners.

  As shown in the two-dot chain line in FIG. 3 and the sectional view in FIG. 6, the outer peripheral surface is inclined at the same angle as the inner surface 23 of the base end portion 21 of each top plate support member 7 at the center of the bottom surface of the top plate seat 8. A downward projecting conical downward projecting portion 32 forming a surface (tapered surface) is integrally projected. Inside the downward protrusion 32, a mounting cone-shaped fitting hole (tapered hole) 33 that complements the upward protrusion 18 of the base 6 is concentric with the bolt insertion holes 17 and 29. Is formed. When the fitting hole 33 is fitted into the upward projection 18, the outer peripheral surface of the downward projection 32 is closed with the base end portion 21 of each top plate support member 7 in the tapered fitting recess 27 described above. It contacts the inner surface 23 of the member 24.

  The outer peripheral portion of the top plate seat 8 is an inwardly inclined surface 34, and the inclined surface 34 protrudes from the upper surface of the mounting portion 7a of each top plate support member 7 as shown in FIG. The inner surface of the piece 35 comes into contact with the inclined receiving surface 36.

  Next, the assembly procedure of the support leg 3 of the first embodiment will be described.

  First, after the base 6 is positioned and placed on the upper end of the pedestal 5, as shown in FIG. 3, the base ends of the three top plate support members 7 are disposed between the upward engaging portions 16 adjacent to each other. The portion 21 and the closing member 24 are sequentially fitted from above. At this time, the outer surfaces of the pair of engaged portions 22 of the top plate support members 7 and the closing members 24 come into contact with the inner surfaces 16 a of the adjacent upward engaging portions 16, so that they may fall from the base 6. No subsequent workability becomes easy.

  Next, while aligning the convex portion 25 on the bottom surface of the top plate seat 8 with the concave portions 26 of the top plate support member 7 and the closing member 24, the fitting hole 33 of the downward projecting portion 32 on the bottom surface is formed. The pedestal 6 is fitted to the upward projection 18.

  Next, the long bolt 9 is inserted from above into the insertion hole 29 of the top plate seat 8 through the washer 37, and is inserted through the insertion 17 of the base 6 and the missing cylindrical portion 10 of the pedestal 5, The male screw 9a is screwed into the upper half female screw 13 in the cylindrical fitting portion 12a of the cap 12 and tightened firmly.

  4 to 6 show this state, and when the bolt 9 is tightened, the outer peripheral surface of the downward projection 32 of the top plate receiving seat 8 is the inner surface 23 of each top plate support member 7 and the closing member 24. As shown by the arrows in FIG. 5, the outer surface of the engaged portion 22 is strongly engaged with the inner surface 16 a of the upward engaging portion 16 by strongly pressing outward (radially). The top plate support member 7 and the closing member 24 are firmly fixed to the pedestal 6, that is, the upper end of the pedestal 5.

  At this time, the closing member 24 is fitted between the upward engaging portions 16 that do not have the top plate support member 7, and the top plate support portion 7 and the inner surface 23 of the closure member 24 are opposite to each other with the same inclination. Since it is pressed uniformly by the downward projection 32 in the truncated cone shape, the fixing strength of each top plate support member 7 does not vary.

  After the support legs 3 are assembled in this way, as shown in FIG. 4, the end portions of the connection rods 4 are fitted into the connection portions 7b of the top plate support members 7 and connected to each other by bolts (not shown). Is done. Further, the four corners of the top plate receiving seat 8 are fixed to the lower surface of the top plate 2 with bolts 30.

  FIG. 7 is a perspective view of the table 1 including the support legs 38 according to the second embodiment of the present invention as viewed from below. The support leg 38 of the second embodiment is different in the shape of the top plate support member 39, and the pedestal 5 and the pedestal 6 are substantially square, so other configurations are the same as in the first embodiment. Therefore, the same components as those described above are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIGS. 8 to 10, the top plate support member 39 includes a mounting portion 39 a having a base that is wider than the mounting portion 7 a and a horizontal portion, and an upward U-shaped connecting portion that is connected to the outer surface of the mounting portion 39 a. 39b, and the base end portion 40 of the mounting portion 39a has its upper surface slightly lowered, and the width dimension is set to be fitted between the upward engaging portions 16 facing each other in the base 6.

  On both sides of the inner end portion of the base end portion 40, a pair of engaged portions 41, 41 whose outer surfaces are in contact with almost half of the inner surface 16 a of the upward engaging portion 16 facing each other are connected. . An inner surface 42 of the base end portion 40 including both engaged portions 41 is a semicircular inclined surface that complements the outer peripheral surface of the downward projection 32 (not shown in this embodiment) of the top plate seat 8. (Tapered surface).

  In the central portion of the base end portion 40, an engagement hole 43 is formed that is fitted to the upward engagement portion 16 provided between the upward engagement portions 16 facing each other and has a complementary shape. ing. Further, outside the engagement hole 43, when the corner portion of the top plate seat 8 is placed on the upper surface of the base end portion 40, a bolt 30 (see FIG. 4) that is aligned with the mounting hole 31 is inserted. A hole 44 is formed.

  Reference numerals 26 and 26 denote positioning concave portions similar to the above, and the two convex portions 25 on the lower surface of the top plate seat 8 are fitted. Reference numerals 24 and 24 denote closing members similar to those described above, and are fitted between the adjacent upward engaging portions 16 to which the top plate support member 39 is not attached.

  FIG. 9 shows a state where the top plate support member 39 and the two closing members 24 are engaged and attached to the upward engaging portions 16 of the base 6. In this state, when the top plate seat 8 is tightened with the bolts 9 in the same procedure as in the first embodiment, the top plate support member 39 and each closing member 24 are even in the radial direction as shown by the arrows in FIG. Pressed.

  As a result, the engaged portions 41 and the engagement holes 43 of the top plate support member 39 are strongly engaged with the three upward engagement portions 16 adjacent to each other, and the top plate support member 39 is attached to the base 6. That is, it is firmly fixed to the upper end of the pedestal 5.

  After fixing the top plate support member 39, the end of the connecting rod 4 with its both ends bent toward the corners of the top plate 2, as shown in FIG. Abbreviation).

  As described above, in the support legs 3 and 38 of the first and second embodiments described above, the top plate support member 7, 39 can be firmly fixed to the base 6.

  In addition, the top plate support members 7 and 39 are prevented from falling from the base 6 simply by fitting the base end portions 21 and 40 between the adjacent upward engaging portions 16 of the base 6. Since it is positioned, there is no need to work while pressing as in the conventional case, and workability is extremely good.

  The present invention is not limited to the above embodiment.

  In the above embodiment, the downward projection 32 of the top plate seat 8 has a reverse truncated cone shape. However, in the first embodiment, as shown in FIG. The shape may be a reverse truncated quadrangular pyramid that inclines outward and a fitting hole 33 similar to that of the above embodiment may be provided therein. In this case, the inner surface 23 of the top plate support member 7 may be an inclined surface having the same angle as the outer peripheral surface of the downward projection 32 having a reverse truncated quadrangular pyramid shape.

  Moreover, in the said embodiment, although the inner surface 16a of the upward engaging part 16 and the outer surface of the to-be-engaged parts 22 and 41 were made into the circular arc-shaped inclined surface which inclines gradually outward toward upper direction, It is good also as a flat inclined surface instead of making it arcuate.

  The upward protrusion 18 of the base 6 may be a columnar shape, and the fitting hole 33 of the top plate receiving seat 8 may be an upward concave hole that complements the upward protrusion 18 that is a columnar shape.

  Of course, the support leg of the present invention can be applied to a support leg of a desk or other furniture in addition to the above table.

  Further, the pedestal 6 described in the first embodiment and the second embodiment has only the shape of the plan view corresponding to the pedestal 5, and the upper engaging portion 16 and the inner surface 16 a thereof are also provided. Since the shape is the same, the top plate support member 7 described in the first embodiment can be used by being fitted to the pedestal 6 having a planar view shape described in the second embodiment. Conversely, the top plate support member 39 described in the second embodiment can be used by being fitted to the circular pedestal 6 in plan view described in the first embodiment.

It is the perspective view which looked at the table provided with the support leg of the 1st Embodiment of this invention from the downward direction. It is a disassembled perspective view of a support leg. Similarly, it is a perspective view of the state which fitted the top plate support member to the base. Similarly, it is a perspective view of the support leg after completion of assembly. Similarly, it is an enlarged plan view. FIG. 5 is an enlarged longitudinal sectional view taken along line VI-VI in FIG. 4. It is the perspective view which looked at the table provided with the support leg of the 2nd Embodiment of this invention from the downward direction. Similarly, it is a disassembled perspective view of a support leg. Similarly, it is a perspective view of the state which fitted the top plate support member to the base. Similarly, it is an enlarged plan view of the support leg after completion of assembly. It is a perspective view which shows the modification of a top-plate seat and a top-plate support member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Table 2 Top plate 3 Support leg 4 Connecting rod 5 Pillar 6 Pedestal 7 Top plate support member 7a Mounting part 7b Connection part 8 Top plate receiving seat 9 Bolt 9a Male screw 10 Missing cylindrical part 11 Rib 12 Cap 12a Cylindrical fitting part 13 Female thread 14 Adjuster 14a Male thread 15 Female thread 16 Upward engaging part 16a Inner surface 17 Insertion hole 18 Upward projecting part 19 Tubular projecting part 20 Protruding piece 21 Base end part 22 Engaged part 23 Inner face 24 Closure member 25 Protruding part 26 Recess 27 Fitting recess 28 Bottomed hole 29 Insertion hole 30 Bolt 31 Mounting hole 32 Downward protruding portion 33 Fitting hole 34 Inclined surface 35 Projecting piece 36 Inclined receiving surface 37 Washer 38 Support leg 39 Top plate support member 39a Mounting portion 39b Connection part 40 Base end part 41 Engaged part 42 Inner surface 43 Engagement hole 44 Insertion hole

Claims (8)

  A support leg that supports the lower surface of a top plate such as a table, and is provided with a vertically extending pedestal and an upper end of the pedestal, and has a plurality of upward engaging portions at the peripheral edge and a center of the upper surface. A base end portion is fitted between the pedestal formed by projecting a shaft-like upward protrusion on the portion, and at least two upward engagement portions adjacent to each other, and inward from the fitting portion. The base end portion includes a pair of engaged portions whose outer surfaces engage with the inner surfaces of the two adjacent upward engaging portions on both sides of the base end portion of the base end portion, and includes both engaged portions. The top plate supporting member that faces the horizontal direction with the inner surface as an inclined surface that gradually inclines outward, and is placed on the upper surface of the base end portion of the pedestal and the top plate supporting member. The outer peripheral surface has a downward projection that forms an inclined surface that gradually slopes outward at the same angle as the inclined surface, and the upward projection And a top plate seat formed with a fitting hole that can be fitted from above, and the fitting hole in the top plate seat is fitted to the upward projecting portion of the pedestal. Is fixed to the support column by a fastening means, and the inclined surface of the inner surface of the top plate support member is pressed outward by the inclined surface of the downward projecting portion of the top plate seat. The support leg of the top board in the table etc.   The support leg of the top plate in the table etc. of Claim 1 which made the upward protrusion of the base and the fitting hole of the top plate seat into the truncated cone shape which complements each other.   The table according to claim 1 or 2, wherein the downward protrusion of the top plate seat has an inverted truncated conical shape, and the inner surface of the top plate support member that abuts on the outer peripheral surface thereof has an arcuate inclined surface. The support leg of the top plate in etc.   The base end portion of the top plate support member and the lower inner surface of the engaged portion make a complementary shape with a part of the lower outer peripheral surface of the upward projecting portion of the pedestal so as to come into contact therewith. A support leg for the top plate of the table or the like described in Crab.   5. The contact surface between the inner surface of the upward engaging portion of the pedestal and the outer surface of the engaged portion of the top plate support member is an inclined surface that gradually inclines outward toward the upper side. The support leg of the top plate in the table etc. in any one of.   At the central portion between the two engaged portions at the base end portion of the top plate support member, it is possible to engage with the central upward engaging portion of the three upward engaging portions adjacent to each other, and The support leg of the top plate in the table etc. in any one of Claim 1 thru | or 5 which provided the engagement hole which makes a complement.   7. A closure member having the same shape as the base end portion and the engaged portion of the top plate support member is fitted between the adjacent upward engagement portions not having the top plate support member. The support leg of the top plate in the table etc. described.   The fastening means is inserted into the insertion hole provided at the center of the downward projection of the top plate seat and the upward projection of the base and the cylindrical portion at the center of the pedestal, and the upper end of the top plate seat The top leg of the table or the like according to any one of claims 1 to 7, wherein the lower end of the pedestal is a vertically long bolt screwed into a nut or female screw.

Images