Top plate lift type fixture

Abstract

To provide a top plate lift type fixture including a support structure supporting a top plate so as to be vertically displaceable, the top plate lift type fixture being capable of corresponding to a change in an angle relation between the top plate and the support structure.SOLUTION: A top plate lift type fixture includes a top plate 1, and a support structure 2 supporting the top plate 1 from below so as to be displaceable in a vertical direction Z. The support structure 2 has: a top plate support part 6 having an upward surface 6a facing a lower surface 52c of the top plate 1, and connected to the top plate 1; and an angle adjustment part 7 at least partially interposed between the upward surface 6a and the lower surface 52c of the top plate 1 and adjusting an angle formed by the upward surface 6a and the lower surface 52c of the top plate 1.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present invention relates to a liftable tabletop fixture that includes a tabletop and a support structure that supports the tabletop so that it can be displaced in the vertical direction. [Background technology]

[0002] A known fixture has a support column as part of a support structure, and the column extends and retracts in the vertical direction to support a tabletop that can be displaced in the vertical direction. In a fixture with a liftable tabletop, the height of the tabletop can be adjusted to suit the user's needs, for example, to match the height of another piece of furniture (such as a bed) that is to be combined below the tabletop.

[0003] On the other hand, the load caused by the tabletop's own weight or installation errors can cause the tabletop to tilt relative to the support structure, resulting in appearance problems.Technology for preventing the tabletop from tilting by providing a reinforcing member is known, and for example, Patent Document 1 discloses a piece of furniture with a hat-shaped reinforcing metal between the tabletop and the support. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2016-131640 Summary of the Invention [Problem to be solved by the invention]

[0005] However, even with the reinforcing members, the tabletop may tilt relative to the support structure. In particular, in the case of furniture with a support structure that cantilevers the tabletop from below, the unsupported area of ​​the tabletop is constantly biased downward by its own weight, which can cause the tabletop to sag. In addition, in furniture with a liftable tabletop, it is preferable that the support structure extend straight in the vertical direction.

[0006] The present invention aims to provide a liftable tabletop fixture that is equipped with a support structure that supports the tabletop so that it can be displaced in the vertical direction, and that can accommodate changes in the angular relationship between the tabletop and the support structure. [Means for solving the problem]

[0007] A first aspect of the present invention provides a liftable tabletop fixture comprising a tabletop and a support structure that supports the tabletop from below so that the tabletop can be displaced in the vertical direction, the support structure having an upward surface facing the underside of the tabletop, a tabletop support portion that is connected to the tabletop, and an angle adjustment portion, at least a portion of which is interposed between the upward surface and the underside of the tabletop, and that adjusts the angle between the upward surface and the underside of the tabletop.

[0008] According to the first aspect, by providing an angle adjustment unit between the tabletop and the tabletop support, it is possible to set the tabletop angle slightly upward, for example. By setting it in this way, even if the tabletop tends to sag downward due to loads such as the tabletop's own weight or installation errors, the impression of the tabletop sagging can be reduced. In this way, by making it possible to adjust the angle between the tabletop and the support structure of a tabletop lifting fixture, it is possible to prevent deterioration of the appearance.

[0009] A second aspect of the present invention is a tabletop lifting fixture in which, in the tabletop lifting fixture of the first aspect described above, the tabletop support portion may have an angle fixing portion, at least a portion of which is interposed between the upward surface and the underside of the tabletop, and which fixes the tabletop to the tabletop support portion at the angle adjusted by the angle adjustment portion.

[0010] According to the second aspect, the top plate does not fall off from the top plate support part. In the first aspect, the vertical distance between the top plate and the top plate support part increases at the position where the angle adjustment part is provided, but the top plate cannot be separated vertically at the position where the angle fixing part is provided, so the top plate does not fall off from the top plate support part. Furthermore, it is easier to maintain the angle set by the user. In the first aspect, the angle adjustment part generates a repulsive force between the top plate and the top plate support part, making the connection between the top plate and the top plate support part unstable, which makes the angle adjusted by the angle adjustment part more likely to change. By providing the angle fixing part, it is possible to suppress angle changes and prevent deterioration of the external appearance.

[0011] A third aspect of the present invention relates to a tabletop lifting fixture, wherein in the tabletop lifting fixture of the second aspect described above, the angle adjustment portion and the angle fixing portion may be spaced apart in a first direction horizontal to the tabletop support portion.

[0012] According to the third aspect, it is easier for the user to adjust the angle to the desired setting. When the angle adjustment unit and the angle fixing unit are not spaced apart in the first direction, the angle fixing unit suppresses changes in the angle between the tabletop and the tabletop support unit, making it difficult to adjust the angle. When the angle adjustment unit and the angle fixing unit are spaced apart in the first direction, the restraining force from the angle fixing unit is reduced. Therefore, even if the tabletop and the tabletop support unit cannot be separated at the position where the angle fixing unit is provided, the vertical distance between the tabletop and the tabletop support unit at the position where the angle adjustment unit is provided is easily changed, making it easier to adjust the angle using the angle adjustment unit.

[0013] A fourth aspect of the present invention is a lifting tabletop fixture that is a lifting tabletop fixture that is any one of the first to third aspects above, wherein the angle adjustment portion protrudes from one of the tabletop and the tabletop support portion toward the other of the tabletop and the tabletop support portion and abuts against the other, and the angle can be adjusted by adjusting the amount of protrusion in the vertical direction.

[0014] According to the fourth aspect, by adjusting the protrusion of the angle adjustment part, the length between the tabletop and the tabletop support part at the position where the angle adjustment part is provided can be adjusted, and the angle can be adjusted. Therefore, deterioration of the appearance can be suppressed. Furthermore, the angle adjustment part can be made of a common material such as a bolt, making it easy to operate.

[0015] A fifth aspect of the present invention is a lift-top display fixture in which, in the lift-top display fixture in the fourth aspect described above, the top plate may have a thin plate portion at the position where the angle adjustment portion protrudes or where the angle adjustment portion abuts, with the thickness direction being in the vertical direction.

[0016] According to the fifth aspect, the thin plate portion is formed, which increases the variability of the underside of the tabletop, reduces the resistance when operating the angle adjustment portion, and makes it easier to operate the angle adjustment portion.

[0017] A sixth aspect of the present invention is a tabletop lifting fixture according to the fourth aspect, wherein the one part is the tabletop and the other part is the tabletop support part.

[0018] According to the sixth aspect, when attaching the top plate to a support structure that has already been commercialized, the angle adjuster can be disposed without changing the design of the support structure.

[0019] A seventh aspect of the present invention is a liftable tabletop fixture according to any one of the first to third aspects, wherein the angle adjustment section may be provided in multiple locations.

[0020] According to the seventh aspect, by providing a plurality of angle adjustment units, the angle can be adjusted more finely, and deterioration of the appearance can be suppressed.

[0021] The eighth aspect of the present invention is a tabletop lifting fixture in accordance with the second or third aspect above, wherein the angle fixing portion has a first fixing portion fixed to the tabletop, and a second fixing portion connected to the first fixing portion and fixed to the tabletop support portion, and the angle may be maintained by fixing the vertical distance between the tabletop and the tabletop support portion.

[0022] According to the eighth aspect, the top plate and the top plate support portion are fixed by the first fixing portion and the second fixing portion, so that the angle adjusted by the angle adjustment portion can be maintained, and deterioration of the appearance can be suppressed.

[0023] A liftable tabletop fixture according to a ninth aspect of the present invention may be a cantilever support structure in the liftable tabletop fixture according to any one of the first to third aspects.

[0024] According to the ninth aspect, the cantilever support structure makes it easy to place items below the tabletop, making it possible to provide a highly convenient fixture.

[0025] A tenth aspect of the present invention is a liftable tabletop fixture according to any one of the first to third aspects above, wherein the tabletop may have an opening that exposes the angle adjustment section to the outside.

[0026] According to the tenth aspect, the angle adjustment section can be operated from the opening, making it easier to adjust the angle.

[0027] An eleventh aspect of the present invention is the liftable tabletop fixture according to the tenth aspect, wherein the tabletop may have a shielding member that covers the opening.

[0028] According to the eleventh aspect, the opening is hidden from the outside by the shielding member, improving the appearance.

[0029] A twelfth aspect of the present invention is a lift-top display fixture according to the first aspect above, wherein the support structure has a grounding portion that is fixed to the installation surface on which the lift-top display fixture is installed.

[0030] According to the twelfth aspect, even though the support structure is fixed to the installation surface, it is possible to adjust the angle between the top plate and the top plate support part. Even if the installation surface and the grounding part of the support structure are fixed and it is difficult to adjust the angle between the installation surface and the grounding part, it is possible to prevent deterioration of the external appearance. [Effects of the Invention]

[0031] According to the present invention, it is possible to provide a tabletop lifting fixture that is equipped with a support structure that supports the tabletop so that it can be displaced in the vertical direction, and that can accommodate changes in the angular relationship between the tabletop and the support structure. [Brief explanation of the drawings]

[0032] [Figure 1] FIG. 1 is a perspective view showing a liftable tabletop fixture according to a first embodiment. [Figure 2] 1 is a perspective view showing a liftable tabletop fixture according to a first embodiment, with the storage housing removed; FIG. [Figure 3] 1 is a side view showing the liftable tabletop fixture according to the first embodiment, with the storage housing removed. FIG. [Figure 4] FIG. 1 is a plan view showing a display unit with a liftable top. [Figure 5] 1 is a perspective view showing a support frame according to a first embodiment, with a wire receiver, a shielding member, and a cover removed; FIG. [Figure 6] 5 is a cross-sectional view taken along line F1-F1 of the liftable tabletop fixture according to the first embodiment shown in FIG. 4. FIG. [Figure 7] 7 is a cross-sectional view taken along line F2-F2 of the liftable tabletop fixture according to the first embodiment shown in FIG. 6. FIG. [Figure 8]This is a cross-sectional view along line F1-F1 of the liftable tabletop fixture of the first embodiment shown in Figure 4, showing the state in which the angle between the upward surface and the underside of the tabletop has been adjusted by the angle adjustment unit. [Figure 9] FIG. 10 is a perspective view showing a liftable tabletop fixture according to a second embodiment. [Figure 10] 10 is a cross-sectional view taken along line F3-F3 of the liftable tabletop fixture according to the second embodiment shown in FIG. 9. FIG. [Figure 11] 10 is a cross-sectional view taken along line F3-F3 of the liftable tabletop fixture according to the second embodiment shown in FIG. 9, illustrating a modified example. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0033] Hereinafter, an embodiment of a liftable tabletop fixture will be described with reference to the drawings. In the following description, components having the same or similar functions will be assigned the same reference numerals. Duplicate descriptions of those components may be omitted.

[0034] In this specification, the direction perpendicular to the installation surface on which the liftable tabletop fixture of the embodiment is installed is defined as the vertical direction Z. Furthermore, the direction perpendicular to the vertical direction Z is defined as the first direction X. Furthermore, the direction perpendicular to the vertical direction Z and the first direction X is defined as the second direction Y.

[0035] [First embodiment] A liftable tabletop fixture 100 according to the first embodiment will be described with reference to Figures 1 to 8. First, the overall configuration of the liftable tabletop fixture 100 will be described. However, the liftable tabletop fixture 100 does not need to have all of the components described below, and some components may be omitted as appropriate.

[0036] Fig. 1 is a perspective view showing a liftable tabletop fixture 100 according to the first embodiment. Fig. 2 is a perspective view showing the liftable tabletop fixture 100 according to the first embodiment, with the storage housing 3 removed.

[0037] 1 and 2, the liftable tabletop fixture 100 comprises a tabletop 1, a support structure 2, and a storage housing 3. The liftable tabletop fixture 100 is capable of adjusting the angle D between the tabletop 1 and the support structure 2 that supports the tabletop 1 so that it can be displaced in the vertical direction Z.

[0038] The liftable tabletop fixture 100 has a cantilever support structure. Specifically, the tabletop 1 has a first length along the first direction X and a second length along the second direction Y. The second length is greater than the first length. As a result, the tabletop 1 is elongated in the second direction Y and has a first end 1a and a second end 1b spaced apart in the second direction Y. The tabletop 1 is disposed so as to protrude from the support structure 2 toward the second end 1b in a plan view, and the second end 1b is installed in a manner that is not supported by the support structure 2. Here, the tabletop 1 is divided into two regions in the second direction Y. The region of the tabletop 1 located between the center of gravity of the tabletop 1 and the first end 1a in the second direction Y is defined as the first region. The region of the tabletop 1 located between the center of gravity of the tabletop 1 and the second end 1b in the second direction Y is defined as the second region. The support structure 2 supports the tabletop 1 from below in the first region. No support structure is provided on the underside of the second region of the top plate 1.

[0039] In this embodiment, the lifting tabletop fixture 100 has a cantilever support structure, but is not limited to this structure. For example, the support structure 2 may support the tabletop 1 from two locations below, or may support the tabletop 1 from four locations below. In this embodiment, the lifting tabletop fixture 100 has a cantilever support structure, which makes it easy to place items below the tabletop 1, resulting in a highly convenient configuration.

[0040] Fig. 3 is a side view showing the liftable tabletop fixture 100 according to the first embodiment, with the storage housing 3 removed. Fig. 4 is a plan view showing the liftable tabletop fixture 100.

[0041] As shown in FIGS. 3 and 4, the tabletop 1 has a tabletop body 4 and a support frame 5.

[0042] The tabletop body 4 forms the upper surface of the tabletop 1. The tabletop body 4 forms the entire tabletop 1 when viewed from above. In other words, the first length and second length are determined by the tabletop body 4. An operation unit 41 is provided at the bottom of the tabletop body 4. The operation unit 41 sends electrical signals to the extension / contraction section 22 through internal wiring (not shown) to operate the extension / contraction section 22, which will be described later. In this embodiment, the operation unit 41 is arranged so as to protrude from the tabletop body 4 in a plan view. The operation unit 41 is arranged in the same range as the extension / contraction section 22 in the second direction Y of the tabletop body 4.

[0043] FIG. 5 is a perspective view showing the support frame 5 according to the first embodiment, with the wire receiver 55, the shielding member 56, and the cover 57 removed.

[0044] 4 and 5, the support frame 5 has a first layer reinforcing plate (thin plate portion) 51, a second layer reinforcing plate 52, crosspiece members 53, installation members 54, a wire holder 55, a shielding member 56, and a cover 57. The support frame 5 is disposed along the underside of the tabletop main body 4. The support frame 5 supports the tabletop main body 4 from below.

[0045] The first-layer reinforcing plate 51 is provided at a position where the angle adjustment unit 7 (described later) protrudes or abuts against it, with the vertical direction Z being the plate thickness direction. The first-layer reinforcing plate 51 is a plate material provided approximately parallel to the top plate main body 4. The first-layer reinforcing plate 51 overlaps the bottom portion 52a (described later) from above. The first-layer reinforcing plate 51 is formed slightly smaller than the bottom portion 52a in a plan view so as to fit inside the side wall of the second-layer reinforcing plate 52. The first-layer reinforcing plate 51 is made of metal and is elastically deformable.

[0046] The first-layer reinforcing plate 51 has an opening 51d. The opening 51d is smaller than an opening 52d, which will be described later. The opening 51d is formed at a position overlapping the inside of the opening 52d in a plan view. The opening 51d has a rectangular shape in a plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y. The opening 51d makes it easier to operate the angle adjustment unit 7, which will be described later, but is not necessary.

[0047] The second-layer reinforcing plate 52 has a bottom portion 52a and upright portions 52b. The second-layer reinforcing plate 52 is box-shaped with a bottom. The second-layer reinforcing plate 52 has a rectangular shape in plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y. The second-layer reinforcing plate 52 is made of metal and is elastically deformable.

[0048] The bottom 52a has a lower surface 52c and an opening 52d. The bottom 52a is a plate material substantially parallel to the tabletop main body 4. The bottom 52a has a rectangular shape in a plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y. A first-layer reinforcing plate 51 overlaps substantially the entire bottom 52a from above. The first-layer reinforcing plate 51 is fixed to the bottom 52a by welding or fastening. The bottom 52a is formed slightly larger than the first-layer reinforcing plate 51 in a plan view so that the first-layer reinforcing plate 51 fits inside the side wall of the second-layer reinforcing plate 52. A part or the entire lower surface 52c contacts the upward surface 6a of the tabletop support portion 6, which will be described later. The lower surface 52c forms part of the underside of the tabletop 1.

[0049] The opening 52d is formed in a position where a portion thereof overlaps with the top board support portion 6 in a plan view. Therefore, the opening 52d has a portion that does not overlap with the top board support portion 6 in a plan view. The opening 52d is formed larger than the opening 51d. The opening 52d is formed in a position where the opening 51d is contained inside the opening 52d in a plan view. Therefore, the opening 52d has a portion that does not overlap with the opening 51d in a plan view. The opening 51d has a rectangular shape in a plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y.

[0050] The upright portions 52b rise upward from the side edges of the bottom portion 52a to form side walls of the second-layer reinforcing plate 52. The upright portions 52b have a pair of side portions extending in the first direction X and a pair of side portions extending in the second direction Y, and have a rectangular shape in a plan view. As a result, the upright portions 52b extend continuously around the entire periphery of the bottom portion 52a when viewed from above. In this embodiment, the first-layer reinforcing plate 51 and the second-layer reinforcing plate 52 are provided to increase rigidity, but instead, a single reinforcing plate having the configuration of the first-layer reinforcing plate 51 and the second-layer reinforcing plate 52 may be provided, or no reinforcing plate may be provided.

[0051] The crosspiece 53 is connected to the second-layer reinforcing plate 52 and extends in the second direction Y. The crosspiece 53 includes crosspiece 53a and crosspiece 53b. The crosspiece 53 has a rectangular cylindrical shape that is elongated in a cross section in the first direction X. The crosspiece 53a and crosspiece 53b are aligned in the first direction X and spaced apart from each other in the first direction X. The crosspiece 53a and crosspiece 53b are arranged so as to sandwich the second-layer reinforcing plate 52 from both sides in the first direction X. The crosspiece 53 is directly connected to the second-layer reinforcing plate 52 by welding to form an integral unit. However, the crosspiece 53 may be connected to the second-layer reinforcing plate 52 by a method other than welding, such as fastening. The crosspiece 53a and crosspiece 53b extend such that the distance between them in the first direction X narrows as they move from the first end 1a toward the second end 1b. The top surface of the crosspiece 53 is connected to the bottom surface of the top plate main body 4. The crosspiece members 53 support the tabletop main body 4 from below. The presence of the crosspiece members 53 improves the strength of the tabletop 1. Specifically, the bending rigidity of the square-tube crosspiece members 53 allows the weight of the tabletop main body 4 to be supported to some extent. From this point of view, it is desirable that the crosspiece members 53 are vertically long in a cross-sectional view in the first direction X, but they may also be horizontally long.

[0052] The bridging member 54 includes bridging member 54a, bridging member 54b, and bridging member 54c. The bridging member 54 is bridgingly installed between the cross-piece members 53a and 53b. The bridging member 54 extends in the first direction X and is connected to the cross-piece members 53a and 53b. For example, the bridging member 54 has a rectangular cylindrical shape that is elongated vertically when viewed in a cross section in the second direction Y. The bridging member 54a, bridging member 54b, and bridging member 54c are spaced apart in the second direction Y. The bridging member 54a is provided on the first end portion 1a side. The bridging member 54c is provided on the second end portion 1b side. The bridging member 54b is provided between the bridging member 54a and the bridging member 54c. The bridging members 54a and 54b are directly and integrally connected to the second-layer reinforcing plate 52 by welding. However, the installation members 54a and 54b may be joined by a method other than welding, such as fastening. The length of the installation member 54a in the first direction X is greater than the length of the installation member 54b. The length of the installation member 54b in the first direction X is greater than the length of the installation member 54c in the first direction X. The installation member 54 may also support the tabletop main body 4 from below. The presence of the installation member 54 restricts movement of the crosspiece members 53 in the first direction X in a direction in which the two crosspiece members 53 approach each other. Furthermore, since the entire support frame 5 has a ladder shape in a plan view, deformation and damage to the tabletop main body 4 can be prevented even when a load is applied to the top surface of the tabletop main body 4 at a position eccentric to a virtual line (F1-F1 line) passing through the center of the first end 1a of the tabletop 1 in the first direction X. Furthermore, deformation and damage to the tabletop main body 4 can be prevented even when the load is in a direction that twists the support frame 5. In this embodiment, three bridging members 54 are provided to improve the strength of the top board 1, but no bridging members 54 may be provided, or three or more bridging members 54 may be provided.

[0053] The wire receptacle 55 has a bottomed box shape. The wire receptacle 55 has a rectangular shape in plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y. The wire receptacle 55 has a pair of side walls extending in the first direction X and a pair of side walls extending in the second direction Y. The wire receptacle 55 is directly connected to the crosspiece members 53a, 53b, and the installation member 54b by welding to form an integrated unit. However, the wire receptacle 55 may be connected by a method other than welding, such as fastening. Incidentally, the wire receptacle 55 can accommodate wires (not shown) connecting the operating unit 41 and the extension / contraction unit 22, but is not necessarily provided.

[0054] The shielding member 56 covers the opening 52d. The shielding member 56 is a plate member provided approximately parallel to the tabletop main body 4. The shielding member 56 has a rectangular shape in plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y. The shielding member 56 is detachable from the support frame 5. When attached to the support frame 5, the shielding member 56 is in contact with the crosspiece members 53a, 53b, and the installation member 54b.

[0055] The cover 57 has a first cover 57a and a pair of second covers 57b. The cover 57 covers the underside of the tabletop main body 4 and the support frame 5. The first cover 57a extends in the first direction X. The first cover 57a is disposed in contact with the installation member 54c. The second cover 57b extends in the second direction Y. The second cover 57b is disposed outside the crosspiece member 53 in the first direction X. Incidentally, the presence of the cover 57 makes it possible to hide the installation member 54 and the wire receptacle 55, improving the appearance, but it is not necessary.

[0056] Fig. 6 is a cross-sectional view taken along line F1-F1 of the liftable tabletop fixture 100 according to the first embodiment shown in Fig. 4. Fig. 7 is a cross-sectional view taken along line F2-F2 of the liftable tabletop fixture 100 according to the first embodiment shown in Fig. 6.

[0057] 3, 6, and 7, the support structure 2 has a grounding portion 21, an extendable portion 22, a tabletop support portion 6, an angle adjustment portion 7, and an angle fixing portion 8. The support structure 2 supports the tabletop 1 from below so that the tabletop 1 can be displaced in the vertical direction Z. The angle fixing portion 8 includes an angle fixing portion 8a and an angle fixing portion 8b.

[0058] The grounding portion 21 is grounded to the installation surface E. The grounding portion 21 is fixed to the installation surface E. The grounding portion 21 is fastened to the upper surface of the installation surface E via embedded anchor bolts. The installation surface E may be the upper surface of a concrete slab on the building frame side that has the space in which the lifting tabletop fixture 100 is to be installed, or the upper surface of an OA floor placed on the concrete slab. The means for fixing the grounding portion 21 to the installation surface E is preferably an embedded anchor bolt, but a bolt screwed in from above may also be used. The grounding portion 21 does not have to be fixed to the installation surface E. In that case, it is desirable to ensure the length of the grounding portion 21 in the second direction Y so that the bending rigidity of the grounding portion 21 itself can withstand the weight of the tabletop 1.

[0059] The extension / contraction section 22 is formed so as to be extendable and contractible in the vertical direction Z. The lower part of the extension / contraction section 22 is connected to the grounding section 21. The upper part of the extension / contraction section 22 is connected to the lower surface of the tabletop support section 6, and supports the tabletop support section 6 from below. The extension / contraction section 22 supports the tabletop 1 from below via the tabletop support section 6. The extension / contraction section 22 extends and contracts in the vertical direction Z so as to move the lower and upper parts closer to and away from each other, thereby raising and lowering the tabletop 1. In this embodiment, the extension / contraction section 22 has a lifting unit with a telescopic structure and a cover that covers the lifting / contraction unit.

[0060] The tabletop support portion 6 forms the upper portion of the support structure 2 and is a plate member substantially parallel to the first direction X and the second direction Y. The tabletop support portion 6 has an upward surface 6a facing the lower surface 52c of the tabletop 1. The lower portion of the tabletop support portion 6 is connected to the upper portion of the extension portion 22. The upper portion of the tabletop support portion 6 is connected to the lower portion of the tabletop 1. At least a portion of the upward surface 6a contacts the lower surface 52c of the second-layer reinforcing plate 52 that forms the lower portion of the tabletop 1. The tabletop support portion 6 has a rectangular shape in a plan view, with one pair of sides extending in the first direction X and the other pair of sides extending in the second direction Y. In this embodiment, the tabletop support portion 6 is made of resin, but may also be made of metal. The tabletop support portion 6 has an insertion hole 6b into which the angle fixing portion 8 is inserted. The insertion hole 6b has a columnar shape extending in the vertical direction Z. In this embodiment, four insertion holes 6b are provided, and they are spaced apart in the first direction X and the second direction Y. The insertion holes 6b are formed to be radially larger than the angle fixing portion 8 so that a clearance is created between the insertion holes 6b and the outer peripheral surface of the angle fixing portion 8 when the angle fixing portion 8 is inserted. When the angle fixing portion 8 is inserted into the insertion holes 6b, the angle fixing portion 8 and the insertion holes 6b are arranged coaxially with the vertical direction Z as the axial direction.

[0061] The angle adjustment unit 7 has a body 71 and a pressing unit 72. At least a portion of the angle adjustment unit 7 is interposed between the upward surface 6a and the underside 52c of the tabletop 1, and adjusts the angle D between the upward surface 6a and the underside 52c of the tabletop 1. The angle adjustment unit 7 protrudes from the tabletop 1 toward the tabletop support unit 6 and abuts against the tabletop support unit 6. The angle adjustment unit 7 adjusts the angle D by adjusting the amount of protrusion in the vertical direction Z. The angle adjustment unit 7 protrudes from one of the tabletop 1 and the tabletop support unit 6, S, toward the other of the tabletop 1 and the tabletop support unit 6, T, and abuts against the other, T. The angle D can be adjusted by adjusting the amount of protrusion in the vertical direction Z. In this embodiment, the one side S is the tabletop 1, and the other side T is the tabletop support unit 6. The angle adjustment unit 7 is, for example, a bolt.

[0062] The angle adjustment unit 7 is provided at a position overlapping with the opening 52d and the tabletop support unit 6 in a plan view, but not overlapping with the opening 51d. The angle adjustment unit 7 is provided at a position separated from the angle fixing unit 8b in the second direction Y, and is provided closer to the second end 1b than the angle fixing unit 8b. The angle adjustment unit 7 is preferably provided at the end of the tabletop support unit 6 closer to the second end 1b. A plurality of angle adjustment units 7 may be provided, and two are provided in this embodiment. The two angle adjustment units 7 are provided spaced apart in the first direction X.

[0063] The body portion 71 is partially embedded in the top plate 1 in the vertical direction Z. The body portion 71 extends upward from the upper end of the pressing portion 72. The body portion 71 is cylindrical and extends in the vertical direction Z. A convex portion is formed in a spiral shape on the outer surface of the body portion 71. A spiral shape means, for example, a shape that rotates around the outer surface and progresses in the vertical direction Z. The lower part of the body portion 71 is embedded in the first layer reinforcing plate 51. The upper part of the body portion 71 is exposed above the first layer reinforcing plate 51.

[0064] The pressing portion 72 abuts against the top plate support portion 6. The upper end of the pressing portion 72 is connected to the lower end of the body portion 71. The lower surface of the pressing portion 72 abuts against the upward surface 6a of the top plate support portion 6. The pressing portion 72 is columnar and extends in the vertical direction Z. It is preferable that the pressing portion 72 be rotatable using a wrench or the like, and may be, for example, hexagonal in plan view. In addition, the pressing portion 72 may be made easier to rotate by forming an uneven portion on its outer periphery.

[0065] In this embodiment, a bolt is used for the angle adjustment unit 7. Furthermore, in this embodiment, loosening prevention is prevented by applying an anti-loosening material to the contact area between the bolt and the first layer reinforcing plate 51. However, the angle adjustment unit 7 is not limited to a bolt, and any other unit can be used as long as it can adjust the length in the vertical direction Z between the tabletop 1 and the tabletop support unit 6. For example, it can be configured to adjust by inserting multiple thin plates, or it can be a jack. In this embodiment, because the angle adjustment unit 7 is a bolt, it can be easily operated using a tool such as a wrench.

[0066] The angle fixing portion 8 has a first fixing portion 81 and a second fixing portion 82. At least a portion of the angle fixing portion 8 is interposed between the upward surface 6a and the bottom surface 52c of the tabletop, and fixes the tabletop 1 to the tabletop support portion 6 at an angle D adjusted by the angle adjustment portion 7. The angle adjustment portion 7 and the angle fixing portion 8 are spaced apart in a first direction X that is horizontal to the tabletop support portion 6. A plurality of angle fixing portions 8 may be provided, and four are provided in this embodiment.

[0067] The tabletop support portion 6, the first layer reinforcing plate 51, and the second layer reinforcing plate 52 are fixed together by an angle fixing portion 8. The angle fixing portion 8a is provided on the second end 1b side of the tabletop support portion 6. The angle fixing portion 8b is provided at a position spaced apart from the angle adjustment portion 7 and the angle fixing portion 8a in the second direction Y, and is provided closer to the first end 1a side than the angle adjustment portion 7 and the angle fixing portion 8a. It is preferable that the angle fixing portion 8b be provided at the end of the tabletop support portion 6 closer to the first end 1a side. The angle fixing portion 8b is, for example, a bolt that is inserted into an insertion hole 6b formed in the tabletop support portion 6.

[0068] Angle fixing portion 8 has a cylindrical shape extending in the vertical direction Z. A convex portion is formed in a spiral shape on the outer surface of angle fixing portion 8. A spiral shape refers to, for example, a shape that advances in the vertical direction Z while rotating around the outer surface. In angle fixing portion 8, second fixing portion 82 is formed below first fixing portion 81, and first fixing portion 81 and second fixing portion 82 are connected.

[0069] The first fixing portion 81 is fixed to the tabletop 1. The second fixing portion 82 is fixed to the tabletop support portion 6. The angle D is maintained by fixing the distance in the vertical direction Z between the tabletop 1 and the tabletop support portion 6.

[0070] In this embodiment, bolts are used for the angle fixing parts 8. However, the angle fixing parts 8 are not limited to bolts, and may be configured to fix the tabletop 1 and the tabletop support parts 6 by sandwiching them from the vertical direction Z.

[0071] The storage housing 3 is arranged so as to cover the support structure 2. The storage housing 3 is installed on an installation surface E. The storage housing 3 is directly fixed to the installation surface E. However, the storage housing 3 may not be directly fixed to the installation surface E, but may simply be grounded on the installation surface E. Note that the storage housing 3 and the support structure 2 may be fixed to each other, but in this embodiment, the support structure 2 is not fixed to prevent it from receiving vibrations or impacts from the storage housing 3.

[0072] Next, the operation of the liftable tabletop fixture 100 will be described.

[0073] Figure 8 is a cross-sectional view along line F1-F1 of the liftable tabletop fixture 100 of the first embodiment shown in Figure 4, and shows the state in which the angle D between the upward surface 6a and the underside 52c of the tabletop 1 has been adjusted by the angle adjustment unit 7.

[0074] The user can remove shielding member 56 by moving shielding member 56 downward. Removing shielding member 56 exposes opening 52d, which in turn exposes angle adjustment unit 7. In this state, angle adjustment unit 7 can be operated by inserting a tool into opening 52d, so simply removing shielding member 56 makes it possible to prepare for operation of angle adjustment unit 7.

[0075] With the shielding member 56 removed, the user operates the angle adjustment unit 7 by passing a tool through the opening 52d. Because the angle adjustment unit 7 can be operated when the shielding member 56 is removed, the user does not need to take the trouble of disassembling the lift-top display unit 100 when adjusting the angle D. There are no restrictions on the tool that can be used, and for example, if the angle adjustment unit 7 has a hexagonal column-shaped pressing portion 72, the user can use a hex wrench or monkey wrench. The user can operate the tool while the tabletop main body 4 is installed on the support frame 5. By setting an initial angle for the tabletop 1, it is possible to make the tabletop 1 appear as nearly horizontal as possible even if it sags downward.

[0076] When operating the angle adjustment unit 7, the user places a tool against the pressing portion 72 and rotates the pressing portion 72. Rotating the pressing portion 72 also rotates the body portion 71. When the body portion 71 rotates, the spiral convex portion also rotates, and the amount of protrusion of the angle adjustment unit 7 in the vertical direction Z changes depending on the direction of rotation. When the amount of protrusion of the angle adjustment unit 7 in the vertical direction Z changes, the length in the vertical direction Z between the tabletop 1 and the tabletop support portion 6 changes at the portion connected to the angle adjustment unit 7. When the length in the vertical direction Z between the tabletop 1 and the tabletop support portion 6 changes, the angle D between the tabletop 1 and the tabletop support portion 6 changes because there is a portion that is not separated in the vertical direction Z by the angle fixing portion 8b. By utilizing the effect of this angle change, the angle D between the tabletop 1 and the tabletop support portion 6 can be adjusted.

[0077] Increasing the amount of protrusion of the angle adjustment part 7 in the vertical direction Z increases the length in the vertical direction Z between the table top 1 and the table top support part 6. When the length in the vertical direction Z between the table top 1 and the table top support part 6 increases, the angle D between the table top 1 and the table top support part 6 increases.

[0078] Reducing the amount of protrusion of the angle adjustment part 7 in the vertical direction Z reduces the length in the vertical direction Z between the table top 1 and the table top support part 6. When the length in the vertical direction Z between the table top 1 and the table top support part 6 reduces, the angle D between the table top 1 and the table top support part 6 reduces.

[0079] If the angle adjustment part 7 is a right-hand thread bolt, rotating the pressing part 72 clockwise increases the amount of protrusion of the angle adjustment part 7 in the vertical direction Z. In other words, rotating the pressing part 72 clockwise increases the angle D between the tabletop 1 and the tabletop support part 6.

[0080] If the angle adjustment part 7 is a right-hand thread bolt, rotating the pressing part 72 counterclockwise reduces the amount of protrusion of the angle adjustment part 7 in the vertical direction Z. In other words, rotating the pressing part 72 counterclockwise reduces the angle D between the tabletop 1 and the tabletop support part 6.

[0081] When the tabletop 1 has sagged downward, the angle D between the tabletop 1 and the tabletop support part 6 can be adjusted to be larger, so that the tabletop 1 appears to be approximately parallel to the ground. For example, if the angle adjustment part 7 is a right-hand threaded bolt, rotating the pressing part 72 clockwise can prevent the tabletop 1 from losing its appearance when it sagged downward.

[0082] When the tabletop 1 is warped upward too much, adjusting the angle D between the tabletop 1 and the tabletop support part 6 to be smaller will make the tabletop 1 appear to be approximately parallel to the ground. For example, if the angle adjustment part 7 is a right-hand threaded bolt, rotating the pressing part 72 counterclockwise can prevent the deterioration of the appearance of the tabletop 1 that has warped upward too much.

[0083] Even when angle D is adjusted by angle adjustment unit 7, the vertical length Z between table top 1 and table top support unit 6 does not change at the position where angle fixing unit 8 is provided. At this time, because first-layer reinforcing plate 51 and second-layer reinforcing plate 52 elastically deform, the vertical length Z between table top 1 and table top support unit 6 changes slightly at the position where angle adjustment unit 7 is provided. Furthermore, adjustment margins are provided between the outer peripheral surface of angle fixing unit 8 and insertion hole 6b in table top support unit 6, and between first-layer reinforcing plate 51 and second-layer reinforcing plate 52, so that table top 1 can tilt by the amount of this clearance relative to table top support unit 6. Therefore, even if there is a portion where the vertical length Z between table top 1 and table top support unit 6 does not change due to angle fixing unit 8, angle D changes.

[0084] When adjusting the angle D using the angle adjustment unit 7, the length in the vertical direction Z between the tabletop 1 and the tabletop support unit 6 does not change at the position where the angle fixing unit 8 is provided, so that large changes in the angle D can be suppressed.

[0085] As described above, the liftable tabletop fixture 100 of this embodiment includes a tabletop 1 and a support structure 2 that supports the tabletop 1 from below so that the tabletop 1 can be displaced in the vertical direction Z. The support structure 2 has an upward surface 6a facing the underside 52c of the tabletop 1 and includes a tabletop support part 6 that is connected to the tabletop 1, and an angle adjustment part 7 that is at least partially interposed between the upward surface 6a and the underside 52c of the tabletop 1 and that adjusts the angle D between the upward surface 6a and the underside 52c of the tabletop 1. With this configuration, by providing the angle adjustment part 7 between the tabletop 1 and the tabletop support part 6, it is possible to set the angle D slightly upward, for example. This setting can reduce the impression that the tabletop 1 is sagging, even if the tabletop 1 attempts to sag downward due to a load caused by the tabletop 1's own weight or an installation error. In this way, by making the angle D of the liftable tabletop fixture 100 adjustable, deterioration in the appearance can be suppressed.

[0086] The tabletop support portion 6 has an angle fixing portion 8, at least a portion of which is interposed between the upward surface 6a and the underside 52c of the tabletop 1, that fixes the tabletop 1 to the tabletop support portion 6 at the angle D adjusted by the angle adjustment portion 7. This configuration prevents the tabletop 1 from falling off the tabletop support portion 6. Although the distance between the tabletop 1 and the tabletop support portion 6 in the vertical direction Z increases when the angle adjustment portion 7 is provided, the tabletop 1 cannot be separated in the vertical direction Z at the position where the angle fixing portion 8 is provided, so the tabletop 1 will not fall off the tabletop support portion 6. Furthermore, the angle D set by the user is easily maintained. Because the angle adjustment portion 7 generates a repulsive force between the tabletop 1 and the tabletop support portion 6, the connection between the tabletop 1 and the tabletop support portion 6 becomes unstable, making the angle D adjusted by the angle adjustment portion 7 more likely to change. However, by providing the angle fixing portion 8, changes in the angle D can be suppressed, thereby preventing a deterioration in the appearance.

[0087] The angle adjustment unit 7 and the angle fixing unit 8 are spaced apart in the first direction X that is horizontal to the tabletop support unit 6. This configuration makes it easier for the user to adjust to the angle D they wish to set. If the angle adjustment unit 7 and the angle fixing unit 8 were not spaced apart in the first direction X, the angle fixing unit 8 would suppress changes in the angle between the tabletop 1 and the tabletop support unit 6, making it difficult to adjust the angle D. However, if the angle adjustment unit 7 and the angle fixing unit 8 are spaced apart in the first direction X, the restraining force from the angle fixing unit 8 is reduced, making it easier to adjust the angle D with the angle adjustment unit 7.

[0088] The angle adjustment unit 7 protrudes from one of the table top 1 and the table top support unit 6, S, towards the other of the table top 1 and the table top support unit 6, T, and abuts against the other, T, and adjusts the amount of protrusion in the vertical direction Z to adjust the angle D. According to this configuration, by adjusting the amount of protrusion of the angle adjustment unit 7, it is possible to adjust the length between the table top 1 and the table top support unit 6 at the position where the angle adjustment unit 7 is provided, and to adjust the angle D. Therefore, deterioration of the external appearance can be suppressed.

[0089] The tabletop 1 has a thin plate portion (first-layer reinforcing plate 51) whose plate thickness direction is in the vertical direction Z at a position where the body portion 71 is embedded or where the pressing portion 72 abuts. According to this configuration, the formation of the thin plate portion increases the variability of the underside 52c of the tabletop 1, making it easier to operate the angle adjustment unit 7.

[0090] One S is the tabletop 1, and the other T is the tabletop support part 6. With this configuration, when attaching the tabletop 1 to a support structure 2 that has already been commercialized, the angle adjustment part 7 can be arranged without changing the design of the support structure 2.

[0091] There are provided a plurality of angle adjustment units 7. According to this configuration, the presence of a plurality of angle adjustment units 7 allows the angle D to be adjusted more finely, and deterioration of the appearance can be suppressed.

[0092] The angle fixing unit 8 has a first fixing portion 81 fixed to the tabletop 1 and a second fixing portion 82 connected to the first fixing portion 81 and fixed to the tabletop support portion 6, and maintains the angle D by fixing the distance in the vertical direction Z between the tabletop 1 and the tabletop support portion 6. According to this configuration, the tabletop 1 and the tabletop support portion 6 are fixed by the first fixing portion 81 and the second fixing portion 82, so that the angle D adjusted by the angle adjustment unit 7 can be maintained and deterioration of the appearance can be suppressed.

[0093] The liftable tabletop fixture 100 has a cantilever support structure. This cantilever support structure makes it easier to place items below the tabletop 1, providing a highly convenient fixture.

[0094] The tabletop 1 has an opening 52d that exposes the angle adjustment unit 7 to the outside. According to this configuration, the angle adjustment unit 7 can be operated through the opening 52d, making it easier to adjust the angle D.

[0095] The top plate 1 has a shielding member 56 that covers the opening 52d. According to this configuration, the opening 52d is hidden from the outside by the shielding member 56, which improves the appearance.

[0096] The support structure 2 has a grounding portion 21 that is fixed to the installation surface E on which the liftable tabletop fixture 100 is installed. With this configuration, even though the support structure 2 is fixed to the installation surface E, it is possible to adjust the angle D between the tabletop 1 and the tabletop support portion 6. Even if the installation surface E and the grounding portion 21 of the support structure 2 are fixed and it is difficult to adjust the angle between the installation surface E and the grounding portion 21, it is possible to prevent deterioration in the appearance.

[0097] [Second embodiment] 9 and 10, a liftable tabletop fixture 100B according to the second embodiment will be described. First, the overall configuration of the liftable tabletop fixture 100B will be described. However, the liftable tabletop fixture 100B does not need to have all of the components described below, and some components may be omitted as appropriate.

[0098] Fig. 9 is a perspective view showing a liftable tabletop fixture 100B according to the second embodiment. Fig. 10 is a cross-sectional view taken along line F3-F3 of the liftable tabletop fixture 100B according to the second embodiment shown in Fig. 9.

[0099] In the liftable tabletop fixture 100B, the tabletop 1B has a reinforcing plate (thin plate portion) 58B instead of the first layer reinforcing plate and the second layer reinforcing plate, as shown in Fig. 10. The liftable tabletop fixture 100B has two support structures 2B, as shown in Fig. 9.

[0100] The reinforcing plate 58B is provided between the table top main body 4B and the table top support portion 6B. The reinforcing plate 58B is a plate-shaped member with the thickness direction in the vertical direction Z. The reinforcing plate 58B supports the table top main body 4B from below. The reinforcing plate 58B is connected to the underside of the table top main body 4B. The reinforcing plate 58B is supported from below by the table top support portion 6B of the support structure 2B. At least a portion of the reinforcing plate 58B is connected to the upper part of the table top support portion 6B.

[0101] The reinforcing plate 58B has a recess on its underside. The recess is formed at a position where a portion of the recess overlaps with the top plate support portion 6B in a plan view. The recess also has a portion that does not overlap with the top plate support portion 6B in a plan view. The recess is substantially rectangular parallelepiped-shaped and has surfaces extending in the first direction X and the second direction Y. When the recess is viewed from the second direction Y, an opening 59B is formed by an upper edge extending in the first direction X and a pair of side edges extending in the vertical direction Z. The opening 59B is formed at the end of the top plate support portion 6B in the first direction X in a plan view.

[0102] The two support structures 2B are spaced apart in the first direction X. The support structures 2B are respectively provided at ends of the tabletop 1B that are spaced apart in the first direction X. The support structure 2B has a tabletop support portion 6B. The tabletop support portion 6B is formed to be approximately the same size as the extension portion of the support structure 2B in a plan view. The tabletop support portion 6B has an angle adjustment portion 7B at the position of a recess in the reinforcing plate 58B in a plan view. The angle adjustment portion 7B and the angle fixing portion 8B are spaced apart in the second direction Y. Because the support structures 2B are spaced apart in the first direction X, the angle adjustment portions 7B are also provided in two locations spaced apart in the first direction X.

[0103] This embodiment achieves the same effects as the first embodiment. In addition, in this embodiment, two support structures 2B are provided. By providing two support structures 2B, the tabletop 1B can be supported more firmly. Furthermore, the angle adjustment units 7B are provided in two locations that are farther apart than the angle adjustment units 7 in the first embodiment, allowing for even finer adjustment of the angle D than in the first embodiment. This has the effect of suppressing deterioration in the appearance of the tabletop lifting fixture 100B.

[0104] (Variation) FIG. 11 is a cross-sectional view taken along line F3-F3 of a liftable tabletop fixture 100C, which is a modified example of the liftable tabletop fixture 100B according to the second embodiment shown in FIG.

[0105] As shown in FIG. 11, the angle adjustment portion 7C and the angle fixing portion 8C of the liftable tabletop fixture 100C are spaced further apart in the second direction Y than those of the liftable tabletop fixture 100B.

[0106] According to the tabletop lifting fixture 100C, the angle adjusting portion 7C and the angle fixing portion 8C are spaced further apart in the second direction Y than in the tabletop lifting fixture 100B, so that the angle D can be adjusted more precisely than in the tabletop lifting fixture 100B. This has the effect of preventing deterioration in the appearance of the product.

[0107] Although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, substitutions, and modifications can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, as well as within the scope of the invention described in the claims and their equivalents. [Explanation of symbols]

[0108] 100...top lift type fixture, 1...top, 2...support structure, 3...storage housing, 4...top body, 5...support frame, 6...top support part, 7...angle adjustment part, 8...angle fixing part, 21...grounding part, 51...first layer reinforcing plate, 52...second layer reinforcing plate, 52c...underside, 52d...opening, 53...crosspiece member, 54...mounting member, 55...wiring holder, 56...shielding member, 57...cover, 6a...upward surface, body part...71, pressing part...72, first fixing part...81, second fixing part...82, E...installation surface, X...first direction, Y...second direction, Z...vertical direction, D...angle between the upward surface of the top support part and the underside of the top

Claims

1. The top plate and a support structure that supports the tabletop from below so that the tabletop can be displaced in the up and down direction; Equipped with The support structure includes: a top plate support portion having an upward surface facing the lower surface of the top plate and connected to the top plate; an angle adjusting section, at least a portion of which is interposed between the upward surface and the lower surface of the top plate, for adjusting the angle formed between the upward surface and the lower surface of the top plate; having Display unit with a liftable top.

2. the tabletop support portion has an angle fixing portion, at least a portion of which is interposed between the upward surface and the underside of the tabletop, and which fixes the tabletop to the tabletop support portion at the angle adjusted by the angle adjusting portion. The tabletop lifting fixture according to claim 1.

3. The angle adjustment portion and the angle fixing portion are spaced apart in a first direction horizontal to the tabletop support portion. The tabletop lifting fixture according to claim 2.

4. the angle adjustment portion protrudes from one of the tabletop and the tabletop support portion toward the other of the tabletop and the tabletop support portion and abuts against the other, and adjusts the angle by adjusting the amount of protrusion in the vertical direction. A display unit with a liftable top according to any one of claims 1 to 3.

5. The top plate has a thin plate portion, the thickness of which is in the up-down direction, at a position where the angle adjustment portion protrudes or where the angle adjustment portion abuts. The tabletop lifting fixture according to claim 4.

6. The one is the top plate, The other is the top plate support portion. The tabletop lifting fixture according to claim 4.

7. The angle adjustment unit is provided in plurality. A display unit with a liftable top according to any one of claims 1 to 3.

8. The angle fixing unit is a first fixing portion fixed to the top plate; a second fixing portion connected to the first fixing portion and fixed to the top plate support portion; and The angle is maintained by fixing the vertical distance between the tabletop and the tabletop support portion. A display unit with a liftable top according to claim 2 or claim 3.

9. It is a cantilever support structure, A display unit with a liftable top according to any one of claims 1 to 3.

10. The top plate has an opening that exposes the angle adjustment unit to the outside. A display unit with a liftable top according to any one of claims 1 to 3.

11. The top plate has a shielding member that covers the opening. The tabletop lifting fixture according to claim 10.

12. The support structure has a grounding portion fixed to the installation surface on which the lifting table furniture is installed. The tabletop lifting fixture according to claim 1.

Images