Leg unit and sink-equipped cabinet using same

Abstract

To provide a leg unit and a cabinet with a sink having sufficient strength [Solution] A leg unit 100 used in a sink-equipped cabinet comprises a leg base 10 made of a metal rod material, having vertical rod portions 11 with through holes 111, a first crosspiece 12 connecting the pair of vertical rod portions 11 at the top, and a second crosspiece 13 connecting the pair of vertical rod portions 11 at a position below the first crosspiece 12; a surface material 20 having a groove portion 21 on the back surface for accommodating the vertical rod portion 11; and a fastener 30 which is inserted into the through holes 111 with the vertical rod portion 11 accommodated in the groove portion 21, thereby fixing the surface material 20 to the leg base 10.

Description

[Technical Field]

[0001] The present invention relates to a leg unit and a sink-equipped cabinet using the same. [Background technology]

[0002] Cabinets with sinks are used as kitchen counters, washstands, etc. Cabinets with sinks are required to be waterproof because they are used in places where water is used.

[0003] For example, some system kitchens include a frame made of a combination of square pipes, a countertop, and shelves. For example, Patent Document 1 discloses an invention relating to a frame kitchen in which H-shaped leg members and a reinforcing frame attached to the underside of the connecting frame of the H-shaped leg members are connected with screws. Furthermore, Patent Document 2 discloses an invention relating to a frame that can be used in system kitchens and the like, in which multiple cubic or rectangular parallelepiped frame units are connected to each other. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2007-029375 [Patent Document 2] Japanese Patent Application Publication No. 2023-174440 Summary of the Invention [Problem to be solved by the invention]

[0005] Patent Document 1 describes the use of aluminum alloys or the like for the frame, while Patent Document 2 describes the use of iron or the like for the frame unit. For example, in cases where functionality is more important than decoration, such as in commercial kitchens, using a metal frame is good, but it gives an inorganic and rugged impression. On the other hand, there is a latent need to use materials other than metal, such as soft and warm wood, for kitchens and sink cabinets used in residential spaces.

[0006] The frame of a cabinet with a sink can be made of wood such as solid wood or laminated wood, but from the standpoint of strength, it is necessary to use wood that is relatively thick.

[0007] An object of the present invention is to provide a leg unit and a cabinet with a sink that have sufficient strength. [Means for solving the problem]

[0008] The present invention is summarized as follows.

[0009] A leg unit used in a cabinet with a sink, a leg base made of a metal bar material, the leg base having vertical rod portions with through holes, first crosspiece portions connecting the pair of vertical rod portions at the upper part, and second crosspiece portions connecting the pair of vertical rod portions at a position below the first crosspiece; a surface material having a groove on the back surface for accommodating the vertical rod portion; a fastener that is inserted into the through hole with the vertical rod portion accommodated in the groove portion to fix the surface material to the leg base body. [Effects of the Invention]

[0010] According to the present invention, it is possible to obtain a leg unit and a cabinet with a sink that have sufficient strength. [Brief explanation of the drawings]

[0011] [Figure 1]FIG. 1 shows the configuration of the leg unit, where (a) is a top view and (b) is a side view. [Figure 2] FIG. 2 shows the leg base body, where (a) is a top view, (b) is a side view, and (c) is a front view. [Figure 3] FIG. 3 is a perspective view showing a part of the surface material. [Figure 4] FIG. 4 is a diagram showing a state in which a surface material is attached to a leg base body. [Figure 5] FIG. 5 is a diagram showing a state in which a surface material is attached to a leg base body according to another example. [Figure 6] FIG. 6 is a side view showing how the cross rails, the top plate, and the shelf plate are attached to the leg units. [Figure 7] FIG. 7 is a front view showing how the cross rails, the top plate, and the shelf plate are attached to the leg units. [Figure 8] FIG. 8 is a perspective view showing the configuration of the kitchen. [Figure 9] FIG. 9 is a perspective view showing a state in which a horizontal rail is attached to a leg unit according to another example. DETAILED DESCRIPTION OF THE INVENTION

[0012] First, the leg unit according to this embodiment will be described with reference to the drawings, followed by the sink cabinet. In the drawings, the depth direction of the sink cabinet is designated as the X direction, the width direction of the sink cabinet as the Y direction, and the height direction of the sink cabinet as the Z direction. In the following description, the "same" length allows for a tolerance of -2 to +2 mm.

[0013] [Leg Unit 100] Fig. 1 shows the configuration of the leg unit, with (a) being a top view and (b) being a side view. Fig. 2 shows the leg base, with (a) being a top view, (b) being a side view, and (c) being a front view. Fig. 3 is a perspective view showing a part of the surface material. Fig. 4 shows the state in which the surface material is attached to the leg base.

[0014] As shown in FIG. 1, the leg unit 100 according to this embodiment includes a leg base 10, a surface material 20, and a fastener 30.

[0015] (Leg base 10) 1, 2, and 4, the leg base 10 is made of a metal rod and has vertical rod portions 11, first crosspiece portions 12 connecting the pair of vertical rod portions 11 at the top, and second crosspiece portions 13 connecting the pair of vertical rod portions 11 at a position below the first crosspiece portions 12. The leg base 10 may further have a third crosspiece portion 14 connecting the pair of vertical rod portions 11 at a position below the second crosspiece portions 13. There are no restrictions on the material of the leg base 10 as long as it has the strength required for the structure of the sink-equipped cabinet 800. There are no restrictions on the method of connecting the vertical rod portions 11, first crosspiece portions 12, and second crosspiece portions 13, but welding is preferred.

[0016] As shown in FIG. 4, the vertical bar portion 11 has a through-hole 111. The through-hole 111 is located particularly between the first cross-piece portion 12 and the second cross-piece portion 13. The fastener 30 is inserted into the through-hole 111. For example, in a cross section perpendicular to its axial direction (Z direction), the vertical bar portion 11 has a length (depth) in the depth direction (X direction) of the sink-equipped cabinet 800 that is smaller than a length (width) in the width direction (Y direction) of the sink-equipped cabinet 800. With this configuration, the groove portion 21 in the surface member 20 can be made shallower, increasing the degree of freedom in the shape of the surface member 20. For example, the cross-sectional shape of the vertical bar portion may have a depth:width ratio of 1:1 to 3, with the depth being set in the range of 5 to 20 mm and the width being set in the range of 10 to 50 mm. The cross-sectional shape may be rectangular or square.

[0017] The first cross-section 12 and the second cross-section 13 preferably have a cross-sectional shape similar to that of the vertical bar 11. For example, the cross-sectional shape of the first cross-section 12 and the second cross-section 13 may have a height:width ratio of 1:1 to 3, with the height being set in the range of 5 to 20 mm and the width being set in the range of 10 to 50 mm. The first cross-section 12 and the second cross-section 13 preferably have through-holes (not shown), similar to the vertical bar 11. A fastener similar to fastener 30 is inserted into this through-hole, and the first cross-section 41 and the second cross-section 42 are connected by this fastener.

[0018] The dimensions of the leg base 10 are set depending on the application of the sink-equipped cabinet 800. For example, in the case of a system kitchen, the height of the leg base 10 (Z direction) may be set in the range of 750 to 920 mm to match the height to the top surface of the tabletop 50 (usually 800 to 950 mm) and the thickness of the tabletop 50 (usually 20 to 50 mm). For example, in the case of a washbasin, the height may be set in the range of 700 to 820 mm to match the height to the top surface of the tabletop 50 (usually 750 to 850 mm) and the thickness of the tabletop 50 (usually 20 to 50 mm).

[0019] For example, in the case of a system kitchen, the depth (X direction) of the leg base 10 may be set in the range of 500 to 1000 mm to match the depth of the tabletop 50 (normally 550 to 1000 mm). For example, in the case of a washbasin, the depth may be set in the range of 450 to 650 mm to match the depth of the tabletop 50 (normally 500 to 650 mm).

[0020] The width (Y direction) of the leg base 10 is preferably as small as possible to increase the degree of freedom in the shape of the surface material 20, but a certain degree of width is necessary to ensure the structural strength required. For example, the width of the leg base 10 may be set in the range of 10 to 50 mm.

[0021] The material of the leg base 10 can be, for example, metal such as iron, stainless steel, aluminum alloy, etc. Furthermore, if it is solid, the cross-sectional area can be made smaller, which has the advantage of increasing the degree of freedom in the shape of the surface material, and if it is hollow, the mass can be reduced, so the material can be selected appropriately depending on the required performance.

[0022] As shown in the examples of Figures 1 and 2, the leg base 10 may further include a third crosspiece 14 or a fourth crosspiece (not shown). When the third crosspiece 14 or the fourth crosspiece (not shown) is provided, it becomes possible to add another or two shelves. The material and shape of the third crosspiece 14 or the fourth crosspiece (not shown) are the same as those of the first crosspiece 12 and the second crosspiece 13.

[0023] In the leg base 10 , the first crosspiece 12 is connected below the upper end of the vertical rod 11 , so that the first horizontal crosspiece 41 can be attached to the upper surface of the first crosspiece 12 .

[0024] (Surface material 20) 1, 3, and 4, the surface material 20 has a groove 21 on the back surface 20a (the end surface on the far side in the depth direction) that accommodates the vertical rod portion 11. There are no restrictions on the shape of the groove 21, but it is preferable that the depth of the groove 21 is equal to or greater than the depth of the vertical rod portion 11. This is to make the accommodated vertical rod portion 11 less visible.

[0025] When a flat head screw is used as the fastener 30, a female screw 22 is provided on the bottom surface of the groove 21 at a position corresponding to the through hole 111 of the vertical rod 11. The female screw 22 is formed using, for example, a built-in nut. Alternatively, a wood screw can be used.

[0026] There are no particular restrictions on the shapes of the front surface (the end surface on the near side in the depth direction) and side surfaces (both end surfaces in the width direction) of the surface material 20, and they can be freely set to flat surfaces, curved surfaces, or a combination of these, depending on the specifications of the sink-equipped cabinet 800. However, taking into consideration the fit with the second horizontal rail portion 42, etc., it is preferable that at least the area of ​​the back surface 20a adjacent to the groove portion 21 (the area 5 to 10 mm from the boundary between the groove portion 21 and the back surface 20a) be flat.

[0027] The surface material 20 can be made of solid wood, laminated wood, or composite materials such as laminated wood, wood fiberboard, or birch wood with a fine wood veneer or resin sheet attached to the surface; wood surface materials such as compressed wood, synthetic wood, and artificial wood; or resin surface materials such as recycled plastic. Because the structural strength of the sink-equipped cabinet 800 is ensured by the leg base 10, the surface material 20 does not need to be structurally strong. Furthermore, because the surface material 20 is attached to the leg base 10 with fasteners 30, materials that are susceptible to deformation due to moisture absorption can be used. Therefore, the leg unit 100 according to this embodiment has the advantage of allowing for a high degree of freedom in the type of tree used as the surface material. For example, materials with low specific gravity and low strength, such as paulownia, cypress, poplar, and walnut, can be used as the surface material. Furthermore, because the cross-sectional area can be reduced compared to when structural strength is required, the design flexibility is increased, resulting in a leg unit with excellent design. Therefore, for example, the depth (X direction) of the surface material 20 in a cross section perpendicular to the longitudinal direction can be 25 to 60 mm, and the width (Y direction) can be 25 to 60 mm. In particular, by making both the depth (X direction) and width (Y direction) 35 mm or less, a leg unit with a sharper impression can be obtained. In this regard, the same effect can be obtained even with materials with low strength, such as recycled plastic. Furthermore, manufacturing costs can be reduced compared to when legs are manufactured from wooden materials such as solid wood.

[0028] (fastener 30) 1 and 4, fastener 30 is inserted into through-hole 111 of vertical rod 11 with vertical rod 11 housed in groove 21 of the surface material, and then fastened in this state to fix surface material 20 to leg base 10. Fastener 30 is, for example, a male screw such as a flat head screw or wood screw.

[0029] When the leg base 10 is attached as a leg of the sink-equipped cabinet 800, the fastener 30 is placed in a position that cannot be seen from the front of the sink-equipped cabinet 800, thereby improving the design of the sink-equipped cabinet 800.

[0030] (Another embodiment of the leg unit) FIG. 5 is a diagram showing a state in which a surface material is attached to a leg base body according to another example. As shown in FIG. 5, the vertical bar portion 11a has a through-hole 111a. Similar to the previous example, the through-hole 111a is located particularly between the first crosspiece 12 and the second crosspiece 13. A fastener 30a is inserted into the through-hole 111a. In this example, the fastener 30a is a wood screw, and the through-hole 111a conforms to the shape of the wood screw. In a cross section perpendicular to its axial direction (Z direction), the vertical bar portion 11a has the same length (depth) in the depth direction (X direction) and the same length (width) in the width direction (Y direction) of the sink-equipped cabinet 800. That is, the cross-sectional shape of the vertical bar portion 11a has a depth:width ratio of 1:1. The surface material 20a is formed with a groove 21a conforming to the shape of the vertical bar portion 11a. As in the previous example, the depth of the groove 21a is equal to or greater than the depth of the vertical bar portion 11a.

[0031] In the example shown in Fig. 4, the vertical bar 11 needs to have a large width to ensure strength. However, when using vertical bar 11a with equal depth and width, as in the example shown in Fig. 5, the width can be made relatively small, allowing the width (length in the Y direction) of groove 21a formed in surface material 20a to be narrowed. As a result, the width (length in the Y direction) of vertical wall 22a sandwiching groove 21a can be increased, which has the advantage of making vertical wall 22a less susceptible to breakage. From this perspective, the width / depth ratio of the cross-sectional shape of vertical bar 11a is preferably 1.5 or less, more preferably 1.3 or less, and more preferably 1.1 or less.

[0032] When using wood screws as fasteners 30, no special processing is required on the bottom surface of groove portion 21, but providing spare holes to accommodate wood screws makes it easier to prevent cracks when attaching to surface material 20a.

[0033] [Cabinet with sink] Fig. 6 is a side view showing how the cross bars, top plate, and shelf board are attached to the leg unit. Fig. 7 is a front view showing how the cross bars, top plate, and shelf board are attached to the leg unit. Note that the sink attached to the top plate is omitted in each figure.

[0034] 6 and 7, the sink-equipped cabinet 800 according to this embodiment includes leg units 100, cross bars 40 that connect the leg units 100, a top plate 50, and a shelf 60. The sink-equipped cabinet 800 refers to a cabinet that includes a sink, such as a kitchen sink or bathroom sink.

[0035] (40 crosspieces) 6 and 7, the horizontal crosspiece 40 includes at least a first horizontal crosspiece portion 41 and a second horizontal crosspiece portion 42. The horizontal crosspiece 40 may also include a third horizontal crosspiece portion 43. Although not shown, the horizontal crosspiece 40 may also include a fourth horizontal crosspiece portion. The number of horizontal crosspieces 40 can be changed depending on the specifications of the sink-equipped cabinet.

[0036] The first horizontal rails 41 include a front-side rail portion that connects the front end 12aa of the first rail 12a of any leg unit 100a and the front end 12ba of the first rail 12b of another leg unit 100b, and a rear-side rail portion that connects the rear end 12ab of the first rail 12a of any leg unit 100a and the rear end 12bb of the first rail 12b of another leg unit 100b. This pair of first horizontal rails 41 connects the given leg unit 100a and the other leg units 100b. Because the tabletop 50 is disposed above the first horizontal rails 41, the first horizontal rails 41 are arranged in pairs, each consisting of a front-side rail portion and a rear-side rail portion.

[0037] The thickness (length in the Z direction) of the first horizontal rail portion 41 is sufficient to ensure the structural strength of the sink-equipped cabinet 800 and may be set to balance the design with the width (length in the Y direction) of the surface material 20. However, the end of the first horizontal rail portion 41 is provided with notches 411 (411a, 411b) having the same dimensions as the first rail portion 12. With the notches 411 (411a, 411b) positioned at the ends 12aa, 12ab, 12ba, and 12bb of the first rail portion 12, the first horizontal rail portion 41 and the first rail portion 12 are connected with fasteners (not shown). The thickness of the notches 411 is preferably the same as the length from the top surface of the first rail portion 12 to the upper end of the vertical bar portion 11 in the Z direction.

[0038] The second horizontal rail 42 includes at least the rear end 13ab of the second rail 13a of any one of the leg units 100a. The second horizontal rail 42 may further include a front side rail that connects the front end 13aa of the second rail 13a of any one of the leg units 100a and the front side 13ba of the second rail 13b of another leg unit 100b. For example, when a shelf 60 is placed above the second horizontal rail 42, the second horizontal rail 42 is arranged in a pair consisting of a front side rail and a rear side rail. The same applies when a drawer or the like is placed on the shelf 60. Furthermore, when a shelf 60 is not placed above the second horizontal rail 42, only the rear side rail of the second horizontal rail 42 is arranged. For example, this applies when installing a rail-type drawer, a dishwasher, a freestanding cabinet, or when providing space for a trash can or the like.

[0039] Like the first horizontal bar 41, the thickness (length in the Z direction) of the second horizontal bar 42 is sufficient to ensure the structural strength of the sink-equipped cabinet 800 and may be set to a design balance with the width (length in the Y direction) of the surface material 20. However, like the first horizontal bar 41, the end of the second horizontal bar 42 has notches 421 (421a, 421b) of the same dimensions as the second horizontal bar 13, and is connected to the second horizontal bar 13 at this portion.

[0040] The third horizontal rail 43 includes at least a rear-side rail portion that connects the rear-side end 14ab of the third rail 14a of any leg unit 100a and the rear side 14bb of the third rail 14b of another leg unit 100b. The third horizontal rail 43 may further include a front-side rail portion that connects the front-side end 14aa of the third rail 14a of any leg unit 100a and the front side 14ba of the third rail 14b of another leg unit 100b. For example, when a shelf 60 is placed above the third horizontal rail 43, the third horizontal rail 43 is arranged as a pair consisting of a front-side rail portion and a rear-side rail portion. When a shelf 60 is not placed above the third horizontal rail 43, only the rear-side rail portion of the third horizontal rail 43 is arranged. The same applies when, for example, a cabinet, a small dishwasher, or the like is placed on the shelf 60. Other examples include installing a freestanding dishwasher, installing a freestanding cabinet, installing a rail-type drawer, or providing space for storing a trash can or the like.

[0041] Like the first horizontal bar 41, the thickness (length in the Z direction) of the third horizontal bar 43 is sufficient to ensure the structural strength of the sink-equipped cabinet 800 and may be set to a design balance with the width (length in the Y direction) of the surface material 20. However, like the first horizontal bar 41, the end of the third horizontal bar 43 has notches 431 (431a, 431b) of the same dimensions as the third horizontal bar 14, and is connected to the third horizontal bar 14 at this portion.

[0042] The length of crosspiece 40 can be freely set to match the width of sink-equipped cabinet 800. For example, the length of crosspiece 40 is 900 mm for a standard washbasin and 1500 to 3200 mm for a standard kitchen. Examples of materials for crosspiece 40 include wood materials such as laminated wood and solid wood.

[0043] The same shaped crosspieces can be used for the first horizontal crosspiece 41, the second horizontal crosspiece 42, and the third horizontal crosspiece 43. This allows for the use of common components, thereby reducing manufacturing costs and improving workability.

[0044] In the sink-equipped cabinet 800, the first horizontal rail 41 and the second horizontal rail 42 are positioned so that they contact the back surface of the surface material 20, causing the surface material 20 to protrude forward. This results in a design that differs from kitchens made with metal frames, commonly known as frame kitchens. In addition, a door can be installed flush with the surface material 20.

[0045] (Tabletop) 6 and 7, the top plate 50 is placed on a pair of first horizontal bars 41. At this time, a bar 45 having the same thickness as the thickness of the first horizontal bars 41 excluding the notches 411 (411a, 411b) is placed on top of the first horizontal bars 12. This prevents a gap from being formed between the top plate 50 and the first horizontal bars 12 when the sink-equipped cabinet 800 is viewed from the width direction (Y direction).

[0046] (Shelf) As shown in FIGS. 6 and 7 , the shelf 60 is disposed between the pair of second horizontal bars 42. That is, the shelf 60 has a width (length in the X direction) equal to the length (length in the X direction) of the second bar 13 minus the width (length in the X direction) of the pair of second horizontal bars 42, and has the same length (length in the Y direction) as the second horizontal bars 42. The thickness of the shelf 60 is equal to the length (length in the Z direction) of the second horizontal bar 42 minus the height (length in the Z direction) of the notches 421 (421a, 421b). This allows the top surfaces of the shelf 60 and the second horizontal bars 42 to be flush with each other. Depending on the specifications of the sink-equipped cabinet, some or all of the shelf 60 may be omitted.

[0047] (Another embodiment of a cabinet with a sink) Although the examples shown in Figures 6 and 7 show the use of two leg units, the sink cabinet may use three or more leg units. The following explanation will be given using a kitchen as an example. Figure 8 is an exploded view showing the configuration of the kitchen.

[0048] 8, the kitchen 900 includes four leg units 90 (90a, 90b, 90c, and 90d), cross bars 91 (first cross bar portion 91a, second cross bar portion 91b, and third cross bar portion 91c) that connect the leg units 90, a countertop 92, and shelf boards 93, 93. Each leg unit 90 includes a leg base 901, a surface material 902, and fasteners (not shown).

[0049] The first horizontal crosspiece 91a and the second horizontal crosspiece 91b have notches not only at positions (ends) corresponding to the end leg units 90a and 90d, but also at positions corresponding to the intermediate leg units 90b and 90d, which are connected to the first and second crosspieces of the respective leg units. In this way, by adjusting the length of the horizontal crosspieces 91 and the positions of the notches, sink-equipped cabinets of various shapes can be manufactured, providing a high degree of design freedom.

[0050] FIG. 9 is a perspective view showing a state in which a cross rail is attached to a leg unit according to another example. FIG. 9 shows an example of a sink-equipped cabinet that includes four leg units 101 (101a, 101b, 101c, 101d) and before the top plate, shelves, etc. are attached. As shown in the frontmost leg unit 101a, in this leg unit 101 (101a), the attachment positions of the second cross rail 130 (130a) and the third cross rail 140 (140a) are the same as those in the example shown in FIG. 2, etc., but the attachment position of the first cross rail 120 is different. That is, in this leg unit 101 (101a), the first cross rails 120 (120a, 120b, 120c, 120d) are connected at the upper ends of the vertical rods (not shown). When using this leg unit 101, the first horizontal bar 41a is placed below the first cross bar 120 (120a, 120b, 120c, 120d) and connected by fasteners 300. A groove capable of accommodating the first cross bar 120 is formed in the first horizontal bar 41a at a position corresponding to the first cross bar 120. The connections between the second horizontal bar 42a and the third horizontal bar 43a and the second cross bar 130 and the third cross bar 140 are similar to those in the example shown in FIG. 2 and other figures. Similar to the first horizontal bar 41a, the second horizontal bar 42a and the third horizontal bar 43a also have grooves capable of accommodating the second cross bar 130 and the third cross bar 140. A tabletop (not shown) is attached to the top surface of the first horizontal bar 41a. [Industrial Applicability]

[0051] According to the present invention, it is possible to provide a leg unit and a cabinet with a sink that have sufficient strength. [Explanation of symbols]

[0052] 100 Leg unit 10 Leg base 11 Vertical bar 111 Through hole 12 First pier 13 Second crosspiece 14 Third crosspiece 20 Surface material 20a back 21 Groove 30 Fasteners 800 Cabinet with sink 40 Crosspiece 50 Top Plate 60 shelves 41 First crosspiece 42 Second crosspiece 43 Third crosspiece 900 Kitchen 90 Leg unit 901 Leg base 902 Surface material 91 Horizontal Bar 92 Top plate 93,94 Shelf 101, 101a, 101b, 101c, 101d Leg unit 120,120a,120b,120c,120d First cross section 130, 130a, 130b, 130c, 130d Second crosspiece 140,140a,140b,140c,140d Third pier 40a Horizontal bar 41a First crosspiece 42a Second crosspiece 43a Third crosspiece

Claims

1. A leg unit used in a cabinet with a sink, a leg base made of a metal bar material, the leg base having vertical rod portions with through holes, first crosspiece portions connecting the pair of vertical rod portions at the upper part, and second crosspiece portions connecting the pair of vertical rod portions at a position below the first crosspiece; a surface material having a groove on the back surface for accommodating the vertical rod portion; a fastener that is inserted into the through hole with the vertical rod portion accommodated in the groove portion to fix the surface material to the leg base body.

2. The fastener is a male screw, the groove portion has a female screw at a position facing the through hole, The leg unit according to claim 1 , wherein the surface material is fixed to the leg base by inserting the male screw into the through hole and threading it into the female screw.

3. The leg unit according to claim 1 or 2; a horizontal beam connecting the leg units; The top plate and A shelf board and The horizontal beam is a pair of first horizontal rails connected to ends of the first rails of an arbitrary leg unit and ends of the first rails of another leg unit corresponding to the ends of the first rails of the arbitrary leg unit and connecting the arbitrary leg unit and the other leg unit; a second horizontal rail portion connected to an end of the second rail portion of the arbitrary leg unit and an end of the second rail portion of the other leg unit corresponding to the end of the second rail portion, and connecting the arbitrary leg unit and the other leg unit; Equipped with A cabinet with a sink, wherein the top plate is placed on the pair of first horizontal rails.

4. A pair of second horizontal beam portions is provided, The shelf board is disposed between the pair of second horizontal beam portions. The cabinet with sink according to claim 3.

5. The cabinet with a sink according to claim 3, which is a kitchen or bathroom sink.

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