JP2020069345A - Top board elevation type furniture - Google Patents

Abstract

To provide top board elevation type furniture capable of suppressing the occurrences of swinging, vibrations, noise, or the like and stably supporting a top board.SOLUTION: Top board elevation type furniture 100 includes a top board 11 and a plurality of support leg bodies 2 for supporting the top board 11. The support leg bodies 2 each includes: a pair of lifting legs 3 liftable in a vertical direction and arranged separated from each other in a forward and backward direction; a lower connection part 5 for connecting lower ends 31d of the pair of lifting legs 3 with a tip 60b projecting from the lifting leg 3 in a forward and backward direction; and first installation members 90 and second installation members 70 provided at lower ends of the lower connection part 5 and installable on a floor surface F. In plan view, the first installation members 90 are arranged at positions overlapping lower ends 31d of the lifting legs 3 or between the pair of lifting legs 3, and the second installation members 70 are arranged so as to overlap the tip 60b of the lower connection part 5.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a top-and-bottom type furniture.

  Generally, in office spaces such as offices and public facilities, desks are installed to provide users with a work area. The height of the top plate, which is easy to work with, varies depending on the posture, physique, sex, preference, etc. of the user. For this reason, a top-bottom lifting fixture is used in which the height of the top can be changed up and down.

  As a technique for raising and lowering the top plate, for example, a method using a gas spring, a method using a gear, and the like are known (see Patent Documents 1 and 2 below).

  Since the top-bottom lifting fixtures described in Patent Documents 1 and 2 have a simple structure, the cost can be kept low. However, it may be difficult for a user with weak strength to operate, or the user may be forced to take an unreasonable posture in order to raise or lower the tabletop depending on the height of the tabletop.

  Therefore, in order to improve the operability when raising and lowering the top plate, a technique for raising and lowering the top plate using an electric drive unit is widely known (see Patent Document 3 below).

Japanese Patent No. 3371959 Japanese Patent No. 3391285 JP, 2016-86909, A

  However, in these top-bottom lifting and lowering fixtures, when lifting the top plate, the legs supporting the top plate may shake, vibrate, or make noise. Also, when the top plate is stopped at a high position, the length of the legs becomes long, so the legs will shake at the moment of stopping, and the force of the user leaning on the top plate during work will cause the top plate to sway. Also, there is a problem that the legs that support the top plate easily shake.

  The present invention has been made in view of the above circumstances, and includes a tabletop lifting / lowering fixture that can suppress the occurrence of shaking, vibration, abnormal noise, and the like, and can stably support the tabletop. Is provided.

In order to achieve the above object, the present invention employs the following means.
That is, the ceiling-plate lifting-type furniture according to the present invention includes a ceiling plate and a plurality of support legs that support the ceiling plate, and the support legs can be vertically moved up and down, and can be moved in the front-back direction. A pair of elevating legs arranged apart from each other, a lower connecting part that connects the lower end portions of the pair of elevating legs to each other, and a tip end portion of the elevating leg protruding in the front-rear direction, and a lower end part of the lower connecting portion. And a first installation member and a second installation member that can be installed on the floor surface, and in a plan view, the first installation member overlaps the lower end of the elevating leg or a pair of the elevating legs. And the second installation member is arranged so as to overlap the tip of the lower connecting portion.

  In the ceiling-plate lifting-type furniture configured in this way, the first installation member and the second installation member provided at the lower end of the lower connecting portion can be installed on the floor surface. In a plan view, the first installation member is arranged at a position overlapping the lower end of the elevating leg or between the pair of elevating legs, and the second installation member is arranged overlapping the distal end of the extending leg in the extending direction. There is. As described above, the first installation member arranged at a position overlapping with the lower end of the elevating leg in a plan view or between the pair of elevating legs and the second installation member arranged at the tip of the extending leg are the supporting legs. Since the weight of the top plate that acts on the top plate and the weight of the article placed on the top plate are supported, the top plate can be stably supported. In addition, the first installation member can suppress the shaking of the top-and-bottom type furniture, vibration, generation of abnormal noise, and the like.

  In addition, in the ceiling-plate lifting-type furniture according to the present invention, the lower connecting portion is provided at a connecting leg portion that connects the lower end portions of the pair of the elevating legs and the lower end portion of the elevating leg, and forms a pair. An extension leg extending in a direction away from the elevating leg, the first installation member is provided at a lower end of the connecting leg, and the second installation member is the extension leg. May be provided at the tip end in the extending direction.

  In the ceiling-plate lifting / lowering fixture configured in this manner, the lower connecting portion is separated from the connecting leg portion that connects the lower end portions of the pair of elevating legs and the other elevating leg paired from the lower end portion of the elevating leg. An extending leg portion extending in the direction. Therefore, by changing only the extending leg portion, it is possible to deal with the top plate having various sizes and shapes.

  In addition, in the ceiling-panel lifting / lowering fixture according to the present invention, the extending direction of the extending leg portion may be changeable with respect to the extending direction of the connecting leg portion.

  In the tabletop lifting-type furniture configured in this way, the extending direction of the extending leg portion can be changed with respect to the extending direction of the connecting leg portion, so depending on the size or shape of the ceiling plate, The extending direction of the extending leg portion can be changed to cope with the change.

  In addition, in the ceiling-plate lifting-type furniture according to the present invention, a protrusion protruding upward and an engagement protrusion arranged on an outer peripheral side of the protrusion are provided at an upper portion of the connecting leg, and the extension is provided. A recessed portion that is recessed upward and a plurality of engagement recessed portions that are circumferentially spaced apart from each other are formed in the lower portion of the projecting leg portion, and the protrusion is disposed in the recessed portion. The engagement protrusion may be selectively engaged with any one of the engagement recesses of the plurality of engagement recesses.

  In the ceiling-plate lifting-type furniture configured in this way, the protrusion of the connecting leg is arranged in the recess of the extending leg to position the connecting position between the connecting leg and the extending leg. The extending direction of the extending leg can be adjusted by selectively engaging the engaging protrusion of the connecting leg with any one of the engaging recesses of the extending leg.

  Further, in the top-panel lifting-type furniture according to the present invention, a connecting member is fixed to a lower end portion of the elevating leg, and the extending leg portion is sandwiched between the connecting member and the connecting leg portion, The connection leg portion and the connection member may be screwed together.

  In the ceiling-plate lifting / lowering fixture configured in this manner, the extension leg is fixed between the connecting leg fixed to the lower end of the elevating leg and the connecting leg while the connecting leg and the connecting member are fixed. Has been done. Therefore, the lifting leg, the connecting leg portion, and the extending leg portion can be connected with each other by screwing once.

  Further, the ceiling plate lifting type furniture according to the present invention includes a ceiling plate and a plurality of support legs that support the ceiling plate, and the supporting legs are vertically movable elevator legs, and An extending leg portion extending from the lower end portion of the elevating leg along the floor surface, a lower end portion of the elevating leg portion or a lower end portion of the extending leg portion, and a first installation member that can be installed on the floor surface, A second installation member that is provided at a lower end portion of the extension leg portion and that can be installed on the floor surface, and the first installation member is arranged to overlap the lower end portion of the elevating leg in a plan view. In addition, the second installation member is arranged so as to overlap the tip end portion in the extension direction in which the extension leg portion extends.

  In the ceiling-plate lifting-type furniture configured in this way, the first installation member provided at the lower end of the elevating leg or the lower end of the extension leg and the lower end of the tip of the extension leg in the extension direction are provided. The provided second installation member can be installed on the floor surface. Articles placed on the top plate and the weight of the top plate acting on the support leg, with the first installation member arranged directly below the elevating leg and the second installation member arranged at the tip of the extending leg part Since it supports the weight of, the top plate can be stably supported. In addition, the first installation member can suppress the shaking of the top-and-bottom type furniture, vibration, generation of abnormal noise, and the like.

  In addition, in the ceiling-panel lifting-type furniture according to the present invention, it is preferable that the second installation member is arranged on the outer side in the left-right direction with respect to the first installation member.

  In the ceiling-plate lifting / lowering fixture configured in this way, the second installation member is arranged more laterally outward than the first installation member. Therefore, it is possible to increase the support strength for supporting the top plate by the support legs when the load is applied from the outer side to the inner side in the left-right direction of the top plate, and the shaking and vibration of the top-and-bottom type fixtures, It is possible to further suppress the generation of abnormal noise.

  In addition, in the top-bottom lifting fixture according to the present invention, the first installation member and the second installation member may be arranged to overlap the top plate in a plan view.

  In the ceiling-plate lifting / lowering fixture configured in this manner, the first installation member and the second installation member are arranged so as to overlap the top plate in a plan view. Therefore, when a plurality of top-panel elevating fixtures are arranged adjacent to each other, the support legs do not interfere with each other by disposing the top boards adjacent to each other.

  ADVANTAGE OF THE INVENTION According to the ceiling-plate lifting-type furniture which concerns on this invention, generation | occurrence | production of a shake, a vibration, an abnormal noise, etc. can be suppressed, and the ceiling plate can be supported stably.

It is the perspective view which looked at the top board rise-and-fall type furniture which concerns on one embodiment of the present invention from the upper part. It is the perspective view which looked at the top board rise-and-fall type furniture which concerns on one embodiment of the present invention from the lower part. It is an exploded perspective view of a support leg of a top-and-bottom lifting fixture according to an embodiment of the present invention. FIG. 3 is an exploded perspective view of a lower connecting portion of the top-bottom lifting fixture according to the embodiment of the present invention. It is sectional drawing of the lower part of the support leg of the top-and-bottom type furniture which concerns on one Embodiment of this invention. It is the perspective view which looked at the extension leg of the top-and-bottom type furniture from one side of one embodiment of the present invention. It is a side view of the top-and-bottom-type furniture according to one embodiment of the present invention. It is a top view of the top-and-lowering-type furniture which concerns on one Embodiment of this invention. It is the (a) perspective view and the (b) top view of the top board raising / lowering fixture which concerns on the modification 1 of one Embodiment of this invention. It is the (a) perspective view and the (b) top view of the top board raising / lowering fixture which concerns on the modification 2 of one Embodiment of this invention. It is the (a) perspective view and the (b) top view of the top board raising / lowering fixture which concerns on the modification 3 of one Embodiment of this invention. It is a (a) perspective view and a (b) top view of the top board lifting type fixture concerning the modification 4 of one embodiment of the present invention. It is the (a) perspective view and the (b) top view of the top board raising / lowering fixture which concerns on the modification 5 of one Embodiment of this invention. It is the (a) perspective view and the (b) top view of the top board raising / lowering fixture which concerns on the modification 6 of one Embodiment of this invention. It is a perspective view of the top-panel lifting-type fixture which concerns on the modification 7 of one Embodiment of this invention. It is a side view of the top-panel lifting-type fixture which concerns on the modification 8 of one Embodiment of this invention.

Hereinafter, a table device, which is an example of a table-top lifting fixture according to an embodiment of the present invention, will be described with reference to the drawings.
FIG. 1 is a perspective view of a ceiling-plate lifting / lowering fixture according to an embodiment of the present invention as seen from above. FIG. 2 is a perspective view of the top-bottom lifting fixture according to the embodiment of the present invention as seen from below.
As shown in FIGS. 1 and 2, the table device 100 includes a support structure 1 installed on the floor surface F, and a top plate 11 supported by the support structure 1.
In the following description, the front-back direction of the table device 100 viewed from the user (the direction from the lower right side of the paper surface to the upper left side of the paper surface of FIG. 1) is referred to as the front-back direction of the table device 100. The user side facing the table device 100 is referred to as the front side, and the opposite side is referred to as the rear side. Of the horizontal directions, the direction orthogonal to the front-back direction of the table device 100 is referred to as the left-right direction of the table device 100. The vertical direction viewed from the user is referred to as the vertical direction of the table device 100.

  The support structure 1 connects a pair of legs (support legs) 2 arranged apart from each other in the left-right direction and upper portions of the pair of legs 2 to each other, and an upper connecting rod 15 extending in the left-right direction (FIG. 2). The same shall apply hereinafter).

  Each leg 2 has a pair of lift legs 3A and 3B that are spaced apart in the front-rear direction, and a leg support frame 4 that connects the upper portions of the pair of lift legs 3A and 3B (see FIG. 2; the same applies hereinafter). And a base leg body (lower connecting portion) 5 that connects the lower end portions of the elevating legs 3A and 3B to each other.

  As shown in FIG. 1, the lifting legs 3A are arranged on the front side. The elevating leg 3B is arranged on the rear side. The lifting legs 3A and 3B may be collectively referred to as the lifting legs 3.

  Each elevating leg 3 has a lower leg portion 31 fixed to the base leg body 5, and an upper leg portion 36 accommodated in the lower leg portion 31 so as to be vertically movable.

  The lower leg portion 31 and the upper leg portion 36 are formed, for example, in a cylindrical shape, but may be in a square tubular shape or the like, and the horizontal cross-sectional shape may be any tubular shape. The vertical length of the elevating leg 3 can be adjusted by retracting the upper leg 36 in the vertical direction with respect to the lower leg 31.

FIG. 3 is an exploded perspective view of the leg body 2. In FIG. 3, the configurations of a joint member 50, end base legs 60A and 60B, an intermediate base leg 80, and the like, which will be described later, are shown in a simplified manner.
As shown in FIG. 3, a leg fixing portion 37 extending toward the center in the left-right direction is provided at the upper end portion of the upper leg portion 36. An opening 41 that is recessed upward is formed on the lower surface of the leg support frame 4.

  Each leg fixing portion 37 is arranged in the opening 41 of the leg support frame 4 and is connected to the leg support frame 4. In this way, the upper ends of the pair of front and rear lifting legs 3 are connected by the leg support frame 4.

  As shown in FIG. 2, the left and right leg support frames 4 are connected by an upper connecting rod 15. The leg support frame 4 and the upper connecting rod 15 are fixed to the lower surface 11d of the top plate 11. The leg support frame 4 and the upper connecting rod 15 constitute a top plate fixing portion 10 fixed to the top plate 11. The lifting leg 3 may be directly fixed to the lower surface 11d of the top plate 11.

  As shown in FIG. 3, the base leg body 5 includes a pair of joint members (coupling members) 50, a pair of end base legs (extending leg portions) 60A and 60B, and a pair of outer adjusters (second installation member). ) 70, an intermediate base leg (coupling leg portion) 80 that couples the pair of front and rear elevating legs 3 to each other, and a pair of inner adjusters (first installation member) 90.

FIG. 4 is an exploded perspective view of the base leg body 5. In FIG. 4, only one of the pair of the joint member 50, the end base leg 60, and the outer adjuster 70 is shown.
As shown in FIG. 4, the joint member 50 has a circular pedestal portion 51, a rectangular pedestal portion 52, and a lower bulge portion 53.

  The circular pedestal portion 51 is formed in a substantially circular shape in a plan view and has a predetermined vertical thickness. The rectangular pedestal portion 52 is provided above the circular pedestal portion 51. The rectangular pedestal portion 52 is formed in a substantially square shape in a plan view and has a predetermined vertical thickness.

  The diagonal length of the rectangular pedestal 52 is slightly longer than the diameter of the circular pedestal 51. In other words, the four corners 52a of the rectangular pedestal 52 are arranged outside the circular pedestal 51 in a plan view. A through hole 52h penetrating in the vertical direction is formed in the center of the rectangular pedestal portion 52 in plan view.

FIG. 5 is a cross-sectional view of the lower portion of the leg body 2 and is a vertical cross-sectional view along the front-rear direction.
As shown in FIG. 5, the outer dimensions of the rectangular pedestal portion 52 are substantially the same as or slightly shorter than the inner diameter dimension of the lower leg portion 31 of the elevating leg 3. An insertion hole 52j that communicates from the rectangular pedestal portion 52 to the circular pedestal portion 51 and penetrates in the vertical direction is formed. The insertion holes 52j are formed at four places.

  A bottom plate 32 having a circular shape in plan view is provided at a lower end portion inside the lower leg portion 31. The rectangular pedestal portion 52 is arranged below the bottom plate 32 of the elevating leg 3 and is fitted to the lower end portion of the lower leg portion 31. The screw 57 inserted through the insertion hole 52j of the joint member 50 is screwed into the bottom plate 32 of the lower leg portion 31. Thereby, the joint member 50 is fixed to the lower leg portion 31.

  The lower bulging portion 53 projects downward from the lower portion of the circular pedestal portion 51. The lower bulging portion 53 has a substantially frustoconical shape whose diameter decreases as it goes downward.

  A screw hole 53h that communicates with the circular pedestal portion 51 from the lower bulging portion 53 and penetrates in the up-down direction is formed. The screw hole 53h communicates with the through hole 52h of the rectangular pedestal portion 52.

  As shown in FIG. 1, the end base legs 60A and 60B are provided on the lower end portion 31d of the elevating leg 3 and extend in a direction away from the other pair of elevating legs 3. The end base legs 60A and 60B are arranged along the floor surface F. The end base legs 60A and 60B may be collectively referred to as the end base legs 60.

  In the present embodiment, the end base leg 60A extends forward from the lower end 31d of the elevating leg 3. Specifically, the end base leg 60A is arranged so as to gradually move toward the outer side in the left-right direction (the side opposite to the center side in the left-right direction) as it goes forward.

  The end base leg 60B extends rearward from the lower end 31d of the elevating leg 3. Specifically, the end base leg 60B is arranged so as to gradually move toward the outer side in the left-right direction (the side opposite to the center side in the left-right direction) toward the rear.

  The end portion base leg 60 is arranged with the tip end portion 60b side in the extending direction facing outward in the left-right direction from the base end portion 60a (connection portion with the elevating leg 3) side.

  As shown in FIG. 4, an upper cylindrical portion 61 extending upward is formed at the base end portion 60a of the end base leg 60. The upper cylindrical portion 61 has a substantially circular shape in plan view. As shown in FIG. 5, the upper end portion 61u of the upper cylindrical portion 61 is disposed in contact with the lower end portion 31d of the lower leg portion 31 of the elevating leg 3. Further, the upper end portion 61u of the upper cylindrical portion 61 is disposed in contact with the lower end portion 52d of the corner portion 52a of the rectangular pedestal portion 52 of the joint member 50.

FIG. 6 is a perspective view of the end base leg 60 as viewed from below.
As shown in FIG. 6, a through hole 61h that communicates from the upper cylindrical portion 61 to the lower surface 60d of the end base leg 60 and penetrates in the up-down direction is formed.

  An annular portion 62 that protrudes radially inward from the inner peripheral surface of the through hole 61h is formed in the middle of the through hole 61h in the vertical direction. The annular portion 62 has a substantially annular shape in plan view.

  As shown in FIG. 5, the through hole 61 h includes an upper through hole portion 61 a above the annular portion 62, an intermediate through hole portion 61 b formed inside the annular portion 62, and a lower through hole below the annular portion 62. It is configured by a hole (recess) 61c. The lower through-hole portion 61c has a shape that is recessed upward from the lower surface 60d of the end base leg 60.

  The diameter dimension of the upper through-hole portion 61a is slightly longer than or substantially the same as the diameter dimension of the circular pedestal portion 51 of the joint member 50. The circular pedestal portion 51 of the joint member 50 is fitted into the upper through hole portion 61 a of the end base leg 60.

  The lower bulging portion 53 of the joint member 50 is arranged over the upper through hole portion 61a, the intermediate through hole portion 61b, and the lower through hole portion 61c of the end base leg 60.

  As shown in FIG. 6, the inner peripheral surface 61e forming the lower through hole portion 61c of the end base leg 60 is provided with a rib 63 protruding inward in the radial direction. The ribs 63 are provided at four locations along the inner peripheral surface 61e with a space in the circumferential direction. The rib 63 has a shape in which the protruding dimension in the radial direction gradually increases as it goes upward.

  On the lower surface 60d of the base end 60a of the end base leg 60, a plurality of engagement recesses 64 that are recessed upward are formed along the circumferential direction on the outer peripheral side of the lower through hole 61c. The engaging recesses 64 are formed at 10 positions with a space in the circumferential direction.

  The lower surface 60d of the tip portion 60b of the end base leg 60 has a mounting hole 60j penetrating in the vertical direction.

  As shown in FIG. 4, each outer adjuster 70 has a shaft portion 71 and a ground portion 72.

  A male screw is provided on the outer peripheral surface of the shaft portion 71. The shaft portion 71 of each outer adjuster 70 is screwed into the mounting hole (see FIG. 6) 60j of each end base leg 60.

FIG. 7 is a side view of the table device 100.
As shown in FIG. 7, the ground contact portion 72 can be installed on the floor surface F. The height of the outer adjuster 70 can be adjusted by adjusting the screwing amount of the shaft portion 71 of the outer adjuster 70.

  As shown in FIG. 4, the intermediate base leg 80 has an intermediate body 81 and an end fixing portion 82.

  As shown in FIG. 1, the intermediate main body 81 is arranged between the pair of front and rear lifting legs 3. The intermediate main body 81 is arranged so as to extend along the front-rear direction.

  As shown in FIG. 4, the end portion fixing portions 82 are provided at both ends in the extending direction of the intermediate main body portion 81. The end fixing portion 82 has a lower mounting portion 83, an upper bulging portion (protruding portion) 84, and a flange portion 85.

  The lower surface 83d of the lower mounting portion 83 is arranged below the lower surface 81d of the intermediate body portion 81. The lower mounting portion 83 has a substantially frustoconical shape whose diameter decreases as it goes downward.

  The upper bulging portion 84 projects upward from the lower mounting portion 83. The upper bulging portion 84 has a substantially truncated cone shape whose diameter decreases as it goes upward.

  As shown in FIG. 5, an adjuster recess 83h that is recessed upward is formed on the lower surface 83d of the lower mounting portion 83. A screw insertion hole 84h that is recessed downward is formed on the upper surface 84u of the upper bulging portion 84. The screw insertion hole 84h communicates with the adjuster recess 83h. The diameter of the screw insertion hole 84h is shorter than the diameter of the adjuster recess 83h.

  As shown in FIG. 4, the flange portion 85 is formed on the upper portion of the lower attachment portion 83 along the outer peripheral surface. The flange portion 85 is formed in an annular shape in plan view. An engagement protrusion 86 that protrudes upward is provided on the upper surface 85u of the flange portion 85. The engaging projections 86 are provided at two locations with a space in the circumferential direction.

  As shown in FIG. 5, the upper bulging portion 84 of the intermediate base leg 80 is arranged inside the lower through hole portion 61 c of the end base leg 60. The upper bulging portion 84 is arranged below the lower bulging portion 53 of the joint member 50. The lower surface 60d of the base end portion 60a of the end base leg 60 is disposed in contact with the upper surface 85u of the flange portion 85 of the intermediate base leg 80.

  The two engaging projections 86 (see FIG. 4; the same applies hereinafter) are selected from any of the engaging recesses 64 of the end base leg 60 (see FIG. 6, apply the same below). Are engaged. By selecting one of the engagement recesses 64 formed along the circumferential direction, the extension direction in which the end base leg 60 extends with respect to the extension direction (front-rear direction) in which the intermediate base leg 80 extends. Can be adjusted.

  The screw 88 inserted from the adjuster recess 83h of the intermediate base leg 80 is inserted into the screw insertion hole 84h and screwed into the screw hole 53h of the joint member 50.

  With the end base leg 60 vertically sandwiched between the intermediate base leg 80 and the elevating leg 3 and the joint member 50, the screw 88 inserted from the intermediate base leg 80 is provided at the lower end portion 31 d of the elevating leg 3. It is screwed to the joint member 50. As a result, the lifting leg 3, the end base leg 60, and the intermediate base leg 80 are fixed.

  As shown in FIG. 1, in the base leg body 5, lower end portions 31 d of a pair of front and rear lifting legs 3 are connected to both front and rear ends of the intermediate base leg 80. In other words, the lower end portions 31d of the pair of front and rear lift legs 3 are connected by the intermediate base leg 80. The end base leg 60 is provided so as to project from the elevating leg 3 in the front-rear direction.

  As shown in FIG. 4, each inner adjuster 90 has a shaft portion 91 and a ground portion 92.

  A male screw is provided on the outer peripheral surface of the shaft portion 91. The shaft portion 91 of each inner adjuster 90 is screwed into each adjuster recess 83h (see FIG. 5) of the intermediate base leg 80.

  As shown in FIG. 7, the ground contact portion 92 can be installed on the floor surface F. The height of the inner adjuster 90 can be adjusted by adjusting the screwing amount of the shaft portion 91 of the inner adjuster 90.

  As shown in FIG. 1, the top plate 11 is formed in a substantially rectangular shape in a plan view. The top plate 11 has a longitudinal direction in the left-right direction.

  An operation unit 12 is provided on the lower surface 11d of the top plate 11. The elevating leg 3 is electrically connected to the operation unit 12 via a controller (not shown. The same applies below) by a cable (not shown. Same applies below). When an operation input is performed on the operation unit 12, an electric signal is transmitted to a telescopic mechanism (not shown) built in the elevating leg 3 via a cable and a controller. Based on the electrical signal transmitted from the controller to the extension / contraction mechanism, the elevating leg 3 can be extended / contracted in the vertical direction. As a result, the elevating legs 3 support the top plate 11 so that it can be moved up and down.

FIG. 8 is a top view of the table device 100. In FIG. 8, the leg support frame 4 and the upper connecting rod 15 are not shown, and the top plate 11 is shown by a chain double-dashed line.
As shown in FIG. 8, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3 in a plan view. The outer adjuster 70 is arranged so as to overlap the tip portion 60b of the end base leg 60 in a plan view.

  The inner adjuster 90 and the outer adjuster 70 are arranged so as to overlap the top plate 11 in a plan view. In other words, the inner adjuster 90 and the outer adjuster 70 are arranged inside the outer peripheral surface 11f of the top plate 11 in plan view. The outer adjuster 70 is arranged laterally outward of the inner adjuster 90.

  In the table device 100 configured as described above, the outer adjuster 70 and the inner adjuster 90 provided at the lower end portion of the base leg body 5 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip portion 60 b of the end base leg 60 are the weight of the top plate 11 acting on the leg body 2 and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. In addition, the inner adjuster 90 can prevent the table device 100 from swinging, vibrating, generating abnormal noise, and the like.

  Further, the base leg body 5 is an end extending in a direction away from the intermediate base leg 80 that connects the lower end portions 31d of the pair of elevating legs 3 and the other elevating leg 3 that is paired with the lower end portion 31d of the elevating leg 3. Part base leg 60, and. Therefore, by changing only the end base leg 60, the top plate 11 having various sizes and shapes can be dealt with.

  Further, since the extension direction of the end base leg 60 can be changed with respect to the extension direction of the intermediate base leg 80, the extension direction of the end base leg 60 can be changed according to the size and shape of the top plate 11. You can change the direction and respond.

  Further, the upper bulging portion 84 of the intermediate base leg 80 is arranged in the lower through hole portion 61c of the end base leg 60 to position the connecting position between the intermediate base leg 80 and the end base leg 60. By selectively engaging the engagement protrusion 86 of the intermediate base leg 80 with any one of the plurality of engagement recesses 64 of the end base leg 60, the extending direction of the end base leg 60 Can be adjusted.

  The end base leg 60 is vertically sandwiched between the intermediate base leg 80, the elevating leg 3 and the joint member 50, and the intermediate base leg 80 and the joint member 50 are screwed to each other. Therefore, the lifting leg 3, the intermediate base leg 80, and the end base leg 60 can be connected with a single screwing.

  Further, the outer adjuster 70 is arranged outward of the inner adjuster 90 in the left-right direction. Therefore, when a load (see arrow X in FIG. 1) acts from the outer side to the inner side of the top plate 11 in the left-right direction, the supporting strength of the legs 2 supporting the top plate 11 can be increased, and the table can be increased. It is possible to further suppress the shake of the device 100, the vibration, the generation of abnormal noise, and the like.

  The inner adjuster 90 and the outer adjuster 70 are arranged so as to overlap the top plate 11 in a plan view. Therefore, when the plurality of table devices 100 are arranged adjacent to each other, the top plates 11 are arranged adjacent to each other and the legs 2 do not interfere with each other.

  Further, the inner peripheral surface of the end base leg 60 is provided with a plurality of ribs 63 protruding inward in the radial direction. Therefore, even if a downward force acts on the end base leg 60 and the end base leg 60 tilts, the rib 63 contacts the upper bulging portion 84 of the intermediate base leg 80, and further tilt is suppressed. To be done.

(Modification 1)
Modification 1 of the above-described embodiment will be described mainly with reference to FIG. 9.
In the following modified examples, the same members as those used in the above-described embodiment are designated by the same reference numerals, and the description thereof will be omitted.
FIG. 9 is a perspective view (a) and a top view (b) of a table device according to Modification 1 of the embodiment of the present invention. In the top views showing the modified examples 1 to 6 described later, the outer adjuster 70 is shown by a solid line and the inner adjuster 90 is shown by hatching, the leg support frame and the upper connecting rod are not shown, and the top plate is shown by a chain double-dashed line. ing.
As shown in FIG. 9, in this modification, the inner adjuster 90 is provided at the lower end of the middle base leg 80 at the center in the front-rear direction. The inner adjuster 90 is disposed between the pair of front and rear lift legs 3 in a plan view.

  In the table device 101 configured as described above, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In a plan view, the inner adjuster 90 is disposed between the pair of front and rear lifting legs 3, and the outer adjuster 70 is disposed so as to overlap the tip end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged at the lower end of the intermediate base leg 80 connecting the elevating legs 3 and the outer adjuster 70 arranged at the tip 60b of the end base leg 60 act on the leg body 2. Since the weight of the top 11 and the weight of the article placed on the top 11 are supported, the top 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 101 from shaking, vibrating, generating abnormal noise, and the like.

(Modification 2)
Modification 2 of the above-described embodiment will be described mainly with reference to FIG. 10.
FIG. 10 is a perspective view (a) and a top view (b) of a table device according to Modification 2 of the embodiment of the present invention.
As shown in FIG. 10, in this modification, each leg 2C has one elevating leg 3. The upper end portions of the elevating legs 3 of each leg 2C are connected by the upper connecting rod 15 of the top plate fixing portion 10C. The upper connecting rod 15 is fixed to the lower surface 11d of the top plate 11.

  The intermediate base leg 80 is connected to the lower end portion 31d of the elevating leg 3. The elevating leg 3 is connected to the center of the intermediate base leg 80 in the front-rear direction.

  The base leg body 5C may have a configuration in which the end base leg 60 and the intermediate base leg 80 are connected to each other as in the above-described embodiment, or the end base leg 60 and the intermediate base leg 80 may be formed. It may be integrally formed.

  The inner adjuster 90 is provided in the lower portion of the center of the intermediate base leg 80 in the front-rear direction. In other words, the inner adjuster 90 is arranged at a position overlapping the lower end portion 31d of the elevating leg 3 in a plan view.

  In the table device 102 thus configured, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip portion 60b of the end base leg 60 are the weight of the top plate 11 acting on the leg 2C and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, making an abnormal noise, or the like.

(Modification 3)
Modification 3 of the above-described embodiment will be described mainly with reference to FIG. 11.
FIG. 11 is a perspective view (a) and a top view (b) of a table device according to Modification 3 of the embodiment of the present invention.
As shown in FIG. 11, in this modified example, each leg 2D has one elevating leg 3. The base leg 5D is arranged in a straight line along the front-rear direction.

  In the base leg 5D, as in the above-described embodiment, the engagement protrusion 86 of the intermediate base leg 80 (see FIG. 4, hereinafter the same) so that the end base leg 60 and the intermediate base leg 80 are aligned. Even if the end base leg 60 and the intermediate base leg 80 are connected to each other by selecting the engagement recess 64 of the end base leg 60 (see FIG. 6). Good. Alternatively, the base leg body 5D may be integrally formed.

  The inner adjuster 90 is provided in the lower portion of the center of the intermediate base leg 80 in the front-rear direction. In other words, the inner adjuster 90 is arranged at a position overlapping the lower end portion 31d of the elevating leg 3 in a plan view.

  In the table device 103 thus configured, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip end portion 60b of the end base leg 60 have the weight of the top plate 11 acting on the leg 2D and the top plate 11 acting on the leg body 2D. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, making an abnormal noise, or the like.

(Modification 4)
Modification 4 of the above-described embodiment will be described mainly with reference to FIG.
FIG. 12 is a (a) perspective view and a (b) top view of a table device according to Modification 4 of the embodiment of the present invention.
As shown in FIG. 12, in this modified example, the pair of front and rear elevating legs 3 are not connected by the intermediate base leg 80. An end portion base leg 60 is connected to the lower end portion 31d of the elevating leg 3.

  The inner adjuster 90 is provided below the base end portion 60 a of the end base leg 60. In other words, the inner adjuster 90 is arranged at a position overlapping the lower end portion 31d of the elevating leg 3 in a plan view.

  In the table device 104 thus configured, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip portion 60b of the end base leg 60 are the weight of the top plate 11 acting on the leg 2E and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, generating abnormal noise, and the like.

(Modification 5)
Modification 5 of the above-described embodiment will be described mainly with reference to FIG.
FIG. 13 is a perspective view (a) and a top view (b) of a table device according to Modification 5 of the embodiment of the present invention.
As shown in FIG. 13, in this modified example, each leg 2F has one elevating leg 3. A pair of front and rear end base legs 60 are connected to a lower end 31 d of the elevating leg 3. The rear end of the front end base leg 60A and the front end of the rear end base leg 60B are connected to the lower end 31d of the elevating leg 3.

  The inner adjuster 90 is provided below the connecting portion between the rear end of the front end base leg 60A and the front end of the rear end base leg 60B. In other words, the inner adjuster 90 is arranged at a position overlapping the lower end portion 31d of the elevating leg 3 in a plan view.

  In the table device 105 configured in this manner, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip portion 60b of the end base leg 60 are the weight of the top plate 11 acting on the leg 2F and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, making an abnormal noise, or the like.

(Modification 6)
Modification 6 of the above-described embodiment will be described mainly with reference to FIG.
14A and 14B are a perspective view and a top view of a table device according to Modification 6 of the embodiment of the present invention.
As shown in FIG. 14, in this modification, the top plate 11G has a substantially circular shape in plan view. The leg bodies 2G are arranged in three sets spaced apart from each other in the circumferential direction of the top plate 11G. Each leg 2G has one lifting leg 3. The upper end portions of the elevating legs 3 of each leg 2G are connected to each other by the upper connecting rod 15G of the top plate fixing portion 10G. The upper connecting rods 15G connect the upper end portions of the adjacent elevating legs 3 to each other. The upper connecting rod 15G is fixed to the lower surface 11d of the top plate 11.

  An end portion base leg 60 is connected to the lower end portion 31d of the elevating leg 3. The inner adjuster 90 is provided below the base end portion 60 a of the end base leg 60. In other words, the inner adjuster 90 is arranged at a position overlapping the lower end portion 31d of the elevating leg 3 in a plan view.

  In the table device 106 thus configured, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip portion 60b of the end base leg 60 are the weight of the top plate 11 acting on the leg 2G and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, making an abnormal noise, or the like.

(Modification 7)
Modification 7 of the above-described embodiment will be described mainly with reference to FIG. 15.
FIG. 15 is a perspective view of a table device according to Modification 7 of the embodiment of the present invention.
As shown in FIG. 15, in this modification, two top plates 11 are arranged adjacent to each other in the left-right direction.

  The leg bodies 2H are arranged in three sets spaced apart from each other in the left-right direction. The top plate fixing portion 10 has a pair of upper connecting rods 15 spaced apart in the front-rear direction and a leg support frame 4 provided at the upper end of each leg 2H. The upper connecting rod 15 extends across the leg support frames 4 arranged on both sides in the left-right direction. In other words, the leg support frame 4 arranged at the center in the left-right direction is connected to the center in the left-right direction of the upper connecting rod 15. The leg support frame 4 and the upper connecting rod 15 are fixed to the lower surface 11d of the top plate 11.

  The end base legs 60 of the leg bodies 2H arranged on both the left and right sides face the extending direction similar to the above-described embodiment. The extending direction of the end base leg 60 of the leg body 2H arranged at the center in the left-right direction is along the extending direction of the intermediate base leg 80. The engagement recess 64 of the end base leg 60 that engages with the engagement protrusion 86 of the intermediate base leg 80 is selected so that the end base leg 60 and the intermediate base leg 80 are arranged in a straight line.

  In the table device 107 configured as described above, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip end portion 60b of the end base leg 60 have the weight of the top plate 11 acting on the leg 2H and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, making an abnormal noise, or the like.

(Modification 8)
Modification 8 of the above-described embodiment will be described mainly with reference to FIG. 16.
FIG. 16 is a side view of a table device according to Modification 8 of the embodiment of the present invention.
As shown in FIG. 16, in this modified example, the inner adjuster 90 is directly provided on the lower end portion 31 d of the elevating leg 3. In other words, the inner adjuster 90 is arranged at a position overlapping the lower end portion 31d of the elevating leg 3 in a plan view.

  The end base leg 60 is connected to a surface of the lifting leg 3 that faces away from the other pair of lifting legs 3. In other words, the front end base leg 60A is connected to the front surface of the elevating leg 3. The rear end base leg 60B is connected to the rear surface of the elevating leg 3.

  Both ends of the intermediate base leg 80 are connected to the surfaces of the pair of front and rear lifting legs 3 that face each other. In other words, the front end portion of the intermediate base leg 80 is connected to the rear surface of the elevating leg 3 on the front side. The rear end portion of the intermediate base leg 80 is connected to the front surface of the rear lifting leg 3.

  In the table device 108 configured as described above, the outer adjuster 70 and the inner adjuster 90 are installed on the floor surface F. In plan view, the inner adjuster 90 is arranged so as to overlap the lower end portion 31d of the elevating leg 3, and the outer adjuster 70 is arranged so as to overlap the distal end portion 60b of the end base leg 60 in the extending direction. In this way, the inner adjuster 90 arranged immediately below the elevating leg 3 and the outer adjuster 70 arranged at the tip portion 60b of the end base leg 60 are the weight of the top plate 11 acting on the leg 2I and the top plate 11. Since the weight of the article placed on the top is supported, the top plate 11 can be stably supported. Further, the inner adjuster 90 can prevent the table device 102 from swaying, vibrating, making an abnormal noise, or the like.

  Further, the shapes, combinations, and the like of the constituent members shown in the above-described embodiments are merely examples, and various modifications can be made based on design requirements and the like without departing from the spirit of the present invention.

  For example, in the above-described embodiment, the base leg body 5 has the end base leg 60 and the intermediate base leg 80, but the present invention is not limited to this. The connecting leg portion and the extending leg portion may be integrally formed.

  Further, in the embodiment described above, the extending direction of the end base leg 60 can be changed with respect to the extending direction of the intermediate base leg 80, but the present invention is not limited to this. The extending direction of the extending leg portion and the extending direction of the connecting leg portion may have a predetermined angle and may not be changed.

  Further, in the above-described embodiment, the engaging protrusion 86 is provided on the intermediate base leg 80 and the engaging recess 64 is formed on the end base leg 60, but the present invention is not limited to this. The end base leg 60 may be provided with an engagement protrusion, and the intermediate base leg 80 may be formed with an engagement recess capable of engaging with the engagement protrusion.

  Further, in the above-described embodiment, the end base leg 60 is sandwiched between the joint member 50 fixed to the lower end 31 d of the elevating leg 3 and the intermediate base leg 80, and the intermediate base leg 80 and the joint member 50. And are fixed by screwing once, but the present invention is not limited to this. The elevating leg and the connecting portion are connected by two-stage screwing so that the connecting leg portion and the extending leg portion are screwed and the extending leg portion and the elevating leg or the connecting member fixed to the elevating leg are screwed. The leg portion and the extended leg portion may be connected to each other.

  Further, in the above-described embodiment, the outer adjuster 70 is arranged outward of the inner adjuster 90 in the left-right direction, but the present invention is not limited to this. The second installation member may be arranged inward in the left-right direction (center side in the left-right direction) with respect to the first installation member.

  Further, in plan view, the inner adjuster 90 and the outer adjuster 70 are arranged so as to overlap the top plate 11, but the present invention is not limited to this. The first installation member and the second installation member may be configured to protrude from the top plate in any of front, rear, left, and right in a plan view.

  Moreover, although the inner adjuster 90 and the outer adjuster 70 whose height can be adjusted have been described as examples of the first installation member and the second installation member, the present invention is not limited to this. As the first installation member and the second installation member, a caster or the like installed on the floor surface F and capable of moving the top-and-bottom lifting fixture may be used. Further, one of the first installation member and the second installation member may be an adjuster, and the other of the first installation member and the second installation member may be a caster.

1 ... Support structure 2 ... Leg (support leg)
3 ... Lifting leg 4 ... Leg support frame 5 ... Base leg (lower connecting part)
11 ... Top plate 12 ... Operation part 15 ... Upper connecting rod 31 ... Lower leg part 36 ... Upper leg part 50 ... Joint member (connecting member)
60 ... End base leg (extended leg)
60a ... Base end 60b ... Tip 61c ... Lower through-hole (recess)
64 ... Engagement recess 70 ... Outer adjuster (second installation member)
80 ... Intermediate base leg (connecting leg)
84 ... Upper bulge (projection)
86 ... Engaging protrusion 90 ... Inner adjuster (first installation member)
100 ... Table device F ... Floor surface

Claims (8)

A top plate,
A plurality of support legs that support the top plate,
The support leg is
It is possible to move up and down, and a pair of lift legs that are spaced apart in the front-back direction,
A pair of lower end portions of the elevating legs are connected to each other, and a lower end connecting portion has a tip portion protruding from the elevating legs in the front-rear direction,
A first installation member and a second installation member that are provided at the lower end of the lower connection portion and that can be installed on the floor surface,
In a plan view, the first installation member is disposed at a position overlapping the lower end of the elevating leg or between the pair of elevating legs, and the second installation member is disposed overlapping the tip of the lower connecting portion. The top-bottom lifting fixtures are characterized by being used. The lower connecting portion is
A connecting leg portion that connects the lower end portions of the pair of the elevating legs,
Provided on the lower end of the elevating legs, and extending legs that extend in a direction away from the other elevating legs forming a pair,
The first installation member is provided at the lower end of the connecting leg,
The top plate lifting / lowering fixture according to claim 1, wherein the second installation member is provided at a tip end portion in the extension direction in which the extension leg portion extends.   The top-and-lowering fixture according to claim 2, wherein the extending direction of the extending leg portion is changeable with respect to the extending direction of the connecting leg portion. A protrusion protruding upward and an engagement protrusion arranged on an outer peripheral side of the protrusion are provided on an upper portion of the connecting leg.
In the lower portion of the extending leg portion, a recessed portion that is recessed upward and a plurality of engagement recessed portions that are spaced apart in the circumferential direction on the outer peripheral side of the recessed portion are formed,
The projection is disposed in the recess, and the engagement protrusion is selectively engaged with any one of the engagement recesses of the plurality of engagement recesses. Top plate lift-type furniture described. A connecting member is fixed to the lower end of the elevating leg,
The said extension leg part is pinched | interposed between the said connection member and the said connection leg part, and the said connection leg part and the said connection member are screw-fastened, The any one of Claim 2 to 4 characterized by the above-mentioned. Top plate lifting type furniture. A top plate,
A plurality of support legs that support the top plate,
The support leg is
Elevating legs that can move up and down,
An extension leg extending from the lower end of the elevating leg along the floor surface;
A first installation member that is provided on the lower end of the elevating leg or the lower end of the extension leg and that can be installed on the floor surface,
A second installation member that is provided at the lower end of the extension leg and that can be installed on the floor surface,
In a plan view, the first installation member is arranged so as to overlap the lower end portion of the elevating leg, and the second installation member is arranged so as to overlap the distal end portion in the extending direction from which the extension leg portion extends. The top plate lifting type furniture that is characterized by being.   The top plate lifting fixture according to any one of claims 1 to 6, wherein the second installation member is arranged on the outer side in the left-right direction with respect to the first installation member.   The top plate lifting fixture according to any one of claims 1 to 7, wherein the first installation member and the second installation member are arranged so as to overlap with the top plate in a plan view. ..

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