JP2017185167A - Top board lifting type furniture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve strength against an external force from a width direction and reduce rolling.SOLUTION: Top board lifting type furniture 1 comprises an upper structure 20 with a top board 21, and a pair of leg members 10 provided on a floor surface, provided apart from each other in a width direction of the top board 21, and supporting the upper structure 20. Each of the pair of leg members 10 has: a lower support body provided on the floor surface; a lifting unit 12 connected to the lower support body, provided to extend in an extension direction from the lower support body toward the upper structure 20, and capable of extending and contracting in the extension direction; and a reinforcement member 13 provided between an upper end part 12f of the lifting unit 12 and the upper structure 20 and connected to the lifting unit 12 and the upper structure 20, respectively. The reinforcement member 13 has a projection part 13a projecting inward in the width direction from the upper end part 12f of the lifting unit 12 in a plane view and supporting the upper structure 20.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a top-plate lifting type fixture.

  In offices and public facilities, fixtures with top plates such as desks and tables, work tables, and experimental tables with top plates that can perform various operations are used. In a tabletop fixture, the height of the top plate that is easy to work with varies depending on the user's posture, physique, gender, and preferences. Since the fixtures with a fixed height of the top plate cannot cope with such a situation, a top plate lifting type fixture that can change the height of the top plate in the vertical direction is widely used. By using such a fixture, an environment with good workability can be provided to the user, work efficiency can be improved, and the burden on the user's body can be reduced.

  2. Description of the Related Art Conventionally, in a top plate lifting type fixture, a method using a gas spring, a method using a gear, and the like are known as lifting means for changing the height of the top plate up and down (see, for example, Patent Documents 1 and 2). ). These manual lifting and lowering means have a relatively simple structure and can reduce the cost. However, there are cases where it is difficult for a user with weak force to operate these lifting means.

  Therefore, in order to improve the operability of the elevating means, many top-plate elevating fixtures using an electric drive unit as the elevating means are employed (see, for example, Patent Documents 3 to 5). In the top plate lifting type fixture using the electric drive unit, the user can easily adjust the height of the top plate to a suitable position.

  This electric drive unit generally has a cylindrical outer casing, a cylindrical inner casing that fits inside the outer casing, and an outer casing and an inner casing formed by a drive unit provided inside. The relative positional relationship of can be changed. In the top-and-bottom lift fixture, the electric drive unit is disposed between the lower support disposed on the floor and the top support disposed above the lower support or the upper support that supports the top plate. The lower support and the top plate or the upper support are connected to each other in the extending and contracting direction of the electric drive unit.

Japanese Patent No. 3371959 Japanese Patent No. 3391285 Registered Utility Model No. 316439 JP 2014-113505 A Japanese Patent No. 5718503

  When connecting the above-mentioned electric drive unit and the top plate or the upper support, they are usually connected by attracting each other using screws. As described above, when the electric drive unit is simply screwed to the mounting surface of the top plate or the upper support and the electric drive unit and the top plate or the upper support are connected to each other, an external force more than expected is applied to the top plate. When added from the width direction or when a heavy object more than expected was placed on the top board, there was anxiety about the stability as a fixture.

  This invention is made | formed in view of said situation, and it aims at providing the top plate raising / lowering type fixture which can improve the intensity | strength with respect to the external force from the width direction, and can reduce rolling.

  According to one aspect of the present invention, the top plate lifting type fixture is provided on the floor surface with the upper structure having the top plate, and is provided apart from each other in the width direction of the top plate. A pair of leg members for supporting Each of the pair of leg members is provided with a lower support provided on the floor, and connected to the lower support, extending in the extending direction from the lower support to the upper structure, An elevating unit that can extend and contract in the extending direction; and a reinforcing member that is provided between the upper end of the elevating unit and the upper structure and connected to the elevating unit and the upper structure. The reinforcing member has a protruding portion that protrudes toward the opposing side of the pair of leg members in the width direction from the upper end portion of the elevating unit in plan view, and supports the upper structure.

  According to such a top-plate lifting type fixture, the reinforcing members connected to each other are provided between the upper end portion of the lifting unit and the upper structure, and the reinforcing member is the upper end of the lifting unit in plan view. It has the protrusion part which protrudes in the width direction rather than a part in the side which a pair of leg member opposes. For this reason, the intensity | strength with respect to the external force from the width direction can be improved with the protrusion part comprised in this way. Thereby, the rolling of a top plate raising / lowering type fixture can be reduced.

  In the above-described top plate lifting fixture, the reinforcing member and the upper structure may be connected to each other in a state where the upper surface of the reinforcing member and the lower surface of the upper structure are in contact with each other. One of the upper surface of the reinforcing member and the lower surface of the upper structure is formed with a first convex portion projecting toward the other, and the other is a first concave portion fitted with the first convex portion. May be formed.

  According to such a top plate lifting type fixture, a first convex portion that protrudes toward the other is formed on one of the upper surface of the reinforcing member and the lower surface of the upper structure, and the first convex portion is formed on the other. Since the first concave portion to be fitted with is formed, the first convex portion and the first concave portion are fitted to each other, thereby easily positioning the mounting position of the reinforcing member and the upper structure during assembly. Can do. Therefore, assembly workability can be improved.

  In the above-described top plate lifting type fixture, the reinforcing member and the lifting unit may be coupled to each other in a state where the lower surface of the reinforcing member and the upper surface of the lifting unit are in contact with each other. Of the lower surface of the reinforcing member and the upper surface of the elevating unit, one has a second convex portion that protrudes toward the other, and the other has a second concave portion that fits the second convex portion. It may be formed.

  According to such a top plate elevating type fixture, a second convex portion projecting toward the other is formed on one of the lower surface of the reinforcing member and the upper surface of the elevating unit, and the second convex portion is formed on the other. Since the second concave portion to be fitted is formed, the mounting positions of the reinforcing member and the lifting unit can be easily positioned during assembly by fitting the second convex portion and the second concave portion to each other. . Therefore, assembly workability can be improved.

  In the above-described top plate lifting type fixture, the reinforcing member and the lifting unit may be coupled to each other in a state where the lower surface of the reinforcing member and the upper surface of the lifting unit are in contact with each other. On the upper surface of the elevating unit, a second convex portion that protrudes toward the reinforcing member and is arranged in an annular shape may be formed. The lower surface of the reinforcing member protrudes from the second recess toward the elevating unit, the second recess formed to be recessed upward to fit with the outer peripheral edge of the second protrusion, A third convex portion formed so as to be fitted to the inner peripheral edge of the two convex portions may be provided.

  According to such a top plate elevating type fixture, on the lower surface of the reinforcing member, a second concave portion formed to be recessed upward so as to be fitted to the outer peripheral edge of the second convex portion, and an elevator unit from the second concave portion And a third convex portion formed so as to be fitted to the inner peripheral edge of the second convex portion, so that the outer peripheral edge of the second convex portion is connected to the reinforcing member and the lifting unit. The fitting strength between the reinforcing member and the elevating unit can be further improved by fitting the second convex portion to the second concave portion and fitting the third convex portion to the inner peripheral edge of the second convex portion.

  In the above-described top plate lifting type fixture, the reinforcing member may be connected to the lifting unit by a screw. The second recess may be formed with an insertion hole through which the reinforcing member passes from the upper structure toward the elevating unit and the screw is inserted. The third convex portion may be arranged so as to surround the insertion hole in plan view.

  According to such a top plate elevating fixture, the third convex portion is arranged so as to surround the insertion hole in plan view, so that the screw inserted through the insertion hole faces the elevation unit in the second concave portion. I can guide you. For this reason, the assembly workability | operativity at the time of connecting a reinforcement member and a raising / lowering unit with a screw can be made favorable.

  In the above-mentioned top plate lifting type fixture, the upper structure and the reinforcing member may be fastened together with the lifting unit by screws.

  According to such a top plate lifting type fixture, the upper structure and the reinforcing member can be simultaneously connected to the lifting unit by fastening the upper structure and the reinforcing member to the lifting unit. Can be good.

  In the above-described top plate lifting fixture, the reinforcing member and the upper structure may be connected to each other in a state where the upper surface of the reinforcing member and the lower surface of the upper structure are in contact with each other. One of the upper surface of the reinforcing member and the lower surface of the upper structure is formed with a first convex portion projecting toward the other, and the other is a first concave portion fitted with the first convex portion. May be formed. The reinforcing member and the lifting unit may be coupled to each other in a state where the lower surface of the reinforcing member and the upper surface of the lifting unit are in contact with each other. Of the lower surface of the reinforcing member and the upper surface of the elevating unit, one has a second convex portion that protrudes toward the other, and the other has a second concave portion that fits the second convex portion. It may be formed. The second convex portion and the second concave portion may be disposed so as to surround the first convex portion and the first concave portion in plan view.

  According to such a top plate elevating type fixture, the second convex portion and the second concave portion are disposed so as to surround the first convex portion and the first concave portion in plan view. The portion where the second convex portion and the second concave portion are fitted to each other when the lifting unit disposed on the side is coupled is coupled to the reinforcing member and the upper structure disposed on the upper side of the reinforcing member. In this case, the first convex portion and the first concave portion are disposed outside the portion where the first concave portion and the first concave portion are fitted to each other in a plan view. Therefore, the fitting portion between the second convex portion and the second concave portion arranged relatively below is more outward in the plan view than the fitting portion between the first convex portion and the first concave portion arranged on the upper side. Since the reinforcing member is disposed on the lifting unit and the upper structure is further disposed on the reinforcing member during the assembly operation, the reinforcing member and the upper structure are disposed even in a temporarily assembled state. It can be stably supported on the lifting unit. Thereby, assembly workability | operativity can be made favorable.

  In the above-mentioned top plate lifting type fixture, the upper structure and the reinforcing member may be fastened together with the lifting unit by screws. The screw may be disposed at a position inside the second convex portion and the second concave portion and outside the first convex portion and the first concave portion in a plan view.

  According to such a top plate lifting type fixture, the screw is disposed at a position inside the second convex portion and the second concave portion and outside the first convex portion and the first concave portion in plan view. The force by fastening can be satisfactorily transmitted to both the fitting portion between the second convex portion and the second concave portion and the fitting portion between the first convex portion and the first concave portion. Therefore, the connection strength between the reinforcing member and the lifting unit and the connection strength between the reinforcing member and the upper structure can be further improved.

  In the above-described top plate lifting type fixture, the upper structure may further include an upper support body that supports the top plate. The reinforcing member may be disposed between the upper end portion of the elevating unit and the upper support. The reinforcing member may be formed with a wiring insertion hole penetrating the reinforcing member from the upper end portion of the elevating unit toward the upper support. The cable connected to the lifting unit may be guided by the upper support through the wiring insertion hole.

  According to such a ceiling-plate lifting / lowering fixture, the cable connected to the lifting / lowering unit is guided by the upper support through the wiring insertion hole of the reinforcing member. The appearance of the plate lifting fixture can be improved.

  In the above-described top plate lift type fixture, even if the protruding portion of the reinforcing member is formed in a taper shape with a size that protrudes in the width direction from the upper end portion of the lifting unit toward the upper structure. Good.

  According to such a top plate lifting / lowering fixture, the projecting portion is formed in a taper shape having a size that projects in the width direction from the upper end of the lifting unit toward the upper structure, so that the user can It is possible to prevent the hand or the like from being damaged when the protruding portion is touched by the above.

  According to said top-plate elevating-type fixture, the intensity | strength with respect to the external force from the width direction can be improved, and a roll can be reduced.

It is a perspective view which shows the top plate raising / lowering type fixture which concerns on one Embodiment of this invention. It is a side view which shows the said top-plate raising / lowering type fixture. It is the figure which looked at the said top-plate raising / lowering type fixture from diagonally downward. It is the exploded view which looked at the leg member of the said top-plate elevating type fixture from diagonally downward. It is the exploded view which looked at the leg member of the top plate raising / lowering type fixture from diagonally upward. It is a figure which shows the reinforcement member of the said top-plate raising / lowering type fixture.

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

  FIG. 1 is a perspective view showing a top plate lifting fixture 1 according to this embodiment. FIG. 2 is a side view showing the top plate lifting type furniture 1. FIG. 3 is a view of the top plate elevating fixture 1 as seen from obliquely below. FIG. 4 is an exploded view of the leg member 10 of the top-and-bottom lift fixture 1 as seen from obliquely below. FIG. 5 is an exploded view of the leg member 10 of the top-and-bottom lift fixture 1 as seen from obliquely above.

  As shown in FIGS. 1 to 3, the top / bottom lifting fixture 1 includes an upper structure 20 having a top plate 21 and a pair of leg members 10 and 10 that support the upper structure 20. The pair of leg members 10, 10 are provided on the floor surface F and are provided apart from each other in the long side direction of the top plate 21 (hereinafter, this direction is appropriately referred to as the width direction).

  Each leg member 10 includes a lower support 11 provided on the floor surface F, an elevating unit 12 connected to the lower support 11, and a reinforcing member provided between the elevating unit 12 and the upper structure 20. 13.

  The lower support 11 is disposed on the floor surface F and extends in the short side direction of the top plate 21 (hereinafter, this direction is appropriately referred to as the front-rear direction). An adjuster 14 that adjusts the height and level of the lower support 11 is provided on the lower surface 11 u of the lower support 11.

  The elevating unit 12 is connected to the lower support 11 and extends in the extending direction from the lower support 11 toward the upper structure 20. In the present embodiment, the extending direction of the elevating unit 12 is the vertical direction. Moreover, the raising / lowering unit 12 is comprised so that expansion-contraction in the up-down direction (extending direction) is possible. Specifically, the lifting unit 12 has a lower cylindrical body 12a, an intermediate cylindrical body 12b, and an upper cylindrical body 12c. The lower cylindrical body 12a, the intermediate cylindrical body 12b, and the upper cylindrical body 12c are each formed in a rectangular cylindrical shape that extends in the vertical direction. The intermediate cylindrical body 12b is accommodated in the lower cylindrical body 12a, and the upper cylindrical body 12c is accommodated in the intermediate cylindrical body 12b. By moving the intermediate cylindrical body 12b and the upper cylindrical body 12c in the vertical direction with respect to the lower cylindrical body 12a by a drive mechanism (not shown) included in the lifting unit 12, the vertical movement unit 12 is expanded and contracted in the vertical direction. Can do. The leg member 10 supports the upper structure 20 to be movable up and down by the lifting unit 12 configured as described above.

  The reinforcing member 13 is provided between the upper end portion 12f of the elevating unit 12 and the upper structure 20, and is connected to the elevating unit 12 and the upper structure 20, respectively. The configuration of the reinforcing member 13 will be described later.

  The upper structure 20 connects the top plate 21 formed in a rectangular plate shape in plan view, the pair of upper support members 22 and 22 that support the top plate 21, and the pair of upper support members 22 and 22. And a connecting member 23. The top plate 21 has a work surface 21t on the upper surface.

  The pair of upper supports 22 and 22 are provided at both ends of the top plate 21 in the width direction, and are fixed to the lower surface 21u of the top plate 21 by screws or the like (not shown). The pair of upper supports 22 and 22 are connected to the pair of leg members 10 and 10, respectively. Each upper support 22 has a main body portion 22 a connected to the leg member 10, and arm portions 22 b extending from the main body portion 22 a to both sides in the front-rear direction of the top plate 21. The main body 22a is formed in a substantially box shape having an internal space. As shown in FIG. 4, the lower surface 22u of the main body 22a is formed with an opening 22h that communicates with the internal space of the main body 22a. Further, the internal space of the main body portion 22a communicates with the internal space of the connecting member 23 at the end 22c on the inner side in the width direction (the side where the pair of upper support bodies 22 and 22 face each other).

  The connecting member 23 is provided extending in the width direction of the top plate 21. Both ends of the connecting member 23 in the width direction are fixed to the pair of upper supports 22, 22, respectively. Thereby, the connection member 23 has connected a pair of upper support bodies 22 and 22 mutually. As shown in FIGS. 3 and 4, the connecting member 23 includes a flat plate-like upper plate portion 23a extending in the width direction and a pair of side plate portions 23b extending downward from both front and rear edges of the upper plate portion 23a. , 23b and a pair of lower plate portions 23c, 23c extending from the lower end edges of the pair of side plate portions 23b, 23b so as to face each other in the front-rear direction. An internal space of the connecting member 23 is formed by the upper plate portion 23a, the pair of side plate portions 23b and 23b, and the pair of lower plate portions 23c and 23c. An opening communicating with the internal space of the connecting member 23 is formed between the pair of lower plate portions 23c and 23c. A plate-like wiring tray 24 is attached to the lower portions of the pair of lower plate portions 23c and 23c so as to cover the openings.

  In the internal space of the connecting member 23, a control unit (not shown) that controls the expansion and contraction operations of the elevating units 12 and 12 is accommodated. The control unit is fixed to the upper plate portion 23a of the connecting member 23 with screws or the like. The control unit is electrically connected to the lifting units 12 and 12 by a cable 12d. As shown in FIGS. 4 and 5, the cable 12d passes from the control unit through the internal space of the connecting member 23, the internal space of the main body 22a of the upper support 22 and the opening 22h of the main body 22a. The wiring insertion hole 13h is inserted into the lifting / lowering unit 12.

  On the lower surface 21 u of the front end portion 21 f of the top plate 21, there is provided an operation portion 12 e for performing operation input for causing the elevating units 12 and 12 to extend and contract. The operation unit 12e is electrically connected to the control unit by a cable (not shown). When the user inputs a predetermined operation to the operation unit 12e, an operation signal is transmitted from the operation unit 12e to the control unit via the cable. When the control unit receives the operation signal from the operation unit 12e, the control unit outputs a command signal that causes the elevating units 12 and 12 to perform the elevating operation based on the received signal. When receiving the command signal, the elevating units 12 and 12 expand and contract according to the command signal. Thereby, the height of the top plate 21 is adjusted.

  FIG. 6 is a view showing the reinforcing member 13. FIG. 6A is a plan view of the reinforcing member 13, and FIG. 6B is a side view of the reinforcing member 13. As shown in FIGS. 4 to 6, the reinforcing member 13 is disposed between the upper end portion 12 f of the elevating unit 12 and the upper support 22. Further, the reinforcing member 13 is a flat plate-like member and has an outer diameter dimension larger than the outer diameter dimension of the upper end portion 12f of the elevating unit 12 in plan view.

  The reinforcing member 13 protrudes inward in the width direction (on the side where the pair of leg members 10 and 10 face in the width direction) with respect to the upper end portion 12f of the elevating unit 12 in plan view, and protrudes 13a that supports the upper structure 20. Have The protruding portion 13a is formed in a taper shape having a size that protrudes in the width direction as it goes upward.

  The reinforcing member 13 and the upper structure 20 are connected to each other with the upper surface 13t of the reinforcing member 13 and the lower surface 20u of the upper structure 20 in contact with each other. Specifically, the reinforcing member 13 and the upper support body 22 of the upper structure 20 are connected to each other with the upper surface 13t of the reinforcing member 13 and the lower surface 22u of the upper support body 22 in contact with each other.

  On the upper surface 13t of the reinforcing member 13, an upper convex portion (first convex portion) 13e protruding toward the lower surface 22u of the upper support 22 is formed. The upper convex portion 13e is formed so as to be fitted to an opening (first concave portion) 22h formed in the lower surface 22u of the upper support body 22. In the present embodiment, the upper convex portion 13e is formed in a rectangular ring shape in a plan view corresponding to the opening 22h formed in a rectangular shape. The reinforcing member 13 and the upper support 22 are connected to each other in a state where the upper convex portion 13e of the reinforcing member 13 is fitted in the opening 22h of the upper support 22.

  The reinforcing member 13 and the lifting unit 12 are connected to each other with the lower surface 13u of the reinforcing member 13 and the upper surface 12t of the upper end portion 12f of the lifting unit 12 in contact with each other. On the upper surface 12t of the elevating unit 12, a convex portion (second convex portion) 12i that protrudes toward the reinforcing member 13 and is arranged in an annular shape is formed. In the present embodiment, the convex portion 12 i is the periphery of the upper end portion 12 f of the elevating unit 12.

  The lower surface 13u of the reinforcing member 13 is provided with a lower concave portion (second concave portion) 13f and a lower convex portion (third convex portion) 13g. The lower concave portion 13f is formed to be recessed upward so as to be fitted to the outer peripheral edge of the convex portion 12i of the elevating unit 12. In the present embodiment, the lower concave portion 13f is formed in a rectangular shape corresponding to the convex portion 12i of the lifting unit 12 formed in a rectangular ring shape. The convex portion 12i and the lower concave portion 13f of the elevating unit 12 are arranged so as to surround the upper convex portion 13e and the opening 22h of the upper support 22 in a plan view. Further, the lower convex portion 13g protrudes from the lower concave portion 13f toward the elevating unit 12, and is formed so as to be fitted to the inner peripheral edge of the convex portion 12i of the elevating unit 12. In the present embodiment, four lower convex portions 13g are provided at positions corresponding to the inner peripheral edges of the four corners of the convex portion 12i of the elevating unit 12 in the lower concave portion 13f. The reinforcing member 13 and the lifting unit 12 are configured such that the outer peripheral edge of the convex portion 12 i of the lifting unit 12 is fitted into the lower concave portion 13 f of the reinforcing member 13 and the lower convex portion 13 g of the reinforcing member 13 is the convex portion of the lifting unit 12. They are connected to each other in a state of being fitted to the inner peripheral edge of 12i.

  The upper support body 22 and the reinforcing member 13 of the upper structure 20 are fastened together with the lifting unit 12 by screws 15. For this reason, the reinforcing member 13 is provided with four insertion holes 13b through which the screws 15 are inserted. The four insertion holes 13b are formed so as to penetrate the reinforcing member 13 in the vertical direction, and are respectively disposed at positions corresponding to the four screw receiving portions 12g provided at the four corners of the upper surface 12t of the elevating unit 12. Further, the four insertion holes 13b are arranged so as to be respectively surrounded by the four lower convex portions 13g in a plan view in the lower concave portion 13f. The screw 15 passes through the insertion hole 22d formed in the lower surface 22u of the main body 22a of the upper support 22 and passes through the insertion hole 13b of the reinforcing member 13 and is screwed into the screw receiving portion 12g of the lifting unit 12. . At this time, the screw 15 is located at a position inside the convex portion 12i of the elevating unit 12 and the lower concave portion 13f of the reinforcing member 13 and outside the upper convex portion 13e of the reinforcing member 13 and the opening 22h of the upper support 22 in plan view. Has been placed. Thus, the upper support 22 and the reinforcing member 13 are fastened together with the lifting unit 12.

  The reinforcing member 13 is formed with a wiring insertion hole 13 h that penetrates the reinforcing member 13 from the upper end portion 12 f of the elevating unit 12 toward the upper support 22. The wiring insertion hole 13 h is provided at a position communicating with the opening 22 h of the upper support 22. In the present embodiment, the wiring insertion hole 13 h is disposed inside the upper convex portion 13 e of the reinforcing member 13. As described above, the cable 12d connected to the upper end portion 12f of the elevating unit 12 is guided to the upper support 22 through the wiring insertion hole 13h.

  The wiring insertion hole 13h is formed in a dimension that allows a connector attached to the cable 12d to be inserted. In the reinforcing member 13, a wiring locking hole 13c is formed adjacent to the wiring insertion hole 13h on the inner side in the width direction. The wiring locking hole 13c is formed so as to penetrate the reinforcing member 13 in the vertical direction and to communicate with the wiring insertion hole 13h in the width direction. The wiring locking hole 13c is smaller in size than the wiring insertion hole 13h, and the cable 12d is formed in a dimension that allows insertion. In addition, a pair of locking pieces 13d and 13d are provided between the wiring locking hole 13c and the wiring insertion hole 13h. The cable 12d can be locked in the wiring locking hole 13c by the pair of locking pieces 13d and 13d.

  The reinforcing member 13 can be formed by die casting using, for example, an aluminum alloy.

  According to the present embodiment, the top-plate elevating fixture 1 is provided on the floor surface F with the upper structure 20 having the top plate 21 and is provided apart from each other in the width direction of the top plate 21. And a pair of leg members 10 and 10 that support the body 20. Each of the pair of leg members 10 and 10 is connected to the lower support 11 provided on the floor surface F and the lower support 11 and extends in the extending direction from the lower support 11 to the upper structure 20. The elevating unit 12 provided and extendable in the extending direction, and the reinforcing member 13 provided between the upper end portion 12f of the elevating unit 12 and the upper structure 20 and connected to the elevating unit 12 and the upper structure 20, respectively. And having. The reinforcing member 13 has a protruding portion that protrudes inward in the width direction from the upper end portion 12 f of the elevating unit 12 in a plan view and supports the upper structure 20.

  According to the configuration described above, the reinforcing members 13 connected to each other are provided between the upper end portion 12f of the elevating unit 12 and the upper structure 20, and the reinforcing member 13 is the upper end of the elevating unit 12 in plan view. It has the protrusion part 13a which protrudes inside the width direction rather than the part 12f. For this reason, the intensity | strength with respect to the external force from the width direction can be improved with the protrusion part 13a comprised in this way. Thereby, the rolling of the top plate elevating type furniture 1 can be reduced.

  The reinforcing member 13 and the upper structure 20 are connected to each other with the upper surface 13t of the reinforcing member 13 and the lower surface 20u of the upper structure 20 in contact with each other. Of the upper surface 13t of the reinforcing member 13 and the lower surface 20u of the upper structure 20, the upper surface 13t of the reinforcing member 13 is formed with an upper convex portion 13e protruding toward the lower surface 20u of the upper structure 20, and the upper structure 20 is formed. The lower surface 20u is formed with an opening 22h that fits with the upper convex portion 13e.

  According to the configuration described above, the upper surface 13t of the reinforcing member 13 is formed with the upper protrusion 13e that protrudes toward the lower surface 20u of the upper structure 20, and the upper surface 13u is fitted with the upper protrusion 13e. Since the mating opening 22h is formed, the mounting positions of the reinforcing member 13 and the upper structure 20 can be easily positioned during assembly by fitting the upper convex portion 13e and the opening 22h to each other. . Therefore, assembly workability can be improved. In addition, since the reinforcing member 13 and the upper structure 20 are connected to each other with the upper convex portion 13e fitted in the opening 22h, the connection strength between the reinforcing member 13 and the upper structure 20 can be improved. .

  The reinforcing member 13 and the lifting unit 12 are connected to each other with the lower surface 13u of the reinforcing member 13 and the upper surface 12t of the lifting unit 12 in contact with each other. On the upper surface 12t of the elevating unit 12, a convex portion 12i that protrudes toward the reinforcing member 13 and is arranged in an annular shape is formed. The lower surface 13u of the reinforcing member 13 protrudes toward the lifting unit 12 from the lower concave portion 13f formed to be recessed upward so as to be fitted to the outer peripheral edge of the convex portion 12i, and the convex portion 12i. And a lower convex portion 13g formed so as to be fitted to the inner peripheral edge.

  According to the above-described configuration, the lower surface 13u of the reinforcing member 13 includes the lower concave portion 13f formed to be recessed upward so as to be fitted to the outer peripheral edge of the convex portion 12i of the elevating unit 12, and the lower concave portion 13f. Since the lower convex part 13g which protrudes toward the raising / lowering unit 12 and is formed so that it may fit with the inner periphery of the convex part 12i is provided, it is convex when the reinforcement member 13 and the raising / lowering unit 12 are connected. By fitting the outer peripheral edge of the portion 12i to the lower concave portion 13f and fitting the lower convex portion 13g to the inner peripheral edge of the convex portion 12i, the connection strength between the reinforcing member 13 and the lifting unit 12 is further improved. Can do. Further, by fitting the outer peripheral edge of the convex part 12i to the lower concave part 13f and fitting the lower convex part 13g to the inner peripheral edge of the convex part 12i, the attachment position of the reinforcing member 13 and the lifting unit 12 during assembly Can be easily positioned. Therefore, assembly workability can be improved.

  The reinforcing member 13 is connected to the lifting unit 12 by a screw 15. The lower recess 13f is formed with an insertion hole 13b through which the reinforcing member 13 passes from the upper structure 20 toward the lifting unit 12 and the screw 15 is inserted. The lower convex portion 13g is arranged so as to surround the insertion hole 13b in plan view.

  According to the configuration described above, the lower convex portion 13g is arranged so as to surround the insertion hole 13b in plan view, and therefore the screw 15 inserted through the insertion hole 13b is directed toward the lifting unit 12 in the lower concave portion 13f. Can guide you. For this reason, the assembly workability | operativity at the time of connecting the reinforcement member 13 and the raising / lowering unit 12 with the screw 15 can be made favorable.

  Further, the upper structure 20 and the reinforcing member 13 are fastened to the lifting unit 12 with screws 15. Thereby, since the upper structure 20 and the reinforcement member 13 can be simultaneously connected to the raising / lowering unit 12, assembly workability | operativity can be made favorable.

  Further, the convex portion 12 i of the elevating unit 12 and the lower concave portion 13 f of the reinforcing member 13 are arranged so as to surround the upper convex portion 13 e of the reinforcing member 13 and the opening 22 h of the upper support 22 in plan view. For this reason, when the reinforcing member 13 and the elevating unit 12 disposed below the reinforcing member 13 are connected, the portion where the convex portion 12i and the lower concave portion 13f are fitted to each other is the reinforcing member 13 and the reinforcing member. When the upper structure 20 arranged on the upper side of 13 is connected, the upper convex portion 13e and the opening 22h are arranged on the outer side in a plan view than the portion where the upper protruding portion 13e and the opening 22h are fitted to each other. Therefore, the fitting part of the convex part 12i and the lower concave part 13f that are relatively arranged on the lower side is arranged on the outer side in a plan view than the fitting part of the upper convex part 13e and the opening 22h that is arranged on the upper side. Therefore, during assembly work, even in a temporarily assembled state in which the reinforcing member 13 is disposed on the lifting unit 12 and the upper structure 20 is disposed on the reinforcing member 13, the reinforcing member 13 and The upper structure 20 can be stably supported on the lifting unit 12. Thereby, assembly workability | operativity can be made favorable.

  Further, the screw 15 is disposed at a position inside the convex portion 12 i of the elevating unit 12 and the lower concave portion 13 f of the reinforcing member 13 and outside the upper convex portion 13 e of the reinforcing member 13 and the opening 22 h of the upper support 22 in plan view. Has been. Thereby, the force by fastening of the screw 15 can be satisfactorily transmitted to both the fitting portion between the convex portion 12i and the lower concave portion 13f and the fitting portion between the upper convex portion 13e and the opening 22h. Therefore, the connection strength between the reinforcing member 13 and the elevating unit 12 and the connection strength between the reinforcing member 13 and the upper structure 20 can be further improved.

  The upper structure 20 further includes an upper support 22 that supports the top plate 21. The reinforcing member 13 is disposed between the upper end portion 12 f of the elevating unit 12 and the upper support 22. The reinforcing member 13 is formed with a wiring insertion hole 13 h that penetrates the reinforcing member 13 from the upper end portion 12 f of the elevating unit 12 toward the upper support 22. The cable 12d connected to the elevating unit 12 is guided to the upper support 22 through the wiring insertion hole 13h.

  According to the above-described configuration, the cable 12d connected to the elevating unit 12 is guided to the upper support 22 through the wiring insertion hole 13h of the reinforcing member 13, so that the cable 12d is difficult to see from the outside. The appearance of the top plate lifting fixture 1 can be improved.

  In addition, the protruding portion 13 a of the reinforcing member 13 is formed in a taper shape with a size that protrudes in the width direction from the upper end portion 12 f of the elevating unit 12 toward the upper structure 20. Thereby, when a user touches the protrusion part 13a with a hand etc., it can prevent that a hand etc. are damaged. In addition, the reinforcing member 13 can be made thin, and the aesthetic appearance of the top plate lifting type furniture 1 can be improved.

  In the present embodiment, in the connection between the reinforcing member 13 and the upper structure 20, the upper convex portion 13e is formed on the upper surface 13t of the reinforcing member 13, and the upper convex portion 13e is formed on the lower surface 20u of the upper structural body 20. Although the opening 22h to be fitted was formed, the present invention is not limited to this. One of the upper surface 13t of the reinforcing member 13 and the lower surface 20u of the upper structure 20 is formed with a convex portion that protrudes toward the other, and the other is formed with a concave portion that fits the convex portion. If it is, the effect similar to this embodiment can be show | played.

  In the present embodiment, in the connection between the reinforcing member 13 and the lifting unit 12, a convex portion 12 i is formed on the upper surface 12 t of the lifting unit 12, and the outer peripheral edge of the convex portion 12 i is formed on the lower surface 13 u of the reinforcing member 13. Although the lower concave portion 13f to be fitted and the lower convex portion 13g to be fitted to the inner peripheral edge of the convex portion 12i are provided, the present invention is not limited thereto. For example, the lower convex portion 13g may not be provided on the lower surface 13u of the reinforcing member 13. In this case, a convex portion 12i that protrudes toward the lower surface 13u of the reinforcing member 13 is formed on the upper surface 12t of the elevating unit 12, and a lower concave portion 13f that fits with the convex portion 12i is formed on the lower surface 13u of the reinforcing member 13. Is formed.

  According to the above-described configuration, the upper surface 12 t of the elevating unit 12 is formed with the convex portion 12 i that protrudes toward the lower surface 13 u of the reinforcing member 13, and the lower side that fits the convex portion 12 i on the lower surface 13 u of the reinforcing member 13. Since the concave portion 13f is formed, the mounting position of the reinforcing member 13 and the lifting unit 12 can be easily positioned during assembly by fitting the convex portion 12i and the lower concave portion 13f to each other. Therefore, assembly workability can be improved. In addition, since the reinforcing member 13 and the elevating unit 12 are connected to each other in a state where the convex portion 12i is fitted in the lower concave portion 13f, the connection strength between the reinforcing member 13 and the elevating unit 12 can be improved. .

  Further, not limited to the above-described configuration, one of the lower surface 13u of the reinforcing member 13 and the upper surface 12t of the elevating unit 12 is formed with a convex portion protruding toward the other, and the other has the convex portion. If the recessed part to fit is formed, there can exist an effect similar to the structure mentioned above.

  Moreover, in this embodiment, although the upper structure 20 and the reinforcement member 13 were fastened together with the raising / lowering unit 12 with the screw | thread 15, it does not restrict to this. For example, the upper structure 20 and the reinforcing member 13 may be connected to each other by screws, and the reinforcing member 13 and the lifting unit 12 may be connected to each other by different screws.

  As mentioned above, although preferable embodiment of this invention was described, this invention is not limited to these embodiment. Additions, omissions, substitutions, and other modifications can be made without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Top plate raising / lowering type fixture 10 Leg member 11 Lower support body 12 Lifting unit 12d Cable 12f Upper end part 12i Convex part (2nd convex part)
12t Upper surface 13 Reinforcing member 13a Protruding portion 13e Upper convex portion (first convex portion)
13f Lower recess (second recess)
13g Lower convex part (third convex part)
13h Wiring insertion hole 13t Upper surface 13u Lower surface 15 Screw 20 Upper structure 20u Lower surface 21 Top plate 22 Upper support 22h Opening (first recess)
F Floor

Claims (10)

An upper structure having a top plate;
A pair of leg members that are provided on the floor surface, are provided apart from each other in the width direction of the top plate, and support the upper structure;
With
Each of the pair of leg members is
A lower support provided on the floor;
An elevating unit connected to the lower support, provided extending in the extending direction from the lower support toward the upper structure, and capable of extending and contracting in the extending direction;
Reinforcing members provided between the upper end of the elevating unit and the upper structure, respectively connected to the elevating unit and the upper structure,
Have
The reinforcing member has a protruding part that protrudes to the side of the pair of leg members facing each other in the width direction from the upper end part of the lifting unit in a plan view, and supports the upper structure. It is a top plate lifting type fixture according to claim 1,
The reinforcing member and the upper structure are connected to each other in a state where the upper surface of the reinforcing member and the lower surface of the upper structure are in contact with each other,
One of the upper surface of the reinforcing member and the lower surface of the upper structure is formed with a first convex portion projecting toward the other, and the other is a first concave portion fitted with the first convex portion. A top-bottom lift fixture that is formed. It is a top plate lifting type fixture according to claim 1 or 2,
The reinforcing member and the lifting unit are connected to each other in a state where the lower surface of the reinforcing member and the upper surface of the lifting unit are in contact with each other,
Of the lower surface of the reinforcing member and the upper surface of the elevating unit, one has a second convex portion that protrudes toward the other, and the other has a second concave portion that fits the second convex portion. A top-and-bottom lift fixture that is formed. It is a top plate lifting type fixture according to claim 1 or 2,
The reinforcing member and the lifting unit are connected to each other in a state where the lower surface of the reinforcing member and the upper surface of the lifting unit are in contact with each other,
On the upper surface of the elevating unit, a second convex portion that protrudes toward the reinforcing member and is arranged in an annular shape is formed,
The lower surface of the reinforcing member protrudes from the second recess toward the elevating unit, the second recess formed to be recessed upward to fit with the outer peripheral edge of the second protrusion, And a third convex part formed so as to be fitted to the inner peripheral edge of the two convex parts. It is a top plate lifting type fixture according to claim 4,
The reinforcing member is connected to the lifting unit by a screw,
The second recess is formed with an insertion hole through which the reinforcing member passes from the upper structure toward the lifting unit, and the screw is inserted therethrough.
The said 3rd convex part is arrange | positioned so that the said penetration hole may be enclosed in planar view. It is a top plate lifting type fixture according to any one of claims 1 to 4,
The upper structure and the reinforcing member are fastened together with the lifting unit by screws. It is a top plate lifting type fixture according to claim 1,
The reinforcing member and the upper structure are connected to each other in a state where the upper surface of the reinforcing member and the lower surface of the upper structure are in contact with each other,
One of the upper surface of the reinforcing member and the lower surface of the upper structure is formed with a first convex portion projecting toward the other, and the other is a first concave portion fitted with the first convex portion. Formed,
The reinforcing member and the lifting unit are connected to each other in a state where the lower surface of the reinforcing member and the upper surface of the lifting unit are in contact with each other,
Of the lower surface of the reinforcing member and the upper surface of the elevating unit, one has a second convex portion that protrudes toward the other, and the other has a second concave portion that fits the second convex portion. Formed,
The said 2nd convex part and said 2nd recessed part are arrange | positioned so that said 1st convex part and said 1st recessed part may be enclosed in planar view. It is a top plate lifting type fixture according to claim 7,
The upper structure and the reinforcing member are fastened together with the lifting unit by screws,
The screw is disposed at a position inside the second convex portion and the second concave portion and outside the first convex portion and the first concave portion in plan view. It is a top plate lifting type fixture according to any one of claims 1 to 8,
The upper structure further includes an upper support that supports the top plate,
The reinforcing member is disposed between the upper end portion of the elevating unit and the upper support,
The reinforcing member is formed with a wiring insertion hole penetrating the reinforcing member from the upper end portion of the elevating unit toward the upper support,
The cable connected to the elevating unit is inserted into the wiring insertion hole and guided to the upper support body. It is a top plate elevating type fixture according to any one of claims 1 to 9,
The protruding part of the reinforcing member is formed in a taper shape in which the dimension protruding in the width direction increases from the upper end part of the lifting unit toward the upper structure.

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