JP2019076242A - Top plate lifting/lowering furniture - Google Patents

Abstract

To provide top plate lifting/lowering furniture capable of improving stability of a top plate part (top plate).SOLUTION: Top plate lifting/lowering furniture 1A has a lower structure 2 placed on a floor surface 11, an upper structure 3 with a top plate part 32, and a coupling pin (coupling part) 4 for coupling the upper structure 3 to the lower structure 2. In the top plate lifting/lowering furniture, the coupling height of the upper structure 3 to the lower structure 2 can be changed. The lower structure 2 has a pair of lower support leg parts 22, 22 extending in the vertical direction and horizontally arranged at intervals, respectively, and an upper side reinforcing member (reinforcing member) 23 for connecting the pair of lower support leg parts 22, 22 to each other. The upper structure 3 has a pair of upper support leg parts 31, 31 extending in the vertical direction, horizontally arranged at intervals and supporting a top plate part 32, respectively. The coupling pin 4 couples the lower support leg part 22 with the upper support leg part 31 in the vicinity of the upper side reinforcing member 23 in the lower support leg part 22.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a table-lifting type fixture.

As a fixture such as desk used in office space in office, educational facilities, other public facilities, etc., according to the physique of the user and desired work posture (for example, sitting posture and standing posture), the height of the top plate A table-lifting-type fixture that can change the size is used.
By using such a table-lifting-type fixture, the user can arrange the work surface of the table-top at a desired height, and work can be performed efficiently.

  As a means to change the height of the top plate in the top plate lifting type fixture, for example, a lifting mechanism by an electric lifting mechanism or a gas spring may be adopted. In addition, the top board lifting type fixture has a structure in which the upper structure having the top plate is connected to the lower structure mounted on the floor surface, and the connecting height of the upper structure relative to the lower structure can be changed. Many plate elevator fixtures are also adopted (see, for example, Patent Document 1).

Patent No. 5404302 gazette

  In the case of a table-lifting type fixture having a structure in which an upper structure having a top plate is connected to a lower structure mounted on the floor, the upper structure is placed at a high position so that the height of the top plate is increased. If it is connected to the lower structure, the stability of the top plate may be degraded, such as the top plate becoming jerky.

  Then, an object of this invention is to provide the top-plate raising / lowering-type fixture which can improve stability of a top-plate part (top plate).

  In order to achieve the above object, a top-plate lifting type fixture according to the present invention comprises a lower structure mounted on a floor surface, an upper structure having a top plate portion, and the upper structure in the lower structure. And a connecting portion for detachably connecting the upper structure to the lower structure, wherein the lower structure extends in the vertical direction, and the lower structure is capable of changing the connection height of the upper structure to the lower structure. The upper structure has a pair of lower support legs arranged in a horizontal direction and reinforcement members connecting the pair of lower support legs to each other, and the upper structure extends in the vertical direction to be horizontal. A pair of upper support legs arranged at intervals in the direction to support the top plate, and the connection part is the lower support leg and the upper part near the reinforcing member in the lower support leg It is characterized by connecting with a support leg.

In the present invention, since the pair of lower support legs of the lower structure is connected by the reinforcing member, the relative displacement of the pair of lower support legs is suppressed, and the lower structure can be made into a strong structure. In particular, the vicinity of the reinforcing members of the pair of lower support legs in the lower structure has a strong structure.
The connection between the lower support leg and the upper support leg in the vicinity of the reinforcing member allows the upper structure to be supported in a stable state by the lower structure. Thus, even if the connecting portion connects the lower support leg and the upper support leg in a state where the upper structure is disposed at a high position so that the height of the top plate is increased, the lower structure is the upper portion. The structure can be supported in a stable state. Therefore, in the top-plate lifting type fixture according to the present invention, the top plate can be supported in a stable state regardless of the height of the top plate.
The vicinity of the reinforcing member in the lower support leg indicates the vicinity of the mounting position at which the reinforcing member is attached in the lower support leg.

  Further, in the top-plate lifting type fixture according to the present invention, the lower structure mounted on the floor surface, the upper structure having the top plate portion, and the upper structure are detachably connected to the lower structure. And the lower structural body extends in the vertical direction and has a space in the horizontal direction. And a pair of upper support legs extending in the vertical direction and spaced apart in the horizontal direction to support the top plate, And a reinforcing member connecting the pair of upper support leg portions to each other, wherein the connecting portion connects the upper structure to the lower structure at the uppermost position. The lower support leg and the lower support leg in the vicinity of the reinforcing member in the support leg Characterized in that it connects the section support legs.

In the present invention, since the pair of upper support leg portions of the upper structure is connected by the reinforcing member, the relative displacement of the pair of upper support leg portions is suppressed, and the upper structure can be made into a strong structure. In particular, the vicinity of the reinforcing members of the pair of upper support legs in the upper structure is a strong structure.
When connecting the upper structure to the lower structure at the uppermost position, the connecting portion connects the lower support leg and the upper support leg in the vicinity of the reinforcing member, thereby the upper structure Is supported by the lower structure in a stable state. Thereby, even if the connecting portion connects the lower support leg portion and the upper support leg portion in a state where the upper structure body is disposed at a high position so that the height of the top plate portion is increased, the upper structure body is It is supported in a stable state by the structure. Therefore, in the top-plate lifting type fixture according to the present invention, even when the height of the top plate portion is increased, the top plate portion can be supported in a stable state.
The vicinity of the reinforcing member in the upper support leg indicates the vicinity of the attachment position where the reinforcing member is attached in the upper support leg.

Further, in the top-plate-lift-type fixture according to the present invention, the connection portion may connect the lower support leg portion and the upper support leg portion on both the upper side and the lower side of the reinforcing member.
With such a configuration, the connection portion can connect the upper support leg portion and the lower support leg portion in a more stable state, so that the stability of the top plate portion can be improved.

Further, in the top-plate-lift-type fixture according to the present invention, one of the lower support leg and the upper support leg extends in the vertical direction to the inside, and one of the lower support leg and the upper support leg The connection portion includes the upper support leg portion and the lower support leg portion in a state where the other has an insertable hollow portion and the other of the lower support leg portion and the upper support leg portion is inserted into the empty portion. It may be connected to a part.
With such a configuration, the upper support leg and the lower support leg can be easily positioned, and the connecting portion ensures the upper support leg and the lower support leg in a stable state. It can be linked.

Further, in the top-plate-lift-type fixture according to the present invention, the lower support leg has a first hole, and the upper support leg has a plurality of second holes formed at intervals in the vertical direction. And the connection portion has a connection pin which can be inserted into the first hole portion and the second hole portion overlapping each other to connect the lower support leg portion and the upper support leg portion. May be
With such a configuration, the upper structure is disposed at a desired height, and the first hole and the first hole of the lower support leg of the plurality of second holes of the upper support leg are arranged. The lower support leg and the upper support leg can be connected easily and firmly because the lower support leg and the upper support leg may be connected by the connection pin inserted into the second hole overlapping the it can.
In addition, since the connection structure between the lower support leg and the upper support leg is a simple structure, it is possible to reduce the manufacturing cost of the table-lifting type fixture.

Moreover, in the top-plate lifting-type fixture according to the present invention, the connection pin includes a first connection member and a second connection member, and the first connection member includes the first hole and the second hole. An insertion part which can be inserted through the part and in which a female screw or an external screw is formed, and a first contact part joined to the insertion part and brought into contact with one of the lower structure and the upper structure And the second connection member includes a screw portion screwable to the insertion portion, and a second contact portion joined to the screw portion and brought into contact with the other of the lower structure and the upper structure. The screw portion is screwed into the insertion portion inserted into the first hole portion and the second hole portion, and the first contact portion and the second contact portion are the lower support leg Part and the upper support leg may be held.
With such a configuration, the lower support leg and the upper support leg can be connected easily and firmly. Further, the connecting pin connects the lower support leg and the upper support leg in a stable state, since the first contact portion and the second contact portion sandwich the lower support leg and the upper support leg. be able to.

Further, in the top-plate lifting-type fixture according to the present invention, the top-plate lifting-type fixture has an upper first hole provided on the upper side as the first hole and a lower first hole provided on the lower side; Three or more holes are provided to be able to communicate with each of the upper first hole and the lower first hole, and the first connecting member serves as the insertion portion, and the upper first hole and the first connection member are provided. The upper insertion portion inserted into the second hole portion, and the lower insertion portion inserted into the lower first hole portion and the second hole portion, and the first contact portion is the upper insertion portion And the lower insertion part may be connected.
With such a configuration, the upper insertion portion is inserted into the upper first hole portion and the second hole portion by one connection pin, and the lower insertion portion is inserted into the lower first hole portion and the second hole portion. Therefore, the lower support leg and the upper support leg can be firmly connected by screwing the screw portion of the second connection member to each of the upper insertion portion and the lower insertion portion.

Further, in the top-plate-lift-type fixture according to the present invention, when the screw portion is screwed into the insertion portion, the space between the first contact portion and the second contact portion is maintained at a predetermined distance. You may have a part.
With such a configuration, it is possible to prevent the first and second contact portions from excessively holding the lower support leg and the upper support leg, and the lower support leg and the upper support leg Deformation can be prevented.

  According to the present invention, the stability of the top plate portion (top plate) can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows an example of the top-plate raising / lowering type fixture according to 1st Embodiment of this invention. It is a side view of a lower structure. It is the sectional view on the AA line of FIG. It is a side view of a superstructure. It is the BB sectional drawing of FIG. It is a perspective view of a connection pin. It is the CC sectional view taken on the line of FIG. It is a figure which shows a mode that the top-plate part was arrange | positioned in the high position in the side view of the top-lifting type | mold apparatus by 1st Embodiment of this invention. It is a figure which shows a mode that the top-plate part was arrange | positioned in the low position in the side view of the top-lifting type | mold apparatus by 1st Embodiment of this invention. It is a perspective view which shows an example of the top-plate raising / lowering type fixture according to 2nd Embodiment of this invention. It is a side view of a lower structure. It is a side view of a superstructure. It is a figure which shows a mode that the top-plate part was arrange | positioned in the high position in the side view of the top-lifting type | mold apparatus by 2nd Embodiment of this invention. It is a figure which shows a mode that the top-plate part was arrange | positioned in the low position in the side view of the top-lifting type | mold apparatus by 2nd Embodiment of this invention. It is a perspective view which shows the modification of the top-plate raising / lowering type fixture according to 1st Embodiment of this invention. It is a perspective view showing other connecting pins.

First Embodiment
Hereinafter, a top-lifting type fixture according to a first embodiment of the present invention will be described based on FIGS. 1 to 9.
The table-lifting type fixture 1A according to the first embodiment shown in FIG. 1 is, for example, a desk used in a school or the like, and is configured to be able to change the height of the table-top unit 32.
The top plate portion 32 of the top-lifting type fixture 1A according to the present embodiment is formed in a rectangular shape whose shape in plan view is horizontally long. In the following description, the direction in which the short side of the rectangular shape in plan view of the top plate 32 extends is referred to as the front-rear direction, and the direction in which the long side extends is referred to as the left-right direction.
The user is set to work with the top plate portion 32 mainly in a state of facing the top-plate lifting type fixture 1A from one side in the front-rear direction. One side in the front-rear direction (the user side with respect to the table-lifting type fixture 1A) is referred to as the front side, and the opposite side is referred to as the rear side.
In the following, in the left and right direction, the side with the center of the top and bottom lifting fixture 1 in the left and right direction with respect to both ends of the top and bottom lifting fixture 1A is the inner side. The side with both end portions in the left and right direction with respect to the center portion of is referred to as the outside.

The top-plate lifting type fixture 1A has a lower structure 2 installed on the floor surface 11, an upper structure 3 having a top plate portion 32 and connected to the upper side of the lower structure 2, a lower structure 2 and an upper portion And a connecting pin 4 for connecting to the structure 3.
As shown in FIG. 1 and FIG. 2, the lower structure 2 has an upper side from a pair of base portions 21 and 21 and a pair of base portions 21 and 21 placed on the floor surface 11 at intervals in the left-right direction. Upper support members (reinforcing members) 23 for connecting the vicinity of the upper end portions 22a of the pair of lower support legs 22 and 22, and the pair of lower support legs 22 and 22. And a lower reinforcing member 24 connecting the vicinity of the lower end portion 22b of

As shown in FIG. 1, one base 21A of the pair of bases 21 and 21 is disposed in the vicinity of one end of the top-plate lifting type fixture 1A in the left-right direction, and the other base 21B is It is disposed in the vicinity of the other end of the top-plate lifting type fixture 1A in the left-right direction. The pair of base portions 21 and 21 are formed in shapes symmetrical with each other in the left-right direction.
As shown in FIGS. 1 and 2, the base portion 21 is a long member and is mounted on the floor surface 11 in a direction extending in the front-rear direction. In the present embodiment, a metal square pipe is used for the base portion 21. Further, in the present embodiment, the front end portion and the rear end portion of the base portion 21 are covered with a cap 25 made of resin.

The pair of lower support legs 22 and 22 is a long member, and one lower support leg 22A extends upward from the middle in the front-rear direction of one base 21A, and the other lower support leg 22B is the other It extends upward from an intermediate portion in the front-rear direction of the base portion 21B. One lower support leg 22A is disposed in the vicinity of one end of the top-lifting type fixture 1A in the left-right direction, and the other lower support leg 22B is the other side of the top-lift type fixture 1A in the left-right direction. Located near the end of the
In the description of the lower support legs 22, the side in which the pair of lower support legs 22 and 22 approach each other corresponds to the inside in the left-right direction, and the side in which the pair of lower support legs 22 and 22 separate from each other is the outside in the left-right direction. It corresponds to
The pair of lower support legs 22 and 22 are formed to be symmetrical with each other in the left-right direction. In the present embodiment, a metal square pipe is used for the lower support leg portion 22.

  As shown in FIGS. 1 to 3, the lower support leg portions 22 are each formed in a flat plate shape, and are disposed on the front side, and a first front plate portion 221 whose plate surface faces in the front-rear direction; Of the first rear plate portion 222 and the inner end portion 222a (see FIG. 3) of the first front plate portion 221 in the left-right direction 3), and the first inner plate portion 223 whose plate surface is oriented in the left-right direction, and the outer end portion 221b (see FIG. 3) of the first front plate portion 221 in the left-right direction It has the 1st outer plate part 224 which extends to the end part 222b (refer to Drawing 3) of a lateral direction outside, and a board surface turns to the lateral direction.

An upper reinforcing member 23 is joined to the first inner plate portion 223 of each of the pair of lower support legs 22, 22.
As shown in FIG. 1, the upper reinforcing member 23 is a rod-like member, and is disposed in the direction extending in the left-right direction. In the upper reinforcing member 23, one end 23a in the left-right direction (longitudinal direction) is joined to the first inner plate portion 223 of one lower support leg 22A, and the other end 23b in the left-right direction is the other lower part It is joined to the 1st inner plate part 223 of support leg 22B. In the present embodiment, a metal round pipe is used as the upper reinforcing member 23 and is welded to the lower support leg 22. The upper reinforcing member 23 is joined slightly lower than the upper end 22 a of the lower support leg 22.

  In the first inner plate portion 223, a first inner plate upper side hole 223a penetrating in the left-right direction above the upper reinforcing member 23 is formed, and a first inner side penetrating in the left-right direction below the upper reinforcing member 23 A plate lower hole 223b is formed. The distance between the upper reinforcing member 23 and the first inner plate portion upper hole 223a and the distance between the upper reinforcing member 23 and the first inner plate lower hole 223b are set to the same dimension. The first inner plate upper side hole 223a and the first inner plate lower hole 223b are formed to have the same diameter.

In the first outer plate portion 224, a first outer plate upper side hole portion 224a (first hole portion, upper first hole portion) penetrating the plate surface in the left-right direction is formed on the upper side of the upper reinforcing member 23. On the lower side of the reinforcing member 23, a first outer plate portion lower side hole portion 224b (first hole portion, lower first hole portion) penetrating in the left-right direction is formed. The distance between the upper reinforcing member 23 and the first outer plate upper hole 224a and the distance between the upper reinforcing member 23 and the first outer plate lower hole 224b are set to the same dimension. The first outer plate portion upper side hole portion 224a and the first outer plate portion lower side hole portion 224b are formed to have the same diameter as each other, and from the first inner plate portion upper side hole portion 223a and the first inner plate portion lower side hole portion 223b It is also formed to a large diameter.
The centers of the first outer plate upper side hole portion 224 a and the first inner plate upper side hole portion 223 a are disposed at the same height. The centers of the first outer plate lower hole portion 224 b and the first inner plate lower hole portion 223 b are arranged at the same height.

The lower reinforcing member 24 is joined to the first rear plate portion 222 of each of the pair of lower support legs 22, 22.
The lower reinforcing member 24 is formed in a rod-like member bent in a C-shape (U-shape). As shown in FIG. 1, in the lower reinforcing member 24, one end 24a is joined to the first back plate 222 of one lower support leg 22A, and the other end 24b is the other lower support leg It is joined to the 1st backplate part 222 of 22B. The lower reinforcing member 24 includes a pair of first rod portions 241 and 241 extending rearward from the first rear plate portion 222 of the pair of lower support legs 22 and 22 and a pair of first rod portions 241 and 241. And a second rod-like portion 242 connecting the rear end portions.

In the present embodiment, the lower reinforcing member 24 is a metal round pipe, and the pair of first rod-shaped portions 241 and 241 and the second rod-shaped portion 242 are integrally formed. The lower reinforcing member 24 is welded at its both ends 24 a and 24 b to the lower support leg 22. The lower reinforcing member 24 is joined slightly above the lower end 22 b of the lower support leg 22.
The pair of first rod-shaped portions 241, 241 is disposed above the pair of base portions 21, 21. The second rod-like portion 242 is disposed in front of the rear end portions of the pair of base portions 21, 21.

  As shown in FIGS. 1 and 4, the upper structure 3 is supported by a pair of upper support legs 31, 31 connected to the lower support leg 22 and a pair of upper support legs 31, 31. A top plate portion 32, a pair of top plate reinforcement portions 33 and 33 for reinforcing the top plate portion 32, and a storage portion 34 provided below the top plate portion 32 are provided.

The pair of upper support legs 31, 31 are each formed in a long shape and arranged in a direction extending in the vertical direction. One upper support leg 31A of the pair of upper support legs 31, 31 is configured to be detachable from one lower support leg 22A, and the other upper support leg 31B is configured to be the other lower support leg 22B. It is configured to be removable.
One upper support leg 31A is disposed in the vicinity of one end of the top-lifting type fixture 1A in the left-right direction, and the other upper support leg 31B is the other side of the top-lift type fixture 1A in the left-right direction. Located near the end of the
In the description of the upper support legs 31, the side in which the pair of upper support legs 31 and 31 approach each other corresponds to the inside in the left-right direction, and the side in which the pair of upper support legs 31 and 31 separates It corresponds to
The pair of upper support leg portions 31 and 31 are formed in shapes symmetrical with each other in the left-right direction. In the present embodiment, the upper support leg 31 is formed of a metal channel material having a C-shaped cross section and a groove 314 formed over the entire length direction. It is done.

  The upper support leg portions 31 are each formed in a flat plate shape, and are disposed on the front side, and a second front plate portion 311 whose plate surface faces the front-rear direction, and a second front plate portion disposed on the rear side, the plate surface faces the front-rear direction It extends from the rear plate portion 312 and an end portion 311a (see FIG. 5) of the second front plate portion 311 in the lateral direction to the lateral end 312b (see FIG. 5) of the second rear plate portion 312. And a second outer plate portion 313 whose plate surface faces in the left-right direction.

The groove portion 314 of the upper support leg portion 31 is surrounded by the second front plate portion 311, the second rear plate portion 312, and the second outer plate portion 313, and opens in the left and right direction. The groove 314 is formed in a shape in which the lower support leg 22 can be inserted.
As shown in FIG. 1, when the lower support leg 22 is inserted into the groove 314, the second front plate 311 of the upper support leg 31 is disposed on the front side of the first front plate 221 of the lower support leg 22. The second rear plate portion 312 of the upper support leg portion 31 is disposed on the rear side of the first rear plate portion 222 of the lower support leg portion 22, and the outer side portion 224 of the lower support leg portion 22 is laterally The second outer panel 313 of the upper support leg 31 is disposed.
The lower support leg 22 and the upper support leg 31 are connected in a state in which the lower support leg 22 is inserted into the groove 314 of the upper support leg 31.

As shown in FIGS. 1, 4 and 5, in the second outer plate portion 313, a second outer plate portion hole portion (second hole portion) 313a penetrating the plate surface in the left-right direction is spaced in the vertical direction. There are multiple openings.
The second outer plate portion hole portion 313 a is formed to have the same diameter as the first outer plate portion upper side hole portion 224 a of the lower support leg portion 22 and the first outer plate portion lower side hole portion 224 b. The distance between the centers of the second outer plate portion holes 313a adjacent in the vertical direction is equal, and the center of the first outer plate portion upper hole portion 224a in the lower support leg 22 and the center of the first outer plate portion lower hole portion 224b And is set to 1/3 of the distance. Therefore, the lower support leg 22 is inserted into the groove 314 of the upper support leg 31, and the upper support leg 31 is set to a desired height with respect to the lower support leg 22 so that the upper side of the first outer plate is upper. When the second outer plate portion hole portion 313a is overlapped with the hole portion 224a, the second outer plate portion hole portion 313a located three places lower than the second outer plate portion hole portion 313a is the first outer plate portion lower hole portion It overlaps with 224b.

As shown in FIG. 4, the top plate portion 32 is connected to the top plate main body 321 having the work surface and the upper end portions of the pair of upper support leg portions 31 and 31, and the pair of top plate main bodies 321 is fixed. A top board main body fixing portion 322, 322 is provided.
The top plate main body 321 is formed in a flat plate shape whose plate surface is rectangular, and is disposed in a direction in which the plate surface faces in the vertical direction. The upper surface of the top plate main body 321 is used by the user as a work surface. The top plate main body 321 is formed of, for example, a plate made of wood or resin.

The pair of top plate main body fixing portions 322, 322 are each formed to be long, and are arranged in a direction extending in the front-rear direction. The top plate main body fixing portion 322A of the pair of top plate main body fixing portions 322, 322 has the middle portion in the front-rear direction (longitudinal direction) joined to the upper end portion of one upper support leg portion 31A. The upper support leg 31B has a middle portion in the front-rear direction joined to the upper end of the other upper support leg 31B.
One top plate fixing portion 322A is disposed in the vicinity of one end of the top and bottom lifting fixture 1A in the left and right direction, and the other top plate fixing portion 322B is in the left and right direction of the top lifting and lowering fixture 1A. It is disposed near the other end.

The pair of top plate main body fixing portions 322, 322 are formed in shapes that are symmetrical in the left-right direction. In the present embodiment, the top plate fixing portion 322 is formed of metal so that the upper end surface is flat.
The top plate main body 321 is placed on the top of each of the pair of top plate main body fixing portions 322, 322, and the top plate main body 321 is fixed by a fixing tool such as a screw. The upper end surfaces of the top plate fixing portions 322, 322 are in contact with the lower surface of the top plate main body 321.

The pair of top plate reinforcing portions 33, 33 are each formed in a substantially L-shaped bent rod shape, one end 33a is joined to the upper support leg portion 31, and the other end 33b is the top plate main body fixing portion 322 It is joined with. The middle portion of one top plate reinforcing portion 33A of the pair of top plate reinforcing portions 33, 33 is joined to the upper end portion of one upper support leg portion 31A in the front-rear direction (longitudinal direction), and the other top plate An intermediate portion in the front-rear direction of the reinforcing portion 33B is joined to an upper end portion of the other upper support leg portion 31B.
One top reinforcing portion 33A is disposed near one end of the top and bottom lifting fixture 1A in the left and right direction, and the other top reinforcing portion 33B is the other side of the top and bottom lifting fixture 1A in the left and right direction. Located near the end of the

The pair of top plate reinforcing portions 33, 33 are formed in shapes symmetrical with each other in the left-right direction.
The top reinforcing portion 33 is a diagonally extending from the front end of the first rod portion 331 toward the upper side gradually from the first rod portion 331 extending forward from the second front plate portion 311 of the upper support leg 31. And a second rod-like portion 332 that extends in a direction and is joined to the lower surface of the top-plate main body fixing portion 322. In the present embodiment, a metal round pipe is used for the top plate reinforcing portion 33, and the first rod portion 331 and the second rod portion 332 are integrally formed. The top reinforcing portion 33 is welded to the upper support leg 31 and the top main body fixing portion 322.
The top reinforcing portion 33 is provided so that the front side of the top main body fixing portion 322 and the upper support leg 31 of the top main body 321 does not tilt downward due to a load from the upper side acting on the top main body.

As shown in FIGS. 1 and 4, the storage portion 34 is disposed below the top plate main body 321 and between the pair of upper support legs 31 and 31. The storage portion 34 includes a bottom plate portion 341 disposed below the top plate main body 321 at an interval, a rear plate portion 342 extending upward from a rear edge portion of the bottom plate portion 341, and both lateral directions of the bottom plate portion 341. And a pair of side plate portions 343 and 343 extending upward from the respective edge portions. Both left and right edge portions of the rear plate portion 342 and rear edge portions of the pair of side plate portions 343 and 343 are connected. In the present embodiment, the storage portion 34 is formed of a steel plate or the like.
Upper ends of the rear plate portion 342 and the pair of side plate portions 343 and 343 are fixed to the lower surface of the top plate main body 321. A storage space 344 opened to the front and surrounded by the bottom plate portion 341, the rear plate portion 342, the side plate portions 343 and 343, and the top plate main body 321 of the storage portion 34 is configured to be able to store an article.

As shown in FIGS. 1 and 6, the connection pin 4 has a first connection member 41 and two second connection members 42 joined to the first connection member.
As shown in FIG. 6, the first connection member 41 is formed in a tubular shape having a screw thread on the inner peripheral surface thereof, which protrudes from one surface of the flat first contact portion 411 and the first contact portion 411. And two insertion parts 412.

  The first contact portion 411 is formed in an elongated shape in which the plate surface has an oval shape. Insertion portions 412 are provided in the vicinity of both end portions in the longitudinal direction of the first contact portion 411, respectively. The distance between the centers of the two insertion portions 412 is set to the same dimension as the distance between the center of the first outer plate upper hole 224a and the center of the first outer plate lower hole 224b (see FIG. 2). . The dimension in the lateral direction of the first contact portion 411 is set to be slightly smaller than the dimension in the front-rear direction of the lower support leg portion 22 (the dimension in the front-rear direction of the first outer plate portion 224, see FIG. 2) There is.

The insertion portion 412 can be inserted into the first outer plate upper side hole 224a, the first outer plate lower hole 224b, and the plurality of second outer plate holes 313a (see FIGS. 2 to 5). The inner plate upper side hole 223 a and the first inner plate lower side hole 223 b are formed in a shape that can not be inserted.
One end of the insertion portion 412 in the axial direction is joined to one surface of the first contact portion 411.
Of the two insertion portions 412, when the connection pin 4 connects the lower support leg 22 and the upper support leg 31, the one which is the upper side and is inserted into the first outer plate upper hole 224a is the present invention. The lower insertion portion corresponding to the upper insertion portion and being inserted into the first outer plate lower hole portion 224b corresponds to the lower insertion portion of the present invention.

As shown in FIG. 6, the two second connection members 42 are the same screw that can be screwed into the inside of the insertion portion 412, and have a screw portion 421 formed with a screw thread on the outer periphery and one of the screw portions 421. And a head 422 connected thereto (hereinafter referred to as a second contact portion 422).
The screw portion 421 is formed in a shape that can be inserted into the first inner plate upper side hole 223a and the first inner plate lower hole 223b. The outer diameter of the second contact portion 422 is larger than the inner diameters of the first inner plate upper side hole 223a and the first inner plate lower lower hole 223b, and the first inner plate upper side hole 223a and the first inner plate The dimension is set such that the lower hole portion 223b can not be inserted.

Next, the connection structure of the lower structure 2 and the upper structure 3 will be described.
As shown in FIG. 1, the lower structure 2 and the upper structure 3 are connected in a state where the lower support leg 22 of the lower structure 2 is disposed in the groove 314 of the upper support leg 31 of the upper structure 3. It is done.
As shown in FIG. 7, the second front plate portion 311 of the upper support leg portion 31 is disposed on the front side of the first front plate portion 221 of the lower support leg portion 22, and the first rear plate portion 222 of the lower support leg portion 22. The second rear plate portion 312 of the upper support leg 31 is disposed on the rear side of the second support plate 31. The second outer plate portion 313 of the upper support leg 31 is disposed outside the first outer plate portion 224 of the lower support leg 22. ing.
Each of the first outer plate upper side hole portion 224 a and the first outer plate lower hole portion 224 b formed in the first outer plate portion 224 of the lower support leg portion 22 corresponds to the second outer plate portion 313 of the upper support leg portion 31. The second outer plate portion hole portion 313a formed in the upper and lower sides is disposed so as to overlap in the left-right direction.

The insertion portion 412 of the first connection member 41 includes a first outer plate upper side hole 224a and a second outer plate hole 313a, and a first outer plate lower hole 224b and a second outer plate that overlap in the left-right direction. The insertion portion 412 of the first connection member 41 is inserted into the lower support leg portion 22 through the portion hole portion 313 a.
The tip end portion 412 a of the insertion portion 412 inserted into the inside of the lower support leg portion 22 is in contact with the first inner plate portion 223 of the lower support leg portion 22 from the first outer plate portion 224 side. The first contact portion 411 of the first connection member 41 is in surface contact with the second outer plate portion 313 of the upper support leg portion 31.
The threaded portion 421 of the second connecting member 42 is provided with a lower portion via the first inner plate upper side hole 223 a and the first inner plate lower hole 223 b formed in the first inner plate 223 of the lower support leg 22. It is inserted into the inside of the support leg 22 and screwed into the insertion portion 412 inserted into the inside of the lower support leg 22. The second contact portion 422 of the second connection member 42 is in contact with the first inner plate portion 223.
In the connection pin 4, the first connection member 41 and the second connection member 42 are connected by screwing the insertion portion 412 of the first connection member 41 and the screw portion 421 of the second connection member 42, and the first connection is performed. The first contact portion 411 of the member 41 and the second contact portion 422 of the second connection member 42 sandwich and connect the lower support leg 22 and the upper support leg 31 in the left-right direction.

  The insertion portion 412 has the first inner plate portion 223 and the first outer plate portion 224 because the tip end portion 412 a is in contact with the first inner plate portion 223 of the lower support leg portion 22 from the first outer plate portion 224 side. And has a function of a space holding portion which holds a space between the two. Therefore, even if the first connection member 41 and the second connection member 42 are strongly tightened, the first inner plate portion 223 is prevented from being deformed to the insertion portion 412 side (the first outer plate portion 224 side). There is.

As described above, in the upper support leg portion 31, a plurality of second outer plate portion hole portions 313a are formed in the vertical direction. Therefore, even if the height of the upper structural body 3 with respect to the lower structural body 2 is changed, the first outer skin portion upper side hole portion 224 a and the first outer skin portion lower side hole portion 224 b of the lower support leg portion 22 are upper support It is arrange | positioned in the position which overlaps with two 2nd outer-plate part holes 313a of the some 2nd outer-plate part holes 313a of the leg part 31 in the left-right direction.
The second outer plate hole 313a overlapping the first outer plate upper hole 224a and the second outer plate hole 313a overlapping the first outer plate lower hole 224b are vertically adjacent to each other. The two second outer plate portion holes 313a are interposed therebetween.

As shown in FIG. 8, in the case where the height of the top plate main body 321 is increased, the upper structure 3 is connected to the lower structure 2 at a high position.
The two second outer plate holes 313a and 313a on the lower side of the plurality of second outer plate holes 313a of the upper structural body 3 are the first outer plate upper hole 24a and the first lower plate 2 of the lower structure 2. [1] Overlap on the outer plate lower hole 224b. The first connection of the connection pin 4 to the overlapping second outer plate portion hole portion 313a and the first outer plate portion upper side hole portion 224a, and to the overlapping second outer plate portion hole portion 313a and the first outer plate portion lower side hole portion 224b. The insertion portion 412 (see FIG. 7) of the member 41 is inserted. Then, the screw portion 421 (see FIG. 7) of the second connection member 42 is inserted into the first inner plate upper side hole 223a and the first inner plate lower hole 223b of the lower structure 2, and the inserted screw portion By screwing 421 into the insertion part 412, the lower structure 2 (lower support leg 22) and the upper structure 3 (upper support leg 31) are connected.

Further, as shown in FIG. 9, when the height of the top plate main body 321 is reduced, the upper structural body 3 is connected to the lower structural body 2 at a low position.
Of the plurality of second outer plate holes 313a of the upper structure 3, the two second outer plate holes 313a and 313a on the upper side are the first outer plate upper hole 24a and the first lower plate 2 of the lower structure 2. [1] Overlap on the outer plate lower hole 224b. Then, the lower structure 2 (lower support leg 22) and the upper structure 3 (upper support leg 31) are connected by the connecting pin 4 in the same manner as in the case where the height of the top plate main body 321 described above is increased.
In this manner, the height of the top plate main body 321 (the top plate portion 32) can be changed in accordance with the physique and use of the user.

Next, the operation and effects of the top-lifting type fixture 1A according to the above-described first embodiment will be described using the drawings.
In the top-plate lifting-type fixture 1A according to the first embodiment, the pair of lower support legs 22 and 22 of the lower structure 2 is connected by the upper reinforcing member 23, so the relative relationship between the pair of lower support legs 22 and 22 The displacement is suppressed, and the lower structure 2 can be made into a strong structure. In particular, the vicinity of the upper reinforcing member 23 of the pair of lower support legs 22 and 22 in the lower structure 2 has a strong structure.
The connection pin 4 is supported in a stable state by the lower structure 2 by connecting the lower support leg 22 and the upper support leg 31 in the vicinity of the upper reinforcing member 23 in the lower support leg 22. It will be. Thus, even if the upper structural body 3 is arranged at a high position so that the height of the top plate portion 32 becomes high, the lower structural body 2 stabilizes the upper structural body 3 even if it is connected to the lower structural body 2 It can be supported by the state. Therefore, in the table-lifting type fixture 1A according to the present embodiment, the stability of the table-top unit 32 can be improved.

  Moreover, in the top-plate lifting-type fixture 1A according to the present embodiment, the connecting pin 4 includes the lower support leg 22 and the upper support leg 31 at both the upper and lower sides of the upper reinforcing member 23 in the lower support leg 22. It is connected. As a result, the pair of upper support legs 31 and 31 is supported by the lower structure 2 in a stable state. Thereby, the stability of the top plate portion 32 can be further improved in the top-lifting type fixture 1A according to the present embodiment.

  Further, in the top-plate lifting-type fixture 1A according to the present embodiment, the connection pin 4 includes the lower support leg 22 and the upper support leg 31 while the lower support leg 22 is inserted into the groove 314 of the upper support leg 31. Are linked. As a result, the upper support leg 31 and the lower support leg 22 can be securely connected, and the upper support leg 31 and the lower support leg 22 can be easily positioned. Further, when adjusting the height of the top plate portion 32, the lower support leg portion 22 and the upper support leg portion 31 may be slid in the vertical direction with the lower support leg portion 22 inserted in the groove portion 314. Can be prevented from being separated.

Further, in the top board lifting type fixture 1 according to the present embodiment, the height of the upper structural body 3 with respect to the lower structural body 2 is adjusted, and the first outer plate upper side hole portion 224 a and the first support portion 22 formed in the lower support leg portion 22 The second outer plate portion hole portion 313a of the plurality of second outer plate portion hole portions 313a formed in the upper support leg portion 31 is overlapped with the outer plate portion lower side hole portion 224b, and the connection pin 4 is formed. The lower support leg portion 22 and the upper support leg portion 31 are connected to each other by being inserted. With such a configuration, the table-lifting type fixture 1A according to the present embodiment can connect the lower support leg 22 and the upper support leg 31 easily and firmly.
In addition, since the connection structure between the lower support leg 22 and the upper support leg 31 is a simple structure, the manufacturing cost of the table-lifting type fixture 1A can be reduced.

  Further, in the present embodiment, in the connection pin 4, the insertion portion 412 of the first connection member 41 and the screw portion 421 of the second connection member 42 are screwed together, and the first contact portion 411 of the first connection member 41. Since the lower support leg 22 and the upper support leg 31 are held by the second contact portion 422 of the second connecting member 42, the lower support leg 22 and the upper support leg 31 can be easily and firmly Can be linked to

  Further, in the top-plate lifting-type fixture 1A according to the present embodiment, the insertion portion 412 is in contact with the first inner plate portion 223 of the lower support leg portion 22 from the first outer plate portion 224 side. It has a function of a space holding portion which holds the space between the first inner plate portion 223 and the first outer plate portion 224. Therefore, even if the first connecting member 41 and the second connecting member 42 are strongly tightened, the first inner plate portion 223 is prevented from being deformed to the insertion portion 412 side (the first outer plate portion 224 side). Can.

Second Embodiment
Next, other embodiments will be described based on the attached drawings, but the same reference numerals are used for the same or similar members and parts as the first embodiment described above, and the descriptions thereof will be omitted. Different configurations are described.
As shown in FIGS. 10 and 11, in the top-plate lifting type fixture 1B according to the second embodiment, the upper reinforcing member 23 and the lower side of the lower structure 2 of the first embodiment shown in FIG. It does not have the reinforcing member 24 but has the lower reinforcing member 24B. As shown in FIGS. 10 and 12, in the top-lifting type fixture 1B according to the second embodiment, the upper structural body 3B connects the reinforcing members 35 connecting the lower end portions 31a of the pair of upper support leg portions 31 and 31 together. Have.

  The lower reinforcing member 24B is a rod-like member, and is disposed in a direction extending in the left-right direction. In the lower reinforcing member 24B, one end 24a in the left-right direction (longitudinal direction) is joined to one base 21A, and the other end 24b in the left-right direction is joined to the other base 21B. In the present embodiment, a metal square pipe is used for the lower reinforcing member 24B, and the lower reinforcing member 24B is welded to the pair of base portions 21. The lower reinforcing member 24B is formed to have substantially the same height as the pair of base portions 21, and the upper surface thereof is disposed substantially flush with the upper surface of each of the pair of base portions 21.

  The reinforcing member 35 is formed in a rod-like member bent in a C-shape (U-shape). As shown in FIG. 10, in the reinforcing member 35, one end 35a is joined to the second back plate 312 of one upper support leg 31A, and the other end 35b is the other upper support leg 31B. It is joined to the second back plate portion 312. The reinforcing member 35 includes a pair of first rod-shaped portions 351 351 extending rearward from the second rear plate portion 312 of the pair of upper support leg portions 31 31 and a rear side of the pair of first rod-shaped portions 351 351. And a second rod-like portion 352 connecting the end portions.

In the present embodiment, the reinforcing member 35 is a metal round pipe, and the pair of first rod-shaped portions 351, 351 and the second rod-shaped portion 352 are integrally formed. Both ends 35 a and 35 b of the reinforcing member 35 are welded to the upper support leg 31. The reinforcing member 35 is joined slightly above the lower end portion 31 a of the upper support leg portion 31.
The pair of first rod-shaped portions 351, 351 is disposed above the pair of base portions 21, 21. The second rod-like portion 352 is disposed in front of the rear end portions of the pair of base portions 21, 21.

The lower structural body 2B and the upper structural body 3B as described above are connected by the connecting pin 4 as in the first embodiment.
In the case of increasing the height of the top plate main body 321, as shown in FIG. 13, the upper structure 3B is connected to the lower structure 2B at a high position. In this case, the connecting pin 4 connects the lower support leg 22 and the upper support leg 31 in the vicinity of the reinforcing member 35.
In the present embodiment, when the upper structural body 3B is connected to the lower structural body 2B at the uppermost position, as shown in FIG. 13, the connecting pin 4 has the same height as the reinforcing member 35. The lower support leg 22 and the upper support leg 31 are connected.

In the case of reducing the height of the top plate main body 321, as shown in FIG. 14, the upper structure 3B is connected to the lower structure 2B at a low position.
Also in the second embodiment, the height of the top plate main body 321 (the top plate portion 32) can be changed in accordance with the physique and use of the user.

In the top-plate lifting type fixture 1B according to the second embodiment, since the pair of upper support legs 31 and 31 of the upper structural body 3B are connected by the reinforcing member 35, the relative displacement of the pair of upper support legs 31 and 31 Is suppressed, and the upper structure 3B can be made into a strong structure. In particular, the vicinity of the reinforcing members 35 of the pair of upper support leg portions 31 and 31 in the upper structural body 3B has a strong structure.
When the upper structural body 3B is connected to the lower structural body 2B at the uppermost position, the connection pin 4 connects the lower support leg portion 22 and the upper support leg portion 31 in the vicinity of the reinforcing member 35. As a result, the upper structure 3B is supported by the lower structure 2B in a stable state. Thereby, even if the connecting pin 4 connects the lower support leg 22 and the upper support leg 31 in a state where the upper structural body 3B is disposed at a high position so that the height of the top plate 32 is increased, the upper portion The structure 3B is stably supported by the lower structure 2B. Therefore, in the top-plate lifting type fixture 1B according to the second embodiment, even when the height of the top plate portion 32 is increased, the top plate portion 32 can be supported in a stable state, and the stability of the top plate portion 32 Can be improved.

As mentioned above, although embodiment of the top-plate raising / lowering type fixture by this invention was described, this invention is not limited to said embodiment, It can change suitably in the range which does not deviate from the meaning.
For example, in the above embodiment, the table-lifting type fixtures 1A and 1B are desks, but may be fixtures other than desks such as a table on which an article is placed, for example, a pair of lower support legs 22 The direction in which 22 separates may be set appropriately, such as the front-rear direction.
In the first embodiment described above, the upper reinforcing member 23 is formed in a rod-like shape extending in the left-right direction, but other members may be used as long as they connect the pair of lower support legs 22 and 22. It is also good. For example, it may be formed in a rod shape bent in a C-shape (U-shape) as in the upper reinforcing member 23C of the top-plate lifting-type fixture 1C shown in FIG. Further, instead of the bar-like upper reinforcing member 23, a plate-like reinforcing member may be provided to connect the pair of lower support legs 22, 22.

Moreover, in top-plate raising / lowering type furniture 1A, 1B by said embodiment, it is comprised so that the lower support leg part 22 may be penetrated by the groove part 314 formed in the upper support leg part 31. As shown in FIG. On the other hand, a groove 314 extending in the vertical direction may be formed in the lower support leg 22, and the upper support leg 31 may be inserted into the groove 314.
Further, the lower support leg 22 is formed in a cylindrical shape as in the above embodiment, and is connected to the upper support leg 31 in a state where the upper support leg 31 is inserted from the upper side to the inside. It may be configured.

  Further, the direction in which the groove portion 314 of the upper support leg portion 31 opens may be the outside, the front side, or the rear side in the left-right direction other than the inside in the left-right direction. When the upper reinforcement member 23 as in the first embodiment is disposed at the opening of the groove 314 in the upper support leg 31, the upper reinforcement member 23 is attached to the lower support leg 22 at the attachment position. At the same time, the direction in which the groove 314 of the upper support leg 31 opens may be set. For example, when the upper reinforcing member 23 is attached to the first rear plate portion 222 of the lower support leg portion 22, the groove portion of the upper support leg portion 31 may be opened to the rear side.

  In the second embodiment described above, the reinforcing member 35 is formed in a rod shape bent in a C shape (U shape), but may be formed in a rod shape or a plate shape extending linearly in the left-right direction. Good. Further, the position where the reinforcing member 35 is connected to the pair of upper support leg portions 31 and 31 may be other than the second rear plate portion 312. When the pair of upper support leg portions 31 and 31 are formed in a tubular shape, a reinforcing member may be connected to a portion where the pair of upper support leg portions 31 and 31 oppose each other.

In the second embodiment described above, in the case where the upper structural body 3B is connected to the lower structural body 2B at the uppermost position, the connection pin 4 has the same height as the lower support leg portion at the same height as the reinforcing member 35. 22 and the upper support leg 31 are connected, but the connection pin 4 may connect the lower support leg 22 and the upper support leg 31 in the vicinity of the reinforcing member 35.
For example, in the case where the upper structural body 3B is connected to the lower structural body 2B at the uppermost position, the reinforcing member 35 is closer to the connecting pin 4 in the vertical direction than the upper end 4a of the connecting pin 4 shown in FIG. The lower support leg 22 and the upper support leg in a height range h at a position lower by a length dimension l of the connecting pin 4 in the vertical direction than the lower end 4 b of the connecting pin 4 from a position higher by a length dimension l It is preferable that the part 31 be connected. When the upper structural body 3B is connected to the lower structural body 2B on the upper side, the connection pin 4 connects the lower support leg portion 22 and the upper support leg portion 31 in the height range h described above. Is preferred. The dimension between the two insertion portions 412 and 412 of the connection pin 4 may be used as a reference instead of the length dimension 1 of the connection pin 4 in the vertical direction.

  In the above embodiment, the connecting pin 4 connects the lower support leg 22 and the upper support leg 31 on both the upper and lower sides of the upper reinforcing member 23 in the lower support leg 22. On the other hand, the connecting portion connecting the lower support leg 22 and the upper support leg 31 is one of the upper and lower sides of the upper reinforcing member 23 in the lower supporting leg 22 and the height of the upper reinforcing member 23. The lower support leg 22 and the upper support leg 31 may be connected.

Moreover, in the top-plate lifting-type fixture 1 according to the above-described embodiment, the lower support leg 22 and the upper support leg 31 are connected by the connection pin 4 inserted in the hole formed in each of them. The structure in which the lower support leg 22 and the upper support leg 31 are connected may be other than the structure using the connection pin 4 described above. For example, the lower support leg portion 22 and the upper support leg portion 31 may be connected by being fitted to each other.
Further, in the connection pin 4 according to the above embodiment, the two insertion portions 412 are attached to the first contact portion 411 of the first connection member 41, and the screw portion of the second connection member 42 is attached to each insertion portion 412. Although 421 is configured to be screwed, one or three or more insertion portions 412 may be attached to the first contact portion 411 of the first connection member 41.

For example, in the connection pin 4C as shown in FIG. 16, in the first connection member 41C, one insertion portion 412C is attached to the first contact portion 411. In this case, only one first hole for connection with the upper support leg 31 is formed in the lower support leg 22, and this first hole and the second outer plate of the upper support leg 31 are formed. The insertion portion 412C is inserted into the hole portion 313a, and the screw portion 421C of the second connection member 42C is screwed into the insertion portion 412C.
Further, in the first connecting member 41C, positioning convex portions 43C are formed on the upper and lower sides of the insertion portion 412C. The lower support leg portion 22 is provided with positioning holes into which the positioning projections 43 can be inserted at the upper and lower sides of the first hole, respectively. When the first hole of the lower support leg 22 and the second outer plate hole 313a of the upper support leg 31 overlap with each other, the two positioning holes are located above the second outer plate hole 313a. It is set so as to overlap the second outer plate portion hole portion 313a and the lower second outer plate portion hole portion 313a. The insertion portion is inserted into the first hole portion of the lower support leg portion 22 and the second outer plate portion hole portion 313a of the upper support leg portion 31 which are overlapped, and the second outer plate of the positioning hole portion and the upper support leg portion 31 By inserting the positioning projections 43C and 43C into the partial hole 313a, the lower support leg 22, the upper support leg 31, and the connecting pin 4C can be easily positioned.

  Further, in the top-plate lifting type fixtures 1A and 1B according to the above-described embodiment, in the insertion portion 412, the tip end portion 412a abuts the first inner plate portion 223 of the lower support leg portion 22 from the first outer plate portion 224 side. Thus, the configuration has the function of the spacing holding portion that holds the spacing between the first inner plate portion 223 and the first outer plate portion 224. However, the configuration may not be such.

1A, 1B Top-plate lifting fixture 2, 2B Lower structure 3, 3B Upper structure 4, 4C Connection pin (connection part)
11 floor surface 22 lower support leg 23, 23C upper reinforcement member (reinforcement member)
31 upper support leg 32 top plate 35 reinforcing member 41 first connecting member 42 second connecting member 224 a first outer plate upper side hole (first hole, upper first hole)
224b First outer plate lower hole (first hole, lower first hole)
313a Second skin part hole (second hole)
314 Groove (empty)
411 first contact portion 412 insertion portion (space holding portion)
421 screw portion 422 second contact portion

Claims (8)

A lower structure placed on the floor,
An upper structure provided with a top plate,
And a connecting portion for detachably connecting the upper structure to the lower structure.
In the table-lifting type fixture capable of changing the connection height of the upper structure to the lower structure,
The lower structures each have a pair of lower support legs that extend vertically and are spaced horizontally.
And a reinforcing member connecting the pair of lower support legs to each other,
The upper structure has a pair of upper support legs extending in the vertical direction and spaced apart in the horizontal direction to support the top plate,
A top-plate-raising-type fixture, wherein the connecting portion connects the lower support leg and the upper support leg in the vicinity of the reinforcing member in the lower support leg. A lower structure placed on the floor,
An upper structure provided with a top plate,
And a connecting portion for detachably connecting the upper structure to the lower structure.
In the table-lifting type fixture capable of changing the connection height of the upper structure to the lower structure,
The lower structure has a pair of lower support legs extending vertically and spaced horizontally.
The upper structures each extend in the vertical direction and are spaced apart in the horizontal direction, and a pair of upper support legs supporting the top plate;
And a reinforcing member connecting the pair of upper support legs to each other,
The connecting portion connects the lower support leg and the upper support leg in the vicinity of the reinforcing member in the upper support leg when connecting the upper structure to the lower structure at the uppermost position. Top-plate lifting-type fixtures characterized in that they are connected to parts.   The top plate lifting type according to claim 1 or 2, wherein the connecting portion connects the lower support leg portion and the upper support leg portion on both the upper side and the lower side of the reinforcing member. Furniture. One of the lower support leg and the upper support leg extends in the vertical direction to the inside, and has a hollow portion into which the other of the lower support leg and the upper support leg can be inserted.
The connecting portion connects the upper support leg portion and the lower support leg portion in a state where the other of the lower support leg portion and the upper support leg portion is inserted into the empty portion. The top-plate raising and lowering type fixture according to any one of claims 1 to 3. The lower support leg has a first hole,
The upper support leg has a plurality of second holes formed at intervals in the vertical direction,
The connection portion has a connection pin which is inserted into the first hole portion and the second hole portion overlapping each other and can connect the lower support leg portion and the upper support leg portion. The top-plate lifting-type fixture according to any one of 1 to 4. The connection pin includes a first connection member and a second connection member,
The first connection member is capable of inserting the first hole portion and the second hole portion, and an insertion portion formed with a female screw or an external screw, and the lower structure and the upper portion are joined with the insertion portion. And a first abutment portion that abuts on one side of the structure;
The second connection member has a screw portion that can be screwed into the insertion portion, and a second contact portion that is joined to the screw portion and that is in contact with the other of the lower structure and the upper structure. And
A screw portion is screwed into the insertion portion inserted into the first hole portion and the second hole portion, and the first contact portion and the second contact portion are the lower support leg portion and the upper support. The top-plate lifting-type fixture according to claim 5, characterized in that the legs are held. It has an upper first hole provided on the upper side as the first hole and a lower first hole provided on the lower side,
The second hole is provided three or more so as to be able to communicate with the upper first hole and the lower first hole, respectively.
The first connection member is inserted into the upper insertion portion inserted into the upper first hole portion and the second hole portion, and inserted into the lower first hole portion and the second hole portion as the insertion portion. The top-plate-lifting case according to claim 6, further comprising a lower insertion portion, wherein the first contact portion connects the upper insertion portion and the lower insertion portion.   8. The apparatus according to claim 6, further comprising: a gap holding portion configured to hold a gap between the first contact portion and the second contact portion at a predetermined distance when the screw portion is screwed into the insertion portion. Top plate lifting type furniture as described in.

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