JPH0555925U - Telescopic legs of the table - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a telescopic leg of a table, which can adjust the height of the leg by combining the legs attached to the table and the columns. [Structure] A vertically movable pillar 5 is provided on a hollow leg 1, and a groove 6 having a V-shaped cross section is formed in the longitudinal direction of the pillar 5.
A reinforcing plate 9 is attached to the inclined surface 8 of the groove 6, and a through hole 3 that is in contact with the groove 6 is formed below the leg 1 to form a screw hole 1 having the same diameter as the hole 3.
1 has a slanted seat surface 12 formed on the nut 10, and the slanted seat surface 12 is attached to the leg body 1. The threaded portion 14 of the bolt 13 is screwed into the screw hole 11, and the tip 15 of the threaded portion 14 is a groove groove. By joining the reinforcing plate 9 of 6 at a right angle, the leg 1 and the support 5
Are connected to each other via the screw portions 14, so that the column 5 supports the leg 1 and stands upright.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 This invention relates to a telescopic leg of a table, which allows the legs of the table to be adjusted in height.

[0002]

[Prior Art]

 Conventionally, as means for adjusting the height of a leg of a table or a workbench, as shown in FIGS. 9 and 10, generally, a leg or a pillar is provided with a screwing structure, or a small hole of the pillar is provided with a screw rod or a bolt. A coupling structure that locks the screw portion in the horizontal direction has been used. In order to adjust the height of the legs with this combined structure, the following was done. The stanchions were moved up and down in the hollow part of the legs to determine the height position by visual inspection, and the screw rods were locked in the small holes of the stanchions. Therefore, in order to lock the screw rod in the small hole hidden in the leg, the small hole is fitted with the tip of the screw rod, so it is not quick enough and it is irritating. It was troublesome to change the position of and repeat the adjustment again.

[0003]

[Problems to be solved by the device]

 An object of the present invention is to solve such a conventional technical drawback, and to provide a telescopic leg for a table in which the leg and the support can be quickly connected to each other and the height can be easily adjusted. ..

[0004]

[Means for Solving the Problems]

 In order to achieve the object of this invention, the invention forms a hollow leg that is fixed to the leg of a conventional table, installs a mounting bracket at one end of this leg, and places it above the hollow part of the leg from the other end. The lower end of the column is provided by providing a movable column below and forming an elongated groove with a V-shaped cross section in the longitudinal direction of the column, and mounting a metal reinforcing plate on the inclined surface of this groove. Secure the seat to the bottom of the leg, make a through hole in contact with the groove below the leg, and form an inclined seat surface on the back side of the nut that has a screw hole with the same diameter as the through hole. Align the slanted seat surface of the nut with the leg so that the threaded hole faces the slanted surface of the groove, and screw the threaded part of the bolt into the threaded hole described above. Is joined to the inclined surface of the groove or the reinforcing plate at a right angle so that the leg and the post are connected via the screw part. And it features.

[0005]

[Action]

 By fixing the mounting bracket of the hollow leg to the table and screwing the screw part of the bolt into the screw hole of the nut attached to the leg, you can extend or shorten the leg attached to the table. .. When the bolt is tightened at the desired position, the tip of the screw part is joined at a right angle to the inclined surface of the groove of the strut or the reinforcing plate, so the leg and the strut are connected via the screw part, and the strut Support and stand up.

[0006]

【Example】

 A first embodiment of the present invention will be described with reference to FIG. 1. A hollow leg body 1 is made of metal, a mounting bracket 4 is provided at one end of the leg body 1, and a hollow portion 2 of the leg body 1 is provided from the other end. A metal support column 5 that is movable up and down is provided on the. An elongated groove 6 having a V-shaped cross section is formed in the longitudinal direction at the center of one wall surface of the pillar 5. A through hole 3 that is in contact with the groove 6 is formed below the leg 1. An inclined bearing surface 12 is formed on the back side of the nut 10 having a screw hole 11 having the same diameter as the through hole 3. Then, the through hole 3 and the screw hole 11 are aligned with each other, the screw hole 11 is made to face the inclined surface 8 of the recess groove 6, and the inclined seat surface 12 of the nut 10 is attached to the leg body 1. The screw portion 14 of the bolt 13 is screwed into the hole 11. Since the screw portion 14 is inclined in the direction of the inclined surface 8 of the groove 6, the tip 15 of the screw portion 14 is joined at a right angle to the inclined surface 8 of the groove 6 to form a leg. The body 1 and the support column 5 are connected to each other via the screw portion 14.

Next, a second embodiment of the present invention will be described with reference to FIG. 2 to FIG. 8. A hollow leg body 1 made of metal is formed, and the hollow portion 2 of the leg body 1 is vertically movable. A wooden post 5 will be provided. An elongated groove 6 having a V-shaped cross section is formed in the center of one wall surface of the pillar 5, and a metal reinforcing plate 9 is mounted on the inclined surface 8 of the groove 6, and the lower end of the pillar is attached. Fix the pedestal 7 to. A through hole 3 that is in contact with the groove 6 is formed below the leg 1. An inclined bearing surface 12 is formed on the back side of the nut 10 having a screw hole 11 having the same diameter as the through hole 3. Then, the through hole 3 and the screw hole 11 are aligned with each other, the screw hole 11 faces the reinforcing plate 9 mounted in the groove 6, and the inclined seat surface 12 of the nut 10 is attached to the leg body 1. The screw portion 14 of the bolt 13 is screwed into the screw hole 11. Since the threaded portion 14 is inclined in the direction of the reinforcing plate 9 of the groove 6, the tip 15 of the threaded portion 14 is joined to the reinforcing plate 9 of the groove 6 at a right angle to form a leg body. 1 and the column 5 are brought into a coupled state via the screw portion 14.

The present invention is constructed as described above, and when the first embodiment is used, the mounting bracket 4 provided at one end of the leg 1 is fixed to the table (not shown), and then the bolt is attached. When the table 13 is loosened and the corner of the table is lifted with one hand, the leg 1 can be pulled up to a desired position as shown in FIG. When the threaded portion 14 of the bolt 13 is screwed into the threaded hole 11 of the nut 10 with the other hand, the tip 15 of the threaded portion 14 is joined at a right angle to the inclined surface 8 of the recessed groove 6, so that the threaded portion 14 is used. As a result, the leg 1 and the support column 5 are connected to each other, and the support column 5 stands up in an extended state. Therefore, the legs can be adjusted to a high position and used. When adjusting the leg to a low position, the leg 1 can be lowered to a desired position by loosening the bolt 13, so that when the bolt 13 is tightened at the desired position, the leg 1 and the column 5 are connected. Therefore, the column 5 can stand upright in a shortened state. Since the column 5 is vertically movable while being surrounded by the hollow portion 2 of the leg 1, the threaded portion 14 of the bolt 13 is always on the same line as the groove 6, so that the leg 1 and the column 5 can be easily formed. Can be combined.

Next, when using the second embodiment, after fixing the mounting bracket 4 provided at one end of the leg 1 to the table (not shown), the bolt 13 is loosened and the table 1 is moved with one hand. When the corner is lifted, the leg 1 can be pulled up to a desired position as shown in FIGS. 2 and 3. When the threaded portion 14 of the bolt 13 is screwed into the threaded hole 11 of the nut 10 with the other hand at the desired position, the tip 15 of the threaded portion 14 and the metal reinforcing plate 9 mounted in the groove 6 are inserted. Since they are joined at a right angle, the legs 1 and the stanchions 5 are brought into a coupled state via the threaded portions 14, and the stanchions 5 stand upright. Although the pillar 5 is made of wood, the metal reinforcing plate 9 is mounted on the inclined surface 8 of the groove 6, so that the tip 15 of the screw portion 14 of the bolt 13 does not damage the inclined surface 8. Absent. When adjusting the legs to a low position, the legs 1 can be lowered to a desired position by loosening the bolts 13. Therefore, as shown in FIGS. 4 and 5, when the bolts 13 are tightened at the desired positions, Since the tip 15 of the screw portion 14 of the bolt 13 is joined at a right angle to the reinforcing plate 9 mounted in the groove 6 of the strut 5, the leg 1 and the strut 5 are connected via the screw portion 14, The column 5 stands up in a shortened state. Therefore, the legs can be used in a low state. Since the pillar 5 is vertically movable while being surrounded by the hollow portion 2 of the leg 1, the threaded portion 14 of the bolt 13 is always on the same line as the groove 6, so that the leg 1 and the pillar 5 are connected to each other. It is easy to put them together.

[0010]

[Effect of the device]

 It is extremely convenient because it can be used as an elastic leg of a stable and robust table while adjusting the height of the leg with both hands.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional side view showing an extended state of a support column according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional side view showing an extended state of a support column according to a second embodiment of the present invention.

FIG. 3 is a front view showing a state in which a support column according to a second embodiment of the present invention is extended.

FIG. 4 is a vertical cross-sectional side view showing a state in which a column according to a second embodiment of the present invention is shortened.

FIG. 5 is a left side view of the second embodiment of the present invention.

6 is an enlarged cross-sectional view taken along the line AA of FIG.

FIG. 7 is an enlarged vertical sectional side view of a main part of the second embodiment of the present invention.

FIG. 8 is an enlarged vertical sectional side view of a main part of the second embodiment of the present invention.

FIG. 9 is a front view showing a conventional screwing structure.

FIG. 10 is a front view showing a coupling structure of a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hollow leg 2 Hollow part 3 Through hole 4 Mounting bracket 5 Support post 6 Groove groove 7 Receiving seat 8 Inclined surface 9 Reinforcing plate 10 Nut 11 Screw hole 12 Inclined seating surface 13 Bolt 14 Screw part 15 Tip

Claims (2)

[Scope of utility model registration request] 1. A hollow leg is provided with a vertically movable strut, an elongated groove having a V-shaped cross section is formed in the longitudinal direction of the strut, and a through hole which is in contact with the groove is formed below the leg. Form an inclined seat surface on the nut that has a screw hole with the same diameter as the through hole, align the screw hole of the through hole with the nut, and adjust the inclined seat surface of the nut so that the screw hole faces the inclined surface of the groove. Attached to the leg, screw the screw part of the bolt into the screw hole, and join the leg part and the support via the screw part by joining the tip of the screw part at a right angle to the inclined surface of the groove. Stretchable legs for the table. 2. The "claim 1" according to claim 1, wherein a metal reinforcing plate is attached to the inclined surface of the groove of the pillar made of a product, and the tip of the threaded portion of the bolt is joined to the reinforcing plate of the groove. Telescopic legs of the table.