JPH11332677A - Mechanism for adjusting height of furniture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a furniture height adjusting mechanism by which the part of an adjuster protruding from a cabinet main body at the time of shipment is reduced, packing materials and transportation expenditure are reduced so as to attain cost reduction and also the adjuster is prevented from being damaged at the time of transportation. SOLUTION: The adjuster to be screwed onto a screw hole part 29 arranged at the bottom part side of furniture is mounted and the height of a leg part is adjusted by the screwing amount of the adjuster in the height adjusting mechanism. The adjuster is constituted of an adjustment screw part 14 at the one end side of which a screw shaft 17 is formed, engaging with the screw hole part 29 and an attachable/detachable leg part 15 connected to a head part side 20 so as to be freely attachable/detachable, which head is formed at the other end side of the adjustment screw part 14 and also leg holding parts 30 for temporarily holding the attachable/detachable leg part 15 are provided at the bottom part side of furniture.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a height adjusting mechanism in which an adjuster for adjusting the height of a leg is mounted on the bottom side of furniture, for example, a desk with sleeves, a side desk, a cabinet,
Applies to other similar furniture.

[0002]

2. Description of the Related Art As a height adjusting mechanism of this type, for example, as shown in FIG. 1, a mounting bracket 4 is mounted on a bottom plate 3 of a cabinet body 2 on which a drawer 1 is mounted, and the mounting bracket 4 is drilled. It is a general structure that an adjusting screw 7 integral with a leg 6 as an adjuster is screwed into the screw hole 5 and the height of the cabinet body 2 is adjusted by the screwing amount of the adjusting screw 7. The screws 7 are insert-molded integrally with the legs 6 formed of a hard synthetic resin material in such a manner that the head side is buried, and four height adjusting mechanisms are provided at four corners of the bottom plate 3 so that the cabinet body 2 is provided. In a stable state.

[0003]

In the furniture to which the above-mentioned height adjusting mechanism is applied, if the legs 6 are attached in advance at the time of shipment from the manufacturer, the legs 6 are attached to the side plate 7 of the cabinet body 2.
Is locally protruded, it is necessary to enlarge the entire cardboard box to be packed by the protruding height, and the protruding legs 6 receive an eccentric load and the eccentricity of the adjusting screw 7 or the screw hole 5 For example, there is a possibility that the height cannot be adjusted due to the deformation of the elastic member.
It is necessary to take preventive measures such as mounting, which not only increases packaging and transportation costs, but also requires disposal when incinerating or discarding these packaging materials.

[0004] There is also a mode in which the foot 6 is detached and shipped and attached at the time of installation, but in this case, it is necessary to put the foot 6 in a small bag or the like and pack it separately, which makes the packing and unpacking troublesome. In addition to the fact that the mounting work of the leg 6 is burdened on a user or the like, the state of screwing of the adjusting screw 7 into the screw hole 5 is checked beforehand by the manufacturer side, and the product must be temporarily mounted. After that, it is troublesome to remove and pack it separately.

Accordingly, the present invention provides a furniture height adjusting mechanism which solves the above-mentioned problems of the prior art, and its main purpose is to protrude from a cabinet body when shipped from a manufacturer. The purpose of this is to reduce the amount of adjusters, reduce packaging materials and transportation costs, reduce costs, and prevent damage to the adjusters during transportation.The other purpose is when users install furniture. The aim is to reduce the effort involved in disposing of the packaging material at all, and at the same time to save resources and to help the pollution of the environment with waste.

[0006]

In the furniture height adjusting mechanism according to the present invention, an adjuster screwed into a screw hole provided on the bottom side of the furniture is mounted, and the height of the leg is adjusted by the screwing amount of the adjuster. A height adjustment mechanism for adjusting the height,
An adjusting screw portion to which a screw shaft formed on one end side is screwed with the screw hole portion; and a detachable leg portion detachably connected to a head side formed on the other end side of the adjusting screw portion. And the adjuster is provided, and a leg storage portion for temporarily storing the detachable leg portion is provided on the bottom side of the furniture near the adjuster.

[0007] According to the height adjusting mechanism, since it is possible to ship the product with the detachable legs removed from the adjusting screw, the surface of the head of the adjusting screw projects slightly from the bottom of the furniture. It is not necessary to enlarge the entire cardboard box to be packed like the conventional structure, and there is a risk that the height adjustment cannot be performed due to the eccentricity or deformation of the adjustment screw part due to the uneven load during transportation etc. In addition to this, preventive measures such as mounting a concave cushioning material to accommodate the adjusting screw part are not required, reducing packaging and transportation costs and reducing the labor required to incinerate and dispose of these packaging materials. Can be planned.

In addition, the detachable detachable legs are attached to the leg storage unit and transported safely, and the detachable legs are easily connected to the user or the like when detached from the leg storage unit when installing furniture. The height can be adjusted as desired as in the case of the integrated adjuster, and the packing is easier than in the case where the conventional adjuster is detached and packed separately, and the screw hole of the adjusting screw is provided. It is good because the threaded state with respect to is maintained on the manufacturer side.

The adjusting screw part in the height adjusting mechanism is
There is a mode in which an adjusting screw formed by a hexagonal bolt and a cap fixed to the head of the hexagonal bolt are used, and the detachable legs are detachably connected to the cap. By using bolts
It is inexpensive and has the advantage that the outer periphery of the head is suitable as an engagement surface for rotating in conjunction with the detachable leg, and the cap can be joined to the detachable leg over a wide area and supported in a stable state. At the same time, advantages such as easy formation of a locking portion for the retaining means of the detachable leg can be obtained.

There is a mode in which the leg storage section in the height adjusting mechanism is a locking holding hole which is formed in a bottom plate of furniture to lock and hold the detachable leg section in a detachable manner. Since the structure is simple, advantages such as easy processing, low cost, and easy processing, and easy operation of attaching and detaching the detachable legs are obtained.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A furniture height adjusting mechanism according to the present invention will be described below in detail with reference to the attached drawings of FIGS. FIG. 2 is a plan view before the final assembly of the height adjustment mechanism mounted on the bottom side of the sleeve desk 10 (at the time of shipment), and FIG.
4 is a front view (a) and a vertical cross-sectional view (b) of the detachable leg portion cut in half, and FIG. 5 is a vertical cross-sectional view of the height adjusting mechanism in a final assembled state. The plan views are respectively shown.

As shown in FIGS. 2 and 3, the height adjusting mechanism is mounted at four corners of the bottom plate 13 including the position surrounded by the side plate 11 and the back plate 12 of the sleeve desk 10. Yes,
The adjuster includes an adjusting screw portion 14 and a detachable leg portion 15. In the illustrated embodiment, the adjusting screw portion 14 includes an adjusting screw 18 in which a screw shaft 17 is screwed to a mounting bracket 16 mounted on the bottom plate 13, and an adjusting screw. A cap 20 is integrally attached to the head 19 of the 18 by welding or other fixing means.

The mounting bracket 16 includes a side plate 11 and a back plate 12.
Outer standing pieces 21, 22 along the bent portion of the bottom plate 13, which overlaps with the outer peripheral plate, and outer standing pieces 21, 22.
Upright pieces 23 located inside of
Mounting plate 2 having a substantially triangular shape and a depressed center, surrounded by 2, 23
4 and an insertion piece 25 bent at the tip of the inner standing piece 23.

The mounting bracket 16 is slid on the bottom plate 13 with a locking plate 27 formed by cutting and raising the bottom plate 13 inserted into a through hole 26 formed in the inner standing piece 23. , The insertion piece 25 is the bottom plate 13 and the locking plate 27
Therefore, the portion between the insertion piece 25 and the locking plate 27 that have been superimposed is fixed with a set screw 28 and attached to the bottom plate 13.

The adjusting screw portion 14 is screwed to the mounting bracket 16 through a screw hole 29 formed in the mounting plate 24 so as to be adjustable in height.
The detachable leg portion 15 is press-fitted into a protruding locking holding hole 30 provided as a leg storage portion on the bottom plate 13 near the mounting bracket 16 and is mounted as shown by a solid line. The detachable leg 15 removed from the holding hole 30 is connected to the adjusting screw 14 as shown by a virtual line.

The detachable leg 15 is integrally formed of a synthetic resin material having heat resistance, rigidity and excellent moldability, for example, polypropylene (PP) as shown in FIG.
A fitting cylindrical portion 32 having a fitting hole 31 for receiving the cap 20 therein having an outer diameter capable of being press-fitted into the locking holding hole 30 on one end side.
Is formed, and a footrest 34 for mounting the sleeve desk 10 on the installation surface is formed on the other end side.

It is desirable that the outer peripheral surface of the fitting cylindrical portion 32 be tapered in order to facilitate press-fitting into the locking holding hole 30, and a cap 20 housed at the front end of the inner peripheral surface. As means for preventing the cap from coming off, hook-shaped engaging pieces 35 are provided at a plurality of places (three places at intervals of 120 degrees in the figure), and through the insertion holes 36 formed in the cap 20 at the inner bottom of the fitting holes 31. As a means for projecting to a position where it can be engaged with the adjusting screw 18 and for rotating the adjusting screw 18 in conjunction therewith, locking projections 37 are provided at a plurality of positions (three positions at 120-degree intervals in the drawing). When a hexagonal bolt is used as the adjustment screw 18 as described above, it is preferable to form a notch-shaped locking surface 38 for locking and holding the head 19 in the locking projection 37.

The footrest 34 is easy to pinch, and the locking holding hole 3 is formed.
A step 39 is provided between the fitting cylinder 32 and the fitting cylinder 32 to facilitate attachment and detachment to and from the fitting cylinder 32. The step 39 is formed larger than the fitting cylinder 32 so as to be stably supported on the installation surface. The structure is such that a ring-shaped reinforcing rib 33 is provided for preventing and reinforcing sink marks during molding.

The height adjusting mechanism before the attachment / detachment leg 15 is mounted includes a head 19 and a cap 20 of an adjusting screw 18 constituting the adjusting screw portion 14 on the recessed mounting plate 24 of the mounting bracket 16.
Is buried and mounted, so that the side plate 11 and the back plate 1
In this state, the surface of the cap 20 slightly protrudes from the bottom surface of the sleeve desk 10 formed by bending the outer peripheral plate such as 2.

Therefore, it is not necessary to increase the size of the cardboard box to be packed as in the conventional structure, and the eccentricity or deformation of the adjusting screw portion 14 occurs due to an eccentric load during transportation and the height cannot be adjusted. In addition to eliminating the fear, it also eliminates the need for preventive measures such as mounting a concave cushioning material for accommodating the adjusting screw portion 14, thereby reducing packaging and transportation costs and labor for incinerating and discarding these packaging materials. Can be reduced.

When the detachable leg 15 is attached to the adjusting screw portion 14, the locking projection 37 of the detachable leg 15 removed from the retaining hole 30 is aligned with the insertion hole 36 of the cap 20 and pushed in. The cap 20 is inserted into the fitting hole 31 of the fitting cylindrical portion 32.
Is attached and is stopped by engagement of the opening side edge and the locking piece 35, and is mounted in such a manner that the locking surface 38 of the locking projection 37 is disposed close to the head 19 of the adjusting screw 18. Then, it becomes an adjuster connected together.

Therefore, when the detachable leg 15 is pinched and rotated, the adjusting screw 18 and the adjusting screw 14 formed by the cap 20 integrated with the adjusting screw 18 are interlocked with the head 19 engaged with the locking surface 38. The screw hole 2 which is rotated and drilled in the mounting plate 24
The height of the attachment / detachment leg 15 can be adjusted by adjusting the screwing amount of the screw shaft 17 to the screw 9 as desired.

The above embodiment is merely an example. For example, the adjusting screw portion 14 is constituted by the adjusting screw 18 and the cap 20 so that an existing hexagon bolt or the like can be used as the adjusting screw 18 as it is. And an adjusting screw part using a special screw having a screw head screwed into a screw hole 29 of the mounting bracket 16 and a head for detachably receiving the mounting body, a cabinet body without using a separate mounting bracket 16 A variety of deformations can be adopted within the scope of the gist, such as a mode in which a screw hole is directly provided in the bottom of the screw hole and the screw shaft of the adjusting screw portion is screwed into the screw hole.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a conventional furniture height adjusting mechanism.

FIG. 2 is a plan view before the final assembly of the furniture height adjustment mechanism according to the embodiment of the present invention (at the time of shipment).

FIG. 3 is a longitudinal sectional view taken along the line XY of FIG. 2;

FIG. 4 is a front view of the height adjusting mechanism according to the embodiment of the present invention, in which a detachable leg is half cut.

FIG. 5 is a vertical sectional view of the height adjusting mechanism according to the embodiment of the present invention in a final assembled state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Sleeve desk 11 Side plate 12 Back plate 13 Bottom plate 14 Adjustment screw part 15 Detachable leg part 16 Mounting bracket 17 Screw shaft 18 Adjustment screw 19 Head 20 Cap 21, 22 Outer upright piece 23 Inner upright piece 24 Mounting plate 25 Insertion piece Reference Signs List 26 through-hole 27 locking plate 28 set screw 29 screw hole 30 locking holding hole 31 fitting hole 32 fitting cylinder 33 reinforcing rib 34 footrest 35 locking piece 36 insertion hole 37 locking projection 38 locking surface 39 Step

Claims (3)

[Claims] 1. A height adjusting mechanism for mounting an adjuster which is screwed into a screw hole provided on a bottom side of furniture and adjusting the height of a leg according to a screwing amount of the adjuster.
An adjusting screw portion to which a screw shaft formed on one end side is screwed with the screw hole portion; and a detachable leg portion detachably connected to a head side formed on the other end side of the adjusting screw portion. The height adjuster for furniture, characterized in that the adjuster is configured with a leg storage portion for temporarily storing the detachable leg portion on the bottom side of the furniture near the adjuster. 2. The adjusting screw portion includes an adjusting screw formed by a hexagonal bolt and a cap fixed to a head of the hexagonal bolt, and the detachable leg is detachably connected to the cap. The furniture height adjusting mechanism according to claim 1. 3. The furniture according to claim 1, wherein the leg storage portion is a retaining hole which is formed in a bottom plate of the furniture to retain and detachably retain the detachable leg portion. Height adjustment mechanism.