JP2000157361A - Cover fitting structure for leg strut of furniture or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable simple post-fitting by engaging engagement claws formed on the inner surfaces of the lower parts of the right and left side plates with horizontal parts of vertical legs to be fixed in the case of installing a cover on a joining part between a base leg and a vertical leg in a leg strut of furniture or the like formed of a horizontal base leg and a cylindrical vertical leg. SOLUTION: This leg strut is formed by a base leg 2 and a vertical leg 3, a top plate is fitted to the upper end of the vertical leg 3, and a recessed part 4 is formed in the lower end of the front and rear faces of the vertical leg 3. A cover 7 installed on the joining part between the base leg 2 and the vertical leg 3 is formed substantially like a square tube elongated in the longitudinal direction, and a recessed part is formed in the lower ends of the front and the rear. In the case of installing the cover 7, the cover 7 is inserted in the vertical leg 3 from the upper end, and slid downward until the lower end recessed part of the cover 7 abuts on the upper surface of the base leg 2. Thus, the engagement claws 8a of the respective locking pieces are projected into a gap between the lower ends of both side plates 3a in the vertical leg 3 and the upper surface of the base leg 2 to be elastically joined to the horizontal parts of the lower ends of both side plates 3a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for covering a joint between a base leg and a vertical leg in a leg support for furniture or the like comprising a horizontal base leg and a cylindrical vertical leg standing upright. Related to the mounting structure.

[0002]

2. Description of the Related Art FIG. 6 shows a conventional mounting structure of a cover on a leg support, wherein a is a base leg having a horseshoe cross-section, and b is a vertical leg having a cylindrical cross-section standing upright at the center of the upper surface thereof. , C are covers attached to the joint between the base leg a and the vertical leg b.

The cover c has a cylindrical shape to which the lower end of the vertical leg b can be fitted. At the lower end, a holding piece (not shown) with which the lower end of the vertical leg b can abut is connected inward. ing.

In order to mount the cover c, with the lower end of the vertical leg b inserted into the cover c, the tip of the bolt d inserted from below the base leg a is attached to the mounting plate e in the vertical leg b.
To screw. Then, the holding piece of the cover c is strongly pressed by the base leg a and the vertical leg b, so that the vertical leg b
Together with the base leg a, and the joint between the base leg a and the vertical leg b is covered by a cover c.

[0005]

In the above-described conventional mounting structure of the cover c, the cover c is sandwiched between the base leg a and the vertical leg b, so that the cover c is formed of, for example, an aluminum alloy. It is necessary to increase the thickness of the bolt d so as to have strength enough to withstand the tightening force of the bolt d, resulting in excessive quality and increased cost.

Further, since the cover c is mounted using the bolt d, the mounting is not only troublesome and troublesome, but also
Some problems cannot be retrofitted.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. By manufacturing the cover with an inexpensive material, the cost can be reduced, the cover can be mounted extremely easily, and retrofitting is possible. It is an object of the present invention to provide a mounting structure of a cover on a leg post of furniture or the like.

[0008]

In order to achieve the above object, a cover mounting structure of a leg support for furniture or the like according to the present invention comprises a horizontal base leg and a cylindrical vertical leg standing upright. A mounting structure for attaching a cover to a joint between the base leg and the vertical leg in a leg support of furniture or the like, wherein the upper surface of the base leg has an arc-shaped cross section,
At the lower end of the vertical leg, at least a part of the lower end of the left and right side plates is formed with an upward arcuate concave portion which is aligned with the upper surface of the base leg, leaving a horizontal portion, and this concave portion is fitted to the upper surface of the base leg. At the same time, the vertical leg is joined to the upper portion of the base leg so that a gap is formed between the lower end of the horizontal portion and the upper surface of the base leg, and the vertical leg can be inserted through the joint. A cylindrical cover having an insertion hole and having an upward concave portion at the front and rear lower ends that can be fitted to the upper surface of the base leg is provided. It is characterized by being fixed by engaging with a horizontal portion. According to the present invention having the above-described configuration, after the vertical leg is joined to the base leg in advance, the cover inserted into the vertical leg can be easily attached simply by moving the cover to the joint.

In the above-mentioned cover mounting structure, it is preferable that both side plates of the cover are elastically deformable in the left-right direction, and the engaging claws formed thereon are elastically engaged with the horizontal portion. With this configuration, the joining force of the engaging claw to the horizontal portion is increased, so that the cover is prevented from easily detaching from the joining portion or rattling.

In the cover mounting structure, it is preferable that the base leg and the vertical leg are welded at respective portions of the vertical leg before and after the lower ends of both side plates. This way,
A relatively long horizontal portion is formed at the center of the lower end of each of the side plates so that the engaging claw can be engaged. Therefore, the engaging force of the cover can be increased by using a plurality of engaging claws.

In the above-mentioned cover mounting structure, it is preferable that the cover can be divided into two parts at the center in the left-right direction, and that abutting surfaces thereof are provided with locking means which removably engage with each other. In this way, the cover can be easily retrofitted even after all the furniture and the like have been assembled.

[0012]

Embodiments of the present invention will be described below with reference to the drawings.

In FIG. 1 and FIG. 2, a leg support 1 has a cylindrical base leg 2 having an approximately horseshoe-shaped cross section whose upper surface is bent in a semicircular shape, and a cylindrical base leg having an elliptical cross-section joined to the upper surface of a central portion thereof. The vertical leg 3 has a top plate (not shown) attached to the upper end of the vertical leg 3.

At the lower end of the front and rear surfaces of the vertical leg 3 (hereinafter referred to as the left side in FIG. 1), an arc-shaped upward concave portion 4 that matches the upper surface shape of the base leg 2 is formed. 4 is
As shown in FIG. 2, the base leg 2 is fitted in close contact with the upper surface of the base leg 2. At the time of this fitting, the lower edge of the left and right side plates 3a of the vertical leg 3 abuts on the bent surface of the upper surface of the base leg 2 near the lowermost end, and a slight gap is formed in the abutting portion. It has become so.

The vertical leg 3 has two side plates 3a at its lower end.
The front and rear corners, excluding the central portion, are joined by welding 6 to the upper surface of the base leg 2, and the central portion is a horizontal portion to which an engaging claw 8a of a cover 7 described later is engaged. I have.

Reference numeral 7 denotes a synthetic resin cover attached to the joint between the base leg 2 and the vertical leg 3, and has a substantially rectangular tube shape that is long in the front and rear directions as shown in FIG.

An elliptical insertion hole 7a into which the vertical leg 3 can be inserted without rattling is formed on the upper surface of the cover 7, and the front and rear lower ends can be fitted to the upper surface of the base leg 2. An arc-shaped upward concave portion 7b is formed.

The size between the opposing surfaces of the left and right side plates 7c of the cover 7 is substantially equal to the size between the outer surfaces between the both side plates 3a of the vertical leg 3, and when the cover 7 is mounted in the manner described later, The front and rear side surfaces of the leg 3 and the base leg 2 are elastically pressed against each other.

On the inner surfaces of both side plates 7c of the cover 7, a pair of front and rear locking pieces 8 each having a pair of front and rear sides, each of which has an inward engaging claw 8a at its lower end, are integrally connected. The engaging claw 8a is provided at a position where it comes into the gap between the lower end of the side plate 3a of the vertical leg 3 and the upper surface of the base leg 2 when the cover 7 contacts the upper surface of the base leg 2.

Each locking piece 8 is formed so as to be located at a horizontal portion between the welded portions 6 of the base leg 2 and the vertical leg 3. To avoid interference.

In order to attach the cover 7, the cover 7 is inserted into the vertical leg 3 from the upper end with the lower end of the vertical leg 3 previously joined to the base leg 2 by welding 6, and the lower end recess 7b is Slide down until it touches the top surface of the. Then, the engaging claw 8a of each locking piece 8 protrudes into the gap between the lower end of both side plates 3a of the vertical leg 3 and the upper surface of the base leg 2, and is elastically attached to the horizontal portion at the lower end of both side plates 3a. , The upward movement is prevented.

As a result, the joint between the base leg 2 and the vertical leg 3 is covered by the cover 7, and the appearance is improved.

As described above, the base leg 2 and the vertical leg 3 are
By pre-joining such that a gap into which the engaging claw 8a can protrude is formed at these joints, only the cover 7 can be easily attached independently later, and the cover can be attached to the base leg and the vertical leg. As before,
It is not necessary to increase the strength by changing the material of the cover 7, and the cost can be reduced.

FIG. 4 shows a modification of the cover. The cover 7 having the same shape as that described above can be divided into a right cover 9a and a left cover 9b at the center in the left-right direction.

As shown in an enlarged view in FIG. 5, a projection 10 and a concave hole 11 which are detachably fitted to each other are formed on the abutting surface of the two covers 9a and 9b.

If the cover 7 has such a two-part structure, the cover 7 can be attached to the joint between the base leg 2 and the vertical leg 3 even after all the furniture and the like have been assembled, such as by attaching a top plate or the like to the upper end of the vertical leg 3. Can be easily retrofitted, and workability is improved.

The locking means for the left and right covers 9a and 9b is omitted, instead of the projection 10 and the concave hole 11.
An engaging claw and a locking groove (or locking hole) may be used.

The present invention is not limited to the above embodiment, but can take various embodiments.

In the above embodiment, the base leg 2 and the vertical leg 3 are joined by welding 6. However, in the case of a material that cannot be welded, for example, a bolt inserted from below the base leg 2 is attached to the vertical. The base leg 2 and the vertical leg 3 may be joined by, for example, screwing into a mounting plate or the like fixed to the lower end portion in the leg 3.

The shape of the vertical leg 3 does not need to be an elliptical cross section as long as it has a horizontal portion at the lower end of both side plates 3a with which the engaging claw 8a can be engaged. It is appropriate.

Locking piece 8 and engaging claw 8 formed on cover 7
The number of “a” depends on the front and rear widths of both side plates 3 a of the vertical leg 3.
Of course, one or two or more can be used.

[0032]

According to the present invention, the following effects can be obtained.

(A) According to the first aspect of the present invention, after the vertical leg is joined to the base leg, only the cover can be easily attached later. Further, unlike the conventional case, it is not necessary to increase the strength by using an expensive material for the cover, so that the cost can be reduced.

(B) According to the second aspect of the present invention, since the engaging force of the engaging claw on the horizontal portion is increased, the mounting strength of the cover is increased, and the cover is not easily detached from the joint. .

(C) According to the third aspect of the invention, since the horizontal portion for engaging the engaging claw is formed longer at the center of the lower end of the both side plates, the cover is formed with a plurality of engaging claws. The locking force can be increased.

(D) According to the fourth aspect of the present invention, even after all the furniture and the like have been assembled, the cover can be easily attached and easily removed, so that the workability is improved.

[Brief description of the drawings]

FIG. 1 is a partially cutaway side view of a joint of a pillar to which an embodiment of the present invention is applied.

FIG. 2 is an enlarged vertical sectional front view taken along line II-II of FIG.

FIG. 3 is a perspective view of a cover used in the present invention as viewed obliquely from below.

FIG. 4 is an enlarged plan view showing a modification of the cover having the two-part structure.

FIG. 5 is an enlarged vertical sectional view taken along line VV in FIG.

FIG. 6 is an exploded side view showing a mounting example of a conventional cover.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 pillar 2 base leg 3 vertical leg 3a side plate 4 concave portion 6 welding 7 cover 7a insertion hole 7b concave portion 7c side plate 8 locking piece 8a engaging claw 9a right cover 9b left cover 10 protrusion 11 concave hole

Claims (4)

[Claims] An attachment structure for attaching a cover to a joint between the base leg and the vertical leg of a leg support for furniture or the like comprising a horizontal base leg and a cylindrical vertical leg standing upright. The upper surface of the base leg has an arc-shaped cross-section, and the lower end of the vertical leg has an upwardly arcuate shape that is aligned with the upper surface of the base leg, leaving a horizontal portion at least at a part of the lower ends of the left and right side plates. The recess is fitted to the upper surface of the base leg, and the vertical leg is attached to the upper portion of the base leg so that a gap is formed between the lower end of the horizontal portion and the upper surface of the base leg. A cylindrical cover having an insertion hole through which a vertical leg can be inserted at the joint thereof and having an upward concave portion that can be fitted to the upper surface of the base leg at the front and rear lower ends, and a left and right side plate. The engaging claw formed on the lower inner surface of Mounting structure of the cover in the leg support post of furniture, characterized in that it has secured by engaging the horizontal portion of the vertical leg than serial gap. 2. The furniture or the like according to claim 1, wherein both side plates of the cover are elastically deformable in the left-right direction, and engagement claws formed on the both sides are elastically engaged with the horizontal portion. Mounting structure of the cover on the leg support. 3. A cover for a leg post of furniture or the like according to claim 1, wherein the base leg and the vertical leg are welded at corners before and after lower ends of both side plates of the vertical leg. Mounting structure. 4. A cover is provided at a central portion in the left-right direction.
4. A cover for a leg support of furniture or the like according to any one of claims 1 to 3, wherein a locking means is provided which is separable and engages with each other in a detachable manner on their abutting surfaces. Mounting structure.