JPH10234478A - Table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent backlash of a table caused by the deformation of studs by bringing the outside face of the upper side portion of each stud into contact with the inside face of each bracket fixed to the lower face of a top plate, bringing the inside face of the upper section of the stud into contact with the right or left end face of a connecting rod, and fastening the connecting rod from the outside of the bracket. SOLUTION: Brackets 8 extended in the longitudinal direction are fitted to the lower faces at both the right and left ends of a top plate 5, each bracket 8 is formed with a side piece 8a lowered vertically and a horizontal piece 8b extended horizontally from the upper end of the side piece 8a into an L-shape, and it is fixed to the top plate 5 with multiple bolts 12. The outside face of the upper section of an erected angular tube-like stud 1 is brought into contact with the inside face of the side piece 8a of the bracket 8. The inside face of the upper section of the stud 1 is brought into contact with the right or left end face of a connecting rod 9 arranged in the lateral direction, and the connecting rod 9 is fastened with a bolt from the outside of the bracket 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a table provided with legs on the left and right ends of a top plate, and more particularly, to a front-rearward bracket fixed to the lower surface of the left and right ends of the top plate, and an upright rectangular tube attached to the bracket The present invention relates to a table provided with a pedestal and a connecting rod pointing in the left-right direction for connecting the left and right pedestals.

[0002]

2. Description of the Related Art Conventionally, in a table of this type, as shown in FIG. 6, an upright rectangular tubular pillar (1) and a connecting rod (2) facing left and right are formed inside the connecting rod (2). Screw seat fixed to (3)
Bolt (4) from the outside of the pillar (1)
The connection between the two was made by screwing in the male threaded part.

[0003]

At this time, when the male screw portion of the head of the bolt (4) is brought into contact with the outer surface of the pillar (1), the two are connected. Cylindrical pillar (1)
Is mounted between the end surface of the connecting rod (2) and the male screw side surface of the head of the bolt (4), so that the bolt (4) is tightened or the side load during use of the table causes There has been a problem that the rectangular column (1) is liable to be crushed and deformed, and the bolt (4) is loosened during use of the table, so that the table is likely to rattle.

[0004] Also, unlike the case of FIG.
The hole diameter of the outer surface of the bolt (4) is made larger than the hole diameter of the inner surface, and the inner surface of the inner surface is brought into contact with the surface of the head of the bolt (4) on the side of the male thread, so that the two are connected. , Pillar (1)
Only the inner surface of the bolt (4) is attached between the end face of the connecting pipe (2) and the face of the head of the bolt (4) on the side of the male thread, so that when the bolt (4) is tightened, the pillar (1) Is not deformed, but the stress due to the side load while the table is in use
There is a problem that the inner surface of (1) concentrates on the contact portion with the end surface of the connecting rod (2), which causes deformation of the pillar (1).

Further, in any of the mounting methods, it is necessary to increase the thickness of the pillar (1) in order to prevent deformation of the pillar (1) and loosening of the bolt (4). However, this causes a new problem that the total weight of the table increases and the table becomes expensive.

Further, in any of the mounting methods, the head of the bolt (4) and the hole on the outer surface of the pillar (1) can be seen from the front, so that the appearance is poor.

The present invention has been made in order to solve such a problem. Even in a table in which a pedestal and a connecting rod are connected by bolts, the leg may be tightened by bolts or by a lateral load during use of the table. It has enough strength to prevent the table from rattling due to column deformation and bolt loosening,
Another object of the present invention is to provide an inexpensive and attractive table.

[0008]

According to the present invention, the above-mentioned problem is solved as follows. (1) The outer surface of the upper part of the upright tubular pillar is brought into contact with the inner surface of the bracket facing the front and rear direction fixed to the lower surface of the top plate, and the left and right end surfaces of the connecting rod facing the left and right directions. The inner surface of the upper part of the pillar is abutted, and the connecting rod is fastened with a bolt from the outside of the bracket.

(2) In the above item (1), a reinforcing member is provided inside the upper portion of the pillar to be bolted.

(3) In the above item (1) or (2), a cover member is attached to the outer surface of the bracket to cover and cover the vicinity of the bolt to which the pillar is fastened.

(4) In the above item (3), an engaging hole is formed in the side piece of the bracket, and a mounting engaging claw is provided on the cover member for engaging with the engaging hole.

(5) In the above item (4), a positioning hole is formed in the side piece of the bracket, and a positioning shaft for engaging with the positioning hole is provided in the cover member.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A table (A) of the present invention shown in FIGS. 1 and 2 supports both ends of a top plate (5) in the left-right direction (left-right direction in FIG. 2) by pillars (1). , And the lower end of the pillar (1) in the front-rear direction with casters (6) (left-right direction in FIG. 1)
And is connected to a pedestal (7) extending horizontally.

A bracket (8) (FIG. 1) extending in the front-rear direction is attached to the lower surface at both left and right ends of the top plate (5), and a square tubular connecting rod (9) is provided in the left-right direction. Pillar
(1) It extends between. The pillar (1) is connected to a connecting rod (9) to a bolt (10) (FIG. 2) via a bracket (8).
Reference numeral (11) indicates a cover member.

As can be seen from FIG. 3 and FIG. 5 which shows a cross section along the line V--V in FIG. 3, the bracket (8) is composed of a vertically lower side piece (8a) and an upper end of this side piece (8a). It is an L-shaped one consisting of a horizontally extending horizontal piece (8b), as shown in FIG.
It is fixed to the top plate (5) by a plurality of bolts (12).

A screw seat (3) is provided inside the end of the connecting rod (9).
, Which are formed with two upper and lower female threads to be screwed into the bolt (10).

Inside the slightly flat rectangular tubular pillar (1) near the upper end, there is provided a rectangular tubular reinforcing member (13) having a square cross section with a fitting shape. Pillar (1) and reinforcement (1
3) Further, a hole through which the bolt (10) passes is formed in the side piece (8a) of the bracket (8).

The horizontal piece (8b) of the bracket (8) has a connecting rod
The notch (8c) is formed by cutting out the area touching (9), but the pillar (1) abuts on the lower surface of the horizontal piece (8b) of the bracket (8) and directly contacts the top plate (8). There is no contact with the lower surface of 5).

As shown in FIGS. 1 and 4, the cover member (11) has a roughly arc-shaped thin lid shape and covers the bolt (10) from the outside. Projecting portions (11a) projecting from both sides of the pillar (1) protrude from the lower portion of the cover member (11).

Further, as is apparent from FIG.
(11) is formed with an engaging claw (14) and a positioning shaft (15). Correspondingly, the side piece (8a) of the bracket (8) has an engaging hole (16) and a positioning hole (15). A positioning hole (17) is formed.

In assembling the table (A), the upper outer surface of the rectangular tubular pillar (1) is brought into contact with the inner surface of the side piece (8a) of the bracket (8). FIG. 5 shows that both are fixed in advance by welding in this state, but generally, there is a case where welding is not performed.

Next, the side piece (8a) of the bracket (8), the pillar
A bolt (10) is inserted into a bolt hole formed in the upper part of (1) and the reinforcing member (13), and the male screw portion is screwed into the female screw portion of the screw seat (3) of the connecting rod (9). , The inner surface of the pillar (1) is a connecting rod
Tighten until it abuts the end face of (9) and is sufficiently fixed.

Finally, the cover member (11) is engaged with the engaging claw (14) while the positioning shaft (15) is inserted into the positioning hole (17) of the side piece (8a) of the bracket (8). Attach it by hooking it into the hole (16).

[0024]

According to the present invention, since the side piece of the bracket is superimposed on the head side of the bolt for attaching the pillar to the connecting rod, the bolt is tightened or the leg due to the lateral load during use of the table is used. The column can be prevented from being deformed by crushing, and the table can be manufactured at low cost without any loosening of the bolts during the use of the table.

If the reinforcing member is arranged inside the upper part of the pillar to be bolted as in the second aspect of the invention, the strength can be further increased.

According to the third aspect of the present invention, when the cover member that covers the vicinity of the bolt to which the pillar is fastened is attached to the outer surface of the bracket, the head of the bolt is not visible, and the appearance of the table is improved. can do.

According to a fourth aspect of the present invention, when an engaging hole is formed in the side piece of the bracket and an engaging claw for engaging with the engaging hole is provided on the cover member, the mounting is performed. In addition to the above, the cover member can be easily removed when it becomes necessary to remove the bolt due to disassembly or the like.

According to a fifth aspect of the present invention, when a positioning hole is formed in the side piece of the bracket and a positioning shaft is provided in the cover member to engage with the positioning hole.
Alignment of the cover member with the bracket can be easily achieved, and breakage of the engagement claws can be prevented.

[Brief description of the drawings]

FIG. 1 is a side view of a table of the present invention.

FIG. 2 is a front view of the table of the present invention, which is partially omitted.

FIG. 3 is an enlarged view of an upper left portion of FIG.

FIG. 4 is a cross-sectional view taken along the line IV-IV of FIG. 3, which is partially omitted.

FIG. 5 is a cross-sectional view taken along line VV of FIG. 3, which is shown with a part omitted.

FIG. 6 is a sectional view similar to FIG. 5 of a conventional example.

[Explanation of symbols]

 (A) Table (1) Pillar (2) Connecting rod (3) Screw seat (4) Bolt (5) Top plate (6) Caster (7) Pedestal (8) Bracket (8a) Side piece (8b) Horizontal Piece (8c) Notch (9) Connecting rod (10) Bolt (11) Cover member (11a) Overhang (12) Bolt (13) Reinforcement member (14) Engagement claw (15) Positioning shaft (16) Engage Hole (17) Positioning hole

Claims (5)

[Claims] 1. An outer surface of an upper portion of an upright tubular pillar is brought into contact with an inner surface of a front-facing bracket fixed to a lower surface of a top plate, and right and left end surfaces of a connecting rod facing left and right. A table in which an upper inner surface of the pillar is abutted and the connecting rod is fastened from outside of the bracket with a bolt. 2. The table according to claim 1, wherein a reinforcing member is disposed inside an upper portion of the pillar to be bolted. 3. The table according to claim 1, wherein a cover member is attached to an outer surface of the bracket so as to cover and hide the vicinity of a bolt to which the pillar is fastened. 4. The table according to claim 3, wherein an engagement hole is formed in a side piece of the bracket, and a mounting claw is provided on the cover member for engaging with the engagement hole. 5. The table according to claim 4, wherein a positioning hole is formed in the side piece of the bracket, and a positioning shaft is provided on the cover member so as to engage with the positioning hole.