JP2001029144A - Frame structure of working table - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a frame structure of a working table for easily attaching a support and a connecting rod in assembling the frame. SOLUTION: A support 2 consists of a wide part and a narrow part in the front/rear direction, and supports 2 are disposed with their narrow parts facing each other. A connecting rod 13, having vertical pieces 13c on both sides apart from each other in the front/rear direction by almost the same size as the narrow part of the support 2, is attached to supports 2 with the narrow parts of the supports 2 clasped between the vertical pieces 13c. As the narrow part of each support 2 is clasped between right/left vertical pieces 13c of the connecting rod 13, the connecting rod 13 will not easily vibrate in the front/rear directions relative to the support 2. In addition, as the connecting rod 13 is guided along supports 2 movably upward/downward, fixing of the connecting rod 13 to the supports 2 can be easily done.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a frame structure for a workbench in which a top plate or the like is mounted on both front and rear or both sides of both columns separated from each other.

[0002]

2. Description of the Related Art Conventionally, two columns have been arranged at right and left distances, and these columns have been connected via connecting rods to form a frame-shaped frame. There is a workbench that can be used to attach etc.

[0003] In this type of work table, the right and left ends of the connecting rod are brought into contact with the side faces of the column, and the contact portions are welded to fix them together, or flanges are attached to the left and right ends of the connecting rod. The frame was assembled by fastening and fixing the flange and the support with bolts or the like.

[0004]

However, at the time of assembling the work table as described above, the connecting rod is supported by a tool or a bare hand, and after positioning with respect to the support, the right and left ends of the connecting rod are supported by the support. It was necessary to abut on the side surface and weld or connect with bolts, and this positioning required a very laborious operation.

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and an object of the present invention is to provide a frame structure in a worktable on which a support and a connecting rod can be easily attached at the time of assembly. .

[0006]

In order to solve the above-mentioned problems, a column structure in a work table according to the present invention is provided in a work table in which a top plate or the like is attached to both front and rear sides or both sides of both columns separated to the left and right. In a frame structure, the support comprises a wide part wide in front and back, and a narrow part narrow in front and back, and is arranged so that the narrow part of the support faces the narrow part of the support. It is characterized in that connecting rods having vertical pieces at the left and right ends separated by the same size in the front-rear direction are attached between the vertical pieces so as to fit the narrow portions of the columns. According to this feature, since the narrow portion of the support is fitted between the right and left vertical pieces of the connecting rod, the connecting rod does not vibrate forward and backward relative to the support, and further, the connecting rod is Since the guide is movably guided in the vertical direction, the work of fixing the connecting rod and the support can be easily performed.

[0007] The frame structure in the work table of the present invention,
It is preferable that a mounting piece is formed extending outwardly in the front-rear direction from the end of the end of each of the vertical pieces, and a locking hole for bolt insertion is formed in the mounting piece. With this configuration, the connecting rod and the column can be bolt-connected using the locking holes for bolt insertion formed in the mounting piece.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a state in which work tables 1 to which a frame structure according to the present embodiment is applied are arranged side by side. Each work table 1 is mainly composed of columns 2 which are arranged to be separated from each other left and right, legs 12 for erecting the columns 2, and connecting rods 13 and 14 which connect the columns 2 to each other vertically. It is configured.

A top plate 4 is attached to the front and rear of each column 2 via a bracket 3, and above it,
A shelf 16 and a hanging net 17 are attached. further,
A substantially L-shaped upper support member 18 for supporting a ceiling frame 19 to which a lighting fixture or the like is attached is provided at an upper opening (not shown) of the support 2.
Is fitted and fixed to the column 2.

As shown in FIGS. 2 to 5, the support 2 is
Base piece 2 which is formed by bending steel etc.
c, a first front and rear piece 2a extending in the direction of the support column 2 facing from both sides of the base piece 2c, and an intermediate piece 2e extending inward from the tip of the first front and rear piece 2a substantially parallel to the base piece 2c. A wide portion, a second front and rear piece 2b extending in the direction of the support column 2 facing the tip of the intermediate piece 2e, and a reinforcing piece 2d folded back inward again from the tip of the second front and rear piece 2b. , And the inside is formed so as to have a hollow, substantially convex shape in cross section.

[0011] The first front and rear pieces 2a and the second front and rear pieces 2b include:
A plurality of locking holes 7, 8 are formed in the vertical direction so that locking claws (not shown) formed on the brackets 3, 15 and the locking net 17 can be engaged.

The base piece 2c is provided with a large-sized wiring hole 9 (see FIG. 1), through which the cords C are inserted. Can be accommodated.

As shown in FIG. 4, two rows of leg locking holes 2h are vertically formed in the vicinity of the lower ends of the first and second front and rear pieces 2a of the support column 2 so as to extend vertically. In the stop hole 2h,
An upward locking claw 12a formed at the rear end of the leg 12 can be engaged with the bolt 1 after the engagement.
2c is inserted into a bolt insertion hole 12
b, a female screw part 2 provided at the lower part of the first front and rear pieces
By screwing into the i, the leg 12 can be attached to the column 2.

A leg end attachment member 21 having a female screw portion 21a at a substantially central portion and having a substantially upward U-shaped cross section is fixedly provided inside the lower end of the column 2, and is formed at an upper portion thereof. The leg end tool 22 is attached to the column 2 by screwing the male screw portion into the female screw portion 21a.

As shown in FIGS. 2 and 4, a pair of female screw portions 2j in the vertical direction are provided near the upper portions of both intermediate pieces 2e of the support column 2, and a pair of female screw portions in the vertical direction are provided near the lower portion. 2k are provided respectively.

As shown in FIG. 2, the connecting rod 13 includes a base 13a having a front-rear width substantially the same as the separation width of the second front and rear pieces 2b of the column 2, and a front and rear end of the base 13a. A vertical piece 13b bent downward is formed in a U-shape with a substantially downward cross section.

The left and right widths of the vertical pieces 13b are the same as the base pieces 13a.
The narrower portion of the support column 2 can be fitted between the front and rear vertical pieces 13b, 13b at the left and right ends thereof.

From the left and right ends of the vertical piece 13b, mounting pieces 13c having a bolt insertion hole 13d which can communicate with the female screw portion 2j of the column 2 are formed so as to be bent forward and backward, respectively.

Then, as shown in FIG.
After fitting the narrow portion of the column 2 between the front and rear vertical pieces 13b, 13b at the left and right ends of the column 3, the connecting rod 13 is connected to the female thread 2j of the column 2 by the bolt insertion hole 13d of the mounting piece 13c. The connecting rod 13 can be fixed to the support column 2 by adjusting the height up and down so that the connecting rod 13 is communicated with the female screw 2j through the bolt insertion hole 13d. .

As shown in FIG. 4, the connecting rod 14 has the same size as the left and right dimensions of the base 13a of the connecting rod 13, and its front and rear ends are bent vertically downward in a substantially U-shaped cross section. 14a and two vertical pieces 14b
It is composed of

The substrate 14a is formed to have a slightly wider front-rear width than the front-rear width of the base piece 13a, and has a vertical piece 1
4b are welded so as to be separated by the same width as the front-rear width of the narrow portion of the column 2, and the narrow portion of the column 2 fits between the vertical pieces 14b, 14b facing each other at the left and right ends. I can do it.

The vertical width of the left and right ends of the vertical piece 14b is longer than that of the left and right ends of the vertical piece 13b, and a bolt insertion hole capable of communicating with the female screw portion 2k of the column 2 is provided. The mounting pieces 14c in which the holes 14d are formed are formed outward.

Then, as shown in FIG.
After fitting the narrow portion of the column 2 between the front and rear vertical pieces 14b, 14b at the left and right ends of the column 4, the connecting rod 14 is connected to the female threaded portion of the column 2 by the bolt insertion hole 14d of the mounting piece 14c. The connecting rod 14 can be fixed to the column 2 by adjusting the height up and down so that the connecting rod 14 communicates with the column 2k and screwing the bolt 14e into the female screw 2k through the bolt insertion hole 14d and fastening. I have.

In this way, by connecting the columns 2 that are separated from each other to the left and right via the upper and lower connecting rods 13 and 14, a frame-shaped frame constituting the work table 1 is formed. I have.

In the frame structure of the work table 1 configured as described above, the narrow portion of the support 2 is
Are fitted between the vertical pieces 13b formed at the left and right ends of the vertical rods 13b and the vertical pieces 14b formed at the left and right ends of the connecting rods 14, so that the connecting rods 13 and Since the connecting rods 13 and 14 are guided movably in the vertical direction of the column, the connecting rod 1 is not vibrated.
The work of fixing the columns 3 and 14 to the column 2 can be easily performed.

In this state, the vertical pieces 13b and 1
4b, bolts 13e, 14e are inserted into bolt insertion holes 13d, 14d formed in the mounting pieces 13c, 14c, and screwed into female screw portions 2j, 2k provided on the support post 2 to fasten the connection rod 13 And 14 and the column 2 can be firmly connected.

Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

For example, when the connecting rods 13 and 14 are mounted on the column 2, the mounting pieces 13 c and 14 c and the intermediate pieces 2 e on the left and right sides of the column 2 are fixed with bolts 13 e and 14 e. 14b and the two second front and rear pieces 2b of the column 2 may be attached with bolts or the like.

Further, the connection between the connecting rods 13, 14 and the column 2 is not limited to the bolt connection, but may be connected by other methods.

[0030]

The present invention has the following effects.

(A) According to the first aspect of the present invention, since the narrow portion of the support is fitted between the left and right vertical pieces of the connection rod, the connection rod vibrates one after another with respect to the support. Without
Further, since the connecting rod is guided so as to be movable in the vertical direction of the column, the fixing work between the connecting rod and the column can be easily performed.

(B) According to the second aspect of the present invention, the connecting rod and the column can be bolt-connected using the bolt insertion hole formed in the mounting piece.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a work table to which a frame structure according to the present invention is applied.

FIG. 2 is an exploded view showing a structure of an upper portion of a support and a connecting rod of FIG. 1;

3 is a partially cutaway view showing an assembled state of FIG. 2;

FIG. 4 is an exploded view showing a structure of a lower part of a support and a connecting rod of FIG. 1;

FIG. 5 is a partially broken view showing an assembled state of FIG. 4;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 work table 2 support 2a first front and rear piece 2b second front and rear piece 2c base piece 2d reinforcing piece 2e intermediate piece 2h leg locking hole 2i, 2j, 2k female screw portion 3 bracket 4 top plate 7, 8 locking hole 9 wiring Holes 12 Legs 12a Locking claws 12b Bolt insertion holes 12c Bolts 13, 14 Connecting rods 13a Base pieces 14a Boards 13b, 14b Vertical pieces 13c, 14c Mounting pieces 13d, 14d Bolt insertion holes 13e, 14e Bolts 15 Brackets 16 Shelf 17 Hanging Stop net 18 Upper support material 19 Top end frame 21 Leg end fitting attachment member 21a Female screw part 22 Leg end C code

Claims (2)

[Claims] 1. A frame structure in a worktable in which a top plate or the like is attached to both front and rear sides or one side of both columns separated from each other in the left and right directions, wherein the columns have a wide wide portion in the front and rear, and a narrow width in the front and rear. A connecting rod having left and right vertical pieces that are separated from the front and rear by approximately the same size as the narrow part of the support column, and are disposed so that the narrow portions of the support columns face each other. A frame structure in a workbench, wherein a narrow portion of each column is attached so as to fit between the columns. 2. The work according to claim 1, wherein a mounting piece is formed extending forward and backward outward from the end of the end of each of the vertical pieces, and a locking hole for inserting a bolt is formed in the mounting piece. Frame structure on the table.