JPH0738012U - Coupling structure of frame rod - Google Patents

Abstract

(57) [Summary] [Purpose] The assembling work is simple, and the vertical rod and the horizontal rod are firmly connected once assembled. [Structure] A part of the vertical rod 4 is formed by inclining the horizontal rod 9 obliquely upward with respect to the vertical rod 4 and by a pair of upper and lower projections 18 and 19 continuously provided at the lower end of the horizontal rod 9. Insert the hook piece 20 of the horizontal rod 9 into the elongated hole 14 of the vertical rod 4, and then move the entire horizontal rod 9 in the longitudinal direction of the vertical rod 4 to move the hook piece 20 into one of the elongated holes 14 When the horizontal rod 9 is rotated to a substantially horizontal position after being engaged with the edge of the, the projections 21 and 16 engage with the engagement holes 15 and 22, and the vertical rod 4 and the horizontal rod 9 are It is firmly connected because it cannot move relative to any of the up, down, left and right directions.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connecting structure for connecting a vertical rod and a horizontal rod, which form, for example, a shelf frame, in a substantially T-shape.

[0002]

[Prior art]

 For example, Japanese Utility Model Application Laid-Open No. 56-123135 discloses front and back receiving materials for connecting a pair of left and right side frames and front and rear portions of both side frames and appropriate intermediate portions to each other. A shelving frame is constructed with interleaving materials, and a plurality of roller conveyors that incline forward and downward are provided on this shelving frame so that the load placed on the rear part of the roller conveyor flows to the front of the shelves. It is disclosed.

Further, FIG. 5 of the above publication discloses, as an example of a connecting structure for connecting a side frame and an intermediate receiving member in a shelf frame in a T shape, a horizontal direction in which a cross-sectional shape is a substantially downward U shape. A pair of front and rear hook-shaped locking part pieces are provided in series at the end of the facing intermediate material, and the locking part pieces are oriented vertically in the side frame corresponding to them. It is disclosed that it is inserted into a pair of front and rear long holes, and then the upper portions of both engaging portion pieces are bent in the front-rear direction to be plastically deformed.

[0004]

[Problems to be solved by the device]

 According to the conventional structure as described above, after inserting the locking piece into the long hole, the upper part of the locking piece must be bent, and the bending work is complicated, and automation of the work is difficult, In addition, when it is desired to separate the side frame and the intermediate receiving material for repair or inspection, it is troublesome to bend the upper part of the locking piece straight up.

In view of the above-mentioned problems of the conventional technique, the present invention is a frame which is easy to assemble, and in which the vertical rod and the horizontal rod are firmly connected once assembled. The purpose is to provide a connecting structure for the rod.

[0006]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a frame rod connecting structure in which a vertical rod facing substantially in the front-rear direction and an end portion of a horizontal rod facing in the left-right direction are connected to each other. A hook piece that bends in an L-shape toward the longitudinal direction of the vertical rod is provided at the tip of the lower projection piece, and the hook piece is drilled in the lower part of the vertical rod. The upper projection of the horizontal rod and the upper surface of the vertical rod which are engaged with one edge of the long hole facing the longitudinal direction of the rod and which face each other when the hook piece engages with the edge of the long hole. One of the portions is provided with an engaging hole, and the other is provided with a protrusion projecting into the engaging hole.

It is preferable that the engagement hole and the protrusion are two pairs, and the arrangement of each pair is reversed. That is, when the hook piece engages with the edge of the elongated hole, the first engaging hole and the second protrusion are provided on either one of the upper protruding piece of the horizontal rod and the facing portion of the upper surface of the vertical rod which face each other. It is preferable to provide a first projection that projects into the first engagement hole and a second engagement hole that projects into the second projection on the other side.

When the connecting structure of the frame rod of the present invention is applied to the connecting structure of the side frame of the shelf frame of the fluidized shelf and the intermediate receiving material, the vertical rod is the side frame of the shelf frame, and the horizontal rod is It becomes an intermediate receiving material.

[0009]

[Action]

 The horizontal rod is inclined obliquely upward with respect to the vertical rod, and a pair of upper and lower projections connected to the lower end of the horizontal rod sandwich a part of the vertical rod so that the hook piece of the horizontal rod can be caught. Insert it into the long hole of the vertical rod, then move the entire horizontal rod in the longitudinal direction of the vertical rod to engage the hook piece with one edge of the long rod, and then rotate the horizontal rod to a substantially horizontal position. When moved, the projection engages with the engaging hole, and the vertical rod and the horizontal rod are firmly coupled with each other in such a manner that they cannot move relative to each other in the vertical, horizontal, and front-back directions.

[0010]

【Example】

 Hereinafter, an embodiment in which the present invention is applied to a connecting structure of a side frame and an intermediate receiving material in a shelf frame of a fluidized shelf will be described with reference to the accompanying drawings.

In FIG. 2, (1) is a fluidized shelf, (2) is its frame, and (3) is an upper, middle, lower three-level shelf frame supported by the frame (2).

As shown in FIG. 3, each shelf frame (3) includes a pair of left and right side frames (vertical rods) (4) facing substantially in the front-rear direction, and front and rear ends of both side frames (4). The left and right ends of the front and rear receiving members (7) and (8), which are fixed to the left and right ends with bolts (5) and nuts (6), and in the middle of the two side frames (4). The left and right ends are composed of an arbitrary number of intermediate receiving members (horizontal rods) (9) connected in the left-right direction as described later.

Each shelf frame (3) is fixed to the frame (2) by welding or screwing so as to incline slightly forward, and a plurality of small roller conveyors (10) inclining slightly downward are provided on the upper surface thereof. ) And the partition plate (11) are supported at an appropriate interval in the left-right direction.

The roller conveyor (10) has a large number of rollers (13) rotatably supported on a roller support frame (12) facing substantially in the front-rear direction around an axis extending in the left-right direction at regular intervals in the front-rear direction. It consists of things.

Thus, the load (not shown) placed from the rear of each shelf frame (3) slides forward along the roller conveyor (10), comes into contact with the front receiving material (7), and stops. When the foremost load on the shelf frame (3) is taken out, the subsequent loads sequentially move forward by one load.

Next, the joint structure of the side frame (4) which is a vertical rod and the intermediate receiving member (9) which is a horizontal rod will be described in detail with reference to FIG.

As shown in FIG. 1, the side frame (4) extends vertically toward the inside of the shelf frame (3) from the vertical side piece (4a) and the upper end of the side piece (4a). An elongated hole (14) facing the longitudinal direction of the side frame (4), which is made of an angle member having an upper piece (4b) and is located below the side piece (4a) where the intermediate receiving material (9) is to be joined. Has been drilled.

In addition, in the portion near the inner edge of the upper piece (4b) slightly rearward of the elongated hole (14), the elongated hole-shaped first engaging hole facing the longitudinal direction of the side frame (4). (15) is provided, and an upward circular second protrusion (16) is provided on the upper surface of the upper piece (4b) right next to the first engaging hole (15).

The intermediate receiving member (9) is composed of a substantially vertical front piece (9a) and upper pieces (9b) and lower pieces (9c) extending rearward from the upper and lower ends of the front piece (9a). ) And a channel material with.

By providing a substantially U-shaped cutout (17) at the upper left and right ends of the front piece (9a), both ends of the upper piece (9b) and the lower piece (9c) of the intermediate receiving member (9) are provided. A pair of upper and lower projecting pieces (18) and (19) extending to both sides are formed on the part. A hook piece (20) bent in an L-shape toward the rear is provided continuously to the tip of the lower protruding piece (19) in parallel with the longitudinal direction of the side frame (4).

When the hook piece (20) is engaged with the rear edge of the elongated hole (14) of the side frame (4), it faces the first engaging hole (15) and the second protrusion (16). In the opposite portion of the upper projecting piece (18), the first projection (21) cut and raised downward into the first engaging hole (15) and the second projection (16) are projected into a circular shape. Second engaging hole (22) is provided.

Thus, as shown in FIG. 4, the intermediate receiving member (9) is tilted upward with respect to the side frame (4), and the notch (17) is inserted into the upper piece (4b) of the side frame (4). ) Fitted, insert the hook piece (20) of the intermediate receiving material (9) into the long hole (14) of the side frame (4), then turn the intermediate receiving material (9) backwards. When the hook piece (20) is engaged with the rear edge of the elongated hole (14) by parallel movement, and then the intermediate receiving member (9) is rotated to a substantially horizontal position, the first projection (21 ) Is inserted into the first engaging hole (15), the second projection (16) is inserted into the second engaging hole (22), and the intermediate receiving member (9) is inserted into one side frame (4). They are immovable relative to each other in the up / down, left / right and front / rear directions, and are firmly connected in a T-shape.

After that, the other end of the intermediate receiving member (9) is joined to the other side frame (4) in the same manner as described above, and then the front and rear ends of the both side frames (4) are connected to each other. A strong shelf frame (3) is formed by fixing the material (7) and the backing material (8) with the bolt (5) and the nut (6).

In the above embodiment, the first engagement hole (15) and the first projection (21) or the second projection (16) and the second engagement hole (22) are combined. Either one may be omitted and implemented. Further, the cross-sectional shapes of the side frame (4) and the intermediate receiving material (9) may be a square tube or other shapes other than the above-mentioned embodiment.

Further, the joint structure of the present invention is not limited to the joint structure of the side frame and the intermediate receiving member in the shelf frame of the fluidized shelf as described above, and the vertical rod and the horizontal rod are T-shaped or L-shaped. It can be applied to any case where it is combined with the like.

[0026]

[Effect of device]

 As is apparent from the above, according to the present invention, the hook piece of the horizontal rod is engaged with one edge of the long hole of the vertical rod with the horizontal rod facing obliquely upward with respect to the vertical rod, By simply returning the rod to a substantially horizontal position, the vertical rod and the horizontal rod can be easily and firmly joined together without using any bolts, adhesives, caulking means, or the like. Also, once connected, it will not come off in any of the front-back, left-right, and top-bottom directions. Furthermore, it can be easily disassembled in the reverse order of the above.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a main part of an embodiment of the present invention.

FIG. 2 is an external perspective view showing an example of a fluidized shelf to which the present invention is applied.

FIG. 3 is an exploded perspective view of a shelf frame.

FIG. 4 is a schematic front view showing an assembling procedure.

[Explanation of symbols]

 (1) Floating shelf (2) Frame (3) Shelf frame (4) Side frame (vertical rod) (4a) Side piece (4b) Upper piece (5) Bolt (6) Nut (7) Front receiving material (8) Rear receiving material (9) Intermediate receiving material (horizontal rod) (9a) Front piece (9b) Upper piece (9c) Lower piece (10) Roller conveyor (11) Partition plate (12) Roller support frame (13) Roller ( 14) Long hole (15) First engaging hole (16) Second protrusion (17) Notch (18) (19) Projecting piece (20) Hook piece (21) First protrusion (22) Second engaging hole

Claims (3)

[Scope of utility model registration request] 1. A frame rod connecting structure in which an end of a horizontal rod facing in the left-right direction is connected to a vertical rod facing in the front-rear direction, and a pair of upper and lower projecting pieces are continuously provided to the end of the horizontal rod. , A hook piece bent in an L-shape toward the longitudinal direction of the vertical rod is provided at the tip of the lower protruding piece, and the hook piece is provided with a long hole facing the longitudinal direction of the vertical rod formed in the lower part of the vertical rod. An engaging hole is formed in one of the facing portions of the upper protruding piece of the horizontal rod and the upper surface of the vertical rod which are engaged with one edge and which face each other when the hook piece engages with the edge of the elongated hole. And a projection projecting into the engagement hole is provided on the other side. 2. The first engaging hole and the first engaging hole are provided in either one of the facing portions of the upper protruding piece of the horizontal rod and the upper surface of the vertical rod which face each other when the hook piece engages with the edge of the elongated hole. With two protrusions,
The connecting structure for the frame rod according to claim 1, further comprising a first protrusion that projects into the first engaging hole and a second engagement hole into which the second protrusion projects. 3. A vertical frame having a pair of left and right side frames and front and rear receiving members and rear receiving members and intermediate receiving members for connecting front and rear portions of both side frames and appropriate intermediate portions to each other. A plurality of roller conveyors inclined forward and downward are provided above, and the load placed on the rear portion of the roller conveyor is a side frame of the shelf frame in a fluidized shelf, and a horizontal rod is in the fluidized shelf. The connecting structure for the frame rod according to claim 1 or 2, which is an intermediate receiving material for a shelf frame.