JPS6328156Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The invention is a fixing structure between the bottom wall of an assembled water tank and a pedestal,
More specifically, the present invention relates to a fixing structure for fixing the stay mounting base plate on the inner surface of the bottom wall and the bottom wall to the frame.

[Prior art and its problems]

Conventionally, there is a structure for fixing the bottom wall of a prefabricated aquarium and a pedestal as disclosed in Japanese Patent Application Laid-open No. 1081/1981.

This prior art has a bottom wall 10 as shown in FIG.
Place the stay mounting base plate 102 on the cross-shaped joint of the unit panel plates 101, 101 constituting 0,
This stay mounting base plate 102 and the bottom wall 100,
A long bolt 104 that passes through the bottom wall 100 and the pedestal 103, and two bolts that are screwed into the bolt 104 and fastened to the lower surface of the bottom wall 100 and the lower surface of the pedestal 103, respectively.
It is fixed to the frame 103 using two mounting nuts 105 and 106.

However, in this prior art, since it is necessary to fasten the long bolt 104 to the frame 103 with the mounting nut 106, the length of the bolt is such that it protrudes beyond the lower end of the upright edge 101' of the unit panel 101 constituting the bottom wall 100. The stay mounting base plate 102 is attached to the bottom wall 1 in advance using the long bolt 104 and the mounting nut 105.
00, and this bottom wall 100 is fixed to the frame 10.
3, when the bottom wall 100 is placed, the protruding end surface of the long bolt 104 abuts the top surface of the pedestal 103, that is, the mounting surface, and buckles under the weight of the bottom wall 100, so in reality, the bottom wall 100 Base plate 1 for stay installation on the inner surface
After positioning 02, this stay mounting base plate 1
02, a worker who suspends the long bolt 104 so as to pass through the bottom wall 100 and the mounting surface of the pedestal 103 and prevents the long bolt 104 from spinning when the mounting nuts 105 and 106 are tightened, and the pedestal 10
At least two workers are required, including a worker who uses the maintenance and inspection space between 3 and 3 to sneak under the bottom wall 100 and tighten the two mounting nuts 105 and 106 to the long bolts 104, This is not desirable in terms of labor reduction.

[Technical issues]

The technical problem of the present invention is that only one worker who uses the space for maintenance and inspection under the bottom wall and crawls under the bottom wall can install the bottom wall with the base plate for mounting the stay on the inside.
It is to be fixed to a pedestal.

[Technical means]

The technical means of the present invention is to attach a base plate for attaching a stay to the inner surface where each panel plate of the bottom wall is joined in a cross shape, and abuts on each corner part across the joining line perpendicular to the cross shape. The bottom wall is fastened and fixed with a lining bolt that penetrates and protrudes outward and a mounting nut that is applied to the outer surface of the panel plate, and the bottom wall is placed on the pedestal with the upright edge in contact with the pedestal, and the lining is Connect the protruding end of the bolt and the pedestal mounting bolt that penetrates from the bottom surface of the pedestal and protrudes upward with a high connecting nut, and adjust the height of the high connecting nut to the protruding end surface of the lining bolt protruding from the bottom wall. This is to make the distance from the lower end of the rim equal to or slightly lower.

[Effect]

The effects of the technical means of the present invention are as follows.

The threaded part of the pedestal mounting bolt that passes upward through the mounting surface of the pedestal is provided with a gap that is equal to or slightly smaller than the distance between the protruding end surface of the lining bolt that protrudes from the bottom wall and the lower end of the upright edge of the panel plate that makes up the bottom wall. Screw together the high nut for connecting the height in advance, and attach it to this frame.
A bottom wall with a base plate for stay mounting is placed on the inner surface where each panel plate is joined in a cross shape using lining bolts and mounting nuts applied to the outer surface of the panel plates that make up the bottom wall, and the bottom wall is secured between the frames. The bottom wall is fixed to the pedestal by rotating the connecting high nut in the direction of the threaded part of the lining bolt and screwing it into the threaded part of the lining bolt using the space for maintenance and inspection.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

In the figure, A is a water tank, and the water tank A has a raised edge b ₁ on the periphery.
In the central part, a unit panel plate b having a square front face with a bulging part b ₂ integrally molded, and its upright edge
b Constructed by sequentially connecting ₁ comrades in contact with each other.

A' is a cruciform joint where the upright edges b ₁ of each panel board b forming the bottom wall of the aquarium A are joined in a cross shape downward, and a is a panel board b of the cruciform joint A'. This is a fixing device that reinforces the joints between each other and attaches and fixes the bottom wall and the pedestal B.

This fixing device a includes a stay mounting base plate 1 that attaches and fixes the tip of the stay C via a mounting piece 1b (described later), a lining bolt 2 that attaches this base plate 1 to the inner surface of a cross-shaped joint A' on the bottom wall, cruciform junction
A mounting nut 13 applied to the outer surface of A', a pedestal mounting bolt 3 connected to the tip of this lining bolt 2 to attach pedestal B to the bottom wall, and screwed together across the tips of both bolts 2 and 3. It consists of a connecting high nut 4.

The above-mentioned stay mounting base plate 1 is a metal iron plate, and has a front surface large enough to touch the inner surface of the cross-shaped joint A', and the horizontal plane b ₃ of each corner part straddling the joint line perpendicular to the cross-shaped joint A'. A mounting piece that is formed in a substantially square shape, has an insertion hole 1a at each corner edge for inserting a bolt, and attaches and fixes the tip of a stay c that is installed in an inclined manner across a bottom wall and a side wall. 1b stands up at right angles on its center and is welded and fixed together.

This mounting piece 1b has a mounting hole 1b' for fastening and fixing the tip of the stay c with a bolt.

The stay mounting base plate 1 is attached to the inner surface of a cross-shaped joint B formed by joining each unit panel plate b forming the bottom wall of the aquarium A in a cross shape, via a gasket 10, and the unit panel plate b is A lining bolt 2 that penetrates and has a threaded portion 2a protruding outward, that is, to the bottom or back surface of the bottom wall, is inserted through each insertion hole 1a to penetrate the panel board b, and the horizontal surface of each corner of the panel board b. b Threaded part 2a protruding downward from ₃
Then, screw the mounting nut 13 through the packing 11 and washer 12 to securely fix the stay mounting base plate 1 to the inner surface of the cross-shaped joint B.

On the other hand, the pedestal B is an E-shaped material, and is formed in series so that the unit panel plates b that form the bottom wall of the aquarium _A can be placed on all of the raised edges b of each other, and the cross-shaped joint. Holes for bolt insertion are provided in the fixed piece B' of the upper piece of the pedestal B, which faces the tip of the threaded part 2a of the lining bolt 2 that protrudes from the horizontal surface b ₃ of each corner of A'.
A hole is drilled in each of B ₁ ′, and this hole for bolt insertion is
The frame mounting bolt 3 is inserted from B ₁ ' toward the tip of the threaded portion 2a of the lining bolt 2, and the connecting high nut 4 is screwed into the threaded portion 3a.

The high connecting nut 4 has a height that is equal to or slightly lower than the distance between the protruding end surface of the threaded portion 2a of the lining bolt ₂ protruding from the bottom wall and the lower end of the upright edge b1 of the panel plate b constituting the bottom wall. be.

Then, the tip of the threaded part 3a of the pedestal mounting bolt 3 screwed with the high connection nut 4 is made to face the tip of the threaded part 2a protruding from the panel plate b (the third
(Fig.), the end surfaces (lower surfaces) of the upright edges _b1 joined to each other downward are brought into contact with the fixed piece B' of the upper piece of the pedestal B.

Then, turn the connection nut 4 to connect the panel board b
When the screw portion 2a is moved toward the protruding screw portion 2a, the screw portion 2a and the connecting nut 4 are screwed together.
Both screw portions 2a, 3a can be connected together, and the stand B can be attached and fixed to the panel plate b forming the bottom wall (FIG. 2).

Therefore, after the stay mounting base plate 1 is fastened and fixed to the inner surface of the bottom wall, the pedestal B can be mounted and fixed from the outside regardless of the fastening, so the mounting work is extremely easy. I can do it.

In the above embodiment, the installation of the cross-shaped joint A' of the unit panel plate b forming the bottom wall of the water tank A and the frame B was described in detail, but as shown in FIG. Unit panel board forming
Pressing plate 20 fixed to the outer surface of the cross-shaped joint A' of b'
Similarly to the embodiments described above, the stay mounting base plate 1 can be fastened and fixed to the inner surface thereof, and then it can be mounted and fixed from the outside.

In addition, the mounting piece 1b for attaching the tip of the stay c was directly welded and fixed to the stay mounting base plate 1, but
The stay mounting base plate 1 is fixed by welding to a plate having the same size as the stay mounting base plate 1 and having holes for bolt insertion in its corner edges, and the stay mounting base plate 1 is attached to the cross-shaped joint.
When fixing to the upper surface (inner surface) of A', it is optional to overlap the upper surface and tighten and fix together with the lining bolts 2.

[Effect of idea]

Since the present invention is constructed as described above, it has the following advantages.

When fixing a bottom wall with a stay mounting base plate on the inside to a pedestal, the threaded portion of the pedestal mounting bolt penetrates upward into the pedestal by utilizing the space for maintenance and inspection formed between the pedestals under the bottom wall. The bottom wall can be fixed to the pedestal by rotating the connecting high nut, which has been screwed in advance, upward and screwing it onto the threaded portion of the lining bolt protruding from the bottom wall.

Therefore, when fixing the bottom wall to the frame, the fixing work can be performed by only one worker under the bottom wall, instead of requiring two workers inside and outside as in the prior art, reducing the number of workers. This can contribute to improving work efficiency.

Thus, the intended purpose can be achieved.

[Brief explanation of the drawing]

Figure 1 is a longitudinal front view showing a part of the water tank cut away, Figure 2 is a sectional view showing an enlarged part of the tank, and Figure 3 is a pedestal mounted after fixing the stay mounting base plate. FIG. 4 is an exploded perspective view showing the state before the stay mounting base plate and the pedestal are fixed to the bottom wall, and FIG. 5 is another embodiment.
Fig. 6 is a cross-sectional view showing a state in which a stay mounting base plate is fixed to the inner surface of the cross-shaped joint between unit panel plates forming the side wall of the aquarium, and a pressing plate for pressing the surface is fixed to the outer surface. FIG. 3 is an enlarged cross-sectional view of the fixed portion between the bottom wall and the pedestal. In the diagram, A...water tank, B...stand, b...unit panel, _b1 ...upright edge, 1...stay mounting base plate,
2... Lining bolt, 3... Frame mounting bolt, 4... Connection high nut.

Claims (1)

[Scope of utility model registration request] In an aquarium in which the bottom wall is formed by interconnecting the upright edges of unit panel boards having upright edges integrally on the periphery, the cross section is formed on the inner surface where each panel board of the bottom wall joins in a cross shape. The stay mounting base plate, which abuts on each corner across the joining line perpendicular to the shape, is fastened with a lining bolt that penetrates the panel plate and protrudes outward, and a mounting nut that is applied to the outside surface of the panel plate. The bottom wall is fixed and placed on the pedestal with the upright edge in contact with the pedestal, and the tip of the lining bolt and the pedestal mounting bolt that penetrates from the bottom surface of the pedestal and projects upward are connected with a high connecting nut. and a bottom wall of an assembly type aquarium, characterized in that the height of the high connecting nut is equal to or slightly lower than the distance between the protruding end surface of the lining bolt protruding from the bottom wall and the lower end of the upstanding edge. Fixed structure with pedestal.