JPH0636167Y2 - Folding scaffolding - Google Patents

Description

[Detailed Description of the Invention] <Industrial application field> The present invention relates to a scaffolding table for interior construction work, etc., and in particular, it is possible to fold a frame body having a plurality of heights, and to reduce the bulk of the frame body to stack the scaffolding body The present invention relates to a folding scaffolding base that is convenient for transportation, storage, and the like.

<Prior Art> Generally, this type of scaffolding plate is one in which a horizontal rail is attached to a vertical frame via a clamp metal fitting, and the scaffolding base is fixed on the horizontal rail. Since it is firmly fixed, there is a problem that its construction is complicated and it takes time to assemble and disassemble.

In addition, some folding scaffolds of this type have a constant height, and their lateral width is folded to reduce the bulk.

Further, as a folding type scaffolding base, Japanese Utility Model Laid-Open No. Sho 63-106543, which was previously proposed by the present applicant, is a single-stage frame body, and such a frame body has a constant height in interior work. There was a problem that there was a restriction in height.

Therefore, there is a problem that it is not suitable for interior work with a certain height or more.

<Problems to be solved by the invention> The present invention has been made to solve these problems, and it is extremely easy to assemble and fold it, and since a plurality of stages of frame bodies are stacked, a certain height or more is required. The object is to provide a foldable scaffolding base that can be extended and does not require a separate scaffolding base for interior work.

<Means for Solving the Problems> In order to achieve the above-mentioned object, the present invention is a scaffolding base in which a plurality of stages of frame bodies are foldable, and a scaffolding base between a foundation frame body and an upper stage frame body is provided. X-shaped support frames that are slidable are connected to one of the two opposite sides, one end of each support frame is axially fixed to the base frame and its upper frame, and the other end is the upper frame. In addition, each of the two opposite sides is slidably connected to the base frame, and the other two opposite sides can be raised and lowered on the base frame by axially locking the lower part to the base frame, and the upper part is engaged with the upper frame. The members are connected by a ladder step that is detachably attached and fixed by members, and a plurality of frame elements are stacked so as to be sequentially foldable upward by the same support frame and ladder steps.

<Embodiment> An embodiment of the present invention will be described below with reference to FIGS. 1 to 6 of the accompanying drawings.

In FIGS. 1 and 2, the folding scaffolding platform 1 is shown in an expanded state, and has a plurality of stages on the base frame A, and in the figures, the frame is a first stage B, a second stage C, and a third stage D. , The four-stage frame body of the fourth stage E, and the worker rides on the scaffolding plate F placed on the lower frame body of the fourth stage E to perform the work.

A supporting frame body which is slidable between the two opposing sides 2 and 2 of the base frame A and the opposing two sides 3 and 3 of the upper stage B thereof.
b ₁ and b ₂ are connected in an X shape, one end of each of the support frames b ₁ and b ₂ is axially attached 2 ′, 3 ′ to one end of the sides 2 and 3, and the other ends of the support frames b ₁ and b ₂ are attached to the sides 2 and 3 respectively. 2 "and 3" are slidably attached to each.

Further, b ₃ is a spring provided above the side 2 and provided between the support frames b ₁ and b ₂ .

Further, on the inside of the support frame b ₂ as shown in the side view of FIG. 2 X
A reinforcing frame b ₄ is provided in the shape of a circle, and a ladder step 7 is provided on the side surface.

Although the above is the configuration of the first stage B, the second stage C and the third stage D have the same configuration as the first stage B.

That is, in both the second stage C and the third stage D, one opposing two sides 3, 3 and 4, 4 and one opposing two sides 4, 4 and 5 of each upper stage,
5, the supporting frames c ₁ , c ₂ , d ₁ and d ₂ which are slidable between them are connected to each other in an X shape, and one end of each of the supporting frames c ₁ , c ₂ , d ₁ and d ₂ Is axially attached 3 ', 4', 5'to one end of the sides 3, 4, 5 and the other ends are slidably attached to the sides 3, 4, 5 respectively 3 ", 4",
5 ".

Also, c ₃ and d ₃ are above the sides 3 and 4, between the support frames c ₁ and c ₂ , and d ₁ and d ₂
It is a spring provided between them.

In the illustrated embodiment, the first to third stages B to D are shown, but the same configuration can be used in multiple stages.

In the fourth stage E, which is the upper stage of the third stage D, the scaffolding plate F is placed between the sides 5 and 5 of the third stage D, and the worker stands on this scaffolding plate F to work. .

Similarly, in the fourth stage D, the supporting frames e ₁ , e ₂ are provided between the sides 5, 5 and 6, 6.
Are connected to each other in an X shape, one end of each of the supporting frames e ₁ and e ₂ is axially attached to the sides 5 and 6 5 ′ and 6 ′, and the other ends thereof are slidably attached to the sides 5 and 6, respectively. They are 5 "and 6".

In contrast to these FIG. 1, FIG. 2 is a side view of FIG. 1 as viewed from the left side, and ladder stages 7, 8 and 9 are provided in each stage.

Of these ladder steps 7, 8, 9 ladder steps 7 and 8 are sides 2 and 3.
The lower ends of the projecting pieces 12 and 13 projecting from the shafts are axially attached respectively, and the upper ends of the projecting pieces 12 and 13 are detachably fixed to the sides 3 or 4 by a engaging member 16 composed of an engaging ring 14 and a frame stopper 15. Is configured.

Further, the ladder step 9 of the third step D has its upper end fixed to the side 5 and its lower end is free, and is constructed so as to be detachably fixed by the hooks 17 as shown in FIGS. 4 and 5. ing.

That is, as shown in FIGS. 4 and 5, the hook 17 has the protruding piece 18 on the side 4.
And the other end is connected with both hook metal fittings 17, 17 by a frame 19 at the other end, and a hook hole 20 is provided.
The lower horizontal rail 21 of the ladder step 9 is detachably engaged with the retaining hole 20.

In order to hold this engagement, the engagement holes 20 of the protrusions 18 and the metal fittings 17 are held.
A spring 22 is stretched near it.

Further, when removing the horizontal rail 21 from the engaging hole 20, if the ladder step 9 is pulled up a little in FIG. 5, the engaging tool 17 rotates in the arrow direction around the shaft 23 against the spring 22. Then, the horizontal rail 21 is removed from the engaging hole 20. Reference numeral 24 in the drawing denotes a reinforcing connecting rod of each supporting frame.

Next, as shown in FIG. 6, in order to fold the scaffolding base of FIG. 1, first descend to the ground, remove the hooking members 16 on both upper sides of the first step B, and attach the ladder step 7 to the lower end shaft attachment 12. And fold inwardly through each other, then slide the support frames b ₁ and b _{2 on} sides 2 and 3 slidably attached to the left side against the spring b ₃ , And slide it to the position of the shaft attachment 3'of c _{2 on} the side 3.

Also in this case, the slidably mounted 2 ″ and 3 ″ are gently slid by the spring b _{3 and} are folded as shown in the lower part of FIG.

Next, in the same way as the first stage B, the second stage C also removes the engaging members 16 on both upper sides of FIG. 1 and folds the ladder stages 8 inwardly via the lower end shaft attachments 13, respectively. 4 support members c ₁ , c
Mounted _second slidably 3 ", 4" against the spring c ₃ slides to the right, refer sliding to the position of the shaft attachment 4 d ₂ sides 4 ". In this case also the sliding freely 3 attached ", 4" gently slid by the spring c _3, is folded in the first stage on B to as the Figure 6.

Next, to fold the third step D, first remove the lower ends of the ladder steps 9 on both sides from the hooks 17, leave the lower ends free, and then slide the support members d ₁ and d _{2 on} the sides 4 and 5. 4 were freely mounted ", 5" slid to the left in Figure 1 against the spring d ₃ and refers sliding to the position of the shaft attachment 5 of e ₁ side 5 '. In this case 4 slidably mounted also ", 5" gently slid by the spring d _3, is folded on the second stage C as Figure 6.

Similarly, in the uppermost stage E, the reinforcing frame 10 is removed and the side 5
5 "with slidably mounted support members e ₁ and e ₂ in 6 and 6,
6 ″ It is slid to the right in FIG. 1 to the position of the shaft attachment 5 ′ of d _{2 on} the side 5 and folded to the uppermost portion as shown in FIG.

<Effect of Device> As described above, according to this device, the assembling and folding is extremely easy, and since a plurality of stages of frame bodies are stacked, it can be extended to a certain height or more and a separate scaffolding stand is prepared for interior work. It has various effects such as no need. Also, since the ladder step is folded on the base frame and the upper frame is folded while being guided by the support frame,
When folded, all of the constituent members are accommodated within the planar shape of the basic frame body, and there is no portion protruding outside the basic frame body, so that a compact folded state in plan view can be obtained.

[Brief description of drawings]

FIG. 1 is a front view of the folding scaffolding of the present invention extended, FIG. 2 is a side view of the same, and FIG. 3 is a second step C of FIG.
FIG. 4 is a perspective view showing a partial cutout of FIG. 4, FIG. 4 is a perspective view showing an essential part of the third step D, FIG. 5 is a front view of an essential part of FIG. 4, and FIG. 6 is a front view showing a folded state. . A ... Foundation frame B, C, D, E ... Each stage b ₁ , b ₂ , c ₁ , c ₂ ,, d ₁ , d ₂ , e ₁ , e ₂ ... Support frame b ₃ , c ₃ , d ₃ … Spring 7, 8, 9… Ladder step 16… Engagement member 17… Engagement bracket

 ─────────────────────────────────────────────────── ───Continued from the front page (56) References Micro film (JP, U ) A microfilm (JP, U) obtained by photographing the contents of the description and drawings attached to the application of Japanese Utility Model Application No. 58-72677 (Japanese Utility Model Application No. 59-177644).

Claims (1)

[Scope of utility model registration request] 1. A scaffolding base in which a plurality of stages of frame bodies are foldable, and a support frame body which is slidable on one opposing two sides between a base frame body and an upper stage frame body thereof. X-shaped connection, one end of each support frame is axially fixed to the base frame and the upper frame, and the other end is slidably connected to the upper frame and the base frame, respectively, and On the other two sides facing each other, the lower part is fixed to the base frame body so that it can be raised and lowered freely on the base frame body, and the upper part is attached and fixed by the engaging member of the upper frame body so that it can be detachably attached. A foldable scaffolding base characterized in that a plurality of tiers of frames are connected to each other and are sequentially foldable upward by a similar support frame and ladder steps.