JPH0747560Y2 - Seat connecting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a seat connecting device for connecting a sheet having a connecting hole to a column or for connecting sheets to each other.

(Prior Art) FIG. 10 is a perspective view showing a state in which a seat is attached to a scaffold at a construction site. That is, in the figure, reference numeral 1 denotes columns, on which the iron plate 2 is supported and laterally bridged to form a scaffold. Further, in the figure, 3 indicates a seat, and these seats 3 are attached to the column 1. That is, the connection holes 4 are provided at the ends of each sheet 3 at equal intervals by means of a ring member. Then, short ropes (strings) (not shown) are respectively passed through these connecting holes 4, each rope is tied to the support column 1, and the connecting holes 4 and 4 of the adjacent seats 3 are tied by the ropes, so that the sheet 3 Is attached to the column 1,
And the sheets 3 are connected to each other.

(Problems to be solved by the invention) However, when ropes are used for attaching the seats 3 and connecting the seats 3 to each other as described above, it takes a lot of time and labor to tie the ropes, and Similarly, the removal work also requires a great deal of time and effort. And, in particular,
In winter, the worker's fingers freeze, which further reduces workability and compels the worker to perform difficult work.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a seat connecting device capable of easily connecting and attaching a seat to a column.

Another object of the present invention is to provide a seat connecting device that can easily connect seats to each other.

(Means for Solving the Problem) The present invention is that the head of a separate insert is detachably attached to the connecting hole of the seat, and is fitted to the peripheral surface of the support by using the opening and closing type fastening metal fitting. It is characterized in that the insertion locking portion of the insertion body is inserted into and locked in the mounting portion of the fixed support body for fixing, and the locking of the insertion locking portion is released by the locking release member.

In addition, the present invention removably attaches the heads of the separate inserts to the connecting holes of the adjacent seats, and inserts and locks the inserts of the inserts to the pair of mounting parts of the connecting part body. Is inserted and locked, and the locking of the insertion locking portion is released by the locking release member.

(Operation) The insertion locking portion of the insertion body is removably inserted into the mounting portion of the column fixing body through the locking release member and locked. Therefore,
The seat can be attached to or removed from the column with one touch.

Further, the insertion locking portion of the insertion body is removably inserted into the mounting portion of the connecting portion main body through the locking release member and locked. Therefore, the sheets can be connected to each other with one touch and the connection can be released.

Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a perspective view of a column fixing body 10 which constitutes the seat connecting device of the present invention. The support body 10 is made of plastic and has an arc-shaped fitting portion 11 and mounting portions 12 and 12 integrally provided at both ends of the fitting portion 11. As shown in FIGS. 1 and 2, each mounting portion 12 is provided with a rectangular opening 13 and a through hole 14 on the upper surface and the lower surface, respectively. In addition, an insertion hole 15 having a rectangular cross section that is open at one side is provided at the upper and lower positions of each mounting portion 12. The insertion hole 15 communicates with the through hole 14 and the opening 13, and the extension portion 16a of the unlocking member 16 is inserted therein. This extension 16a
A projection 16b is provided on the projection 16b, and the projection 16b is fitted into the through hole 14. Therefore, the extension portion 16a of the unlocking member 16 is inserted into the insertion hole 1
It is prevented from getting out of 5 or more. The unlocking member 16 has the opening 1
It has a projecting portion 17 projecting into the mounting portion 12 via 3.

The mounting portion 12 has a hollow portion 18 which is open on one side, and the hollow portion 18 communicates with the opening 13. A locked portion 19 is provided at the upper and lower positions of the hollow portion 18, and the partition walls 20, 20 are provided at the center thereof.
Is provided. A fixing portion 21 is integrally formed with each mounting portion 12. A concave groove 22 is formed on the outer side surface of the fixed portion 21 along the vertical direction, and a stopper 21a made of a protrusion is provided on the upper surface thereof. As shown in FIG. 4 and FIG. 6, each recessed groove 22 has a U-shaped metal fitting of an opening / closing type tightening metal fitting 23.
23a and 23b are engaged. Retractable tightening bracket 23 is each bracket 2
3a, 23b has a main body metal fitting 23c pivotally supported at both ends. When the main body metal fitting 23c is lifted in the direction of the arrow as shown in FIG. When it is disengaged from 22 and its tightening is released, or when it is pushed down as shown in the drawing, the metal fitting 23b engages with the concave groove 22, and the strut 1 is tightened. A fitting surface 21b is formed inside the fixed portion 21 so as to be fitted to the peripheral surface of the column 1.

On the other hand, the plug-in body 24 mounted on the mounting portion 12 is made of plastic and has a large-diameter head 25 as shown in FIGS. 2 and 3. The head portion 25 is divided into four pieces, and the divided pieces are separated from each other so that the diameter can be reduced. Also, insert 24
Has a U-shaped insertion locking portion 26 and a central insertion portion 27,
Locking pieces 26a that are bulged at both ends of the insertion locking portion 26
Is provided.

In the seat connecting device having the above-described configuration, the column fixing body 10 is fixed to the column 1. That is, as shown in FIGS. 4 to 6, the fitting portion 11 and the fixing portion of the support body 10 are fixed.
The fitting surface 21b of 21 is fitted to the peripheral surface of the pillar 1, and the main body metal fitting 23c is pushed down to fix the pillar fixing body 10 to the pillar 1 with the opening and closing type tightening metal fitting 23. In this case, since the stopper 21a is provided on the upper surface of the fixing portion 21, the metal fittings 23a and 23b do not come off, so that the column fixing body 10 can be reliably fixed to the column.

Next, the head 25 of the insert 24 is reduced in diameter and inserted into the connecting hole 4 of the sheet 3. By this insertion, the head portion 25 expands in diameter and returns to the original diameter, so that the head portion 25 does not come off from the connecting hole 4.

After that, the inserts 24 are attached to the attaching portions 12 and 12 of the column fixing body 10, respectively. That is, as shown in FIG. 2, the insertion locking portion
26 into the hollow portion 18 and insert the insertion portion 27 into the partition walls 20, 20
Insert in between. By this insertion, the locking pieces 26a and 26a are locked to the tips of the locked portions 19 and 19, so that the insert 24 is attached to the mounting portion 12.
(Prop fixed body 10) does not come out. Therefore, by using a plurality of seat connecting devices of the present invention, the seat 3 can be connected and held to the column 1 with one touch.

When removing the seat 3, the protrusion of the unlocking member 16
17 is pushed into the hollow portion 18, the locking pieces 26a, 26a are pressed to release it from the locked portions 19, 19, and the insertion body 24 is pulled out from the mounting portion 12. Then, the diameter of the head 25 is reduced and pulled out from the connecting hole 4, and at the same time, the tightening of the opening / closing type fastening fitting 23 is released to remove the support fixture 10 from the support 1.

FIG. 7 shows a connecting portion main body 28 of a seat connecting device of another invention. The connecting portion main body 28 includes a pair of mounting portions 12, 12.
Have a structure in which they are joined at the joint portion 29. The other parts have the same configuration as that of FIG. 1, and thus the description thereof is omitted. In this usage mode, the connection holes 4 and 4 of the adjacent sheets 3 and 3 are used.
The head 25 of the insert 24 is inserted in the same manner as described above, and the inserts 24 are attached to the attaching portions 12 and 12. As a result, the adjacent sheets 3, 3 can be connected with one touch.

FIG. 8 is a perspective view of another insert 24 according to the present invention. The head portion 25 of the plug-in body 24 is composed of branch portions 30A and 30B that are branched into a substantially U shape, and these branch portions 30A and 30B are inserted as shown in FIG. 8 and FIG. A hole 31 is provided.
The insert 24 has a wedge member 32 for preventing the branch portions 30A and 30B from coming off. The wedge member 32 is formed in a U-shape, and divided wedge pieces 32a, 32a that are divided into two are provided at both ends. Since the other structure of the plug-in body 24 is the same as the structure shown in FIG. 2, the same parts are designated by the same reference numerals and the description thereof will be omitted.

This insert 24 is used when the diameter of the connecting hole 4 is as small as 6 mm, for example. That is, only one branch portion 30A is inserted into the connecting hole 4, and the seat 3 is interposed between the branch portions 30A and 30B.
As shown in FIG. 9, the divided wedge pieces 32a and 32a of the wedge member 32 are inserted into the insertion holes 31 and 31 with the end portions thereof positioned. As a result, the tip bulges of the split wedge pieces 32a, 32a are locked in the recesses of the insertion hole 31, so that the insert 24 can be attached to the seat 3.

Thereafter, as in the case described above, the insertion body 24 is attached to the support fixture 10 shown in FIG. 2 or 7 or the mounting portion 1 of the connecting portion body 28.
Attach to 2 and 12, respectively.

In the above embodiment, the seat connecting device is the seat 3 at the construction site,
Although it is used for connection of 3, it is also possible to use a sheet forming a tent or a sheet having a net portion in the center, in short, connecting and supporting sheet-like objects having a connecting hole 4. Can be used for.

(Advantages of the Invention) As described above, according to the present invention, it is possible to provide a seat connecting device that can connect a seat to a column or one sheet to another with good workability.
Therefore, there is an advantage that an operator can easily attach the seat in a short time.

[Brief description of drawings]

1 and 2 are a perspective view of a support body for a support according to the present invention and a sectional view showing a state in which the insert body is mounted, and FIG. 3 is a front view showing the insert body of the present invention in relation to a seat. , Figures 4 to 6
FIG. 7 is a front view, a side view and a plan view showing a state in which a seat connecting device according to the present invention is fixed to a column, and FIG. 7 is a perspective view showing a connecting portion main body of a seat connecting device according to another invention, and FIG. And FIG. 9 is a perspective view and a partial sectional view of an insertion member according to another embodiment of the present invention, and FIG. 10 is a perspective view showing a state where the seat is attached to the column. 1 ... Brace, 3 ... Seat, 4 ... Coupling hole, 10 ... Brace fixing body, 12 ... Mounting part, 16 ... Lock release member, 21 ... Fixing part, 23 ... Fastening tool, 24: Insert, 26: Insert locking part.

Continuation of the front page (56) References Microfilm (JP, U), which is a photograph of the contents of the specifications and drawings attached to the application for Japanese Patent Application No. 62-66448 (No. 63-173456) Microfilm (JP, U) Jpn. Pat. Appl. ) A microfilm (JP, U) of the contents and drawings attached to the application

Claims (2)

[Scope of utility model registration request] 1. A device for connecting a sheet having a connecting hole at an end thereof to a support column, wherein a head part detachably attached to the connecting hole is integrally formed and has a separate locking portion. A body, a column fixing body fitted to the peripheral surface of the column and fixed by an opening and closing type fastening fitting, and a column fixing body having a mounting section for inserting and locking the insertion locking section so that the insertion locking section can be inserted and removed. And a lock releasing member which is provided in the lock releasing member and which releases the lock of the insertion locking portion. 2. An apparatus for interconnecting sheets having connecting holes at their ends, wherein a head part detachably attached to said connecting holes is integrally formed and has an insertion locking portion. A body, a connecting portion body having a pair of mounting portions into which the insertion locking portion is insertably and removably locked, and a locking release that unlocks the insertion locking portion provided on the mounting portion A seat connecting device comprising: a member.