JPH08326327A - Connector - Google Patents

Abstract

PURPOSE: To provide a connector for connecting sheets and for fixing the sheets to a support of a scaffold in a construction field, with which all work required for the removal thereof can be easily and safely performed from the support side at the time of removing the connector from the sheets. CONSTITUTION: Shaft parts 3, 4 are provided in a band 1 through a connection part 5. The shaft parts 3, 4 are provided with hooking projections 6, 7 provided with hinge parts 65, 75, and arms 68, 78 extended from the hooking projections 6, 7 toward the support B side, and pushing operation parts 69, 79 in the tip of the arms 68, 78. When the pushing operation parts 69, 79 are pushed, the hooking projections 6, 7 are moved forward and backward in relation to the shaft parts 3, 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention connects sheet-like objects or plate-like objects used in various fields such as construction, civil engineering, and fisheries, and supports the sheet-like objects or plate-like objects thus connected together. The present invention relates to a connecting tool used when connecting to, for example.

[0002]

2. Description of the Related Art Conventionally, when connecting a sheet for preventing danger provided around a scaffold at a construction site, when connecting two sheets laterally adjacent to each other to a column, It was done by hand to pass a string through the eyelet metal fittings provided on each sheet and tie the string around the column, but this work is not only troublesome and poor in workability, , The knot of the string may be loosened or unraveled naturally, and the connection reliability is poor.

Therefore, a connecting tool has been developed which can connect two sheets without using a string and can connect the two connected sheets to a column.

An example of the structure of this connector is shown in FIG. The connector shown in the same figure has a band 1 made of synthetic resin, which is held in a substantially circular arc shape, and has a connecting mechanism 2 which can be engaged and disengaged with each other at both ends in the longitudinal direction thereof. The band 1 integrally extends from the central portion of the connecting portion 5 extending therebetween. Further, hooking projections 6 and 7 are provided on the respective shaft portions 3 and 4. As shown in FIG. 6, the latching protrusion 7 has a substantially right-angled triangular cross-sectional shape, and one end of the inclined surface 71 is connected to the shaft portion 4 by the hinge portion 75, and the elasticity of the hinge portion 75 is obtained. Is always urged toward the projecting position side, which projects laterally of the shaft portion 7. Then, when the latching protrusion 7 is located at the projecting position, the latching surface 72 provided on the latching protrusion 7 is perpendicular to the axis C of the shaft portion 4. Further, the hooking protrusion 7 is located at the retracted position in which the latch projection 7 is retracted into the hole 41 formed in the shaft portion 4 against the elasticity of the hinge 75 and is closer to the axis C side of the shaft portion 4. You can do it. The same applies to the hooking protrusions 6 provided on the other shaft portions 3, 61 is the slope thereof, 65 is the hinge portion, and 6 is the hinge portion.
2 is a hooking surface, and 31 is a hole for the shaft 3. The shafts 3 and 4 can be inserted into a hole 300 provided in a sheet or a plate as a member to be connected, which will be described later. The connecting portion 5, the shaft portions 3 and 4, the hooking protrusions 6 and 7, and the hinge portions 65 and 75 described above are integrally formed of synthetic resin.

Two sheets S1 and S are formed by using the above-mentioned connecting tool.
When the sheet S and the sheet 2 are connected to each other, as shown in FIG.
The shaft portions 3 and 4 are inserted into the hole portions 300 and 300 of S1 and S2, respectively, and the latching surfaces 62 and 72 of the latching projections 6 and 7 face the sheets S1 and S2, and the holes of the shaft portions 3 and 4 are opposite. Part 300,
Prevents you from getting out of 300. As shown in FIG. 6, when the shaft portion 4 is inserted into the hole portion 300 of the sheet S2, the shaft portion 4
In the middle of inserting, the latching protrusion 7 protruding to the side of the shaft portion 4 is pushed by the hole edge portion 301 of the hole portion 300 and retracts to the retracted position side like an imaginary line with the hinge portion 75 as a fulcrum, When the hooking protrusion 7 thus retracted passes through the hole portion 300, the hooking protrusion 7 is projected to the protruding position indicated by the solid line by the biasing force of the hinge portion 75, and the hooking surface 72 faces the sheet S2. The shaft portion 4 is prevented from coming out of the hole portion 300. Note that, in FIG. 6, an arrow X indicates a relative movement direction of the sheet S2 with respect to the shaft portion 4 when the shaft portion 4 is inserted into the hole portion 300. The same applies when the other shaft portion 3 is inserted into the hole portion 300.

When the two sheets S1 and S2 thus connected are connected to the support B, the band 1 is connected by the connecting mechanism 2 of the band 1 wound on the support B as shown in FIG. The band 1 is fixed to the column B by connecting both ends of the band 1.

[0007]

The connector described in FIGS. 5 and 6 is detached from the sheets S1 and S2 prior to removing the sheets S1 and S2. Sheet S
To remove the connecting tool from S1 and S2, push the hooking protrusions 6 and 7 with the fingers of the hand to displace them from the projecting position to the retracted position side. Pull out.

However, when the sheets S1 and S2 are connected by the above-mentioned connecting tool and the connecting tool is fixed to the support B, the hooking protrusions 6 and 7 are located on the opposite side of the support B with the sheets S1 and S2 sandwiched therebetween. Therefore, when the pillar B is a scaffolding pillar for construction, the worker pushes the hooking protrusions 6 and 7 from the scaffold side to pull out the shaft portions 3 and 4 from the hole 300 to the pillar B side. However, even if such work can be performed, the worker must put his hand out of the sheets S1 and S2 to perform the work, and the work may be troublesome and the work may be dangerous.

The present invention has been made in view of the above circumstances, and has the basic structure of the connecting tool described with reference to FIGS. 5 and 6 as it is, while connecting the members to be connected such as the sheet and the plate. An object of the present invention is to provide a connecting tool that can easily and safely perform all the work required for removing the connecting tool used for fixing it to a support or the like from the support side.

[0010]

The connector according to the present invention comprises:
A pair of shaft portions that can be inserted into the holes provided in each of the adjacent members to be connected, a connecting portion that extends between the pair of shaft portions, and a fixing member that extends from the connecting portion and that is a pillar or the like. A band to be wound around, a hooking protrusion provided on each of the pair of shaft portions, a hooking protrusion connected to the shaft portion, and the hooking protrusion of the shaft portion laterally protruding from the shaft portion. A hinge part that allows elastic displacement between the retracted position and the retracted position that is closer to the axial center side, and a hinge that constantly urges the latching protrusion toward the protruding position, and extends from the latching protrusion toward the band. And a push-in operation section which is provided on the arm and displaces the hooking protrusion toward the retracted position with the hinge portion as a fulcrum by the push-in operation.

[0011]

In the connector of this construction, when a pair of shafts are individually inserted into the holes of two adjacent members to be connected, the hooks protruding laterally from the shafts during the insertion. The stop projection retreats toward the retracted position around the hinge as a fulcrum and passes through the hole, and then the latching protrusion is pushed out to the protruding position by the urging force of the hinge to prevent the shaft from coming out of the hole. To do. Thereby, the two members to be connected are connected by the pair of shaft portions and the connecting portion extending between them. In the state where the two connected members are connected in this manner, the pushing operation portion is located on the fixed member side of the connected member, so that the pushing operation portion can be pushed from the fixing member side. Then, when the push-in operation portion is pushed in that way, the latching protrusion is displaced toward the retracted position side with the hinge portion as a fulcrum, so that the shaft portion is pulled out from the hole portion of the connected member and the connecting tool is covered. It can be detached from the connecting member. The band is fixed by being wound around a fixing member such as a column.

[0012]

1 shows a connector A according to a first embodiment of the present invention. In this connecting tool A, reference numeral 1 is a band made of synthetic resin which is held in a substantially arc shape, and has connecting mechanisms 2 which can be engaged with and disengaged from each other at both longitudinal ends thereof. The connecting mechanism 2 includes a receiving body 21 provided at one end of the band 1.
And a plug piece 25 that is provided at the other end of the band 1 and that can be inserted into and removed from the receiving body 21. The receiving body 21 is provided with an outer holding piece 22 and an inner holding piece 23 that are formed in a bifurcated shape that face each other in the inner and outer directions, and has a serrated engagement claw group 24 on the inner surface side of the outer holding piece 2. are doing. Also, insert piece 2
5 has a serrated engagement claw group 26 on the outer surface side. Two
7, 28 and 29 are picks.

In the coupling mechanism 2, the band 1 which is retained in the shape of an arc is reduced in diameter to be inserted into the receiving member 21 by the insertion piece 25.
When the plug is inserted, the insertion piece 25 is pinched by the elasticity peculiar to the synthetic resin included in the outer holding piece 22 and the inner holding piece 23 of the receiving body 21, and the engaging claw group 24 of the outer holding piece 22 is clamped. And the engaging claw group 26 of the insertion piece 25 are engaged with each other, and the engagement allows the receiving body 21 and the insertion piece 25 to be reliably connected.

Reference numerals 3 and 4 denote shaft portions, and reference numeral 5 denotes a connecting portion extending between the pair of shaft portions 3 and 4, and the band 1 integrally extends from the central portion of the connecting portion 5. A hooking protrusion 6 is provided on one shaft portion 3, and a hooking protrusion 7 is provided on the other shaft portion 4. As shown in FIG. 3, the hooking protrusion 7 provided on the other shaft portion 4 has a substantially right-angled triangular cross-sectional shape, and one end portion of the inclined surface 71 thereof is hinged by the hinge portion 75.
The hinge portion 75 is constantly urged toward the protruding position side which protrudes laterally of the shaft portion 4 as shown by the solid line in FIG. An arm 78 extends from the hooking protrusion 7 in a direction approaching the band 1, and a pushing operation portion 79 is provided at a tip end portion of the arm 78. The pushing operation portion 79 is taller than the latching projection 7, and the pushing operation thereof can displace the latching projection 7 toward the retracted position with the hinge portion 75 as a fulcrum. The latching protrusion 7, the arm 78, and the push-in operation section 79 are provided with a hinge 75.
It is possible to retreat into the hole 41 formed in the shaft portion 4 against the elasticity of. The same applies to the hooking protrusions 6 provided on one of the shaft portions 3, where 61 is the inclined surface, 65 is the hinge portion,
Reference numeral 68 is an arm, 69 is a pushing operation portion, and 31 is a hole for the shaft portion 3. The shaft portions 3 and 4 can be inserted into a hole portion 300 of an eyelet fitting provided on a member to be connected, which will be described later.

The band 1, the connecting portion 5, the shaft portions 3 and 4, the hooking protrusions 6 and 7, the hinge portions 65 and 75, the arms 68 and 78, and the pushing operation portions 69 and 79 described above are integrally molded of synthetic resin. ing.

Next, referring to FIGS. 2 and 3, a case will be described in which the above-mentioned connecting tool A, in which two building sheets S1 and S2 as connected members are connected, is fixed to the building scaffolding support B. Eyelets are attached to the sheets S1 and S2, and a hole portion of the eyelet is shown by reference numeral 300.

Regarding the connection between the sheets S1 and S2, the eyelet holes 300 attached to the respective sheets S1 and S2,
The shaft portions 3 and 4 are respectively inserted into the shaft 300, and the hooking protrusions 6 and 7 face the sheets S1 and S2 to prevent the shaft portions 3 and 4 from coming out of the holes 300 and 300. Further, as shown in FIG. 3, in the other shaft portion 4, the arm 78 penetrates the hole portion 300 and the pushing operation portion 79 sandwiches the seat S2 and is positioned on the opposite side of the hooking protrusion 7, that is, on the column B side. To do. Although not shown, the same applies to the one shaft portion 3. As a result, the two sheets S1 and S2 are connected to each other by the shaft portions 3 and 4 and the connecting portion 5. The shaft parts 3, 4
Since the action of the hooking protrusion 6 when inserting into the holes 300, 300 is the same as that described in FIG. 6, the description thereof will be omitted here.

Further, the band 1 is wound around the support B,
In addition, the engaging claw group 24 on the receiving body 21 side of the coupling mechanism 2 and the engaging claw group 26 on the inserting piece 25 side inserted into the receiving body 21 are meshed with each other and coupled, whereby the band 1
Is fixed in a state of being wrapped around the support B. Therefore, the two sheets S1 and S2 are connected to the column B.

When the connecting tool A is to be removed from the seats S1 and S2, the operator pushes the push-in operation portions 69 and 79 on the scaffold on the side of the support B with the fingers of the hand as shown by the arrow P in FIG. By doing this, as shown by the phantom line in the figure,
Since the latching protrusions 61, 71 are displaced toward the retracted positions with the hinges 65, 75 as fulcrums, the shafts 3, 4 are pulled out from the holes 300, 300 of the sheets S1, S2, and the connecting tool is attached to the sheet S1. , S2 can be removed.

FIG. 4 shows a connector A according to a second embodiment of the present invention.
Is shown. This connecting tool A differs from that of the first embodiment in that the connecting portion 5, the shaft portions 3, 4, the hooking protrusions 6,
7, the hinge portions 65 and 75, the arms 68 and 78, and the push-in operation portions 69 and 79 are integrally formed of synthetic resin, whereas only the band 1 is separately formed of synthetic resin,
The only difference is that these two molded bodies are connected by a pin member 9 so as to be rotatable relative to each other. Since the other parts have the same structure, the same parts are designated by the same reference numerals and detailed description of the structure is omitted.

According to this connecting tool A, the same operation as that of the above-mentioned first embodiment is exhibited. In particular, according to the connecting tool A, the band 1 is rotated by rotating the band 1 with respect to the connecting portion 5 even when the column (not shown) is inclined.
There is the convenience that the posture of can be adjusted to the posture of the column. In the connector of the present invention, the band 1 may have a configuration other than that shown.

[0022]

According to the present invention, the connecting members can be connected by simply inserting the pair of shafts into the holes of the two connected members adjacent to each other, and the band can be fixed to the fixing member. Can be wrapped and fixed. Moreover, after the connection, the hooking protrusions provided on each of the pair of shafts not only have the effect of preventing the connected member from coming off, thereby improving the connection reliability, but also the work of removing the connected member from the connected member. There is an effect that the fixing member side can be easily and safely performed.

The connecting tool of the present invention can be used not only for the applications described in the embodiments but also for connecting various sheet materials such as a civil protection sheet and plate materials.

[Brief description of drawings]

FIG. 1 is a plan view of a connector according to a first embodiment of the present invention.

FIG. 2 is a partially cutaway plan view showing a use state of the connector according to the first embodiment.

3 is an enlarged cross-sectional view taken along the line III-III in FIG.

FIG. 4 is a plan view of a connector according to a second embodiment of the present invention.

FIG. 5 is a partially cutaway plan view showing a conventional connecting tool in use.

6 is an enlarged cross-sectional view taken along line VI-VI of FIG.

[Explanation of symbols]

 A connection tool B support (fixing member) S1, S2 seat (connection target member) 1 band 3,4 shaft part 5 connection part 6,7 latching protrusion 65,75 hinge part 68,78 arm 69,79 push-in operation part 300 Hole

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazushi Yasuhara 766 Anshi, Antomi-cho, Shishiwa-gun, Hyogo Prefecture Tyton Co., Ltd. Hyogo Factory

Claims (1)

[Claims] 1. A pair of shaft parts that can be inserted into holes provided in adjacent members to be connected, a connecting part that extends between the pair of shaft parts, and a pillar that extends from this connecting part. A band wound around a fixing member such as, a hooking protrusion provided on each of the pair of shaft portions, a hooking protrusion that is connected to the shaft portion, and the hooking protrusion protrudes to the side of the shaft portion and its protrusion. From the position to the retracted position that is closer to the shaft center side of the shaft portion, and the hinge portion that constantly urges the latching protrusion toward the protruding position and elastically displaces from the latching protrusion to the band. And a push-in operation section provided on the arm extended in the approaching direction and displacing the latching protrusion toward the retracted position with the hinge section as a fulcrum by the push-in operation. Ingredient