JPH08128208A - Installation fitting for protecting sheet for scaffolding and sheet joining fitting - Google Patents

Abstract

PURPOSE: To facilitate the installation and demounting of a protecting sheet and surely maintain the installation state. CONSTITUTION: An installation fitting A is constituted of a semicircular-ring shaped body frame 6 and a tightening fitting 7 consisting of a rubber band. The body frame 6 is inserted into the left and right contiguous eyelet metal fittings 14 and 14. The body frame 6 in this state is externally attached with a scaffolding pipe 2, and the tightening fitting 7 is laid on the first and the second hooking parts 8 and 9 at both the ends of the body frame 6, which is fixed on the scaffolding frame.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture for attaching a protective sheet to a temporary scaffold, and a seat joint for the same.

[0002]

2. Description of the Related Art There have already been some proposals for this type of device. The seat mounting tool disclosed in Japanese Utility Model Laid-Open No. 3-48052 is a plastic molded product integrally formed with a band wound around a scaffolding pipe and an arrow-shaped hooking protrusion projecting on the outer surface of the band. The protective sheet is fixed to the scaffolding pipe by inserting the hook into the hooking projection from the tip end side and hooking it. A similar seat attachment is also found in Japanese Utility Model Laid-Open No. 4-119048. Furthermore, a seat mounting tool having a plurality of latching pins corresponding to the above-mentioned latching protrusions is provided on the outer surface of the clamp metal fitting for the scaffolding pipe.
It is known in Japanese Patent No. 50159 and Japanese Utility Model Laid-Open No. 5-75345.

[0003]

As described above, the seat mounting device having the hooking projection on the outer surface of the band has the eyelet-shaped hooking projection in which the eyelet fitting is inserted and hooked so that the fitting can be easily carried out. Takes a lot of work. Although the removal operation can be facilitated by reducing the amount of overhanging of the hooking piece provided on the hooking protrusion, the eyelet fittings may come off from the hooking protrusion when there is a strong wind or when the seat surface leans against the seat surface. is there.

A seat mounting tool using a clamp metal fitting is
The purchase cost per piece is high, and it is necessary to temporarily fix the clamp metal fittings to the scaffolding pipe and hook the eyelet metal fittings to the hooking pins, then adjust the position to fix them permanently, which requires time and effort for installation work. . The hook protrusions and hook pins, including the aforementioned band-type seat fixture, project to the outer surface of the protective sheet.Therefore, when removing the protective sheet, it is necessary to project your hands or body to the outer surface of the sheet and remove the eyelet fittings. However, there is also a disadvantage that the protective sheet is an obstacle and it is difficult to work.

An object of the present invention is to provide a scaffolding pipe with a protective sheet which can be easily attached to and detached from the scaffolding pipe, and which is capable of reliably maintaining the attached state even if the protective sheet is blown by wind. To provide a fixture for the protective sheet. An object of the present invention is to provide a fixture which has a simple structure, requires little manufacturing cost, and can be easily introduced and used.

An object of the present invention is to provide a fixture which can surely fix the protective sheet to the scaffolding pipe and can be easily attached to and detached from the scaffolding pipe on the inner surface side of the seat. An object of the present invention is to provide a sheet joining tool for a scaffolding protective sheet that can quickly join the free ends of vertically adjacent protective sheets.

[0007]

DISCLOSURE OF THE INVENTION The present invention is a fixture A for attaching protective sheets 5, 5 adjacent to each other to a scaffolding pipe 2 in a vertical direction, which is a scaffolding pipe as shown in FIGS. 1 to 4. 2, the main body frame 6 that is bent along the outer peripheral surface and is inserted into the eyelet fittings 14, 14 of the adjacent protective sheets 5, 5;
It is characterized in that it is constituted by a stretchable fastener 7 which is hung between the second hooking portions 8 and 9 and externally fixes the main body frame 6 to the scaffolding pipe 2.

Specifically, as shown in FIG. 1, first and second
The fixture A is composed of a main body frame 6 made of a plastic molded product in which the latching portions 8 and 9 are integrally formed, and a rubber fastener 7 connected to one first latching portion 8 of the body frame 6. . Body frame 6
Is formed in a partial arc shape along the outer peripheral surface of the scaffold pipe 2.
Alternatively, as shown in FIGS. 5 and 6, the attachment A has a body frame 6 made of a metal spring material in which the first and second hook portions 8 and 9 are integrally bent, and one first hook of the body frame 6. The fastener 7 is composed of a rubber band connected to the stopper 8. The body frame 6 is formed into a C-shaped ring.

The sheet joining tool B of the present invention is attached to the scaffolding pipe 2 as shown in FIGS. 9 and 10 and is used to join the free ends of the protective sheets 5 5 which are vertically adjacent to each other. This sheet joining tool B has a pair of pinch bodies 16.1 having a holding arm 19 at one end and an operating arm 20 at the other end.
6, a pin 17 that connects the two pinch bodies 16 and 16 so that they can swing relative to each other, and a spring 18 that biases the pinch bodies 16 and 16 to swing toward the side where the pair of holding arms 19 and 19 approach. There is. A groove 22.2 that engages with the inner edge of the eyelet fitting 14 of the protective sheet 5 on the opposite surface of the holding arm 19 near the free end.
2 are formed respectively.

[0010]

In operation, after the main body frame 6 of the fixture A is inserted through the eyelet fittings 14 and 14 of the left and right protective sheets 5 and 5, the fastener 7 is attached to the pair of first and second hook portions 8 and 9. The main body frame 6 is fixed to the scaffolding pipe 2 by being stretched over the elastic force of the fastener 7. One end of the fastener 7 is previously connected to the first hook 8 of the body frame 6. When removing the protective sheets 5 and 5, the fastener 7 is removed from the other second hook portion 9 and the body frame 6 is pulled out from the eyelet fitting 5. In this way, by simply attaching and detaching the fasteners 7 to and from the body frame 6, it is possible to easily attach and detach the adjacent protective sheets 5, 5. Since the eyelet fittings 14 and 14 are inserted and supported by the main body frame 6 in the seat mounted state, even when strong winds act on the seat surface, the eyelet fittings 14 and 1
4 does not fall out of the body frame 6. The body frame 6 also serves as a member that connects the eyelet fittings 14 and 14.

In the sheet joining tool B of the present invention, the eyelets 14 and 14 of the protective sheets 5 and 5 which are vertically adjacent to each other are simultaneously pinched by the pinching arms 19 and 19 of the pair of pinch bodies 16 and 16,
The peripheral edges of the protective sheets 5 are joined. In the joined state shown in FIG. 10, the eyelet fittings 14 and 14 hold the gripping arms 19 and
In order to prevent getting out of 19, both gripping arms 19 ・ 19
The grooves 22 and 22 are provided on the opposing surfaces of the eyelets so that the inner edges of the eyelet fittings 14 and 14 can be engaged with the grooves 22 and 22, respectively.

[0012]

According to the present invention, a fixture A for a protective sheet is constituted by a body frame 6 which is bent in a C shape and a fastener 7 made of an elastic material such as rubber. The protective sheets 5 and 5 are attached to the scaffolding pipe 2 while being inserted into the metal fittings 14 and 14. Therefore, the work of attaching and detaching the protective sheets 5, 5 can be easily performed only by attaching and detaching the main body frame 6 and the fastener 7. Even when the protective sheet 5.5 is blown by the wind, eyelet fittings 14/1
4 can be reliably prevented from coming off from the fixture A, and the adhered state of the protective sheets 5 can be maintained. Since the main body frame 6 fixed to the scaffolding pipe 2 is used as a connecting member to insert and hold the eyelet fittings 14, 14, the structure of the fixture can be simplified and the cost required for its manufacture can be reduced.

According to the sheet joining tool B of the present invention, the upper and lower protective sheets are simply inserted by inserting the holding arms 19 into the upper and lower eyelet fittings 14 and 14 in the manner of using clothespins. The peripheral edge of 5.5 can be easily and quickly joined, and once joined, the inner edge of the eyelet fittings 14 and 14 can be joined to the groove 2.
It is possible to keep the joined state by engaging with 2.22.

[0014]

【Example】

(First Embodiment) FIGS. 1 to 4 show a first embodiment of a fixture A for a scaffolding protective sheet according to the present invention. In FIG. 2, reference numeral 1 is a scaffold frame assembled in a gate shape, 2 is a vertically long scaffolding pipe constituting the scaffold frame 1, 3 is a scaffold plate, and 4 is a brace for connecting and reinforcing adjacent scaffold frames 1. . A protective sheet 5 is stretched along the outer surface of the scaffold. This protective sheet 5 is fixed to the scaffolding pipe 2 with a large number of fixtures A.

In FIG. 1, the fixture A comprises a body frame 6 made of a plastic molded product and a fastener 7 made of a stretchable rubber molded product. The body frame 6 is formed in the shape of a semicircular ring having a quadrangular cross section, and the hook-shaped first frame is formed on the left and right ends thereof.
-The second hook portions 8 and 9 are integrally formed to be bent outward. The semicircular ring portion of the main body frame 6 has the radius dimension of the inner peripheral surface set to be equal to or slightly larger than the radius dimension of the outer peripheral surface of the scaffolding pipe 2, and the inner surface of the main body frame 6 corresponds to the outer surface of the scaffolding pipe 2. Get in touch.

The fastener 7 is formed in a laterally long band shape and has wide-width portions at both ends, and square-shaped hooking holes 10 are formed in a penetrating manner. The main body frame 6 can be externally fixed to the scaffolding pipe 2 by hooking the hooking holes 10 of the fastener 7 to the hooking portions 8 and 9. In this fixed state, the fastener 7 extends. It deforms and pulls the main body frame 6 and fixes it.

Of the pair of hooks 8 and 9, one end of the fastener 7 is hooked and connected to the first hook 8 on the left side of the drawing so as not to come off, and the other end of the fastener 7 is connected. Is detachably attached to the second hook portion 9 on the right side of the drawing. Therefore, the first hooking portion 8 is formed into a hook shape with an arcuate wall continuous with the inner peripheral surface of the main body frame 6, and the width of the hooking port 11 of the first hooking portion 8 is narrowed so that the fastener 7 is secured. Prevent it from falling out. The second hooking portion 9 is formed in a U-shape by an end portion of the main body frame 6 and a longer arc wall extending along the outer peripheral surface thereof, and the width of the hooking groove 12 of the second hooking portion 9 is made constant.
This is because the fastener 7 can be easily attached and detached.

The fixture A constructed as described above is provided with the protective sheets 5.5 that are adjacent to each other on the left and right on the outer surface of the scaffolding pipe 2.
Is fixed to the scaffolding pipe 2. Specifically, as shown in FIG. 3, the main body frame 6 is sequentially inserted into the eyelet fittings 14 and 14 which are caulked and fixed along the periphery of the protective sheets 5 and 5. At this time, if the first hooking portion 8 having a small width dimension is inserted into the one eyelet fitting 14 first, the insertion work can be performed more easily. After inserting the main body frame 6 into the adjacent eyelet fittings 14 and 14,
As shown in FIG. 4, the main body frame 6 is fitted onto the scaffolding pipe 2 in an externally fitted state. At this time, one hook hole 10 of the fastener 7 is hooked on the first hook portion 8 in advance. Therefore, by extending the fastener 7 while bending it along the peripheral surface of the scaffolding pipe 2, and by hooking the hooking hole 10 at the other end to the second hooking portion 9,
The body frame 6 is fixed to the scaffolding pipe 2.

Thereafter, the protective sheet 5 is similarly attached to the fixture A.
Protective sheet 5 by fixing to scaffolding pipe 2 with
Can be stretched on the outer surface of the scaffold. After that, the sheet attaching work is completed by joining and fixing the peripheral edges of the protective sheets 5 that are vertically adjacent to each other with the sheet joining tool B described later. When removing the protective sheet 5, first, the fastener 7 is removed from the second hook portion 9, and further the main body frame 6 is attached to the eyelet fitting 1.
Although it is pulled out from 4 and 14, a series of operations can be easily performed on the inner surface side without being disturbed by the protective sheet 5.

(Second Embodiment) FIGS. 5 and 6 show a second embodiment of the present invention relating to the fixture A. As shown in FIG. There, the main body frame 6 is formed of a spring steel wire into a C-shaped ring, and the first and second hook portions 8 and 9 are integrally bent at both ends thereof. Also here, the hooking port 11 of the first hooking portion 8 is formed to be narrow. Further, the bending length of the free end portion 9a of the second hooking portion 9 is shortened to facilitate the attachment / detachment of the fastener 7. Fastener 7
Is formed of a band-shaped rubber band, and a hooking hole 10 having a diameter slightly larger than the diameter of the spring wire is provided in each of the plate surfaces near both ends thereof in a penetrating manner.

In the mounting tool A of the second embodiment, the protective sheet 5 can be fixed to the scaffolding pipe 2 in the same manner as in the previous example, but the mounting form shown in FIG. 5 can be adopted. In this case, the body frame 6 is fitted onto the scaffolding pipe 2, and the pair of hook portions 8
After inserting 9 into the eyelet fittings 14 and 14, these hooks 8
The fastener 7 is attached to 9 to attach the protective sheets 5 and 5, and the fastener 7 is attached to the outer surface of the protective sheet 5 and 5.

(Third Embodiment) FIG. 7 shows a third embodiment of the fixture A according to the present invention, in which a bending for opening one first hook portion 8 of the main body frame 6 inwardly. It is different from the first embodiment in that it is formed of a wall.

(Fourth Embodiment) FIG. 8 shows a fourth embodiment of the fixture A according to the present invention, in which the main body frame 6 is formed of a spring wire at one end of a frame 6a made of a plastic molded product. The frame bodies 6b are swingably connected to each other, and each of the frame bodies 6a and 6b
The free ends of the hooks 8 and 9 are integrally formed.

Although the main body frame 6 of the first embodiment is made of an injection molded product, it can be formed by dividing an extruded strip. In this case, aluminum may be used as the forming material. The fastener 7 can be formed by a tension coil spring. It is possible to connect a hook to one end of the fastener 7 made of rubber, and the hook can be detachably hooked to the hook portion 8.

FIGS. 9 and 10 show an embodiment of the sheet joining tool B of the scaffolding protective sheet according to the present invention. The sheet joint tool B includes a pair of pinch bodies 16 and 16 each made of a plastic molded product, a pin 17 that connects the pinch bodies 16 and 16 so that they can swing relative to each other, and both pinch bodies 16 and 16 are closed and shaken freely. It is formed into a large clothespin shape together with the spring 18 which is urged to move.

The pinch body 16 has a holding arm 19 that is gently curved and an operation arm 20 that extends linearly.
A connecting arm 21 is projectingly provided at the protruding base end of 20, and the whole is formed in a three-pronged shape. A groove 22 having a U-shaped cross section is formed on the inner surface of the tip of the holding arm 19. A wide operation knob 23 is integrally formed at the tip of the operation arm 20, and a knurled groove-like slip stopper 24 is formed on the outer surface thereof. The spring 18 is formed by crimping a wire material made of spring steel into a C-shape, and in order to incorporate this, an escape groove 25 is provided in the operation arm 20, and the holding arm 1 is further provided.
A hole 26 for fitting the end portion of the spring 18 is formed in the outer peripheral surface of 9. The pair of pinch bodies 16 and 16 are arranged such that the grooves 22 face each other, and the connecting arms 21 and 21 are overlapped in the front and rear.
Are connected with a pin 17.

In the seat joint B, as shown in FIG. 10, the operating knobs 23, 23 are swung toward and away from the spring 18, and the opened holding arms 19, 19 are attached to the eyelet fittings 14 vertically adjacent to each other. Hang it and use it. At this time, each groove 22 is engaged with the inner edge of the eyelet fitting 14 to prevent the eyelet fitting 14 from coming off from the holding arm 19. In the sandwiched state, the pair of sandwiched arms 19, 19 are substantially parallel to each other, which also helps prevent the eyelet fittings 14 from coming out.

[Brief description of drawings]

FIG. 1 is a perspective view of a fixture according to a first embodiment.

FIG. 2 is a perspective view of a scaffold.

FIG. 3 is a cross-sectional plan view showing an intermediate state of use of the fixture of the first embodiment.

FIG. 4 is a cross-sectional plan view showing how the protective sheet is attached by the attachment of the first embodiment.

FIG. 5 is a plan view of the fixture of the second embodiment.

6 is a view taken along the line CC in FIG.

FIG. 7 is a plan view showing a fixture of the third embodiment.

FIG. 8 is a plan view showing a fixture of the fourth embodiment.

FIG. 9 is a front view of the sheet joining tool.

FIG. 10 is a front view showing a usage state of the sheet joining tool.

[Explanation of symbols]

 2 Scaffolding pipe 5 Protective sheet 6 Body frame 7 Fasteners 8 1st hooking part 9 2nd hooking part 14 Eyelet metal fittings A fittings B seat joints

Claims (4)

[Claims] 1. A fixture A for attaching left and right adjacent protective sheets 5 to a scaffold pipe 2 in the vertical direction, wherein the fixture A bends along the outer peripheral surface of the scaffold pipe 2,
A main body frame 6 that is inserted into the eyelet fittings 14 of the adjacent protective sheets 5 and a pair of first and second hooking portions 8 and 9 provided at both ends of the main body frame 6.
An attachment device for a scaffolding protective sheet, characterized in that the attachment device comprises a stretchable fastener 7 which is hung between the two and externally fixes the main body frame 6 to the scaffolding pipe 2. 2. A body frame 6 in which the fixture A is a plastic molded product in which first and second hook portions 8 and 9 are integrally formed.
And a fastener 7 made of rubber connected to one of the first hook portions 8 of the main body frame 6, and the main body frame 6 is formed in a partial arc shape along the outer peripheral surface of the scaffolding pipe 2. A fixture for a scaffolding protective sheet according to claim 1. 3. The fixture A is attached to the body frame 6 made of a metal spring material in which the first and second hook portions 8 and 9 are integrally formed by bending, and the first hook portion 8 of one of the body frames 6. The fixture for a scaffolding protective sheet according to claim 1, wherein the fixture 7 comprises a fastener 7 composed of a connected rubber band, and the main body frame 6 is formed into a C-shaped ring. 4. A sheet joining tool B which is attached to a scaffolding pipe 2 and joins free ends of vertically adjacent protective sheets 5, 5, the sheet joining tool B having a holding arm 19 at one end. , A pair of pinch bodies 16 and 16 having an operation arm 20 at the other end, and a pin 1 for connecting the two pinch bodies 16 and 16 so as to be relatively swingable.
7, and a pair of pinching arms 16
16 and a spring 18 for urging and urging 16, the protective sheet 5 is provided on the facing surface of the holding arms 19 near the free end.
2. A sheet joining tool for a scaffolding protective sheet, characterized in that grooves 22 and 22 that engage with the inner edges of the eyelet fittings 14 and 14 are formed respectively.