JP2549232B2 - Electric and air piping unit for scaffolding - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a piping unit for supplying electric and compressed air which is used by being attached to a scaffold at a construction site.

[0002]

2. Description of the Related Art At a construction site, in order to use lighting and electric tools, an electric cord wound around a drum is used or a temporary electric cord is drawn into the site. Also, in order to use pneumatic tools such as nut runners and nailing machines that use compressed air from the air compressor, the air hose connected to the air compressor was pulled into the site. It is also practiced to crawl multiple electric cords and air hoses along the scaffold.

[0003]

As described above, in order to use lighting, electric tools, and pneumatic tools at a construction site, the electric cord and the air hose have conventionally been drawn in directly or laid on scaffolds. However, the cords and hoses were complicated at the site, and the wiring work and removal work at each site were troublesome. Also, from the viewpoint of using electric tools and pneumatic tools, the work of connecting and disconnecting the cords and hoses was troublesome.

Therefore, an object of the present invention is to be attachable / detachable to / from a scaffolding at a construction site, and to be used not only for lighting and an electric tool at the site but also for using a pneumatic tool such as a nailing machine using compressed air. To provide a convenient scaffolding electrical and air plumbing unit.

[0005]

In order to solve the above problems SUMMARY OF THE INVENTION The present invention includes a long unit case with a freely attachment means detachably attached to the scaffold, the electrical intake terminal portions and provided in the unit case outside surface a connecting portion intake compressed air, connecting with each plurality of electrical outlets and for compressed air extraction connection portion provided in the unit case outer surface, in said unit case, between the electrical intake terminal portion and the electrical outlet electrical A scaffold mounting electric and air piping unit comprising a cord and an air hose connecting between the compressed air intake connection portion and the compressed air extraction connection portion in the unit case is also featured.

In the above scaffold mounting electric and air piping unit, the mounting means are, for example, bands attached to both ends of the outer surface of the unit case. The electricity intake terminal portion and the compressed air intake connection portion are provided, for example, facing each other in the front-back direction at one end of the unit case. The electric outlet and the compressed air extracting connection portion are provided side by side, for example, at both end portions on the same surface of the unit case. The electric cord and the air hose are respectively held in through holes formed in a plate member fixed in the unit case, for example, at an intermediate portion.

The unit case is, for example,
It has a vertically long box shape and is configured by combining a front case and a rear case. Alternatively, it is configured to be bendable by a plurality of tubular members. Alternatively, it is configured to be bendable and extendable by a tubular member having a bellows-like flexible portion at least in part.

[0008]

[Function] On the outer surface of a long unit case that has a built-in electric cord and air hose and is equipped with means for attaching to a scaffold,
An electric and air piping unit for scaffolding that has a terminal part for electricity intake and a connection part for compressed air intake, and each has a plurality of electrical outlets and connection parts for compressed air extraction, so it can be freely attached to and detached from the scaffold by mounting means. In addition to being able to connect to the electric cord on the electricity supply side with the terminal part for electricity intake,
The compressed air intake connection allows connection with the air hose on the air compressor side.

In particular, since there are a plurality of electric outlets, it is possible to insert the plugs of the lighting and the power tool into each of them, which is convenient for using the lighting and the power tool.
Since there are multiple compressed air extraction connections, jacks for pneumatic tools such as nailing machines that use compressed air can be connected to each, making it convenient to use the pneumatic tools. In addition, electric and compressed air supply connections can be made between a plurality of unit cases.

The mounting means may be bands attached to both ends of the outer surface of the unit case, so that the lateral pipe members constituting the scaffolding can be mounted according to the size difference. In addition, by providing a terminal for electricity intake and a connection for compressed air intake facing the front and back direction at one end of the unit case, the cord connection point on the electricity supply side and the hose connection point on the compressed air supply side are distinguished. In addition to being able to do so, the connection status of each can be confirmed. Also, by equipping both ends of the unit case on the same surface with the electrical outlets and the connection for extracting compressed air, they can be used individually at the top and bottom according to the height of the work place. Short electrical cord and air hose to connect Further, by holding the electric cord and the air hose in the through holes formed in the plate member fixed in the unit case at the intermediate portion, it is possible to prevent the entanglement with the electric cord due to the flap of the air hose accompanying the air pressure feeding. .

Further, the unit case has a vertically long box shape, and is constituted by combining the front case and the rear case, so that the unit case can be disassembled and the components can be easily assembled and maintained. Also, by being composed of multiple tubular members, it becomes bendable,
It can be mounted in a state that it is bent at a right angle to the scaffold. The tubular member having a bellows-like flexible portion at least in part makes it flexible and expandable, and in addition to being mounted in a bent state, the length was adjusted according to the mounting location. You can also wear it.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a scaffold mounting electric and air piping unit according to the present invention will be described below with reference to FIGS. First, in FIG. 1 showing a mounting and use state on a scaffold as an example of a scaffold mounting electric and air piping unit according to the present invention, 1 is a scaffold, 2 is its vertical pipe material, 3 is also a horizontal pipe material, and 4 is Scaffolding board, 6 is drum,
7 is the electric cord, 8 is the air compressor, 9 is the air hose, 10 is the electric and air piping unit for mounting the scaffold according to the present invention, 100 is an air-type tool (nailing machine), and 101 is the air hose. .

As shown in the figure, for example, two upper and lower scaffold mounting electric and air piping units 10, 10 are mounted along the vertical pipe members 2, 2 of the stacked scaffolds 1. As shown in FIGS. 2 to 6, this scaffolding electric and air piping unit 10 is a vertically long box-shaped unit case 11 formed by combining a front case 12 and a rear case 22 made of aluminum. Is.

The front case 12 is a long one having a U-shaped cross section which opens rearward, and circular openings for projecting the compressed air extracting connection portions 71, 71 at the upper and lower end portions of the front surface thereof. An intermediate plate 15 protruding rearward is fixed to the intermediate portion by screws (not shown) while forming the portions 13 and 13. Further, the rear case 22 is an elongated one having a U-shaped cross-section that opens forward in correspondence with the front case 12, and the upper and lower end surfaces of the rear case 22 project forward.
3 and the bottom plate 24 are fixed by screws 25, 25 stoppers.

Mounting means 31, 31 are provided at the upper and lower ends of the rear surface of the rear case 22, respectively. As shown in FIGS. 3 to 8, this attachment means 31 has a cloth belt 34 sandwiched between screws 33, 33 fixing portions of a fixed plate 32, and magic tapes 35, 36 are provided on the cloth belt 34.
A pin 37 for passing the cloth belt 34 is provided between the fixed U-shaped brackets 38, 38.

The mounting means 31, as shown in FIG.
Between the fixing plate 32 and the U-shaped brackets 38, 38,
Scaffolding lateral pipe material 3 between the rear case 22 and the cloth belt 34
The unit case 11 is attached to the scaffolding lateral pipe member 3 by passing through the hooks and hooking the velcro tapes 35 and 36 with each other and locking them.

Further, an electric intake terminal portion 41 is provided at the lower end of the front surface of the front case 12. As shown in FIG. 4, the terminal portion 41 for taking in electricity is used for the socket 4
2 has bifurcated terminals 43, 43, 44 is a socket box (see FIGS. 6 and 8), and 45 is a screw for mounting the same.

Further, at the upper and lower ends of the front surface of the front case 12,
An electric outlet 5 is provided near the circular openings 13 and 13.
1, 51 are provided respectively. This electrical outlet 5
1 is a pair of upper and lower plug insertion portions 5 as shown in FIG.
2 and 52, 53 is an outlet box (see FIGS. 6 to 8), and 54 is a mounting screw.

As shown in FIGS. 6 and 8, below the front case 12, the socket box 44 and the outlet box 53 above it are connected by an electric cord 46. Further, as shown in FIGS. 6 to 8, the upper and lower outlet boxes 53, 53 are connected by an electric cord 55. This electric cord 55
As shown in FIG. 9, one of the two through holes 16 formed in the intermediate plate 15 is connected to the through hole 16.

A compressed air intake connection 61 is provided at the lower end of the rear surface of the rear case 22. As shown in FIGS. 4 to 6 and 8, the compressed air intake connecting portion 61 is formed by a jack 62 made of a metal fitting, and the jack 62 is provided on the air joint box 70 fixed in the rear case 22. It is attached to the back.

Further, this air joint box 7
On the front surface of 0, a compressed air extracting connection portion 71 is provided. The compressed air extraction connection 71 is
As shown in FIGS. 4 to 8, the joint pipe 72 is made of metal fittings.
Reference numeral 2 has a rotary fastening member 73.

A connection is made by inserting a jack provided in a pressure-resistant air hose such as an appropriate pneumatic tool into the joint pipe 72 and turning a tightening metal fitting 73 to tighten it. It can be easily removed by the reverse operation.

A similar air joint box 70 is also fixed to the upper end of the rear case 22. This air joint box 70 does not have the jack 62 as described above on the back side, and the compressed air extraction connection portion 71 is also provided on the front surface of the air joint box 70, and 72 is the same joint. The pipe and 73 are fastening fittings.

Then, as shown in FIGS. 6 to 8, the upper and lower air joint boxes 70, 70 are connected by a pressure-proof air hose 74. As shown in FIG. 9, the air hose 74 is connected to the other through hole 16 of the two through holes 16 formed in the intermediate plate 15.

The front case 12 and the rear case 22 each having the above-mentioned components are provided with a circular opening 1 of the front case 12.
Connection parts 71, 71 for taking out compressed air from 3, 13
(Joint pipes 72, 72) are projected forward, and the upper and lower ends of the front surface of the front case 12 are screwed into the lid plate 23 and the bottom plate 24, respectively, with the electric cords 46, 55 and the air hose 74 housed. (See FIG. 4) and at the same time, the rear portion of the rear case 22 is fixed to the intermediate plate with a screw (not shown) so as to be joined.

In this way, the unit case 11 for preventing the intrusion of rainwater into the inside is assembled, that is, the assembly of the scaffolding electric and air piping unit 10 according to the present invention is completed.

Next, how to use the scaffold-attaching electric and air piping unit 10 having the above-described structure will be described. First, the unit case 11 is attached to the scaffold 1.
As shown in FIG. 3, the scaffolding lateral pipe material 3 is passed between the rear case 22 and the cloth belt 34 between the fixing plate 32 and the U-shaped brackets 38, 38 by the attaching means 31, 31 at the upper and lower ends. As shown in FIG. 1, the unit case 11 is attached to the upper and lower scaffolding lateral pipe members 3, 3 by overlapping the velcro tapes 35, 36 and locking them.

Then, as shown in FIGS. 1 and 2, for example, the drum 6 is placed in a socket 42 forming an electric intake terminal portion 41 provided at the lower end of the front surface of the unit case 11.
The female plug of the electric cord 7 wrapped around is connected to connect to the power supply side. Further, the air compressor 8 is attached to the jack 62 forming the compressed air intake connection portion 61 provided at the lower end of the rear surface of the unit case 11.
The pressure-resistant air hose 9 connected to is connected.

In this way, according to the scaffold mounting electric and air piping unit 10 of the present invention mounted on the scaffold 1, the joint pipes 72, 72 that are the compressed air extraction connection parts 71, 71 are utilized. As shown in the drawing, for example, by connecting the jack of the air hose 101 of the pneumatic nailer 100, which is one of the pneumatic tools,
The pneumatic nailer 100 can be used.
Also, other pneumatic tools such as other pneumatic nut runners can be used.

Further, according to the scaffold mounting electric and air piping unit 10 of the present invention, the electric outlet 5
It is possible to use the illumination and the power tool by inserting the plugs of the illumination and the power tool (not shown) by using 1, 51.

By the way, as shown in FIG. 1 and FIG.
If necessary, the electric outlet 51 of the electric and air piping unit 10 attached to the lower side of the scaffold 1 and the electric and air piping unit 10 attached to the upper side thereof.
It can be used by connecting it to the socket 42 of the electric cord 105.

Similarly, as shown in FIG. 2, the joint pipe 72 of the electric and air piping unit 10 mounted on the lower side of the scaffold 1 and the jack 62 of the piping unit 10 mounted on the upper side thereof are used for pressure resistance. Air hose 1
It can be used by connecting with 06. In the above example,
Although the unit case 11 is composed of the front case 12 and the rear case 22 made of aluminum, the front case 12 and the rear case 22 made of resin may be adopted.

FIG. 10 shows another example of the configuration of the unit case, which is an example of the unit case 81 in which the joint portion 83 in the middle of the two tubular members 82, 82 is freely bendable.

Further, in FIG. 11, three cylindrical members 86,
Reference numeral 86, 86 shows a unit case 85 in which the two joint portions 87, 87 between them are freely bendable. By doing so, the scaffold 1 can be mounted in a state of being bent at a right angle or the like.

FIG. 12 shows an example of a unit case 91 composed of a tubular member having a bellows-shaped flexible portion 93 between the upper and lower tubular portions 92, 92. You can get the function of being free. By doing so, in addition to the mounting on the scaffold 1 in a bent state, the length can be slightly adjusted according to the mounting position on the scaffold 1.

In the above embodiments, the electrical outlet and the compressed air extracting connection portion are arranged at both ends of the same surface of the unit case, but the present invention is not limited to this. The placement surface and the placement location may be different, or the number may be three or more. Further, the length dimension, material, design, etc. of the unit case are arbitrary, and for example, a telescopic type unit case may be used. In addition, it goes without saying that the specific detailed structure and the like including the configuration of the attachment means can be appropriately changed.

[0037]

As described above, according to the scaffold mounting electric and air piping unit according to the present invention, the outer surface of the long unit case having the built-in electric cord and the air hose and the mounting means to the scaffold is provided. In addition to the electric intake terminal portion and the compressed air intake connection portion, each of which is provided with a plurality of electric outlets and compressed air extraction connection portion, first, the attachment means allows the scaffold to be freely attached and detached, and The electricity intake terminal can be connected to the electric cord on the electricity supply side, and the compressed air intake connection can be connected to the air hose on the air compressor side.

In particular, since there are a plurality of electric outlets, it is possible to insert the plugs of the lighting and the power tools into the respective outlets, which is convenient for the use of the lighting and the power tools, and the compressed air extracting connection portion is also provided. Since there are a plurality of jacks, the jacks of pneumatic tools such as nailing machines using compressed air can be connected to each of them, which makes it convenient to use the pneumatic tools. Further, it is also possible to make a supply connection of electricity and compressed air between a plurality of unit cases.

If the attaching means is bands attached to both ends of the outer surface of the unit case, it is possible to attach according to the size difference of the lateral pipe material forming the scaffold. .

According to the third aspect of the present invention, by providing the electric intake terminal portion and the compressed air intake connecting portion so as to face each other in the front-back direction at one end of the unit case, the cord connecting portion on the electric supply side can be provided. Not only can the hose connection points on the compressed air supply side be distinguished, but the connection state of each can also be confirmed.

According to the present invention, the electric outlet and the connection portion for extracting compressed air are provided side by side at both end portions on the same surface of the unit case. It is also possible to obtain the advantage that the electric cord and the air hose for connecting the unit cases to each other are short.

Further, according to the fifth aspect, the electric cord and the air hose are held at the intermediate portions in the through holes formed in the plate member fixed in the unit case. It is possible to prevent entanglement with the electric cord due to flapping.

Further, the unit case has a vertically long box shape as in claim 6, and if it is constructed by combining the front case and the rear case, the unit case is disassembled and each component is assembled. And maintenance can be performed easily.

Further, according to the seventh aspect of the present invention, if it is composed of a plurality of tubular members, it becomes bendable and can be mounted in a state of being bent at a right angle to the scaffold.

Further, according to the present invention, by comprising a tubular member having a bellows-like flexible portion at least at a part thereof, it becomes bendable and expandable, and can be mounted in a bent state. In addition, it is possible to perform the mounting with the length adjusted according to the mounting location.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a mounting and use state on a scaffold as an example of a scaffold mounting electric and air piping unit according to the present invention.

FIG. 2 is a schematic perspective view showing an example of use together with an example of connection of a scaffolding-attaching electric and air piping unit according to the present invention.

FIG. 3 is an enlarged perspective view showing a mounting portion to the scaffold by the mounting means.

FIG. 4 is a schematic perspective view showing a scaffolding attachment electric and air piping unit according to the present invention from the front side.

FIG. 5 is a schematic perspective view showing the same from the back side.

FIG. 6 is a schematic perspective view showing the internal structure and the like by disassembling the front case and the rear case of the scaffolding electric and air piping unit according to the present invention.

FIG. 7 is an enlarged perspective view of the upper part of the same.

FIG. 8 is an enlarged perspective view of the lower part of the same.

FIG. 9 is an enlarged perspective view of the plate member portion of the intermediate portion.

FIG. 10 is a schematic perspective view showing a configuration example of a unit case including two tubular members.

FIG. 11 is a schematic perspective view showing a configuration example of a unit case similarly including three tubular members.

FIG. 12 is a schematic perspective view showing a configuration example of a unit case made of a tubular member having a bellows-shaped flexible portion in an intermediate portion.

[Explanation of symbols]

1 Scaffold 2 Vertical pipe material 3 Horizontal pipe material 4 Scaffold board 6 Drum 7 Electric cord 8 Air compressor 9 Air hose 10 Electric and air piping unit for scaffolding installation according to the present invention 11 Unit case 12 Front case 13 Circular opening 15 Intermediate plate 16 Through Hole 22 Rear Case 23 Cover Plate 24 Bottom Plate 31 Mounting Means 34 Belt 41 Electric Intake Terminal 42 Socket 43 Bifurcated Terminal 44 Socket Box 46 Electrical Cord 51 Electrical Outlet 52 Electrical Plug 52 Electrical Outlet Box 55 Electrical Cord 61 Compressed Air Intake connection 62 Jack 70 Air joint box 71 Compressed air extraction connection 72 Joint pipe 73 Tightening fitting 74 Air hose 81,85,91 Unit case 82,86 Cylindrical member 93 Kishiburu portion 100 pneumatic tool (nailing machine) 101 air hose

Claims (8)

(57) [Claims] And 1. A long unit case with a freely attachment means detachably attached to the scaffold, a connecting portion for intake terminal portion and compressed air for intake electricity provided in the unit case outside surface, provided in said unit case outer surface A plurality of electrical outlets and a connection portion for extracting compressed air; an electric cord that connects between the electric intake terminal portion and the electric outlet in the unit case; and a compressed air intake portion in the unit case. An electric and air piping unit for scaffolding, comprising an air hose connecting between a connection portion and the compressed air extraction connection portion. 2. The electric and air piping unit for scaffolding according to claim 1, wherein the attaching means are bands attached to both ends of the outer surface of the unit case. 3. The electric intake terminal portion and the compressed air intake connection portion are provided so as to face each other in the front-back direction at one end portion of the unit case. Electric and air piping unit for scaffolding. 4. The scaffold according to claim 1, 2 or 3, wherein the electric outlet and the compressed air extracting connection portion are provided side by side at both end portions on the same surface of the unit case. Electrical and air piping unit for mounting. 5. The electric cord and the air hose are respectively held at through holes formed in a plate member fixed in the unit case at a middle portion thereof. Or the electric and air piping unit for mounting the scaffold described in 4. 6. The scaffold according to claim 1, 2, 3, 4 or 5, wherein the unit case has a vertically long box shape and is configured by combining a front case and a rear case. Electrical and air piping unit for mounting. 7. The scaffold mounting electric and air piping unit according to claim 1, 2, 3, 4 or 5, wherein the unit case is configured to be bendable by a plurality of tubular members. 8. The unit case is configured to be bendable and extendable by a tubular member having a bellows-shaped flexible portion at least in a part thereof. Electrical and air piping unit for scaffolding as described.