JPH07193938A - Coupler for wiring/piping support - Google Patents

Abstract

PURPOSE:To provide a coupler for coupling the wiring/piping supports positively while facilitating the fixing work of the metal. CONSTITUTION:The coupler comprises a support metal 20 having a hook part 21 opening downward outside a master beam 20a, and a metal 10 having an engaging part 11 corresponding to the hook part 21 and a hole 12 to drive in a screw 30 for pushing the support metal 20 thus engaging the parts 11 and 12. The engagement of the parts 11 and 21 is regulated in two directions.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring material such as a communication cable and an electric power cable, or a piping material such as a conduit tube, a hot water pipe for heat exchange, a hot and cold water supply pipe, a gas pipe and a protective pipe for protecting them. The present invention relates to a connecting device for connecting wiring / pipe receivers such as racks and ladders to be laid.

[0002]

2. Description of the Related Art Conventionally, wiring / piping receivers for forming a long laying path such as a cable ladder are connected to each other via connecting fittings and are hung from hanging bolts hung from a ceiling or the like. It is generally arranged in a closed state. Conventionally, as such a receiver connecting device, as shown in FIG. 14, a metal fitting 50 formed in a plate shape having a bolt mounting hole is arranged so as to straddle the connecting positions of the receiving members 60, The bolt insertion hole and the mounting hole provided in the outer wall of the receiving member 60 are aligned with each other, the bolt 70 is passed through, and the nut is attached to the bolt 70 from the opposite side of the metal fitting 50 with the outer wall interposed therebetween.
A structure for tightening this is known.

[0003]

However, in such a conventional connecting device, it is necessary to provide a bolt insertion hole corresponding to the mounting hole of the metal fitting in the receiving member, and work for mounting the metal fitting in the receiving member. Is troublesome. That is, when connecting the receivers to each other, it is necessary to align the bolt insertion holes provided on the outer wall of the receivers with the mounting holes of the metal fittings. There was a problem of being forced.

Further, in the case of the conventional connecting device, since the structure is such that the receiver is bolted from the side, when the cable is laid on the receiver and the weight is heavy, the bolt insertion hole and the bolt rattle. As a result, there is a problem that the connecting portion is easily bent as shown in FIG.

The present invention has been made in view of the above circumstances, and an object of the present invention is to facilitate the work of attaching the metal fittings when the receiving members are connected to each other, and to connect the receiving members to each other. An object of the present invention is to provide a connecting device for a wiring / piping receiver that can surely connect without rattling.

[0006]

As a means for solving the above-mentioned problems, the invention as claimed in claim 1 is, "A receiving member having an engaging portion provided on an outer wall and a member engaging with the engaging portion. A metal fitting having a mating portion, which is attached from the outside of the receiving member, and which is provided with a screw hole into which a screw for pushing the receiving member to engage the engaging portion with the locking portion is screwed. At least one of the locking portion and the engaging portion is formed in a hook shape so that the engagement is regulated in two directions, and the screw hole is formed in the engaging direction of the locking portion and the engaging portion. Device for connecting wiring / piping receivers, characterized in that it is formed in an inclined direction "
Is the content.

The invention according to claim 2 is characterized in that "the receiving tool is provided with a guide path for guiding the laying tool for laying the wiring / piping material in the longitudinal direction.
The content is "Connecting device for receiving wiring / piping receiver".

According to a third aspect of the present invention, "a receiver having an engaging portion provided on an outer wall and an engaging portion that engages with the engaging portion are attached from the outside of the receiver. , A metal fitting having a screw hole into which a screw for tensioning the receiving member to engage the engaging portion with the engaging portion is screwed, the engaging portion and the engaging portion are The connection device for the wiring / piping receiver is characterized in that it is formed so as to be restricted in the vertical direction.

[0009]

In the connecting device according to the first aspect of the present invention, the engaging portion of the metal fitting is attached to the engaging portion provided on the outer wall of the receiving member from the outside of the receiving member by a simple operation. The receivers can be easily connected to each other simply by inserting a screw into a screw hole formed in the metal fitting and tightening the tip so that the tip of the receiver is stretched against the outer wall of the receiver.

In this case, the engaging portion and the engaging portion are
At least one is formed in a hook shape so that the engagement is regulated in two directions, and the screw hole is formed in a direction inclined with respect to the engaging direction of the locking portion and the engaging portion, When the screw is screwed into the screw hole and the tip of the screw is stretched to the outer wall of the receiver, the engagement between the locking portion and the engaging portion is not limited to one direction, and is restricted to two directions. The engaging state is created so that the rattles can be prevented from rattling each other. At the same time, the ends of the receivers are butted against each other so that accurate alignment is achieved.

Therefore, as in the connecting device according to the second aspect of the present invention, in the case where the receiving tool is provided with a guide path for guiding the laying tool for laying the wiring / piping material in the longitudinal direction. , The guideways are accurately aligned with each other, and the installation tool can be smoothly guided to the guideways.

Further, in the connecting device according to the third aspect of the present invention, the simple operation of engaging the engaging portion of the metal fitting from the outer side of the receiver with the engaging portion provided on the outer wall of the receiver. Can be attached by simply screwing a screw into the screw hole provided in the metal fitting and tightening so that the tip is stretched to the outer wall of the receiver, the receivers can be easily connected to each other and locked. Since the engaging portion and the engaging portion are formed so that the engagement is regulated in the vertical direction, rattling in the vertical direction to which a load is particularly applied is prevented, and a cable or the like is laid on the receiver. Even if a heavy weight is applied, it is possible to prevent the connecting portion from bending.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention described in each claim will be described in detail below with reference to the embodiments shown in the drawings. In the coupling device shown in FIGS. 1 and 2, the receiving member 20 has a main beam 20a and a child beam 2.
It is a ladder type that is assembled with 0b, and a plurality of hook-shaped engaging portions 21 that are open downward in the longitudinal direction are formed on the outside of the main beam 20a. On the other hand, metal fittings 10
Has an engaging portion 11 corresponding to and engaging with the locking portion 21 of the receiving tool 20, and a screw 30 for tensioning the receiving tool 20 to engage the engaging portion 11 with the locking portion 21. A screw hole 12 for screwing is provided. In this example, by applying the metal fitting 10 from the lower side of the main girder 20a of the receiving tool 20,
Engagement portion 1 formed so as to project from the upper end and the side surface of the metal fitting 10.
1 can be engaged with the locking portion 21 of the receiving tool 20.

As shown in FIG. 2, the screw hole 12 is formed so as to be inclined downward, and the screw 30 is screwed in obliquely from above so that the tip of the screw hole 12 is stretched to the receiving member 20. The engagement between the locking portion 21 and the engaging portion 11 is regulated in two directions, an upward direction and a lateral direction (see FIG. 2). The screw hole 12 is inclined with respect to the engaging direction of the locking portion 21 and the engaging portion 11, and therefore, the screw 30 is screwed into the screw hole 12 and the tip end of the screw 30 is received by the main girder of the receiving tool 20. Two
When it is stretched to 0a, the reaction force disperses so that it acts on both of the engagements regulated in two directions, thus preventing rattling of the connecting points of the receiving members 20. At the same time, accurate alignment is made. Further, in this example, the engagement between the locking portion 21 and the engaging portion 11 is formed so as to be restricted in the vertical direction (the vertical direction in FIG. 2) to which the load is applied, and the receiving member 20 is formed.
Even if a cable or the like is laid on the weight and the weight is heavy, the connecting portion does not rattle and a bend does not occur.

In the present invention, the engagement restricted in two directions is not limited to the case where one direction is restricted in the vertical direction. For example, as shown in FIG. 4, a hook-shaped engaging portion 21 that is opened obliquely downward is formed on the outer wall of the receiving tool 20, and the metal fitting 10 having the engaging portion 11 that engages with the engaging portion 21. In the case of the connecting device constituted by, the engagement between the locking portion 21 and the engaging portion 10 is restricted in two directions, that is, the diagonally upper right direction and the diagonally upper left direction in the figure. In this case, the screw hole 12 is formed in the up-down direction which is a direction inclined with respect to the engaging direction of the engaging portion 21 and the engaging portion 10, and the screw 30 is formed therein.
Even when the screw is screwed in and stretched, the reaction force due to the strut of the screw 30 acts so as to act on both of the engagements regulated in the two directions, thus preventing rattling and ensuring accurate operation. It is designed to be aligned.
As described above, the engagement regulated in two directions may be regulated in one direction in the vertical direction, or may be regulated in different directions.

Further, the reason why the engaging portion 21 is formed into a hook shape is to engage the engaging portion 11 so that the engaging portion 11 is regulated in two directions. As long as it is regulated, the locking portion 21 is not limited to the hook shape. For example, as shown in FIG. 5, the engaging portion 11 may have a hook shape. In short, the locking portion 21 or the engaging portion 11
If one of them is hook-shaped, they can be engaged so as to be restricted in two directions in the engagement of both.

Further, the engagement between the engaging portion 21 and the engaging portion 11 does not necessarily have to be provided at a plurality of places. For example, in the example shown in FIG. 2, the engaging portion 21 provided at the lower end of the main girder 20a. It is possible to fix the metal fitting 10 to the receiving tool 20 by stretching the screw 30 only by engaging with the engaging portion 11 that engages with this. By providing the engagement at two or more places, the metal fitting 10 can be more securely fixed to the receiving tool 20.

When engaging at two or more places, the engaging is not limited to being restricted in two directions, but may be a combination of restricting in one direction. For example, as shown in FIG. 5 and FIG. 6, in a coupling device that engages at two upper and lower locations, the engagement between the engagement portion 21 and the engagement portion 11 is restricted in two directions at the upper engagement location. On the other hand, the lower engaging portion may be regulated in one direction to the left in the drawing. If there is at least one engaging portion that is regulated in two directions, accurate alignment can be performed and rattling can be prevented.

Further, if the screw hole 12 is formed in a direction inclined with respect to the engaging direction of the engaging portion 21 and the engaging portion 11, the screw 30 can be screwed in from above. Whether formed (FIG. 1, FIG. 4, FIG. 6) or formed so as to be screwed in from below (FIG. 5),
Further, it may be formed so as to be screwed in from the side.

As shown in FIG. 3, the receiver 20 of the above embodiment is a shooter 2 which is a guide path for guiding a laying tool 40 for laying wiring / piping material on the upper portion of the main girder 20a.
2 is provided in the longitudinal direction. The shooter 22 is installed inside the installation tool 40 by being assembled with the opening member 23 having one side edge inserted and locked in the mounting groove 25 provided in the lower portion thereof.
Forming a passage through which And the receiver 20
A slit 24 continuous in the longitudinal direction is provided so as to face the inside. By removing the opening member 23, an insertion opening is formed in the shooter 22, and the installation tool 40 is formed in this insertion opening.
Is to be inserted. The installation tool 40 includes a tip portion 41 including a plate member 411 that passes through the slit 24.
And a rope 42 having rigidity connected thereto, as shown in FIG.
The wiring / piping material X can be pulled into 0 and installed.

The guide path guides the laying tool 40 for laying the wiring / piping material X as described above. When the receiving tools 20 are connected to each other, the guiding tools 20 are guided to each other. The guideways must be accurately aligned so that they can be done smoothly. In this case, as shown in FIGS. 1 and 2, the engaging portion 21 and the engaging portion 1
0 is formed so that the engagement with 0 is restricted in two directions, and the screw hole 12 is formed in a direction inclined with respect to the engaging direction of the locking portion 21 and the engaging portion 11, The main girder 20a which is the outer wall of the receiving tool 20 into which the screw 30 is screwed
If the connecting device is such that the engaging part 11 and the engaging part 11 are engaged so that the locking part 21 and the engaging part 11 are regulated in two directions when they are stretched, the accurate alignment is performed even between the guide paths. be able to.

The guide path is not limited to the hollow shape as in the above embodiment, but may be a rail shape. In this case, the guide path corresponds to the rail shape. A laying tool that is held and guided along the guideway may be used.

As described above, in the coupling device in which the engagement between the engaging portion 21 and the engaging portion 10 is restricted in two directions, as shown in FIG. Of course, the tool 20 can also be applied. Also, the receiver 20 is
The present invention is not limited to the ladder type in which the parent girder 20a and the child girder 20b are combined, and may be the rack type in which a steel plate is bent and formed into a U shape, and the locking portion 21 can be provided on the outer wall. If it is good.

Next, another example of the connecting device is shown in FIG. 9, and this connecting device has a receiving member 20 provided with an engaging portion 21 on the outer wall and an engaging portion 21 of the receiving device 20. Correspondingly, there is an engaging portion 11 that engages with this,
The metal fitting 10 is provided with a screw hole 12 into which a screw 30 that is stretched on the receiving tool 20 to be engaged with is engaged. The engagement of the locking portion 21 and the engagement portion 11 is regulated in the vertical direction. It is formed as follows. Therefore,
In this example, when the screw 30 is screwed into the screw hole 12 from above and is made to be stretched, the engaging portion 11 and the engaging portion 21 are engaged so as to be regulated in the vertical direction, and the receiving members 20 are separated from each other. It is connected without rattling, and a cable or the like is laid on the receiving member 20 so that the bending of the connecting portion can be prevented even if a heavy weight is applied.

The vertical direction means the load direction and the anti-load direction applied to the receiving device 20 itself including the receiving device 20 itself, and the engagement between the engaging portion 21 and the engaging portion 11 which is regulated in the vertical direction is as follows. This includes engagement that is restricted in the direction along the outer wall of the receiver 20 and that restricts the receiver 20 in the load direction and the anti-load direction. Then, the screw hole 12 is a screw hole into which the screw 30 that makes the receiving member 20 stretch can be screwed so that the locking portion 21 which is regulated in the vertical direction and the engaging portion 11 are engaged with each other. good.

As shown in FIG. 9, the engaging portion 21 and the engaging portion 1
In the coupling device in which the engagement with 0 is regulated in the vertical direction, the locking portion 21 or the engagement portion 10 does not need to be formed in a hook shape, and the projections are simply engaged with each other. May be. Further, it is sufficient that at least one engagement portion with the locking portion 21 or the engagement portion 10 is provided. The receiving tool 20 may be provided with a guide path.

The coupling device shown in FIGS. 10 and 11 is
A protrusion-shaped locking portion 21 that protrudes obliquely downward is formed on the outside of the main beam 20a of the receiver 20, and the main beam 20a of the receiver 20 is formed.
By applying the metal fitting 10 from the lower side of the
The engaging portion 11 formed so as to project from the upper end and the side surface of the can be engaged with the locking portion 21 of the receiving tool 20. In the metal fitting 10, a screw hole 12 into which a screw 30 for tensioning the receiving tool 20 is screwed to engage the engaging portion 11 and the locking portion 21 is formed obliquely downward.

By using the connecting device as described above, it is possible to easily attach the metal fitting 10 when connecting the receiving members 20 to each other and to connect the receiving members 20 without rattling. . The connecting device according to the present invention can be connected to the receiving members 20. However, as shown in FIG. 12, a projecting piece 13 protruding laterally of the metal fitting 10 is formed and hung on the protruding piece 13. By providing the insertion hole 14 for inserting the bolt B, it can be used also as a hanging fitting. As a result, for example, as shown in FIG. 13, the fittings 20 can be connected to each other by the metal fittings 10 and can be hung from a hanging bolt B hung vertically from the ceiling or the like to install the fitting 20 at a predetermined position with good workability. You can

[0029]

As described above, in the connecting device according to the first aspect of the present invention, the engaging portion of the metal fitting engages the engaging portion provided on the outer wall of the receiving member from the outside of the receiving member. It can be attached by a simple operation to engage, the receivers can be easily connected to each other, and the screw is engaged with the engaging structure of the engaging portion and the engaging portion which is regulated in two directions. Since a screw hole is provided so that it can be tilted with respect to the direction,
The rattling of the receivers can be prevented, and at the same time, the ends of the receivers can be accurately aligned.

Further, in the connecting device according to the second aspect of the invention, the receivers provided with the guide passages for guiding the laying tools for laying the wiring / piping material in the longitudinal direction are easily connected to each other. In addition, it is possible to connect the guideways so that the guideways are accurately aligned with each other, and the installation tool can be smoothly guided to the guideways.

Further, in the connecting device according to the third aspect of the present invention, the receivers can be easily connected to each other, and the engaging portion and the engaging portion whose engagement is regulated in the vertical direction are provided. With the configuration including, it is possible to prevent the cable or the like from rattling in the vertical direction in which a load is applied by laying, and it is possible to prevent bending of the connecting portion between the receiving members.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a connecting device according to the present invention.

FIG. 2 is a sectional view of the embodiment shown in FIG. 1 in a connected state.

FIG. 3 is a partial perspective view showing a receiver of the embodiment shown in FIG.

FIG. 4 is a sectional view of an essential part showing another embodiment of the coupling device according to the present invention.

FIG. 5 is a cross-sectional view of an essential part showing still another embodiment of the coupling device according to the present invention.

FIG. 6 is a cross-sectional view of an essential part showing still another embodiment of the coupling device according to the present invention.

FIG. 7 is a cross-sectional view of an essential part showing still another embodiment of the coupling device according to the present invention.

FIG. 8 is a cross-sectional view of an essential part showing still another embodiment of the coupling device according to the present invention.

FIG. 9 is a cross-sectional view of essential parts showing an embodiment of a coupling device according to the present invention in which engagement is restricted in the vertical direction.

FIG. 10 is a cross-sectional view of an essential part showing still another embodiment of the coupling device according to the present invention.

FIG. 11 is a cross-sectional view of an essential part showing still another embodiment of the coupling device according to the present invention.

FIG. 12 is a cross-sectional view showing an embodiment of a connecting device having a hanging structure according to the present invention.

FIG. 13 is a perspective view showing a usage state of the embodiment shown in FIG.

FIG. 14 is a side view showing a conventional coupling device.

FIG. 15 is a side view for explaining a usage state of a conventional coupling device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Metal fittings 11 Engagement parts 12 Screw holes 20 Receiving tools 21 Locking parts 30 Screws 40 Laying tools

Claims (3)

[Claims] 1. A receiver having an engaging portion provided on an outer wall, and an engaging portion engaging with the engaging portion, which is attached from the outside of the receiving member, and the engaging portion serves as the engaging portion. A metal fitting having a screw hole into which a screw for tensioning the receiving member for engaging is screwed, and the locking portion and the engaging portion are at least such that the engagement is restricted in two directions. One of the hooks is formed in a hook shape, and the screw hole is formed in a direction inclined with respect to an engaging direction of the engaging portion and the engaging portion, and a connecting device for a wiring / piping receiver. . 2. The receiver for wiring and piping according to claim 1, wherein the receiver is provided with a guide path for guiding a laying tool for laying wiring and piping material in a longitudinal direction. Connecting device. 3. A receiver having an engaging portion provided on an outer wall, and an engaging portion engaging with the engaging portion, which is attached from the outside of the receiving member, and the engaging portion serves as the engaging portion. A metal fitting having a screw hole into which a screw for tensioning the receiving member for engaging is screwed, and the engaging portion and the engaging portion are formed so that the engagement is regulated in the vertical direction. A connecting device for wiring / piping receivers, which is characterized in that