JPH0629575Y2 - Mounting plate for elbow pipe fittings - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] This invention is mainly used in buildings, condominiums, etc., for piping in a space between an interior wall and a back wall or a space between a floorboard and a concrete slab by a sheath pipe method. Mounting plate for an elbow type pipe joint at a pipe end of a water supply pipe and the like.

[Conventional technology]

When using the space between the inner wall and the back wall or the floorboard and the concrete slab (hereinafter simply referred to as "the space inside the wall") in the interior of a building or condominium, etc.,
Generally, a so-called "sheath pipe construction method" is used in which a sheath pipe leading to the main pipe side is arranged before one of the inner wall and the back wall is stretched or before flooring is performed. After that, an elbow type pipe joint is connected to a pipe end of a separate water supply pipe or the like inserted into the sheath pipe, and then the joint body is fixed at a predetermined position.

Thus, as shown in FIG. 6, a generally known fixture of this type of elbow type pipe joint has a box-shaped frame [a] formed of cast steel or a plastic material. The upper end of the connector [C] penetrating the lower plate [B] is fixed to the upper surface of the lower plate [B] by the stop nut [D], and the sheath pipe [E] is supported at the lower end of the connector [C]. A cap nut [g] equipped with a large number of return pawls [f] for screwing a sheath tube [e] into it to engage and support the small diameter part of the return pawls [f]. It was a thing.

In this way, the frame body [a] to which the sheath tube [e] is attached is fixed to the back surface of the inner wall w so that the through hole [h] faces an appropriate position, and then the sheath tube [e] The tip of a water supply pipe [li] (usually a polyethylene pipe) inserted into the inside is drawn out to the surface of the inner wall w through the through hole [h] of the frame [a],
The structure is such that it is connected to the elbow type pipe joint E, and the flanges [n] protruding on both sides of the neck of the joint body are screwed and fixed to the tapping screw holes [le] of the frame [a].

[Problems to be solved by the device]

However, with the above-described conventional box-type fixture,
In addition to manufacturing the frame [a], the connector [c] and the cap nut [g], a large amount of cost is required, resulting in high cost, and in particular, replacement of the sheath pipe [e] is complicated.

That is, since the sheath pipe [e] once attached to the frame body [a] of the above-mentioned conventional structure is engaged with the return pawl [f] and cannot be pulled out downward, the connector [c] The cumbersome work of cutting the sheath tube (about 10 cm) below, removing the cap nut [G] from the connector [C], and then pulling out the sheath tube fixed there, in the original pushing direction, that is, upward The problem was that it was necessary, and that this shortened the overall length of the sheath tube accordingly.

[Means for Solving the Problems]

In view of such circumstances, the present invention replaces the above-described box-type fitting with a relatively thin metal plate punched into a rectangular shape to form a main plate, and an elbow pipe joint is provided at an intermediate portion of the main plate. The locking piece with a tapping screw that communicates with the screw hole of the collar piece protruding from the neck is bent and raised, and the upper and lower parts of the main plate are bent 90 ° in the same direction to fix the fixing plate and the sheath tube. Engagement plates are formed, and appropriate long holes are provided in both sides of the upper fixed plate sandwiching the bending portion so that the main plate can be fixed to the pier in the space inside the wall or the back surface of the inner wall.

Further, the engaging plate below the main plate is provided with a series of through holes extending downwardly of the main plate, and the width of the through holes is configured to be slightly larger on the main plate side. The problem of the conventional mounting plate is solved by using a means of allowing the small diameter portion) to be inserted into the through hole of the sheath tube engaging plate from the main plate side.

Further, a means for extending the tip of the sheath tube engaging plate to bend and erect at a right angle, and communicating with the through hole in this portion as well, and penetrating a through hole having the same hole width as the through hole on the main plate side. Was also used.

[Action]

According to the mounting plate of the present invention having the above-mentioned configuration, the sheath tube can be freely attached and detached only by inserting the recessed portion of the bellows-shaped sheath tube from the through hole on the main plate side into the through hole of the sheath tube engagement plate. By attaching the sheath tube in advance, the sheath tube is surrounded by the inner wall or the back surface of the floor plate and the through hole and has an effect that it can be surely supported and fixed.

In addition, if the tip of the sheath tube engaging plate is further extended and bent upright, the sheath tube can be inserted from both front and rear directions of the mounting plate.
Since it can be detached, there is an effect that it can be used regardless of the construction order of the inner wall and the back wall.

〔Example〕

Hereinafter, the structure of the mounting plate of the present invention will be described in more detail based on Examples 1 and 2 shown in the drawings.
The reference numeral 2 designates a fixing plate which bends the upper portion of the main plate 1 at a right angle and which is provided with appropriate long holes 3 and 3'through both sides sandwiching the corner so that the plate can be fixed to a pier N or the like in the wall. Is a sheath pipe engaging plate in which the lower portion of the main plate 1 is bent at right angles in the same direction as the fixing plate, and a series of through holes 5 are provided from the front side of the sheath pipe engaging plate 4 to the lower side of the main plate.
5A is penetrated, and the above-mentioned hole width is such that the projecting portion (large diameter portion) of the bellows-shaped sheath tube S passes through the through hole 5'on the main plate side. The through hole 5 is configured so that the recessed portion s of the sheath tube can be hidden.

Further, 6 is a locking piece which is bent upright in the middle portion of the front surface of the main plate, and is provided with a tapping screw 6 at a position communicating with the screw holes of the collar piece e projecting on both sides of the neck of the elbow type pipe joint E. 'Is pierced.

The through hole of the sheath tube engaging plate 4 shown in FIG. 1 [A] is different from that shown in the above embodiment, and the sheath tube S does not easily come out forward as in FIG. 1 [B]. With the condition of 5
It is also free to cut and open the tip side of.

Further, FIGS. 2A and 2B show another embodiment of the sheath tube engagement plate 4 in the mounting plate of the present invention.
Is an extension of the tip of the sheath tube engaging plate 4 in the previous embodiment, and is further bent by 90 ° and erected to form a rising plate 4 ', and a wide transparent plate communicating with the through hole 5 of the sheath tube engaging plate is formed in this portion. A hole 5 ″ (having the same width as the through hole 5 ′ on the main plate side) is provided through.

In this case, the recessed portion s of the sheath tube that is inserted into the through hole 5 of the sheath tube engaging plate may pass through the wide through holes 5 ′ and 5 ″ on both sides as they are and come off, but to prevent this. , A U-shaped auxiliary plate 7 as shown in FIG. 3 is prepared, and the auxiliary plate 7 is inserted into the sheath pipe concave portion s already inserted into the through hole 5 or another concave portion above the concave portion s. By inserting it along the rising plate 4 ', the sheath tube is prevented from coming off and at the same time, it is firmly locked.

In addition, as shown in FIG. 2B, in the mounting plate of the present invention provided with the rising plate 4 ', holes are formed at both ends of the through hole 5 of the sheath pipe engaging plate on both sides of the sheath pipe insertion opening. By extending the narrowed piece 8 that slightly protrudes inside, the concave portion s of the sheath tube is pressed and deformed by the narrowed piece 8 when the sheath tube S is inserted, and passes through this portion into the through hole 5. If it can be inserted, the purpose of fastening the sheath tube can be achieved without necessarily using the above-mentioned U-shaped auxiliary plate 7, and if such a narrowing piece 8 is provided, The rising plate 4'may be omitted.

In FIG. 4, P is a pipe such as a water supply pipe, W is a back wall, w
Is the inner wall (the part indicated by the chain line), H in FIG. 5 is an auxiliary tool for fixing the mounting plate of the present invention, F is a concrete slab,
f indicates a floor plate.

Next, referring to FIG. 4, how to use the mounting plate of the present invention having the configuration shown in FIG. 1 will be described. First, the fixing plate 2 above the mounting plate is attached to the pier N before the inner wall w is stretched, and the long holes 3 are formed in the fixing plate 2.・ A bellows-shaped sheath tube S fixed through 3 and arranged in advance from the header (not shown) along the back wall W surface
The recessed portion s close to the tip opening is inserted into and fixed to the through hole 5 of the sheath tube engaging plate 4 through the through hole 5'on the main plate side. Next, with the inner wall w stretched or not stretched, the sheath pipe S
The pipe P is inserted from the header side into the inside, the tip end portion is sufficiently drawn out through the middle hole 1'of the main plate 1, the elbow type pipe joint E is attached to the tip end of the connection pipe P, and the pipe P is a sheath pipe. By pushing back to the tapping screw 6'of the locking piece 6 through screw holes (not shown) of the collar pieces e on both sides of the pipe joint E, the tip opening of the elbow type pipe joint E becomes the inner wall. It is fixed so as to face the surface of w.

Another example of using the mounting plate of the present invention shown in FIG.
This is a sheath pipe construction method in which the tip opening of the elbow type pipe joint E faces the floor plate f and is fixed upward, and is an L-shaped fixing aid previously installed in the concrete slab F corresponding to the mounting position of the pipe joint E. The fixing plate 2 of the main plate 1 is attached via N, and the method of engaging the distal end of the sheath pipe S with the sheath pipe engaging plate 4, the connecting means of the pipe P and the elbow pipe joint E, and the locking of the joint plate of the joint plate. The procedure of fixing the tapping screw 6'of the piece 6 with a screw is exactly the same as the above-mentioned usage procedure.

[Effect of device]

According to the mounting plate of the elbow type pipe joint according to the present invention described in detail above, the sheath pipe engaged with the sheath pipe engaging plate below the mounting plate is stretched with the peripheral edge of the through hole of the sheath pipe engaging plate. Since it is securely supported by being surrounded by the inner wall or the back surface of the floor plate, the sheath tube does not move or fall off regardless of the size of the distance between the inner wall and the back wall, and the conventional box-type fixture The high cost and installation work, especially the difficulty of replacing the sheath pipe and the inconvenience of cutting and shortening the sheath pipe have been resolved, and the elbow pipe joint outlet can be installed regardless of the inner wall or floor surface. It is expected to have many practical effects such as easy installation and reliable implementation.

[Brief description of drawings]

Fig. 1 [A] is a front perspective view of a mounting plate of the elbow type pipe joint of the present invention, [B] is a front perspective view showing a modified example of the sheath pipe engaging plate, and Fig. 2 [A] is another implementation of the mounting plate. A front perspective view of an example, [B] is a sectional view taken along line XX, FIG. 3 is a U-shaped auxiliary plate, and FIG. 4 is a state in which the mounting plate is mounted in a wall and an elbow type pipe joint is fixed. Partial sectional view showing the fifth
FIG. 6 is a side view showing another example of use in which the mounting plate is fixed under the floor, and FIG. 6 is a cross-sectional view of an essential part showing an example of a conventional mounting fixture. In the figure, 1 ... main plate of mounting plate, 2 ... fixing plate, 3
・ 3 '... long hole, 4 ... sheath tube engaging plate, 4' ... rising plate, 5'5 ', 5 "... through hole, 6 ... locking piece, 7 ... U
Auxiliary plate, 8 ... Narrowing piece, E ... Elbow type pipe joint,
e ... collar piece, P ... pipe, S ... bellows-like sheath tube, H ...
… Auxiliary equipment.

Claims (3)

[Scope of utility model registration request] 1. An upper portion of a main plate is bent to form a plate fixing plate, and a locking piece capable of fixing a collar piece of an elbow type pipe joint is bent and erected at an intermediate portion thereof, and a lower portion of the main plate is bent. While forming a sheath pipe engaging plate, a series of through holes having a slightly large hole width on the main plate side are penetrated from the lower half of the main plate to the sheath pipe engaging plate. Mounting plate for mold pipe joints. 2. A sheath pipe engaging plate having a distal end extended to be bent and bent, and a communicating hole communicating with the through hole of the sheath pipe engaging plate and having a through hole slightly larger than the hole width. Mounting plate for the elbow type pipe joint described in 1. 3. The mounting plate for an elbow type pipe joint according to claim 2, wherein narrowing pieces are provided on both sides of the sheath tube engaging plate before and after the through hole.