JPH0861564A - Faucet box fittings - Google Patents

Abstract

(57) [Abstract] [Purpose] It is an object of the present invention to provide a water faucet box joint that can be easily housed in a narrow water faucet box and that can easily carry out work of attaching a connecting pipe. A water faucet box joint 1 arranged and fixed in a water faucet box 5, a joint body 2 having a cylindrical guide portion 22 fitted in a connecting pipe 6, and provided on the outer periphery of the guide portion 22. And a retaining ring 4 that is pressed inward by fastening the bolts 43, and an engaging portion that engages the joint body 2 and the retaining ring 4 while restricting the movement of the retaining ring 4 in the circumferential direction. 21 and 41 are provided, and the bolt fastening portion 42 of the pressing ring 4 is always positioned at a predetermined position of the joint body 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water faucet box joint provided in a water faucet box.

[0002]

2. Description of the Related Art Conventionally, as a faucet box joint used in a faucet box, for example, Japanese Utility Model Publication No. 4-206
As disclosed in Japanese Laid-Open Patent Publication No. 19-19, there is known one in which a connection pipe is connected to the joint body by fastening a cap nut to the connection pipe fitted onto the joint body via a split ring.

It is also known to use a retaining ring for fastening a bolt instead of the cap nut.

[0004]

However, in the case of a faucet box joint using a cap nut, the diameter of the split ring is reduced by screwing the cap nut into the split ring. Therefore, it is difficult to determine whether or not to conclude with. In addition, a special split ring with threaded threads is required for screwing the cap nut, and the joint itself becomes expensive.

On the other hand, in the case of a water faucet box joint using a retaining ring for fastening a bolt, the bolt protrudes from the retaining ring, so that when the pipe joint is stored in a narrow faucet box, Depending on the position, the bolt interferes with the pipe fitting, making it difficult to store the pipe joint. Further, since the position of the bolt does not move freely along the circumferential direction of the retaining ring and is not fixed, there is a problem in that the fastening work of the bolt is difficult to perform.

The present invention has been made in view of the above circumstances, and can be easily accommodated in a narrow faucet box, and
It is an object of the present invention to provide a water faucet box joint that allows easy attachment work of a connecting pipe.

[0007]

A water faucet box joint of the present invention for solving the above problems is a joint arranged and fixed in a water faucet box, which is a cylindrical guide fitted in a connecting pipe. A joint body having a portion, and a retaining ring provided on the outer periphery of the guide portion and pressed inward by bolt fastening, the joint body and the retaining ring restricting movement of the retaining ring in the circumferential direction. Engaging portions that engage with each other are provided, and the bolt fastening portion of the pressing ring is always positioned at a predetermined position of the joint body.

[0008]

According to the present invention, the movement of the retaining ring in the circumferential direction is restricted by the engaging portions provided on the joint body and the retaining ring, and the bolt fastening portion of the retaining ring is always positioned at a predetermined position on the joint body. It will be.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows an outline of the overall structure of a faucet box joint 1 (hereinafter simply referred to as a pipe joint), and FIGS. 2 and 3 show a state in which the pipe joint 1 is housed in a faucet box 5. Shows.

That is, the pipe joint 1 includes a joint body 2
And a split ring 3 and a retaining ring 4, and the joint body 2 and the retaining ring 4 are provided with engaging portions 21 and 41 that restrict the circumferential movement of the retaining ring 4 and engage with each other. It has been done.

The joint body 2 is formed in the shape of an elbow, and one end thereof is guided so that its outer diameter is slightly smaller than the inner diameter of the connecting pipe 6 so that it can be fitted into the connecting pipe 6 to be connected. The part 22 is formed. A groove 221 is provided on the outer peripheral surface of the guide portion 22 over the entire circumference in the circumferential direction, and an annular seal member 222 made of an elastic material such as rubber is fitted into the groove 221. . Further, an annular convex portion 223 is engraved over the entire circumference in the circumferential direction on the outer peripheral surface closer to the tip than the concave groove 221.

A flange portion 23 is provided at the base end of the guide portion 22, and the screw hole 2 of the flange portion 23 is provided.
By screwing a screw (not shown) to 31, the joint body 2
Can be fixed in the faucet box 5. Further, at the base end of the guide portion 22, the engaging portions 21 are provided so as to project from two places with a predetermined space.

Further, the other end of the joint body 2 has a connecting portion 24.
Is designed to form. Threads 241 are threaded on the inner peripheral surface of the connecting portion 24, and valves and pipe joints of various devices can be connected through the threads 241. Further, a screw thread 242 is also threaded on the outer peripheral surface of the connecting portion 24, and a lock nut 243 can be screwed into the screw thread 242. Further, a flange portion 25 is provided at the base end of the connecting portion 24 so as to be locked inside the faucet box 5.

The split ring 3 is formed in a substantially cylindrical shape having a slit 31, and the width of the slit 31 changes depending on the fastening condition of the pressing ring 4 from the outside so that the split ring 3 expands and contracts. ing. At one end of this split ring 3,
A flange portion 32 is circumferentially provided in the inner diameter direction, and by engaging the flange portion 32 with the groove portion 26 provided in the joint body 2, the split ring 3 can be positioned with respect to the joint body. ing. A concave groove 33 for positioning the pressing ring 4 is provided on the outer peripheral surface of the split ring 3, and an annular convex portion 34 is provided on the inner peripheral surface over the entire circumference in the circumferential direction.

The pressing ring 4 is formed in a substantially cylindrical shape so as to fit in the groove 32 of the split ring 3, and both ends thereof form bolt fastening portions 42 in a confronting state. Then, by fastening the bolt 43 of the bolt fastening portion 42, the split ring 3 is pressed inward, so that the connection pipe 6 between the split ring 3 and the guide portion 22 of the joint body 2 is connected. Has been done. Further, an engaging portion 41 is provided on the pressing ring 4 so as to be inserted between two engaging portions 21 protruding from the base end portion of the guide portion 22 of the joint body 2. The engagement portions 21 and 41 regulate the movement of the retaining ring 4 with respect to the joint body 2 in the circumferential direction, and the bolt fastening portions 42 of the retaining ring 4 are arranged at positions in the faucet box 5 that do not interfere. It is designed to be done.

The faucet box 5 includes a base material 7 and a finishing wall 7.
1 is composed of a casing formed to have a width W and a thickness D corresponding to the wall space 70, and the front opening 51 and the sheath pipe connecting portion 52 are opened, and the joint main body is provided inside thereof. Two mounting bases 53 are projected. Further, a sheath pipe 54 arranged from a sheath pipe header (not shown) is fixed to the sheath pipe connecting portion 52 by a lock pin 55.

When the pipe joint 1 thus constructed is to be installed in the faucet box 5, first, as shown in FIG.
The pipe joint 1 is inserted into the faucet box 5, and the flange portion 23 of the joint body 2 is brought into contact with the mounting base 53 in the faucet box 5 and fixed with screws (not shown). At this time, the joint body 2
Since the position of the bolt fastening portion 42 of the holding ring 4 is positioned with respect to the fitting ring 4, the pipe joint 1 can be easily inserted into the faucet box 5 without the bolt fastening portion 42 and the bolt 43 interfering. Can be fixed.

Then, the connecting pipe 6 is connected to the guide portion 22 of the joint body 2 and the bolt 43 is fastened to connect and fix the connecting pipe 6. Also at this time, the bolt fastening portion 42 is attached to the joint body 2.
Is positioned on the front opening 51 side in the direction of the thickness D of the faucet box 5, so even if the pipe joint 1 is arranged and fixed in the faucet box 5, the bolt 43 The fastening work can be easily performed.

Then, the front opening 51 of the faucet box 5 is opened.
The faucet flange 56 is covered with the, the lock nut 243 is screwed into the screw thread 242 of the connection portion 24 of the joint body 2, and the faucet flange 56 is fixed, whereby the construction is completed.

In the case of the pipe joint 1 of this embodiment, the position of the bolt fastening portion 42 of the retaining ring 4 is positioned so as to project toward the front opening 51 side in the thickness D direction of the faucet box 5. Therefore, it is effective when constructing the pipe joint 1 in the faucet box 5 having a large thickness D and a narrow width W, but the positions of these bolt fastening portions 42 are not particularly limited, and for example, As shown in FIG. 4, the position of the bolt fastening portion 42 may be positioned so as to project in the width W direction of the faucet box 5. In this case, it is effective when the pipe joint 1 is installed in the faucet box 5 having a small thickness D and a wide width W.

In this embodiment, the positioning is performed by the two engaging portions 21 projecting from the joint body 2 and the one engaging portion 41 projecting from the holding ring 4. As shown in FIG. 5, one engaging portion 21 protruding from the joint body 2 and two engaging portions 4 protruding from the retaining ring 4
Alternatively, the positioning may be performed by using 1. Also in this case, the shapes of the engaging portions 21 and 41 are not particularly limited, and as shown in FIG. 6, the engaging portions 21 and 41 are provided in a triangular shape so as to project in the circumferential direction. It is also possible to reduce axial play so that the positioned presser ring 4 does not swing.

Further, in the case of this embodiment, the engaging portion 41 protruding from the holding ring 4 extends on the side of the engaging portion 21 protruding from the joint body 2, as shown in FIG. Thus, the engaging portion 21 protruding from the joint body 2 may extend on the side of the engaging portion 41 protruding from the pressing ring 4.

Further, in this embodiment, the connecting ring 6 is connected to the joint body 2 by fastening the pressing ring 4 via the split ring 3, but the split ring 3 is particularly required. The connection pipe 6 may be connected by directly fastening with the pressing ring 4.

Further, in the present embodiment, the engaging portion 21 is provided on the rear surface side of the flange portion 23 opposite to the bending direction of the connecting portion 24 of the joint body 2, but the engaging portion 21 is projected from the joint body 2. The position is not particularly limited as long as the position of the presser ring 4 can be determined, and the pressing ring 4 may be provided on the front surface side or the side surface side of the flange portion 23 of the joint body 2. However, in the case of the present embodiment, the engagement portion 21 is located in the gap between the faucet box 5 and the joint body 2 which is formed by the mounting base 53 with the pipe joint 1 fixed in the faucet box 5. It is preferable that the engaging portion 21 does not get in the way and the void can be effectively used.

[0026]

As described above, according to the present invention, since the bolt fastening portion of the retaining ring can be always positioned at the predetermined position of the joint body, the faucet box joint is arranged in a narrow faucet box. In this case, the bolt fastening portion and the bolt do not interfere with the faucet box, and the placement work can be easily performed.

Moreover, since the bolt can be always fastened at a predetermined position by positioning the bolt fastening portion,
There is no need to hold the retaining ring by hand when fastening. Therefore, when the fastening work is performed using the electric drill or the like, the electric drill can be held by both hands, the construction can be easily performed, and the work can be performed safely.

[Brief description of drawings]

FIG. 1 is a cross-sectional view, a front view, and a rear view showing the outline of the overall configuration of a faucet hox joint.

FIG. 2 is a cross-sectional view showing a state in which a water faucet box joint is installed inside a water faucet box.

FIG. 3 is a front view showing a state in which the water faucet box joint is installed in the water faucet box.

FIG. 4 is a front view and a rear view showing another embodiment of the water faucet box joint.

FIG. 5 is a partial perspective view showing another embodiment of the engaging portion.

FIG. 6 is a perspective view showing still another embodiment of the engaging portion.

FIG. 7 is a perspective view showing still another embodiment of the engaging portion.

[Explanation of symbols]

 1 Faucet Box Joint 2 Joint Body 21 Engagement Part 22 Guide Part 4 Holding Ring 41 Engagement Part 42 Bolt Fastening Part 43 Bolt 6 Connection Pipe

Claims (1)

[Claims] 1. A joint, which is arranged and fixed in a water faucet box, has a joint body having a cylindrical guide portion that is fitted in a connection pipe, and is inwardly provided by bolt fastening provided on the outer periphery of the guide portion. The holding ring to be pressed is provided, and the joint body and the holding ring are provided with engaging portions that restrict the movement of the holding ring in the circumferential direction to engage with each other, and the bolt fastening portion of the holding ring is always the joint. A faucet box joint characterized by being positioned at a predetermined position of a main body.