JP3643216B2 - Saddle tap with saddle - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a water faucet with a saddle, and more particularly to a water faucet with a saddle used for branching a water supply pipe from a water main.
[0002]
[Prior art]
In this type of conventional water faucet with a saddle, the water faucet to which one end of the water supply pipe is connected is fixedly connected to the saddle attached to the outer peripheral surface of the main pipe by a screw connection or the like. The direction could not be adjusted according to the piping direction of the water supply pipe.
[0003]
[Problems to be solved by the invention]
In the prior art, since the direction of the water faucet could not be adjusted, there was a problem that workability when connecting the water supply pipe to the water faucet was poor.
Therefore, a main object of the present invention is to provide a saddle-equipped water faucet that can improve workability.
[0004]
[Means for Solving the Problems]
The invention of claim 1 in the saddle with diversion plug attached to the outer peripheral surface of the resin tube, have a joint surface that is curved at a predetermined curvature, heating elements resin saddles provided for fusing on the inner surface thereof, the resin A short pipe portion protruding from the center of the saddle made and having an external thread on the outer peripheral surface, a main body having one end fitted to the inner peripheral surface of the short pipe portion, and formed on the outer peripheral surface of the main body. A metal adapter having a hook locked to the end face, a cap nut having a pressing portion that is screwed to the male screw and presses the hook against the end face of the short pipe portion, and a part connected to the other end of the metal adapter equipped with a faucet, you fusing the resin tube and the resin saddle, it is a watershed with stopper saddle.
According to a second aspect of the present invention, there is provided a saddle-equipped water faucet attached to an outer peripheral surface of a resin pipe, a resin saddle having a joining surface curved with a predetermined curvature, and a heat generating body for fusion provided on the inner surface thereof. A main body having a male pipe threaded on the outer peripheral surface, a short pipe portion having a male screw on the outer peripheral surface, and a female screw of the short pipe portion on the outer peripheral surface; A metal adapter having a rubber ring mounted on a rubber ring mounting groove formed on the outer peripheral surface of one end of the main body, and a hook formed on the outer peripheral surface of the main body and locked to the end surface of the short pipe portion, and a short pipe A cap nut having a pressing portion that is screwed to the male screw of the portion and presses the flange against the end surface of the short tube portion, and a water faucet connected to the other end of the metal adapter, and a resin tube and a resin saddle; It is a water faucet with a saddle that fuses.
A third aspect of the present invention is the saddle-equipped water faucet according to the first aspect, wherein a spacer is interposed between the end face of the short pipe portion and the flange.
[0005]
A fourth aspect of the present invention, in the saddle with diversion plug attached to the outer peripheral surface of the resin tube, a predetermined have a curved bonding surface with a curvature, the resin saddle heating element is provided fusing on the inner surface, A short pipe part or metal comprising a short pipe part protruding from the center part of the resin saddle, a metal adapter having an integrally formed resin part , and a water faucet connected to the other end of the metal adapter Ltd. adapter either of the inner peripheral surface near the heating element of the resin portion provided in the resin portion of the short tube portion and the metal adapter fused, fused resin tube and the resin saddle, with the saddle It is a faucet.
[0006]
[Action]
According to the first and second aspects of the present invention, the adapter is fixed to the saddle by pressing the flange against the end surface of the short pipe portion with a cap nut. Therefore, in a state where the cap nut is loosened, the adapter can be rotated with respect to the saddle, and the direction of the water faucet connected to the adapter can be adjusted. Moreover, the height of the water faucet can be adjusted by inserting a spacer between the end face of the short tube portion and the flange.
[0007]
In the invention of claim 4 , since the adapter is fixed to the saddle by fusing one end of the adapter to the short tube portion, the adapter can be rotated with respect to the saddle before fusing and connected to the adapter. The direction of the water faucet can be adjusted.
[0008]
【The invention's effect】
According to this invention, can be adjusted to the orientation and height of diversion plug, the workability can be improved when connecting the water supply pipe to the water diversion plug.
The above object, other objects, features and advantages of the present invention will become more apparent from the following detailed description of embodiments with reference to the drawings.
[0009]
【Example】
1 is for branching a water supply pipe 14 from a water main pipe 12 made of a polyolefin resin such as polyethylene, and is provided on the outer peripheral surface of the main pipe 12. It includes a saddle 16 to be attached, a water faucet 18 to which one end of the water faucet 14 is connected, an adapter 20 for connecting the saddle 16 and the water faucet 18, a cap nut 22 for fixing the adapter 20 to the saddle 16, and the like.
[0010]
The saddle 16 is made of the same polyolefin resin as that of the main pipe 12 and includes a main body 24 having a substantially semicircular cross section. The inner surface of the main body 24, that is, a bonding surface, is made of a nichrome wire, a magnetic alloy, or the like. A heating element 26 is provided. Further, a hole 28 is formed in the central portion of the main body 24, and a short pipe portion 30 is formed rising from the vicinity of the inner peripheral edge of the hole 28. A male screw 32 is formed on the outer peripheral surface of the short tube portion 30. And the clamp part 36 which has a substantially semicircular cross section through the hinge part 34 is connected to the one end part of the circumferential direction of the main body 24 so that opening and closing is possible, and each opening / closing side edge part of the main body 24 and the clamp part 36 is connected. An attachment portion 40 for attaching the bolt / nut 38 is formed.
[0011]
The water faucet 18 includes a main body 42 made of a metal such as bronze. An outflow port 44 is formed in the side portion of the main body 42, an inflow port 46 is formed in the lower part, and a male screw 48 is formed on the outer peripheral surface of the inflow port 46. A substantially L-shaped water passage 50 that communicates the outlet 44 and the inlet 46 is formed inside the main body 42, and a ball (not shown) having a valve function is provided in the middle of the water passage 50. Further, a plug bar 52 for opening and closing the ball is provided on the side of the main body 42 opposite to the outlet 44.
[0012]
The adapter 20 is made of a metal such as bronze and includes a main body 54 having an outer diameter that is approximately the same size as the inner diameter of the short tube portion 30. A rubber ring mounting groove 56 is formed on the outer peripheral surface of the one end portion of the main body 54, a female screw 58 is formed on the inner peripheral surface of the other end portion, and a flange 60 is formed on the outer peripheral surface of the axial central portion of the main body 54. Is done. A rubber ring 62 is mounted in the rubber ring mounting groove 56.
[0013]
Then, one end of the adapter 20 is fitted to the inner peripheral surface of the short pipe portion 30, the cap nut 22 is screwed to the male screw 32 of the short pipe portion 30, and the male screw of the water faucet 18 is fitted to the female screw 58 of the adapter 20. 48 is screwed together.
When connecting the water supply pipe 14 to the main pipe 12 using the water tap 10 with saddle, first, the saddle 16 is positioned on the outer peripheral surface of the main pipe 12, and the bolts and nuts 38 of the mounting portion 40 are tightened to form the saddle. The 16 joining surfaces are brought into close contact with the outer peripheral surface of the main pipe 12. Subsequently, the heating element 26 of the saddle 16 is energized using an energizing device (not shown), and the resin around the heating element 26 is heated and melted to fuse the saddle 16 and the main pipe 12 together. When the fused portion is cured, the adapter 20 and the water faucet 18 are rotated with the cap nut 22 loosened to adjust the direction of the water faucet 18. Then, the cap nut 22 is tightened, and the adapter 20 and the water faucet 18 are fixed to the saddle 16 by pressing the flange 60 against the upper end surface of the short pipe portion 30 with the pressing portion 22a. Thereafter, a drilling jig is inserted from the upper part of the water faucet 18 to form a hole 64 in the pipe wall of the main pipe 12, and the water supply pipe 14 is connected to the outlet 44 of the water faucet 18 through a joint 66. However, the connection procedure is not limited to this, and may be changed as appropriate according to the field situation.
[0014]
According to this embodiment, since the direction of the water faucet 18 can be adjusted by loosening the cap nut 22, workability when connecting the water supply pipe 14 to the water faucet 18 can be improved, and the piping route of the water supply pipe 14 It is possible to easily cope with the case of changing.
In the above-described embodiment, one end of the adapter 20 is simply fitted to the inner peripheral surface of the short pipe portion 30. For example, as shown in FIGS. 54), an external thread 68 as an engaging portion may be formed on the outer peripheral surface, an internal thread 70 may be formed on the inner peripheral surface of the short tube portion 30, and the external screw 68 and the internal screw 70 may be screwed together. Also, as shown in FIG. 4, a substantially saw blade-like blade 72 as an engaging portion is formed on the outer peripheral surface of the adapter 20 (main body 54) so that the blade 72 bites into the inner peripheral surface of the short tube portion 30. It may be. In this way, when the outer peripheral surface of the adapter 20 and the inner peripheral surface of the short tube portion 30 are engaged with each other, the strength of the branching portion is greatly increased compared with the case where the adapter 20 is simply fitted (FIG. 1). According to this, it can be improved to about 35 to 40%).
[0015]
Further, instead of the adapter 20, an adapter 76 having a punching function as shown in FIG. The adapter 76 includes a main body 78. Inside the main body 78, a cylindrical holding member 82 having a cylindrical perforated blade 80 screwed to an inner peripheral surface is supported by a rib 84. When forming the hole 64 in the main pipe 12, a jig inserted from the upper part of the water faucet 18 is fitted into a hexagonal hole 86 formed in the upper end portion of the drilling blade 80, and the drilling blade 80 is used with this jig. Rotate to lower and push the blade edge against the main pipe 12 to pierce. After perforating, the perforating blade 80 is turned up in the reverse direction.
[0016]
6 is configured such that the lengths of the adapter 20 and the cap nut 22 are set longer than those of the embodiment of FIG. 1, and the upper end surface of the short pipe portion 30 and the trough 60 are set. The height of the water faucet 18 can be adjusted by mounting a spacer 90 between the two. As shown in FIG. 7, the spacer 90 is formed in a half ring shape having a predetermined thickness, and two spacers 90 are attached as one set. The length of the cap nut 22 is set to a length corresponding to the number of sets of the spacers 90 to be mounted, and the length of the adapter 20 holds the cap nut 22 between the water faucet 18 and the trough 60. Therefore, it is set to a length that can secure a space.
[0017]
When the spacer 90 is mounted, as shown by a two-dot chain line in FIG. 6, the cap nut 22 is detached from the short pipe portion 30 and lifted, and the spacer 90 is mounted by being distributed above and below the flange 60. At this time, when all the spacers 90 are attached to the lower side of the jar 60, the position of the water faucet 18 becomes the highest as shown in FIG. The position of the plug 18 is lowest (not shown). When one set or two sets of spacers 90 are attached to the lower side of the flange 60 and the rest are attached to the upper side, the water faucet 18 is positioned between the highest position and the lowest position, for example, as shown in FIG. it can.
[0018]
According to the embodiment of FIG. 6, since not only the direction of the water faucet 18 but also the height can be adjusted, the connection workability of the water supply pipe 14 can be further improved. Also, the same number of sets of spacers 90 are always disposed between the upper end surface of the short tube portion 30 and the pressing portion 22a of the cap nut 22, and the positional relationship between the short tube portion 30 and the cap nut 22 does not vary. The cap nut 22 and the short pipe portion 30 can always be connected under the same conditions.
[0019]
9 uses an adapter 98 in which a resin portion 96 is integrally formed on the outer peripheral surface of a metal portion 94, and a heating element 100 near the inner peripheral surface of the short tube portion 30. The resin portion 96 and the short tube portion 30 are fused by heating the heating element 100.
According to the embodiment of FIG. 9, the adapter 98 can be rotated with respect to the saddle 16 before fusion, so that the direction of the water faucet 18 can be arbitrarily adjusted.
[0020]
9, the water faucet 18 and the adapter 98 are formed as separate parts. However, for example, as shown in FIG. 10, the water faucet 18 and the adapter 98 may be integrally formed. . Further, instead of the adapter 98, for example, a resin adapter 106 in which a portion where the internal thread 102 is formed is reinforced by a reinforcing ring 104 as shown in FIG. 11 may be used.
[0021]
12, the saddle-equipped water faucet 108 of another embodiment has a rubber ring 110 interposed between the metal portion 94 and the resin portion 96 of the adapter 98, and the resin portion 96 is vertically moved on the outer peripheral surface of the metal portion 94. Stoppers 112 and 114 for positioning in the direction are integrally formed so that the metal portion 94 can rotate with respect to the resin portion 96 fused to the short tube portion 30.
[0022]
According to the embodiment shown in FIG. 12, the orientation of the water faucet 18 can be adjusted even after the resin portion 96 is fused to the short pipe portion 30. In addition, when an external force is applied to the water faucet 18 due to ground displacement due to an earthquake or the like, the water faucet 18 rotates according to the external force, so that the water faucet 18 can be prevented from being damaged.
In the embodiment shown in FIG. 12, the stoppers 112 and 114 are formed integrally with the metal portion 94 of the adapter 98. However, the lower stopper 114 is formed with the metal portion 94 as shown in FIGS. May be formed as a separate part. That is, the stopper 114 shown in FIG. 13 is obtained by screwing a ring-shaped stopper member 118 having an internal thread 116 on the inner peripheral surface thereof with an external thread 120 formed on the outer peripheral surface of the lower end portion of the metal adapter 94, as shown in FIG. The stopper 114 is formed by fitting a substantially C-ring shaped stopper member 122 as shown in FIG. 15 into a groove 124 formed on the outer peripheral surface of the lower end portion of the metal portion 94.
[0023]
Also in the embodiment of FIG. 12, as shown in FIG. 16, the water tap 18 and the adapter 98 may be integrally formed.
9 and 12, the heating element 100 is provided in the vicinity of the inner peripheral surface of the short tube portion 30, and the adapter 98 is fitted to the inner peripheral surface of the short tube portion 30. As shown in FIGS. 17 and 18 with saddle-equipped faucets 126 and 128, the resin portion 132 of the adapter 130 is formed to extend further downward from the lower end of the metal portion 134, and heat is generated near the inner peripheral surface of the resin portion 132. A body 136 may be provided, and the resin portion 132 may be fitted to the outer peripheral surface of the short tube portion 30.
[0024]
Furthermore, as a method for joining the saddle 16 and the main pipe 12, a mechanical method using a clamp, a wire or the like may be used in addition to the above-described fusion bonding. However, in this case, it is necessary to insert a water stop material such as a gasket between the outer peripheral surface of the main pipe and the inner peripheral surface of the saddle. In the embodiment of FIG. 1 and FIG. 6 in which the saddle 16 and the adapter 20 are joined by the cap nut 22, when the saddle 16 and the main pipe 12 are joined by a mechanical joining method, the saddle is used. 16 (including the short tube portion 30) may be formed of a material other than the polyolefin-based resin.
[Brief description of the drawings]
FIG. 1 is an illustrative view showing one embodiment of the present invention;
FIG. 2 is an illustrative view showing a modified example of an adapter.
FIG. 3 is an illustrative view showing a modification of the adapter.
FIG. 4 is an illustrative view showing a modified example of the adapter.
FIG. 5 is an illustrative view showing a modified example of the adapter.
FIG. 6 is an illustrative view showing another embodiment of the present invention.
FIG. 7 is a perspective view showing a spacer.
FIG. 8 is an illustrative view showing a state in which the height of the water faucet is changed in the embodiment of FIG. 6;
FIG. 9 is an illustrative view showing another embodiment of the present invention.
FIG. 10 is an illustrative view showing a modified example of the adapter.
FIG. 11 is an illustrative view showing a modified example of the adapter.
FIG. 12 is an illustrative view showing another embodiment of the present invention.
FIG. 13 is an illustrative view showing a modified example of the stopper.
FIG. 14 is an illustrative view showing a modified example of the stopper.
FIG. 15 is a perspective view showing a stopper member.
FIG. 16 is an illustrative view showing a modified example of the adapter.
FIG. 17 is an illustrative view showing another embodiment of the present invention.
FIG. 18 is an illustrative view showing another embodiment of the present invention.
[Explanation of symbols]
10 ... Saddle with faucet 12 ... Main pipe 14 ... Water supply pipe 16 ... Saddle 18 ... Water faucet 20 ... Adapter 22 ... Cap nut 60 ... 鍔

Claims (4)

In the water tap with saddle attached to the outer peripheral surface of the resin pipe,
Predetermined have a curved bonding surface with a curvature, the resin saddle provided with a heating element fusing on the inner surface thereof,
A short pipe portion protruding from the center of the resin saddle and having an external thread on the outer peripheral surface;
A metal adapter having a main body with one end fitted to the inner peripheral surface of the short pipe portion, and a hook formed on the outer peripheral surface of the main body and locked to the end surface of the short pipe portion;
A cap nut that is screwed onto the male screw and has a pressing portion that presses the flange against an end surface of the short tube portion; and a water faucet connected to the other end of the metal adapter ,
You fused with the resin saddle and the resin tube, diversion stoppered saddle. In the water tap with saddle attached to the outer peripheral surface of the resin pipe,
A resin saddle having a joining surface curved with a predetermined curvature and having a heat-generating member for fusion on its inner surface;
A short pipe portion that protrudes from the central portion of the resin saddle, has an external thread on the outer peripheral surface, and has an internal thread on the inner peripheral surface;
Formed on the outer peripheral surface of the main body, a main body having a male screw threadedly engaged with the female screw of the short tube portion on the outer peripheral surface, a rubber ring mounted in a rubber ring mounting groove formed on the outer peripheral surface of one end of the main body A metal adapter having a hook that is locked to the end face of the short pipe portion,
A cap nut having a pressing portion that is screwed to the male screw of the short tube portion and presses the flange against an end surface of the short tube portion; and
A water faucet connected to the other end of the metal adapter,
A saddle-equipped water faucet for fusing the resin pipe and the resin saddle .   The water faucet with a saddle according to claim 1, wherein a spacer is interposed between an end face of the short pipe portion and the flange. In the water tap with saddle attached to the outer peripheral surface of the resin pipe,
Predetermined have a curved bonding surface with a curvature, the resin saddle provided with a heating element fusing on the inner surface thereof,
A short pipe portion protruding from the central portion of the resin saddle,
A metal adapter having an integrally formed resin portion , and a water faucet connected to the other end of the metal adapter ,
A heating element is provided in the vicinity of the inner peripheral surface of either the short pipe part or the resin part of the metal adapter,
Fusing the short pipe part and the resin part of the metal adapter,
You fusing the resin saddle and the resin tube, diversion stoppered saddle.

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