JP4296578B2 - Faucet fittings - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a faucet joint that is attached to a wall surface, a floor surface, or a mounting surface such as a counter and supplies hot water to a single water faucet or hot water mixing tap.
[0002]
[Prior art]
Conventionally, a faucet joint is integrally attached with a pipe connecting part for connecting pipes, a fixing part for fixing to a mounting surface, and a faucet connecting part for connecting with a water faucet. Moreover, after fixing a box to a housing like Unexamined-Japanese-Patent No. 1-263327, the faucet joint from the pipe connection part to the faucet connection part was attached and fixed to the box.
[0003]
[Problems to be solved by the invention]
However, if the pipe connection part and the faucet connection part are integrally fixed as described above, it is difficult to fix the faucet joint when the pipe is twisted or bent. Even after fixing, excessive force was still applied to the piping and joints. Accordingly, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a degree of freedom in the connecting portion of the pipe and absorb an unreasonable force caused by twisting or bending of the pipe and the joint. It is in providing a faucet joint.
[0004]
[Means for Solving the Invention]
In order to solve the above problems, the faucet joint of the present invention is a faucet joint that is installed on a mounting surface and connects a pipe and a faucet, and a faucet connection between the pipe and the faucet. And a pipe body that is fixed to the mounting surface, the pipe connection portion and the faucet connection portion are provided with the pipe connection portion at one end and the water faucet connection portion at the other end. The cylindrical body is inserted into the insertion hole of the joint body, the cylindrical body is rotatable about the axis of the insertion hole of the joint body, and the movement in the axial direction is restricted. It is characterized by being regulated by.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings of the embodiments. FIG. 1 is a reference example showing the form of a faucet joint. The joint body 1 includes a fixing portion 3 to the mounting surface 2, a faucet connection portion 5 of a single faucet 4 as a faucet, a tubular connection body 6 as a pipe connection portion, and a tubular connection body 6. An insertion hole 7 is provided for inserting the. As a means for fixing the mounting surface 2 and the fixing portion 3 of the joint body 1, the inside of the flange portion 8 having a threaded hole in the joint body 1 is applied to the mounting surface 2, and the screw 9 directly passes through the through hole from the front surface. It is fixed to the mounting surface 2. As a means for attaching the single water faucet 4, a water-tight means such as a seal tape is applied to the water faucet connection part 5 provided in the joint body 1 or the connection part 40 of the single water faucet 4 and is attached by screwing.
[0006]
The connection between the tubular connecting body 6 and the joint body 1 is provided with annular grooves 41 and 42 at one end of the tubular connecting body 6, and O-rings 43 and 44 are fitted into the annular grooves 41 and 42. By being inserted into one insertion hole 7, they are connected in a watertight manner. By bending the cylindrical connecting body 6 on the back side of the mounting surface 2, when there is not enough space on the back side of the mounting surface 2, the bending of the pipe 11 is reduced or reduced, and the pipe 11 and the faucet joint are connected. Unreasonable force due to restoring force can be reduced or absorbed. Moreover, the pipe connection side of the cylindrical body 6 has an adapter shape so that the pipe 11 can be directly connected in a watertight manner.
[0007]
As a means for restricting the cylindrical connecting body 6 in the axial direction, a retaining ring 13 is fitted into a groove 12 provided in the cylindrical connecting body 6, and the holder 14 is fixed to the joint body 1 with a screw 15. 14 and the step 45 of the joint body 1. For this reason, the cylindrical connecting body 6 is rotatable with respect to the axis of the joint main body 1 and movement in the axial direction is restricted, so that the cylindrical connecting body 6 does not come out of the joint main body 1. After the cylindrical connecting body 6 is fixed to the joint main body 1, the pipe 11 may be connected to the cylindrical connecting body 6 after being fixed to the attachment surface 2 together with the joint main body 1. After connecting 11, the cylindrical connecting body 6 may be inserted into the insertion hole of the joint body 1 and fixed.
[0008]
2 is a partial sectional view showing the first embodiment of the present invention, and FIG. 3 is an exploded perspective view of the first embodiment . Hereinafter, differences from the reference example will be described. As fixing means for the attachment surface 2 and the fixing portion 3 of the joint body 50, a flange portion 51 having a female screw hole 18 provided with the attachment surface 2 in the joint body 50 through the attachment hole 17 and a screw through hole 52 were provided. It is sandwiched between the fixed washer 19 and tightened with a screw 53 through the spring washer 20.
[0009]
As the water tap, a hot water / water mixing tap 16 is shown. The water supply tubular body 21 and the hot water supply tubular body 22 having the pipe connection portion 54 on one side and the faucet connection portion 55 on the other side are inserted through the insertion holes 56 of the joint body 50. As a means for attaching the hot and cold water mixing plug 16, the water supply and hot water supply connection portions 23 and 23 of the hot and cold water mixing plug 16 are inserted into the water supply cylindrical body 21 and the hot water supply cylindrical body 22, and then the cap nut provided in the hot and cold mixing plug 16 is provided. At 24, it is fastened and fixed by screwing into the male threaded portion 57 of the faucet body.
[0010]
Although the water supply cylindrical body 21 and the hot water supply cylindrical body 22 are linear, chamfered portions 25 and 25 are provided respectively so that the water supply cylindrical body 21 and the hot water supply cylindrical body 22 do not rotate when the pipe is connected. Rotation is prevented by contact between 25 and 25. Further, the water supply tubular body 21 and the hot water supply tubular body 22 are inserted with a slight gap from the joint body 50 so as to cope with the center-to-core error of the hot-water mixing tap 16. The insertion hole 56 of the joint body 50 into which the water supply cylindrical body 21 and the hot water supply cylindrical body 22 are inserted is formed in a row in order to reduce the inter-center distance and the connection portion. One end of each of the water supply tubular body 21 and the hot water supply tubular body 22 is provided with screws 58 and 58 as a pipe connection portion, and the other end is an O-ring 10, 10 or as a faucet connection portion with the hot-water mixing tap 16. It is connected in a watertight manner with U packing.
[0011]
As a locking means for the water supply tubular body 21 and the hot water supply tubular body 22, hook-shaped protrusions 26, 26 are provided at the connection ends of the hot water mixing plugs 16 of the water supply tubular body 21 and the hot water supply tubular body 22. , 26 so that the end face 27 of the hot and cold water mixing tap comes into contact with the connecting face of the hot water and water mixing tap, and the joint body side face 29 of the protrusions 26 and 26 comes into contact with the joint body 50.
By connecting the hot water mixing plug 16 directly to the water supply cylindrical body 21 and the hot water supply cylindrical body 22 in this way, the joint main body 50 is not allowed to pass water, so it is not necessary to use a material having primary pressure resistance and corrosion resistance. Economic efficiency is also improved. Moreover, since it becomes a separate body with a gap, the heat insulating effect of the joint body 50 is also obtained. Furthermore, the heat insulation effect is improved by forming the joint body 50 from synthetic resin or the like.
[0012]
FIG. 4 is a sectional view showing a second embodiment of the present invention. Hereinafter, differences from the reference example and the first embodiment will be described. A water supply tubular body 62 and a hot water supply tubular body 63 provided with a groove 61 into which the locking ring 60 is inserted in the outer peripheral portion are inserted from the rear surface of the joint body 64, and the notch shown in a perspective view in FIG. After mounting the integrated locking ring 65 provided with the ring or the locking rings 60 and 60 of hot and cold water shown in a perspective view in FIG. 5, the holding tool 66 is fixed from the front by a contact screw 67 and bent. While the water supply tubular body 62 and the hot water supply tubular body 63 can be inserted into the joint main body 64 from the back side of the mounting surface 2, the degree of freedom in the rotation direction of the water supply tubular body 62 and the hot water supply tubular body 63 is maintained, and the hot water mixing tap The water supply cylindrical body 62 and the hot water supply cylindrical body 63 can be held on the joint body 64 before connection of 67. Further, the insertion holes 68 and 69 of the joint main body 64 for inserting the water supply cylindrical body 62 and the hot water supply cylindrical body 63 have two through holes for passing the water supply cylindrical body 62 and the hot water supply cylindrical body 63, respectively. ing. The water supply tubular body 62 and the hot water supply tubular body 63 are fixed to the attachment surface 2 together with the joint main body 64 while being fixed to the joint main body 64, and then a pipe is connected to the water supply tubular body 62 and the hot water supply tubular body 63. Alternatively, after connecting the pipes to the water supply cylindrical body 62 and the hot water supply cylindrical body 63, the water supply cylindrical body 62 and the hot water supply cylindrical body 63 are inserted into the insertion holes 68 and 69 of the joint body 64 and fixed. Also good.
[0013]
FIG. 7 is a sectional view showing a third embodiment of the present invention. Hereinafter, differences from the reference example and the first and second embodiments will be described. As a means for watertight connection between the hot and cold water mixing plug 70 and the water faucet joint 71, the packing body shown in a perspective view in FIG. 33, the hot and cold water mixing plug 70 was tightened with the cap nut 24, and the packing 33 was pressure-bonded by the connection surface to make it watertight. Until the cap nut 24 is tightened, the water supply cylindrical body 76 and the hot water supply cylindrical body are rotatable, so that piping is easy as in the first to third embodiments. After the water supply cylindrical body 76 and the hot water supply cylindrical body are fixed to the fitting body 72 together with the joint main body 72, the pipe 77 is connected to the water supply cylindrical body 76 and the hot water supply cylindrical body. Alternatively, after connecting the pipe 77 to the water supply cylindrical body 76 and the hot water supply cylindrical body, the water supply cylindrical body 76 and the hot water supply cylindrical body may be inserted into the insertion hole of the joint body 72 and fixed.
[0014]
FIG. 9 is a sectional view showing a fourth embodiment of the present invention. Hereinafter, differences from the reference example and the first to third embodiments will be described. As a means for attaching the hot / cold mixing tap 80, a through hole 81 or a female screw hole was provided on the hot / water mixing tap side, and fixed to the joint body 82 with a set screw 34. Further, as a means for locking the joint body 82, the water supply cylindrical body 83, and the hot water supply cylindrical body, a locking groove 84 is provided in the water supply cylindrical body 83 and the hot water supply cylindrical body, so that the water supply cylindrical body 83 and the hot water supply cylindrical body are provided. And fixed with a stop screw 85. The fixing screw 85 for locking can be integrated with the mounting screw hole 35. Further, as shown in FIG. 10, one of the locking tools can be integrated by making one of them into a rod-shaped locking portion 36 and connecting them with a spring 37. Until the locking screw 85 is locked or fixed, the water supply tubular body 83 and the hot water supply tubular body are rotatable, and therefore, the pipe connection is easy as in the first to fourth embodiments. After the water supply tubular body 83 and the hot water supply tubular body are fixed to the fitting body 82 together with the joint main body 82, the water supply tubular body 83 and the hot water supply tubular body may be connected to the water supply tubular body 83 and the hot water supply tubular body. Then, after connecting the pipe to the water supply tubular body 83 and the hot water supply tubular body, the water supply tubular body 83 and the hot water supply tubular body may be inserted into the insertion hole of the joint body 82 and fixed.
[0015]
FIG. 11 is a sectional view showing a fifth embodiment of the present invention. Hereinafter, differences from the reference example and the first to fourth embodiments will be described. Since the pipe connection portion 38 is already water-tightly connected to the pipe 11, the water supply tubular body 85, and the hot water supply tubular body at the time of shipment from the factory, there is no connection place on the back side of the wall at the site, and the faucet on the wall front side As there are only connection points, the risk of leakage that is difficult to find behind the wall is reduced, and work on site can be reduced. The water supply tubular body 85 and the hot water supply tubular body are inserted into the insertion hole 92 from the piping side of the joint main body 87, and the locking ring 91 is fitted into the water supply tubular body 85 and the annular groove 89 of the hot water supply tubular body. The water supply tubular body 85 and the hot water supply tubular body are pulled back to the pipe side, and the locking ring 90 is fitted into the annular groove 88 of the water supply tubular body 85 and the hot water supply tubular body. Therefore, the water supply cylindrical body 85 and the hot water supply cylindrical body are regulated in the axial direction in the insertion hole 92 of the joint body 87 by the locking rings 90 and 91 fitted in the annular grooves 88 and 89, and are accommodated rotatably. Yes. A connecting portion 94 of a hot and cold water mixing plug 80 is watertightly connected to the water supply tubular body 85 and the water tap connecting portion 93 of the hot water supply tubular body by O-rings 95 and 96. Further, the hot and cold water mixing plug 80 has a flange 97 fixed to the water faucet body with screws 98.
[0016]
The forms described above are the form of the faucet, the shape of the joint body, the structure of the fixing part, the shape of the tubular body, the locking structure, the faucet mounting structure, the watertight mounting structure, the structure of the pipe connection part and the time of shipment. These forms can be implemented in combination with each other, and the form of the faucet joint may be changed as appropriate without departing from the spirit of the present invention.
[0017]
【The invention's effect】
The present invention exhibits the following effects by the above configuration. In the faucet joint that is installed on the mounting surface and connects the pipe and the faucet, the pipe connection portion with the pipe, the fixing portion to the mounting surface, the faucet connection portion with the faucet, and the fitting body, Since the pipe connection portion is provided variably with respect to the joint body, the pipe connection portion has a degree of freedom, so that an unreasonable force due to pipe twisting or bending can be absorbed.
[0018]
Since the pipe connection portion is provided so as to be rotatable about the axis of the insertion hole of the joint body, the pipe connection portion has a degree of freedom in the rotation direction, so that excessive force due to twisting or bending of the pipe can be absorbed.
[0020]
The pipe connection part and the faucet connection part are constituted by a tubular body provided with a pipe connection part at one end and a faucet connection part at the other end, and the tubular body is inserted into the insertion hole of the joint body , The cylindrical body is rotatable with respect to the joint body, and the movement in the axial direction is restricted by the restriction means. Therefore, since the water does not pass through the joint body, a material having primary pressure resistance and corrosion resistance is used. Since it is not necessary, the economy is improved. It is possible to form the joint body from a synthetic resin or the like, and the heat insulation effect is improved with economic efficiency.
[Brief description of the drawings]
FIG. 1 is a side partial cross-sectional view of a faucet joint as a reference example .
FIG. 2 is a partial side sectional view of a faucet joint according to a first embodiment of the present invention.
FIG. 3 is an exploded perspective view of FIG. 2;
FIG. 4 is a top sectional view of a faucet joint according to a second embodiment of the present invention.
FIG. 5 is a perspective view of an embodiment of a locking ring.
FIG. 6 is a perspective view of another embodiment of a locking ring.
FIG. 7 is a side partial sectional view of a faucet joint according to a third embodiment of the present invention.
FIG. 8 is a perspective view of a packing according to a third embodiment .
FIG. 9 is a partial cross-sectional side view of a faucet joint according to a fourth embodiment of the present invention.
FIG. 10 is a side view of another embodiment of a locking tool.
FIG. 11 is a cross-sectional view of a faucet joint according to a fifth embodiment of the present invention.

Claims (1)

Is placed on the mounting surface, the faucet joint for connecting pipes and taps, comprising a pipe connection portion between the pipe and the faucet connection portion between the faucet, and a joint body that is fixed to the mounting surface ,
The pipe connection part and the faucet connection part are configured by a tubular body provided with the pipe connection part at one end and the faucet connection part at the other end, and the tubular body is inserted through the joint body. The water faucet joint is characterized in that the cylindrical body is rotatable about the axis of the insertion hole of the joint body, and the movement in the axial direction is restricted by a restricting means .

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