JP2003328412A - Water discharge pipe changing adaptor in mixing faucet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a water discharge pipe changing adaptor in a mixing faucet capable of easily and later installing a water discharge pipe incorporating a water purifying cartridge therein instead of the water discharge pipe for the mixing faucet without a water purifying function. <P>SOLUTION: The water discharge pipe for the mixing faucet equipped with the trunk 2 having a hot watercourse, a cold watercourse and a mixing watercourse M and a first cylindrical trunk cover for covering a water discharge body forming a discharge watercourse and the trunk 2 is removed from the trunk 2, the adaptor 60 consisting of two members is used for mounting the water discharge pipe consisting of the water discharge pipe body incorporating the water purifying cartridge therein and a second cylindrical trunk cover to the trunk 2, the first member 61 having a watercourse connectable to the hot watercourse, the cold watercourse and the mixing watercourse is mounted on the upper surface (n) of the trunk 2, and the second member 62 has such a cylindrical shape that the trunk 2 and the first member 61 can be inside fitted and that the second cylindrical trunk cover can be outside fitted. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water discharge pipe having a water purification cartridge built in a water discharge pipe main body after removing a water discharge pipe of a hot water / water mixing faucet having no water purification function from the body of the water / water mixing faucet. The present invention relates to a spout pipe replacement adapter in a hot and cold water mixing faucet used for attaching to a body.

[0002]

2. Description of the Related Art As a hot and cold water mixing faucet, as shown in FIG. 4, a hot water flow passage H communicating with the hot water supply flow passage and a water flow passage communicating with the water supply flow passage (not shown). No.) and the body 2 having an annular mixing flow passage M through which hot and cold mixed water flows, and the water discharge pipe body 3 and the body 2 forming a water discharge flow passage J communicating with the mixing flow passage M through the communication holes 27 are detachable. And a flexible hose 8a for forming a hot water flow path H in a single through hole 7 formed by vertically penetrating the hot and cold water mixing valve mounting surface portion 6 and a water discharge pipe 5 having a cylindrical body cover 4 covering the same. Although there is a one-hole mixed faucet 1 with a single lever 9 through which a flexible hose 8b (see FIG. 1) that forms a passage is inserted, even with the same one-hole mixed faucet, the hot water flow path as shown in FIG. (Not shown), water channel C and hot and cold water mixing And a water discharge pipe 5'having a water discharge pipe body 3'having a water purification cartridge 10 and a cylindrical cylinder cover 4'removably covering the cylinder 2 '. Since it is not a hot and cold water mixing faucet 1'with a water purifying function, the hot and cold water mixing faucet 1 itself is used when a water purifying function is desired.
There was a problem that it had to be replaced with a new one, which was expensive.

The present invention has been made in consideration of the above circumstances, and the water discharge pipe containing the water purification cartridge can be easily retrofitted by replacing it with a water discharge pipe of a hot and cold water mixing faucet having no water purification function. It is an object of the present invention to provide an adapter for exchanging a water discharge pipe in a hot and cold water mixing faucet that can be manufactured.

[0004]

That is, an outlet pipe replacement adapter in a hot and cold water mixing faucet according to the present invention comprises a hot water flow passage communicating with a hot water supply flow passage, a water flow passage communicating with the water supply flow passage, and a hot and cold water mixture. Water having a mixing flow passage, a water discharge pipe main body forming a water discharge flow passage communicating with the mixing flow passage, and a water discharge pipe having a first cylindrical drum cover that detachably covers the drum. Firstly, the water discharge pipe of a hot and cold water mixing faucet having no function is removed from the body, and a water discharge pipe including a water discharge pipe main body containing a water purification cartridge and a second cylindrical body cover is attached to the body. An adapter comprising a member and a second member, wherein the first
The member has flow paths that can respectively communicate with the hot water flow path, the water flow path, and the mixing flow path, and is placed on the upper surface of the barrel, while the second member includes the barrel and the first member. It is characterized in that it can be fitted inside, and that the second cylindrical body cover has a tubular shape that can be fitted outside.

[0005]

1 to 3 show an embodiment of the present invention. 1 to 3, the same parts as those shown in FIGS. 4 and 5 are the same or equivalent.

An embodiment of the present invention will be described below with reference to FIGS.
Refer also to the explanation.

First, in FIGS. 1 and 4, a hot and cold water mixing faucet 1 having no water purifying function is a body 2 and a cartridge 1 for a single lever 9 having a valve function mounted on the body upper surface n.
1 and a first cylindrical body cover 4 that detachably covers the body 2 and the water discharge pipe body 3 that forms a water discharge flow path J that communicates with the mixing flow path M through which the hot and cold water mixed in the cartridge 11 flows. And a single lever 9 that is interlocked with a valve rod 12 provided in the cartridge 11 and adjusts the mixing ratio of hot and cold water supplied to the water discharge pipe 5 and the amount of water discharge including water stoppage.

The body 2 has an annular groove 20 forming a mixing flow passage M at a substantially intermediate position in the vertical direction in the circumferential direction, and an inner peripheral surface N of the annular groove 20 has a single valve function. It has a lead-out hole 21 for connecting the hot-water mixed water lead-out channel G led out of the cartridge 9 for the lever 9 and the annular mixing channel M. H'is a hole for forming the hot water flow path H, C'is a hole for forming the water flow path, and G'is
It is a hole for forming the outlet flow path G. Also, the body 2
An annular groove 22 is circumferentially provided between the annular groove 20 and the body upper surface n, and a synthetic rubber U packing 23 is fitted in the annular groove 22. Further, the body 2 has a short columnar flange 15 protruding from the center position at the lowermost end, and has an annular contact surface 2d at a position higher by a length Z than the bottom surface 15a of the flange 15. , This flange 1
5 also has an annular groove 24 in the circumferential direction between the annular groove 20.
A U-packing 25 made of synthetic rubber is also fitted in the annular groove 24. Further, the body 2 has an external screw 30 on the upper end.

The peripheral surface 15f of the short cylindrical flange 15
The O-ring 16 is fitted in the
A washer 13 is fitted in. A seat packing 14 is provided directly below the washers 13 and the O-rings 16 and is located between the abutment surfaces 2d and the top surface 6a of the hot and cold water mixing valve mounting surface portion 6 so that the O Ring 1
6, the washer 13 and the seat packing 14 are located. The protruding width L of the washer 13 and the seat packing 14 from the outer peripheral surface 2g of the body 2 is small.

On the other hand, the lower end surface 4a of the first cylindrical body cover 4 is in contact with the upper end surface 13a of the washer 13. The case cover 4 is removably fitted through the U packings 23 and 25 located above and below so as to expose the outer screw 30. The U packings 23, 25 are in sliding contact with the inner peripheral surface 4b of the body cover 4 in a watertight state to prevent the hot and cold mixed water flowing through the mixing flow passage M of the annular groove 20 from leaking. The body cover 4 has a communication hole 27 for communicating the mixing flow path M and the water discharge flow path J at a position corresponding to the water discharge pipe body 3, and the communication hole 27 and the annular groove 20 face each other in a watertight state. While covering the lower part of the body of the cover 4 excluding the flange 15, the inner peripheral surface 4b is rotated around the lower part of the body together with the water discharge pipe body 3 while slidingly contacting the U packings 23 and 25 located above and below the annular groove 20, respectively. It is configured to move. At this time, since the lower end surface 4a of the body cover 4 is supported by the washer 13 by the lower end surface 4a contacting the upper end surface 13a of the washer 13, the body cover 4 and thus the water discharge pipe 5 do not fall off from the body 2.

On the other hand, the upper portion of the barrel 2 including the outer screw 30 and the cartridge 11 are covered with an upper cover 29. The upper cover 29 has an inner screw 31 at the lower part, which is screwed into the outer screw 30 formed on the upper end of the case 2. That is, the upper cover 29 is in a fixed state without rotating around the body 2 like the body cover 4. The single lever 9 is attached to the upper cover 29 so as to be vertically and horizontally rotatable.

Therefore, in the hot and cold water mixing faucet 1 in the assembled state shown in FIG. 4, the screw connection between the upper cover 29 and the body 2 is released to remove the upper cover 29 together with the single lever 9 from the body 2, Subsequently, the water discharge pipe 5 can be removed from the body 2 by pulling out the body cover 4 from the body 2. A state in which the upper cover 29 and the water discharge pipe 5 are removed from the body 2 is shown on the left side of the paper surface of FIG.

1 and 5, a hot and cold water mixing faucet 1'with a water purifying function has a barrel 2'having a larger diameter than the barrel 2 and a valve function mounted on the barrel upper surface n '. A cartridge 11 'for a single lever 9'and a water discharge pipe body 3'and a body 2'in which a water purification cartridge 10 forming a water discharge channel J' communicating with a mixing channel m is built-in are detachably covered. A water discharge pipe 5'having two cylindrical body covers 4 ',
It is mainly composed of a single lever 9'which is connected to the valve rod 12 'of the cartridge 11' and is connected to the water discharge pipe 5'to adjust the mixing ratio of hot and cold water and the amount of water discharge including water stoppage. The body cover 4 ′ has a larger diameter than the body cover 4. The cartridge 11 ′ has a cover cylinder 49 containing a fixed disk 47 made of ceramic and a movable disk 48 made of ceramic, and is mounted on the upper surface n ′ of the body by a cartridge retainer 50. That is, the cartridge retainer 50 has the inner screw 50a at the lowermost end, while the body 2 '
Is an outer screw 50b that is screwed to the inner screw 50a at the uppermost end.
Have. Further, the upper portion of the barrel 2'including the outer screw 50b and the cartridge retainer 50 are covered with an upper cover 29 '. The upper cover 29 'is locked to the body 2'by parallel pins 53 fitted in pin holes 52 formed on the outer peripheral surface at the upper end of the body 2'.

Further, the hot and cold water mixing faucet 1'with a water purifying function has hot and cold water supplied from the body 2 ', water or raw water made of hot water, and a shower head 33 for discharging the purified water. The shower head 33 is connected to a grip portion 34 that doubles as a cartridge accommodating case made of synthetic resin in which the cylindrical water purification cartridge 10 is replaceably incorporated, and to the downstream end of the grip portion 34 by a simple attaching / detaching means. And a water outlet body 35 made of synthetic resin. Grip part 3
4 is composed of an upper member 34a and a lower member 34b. The water outlet main body 35 includes the grip portion 34 and the water purification cartridge 10.
The raw water opening 37 through which the raw water flowing through the annular raw water flow path 33a passes, and the purified water opening 38 through which the purified water flows through the purified water flow path 33b pass through the upper and lower positions of the upstream end of the spout body 35. Have.

The barrel 2'has an annular groove 20 'forming a mixing channel m in the circumferential direction at a substantially intermediate position in the vertical direction. Further, the body 2'has an annular groove 22 'in the circumferential direction between the annular groove 20' and the body upper surface n ', and a synthetic rubber U packing 23' is fitted in the annular groove 22 '. . Further, the body 2'has an annular groove 24 'in the circumferential direction on the outer periphery of the lower side of the annular groove 22', and a synthetic rubber U packing 25 'is fitted in the annular groove 24'. .

The body cover 4'has a communication hole 27 'for communicating the mixing channel M with the raw water channel 33a at a position corresponding to the water discharge pipe body 3. Also, the trunk cover 4 '
Is configured to rotate around the lower part of the body together with the water discharge pipe body 3'while slidingly contacting the U packings 23 'and 25'. That is, the body cover 4 ′ has the annular groove 200 on the inner peripheral surface of the lower end, and the annular groove 300 on the outer peripheral surface of the corresponding body 2 ′, and the O-ring 79 is fitted between the measuring annular grooves 200, 30. Has been. And the torso cover 4 '
Is located immediately below the body cover 4'and can be rotated by a ring-shaped sliding member 78a located between the upper surface of the ring-shaped flange 78 fitted on the outer peripheral surface of the body 2'and the bottom surface of the body cover 4 '. .

The characteristic structure of the present invention will be described below. 1 to 3, reference numeral 60 denotes an adapter including a first member 61 and a second member 62 used for attaching the water discharge pipe 5 ′ to the body 2 while removing the water discharge pipe 5 from the body 2.

The first member 61 has a columnar shape and has a flow passage that can communicate with the hot water flow passage H formed in the barrel 2 of the hot and cold water mixing faucet 1 having no water purification function. Flow path M ′ that has a flow path that can communicate with the water flow path that is formed and that can communicate with the mixing flow path M through the outlet flow path G that is formed in the body 2.
And is placed on the upper surface n of the body 2. 63 is the body 2
A hole forming a flow passage that can communicate with the hot water flow passage H formed in the above, 64 a hole forming a flow passage that can communicate with the water flow passage formed in the body 2, and 65 a flow passage M It is a hole that forms a '.

The first member 61 is composed of an upper small diameter portion 61a having an outer diameter r and a lower large diameter portion 61b having an outer diameter R (> r) equal to the outer diameter of the body 2.

On the other hand, in the second member 62, the body 2 and the first member 61 of the hot and cold water mixing faucet 1 having no water purifying function can be fitted into the second member 62, and the hot and cold water mixing faucet 1 ′ with the water purifying function is provided. The second cylindrical body cover 4 ′ has a tubular shape that can be fitted on the outer surface, and the outer screw 3 formed on the upper end of the body 2.
An inner screw 66 (connecting portion) that is screwed into 0 is provided at an intermediate position in the vertical direction. Then, the second member 62 has the inner screw 6
The second cylinder of the hot and cold water mixing faucet 1 ′ with the water purification function while fitting the body 2 connected by screwing 6 (connecting portion) and the outer screw 30 and the first member 61. An outer flange 68 having an inverted L-shaped vertical cross section is provided at the lower end so that the body cover 4 ′ does not slip off when the cylindrical body cover 4 ′ is externally fitted. This outward-facing flange 68 has a second body 2 which covers the washer 13 and the seat packing 14 shown in FIG.
It is fitted by the member 62.

The second member 62 comprises, in order from the top, the first member 6
It comprises a first member accommodating portion 69 into which 1 is fitted and a barrel accommodating portion 80 into which the body 2 is fitted.

Further, in this embodiment, the upper surface portion 68c of the outward flange 68 and the lower surface 4 of the body cover 4'are arranged so that the body cover 4'can rotate around the lower portion of the second member 62.
A gap is provided between a '. That is, as described above with reference to FIG. 5, the body cover 4 ′ has the annular groove 200 on the inner peripheral surface at the lower end. On the other hand, the second member 62 to which the body cover 4 ′ is fitted is provided with an annular O-ring groove 82 at a position immediately above the outward flange 68 and corresponding to the annular groove 200. Further, in this embodiment, the O-ring groove 82
The O-ring 83 is fitted between the annular groove 200 and the annular groove 200. This is because the water discharge pipe 5'of the hot and cold water mixing faucet 1'with a water purifying function has a body cover 4'having a larger diameter than the body cover 4 and a shower head 33 in which the water purification cartridge 10 is incorporated. Since it is heavier than the water discharge pipe 5 of the hot and cold water mixing faucet 1 that does not have, and therefore the lower surface 4a 'of the body cover 4'is directly seated on the upper surface portion 68c of the outward flange 68, the body cover 4'is difficult to rotate. Is.

The second member 62 is the first member accommodating portion 6
An annular groove 92 is circumferentially provided on the outer peripheral surface of 9, and a synthetic rubber U packing 93 is fitted in the annular groove 92. Further, the second member 62 has an annular groove 94 in the circumferential direction on the outer peripheral surface of the body housing portion 80, and a synthetic rubber U packing 95 is also fitted in the annular groove 94.

The second member 62 is the cartridge 1
1 ', a pair of communication holes 100 capable of communicating with the flow passage M', the outlet flow passage G, and the mixing flow passage M through which the mixed hot and cold water flows.
100 is provided on the outer peripheral surface immediately above the U packing 95. Then, the hot and cold water mixed water of the mixing flow path M reaches the raw water flow path 33a formed in the water discharge pipe 5'through the communication hole 27 'provided in the body cover 4'. At this time, the U packing 93 and U provided on the upper and lower positions of the outer peripheral surface of the second member 62, respectively.
The body cover 4 ′ and the second member 62 are made by the packing 95.
Since the space is sealed, it is possible to reliably prevent the hot and cold water mixture from leaking between the body cover 4 ′ and the second member 62.

[0025]

As described above in detail, according to the present invention, the water discharge pipe having the water purification cartridge is replaced with the water discharge pipe of the hot water / water mixing faucet having no water purification function, and the water discharging pipe in the hot water / water mixing faucet can be easily installed later. There is an effect that an adapter for replacing the water pipe can be provided.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a water discharge pipe replacement operation in an embodiment of the present invention.

FIG. 2 is an overall configuration explanatory view showing a hot and cold water mixing faucet after the discharge pipe is replaced in the embodiment.

FIG. 3 is an exploded view of a main part for explaining a mounting state in the above embodiment.

FIG. 4 is an overall configuration diagram showing a hot and cold water mixing faucet with a water purifying function.

FIG. 5 is a structural explanatory view showing a hot and cold water mixing faucet having no water purification function.

[Explanation of symbols]

1 ... Hot and cold water mixing tap without water purification function, 2 ... Body, 4 ... 1st
Cylindrical body cover of 4 '... Second cylindrical body cover of 5,
5 '... water discharge pipe, 10 ... water purification cartridge, 60 ... adapter, 61 ... first member, 62 ... second member, 66 ... connection part,
68 ... Outward flange, H ... Hot water passage, M ... Mixing passage, n
... upper surface, J ... water discharge channel, M '... channel that can communicate with the mixing channel.

Claims (2)

[Claims] 1. A body having a hot water flow passage communicating with the hot water supply flow passage, a water flow passage communicating with the water supply flow passage, and a mixing flow passage of hot and cold mixed water, and a water discharge flow passage communicating with the mixing flow passage. The water discharge pipe of the hot and cold water mixing faucet having no water purifying function, which includes the water discharge pipe main body and the water discharge pipe having the first cylindrical body cover that detachably covers the body, is removed from the body, and a water purification cartridge is attached. An adapter composed of a first member and a second member, which is used for attaching a water discharge pipe including a built-in water discharge pipe main body and a second cylindrical body cover to the body, wherein the first member is the hot water flow. A channel, a water channel, and a mixing channel, each of which has a flow path that can communicate with each other, and is placed on the upper surface of the body, while the second member allows the body and the first member to be fitted therein; A tube into which the second cylindrical body cover can be fitted A spout pipe replacement adapter for a hot and cold water mixing faucet, which has a shape. 2. The second member has a connecting portion connectable to the body, and the body and the first member connected to the connecting portion are fitted in the second member, and the second cylindrical shape is formed. The spout pipe replacement adapter for a hot and cold water mixing faucet according to claim 1, further comprising an outward flange at a lower end so that the second cylindrical body cover does not fall off when the body cover is fitted on the outer side.