JP5614952B2 - Switching valve fitting - Google Patents

Description

  The present invention relates to a switching valve joint used for connecting a water treatment device such as a water purifier or an alkali ion water conditioner and a faucet.

  Patent Document 1 describes a water discharge member used for connection between a water treatment device such as a water purifier or an alkali ion water conditioner and a faucet.

  The water discharge member described in Patent Document 1 performs raw water treatment with an inlet portion of raw water supplied through a faucet (existing mixed faucet), a raw water supply port with respect to the water treatment device, and the water treatment device. The raw water (treated water) return port portion and the discharge port portion for discharging the treated water are provided. The connection between the faucet and the water treatment device by the water discharging member is such that the inlet portion of the water discharging member is connected to the water faucet, the supply port portion is connected to the raw water inlet port of the water treatment device, and the return port portion is water treated. This is done by connecting to the treated water outlet port of the vessel. In this state where the faucet and the water treatment device are connected via the water discharging member, the raw water that has flowed into the inlet portion of the water discharging member through the water faucet is supplied to the water treatment device from the supply port portion. Is done. The raw water supplied to the water treatment device is subjected to water treatment (purification treatment or the like) in the water treatment device to become treated water, and then flows in from the return port. And the treated water which flowed in from the return port part can be discharged from a discharge port part, and can be used.

  Here, the supply port of the water discharge member and the raw water inlet port of the water treatment device are connected via a first hose, and the return port and the treated water inlet port of the water treatment device are connected to the second hose. It shall be connected via. At this time, the first hose is fixed to the supply port, for example, as described in Patent Document 2, the supply port is inserted into the open end of the first hose, and the open end of the first hose is further inserted. This is done by tightening the supply port with the first nut. Similarly, to fix the second hose to the return port, insert the return port into the open end of the second hose, and tighten the open end of the second hose to the return port with the second nut. Is done. Thus, the first and second hoses are individually clamped and fixed individually.

  However, if the first and second hoses are fixed individually as described above, the work space for performing the work for fixing the first hose and the work space for performing the work for fixing the second hose are described. , Need to be secured individually. For this reason, the supply port portion and the return port portion in the water discharge member cannot be disposed close to each other, and are disposed with a certain distance therebetween. This is disadvantageous in that the water discharge member is enlarged.

  Moreover, the switching valve which changes the communication object of an inlet part into a supply port part or a discharge port part is further provided, and the water discharge of the kind which can selectively discharge process water or raw | natural water from a discharge port part by a switch valve Since the operation member (switching valve joint) is generally provided with an operation handle or the like for switching the switching valve, it is easy to increase the size.

JP 2006-37703 A JP 2006-118588 A

  The present invention provides a switching valve joint that can be compactly configured to solve the above-described problems.

In Claim 1, it is comprised so that connection to a faucet is possible, and the inlet part (11) into which the raw | natural water supplied through the said faucet flows in the state connected to the said faucet, and the said inlet part (11) The raw water that has flowed into the inlet (11) while being connected to the water treatment device is discharged toward the water treatment device. The supply water (12) is configured to be connectable to the water treatment device, and treated water that is the raw water that has been subjected to water treatment by the water treatment device in a state of being connected to the water treatment device flows in. Raw water that has been communicated to the return port (13), the return port (13), and the inlet (11) and has flowed into the inlet (11), or treated water that has flowed into the return port (13) The discharge port part (14) capable of discharging water and the communication target of the inlet part (11) In the switching valve joint comprising a main body (2) having a switching valve (15) to be changed to a supply port (12) or the discharge port (14), the supply port (12) and the water treatment The first hose hole (27a) through which the first hose (19) used for connection to the water vessel can be inserted, and the second hose (20) used for connection between the return port (13) and the water treatment device are inserted. In the state where a possible second hose hole (27b) is formed and the first and second hose (19, 20) are inserted through the first and second hose holes (27a, 27b), the main body portion a pressing member fixed to (2) (23), presser greatly than member (23), and can accommodate configure the presser member (23) in a space surrounded by the inner peripheral surface, the first The first and second hose holes (29a, through which the second hose (19, 20) is inserted 9b), the cover member (24) is covered with the pressing member (23), the first and second hose holes (27a, 27b) of the pressing member (23), and With the first and second hoses (19, 20) inserted through the first and second hose holes (29a, 29b) of the cover member (24), the fixing screws (25, 25) are Insert into the screw holes (29c, 29c) of the member (24) and the screw holes (27c, 27c) of the holding member (23) and screw into the screw holes (2b, 2b) formed in the main body (2). The open ends of the first and second hoses (19, 20) are pressed against the supply port (12) and the return port (13) and fixed to the main body (2). .

  According to a second aspect of the present invention, in the switching valve joint according to the first aspect, the supply port portion (12) is formed in a hollow cylindrical shape and tapers in a tapered shape on the outer peripheral surface of one opening end portion. The first opening end is configured to be insertable into the opening end of the first hose, and the other opening end is configured to be insertable into the supply port. The return port portion (13) has a bush (21) and is formed in a hollow cylindrical shape, and a tapered portion tapered in an outer peripheral surface of one opening end portion is formed. An open end of the second hose is configured to be insertable into the open end of the second hose, and the other open end is configured to be insertable into the return port, and has a second bush (22), On the inner peripheral surface of the supply port (12), the supply A step portion (12a) with which the tip of the first bush (21) in a state of being inserted into the portion (12) abuts is formed, and the return port portion (13) is formed on the inner peripheral surface of the return port portion (13). The step (13a) with which the tip of the second bush (22) in the state of being inserted into 13) abuts is formed.

According to the present invention, the switching valve joint can be made compact.
That is, the pressing member 23 is fastened and fixed to the main body 2 with the fixing screws 25 and 25 via the cover member 24, so that the tightened pressing member 23 connects the first and second hoses 19 and 20. The first and second hoses 19 and 20 are simultaneously pressed against the supply port portion 12 and the return port portion 13, respectively, and are simultaneously fixed to the supply port portion 12 and the return port portion 13, respectively.
Therefore, it is not necessary to individually secure a work space for performing the work for fixing the first hose 19 and a work space for performing the work for fixing the second hose 20.
Thereby, since the supply port part 12 and the return port part 13 can be arrange | positioned mutually close, it is possible to make the switching valve joint 1 which is a retrofitting member compact.

It is a partial cross section figure of a switching valve coupling. It is AA sectional drawing of FIG. FIG. 2 is a partially enlarged view of FIG. 1, (a) is an enlarged view of a first hose and a first bush, and (b) is an enlarged view of a second hose and a second bush. FIG. 2 is a partially enlarged view of FIG. 1, (a) is an enlarged view of a first bush, and (b) is an enlarged view of a second bush. It is a figure which shows a pressing member, (a) is an enlarged view of the pressing member shown in FIG. 1, (b) is the figure which looked at the pressing member shown in FIG. It is a figure which shows a cover member, (a) is an enlarged view of the cover member shown in FIG. 1, (b) is the figure which looked at the pressing member shown in FIG. It is a figure which shows the process in which the 1st and 2nd bush is inserted in a supply port part and a return port part, (a) shows the state which inserted the 1st and 2nd hose in the cover member and the pressing member, (b) The state where the first and second bushes are inserted into the supply port and the return port is shown. It is a figure which shows the process in which a pressing member is clamp | tightened with a fixing screw, (a) is DD sectional drawing of FIG.7 (b), (b) is a screw hole in which the fixing screw is formed in the main-body part 2. It is a figure which shows the state which screwed in and clamped the holding member with the fixing screw.

  Hereinafter, a switching valve joint 1 which is an embodiment of a switching valve joint according to the present invention will be described with reference to the drawings.

  The switching valve joint 1 is a member used for connecting a water treatment device such as a water purifier or an alkali ion water conditioner and an existing water faucet. When the water treatment device and the water faucet are connected using the switching valve joint 1, raw water (tap water, hot water, etc.) supplied through the water faucet can be supplied to the water treatment device. It becomes possible to discharge raw water (treated water) that has been subjected to treatment (purification treatment or the like).

  As shown in FIGS. 1 and 2, the switching valve joint 1 includes a main body portion 2 and a joint portion 3.

  The main body 2 is a member provided with various openings through which raw water / treated water flows in / out, various channels through which raw water / treated water flows, and the like. The main body 2 includes an inlet 11, a supply port 12, a return port 13, a discharge port 14, and a switching valve 15.

  The inlet portion 11 is configured to be connectable to an existing faucet (not shown), and is a portion where raw water supplied through the faucet flows into the switching valve joint 1 while being connected to the faucet. is there.

  The supply port portion 12 is configured to communicate with the inlet portion 11 and be connectable to a water treatment device (not shown). When the supply port portion 12 is connected to the water treatment device, the raw water flowing into the inlet portion 11 is water. It is a portion that discharges toward the processor.

  The return port portion 13 is configured to be connectable to a water treatment device, and in a state where the return port portion 13 is connected to the water treatment device, treated water that is raw water subjected to water treatment by the water treatment device is within the switching valve joint 1. It is the part that flows into.

  The discharge port portion 14 communicates with the return port portion 13 and the inlet portion 11, and is a portion where the raw water flowing into the inlet portion 11 or the treated water flowing into the return port portion 13 is discharged from the switching valve joint 1. is there. The discharge port portion 14 is connected to a spout (not shown), and the raw water flowing into the inlet portion 11 or the treated water flowing into the return port portion 13 can be discharged from the spout.

  The switching valve 15 is provided between the inlet portion 11, the supply port portion 12, and the discharge port portion 14, and changes the communication target of the inlet portion 11 to the supply port portion 12 or the discharge port portion 14. The inlet portion 11 can communicate with the supply port portion 12 or the discharge port portion 14 via the switching valve 15. By switching the switching valve 15, the communication port of the inlet portion 11 can be connected to the supply port portion 12 or the discharge port. The unit 14 is configured to be changeable. An operation handle 16 is connected to the switching valve 15, and the switching valve 15 is switched by appropriately rotating the operation handle 16.

  The connection between the faucet and the water treatment device by the switching valve joint 1 is such that the inlet portion 11 is connected to the faucet, the supply port portion 12 is connected to the raw water inlet port of the water treatment device, and the return port portion 13 is further treated with water. This is done by connecting to the treated water outlet port of the vessel. In this state where the faucet and the water treatment device are connected via the switching valve joint 1, when the communication port of the inlet portion 11 is the supply port portion 12 by the switching valve 15, the faucet → the inlet portion 11. → Connecting port 12 → Water treatment device → Return port 13 → Discharge port 14 As a result, the raw water supplied to the inlet 11 through the water faucet becomes treated water via the water treatment device, and then is discharged from the spout through the discharge port 14 to be used. Moreover, when the communication object of the inlet part 11 is switched to the discharge port part 14 from this state by the switching valve 15, it will be in the state connected in order of the water tap-> inlet part 11-> discharge port part 14. FIG. Thereby, the raw water supplied to the inlet part 11 through the faucet is discharged from the spout through the discharge port part 14 without passing through the water treatment device, and the raw water is used.

  A nut 17 is externally fitted to the inlet portion 11, and the inlet portion 11 and the faucet are connected by tightening the nut 17 in a state where the nut 17 and the water spout of the faucet are engaged. The

  The spout 14 and the spout are connected via the joint 18, and the raw water or treated water discharged from the spout 14 as described above flows through the spout and flows out of the spout. Provided for use.

  The supply port 12 and the raw water inlet port of the water treatment device are connected via a first hose 19. The connection between the supply port 12 and the raw water inlet port of the water treatment device is such that one open end of the first hose 19 is fixed to the supply port 12 and the other open end of the first hose 19 is water. This is done by fixing to the raw water inlet port of the processor. The return port 13 and the treated water outlet port of the water treatment device are connected via the second hose 20. The connection between the return port 13 and the treated water outlet port of the water treatment device is such that one open end of the second hose 20 is fixed to the return port 13 and the other open end of the second hose 20 is This is done by fixing to the treated water outlet port of the water treatment device. The joint portion 3 is a member used when fixing one open end portion of the first and second hoses 19 and 20 to the supply port portion 12 and the return port portion 13, respectively.

  The joint portion 3 includes first and second bushes 21 and 22, a pressing member 23, a cover member 24, and fixing screws 25 and 25 that fix the pressing member 23 and the cover member 24 to the main body portion 2. . The first and second hoses 19 and 20 are fixed to the supply port portion 12 and the return port portion 13 by screwing fixing screws 25 and 25 into the main body portion 2 so as to hold the pressing member 23 via the cover member 24. Is fixed to the main body 2 by fastening. At this time, the pressing member 23 in the clamped state simultaneously presses one open end of the first and second hoses 19 and 20 against the supply port portion 12 and the return port portion 13 respectively. One open end of the hoses 19 and 20 is fixed to the supply port 12 and the return port 13, respectively.

  First and second bushes 21 and 22 formed in a hollow cylindrical shape are fixed to one open end of the first and second hoses 19 and 20, respectively (see FIG. 1).

  One open end of the first and second bushes 21 and 22 is inserted into one open end of the first and second hoses 19 and 20, respectively, and the other of the first and second bushes 21 and 22 is inserted. The open end portions of the first and second hoses 19 and 20 protrude from the open end portions of the first and second hoses 19 and 20, respectively (see FIG. 3).

  Tapered portions 21 a and 22 a that are tapered in a tapered shape are formed on the outer peripheral surfaces of one open end of the first and second bushes 21 and 22, respectively. Then, the opening end portions of the first and second hoses 19 and 20 into which one opening end portions (tapered portions 21a and 22a) of the first and second bushes 21 and 22 are inserted are tapered to the tapered portions 21a and 22a. The diameter is expanded along and elastically deformed into a tapered shape (see FIGS. 3 and 4).

  As shown in FIGS. 1 and 3, the other opening ends of the first and second bushes 21 and 22 projecting from the opening ends of the first and second hoses 19 and 20 are respectively connected to the supply port portion 12. Each of the return ports 13 can be inserted. When the first bush 21 is inserted into the supply port 12, the supply port 12 and the first hose 19 are engaged with each other, and the raw water supplied to the supply port 12 is the first bush 21. It becomes possible to discharge into the first hose 19 through the inside. In addition, when the second bush 22 is inserted into the return port portion 13, the return port portion 13 and the second hose 20 are engaged and supplied from the water treatment machine into the second hose 20. The treated water can flow into the return opening 13 through the second bush 22. The inner peripheral surfaces of the supply port portion 12 and the return port portion 13 are formed in a stepped shape in which the opening side (the side into which the first and second bushes 21 and 22 are inserted) has a larger diameter than the back side. Has been. Thereby, when the first and second bushes 21 and 22 are inserted into the supply port portion 12 and the return port portion 13, respectively, a step portion that forms a stepped shape on the inner peripheral surface of the supply port portion 12 and the return port portion 13 The first and second bushes 21 and 22 are configured to abut and engage with 12a and 13a, respectively (see FIGS. 7A and 7B). Further, ring-shaped packings 26 and 26 are respectively fitted on the outer peripheral surfaces of the other opening end portions of the first and second bushes 21 and 22 (see FIG. 3).

  The pressing member 23 includes a disk-shaped bottom portion 27 and a cylindrical side portion 28 that rises at a substantially right angle from the outer peripheral edge of the bottom portion 27 (see FIG. 5). The bottom portion 27 is formed with first and second hose holes 27a and 27b through which the first and second hoses 19 and 20 are inserted, and screw holes 27c and 27c through which the fixing screws 25 and 25 are inserted. The first and second hose holes 27a and 27b formed in the holding member 23 are arranged corresponding to positions where the supply port portion 12 and the return port portion 13 are present in the main body portion 2, respectively. The inner diameters of the first and second hose holes 27a and 27b are set to the same size as the outer diameters of the first and second hoses 19 and 20, and the first and second hose holes 27a and 27b -The 2nd hose 19 * 20 is comprised so that insertion is possible respectively. The inner diameters of the first and second hose holes 27a and 27b are larger than the maximum outer diameter of one of the opening ends of the first and second hoses 19 and 20, that is, the tapered portions along the tapered portions 21a and 22a. It is set small. As a result, the first and second hoses 19 and 20 are respectively inserted into the first and second hose holes 27a and 27b, and the first and second hoses 19 and 20 are inserted into the first and second hoses 19 and 20, respectively. One of the first and second hoses 19 and 20 is formed between the pressing member 23 and the first and second bushes 21 and 22 by tightening the pressing member 23 to the main body 2 in a state where the two bushes 21 and 22 are inserted. The first and second hose holes 27a and 27b are configured to be able to hold one open end (the portion to be tapered) of the first and second hoses 19 and 20, respectively. .

  The cover member 24 covers the pressing member 23 fixed to the main body 2, and has a disk-shaped bottom portion 29 and a cylindrical side portion 30 that rises at a substantially right angle from the outer peripheral edge of the bottom portion 29 (see FIG. 6). The bottom portion 29 is formed with first and second hose holes 29a and 29b through which the first and second hoses 19 and 20 are inserted, and screw holes 29c and 29c through which the fixing screws 25 and 25 are inserted. The cover member 24 is configured such that the end portion of the side portion 30 can be fitted onto the outer peripheral portion 2a of the supply port portion 12 and the return port portion 13 in the main body portion 2 (FIGS. 7A and 7B). reference). Further, the cover member 24 is configured to be slightly larger than the pressing member 23 so that the pressing member 23 can be accommodated in a space surrounded by the inner peripheral surface of the side portion 30. The cover member 24 is fixed to the main body 2 with fixing screws 25 and 25 together with the pressing member 23. At this time, the end portion of the side portion 30 is externally fitted to the outer peripheral portion 2a, and the pressing member 23 is accommodated between the cover member 24 and the main body portion 2 (see FIGS. 1 and 2).

  The first and second hoses 19 and 20 are fixed to the supply port portion 12 and the return port portion 13 by using the joint portion 3 by fixing the pressing member 23 to the main body portion 2 with fixing screws 25 and 25. Is done. Specifically, the first and second hoses 19 and 20 are inserted into the first and second hose holes 29a and 29b of the cover member 24 and the first and second hose holes 27a and 27b of the holding member 23, respectively ( 7 (a)), and the first and second bushes 21 and 22 are inserted into the supply port portion 12 and the return port portion 13 (see FIG. 7 (b)), and the fixing screws 25 and 25 are inserted. Is inserted into the screw holes 29c and 29c of the cover member 24 and the screw holes 27c and 27c of the holding member 23, and further screwed into the screw holes 2b and 2b formed in the main body 2 (see FIG. 8 (a) and FIG. 8 (b)). At this time, the pressing member 23 is fastened by the fixing screws 25 and 25 via the cover member 24, and one of the first and second hoses 19 and 20 is inserted into the first and second hose holes 27 a and 27 b of the pressing member 23. Each of the open end portions (the portions that become thicker) is held. That is, when the pressing member 23 is tightened by the fixing screws 25 and 25, the pressing member 23 connects the one opening end portion of the first hose 19 and the first bush 21 to the supply port portion 12 (step portion 12a). Further, one opening end portion of the second hose 20 and the second bush 22 are simultaneously pressed against the return port portion 13 (step portion 13a), and one opening end portion of the first hose 19 is supplied to the supply port portion. 12, one open end of the first hose 19 is fixed to the return opening 13 (see FIG. 1). Thereby, the state which one open end part of the 1st and 2nd hose 19 * 20 engaged with the supply port part 12 and the return port part 13 is each hold | maintained. In this way, when the pressing member 23 is fastened and fixed to the main body 2 with the fixing screws 25 and 25, the tightened pressing member 23 connects the first and second hoses 19 and 20 to the supply port 12. The first and second hoses 19 and 20 are simultaneously pressed against the return port portion 13 and fixed to the supply port portion 12 and the return port portion 13 respectively. Therefore, it is not necessary to individually secure a work space for performing the work for fixing the first hose 19 and a work space for performing the work for fixing the second hose 20. Thereby, since the supply port part 12 and the return port part 13 can be arrange | positioned mutually close, it is possible to make the switching valve joint 1 which is a retrofitting member compact.

DESCRIPTION OF SYMBOLS 1 Switching valve joint 2 Main body part 3 Joint part 11 Inlet part 12 Supply port part 13 Return port part 12a * 13a Step part 14 Discharge port part 15 Switching valve 16 Operation handle 19 1st hose 20 2nd hose 21 1st bush 22 2nd Two bushings 23 Holding member 27a First hose hole 27b Second hose hole

Claims (2)

Connected to the faucet, and connected to the faucet, connected to the inlet portion through which the raw water supplied through the faucet flows, and connected to the water treatment device A supply port that discharges raw water that flows into the inlet in a state connected to the water treatment device,
A return port portion configured to be connectable to the water treatment device and into which treated water that is the raw water subjected to water treatment by the water treatment device in a state of being connected to the water treatment device flows,
A discharge port portion that is communicated with the return port portion and the inlet portion and that can discharge raw water that has flowed into the inlet portion or treated water that has flowed into the return port portion, and a communication target of the inlet portion is the supply port portion. Or a switching valve joint comprising a main body portion having a switching valve to be changed to the discharge port portion,
A first hose hole through which a first hose used for connection between the supply port and the water treatment device can be inserted, and a second hose used for connection between the return port and the water treatment device can be inserted through the second hose. A hose hole is formed,
In a state where the first and second hoses are inserted through the first and second hose holes, a holding member fixed to the main body portion,
Presser greatly than members, the inner presser housing configured to be capable member surrounded by the space in the circumferential surface, the cover member said first and second hose is provided with a first and second hose hole to be inserted With
Covering the pressing member with a cover member, with the first and second hoses inserted into the first and second hose holes of the pressing member and the first and second hose holes of the cover member,
A fixing screw is inserted through the screw hole of the cover member and the screw hole of the holding member, and screwed into the screw hole formed in the main body,
A switching valve joint, wherein the open end portions of the first and second hoses are pressed against the supply port portion and the return port portion and fixed to the main body portion. In the switching valve joint according to claim 1,
The supply port portion is formed in a hollow cylindrical shape, and a tapered portion tapered in an outer peripheral surface of one opening end portion is formed, and the one opening end portion is an opening of the first hose. A first bush configured to be insertable into the end, and having the other opening end configured to be insertable into the supply port;
The return port portion is formed in a hollow cylindrical shape, and a tapered portion that tapers in the outer peripheral surface of one opening end portion is formed, and the one opening end portion is an opening of the second hose. A second bush configured to be insertable into the end, and having the other open end configured to be insertable into the return opening;
On the inner peripheral surface of the supply port portion, a step portion with which the tip of the first bush in a state of being inserted into the supply port portion abuts is formed,
A switching valve joint, wherein a stepped portion is formed on an inner peripheral surface of the return port portion, which is in contact with a tip end of the second bush inserted into the return port portion.

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