JP5468786B2 - Fork - Google Patents

Description

  The present invention relates to a technology of a branch plug used for a mixing faucet.

Conventionally, one end is inserted into the main body of the branch plug in which the hot water side flow path and the water side flow path penetrating in the axial direction are formed, and the opening to the bottom surface of the hot water side flow path or the water side flow path. A technique related to a branch plug including a connecting pipe suspended is known. For example, as shown in Patent Document 1.
Such a branch plug is disposed above the mixing faucet body, which is a component of the mixing faucet, and has a hot water flow pipe and a hot water flowing out of the water side flow pipe provided in the mixing faucet body. The water is branched to a predetermined device.

  However, the mixing faucet is provided with a cylindrical faucet body in the mixing faucet body so as to open upward. In such a mixing faucet, since the branch plug is disposed above the case, the upper surface of the portion where the hot water side channel and the water side channel are formed in the mixed tap body, and the branch plug body A gap corresponding to the height of the case is formed between the lower surface of the case, the hot water side pipe of the mixing faucet body, the hot water side passage of the branch tap, and the water side flow of the mixing faucet body. It is difficult to directly connect the pipe and the water-side flow path of the branch plug.

  Therefore, by the connecting pipe, the hot water side flow pipe of the mixing faucet body and the opening of the hot water side flow path of the branch faucet, and the water side flow pipe of the mixing faucet main body and the water side flow path of the branch faucet These openings are connected to each other to communicate with each other. Specifically, one end of a connecting pipe is inserted into the hot water side channel formed in the branch plug body or an opening to the bottom surface of the water side channel, and the connection pipe is attached to the branch plug body. In this state, in the case provided in the mixing faucet body, the other end of the connecting pipe attached to the branch faucet body is inserted into the hot water side channel pipe or the water side channel pipe of the mixing faucet body. However, a mixing faucet is disposed above the case of the mixing faucet body. In this way, the hot water side flow pipe of the mixing faucet body and the hot water side flow path of the branch faucet, and the water side flow pipe of the mixing faucet main body and the water side flow path of the branch faucet are communicated. Yes.

Japanese Patent Laid-Open No. 10-184951

  However, in such a branch plug, only one end of the connecting pipe is inserted into the hot water side channel of the branch plug body or the opening to the bottom surface of the water side channel. For example, the outer diameter of one end of the connecting pipe is formed slightly smaller than the inner diameter of the opening to the hot water side channel or the water side channel of the branch plug body, and the one end of the connecting pipe and the opening One end of the connecting pipe was inserted into the opening with an O-ring interposed therebetween, and the connecting pipe was connected to the opening by the elastic force of the O-ring. As described above, the connection between the connecting pipe and the hot water side flow path or the water side flow path of the branch plug main body is to integrally join both ends, such as by screwing one end of the connecting pipe and the opening. Instead, the mounting posture of the connecting pipe with respect to the branch plug body was not constant. For this reason, when the other end of the connecting pipe is inserted into the hot water side channel pipe or the water side channel pipe of the mixing faucet body, the other end of the connecting pipe is not stable at a desired position. Since the insertion state of the one end of the pipe into the opening is loose and the connecting pipe is easily dropped from the opening, the work of attaching the branch plug to the mixing faucet body has been complicated.

  This invention is made | formed in view of the above situations, and it aims at providing the branch plug which can perform the attachment operation | work to a mixing faucet body easily.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

In Claim 1, it is a branch plug (1) arrange | positioned above the mixing faucet main body (2) which is a structural member of the mixing faucet (80), Comprising: The hot water side flow path penetrated in an axial direction (11) and a water side channel (12) penetrating in the axial direction are formed, and an opening to the bottom surface of the hot water side channel (11) is configured as a hot water side opening (11a), An opening to the bottom of the water-side channel (12) is configured as a water-side opening (12a), a branch plug body (10), the hot-water side opening (11a), and the water-side opening ( 12a) and a tubular connecting pipe (40), one end of which is integrally joined , and the branch plug (1) includes the connecting pipe (40). A tubular exterior member (20) that extends downward and fits the branch plug body (10), and the connecting pipe (40) includes the exterior A length in the axial direction substantially the same as the length extending from the material (20), and an inner diameter larger than the outer diameter of the upper portion of the exterior member and larger than the outer diameter of the case provided in the mixing faucet body And a cylindrical cover (50) disposed so as to cover the outer periphery of the connecting pipe (40) when the branch plug (1) is attached to the mixing tap (80). Is.

In Claim 2, the hot water side flow path which is a branch plug (1) arrange | positioned above the mixing faucet main body (2) which is a structural member of the mixing faucet (80), and penetrates in an axial direction (11) and a water side channel (12) penetrating in the axial direction are formed, and an opening to the bottom surface of the hot water side channel (11) is configured as a hot water side opening (11a), An opening to the bottom of the water-side channel (12) is configured as a water-side opening (12a), a branch plug body (10), the hot-water side opening (11a), and the water-side opening ( 12a) and a tubular connecting pipe (40), one end of which is integrally joined, and the branch plug (1) includes the connecting pipe (40). A tubular exterior member (20) that extends downward and fits the branch plug body (10), and the connecting pipe (40) includes the exterior A length in the axial direction substantially the same as the length extending from the material (20), and an inner diameter larger than the outer diameter of the upper portion of the exterior member and larger than the outer diameter of the case provided in the mixing faucet body A cylindrical cover (50) disposed so as to cover the outer peripheral surface of the upper part of the exterior member (20) when the branch plug (1) is attached to the mixing tap (80); Is further provided .

According to Claim 3, in the branch plug according to Claim 1 or Claim 2, a female screw is formed on an inner peripheral surface of the hot water side opening (11a) or the water side opening (12a), A male screw is formed on the outer peripheral surface of one end of the connecting pipe (40). One end of the connecting pipe (40) is integrally joined to the hot water side opening (11a) or the water side opening (12a) by screwing with a screw.

According to a fourth aspect of the present invention, in the branch plug according to the first or second aspect, the exterior member (20) is provided with an inner protrusion (24) protruding radially inward, and the branch plug main body (10). ) Is fitted from below, the branch plug main body (10) protrudes radially outward, and the outer protrusion (17) engaged with the inner protrusion (24) in the exterior member (20). ) Is provided.

  As effects of the present invention, the following effects can be obtained.

In Claim 1, it is a branch plug (1) arrange | positioned above the mixing faucet main body (2) which is a structural member of the mixing faucet (80), Comprising: The hot water side flow path penetrated in an axial direction (11) and a water side channel (12) penetrating in the axial direction are formed, and an opening to the bottom surface of the hot water side channel (11) is configured as a hot water side opening (11a), An opening to the bottom of the water-side channel (12) is configured as a water-side opening (12a), a branch plug body (10), the hot-water side opening (11a), and the water-side opening ( 12a) is provided with a tubular connecting pipe (40) whose one end is integrally joined to at least one of 12a), so that the branch plug has a hot water side opening and a water side opening. At least one of them is provided with a cylindrical connecting pipe whose one end is integrally joined.
For this reason, the mounting posture of the connecting pipe with respect to the branch plug body is fixed, and the other end of the connecting pipe is stabilized at a desired position, and the connecting pipe is easily detached from the hot water side opening or the water side opening. Will not.
Therefore, it is possible to easily perform the operation of attaching the branch plug to the mixing faucet body.

The branch plug (1) includes a tubular exterior member (20) that extends the connection pipe (40) downward and fits the branch plug body (10), and the connection pipe (40). ) Is substantially the same as the length extending from the exterior member (20) in the axial direction, and is larger than the outer diameter of the upper portion of the exterior member and the outer diameter of the case provided in the mixing faucet body A cylindrical cover (50) having a large inner diameter and arranged to cover the outer periphery of the connecting pipe (40) when the branch plug is attached to the mixing tap (80). since, it branched plug, when fitted with a branch stoppered mixing faucet further comprises a cover, of cylindrical shape which is arranged to cover the outer periphery of the connecting pipe.
Therefore, the mixed faucet can be arranged without impairing the aesthetics, regardless of whether the case provided in the main body of the faucet is exposed or not. Cost can be reduced.

In claim 2, the branch plug (1) includes a tubular exterior member (20) that extends the connecting pipe (40) downward to fit the branch plug body (10), and The connecting pipe (40) has a length in the axial direction substantially the same as the length extending from the exterior member (20), and a case provided in the mixing faucet body that is larger than the outer diameter of the upper portion of the exterior member. A cylindrical cover that is disposed so as to cover the outer peripheral surface of the upper portion of the exterior member (20) when the branch plug is attached to the mixing tap (80). (50) is further provided, so that the mixing faucet is arranged without impairing the aesthetic appearance in the specification where the case provided in the mixing faucet body is exposed or the specification where the case is not exposed. In addition, the manufacturing cost of the branch plugs can be reduced. Can.

According to Claim 3, in the branch plug according to Claim 1 or Claim 2, a female screw is formed on an inner peripheral surface of the hot water side opening (11a) or the water side opening (12a), A male screw is formed on the outer peripheral surface of one end of the connecting pipe (40). Since one end of the connecting pipe (40) is integrally joined to the hot water side opening (11a) or the water side opening (12a) by screwing with a screw, the hot water side opening One end of the connecting pipe is integrally joined to the hot water side opening or the water side opening by screwing the female screw formed on the water pipe or the water side opening with the male screw formed on the connecting pipe. The configuration.
For this reason, the mounting posture of the connecting pipe with respect to the branch plug body is more constant, the other end of the connecting pipe is stabilized at a desired position, and the connecting pipe is easily opened from the hot water side opening or the water side opening. It will not fall off.
Therefore, the work of attaching the branch plug to the mixed water faucet body can be performed more easily. Moreover, such a branch plug can be realized with a simple structure.

According to a fourth aspect of the present invention, in the branch plug according to the first or second aspect, the exterior member (20) is provided with an inner protrusion (24) protruding radially inward, and the branch plug main body (10). ) Is fitted from below, the branch plug main body (10) protrudes radially outward, and the outer protrusion (17) engaged with the inner protrusion (24) in the exterior member (20). ) Is provided, the branch plug is provided with an inner protrusion protruding radially inward, the branch plug main body is fitted from below, and the lower end is joined to the upper end of the case provided in the mixed water faucet body. The outer wall of the branch plug main body is provided with an outer protrusion that protrudes radially outward and engages with the inner protrusion within the outer member.
For this reason, the outer protrusion of the branch plug main body and the inner protrusion of the exterior member are engaged, and the branch plug main body is fixed to the mixed water faucet main body and does not move.
Therefore, it is possible to easily perform the operation of attaching the branch plug to the mixing faucet body.

The side view which showed the branch stopper and mixed water tap which concern on this invention. The top view of the branch stopper concerning this invention. FIG. 2 is a plan sectional view of the branch plug according to the present invention. FIG. 3 is a front sectional view of the branch plug according to the present invention. (A) is a front view of the branch plug according to the present invention, (b) is a perspective view showing the branch plug and the mixed water tap according to the present invention. (A) is a front view of the branch plug according to the present invention, (b) is a perspective view showing the branch plug and the mixed water tap according to the present invention. AA sectional drawing of the branch stopper concerning this invention. The plane sectional view showing the state where the lid member was provided in the branch plug concerning the present invention.

  Next, an embodiment of the branch plug according to the present invention will be described with reference to FIGS. 1, 4, and 7, the upper side in the drawing is the upper side, the lower side in the drawing is the lower side, the left side in the drawing is the left side, and the right side in the drawing is the right side. 2, FIG. 3, and FIG. 8, the upper side in the drawing is the front, the lower side in the drawing is the rear, the left side in the drawing is the left side, and the right side in the drawing is the right side. 5 and 6, the upper side in the drawing is the right side, the lower side in the drawing is the left side, the left side in the drawing is the upper side, and the right side in the drawing is the lower side.

  As shown in FIG. 1, the branch plug 1 is disposed above the mixing faucet body 2 that is a component of the mixing faucet 80, and is connected to an object to be connected such as a water purifier, a water conditioner, or a dishwasher (not shown). And so on. Then, hot water or water supplied from the mixing faucet body 2 to the branch plug 1 is branched in the branch plug 1 and flows out to the connection object. In addition, the predetermined liquid that has flowed out of the connection object flows into the branch plug 1 and can be discharged from the branch plug 1 through the spout of the mixing faucet body 2.

  The mixing faucet 80 in a normal use state includes the mixing faucet body 2, the cartridge 3, the cover nut 4, and the handle lever 5. In the mixing faucet body 2, as shown in FIGS. 5 (a) and 6 (b), a hot water side flow pipe 2a connected to a boiler or the like, and a water side flow pipe 2b connected to a water pipe. And a mixing channel pipe 2c through which hot water, water, and a hot / cold water mixture flow are provided. A spout is provided on the outer peripheral portion of the upper and lower middle portions of the mixing faucet body 2 so as to communicate with the mixing flow channel pipe 2c and to flow out the hot water / water mixture or the like to the outside. The mixing faucet body 2 includes a cylindrical case 2d for housing the cartridge 3. A male screw is formed on the outer peripheral surface of the upper end portion of the case 2d. Switching of water discharge and water stop by the cartridge 3 and adjustment of the water discharge amount of hot water and water are performed by operating the handle lever 5. The mixing faucet 80 is configured such that the mixing faucet body 2 is fixed to a kitchen sink, and a cartridge 3, a cover nut 4, and a handle lever 5 are arranged on the upper part of the mixing faucet body 2. Has been.

  In the mixing faucet 80 equipped with the branch plug 1, the cartridge 3 and the hot water side flow pipe 2 a, the water side flow pipe 2 b, and the mixing flow pipe 2 c of the mixed water faucet body 2 connect the branch plug 1. Switching of water discharge and water stoppage to the hot water and water mixed flow channel pipe 2c supplied from the hot water side flow channel pipe 2a and the water side flow channel pipe 2b by the cartridge 3, The amount of water discharged is adjusted.

  As shown in FIGS. 2 to 4, the branch plug 1 includes a branch plug body 10, an exterior member 20, a pair of branch connection members 30 and 30, a pair of connecting pipes 40 and 40, and a cover 50. To do.

  As shown in FIGS. 2 to 4, the branch plug main body 10 is a member made of a metal material, and is formed in a cylindrical shape with the axial direction as the vertical direction. The diameter of the upper part of the branch plug main body 10 is formed to be substantially the same as the diameter of the cartridge 3 and smaller than the diameter of the upper and lower middle parts of the branch plug main body 10. A circumferential (flange-shaped) outer protrusion 17 is provided on the outer peripheral surface of the upper and lower middle portion of the branch plug body 10 so as to protrude outward in the radial direction. The branch plug main body 10 is formed with a hot water side flow path 11, a water side flow path 12, a mixing flow path 13, and a lateral hole 14, and the branch plug main body 10 has a hot water side opening 11 a and A water-side opening 12a, a first opening 15 and a second opening 16 are provided.

  The hot water channel 11 is connected to a connecting pipe 40 which will be described later, and the hot water flowing in from the hot water channel 2 a of the mixed faucet body 2 is circulated through the connecting pipe 40 and flows out to the cartridge 3. It is a flow path. The hot water channel 11 is formed so as to penetrate the axial direction of the branch plug main body 10 and to have an opening disposed on the front right side in the plan view shown in FIGS. The diameter of the portion (hereinafter referred to as the upper portion 11b) from the upper end portion of the hot water side channel 11 to the midway portion and the diameter of the lower end portion of the hot water side channel 11 are the lower portion 11c (lower end) of the hot water side channel 11. It is formed so as to have a diameter larger than the diameter of the other parts. The hot water side flow passage 11 opens on the bottom surface of the branch plug main body 10, so that the hot water side opening 11 a is formed on the bottom surface of the branch plug main body 10. A female screw is formed on the lower end of the hot water channel 11, that is, on the inner peripheral surface of the hot water side opening 11 a.

  The water-side flow path 12 is connected to a connecting pipe 40 which will be described later, and water flowing in from the water-side flow path pipe 2b of the mixed faucet body 2 through the connecting pipe 40 is circulated and discharged to the cartridge 3. It is a flow path. The water-side channel 12 is formed so as to penetrate in the axial direction of the branch plug main body 10 and to have an opening disposed on the front left side in a plan view shown in FIGS. The diameter of the upper end portion of the water side channel 12 is formed larger than the diameter of the middle part of the water side channel 12. An annular packing for preventing water leakage is provided at the upper end of the water-side channel 12. The diameter of the lower end portion of the water side channel 12 is formed substantially the same as the diameter of the lower end portion of the hot water side channel 11. The diameter of the portion excluding the upper end portion and the lower end portion of the water side channel 12 (vertical middle portion) is formed to be substantially the same as the diameter of the lower portion 11c (excluding the lower end portion) of the hot water side channel 11. Yes. By opening the water-side flow path 12 at the bottom surface of the branch plug main body 10, a water-side opening 12 a is formed at the bottom surface of the branch plug main body 10. A female screw is formed on the lower end of the water-side channel 12, that is, on the inner peripheral surface of the water-side opening 12a.

  The mixing flow path 13 is a flow path for flowing hot water, water, or a hot / cold water mixture flowing in from the cartridge 3 and flowing out to the mixed water faucet body 2. The mixing channel 13 penetrates in the axial direction of the branch plug body 10 and is formed so that the opening is disposed rearward in the plan view shown in FIGS.

  The lateral hole 14 communicates with the hot water side flow path 11, communicates with the water side flow path 12 and the flow path that branches the hot water flowing through the hot water side flow path 11 from the hot water side flow path 11. 12 is a flow path for branching water flowing through the water side flow path 12. The lateral hole 14 is formed so as to penetrate the outer peripheral surface of the branch plug main body 10 in the left-right direction through the front of the mixing flow path 13 at a substantially right angle to the axial direction. Moreover, the diameter of the left part is larger than the diameter of a right part (except the outer peripheral surface vicinity of a right part) so that the horizontal hole 14 may connect with the hot water side flow path 11 back and the water side flow path 12 back. Largely formed. Further, the lateral hole 14 is formed so that the diameter in the vicinity of the outer peripheral surface of the right portion is substantially the same as the diameter in the vicinity of the outer peripheral surface of the left portion. Female threads are formed on the inner peripheral surface of the large-diameter portion near the outer peripheral surface on each of the left and right sides of the horizontal hole 14. By opening the lateral hole 14 on the left outer peripheral surface of the branch plug body 10, the first opening 15 is formed on the left outer peripheral surface of the branch plug body 10, and the right outer periphery of the branch plug body 10. A second opening 16 is formed on the surface. The first opening 15 and the second opening 16 are formed at substantially the same position in the axial direction of the branch plug body 10. Further, the first opening 15 and the second opening 16 are formed at positions that are bilaterally symmetric in the circumferential direction of the branch plug body 10.

  Further, as shown in FIG. 7, a closing member 70 is inserted in the upper portion 11 b of the hot water side flow passage 11 in the branch plug main body 10. The outer diameter of the closing member 70 is substantially the same as the inner diameter of the upper portion 11b of the hot water side channel 11 so that the closing member 70 can be inserted into the upper portion 11b of the hot water side flow channel 11. It is formed in a cylindrical shape that is substantially the same as the inner diameter of the lower portion 11 c of the flow path 11. The length of the closing member 70 in the axial direction is formed so as to be substantially the same as the length of the upper portion 11 b of the hot water channel 11. In the middle part of the closing member 70, that is, in the portion corresponding to the part where the horizontal hole 14 and the hot water side channel 11 communicate with each other when the closing member 70 is inserted into the upper part 11 b of the hot water side channel 11, A concave groove 72 is formed. The closing member 70 is formed with positioning grooves (not shown) in the upper and lower portions of the concave groove 72, and O-rings 71 and 71 are fitted in the positioning grooves. A circumferential recess is formed at the upper end of the closing member 70, and an annular packing for preventing water leakage is provided. By inserting the blocking member 70 configured in this way into the upper portion 11 b of the hot water side flow path 11, the communication between the horizontal hole 14 and the hot water side flow path 11 is blocked, that is, closed to the horizontal hole 14. The hot water side channel 11 is closed. Therefore, by inserting the closing member 70 into the upper portion 11 b of the hot water side channel 11, the lateral hole 14 is not communicated with the hot water side channel 11, but is communicated only with the water side channel 12.

  The exterior member 20 is a member made of a metal material, and includes an exterior body 21 and an owl nut 23. An owl nut 23 is disposed below the exterior body 21. In the following, the upper part of the exterior member 20 is constituted by a part (hereinafter referred to as the upper part) extending from the middle part of the exterior body 21 to the upper part, and the middle part of the exterior member 20 is constituted by the lower part of the exterior body 21. The lower portion of the exterior member 20 is assumed to be constituted by the owl nut 23.

  The exterior body 21 is formed in a cylindrical shape with the axial direction in which the branch plug body 10 and the cartridge 3 can be accommodated as the vertical direction. Specifically, the inner diameter of the lower portion of the exterior body 21 is formed to be substantially the same as the diameter of the upper and lower middle portions of the branch plug body 10. Further, the inner diameter of the upper part of the exterior body 21 is formed to be substantially the same as the diameter of the upper part of the branch plug body 10 and the diameter of the cartridge 3. The outer diameter of the upper part of the exterior body 21 is formed smaller than the outer diameter of the lower part of the exterior body 21. The boundary between the upper part and the lower part of the exterior body 21 is smaller than the outer diameter of the lower part of the exterior body 21 and larger than the outer diameter of the upper part of the exterior body 21. On the other hand, a stepped portion 22 having a step shape is formed in a circumferential shape. A first through hole 25 and a second through hole 26 that penetrate from the inner peripheral surface to the outer peripheral surface are formed in the lower portion of the exterior body 21. The first through hole 25 is formed on the left side of the exterior body 21 shown in FIGS. The 2nd through-hole 26 is formed in the right side of the exterior main body 21 shown to FIG. 2, FIG. That is, the first through hole 25 and the second through hole 26 are formed to be symmetrical. Moreover, the 1st through-hole 25 and the 2nd through-hole 26 are each formed in the substantially the same position in the up-down direction.

  The fukuro nut 23 is formed in a cylindrical shape whose axial direction is the vertical direction. Specifically, the outer diameter of the owl nut 23 is formed to be substantially the same as the outer diameter of the lower portion of the exterior body 21. The inner diameter of the owl nut 23 is larger than the inner diameter of the lower part of the exterior body 21, that is, is formed so that the branch plug body 10 can be accommodated in a state having a predetermined gap with the branch plug body 10. . At the upper end of the flock nut 23, a circumferential inner protrusion that protrudes radially inward so as to engage with an outer protrusion 17 provided on the branch stopper body 10 when the branch stopper body 10 is disposed therein. A portion 24 is provided. The axial length of the owl nut 23 is such that a connecting pipe 40, which will be described later, is joined to the hot water side opening 11a and the water side opening 12a of the branch plug body 10, and the outer protrusion 17 of the branch plug body 10 and the owl nut. In such a state that the branch plug main body 10 is fitted to the owl nut 23 so that the inner protrusion 24 of the boss 23 is engaged, the connection pipe 40 extends downward from the owl nut 23 by a predetermined length. Is formed. That is, when the branch plug body 10 is fitted to the owl nut 23 so that the outer protrusion 17 of the branch plug body 10 and the inner protrusion 24 of the owl nut 23 are engaged, the connecting pipe 40 extends downward. A female screw is formed on the inner peripheral surface of the flounder nut 23.

  By disposing the crocodile nut 23 below the exterior body 21, the exterior member 20 is configured in a cylindrical shape as a whole, and the branch plug body 10 is fitted therein. In addition, the configuration in which the branch plug body 10 is provided inside the exterior member 20 is, for example, that the owl nut 23 is fitted into the branch plug body 10 from above, and the outer protrusion 17 of the branch plug body 10 and the inner protrusion of the owl nut 23. After engaging the part 24, it can be realized by fitting the exterior body 21 to the branch plug body 10 from above. That is, the branch plug main body 10 is fitted into the exterior member 20 from below.

  The connecting pipe 40 is a member made of a cylindrical metal material having a predetermined length in the axial direction, and is formed with a connecting channel 44 penetrating in the axial direction. 41, a joint portion 42, and an insertion portion 43. The main body 41, which is a portion excluding both ends of the connecting pipe 40, is formed to have a diameter that is larger than the diameters of the lower end portions of the hot water channel 11 and the water channel 12. The joint portion 42 that is one end of the connecting tube 40 and the insertion portion 43 that is the other end are formed to have a smaller diameter than the main body portion 41 of the connecting tube 40. Specifically, the joint 42 of the connecting pipe 40 can be inserted into the hot water side channel 11 or the lower side of the water side channel 12 in the branch plug body 10 so that the hot water side channel 11 or the water side flow can be inserted. It is formed to be substantially the same as the diameter of the lower end portion of the path 12. The insertion part 43 of the connecting pipe 40 is inserted into the hot water side flow pipe 2a or the water side flow pipe 2b of the mixing faucet body 2 so that the hot water side flow pipe 2a or the water side flow path can be inserted. It is formed to be substantially the same as the diameter of the opening of the tube 2b. A male screw is formed on the outer peripheral surface of the joint portion 42 of the connecting pipe 40. A positioning groove (not shown) is formed on the outer peripheral surface of the insertion portion 43 of the connecting pipe 40, and an O-ring is fitted in the positioning groove. The length in the axial direction of the connecting pipe 40 is at least longer than the length in the axial direction of the case 2 d provided in the mixing faucet body 2.

  The branch connection member 30 is a member in which a branch channel 31 penetrating in the axial direction of the hexagon bolt-shaped member is formed in the hexagon bolt-shaped member. Specifically, the branch connection member 30 includes an insertion portion 32 having one end formed in a columnar shape and a hexagonal portion 33 having the other end formed in a hexagonal column shape. The branch connection member 30 is provided integrally with the hexagonal portion 33 on one bottom surface of the insertion portion 32 so that the axial centers of the insertion portion 32 and the hexagonal portion 33 coincide with each other, and the axial direction A branch channel 31 is formed so as to pass through. Further, the outer diameter of the insertion portion 32 in the branch connection member 30 is formed so as to be substantially the same as the diameter (large diameter) in the vicinity of the left and right outer peripheral surfaces in the lateral hole 14 formed in the branch plug main body 10. ing. A male screw is formed on the outer peripheral surface of the insertion portion 32 in the branch connection member 30. The diameter of the branch flow path 31 is formed to be substantially the same as the diameter of the right side (small diameter) in the lateral hole 14 formed in the branch plug body 10. Further, male screws are formed at each corner of the hexagonal portion 33 in the branch connection member 30.

  The cover 50 is a cylindrical member whose axial direction is the vertical direction. The inner diameter of the cover 50 is formed substantially the same as the outer diameter of the step portion 22 of the exterior body 21. That is, the cover 50 has an inner diameter larger than the outer diameter of the upper portion of the exterior member 20. Furthermore, the inner diameter of the cover 50 is formed larger than the outer diameter of the case 2d provided in the mixing faucet body 2. The outer diameter of the cover 50 is formed substantially the same as the outer diameter of the owl nut 23. That is, the cover 50 has an outer diameter that is substantially the same as the outer diameter of the lower portion of the exterior member 20. The length of the cover 50 in the axial direction is such that a connecting pipe 40, which will be described later, is joined to the hot water side opening 11a and the water side opening 12a of the branch plug main body 10, and the outer protrusion 17 of the branch plug main body 10 and the owl nut. The connecting pipe 40 is formed to have a length substantially the same as the length extending downward from the owl nut 23 (the exterior member 20) in a state in which the inner projecting portion 24 of the 23 is engaged.

  By combining the branch plug body 10, the exterior member 20, the pair of branch connection members 30, 30, the pair of connecting pipes 40, 40 and the cover 50 configured as described above, 1 is configured. Below, the procedure of the said combination is demonstrated concretely.

  Cover the branch plug main body 10 and the owl nut 23 by covering the branch plug main body 10 from above. And the exterior main body 21 is covered from the upper part of the branch plug main body 10 of the state which concerns, and the branch stopper main body 10 and the exterior main body 21 are fitted. In this case, the position of the first opening 15 provided in the branch plug body 10 and the position of the first through hole 25 formed in the exterior body 21 and the second opening 16 provided in the branch plug body 10 are described. Both are fitted in a state in which the position and the position of the second through hole 26 formed in the exterior body 21 are matched.

  Furthermore, the insertion part 32 which is one end of one branch connection member 30 is inserted into the first through hole 25, and the insertion part 32 of the branch connection member 30 and the first opening 15 are directly joined. Further, the insertion portion 32 which is one end of the other branch connection member 30 is inserted into the second through hole 26, and the insertion portion 32 of the branch connection member 30 and the second opening portion 16 are directly joined. The first opening 15 and the second opening 16 are joined to the insertion portions 32 and 32 of the branch connection members 30 and 30 by connecting the female screw formed in the lateral hole 14 in the branch plug body 10 and the branch connection members 30 and 30. This is carried out by screwing the male screw formed on the. In this case, the female screw of the lateral hole 14 and the male screw of the branch connection members 30 and 30 are sealed in a watertight manner by interposing a sealing material such as an adhesive.

  An O-ring is fitted to the base portion of the joint portion 42 in one of the connection pipes 40, and the female screw formed in the hot water side opening 11 a of the branch plug body 10 and the joint portion 42 of the one connection pipe 40 are formed. Screw the external male screw. Further, an O-ring is fitted to the base of the joint portion 42 in the other connection pipe 40, and the female screw formed in the water side opening 12 a of the branch plug main body 10 and the joint portion 42 of the other connection pipe 40 are connected. The formed male screw is screwed together. Thus, the one end of the connecting pipe 40 is integrally joined to the hot water side opening 11a or the water side opening 12a, and the connecting pipe 40 is attached to the branch plug main body 10, whereby the hot water side flow of the branch plug main body 10 is obtained. The path 11 and the water side flow path 12 and the connection flow path 44 of the connection pipe 40 are communicated. Further, the hot water side opening portion 11a and the water side opening portion 12a of the branch plug body 10 and the joint portion 42 of the connecting pipe 40 are watertightly sealed by interposing a sealing material such as an adhesive. . In this state, the connecting tube 40 is extended downward from the exterior member 20. The cover 50 can be disposed so as to cover the outer peripheral surface of the upper portion of the exterior member 20, or can be disposed at the lower end portion of the exterior member 20 to cover the outer periphery of the connecting pipes 40 and 40. Yes. In this way, the branch plug 1 is constituted by the branch plug body 10, the exterior member 20, the pair of branch connection members 30 and 30, the pair of connecting pipes 40 and 40, and the cover 50. .

  The branch plug 1 is disposed above the mixing faucet main body 2 and is attached to the mixing faucet 80 by accommodating the cartridge 3 therein. In the following, regarding the procedure for placing the cartridge 3 inside the mixing faucet body 2 and the case where the case 2d provided in the mixing faucet body 2 is exposed, and the case The description will be divided into the case of the specification in which 2d is not exposed.

  The case where the case 2d provided in the mixing faucet body 2 is exposed will be described with reference to FIG. The mixing faucet body 2 shown in FIG. 5B is provided with a cylindrical case 2d for opening the cartridge 3 so as to open upward. Moreover, the case 2d of the mixing faucet main body 2 shown in FIG.5 (b) is an exposed specification. The specification in which the case 2d is exposed indicates a specification in which the outer peripheral surface of the case 2d is exposed from the exterior of the mixing faucet body 2. A male screw is formed on the outer peripheral surface of the upper end portion of the case 2d. Such a case 2d is covered with a cover nut 4 in a normal use state. For this reason, in the normal use state, even if the specification is such that the case 2d is exposed from the exterior of the mixing faucet body 2, the appearance of the mixing faucet 80 is not impaired.

  In the case of the specification in which the case 2d is exposed, as shown in FIG. 5A, the cover 50 is disposed at the lower end portion of the exterior member 20, that is, the connecting pipes 40 and 40 are covered. Then, as shown in FIG. 5B, when the branch plug 1 in such a state is arranged above the mixing faucet body 2 and attached to the mixing faucet 80, the cover 50 is positioned on the outer peripheral portion of the case 2d. Thus, the outer peripheral surface of the case 2d is covered. Moreover, the insertion part 43 of the connection pipe 40 joined to the hot water side opening part 11a of the branch plug main body 10 is connected to the opening part of the hot water side flow pipe 2a provided in the mixed water tap main body 2 and the branch plug. While inserting the insertion part 43 of the connection pipe 40 joined to the water side opening part 12a of the main body 10 into the opening part of the water side flow path pipe 2b provided in the mixing water tap main body 2, respectively, the mixing water tap The branch plug 1 is placed above the main body 2. As described above, by placing the branch plug 1 above the mixed water faucet body 2, the hot water side flow pipe 2a and the hot water side flow path 11 and the water side flow pipe 2b and the water side flow path 12 are provided. Are communicated with each other through the connecting flow paths 44 and 44 of the connecting pipes 40 and 40, respectively.

  Next, the owl nut 23 is rotated with respect to the branch plug main body 10, and the female screw formed on the inner peripheral surface of the owl nut 23 and the male screw formed on the outer peripheral surface of the upper end portion of the case 2d are screwed together. Go. By screwing the female screw and the male screw, the owl nut 23 (the exterior member 20) is joined to the upper end portion of the case 2d. In addition, by screwing the female screw and the male screw in this way, the outer protrusion 17 of the branch plug body 10 and the inner protrusion 24 of the owl nut 23 are engaged, and the branch plug 1 is moved downward. It is pressed and fixed to the mixing faucet body 2. Then, the cartridge 3 is housed in the exterior body 21 from above the branch plug body 10. Further, the cover nut 4 to which the handle lever 5 is attached is placed on the exterior member 20, and the cover nut 4 is screwed to the upper end portion of the exterior body 21, so that the branch plug 1 is attached to the mixing faucet body 2. .

  The case where the case 2d provided in the mixing faucet body 2 is not exposed will be described with reference to FIG. The mixing faucet body 2 shown in FIG. 6 (b) is similar to the mixing faucet body 2 shown in FIG. 5 (b) so that a cylindrical case 2d for housing the cartridge 3 opens upward. Is provided. However, the specification of the case 2d of the mixing faucet body 2 shown in FIG. 6B is not exposed. The specification in which the case 2d is not exposed indicates a specification in which the outer peripheral surface of the case 2d is covered with the exterior of the mixing faucet body 2. However, as shown in FIG. 6B, the entire outer peripheral surface of the case 2d does not need to be covered with the exterior of the mixing faucet body 2, and the upper end of the case 2d to which the branch plug 1 is screwed is mixed. Those not exposed from the faucet body 2 are also included in the specifications where the case 2d is not exposed. In the case where the case 2d is not exposed, as shown in FIG. 6A, the cover 50 is covered from above the exterior member 20, and the outer peripheral surface of the step portion 22 of the exterior body 21 and the lower end portion of the cover 50 are covered. The step 22 of the exterior body 21 is fitted to the lower end of the cover 50 by contacting the inner peripheral surface of the cover 50. In this way, the cover 50 is disposed so as to cover the outer peripheral surface of the upper portion of the exterior member 20. Then, the branch plug 1 in such a state is disposed above the mixed water faucet body 2. In addition, in the description which is arrange | positioned above the mixing faucet main body 2 from now on, and accommodates the cartridge 3 in the inside, the case where the case 2d with which the mixing faucet main body 2 mentioned above was exposed is the case of the specification. Since it is the same, the description is abbreviate | omitted.

  As described above, the branch plug 1 includes the connecting pipe 40 whose one end is integrally joined to the hot water side opening 11 a or the water side opening 12 a of the branch plug main body 10. For this reason, the insertion part 43 of the connecting pipe 40 joined to the hot water side opening 11a when the branch plug 1 is arranged above the mixed water faucet body 2 is used as the hot water side flow pipe 2a of the mixed water faucet body 2. In the operation of inserting the insertion part 43 of the connecting pipe 40 joined to the opening part of the water-side opening part 12a into the opening part of the water-side channel pipe 2b of the mixing faucet body 2, respectively. The mounting posture of the connecting pipe 40 with respect to the branch plug body 2 is constant, the other end of the connecting pipe 40 is stabilized at a desired position, and the hot water side opening 11a or the water side opening of the branch plug body 10 The connecting pipe 40 does not easily fall off from 12a. Therefore, the work of attaching the branch plug 1 to the mixed water faucet body 2 can be easily performed.

  Further, the branch plug 1 is formed by screwing a female screw formed in the hot water side opening portion 11a or the water side opening portion 12a and a male screw formed in the connecting pipe 40 into the hot water side opening portion 11a or the water side opening. One end of the connecting pipe 40 is integrally joined to the opening 12a. For this reason, the mounting posture of the connecting pipe 40 with respect to the branch plug body 2 is more constant, and the other end of the connecting pipe 40 is stabilized at a desired position, and the hot water side opening 11a of the branch plug body 10 or The connecting pipe 40 will not easily fall off from the water side opening 12a. Therefore, the work of attaching the branch plug 1 to the mixing faucet body 2 can be performed more easily. Moreover, such a branch plug 1 can be realized with a simple structure. Further, for example, compared to the case where the branch plug body 10 is formed into a shape in which the hot water side opening portion 11a and the water side opening portion 12a and the joint portions 42 and 42 of the connecting pipes 40 and 40 are joined by a mold or the like. The branch plug 1 having a configuration in which one end of the connecting pipe 40 is integrally joined to the hot water side opening 11a or the water side opening 12a can be realized at low cost.

  Here, in the conventional branch plug, when the fukuro nut and the case 2d of the mixed water faucet body 2 are screwed together with the branch plug body provided in the outer member, the fukuro nut and the outer body are engaged. There was something like that. In such a configuration, the branch plug body can be easily moved within the exterior member even in a state where the owl nut is screwed into the case 2d of the mixing faucet body 2 and the exterior member is fixed to the mixed faucet body 2. When the branch plug is arranged between the mixed water faucet body 2 and the cartridge 3, the arrangement work may be complicated. However, the branch plug 1 has a tubular plug body 10 fitted from below and includes a tubular outer member 20. The exterior member 20 is provided with an inner protrusion 24 that protrudes radially inward, and includes an owl nut 23 having an internal thread formed on the inner peripheral surface thereof. The branch plug body 10 is provided with an outer protrusion 17 that protrudes radially outward and engages with the inner protrusion 24 within the exterior member 20. Then, when the branch plug 1 is disposed above the branch plug body 10, the female screw of the owl nut 23 and the male screw of the case 2 d provided in the mixing faucet body 2 are screwed together, whereby the owl nut 23 (exterior member) 20) is joined to the upper end of the case 2d of the mixing faucet body 2. In addition, by screwing the female screw and the male screw in this way, the outer protrusion 17 of the branch plug body 10 and the inner protrusion 24 of the owl nut 23 are engaged, and the branch plug 1 is moved downward. It is pressed and fixed to the mixing faucet body 2 and does not move. Therefore, the work of attaching the branch plug 1 to the mixed water faucet body 2 can be easily performed.

  The branch plug 1 is provided in the mixing faucet body 2 which is larger than the length of the axial direction of the connecting pipe 40 extending from the exterior member 20 and larger than the outer diameter of the upper portion of the exterior member 20. A cover 50 having an inner diameter larger than the outer diameter of the case 2d. For this reason, in the case where the case 2d provided in the mixing faucet body 2 is exposed, the cover 50 is disposed at the lower end of the exterior member 20, that is, so as to cover the connecting pipes 40 and 40. The branch plug 1 is disposed above the mixing faucet main body 2 so that the outer peripheral surface of the case 2d is hidden by the cover 50, that is, the case 2d cannot be visually recognized from the outside. Can be installed. Further, in the case where the case 2d provided in the mixing faucet body 2 is not exposed, the cover 50 can be arranged so as to cover the outer peripheral surface of the upper portion of the exterior member 20. Therefore, whether the specification of the case 2d provided in the mixing faucet body 2 is exposed or the specification where the case 2d is not exposed, the appearance of the mixing tap 80 using the branch plug 1 is not impaired. The branch plug 1 can be disposed above the mixed water faucet body 2. Further, the branch plug 1 can be arranged in the mixing faucet body 2 regardless of the specification in which the case 2d provided in the mixing faucet body 2 is exposed or the specification in which the case 2d is not exposed. The manufacturing cost of the branch plug 1 can be reduced.

  The branch plug 1 includes a pair of branch connection members 30 and 30. For this reason, even when there are two connection objects, the pair of branch connection members 30 and 30 and the two connection objects can be connected at the same time, and the kitchen work can be performed well. .

  In the branch plug 1, the insertion portions 32 and 32 of the branch connection members 30 and 30 are screwed and inserted into the first opening 15 and the second opening 16 of the branch plug body 10, and the first opening 15 and The 2nd opening part 16 and the insertion parts 32 * 32 are joined directly. That is, the circumferential position where the branch connection members 30 and 30 are joined to the branch plug body 10 is determined by the circumferential positions of the first opening 15 and the second opening 16 included in the branch plug body 10. Yes. For this reason, in the branch plug 1, when the branch plug 1 is arranged above the mixed water faucet body 2, the operation of adjusting the circumferential position of the branch connection members 30 and 30 is not particularly required. . Therefore, the work of attaching the branch plug 1 to the mixed water faucet body 2 can be easily performed.

  The first and second openings 15 and 16 included in the branch plug body 10 and the insertion parts 32 and 32 of the branch connection members 30 and 30 are directly joined in a watertight manner to form the branch plug body 10. The formed lateral hole 14 and the branch flow paths 31 and 31 formed in the branch connection members 30 and 30 are communicated with each other. For this reason, the branch plug 1 does not need to interpose a sealing member on the outer peripheral surface of the branch plug main body 10 (up and down of the first opening 15 and the second opening 16 included in the branch plug main body 10). Therefore, when fitting the branch plug main body 10 and the exterior main body 21, it is not necessary to worry about the damage of the seal member, and the work is not required to be skillful. Therefore, the work becomes easy and the water tightness of the branch plug 1 is ensured. Can be secured. Furthermore, it is not necessary to secure a space for disposing the sealing member in the branch plug main body 10, the length of the branch plug main body 10 can be shortened, and the branch plug 1 having a reduced height overall is provided. It can be configured.

  In the branch plug 1, the first opening 15 and the second opening 16 are directly joined to one end of the branch connection members 30 and 30, so that the lateral hole 14 and the first branch flow paths 31 and 31 are connected. Communicated. For this reason, in the branch plug 1, water is branched into the branch channel 31 without forming a lateral groove communicating with the first opening 15 and the second opening 16 (lateral hole 14) in the branch plug body 10. Can do. Therefore, the process of forming a lateral groove in the branch plug main body 10 can be omitted, and as a result, the manufacturing cost of the branch plug 1 can be reduced.

  The first opening 15 and the second opening 16 of the branch plug main body 10 are respectively formed at positions that are left-right symmetrical in the circumferential direction. The first through-hole 25 and the second through-hole 26 of the exterior body 21 are formed at positions that are left-right symmetric in the circumferential direction. For this reason, when one branch connection member 30 and the first opening 15 and the other branch connection member 30 and the second opening 16 are joined, the respective branch connection members 30 and 30 are In addition, they extend from the exterior member 20 symmetrically in plan view. Therefore, even if the connection object is arranged in either the left or right direction, the respective branch connection members 30 and 30 and the connection object can be easily connected.

  The first opening 15 and the second opening 16 of the branch plug body 10 are formed at the same height in the vertical direction. The first through hole 25 and the second through hole 26 of the exterior body 21 are each formed at the same height in the axial direction. For this reason, when one branch connection member 30 and the first opening 15 and the other branch connection member 30 and the second opening 16 are joined, the respective branch connection members 30 and 30 are in front. As viewed, they extend from the exterior member 20 at the same height in the axial direction. Therefore, the branch plug 1 including the two branch connection members 30 and 30 can be realized without increasing the axial length of the branch plug 1.

  As shown in FIG. 8, the opening portion of the branch flow path 31 formed on the other end side of the branch connection member 30 joined to the second opening portion 16 can be closed using a lid member 60 such as a blind plug. Is possible. Specifically, the lid member 60 is a bowl-shaped member having an inner diameter substantially the same as the outline of the hexagonal portion 33 in the branch connection member 30. The outer peripheral surface of the lid member 60 is formed in a hexagonal nut shape, and the inner peripheral surface of the lid member 60 is formed with a female screw. An annular packing 61 for preventing water leakage is provided inside the lid member 60, and a male screw formed on the hexagonal portion 33 of the branch connection member 30 and a female screw formed on the lid member 60 are screwed. Combine. In this way, when the connection object is not connected to the branch connection member 30, the opening portion of the branch flow path 31 can be closed to prevent an erroneous outflow of hot water or water.

  In addition, although the connecting pipe 40 is integrally joined to both the hot water side opening part 11a and the water side opening part 12a of the branch plug main body 10, the present invention is the hot water of the branch plug main body 10. The present invention is not limited to one in which the connecting pipe 40 is integrally joined to either the side opening 11a or the water side opening 12a. That is, in the present invention, the connecting pipe 40 may be integrally joined to at least one of the hot water side opening 11a and the water side opening 12a.

  In the present invention, the integral joining method of the hot water side opening portion 11a and the water side opening portion 12a of the branch plug main body 10 and the joint portions 42 and 42, which are one end portions of the connecting pipes 40 and 40, includes hot water. The side opening 11a and the water side opening 12a and the joint portions 42 and 42 of the connecting pipes 40 and 40 are not limited to being screwed together. That is, the hot water side opening 11a and the water side opening 12a and the joint portions 42 and 42 of the connecting pipes 40 and 40 may be integrally joined by an adhesive. Moreover, the branch plug main body 10 may be formed into a shape in which the hot water side opening portion 11a and the water side opening portion 12a are joined to the joint portions 42 and 42 of the connecting pipes 40 and 40.

  In the present invention, the water-side flow path 12 may be blocked by the closing member 70. Moreover, when both the water side flow path 12 and the hot water side flow path 11 are formed so that the closing member 70 can be inserted, either the hot water side flow path 11 or the water side flow path 12 is used. It becomes possible to select and block.

DESCRIPTION OF SYMBOLS 1 Branch plug 10 Branch plug main body 11 Hot water side flow path 11a Hot water side opening part 12 Water side flow path 12a Water side opening part 40 Connection pipe

Claims (4)

A bifurcated plug (1) disposed above a mixed water faucet body (2) which is a constituent member of the mixed water faucet (80),
A hot water side channel (11) penetrating in the axial direction and a water side channel (12) penetrating in the axial direction are formed, and an opening to the bottom surface of the hot water side channel (11) is formed. A branch plug body (10) configured as a hot water side opening (11a), and an opening to the bottom surface of the water side channel (12) is configured as a water side opening (12a);
A tubular connecting pipe (40) having one end integrally joined to at least one of the hot water side opening (11a) and the water side opening (12a) ,
The branch plug (1) includes a tubular exterior member (20) that extends the connecting pipe (40) downward and fits the branch plug body (10),
The connecting pipe (40) is substantially the same length in the axial direction as the length extending from the exterior member (20), and is larger than the outer diameter of the upper part of the exterior member (20), and the mixed water It has an inner diameter larger than the outer diameter of the case (2d) provided in the stopper body (2), and covers the outer periphery of the connecting pipe (40) when the branch stopper (1) is attached to the mixing tap (80). And a cylindrical cover (50) arranged in the manner described above . A bifurcated plug (1) disposed above a mixed water faucet body (2) which is a constituent member of the mixed water faucet (80),
A hot water side channel (11) penetrating in the axial direction and a water side channel (12) penetrating in the axial direction are formed, and an opening to the bottom surface of the hot water side channel (11) is formed. A branch plug body (10) configured as a hot water side opening (11a), and an opening to the bottom surface of the water side channel (12) is configured as a water side opening (12a);
A tubular connecting pipe (40) having one end integrally joined to at least one of the hot water side opening (11a) and the water side opening (12a),
The branch plug (1) includes a tubular exterior member (20) that extends the connecting pipe (40) downward and fits the branch plug body (10),
The connecting pipe (40) is substantially the same length in the axial direction as the length extending from the exterior member (20), and is larger than the outer diameter of the upper part of the exterior member (20), and the mixed water An inner diameter larger than the outer diameter of the case (2d) included in the plug body (2), and when the branch plug (1) is attached to the mixing tap (80), the upper portion of the exterior member (20) A branch plug , further comprising a cylindrical cover (50) disposed so as to cover the outer peripheral surface . In the branch plug according to claim 1 or 2,
A female screw is formed on the inner peripheral surface of the hot water side opening (11a) or the water side opening (12a), and a male screw is formed on the outer peripheral surface of one end of the connecting pipe (40).
By screwing a female screw formed in the hot water side opening (11a) or the water side opening (12a) and a male screw formed in the connecting pipe, the hot water side opening (11a) or One end of the connecting pipe (40) is integrally joined to the water side opening (12a). In the branch plug according to claim 1 or 2,
The exterior member (20) is provided with an inner protrusion (24) protruding radially inward, and the branch plug body (10) is fitted from below.
The branch plug body (10) is provided with an outer protrusion (17) that protrudes radially outward and engages with the inner protrusion (24) in the exterior member (20). Branch plug to do.

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