JP4976664B2 - Mixer tap - Google Patents

Description

  The present invention relates to a mixing faucet that can adjust the flow rate of water and the temperature of mixed water by operating a single lever only in the horizontal direction.

  Patent Literature 1 discloses a mixing faucet that is used in a sink, a washbasin, or the like and that can adjust the flow rate of water and the temperature of mixed water by operating a single lever only in the horizontal direction. There are things.

Briefly describing the mixing faucet of this Patent Document 1, a ceramic fixing plate provided with a water inlet, a hot water inlet, and an outlet penetrating both sides, and a ceramic made of a concave groove in communication channel communicating with the outlet. A plate valve unit is configured with the movable plate facing up and down, the plate valve unit is accommodated in a casing attached to the upper part of the faucet body, the movable plate and the lever are connected, and the movable plate In the distribution groove of the water, a lever is provided in the center by providing a water inlet communicating with the water inlet when supplying water, a hot water guide opening communicating with the hot water inlet when supplying only mixed water and hot water, and a water inlet communicating with the water inlet when supplying mixed water. When rotated from one position to the other, the flow rate of water is adjusted, and when rotated from the central position to the other, the temperature of the mixed water is adjusted.
Japanese Patent Publication No. 5-27793

By the way, in a mixed faucet in which the flow rate of water and the temperature of mixed water are adjusted by operating this type of lever, a ceramic fixing plate housed inside the faucet body as a temperature adjusting mechanism for the mixed water And a movable plate. The fixed plate and the movable plate are disk-shaped, and the fixed plate has a water hole communicating with the water chamber of the faucet body, a hot water hole communicating with the hot water chamber, and a mixed water hole communicating with the mixing chamber. In order to supply a sufficient amount of mixed water, it is necessary to increase the opening area of each hole. However, since the fixed plate has a disk shape, if the opening area of each hole is widened, the fixed plate and the movable plate become larger in diameter. The casing attached to the upper part of the faucet body includes a fixed plate and a movable plate. A large space for accommodating the adjusting mechanism is required, and the casing has a large diameter in accordance with the adjusting mechanism.
In addition, the fixing plate has water holes, hot water holes, and mixed water holes that penetrate vertically in the vertical direction, and water and hot water are introduced upward from the bottom side, so it is adjusted to a low position inside the faucet body flow path. The mechanism could not be accommodated, and as a result, the casing in which the adjustment mechanism was accommodated protruded significantly upward from the faucet body.
As described above, the mixed faucet of Patent Document 1 has a bad appearance because the casing in which the plate valve unit is accommodated protrudes greatly from the faucet body to the upper part, and the vicinity of the lever that is easily noticed by the user becomes large. Met. Further, when operating the lever in the horizontal direction, the casing that protrudes greatly from the faucet body toward the upper part is an obstacle.

  The present invention has been made paying attention to such problems existing in the prior art, and its purpose is to operate a single lever only in the horizontal direction so that the flow rate of water and mixed water can be reduced. In the mixing faucet in which the temperature is adjusted, a large flow rate of water can be secured and the aesthetics can be improved.

In order to achieve the above-mentioned object, a mixing faucet according to claim 1 includes a faucet body in which a water chamber and a hot water chamber are formed, a water flow rate and a mixed water in communication with the water chamber and the hot water chamber. A mixing faucet comprising a mixing member for adjusting temperature and flow rate, and a lever connected to the mixing member, wherein the flow rate of water and the temperature of the mixed water are adjusted only by operating the lever in the horizontal direction. The main body has an opening hole in which the mixing member is accommodated between the water chamber and the hot water chamber. The mixing member has a water inlet hole communicating with the water chamber and a hot water inlet hole communicating with the hot water chamber in the same axial direction. An outer cylinder formed on the axis, and a first water communication hole that is rotatably accommodated in the outer cylinder and communicates with the water inlet hole, a second water communication hole, and a hot water communication hole that communicates with the hot water inlet hole. consists of a cylindrical inner formed, in the first water communication holes and the second water communication holes, the direction opposite to the central axis of the inner cylinder And is open on the same horizontal line, rotate the inner cylinder with operation in the horizontal direction of the lever, the first water communication holes of the water inlet holes and the inner tube of the barrel is adjusted flow rate of water by communicating The temperature of the mixed water is adjusted by the water inlet hole of the outer cylinder and the second water communication hole of the inner cylinder, and the hot water inlet hole of the outer cylinder and the hot water communication hole of the inner cylinder communicating with each other. It is.

  The mixing faucet according to the invention of claim 1 is the mixing faucet according to the invention of claim 1, wherein the mixing member has a water inlet hole and a hot water inlet hole of the outer cylinder formed on the side surfaces, respectively, It is a side-to-side orientation.

  In claim 1 of the present invention, the mixing member of the mixing faucet has a water inlet and a hot water inlet formed on the outer peripheral surface, so that the outer diameter can be reduced while ensuring a sufficient amount of water flow. The faucet body in which the member is accommodated can be formed compactly, and a mixed faucet with excellent design can be provided.

  According to the second aspect, in the mixed water faucet according to the first aspect of the present invention, the protruding dimension to the upper part of the faucet body is suppressed, and the aesthetic appearance is improved.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an overall view of a mixing faucet 1 of the present invention.
The mixing faucet 1 has a faucet body 2 formed in a horizontally long shape, a water supply pipe 3 and a hot water supply pipe 4 connected to the left and right ends on the back side of the faucet body 2, and mixed water adjusted by the faucet body 2. The water supply pipe 3 communicates with the water supply source, and the hot water supply pipe 4 communicates with the hot water supply source. The faucet body 2 is hollow, and a water chamber 5 communicating with the flow path of the water supply pipe 3 and a hot water chamber 6 communicating with the flow path of the hot water supply pipe 4 are formed on the left and right sides of the internal space. 5 and the hot water chamber 6 are partitioned by a partition wall 7 at the approximate center of the faucet body 2, and a through hole 8 is formed in the partition wall 7 in the vertical direction. The faucet body 2 has a first cylindrical portion 9 formed from substantially the center toward the upper portion, and an opening hole 10 communicating with the water chamber 5 is opened in the first cylindrical portion 9 toward the upper portion. A mixing member 15 is mounted in a vertical direction from the hole 10 toward the water chamber 5, the through hole 8 of the partition wall 7, and the hot water chamber 6. The mixing member 15 is fixed inside the through hole 8 by coupling the nut 11 to the outer peripheral surface of the first cylindrical portion 9. In the lower part of the faucet body 2, a second cylindrical portion 12 is formed on the same vertical axis as the first cylindrical portion 9, and a water discharge chamber 13 for discharging mixed water is formed in the second cylindrical portion 12, A discharge pipe 14 is rotatably connected to the outer peripheral surface.

  The mixing member 15 shown in FIGS. 2 and 3 adjusts the flow rate of water and the temperature of the mixed water. The mixing member 15 has an outer cylinder 16 formed in a hollow cylindrical shape, and is rotatable inside the outer cylinder 16. And an inner cylinder 25 to be accommodated. An opening hole 17 for accommodating the inner cylinder 25 in the axial direction is formed at one end of the outer cylinder 16, a water inlet hole 18 communicating with the water chamber 5 of the faucet body 2, and the hot water chamber 6. And a hot water inlet hole 19 communicating with each other are formed on the same axial line in the axial direction. Further, an insertion hole 20 having a smaller diameter than the opening hole 17 is formed at the center of the other end of the outer cylinder 16.

  As shown in FIG. 3, annular grooves 21 are formed on the outer peripheral surface of the outer cylinder 16 at a total of three locations between the inlet holes 18 and 19 and at both outer ends of the inlet holes 18 and 19. A seal material 22 is attached to each 21. Further, a groove hole 23 is formed in the inner wall surface of the outer cylinder 16 around the inlet holes 18 and 19 along the axial direction, and a sheet member 24 is mounted in the groove hole 23. This sheet member 24 seals between the inner wall surface of the outer cylinder 16 and the outer wall surface of the inner cylinder 25 in a watertight manner, and is made of rubber, a synthetic resin material, or other elastic body, It is in close contact with the inner wall surface around the inlet holes 18 and 19 and seals between the inner wall surface of the outer tube 16 and the outer peripheral surface of the inner tube 25 in a watertight manner.

  The inner cylinder 25 is rotatably accommodated inside the outer cylinder 16, and a spindle 26 through which the insertion hole 20 of the outer cylinder 16 is inserted is connected to one end, and the insertion hole is inserted from the opening hole 17 of the outer cylinder 16. It is accommodated so as to be coaxial with 20. A first water communication hole 27 and a second water communication hole 28 that communicate with the water inlet hole 18 of the outer cylinder 16 and a third hot water communication hole that communicates with the hot water inlet hole 19 of the outer cylinder 16 are provided on the outer peripheral surface of the inner cylinder 25. 29 is formed. The first water communication hole 27 and the second water communication hole 28 open in the direction facing the central axis of the inner cylinder 25 and on the same horizontal line. A fourth communication hole 30 is formed at the other end of the spindle 26 to communicate with the water discharge chamber 13 formed in the second cylindrical portion 12 of the faucet body 2.

  A lever 31 is attached to the tip of the spindle 26, and the lever 31 is exposed to the upper part from the first cylindrical portion 9 of the faucet body 2, and the inner cylinder 25 is connected to the outer cylinder 16 by operating the lever 31 in the horizontal direction. The water and hot water rotating inside and passing through the inlet holes 18 and 19 of the outer cylinder 16 are supplied into the inner cylinder 25, and after the water and hot water are mixed inside the inner cylinder 25, the fourth It is supplied to the water discharge pipe 14 from the communication hole 30. In this case, the lever 31 is in the water stop position at the center, and when rotated from the water stop position to one side, only water supplied from the water chamber 5 is supplied. When the lever 31 is rotated in the horizontal direction, the inner cylinder 25 rotates inside the outer cylinder 16, and water or mixed water is supplied from the water discharge pipe 14 to the outside.

Next, the operation of this mixing faucet will be described.
FIGS. 3A and 3B show a water stop state in which neither water nor mixed water is supplied. In this state, the water inlet hole 18 of the outer cylinder 16 of the mixing member 15 and the first water communication hole 27 and the second water communication hole 28 of the inner cylinder 25, the hot water inlet hole 19 of the outer cylinder 16 and the first of the inner cylinder 25. All three hot water communication holes 29 are blocked by a partition wall 25 a of the inner cylinder 25. Accordingly, the water and hot water supplied from the water chamber 5 and the hot water chamber 6 of the faucet body 2 to the mixing member 15 are blocked by the outer cylinder 16 and the inner cylinder 25, and the fourth communication hole 30 of the inner cylinder 25. Is not supplied to the water discharge pipe 14.

  In order to supply water from the water discharge pipe 14, the lever 31 is horizontally operated from the center position to the right. 4 (a) and 4 (b), in this state, the mixing member 15 communicates with the water inlet hole 18 of the outer cylinder 16 and the first water communication hole 27 of the inner cylinder 25, so that the outer cylinder 16 The hot water inlet hole 19 and the third hot water communication hole 29 of the inner cylinder 25 are blocked by a partition wall 25 a of the inner cylinder 25. Accordingly, water is supplied from the water chamber 5 of the faucet body 2 to the first water communication hole 27 of the mixing member 15, but hot water is not supplied from the hot water chamber 6 to the third hot water communication hole 29 of the mixing member 15. Water is supplied from the water discharge pipe 14.

  In order to supply mixed water from the water discharge pipe 14, the lever 31 is horizontally operated from the center position to the left. As shown in FIGS. 5A and 5B, in this state, the mixing member 15 communicates with the water inlet hole 18 of the outer cylinder 16 and the second water communication hole 28 of the inner cylinder 25, and the outer cylinder 16. The hot water inlet hole 19 and the third hot water communication hole 29 of the inner cylinder 25 communicate with each other. Accordingly, water and hot water are supplied from the water chamber 5 and the hot water chamber 6 of the faucet body 2 to the mixing member 15, and water and hot water are mixed inside the inner cylinder 25. The mixed water passes through the fourth communication hole 30 of the inner cylinder 25 and is supplied from the water discharge pipe 14.

  In order to supply only hot water from the water discharge pipe 14, the lever 31 is horizontally operated further leftward from the water discharge position of the mixed water. 6 (a) and 6 (b), in this state, the mixing member 15 communicates with the hot water inlet hole 19 of the outer cylinder 16 and the third hot water communication hole 29 of the inner cylinder 25, so that the outer cylinder 16 The water inlet hole 18 and the first water communication hole 27 and the second water communication hole 28 of the inner cylinder 25 are blocked by the partition wall 25 a of the inner cylinder 25. Accordingly, hot water is supplied from the hot water chamber 6 of the faucet body 2 to the mixing member 15, but water is not supplied from the water chamber 5 to the mixing member 15, and hot water is supplied from the water discharge pipe 14.

  As described above, in the mixing faucet of the present invention, the mixing member has a cylindrical structure composed of the outer cylinder and the inner cylinder, and the water inlet and hot water inlet of the outer cylinder are formed on the outer peripheral surface of the outer cylinder. Therefore, the water flow area can be widened compared to the conventional plate-shaped fixed plate, the faucet body that accommodates this mixing member can be formed compactly, and the mixing faucet with excellent design Can be provided.

It is a partial longitudinal cross-sectional view of the mixed water tap of this invention. It is a perspective view of the mixing member accommodated in the mixing faucet of this invention. (A) is a longitudinal cross-sectional view which shows the mixing member of a water stop state, (b) is a top view which shows the position of a lever. (A) is a longitudinal cross-sectional view which shows the mixing member of a water full open supply state, (b) is a top view which shows the position of a lever. (A) is a longitudinal cross-sectional view which shows the mixing member of a mixed water supply state, (b) is a top view which shows the position of a lever. (A) is a longitudinal cross-sectional view which shows the mixing member of a hot water supply state, (b) is a top view which shows the position of a lever.

Explanation of symbols

1: Mixer faucet 2: Faucet body 5: Water chamber 6: Hot water chamber 15: Mixing member 16: Outer cylinder 17: Opening hole 18: Water inlet hole 19: Hot water inlet hole 25: Inner cylinder 25a: Septum 27, 28 : Water communication hole 29: Hot water communication hole

Claims (2)

A faucet body in which a water chamber and a hot water chamber are formed, a mixing member that communicates with the water chamber and the hot water chamber, adjusts the flow rate of water, the temperature and flow rate of the mixed water, and a lever that is connected to the mixing member. In the mixing faucet in which the flow rate of water and the temperature of the mixed water are adjusted only by operating the lever in the horizontal direction, the faucet body has an opening hole for accommodating the mixing member between the water chamber and the hot water chamber. The mixing member is formed so that a water inlet hole communicating with the water chamber and a hot water inlet hole communicating with the hot water chamber are formed on the same axis in the axial direction, and the mixing member is rotatably accommodated inside the outer cylinder. A first water communication hole and a second water communication hole communicating with the water inlet hole, and an inner cylinder formed with a hot water communication hole communicating with the hot water inlet hole, the first water communication hole and the second water communication hole. the hole, in a direction opposite to the center axis of the inner cylinder, and is open on the same horizontal line, the operation in the horizontal direction of the lever The inner cylinder rotates, the first water communication holes of the water inlet holes and the inner tube of the barrel is adjusted flow rate of water by communicating with a second water communication holes for water inlet hole and the inner tube of the outer tube, and A mixing faucet characterized in that the temperature of the mixed water is adjusted by communicating the hot water inlet hole of the outer cylinder and the hot water communication hole of the inner cylinder.   2. The mixing according to claim 1, wherein the mixing member has a water inlet hole and a hot water inlet hole of an outer cylinder formed on side surfaces thereof, and faces the water chamber and the hot water chamber of the faucet body in a lateral direction. Water faucet.

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