Shower head

Abstract

To make a water temperature of mist water discharge less likely to go lower.SOLUTION: A shower head is equipped with an inner cup with a waterway and a shower face 60 to be attached to the inner cup. The shower face 60 is provided with multiple shower water discharge holes 62 communicating to the waterway and mist water discharge holes 63 to communicate to the same waterway as the shower water discharge holes 62 communicate. The multiple of shower water discharge holes 62 are annularly arranged while the mist water discharge holes 63 are arranged in positions in the inner peripheral side of the annularly arranged shower water discharge holes 62.SELECTED DRAWING: Figure 6

Description

Technical Field

[0001] The present invention relates to a shower head.

Background Art

[0002] Patent Document 1 describes a mist generating device. As shown in FIG. 8, the mist generating device 70 includes a disk-shaped base member 71, a disk-shaped auxiliary member (not shown) connected to the back side of the base member 71, and a front cover panel 72 connected to the front side of the base member 71. The base member 71 has a plurality of nozzle openings 71a for ejecting mist on the front side. The front cover panel 72 has a plurality of openings 72a at positions overlapping the nozzle openings 71a. The plurality of nozzle openings 71a and the openings 72a are arranged in an annular shape.

[0003] The auxiliary member has a wall portion along the outer periphery and a pipe connection portion 73 for connecting a hose. When the base member 71 and the auxiliary member are connected, a chamber (not shown) through which liquid flows is formed between them. The pipe connection portion 73 communicates with this chamber. Therefore, the liquid that has flowed into the chamber through the pipe connection portion 73 is ejected from the nozzle openings 71a of the base member 71, thereby performing mist spraying.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] Generally, mist spraying has fine water droplets with high density, so it easily conforms to the unevenness and dirt on the skin. Because it easily conforms to the unevenness and dirt on the skin, the dirt is likely to float up, so high cleaning effect can be expected from mist spraying.

[0006] By the way, compared with normal shower spraying, the water temperature of mist spraying is likely to drop before reaching the user's skin. This phenomenon is considered to be caused by the fact that mist spraying easily entraps the surrounding air. There has been a demand for a shower head that can prevent the water temperature of mist spraying from dropping easily.

Means for Solving the Problem

[0007] The shower head of Aspect 1 is a shower head comprising an inner cup having a water passage and a shower face attached to the inner cup, wherein the shower face has a plurality of shower spraying holes communicating with the water passage and mist spraying holes also communicating with the water passage with which the shower spraying holes communicate, the plurality of shower spraying holes are arranged in a ring shape, and the mist spraying holes are arranged at a position on the inner circumferential side of the shower spraying holes arranged in a ring shape.

[0008] According to this configuration, since the mist spraying holes are arranged at a position on the inner circumferential side of the shower spraying holes arranged in a ring shape, the mist spraying can be surrounded by the shower spraying. Since the mist spraying is less likely to entrap the surrounding air, the drop in the water temperature of the mist spraying can be suppressed.

[0009] Aspect 2 is the shower head of Aspect 1, wherein the plurality of shower water discharge holes include a plurality of first shower water discharge holes arranged in a ring shape, and a plurality of second shower water discharge holes arranged in a ring shape at a position on the inner circumferential side of the first shower water discharge holes. The mist water discharge holes are arranged at positions on the inner circumferential side of the plurality of second shower water discharge holes. According to this configuration, in addition to the first shower water discharge from the first shower water discharge holes, the second shower water discharge from the second shower water discharge holes can also surround the periphery of the mist water discharge. Therefore, it becomes more difficult for the mist water discharge to entrain the surrounding air, and thus the decrease in water temperature can be more preferably suppressed.

[0010] Aspect 3 is the shower head of Aspect 2, wherein, among the plurality of second shower water discharge holes, the distance between adjacent second shower water discharge holes in the circumferential direction is larger than the distance between adjacent first shower water discharge holes in the circumferential direction among the plurality of first shower water discharge holes.

[0011] Since the second shower water discharge holes are arranged closer to the mist water discharge holes, the second shower water discharge is more likely to interfere with the mist water discharge than the first shower water discharge. By making the distance between the second shower water discharge holes larger than the distance between the first shower water discharge holes, the mist water discharge can more easily pass between the second shower water discharges than between the first shower water discharges. Relatively, it becomes more difficult for the second shower water discharge to interfere with the mist water discharge, so that the water discharge form of the mist water discharge can be made more suitable.

[0012] Aspect 4 is the shower head according to any one of Aspects 1 to 3, which has a plurality of the mist water discharge holes, and the plurality of mist water discharge holes are arranged linearly. According to this configuration, since the plurality of mist water discharge holes are arranged linearly, it becomes more difficult for the mist water discharges to interfere with each other. Thereby, the water discharge form of the mist water discharge can be made more suitable.

[0013] Aspect 5 is the shower head according to any one of Aspects 1 to 4, wherein a direction along the surface of the shower face is defined as the first direction, and a direction along the surface of the shower face and perpendicular to the first direction is defined as the second direction. The shower water discharge holes are arranged in an annular shape extending longer in the first direction than in the second direction, and the overall water discharge pattern of the shower water discharged from the plurality of shower water discharge holes is an annular shape.

[0014] According to this configuration, since the shower water discharge holes are arranged in an annular shape extending longer in the first direction than in the second direction, the shape of the shower face can be made into an elongated shape that is long in the first direction. Therefore, the design property of the shower head can be improved. Furthermore, since the overall water discharge pattern of the shower water discharged from the plurality of shower water discharge holes is an annular shape, a water discharge pattern that is independent of the orientation of the shower face can be achieved. Therefore, similar to a normal shower head with an annular water discharge pattern, the shower head can be used without a sense of incongruity.

Advantages of the Invention

[0015] According to the shower head of the present invention, it is possible to make it difficult for the temperature of the mist water discharge to decrease.

Brief Description of the Drawings

[0016]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Figure 7

Figure 8

[0017] An embodiment of the shower head will be described. As shown in FIGS. 1 and 2, the shower head 10 includes a head case 11, a water passage member 14, a cover member 15, and a discharge unit 20. Generally, the shower head 10 is held by hand and used in a bathroom.

[0018] Hereinafter, with reference to the surface of the shower face 60 of the discharge unit 20 described later, the front side toward the shower face 60 is defined as the front in the front-rear direction, and the rear side is defined as the rear in the front-rear direction. Also, the right side is defined as the right in the left-right direction, and the opposite direction is defined as the left in the left-right direction. Further, the upper side is defined as the upper in the up-down direction, and the opposite direction is defined as the lower in the up-down direction.

[0019] Hereinafter, each member constituting the shower head 10 will be described. <Head Case> As shown in FIG. 2, the head case 11 has a main body case 12 and a front case 13. The main body case 12 is attached to the water passage member 14 and the discharge unit 20 from the rear side, and houses the water passage member 14 and the discharge unit 20 inside. The front case 13 is attached to the water passage member 14 from the front side and covers the front side of the water passage member 14. The front case 13 has an opening 13a, and the front case 13 is attached to the water passage member 14 with the switching button 14a of the water passage member 14 inserted through the opening 13a.

[0020] In the head case 11, the lower side than the location where the shower face 60 is accommodated functions as a gripping portion that the user grips. When viewed toward the shower face 60, the longitudinal direction of the gripping portion is along the longitudinal direction of the shower face 60. The longitudinal direction in the annular arrangement of the plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b, which will be described later, and the longitudinal direction in the arrangement of the plurality of mist discharge holes 63 are also along the longitudinal direction of the shower face 60.

[0021] <Water passage member> As shown in FIG. 2, the water passage member 14 is configured in a cylindrical shape and has a water passage inside. The upper end of the water passage member 14 is connected to the discharge unit 20. Also, a hose (not shown) is connected to the lower end of the water passage member 14. The water passage member 14 circulates the hot and cold water supplied from the hose to the discharge unit 20.

[0022] The water passage member 14 has a switching button 14a on the front surface. By operating this switching button 14a, the open state and the closed state of the water passage of the water passage member 14 can be switched. That is, by operating the switching button 14a, the water discharge and stop from the shower head 10 can be switched.

[0023] The water passage member 14 may be composed of a single cylindrical member, or may be composed of a state in which a plurality of cylindrical members are connected. <Cover member> As shown in FIG. 2, the cover member 15 is configured in a rectangular plate shape that is long in the vertical direction. The cover member 15 has a rectangular opening 15a that is long in the vertical direction and has a frame shape.

[0024] As shown in FIG. 1, the cover member 15 is attached to the shower face 60 so as to cover the outer peripheral side of the front surface of the shower face 60. <Discharge unit> As shown in FIG. 3, the discharge unit 20 includes an inner cup 30, a rectifying member 40, a mist flow path forming member 50, and a shower face 60.

[0025] (Inner cup) As shown in FIG. 3, the inner cup 30 has a plate-shaped main body portion 31. The main body portion 31 is configured in a rectangular plate shape that is long in the vertical direction, and at both longitudinal ends, both outer sides in the longitudinal direction are curved to be convex. The main body portion 31 has a through hole 31a that penetrates the main body portion 31 in the thickness direction at a substantially central portion in the vertical direction.

[0026] The inner cup 30 has a peripheral wall 32 that protrudes forward along the thickness direction of the main body portion 31 from the outer periphery of the main body portion 31. The inner cup 30 has nut accommodating portions 33 at the four corners of the main body portion 31. The nut accommodating portions 33 are integrated with the peripheral wall 32 and protrude to the outer peripheral side of the peripheral wall 32. The nut accommodating portions 33 have insertion holes 33a through which the screw 16 is inserted on the front side. With a nut (not shown) accommodated in the nut accommodating portion 33, the screw 16 inserted through the insertion hole 60a of the shower face 60 described later is inserted through the insertion hole 33a of the nut accommodating portion 33. Further, by screwing this screw 16 into the nut in the nut accommodating portion 33, the shower face 60 and the inner cup 30 are connected.

[0027] As shown in FIG. 4, the inner cup 30 has a cylindrical portion 34 on the rear side of the main body portion 31. The cylindrical portion 34 is integrated with the main body portion 31 and extends along the vertical direction of the main body portion 31. The lower end of the cylindrical portion 34 extends to substantially the same position as the lower end of the main body portion 31. The lower end of the cylindrical portion 34 is open and is connected to the upper end portion of the water passage member 14.

[0028] As shown in FIG. 5, the upper end of the cylindrical portion 34 is located at a substantially central portion in the vertical direction of the main body portion 31. The cylindrical portion 34 has a top wall 34a that seals the upper end. The upper end portion inside the cylindrical portion 34 communicates with the through hole 31a of the main body portion 31. The hot and cold water flowing through the water passage member 14 flows through the inside of the cylindrical portion 34 from the lower end of the cylindrical portion 34. Further, it flows from the upper end portion of the cylindrical portion 34 through the through hole 31a to the front side of the main body portion 31. Therefore, the cylindrical portion 34 of the inner cup 30 functions as a water passage.

[0029] (Rectifying member) As shown in FIGS. 3 and 4, the rectifying member 40 is configured in a rectangular plate shape that is long in the vertical direction, and at both longitudinal ends, both outer sides in the longitudinal direction are curved and convex. The rectifying member 40 is accommodated inside the first peripheral wall 61a of the shower face 60 described later.

[0030] The rectifying member 40 has a plurality of constricted portions 40a that are recessed from both outer sides in the short direction toward the inside at a plurality of positions spaced at a predetermined interval in the longitudinal direction. The rectifying member 40 has a recessed portion 40b that is recessed rearward on the front side. This recessed portion 40b extends along the vertical direction. The mist flow path forming member 50 described later and the second peripheral wall 61b of the shower face 60 are accommodated in this recessed portion 40b.

[0031] As described later, the rectifying member 40 is disposed in a storage portion S (see FIG. 5) that is a space formed by the inner cup 30 and the shower face 60, and is used to make the flow of hot and cold water flowing through the storage portion S uniform.

[0032] (Mist flow path forming member) As shown in FIGS. 3 and 4, the mist flow path forming member 50 is configured in a long plate shape having an elongated shape. The mist flow path forming member 50 is accommodated in the second peripheral wall 61b on the back surface of the shower face 60 described later. The mist flow path forming member 50 has an insertion hole 50a through which a screw 17 is inserted. By screwing the screw 17 inserted through this insertion hole 50a into the screw hole 64 on the back surface of the shower face 60, the mist flow path forming member 50 is attached to the back surface of the shower face 60.

[0033] The mist flow path forming member 50 has a flow path 51 that communicates from the back side to the front side. When the mist flow path forming member 50 is attached to the back surface of the shower face 60, the flow path 51 is positioned to overlap the mist discharge holes 63. As a result, a mist discharge flow path from the back side of the mist flow path forming member 50 to the mist discharge holes 63 is formed. In the mist discharge flow path, a swirling flow is generated within the flow path, and the swirling flow is ejected from the mist discharge holes 63, thereby discharging mist.

[0034] (Shower face) As shown in FIGS. 3 and 4, the shower face 60 is configured in a rectangular plate shape that is long in the vertical direction. The shower face 60 has insertion holes 60a through which screws 16 are inserted at the four corners. The shower face 60 has a peripheral wall 61 (hereinafter also referred to as "first peripheral wall 61a") that protrudes rearward along the thickness direction of the shower face 60 on the back surface on the inner peripheral side of the insertion holes 60a at the four corners. Further, the shower face 60 has a peripheral wall 61 (hereinafter also referred to as "second peripheral wall 61b") that protrudes rearward along the thickness direction of the shower face 60 at a position on the inner peripheral side of the first peripheral wall 61a.

[0035] The shower face 60 has a plurality of shower discharge holes 62 at a position on the inner peripheral side of the first peripheral wall 61a. Further, the shower face 60 has a plurality of mist discharge holes 63 and screw holes 64 at a position on the inner peripheral side of the second peripheral wall 61b.

[0036] As shown in FIG. 4, the first peripheral wall 61a and the second peripheral wall 61b extend long along the vertical direction, and at both longitudinal ends, they are curved such that both outer sides in the longitudinal direction are convex. The first peripheral wall 61a has a shape that is slightly smaller than the peripheral wall 32 of the inner cup 30 so as to be accommodated inside the peripheral wall 32 of the inner cup 30. The second peripheral wall 61b has a shape that is slightly larger than the mist flow path forming member 50 so as to be able to accommodate the mist flow path forming member 50.

[0037] As shown in FIG. 4, a packing 18 is attached to the outer periphery of the first peripheral wall 61a. By this packing 18, the space between the inner periphery of the peripheral wall 32 of the inner cup 30 and the outer periphery of the first peripheral wall 61a of the shower face 60 is sealed in a watertight state.

[0038] As shown in FIG. 5, by sealing the space between the inner periphery of the peripheral wall 32 of the inner cup 30 and the outer periphery of the first peripheral wall 61a of the shower face 60 in a watertight state, a storage portion S for storing hot and cold water is formed between the inner cup 30 and the shower face 60. This storage portion S is a space where the hot and cold water supplied from the cylindrical portion 34 of the inner cup 30 as a water passage is temporarily stored until it is discharged from a plurality of shower water discharge holes 62 and a plurality of mist water discharge holes 63. By arranging the flow rectifying member 40 in this storage portion S, the flow of the hot and cold water flowing through the storage portion S becomes uniform. By making the flow of the hot and cold water flowing through the storage portion S uniform, it becomes possible to flow the hot and cold water at a substantially uniform water pressure to the plurality of shower water discharge holes 62 and the plurality of mist water discharge holes 63.

[0039] As shown in FIG. 6, the shower face 60 has a plurality of shower water discharge holes 62 (hereinafter, also referred to as "first shower water discharge holes 62a") arranged in an annular shape that extends long in the longitudinal direction of the shower face 60.

[0040] The shower face 60 has a plurality of shower water discharge holes 62 (hereinafter, also referred to as "second shower water discharge holes 62b") arranged in an annular shape that extends long in the longitudinal direction of the shower face 60 at a position on the inner peripheral side of the plurality of first shower water discharge holes 62a.

[0041] The plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b are each arranged in a row in an annular shape. The number of the first shower water discharge holes 62a is arranged to be more than the number of the second shower water discharge holes 62b.

[0042] Here, the vertical direction is defined as the first direction along one direction along the surface of the shower face 60, and the horizontal direction is defined as the second direction perpendicular to the first direction. Then, the first shower water discharge holes 62a and the second shower water discharge holes 62b are arranged in an annular shape that extends longer in the first direction than in the second direction.

[0043] In addition, the "annular shape" of the plurality of first shower water discharge holes 62a means a shape in which the four corners of a rectangle are chamfered in a curved shape. In addition, the "annular shape" of the plurality of second shower water discharge holes 62b means a hexagonal shape in which both ends in the longitudinal direction protrude outward on both outer sides in the longitudinal direction in a rectangle.

[0044] The shower face 60 has five mist water discharge holes 63 arranged linearly in a row in the longitudinal direction of the shower face 60 at positions on the inner peripheral side of the plurality of second shower water discharge holes 62b.

[0045] The plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b communicate with the cylindrical portion 34 of the inner cup 30 as a water passage through the storage portion S. Also, the five mist water discharge holes 63 communicate with the cylindrical portion 34 of the inner cup 30 as a water passage through the storage portion S. That is, the five mist water discharge holes 63 communicate with the same water passage as the plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b.

[0046] In the plurality of second shower water discharge holes 62b, the interval T2 between adjacent second shower water discharge holes 62b in the circumferential direction is larger than the interval T1 between adjacent first shower water discharge holes 62a in the circumferential direction in the plurality of first shower water discharge holes 62a. Also, in the plurality of mist water discharge holes 63 arranged linearly, the interval T3 between adjacent mist water discharge holes 63 is larger than the above interval T1 and interval T2.

[0047] It is preferable that the inner diameter of the first shower water discharge hole 62a is smaller than the inner diameter of the second shower water discharge hole 62b. The inner diameter of the first shower water discharge hole 62a is preferably, for example, 0.2 mm or more and 1 mm or less, and more preferably 0.4 mm or more and 0.7 mm or less. The inner diameter of the first shower water discharge hole 62a is, for example, 0.5 mm.

[0048] The inner diameter of the second shower water discharge hole 62b is preferably, for example, 0.4 mm or more and 1.3 mm or less, and more preferably 0.7 mm or more and 1.0 mm or less. The inner diameter of the second shower water discharge hole 62b is, for example, 0.8 mm.

[0049] Since the inner diameter of the first shower water discharge hole 62a is smaller than that of the second shower water discharge hole 62b, it becomes easier to arrange a relatively large number of the first shower water discharge holes 62a. In other words, it becomes easier to arrange the first shower water discharge holes 62a at a higher density. By arranging the first shower water discharge holes 62a at a higher density, the periphery of the mist water discharge form 66 can be preferably surrounded by the first water discharge form 65a.

[0050] Further, since the inner diameter of the second shower water discharge hole 62b is relatively large, the feeling of being bathed in the hot water discharged from the plurality of second shower water discharge holes 62b can be improved. The shower head 10 is constituted by the above-described respective members. The material of each member constituting the shower head 10 is not particularly limited. For example, the material of each member can be resin, metal, or the like. A metal plating may be formed on the surface of the resin.

[0051] <Water discharge mechanism of the shower head> As shown in FIGS. 2 and 5, the hot water supplied from a hose (not shown) to the lower end of the water passage member 14 flows from the upper end of the water passage member 14 into the cylindrical portion 34 of the inner cup 30 as a water passage. Further, it flows from the upper end of the cylindrical portion 34 through the through hole 31a into the storage portion S located on the front side of the main body portion 31 of the inner cup 30.

[0052] The hot and cold water flowing through the storage section S is rectified while passing through the constricted portion 40a of the rectifying member 40 (see Fig. 3), enabling the hot and cold water to flow through the plurality of first shower water discharge holes 62a, second shower water discharge holes 62b, and mist water discharge holes 63 with substantially uniform water pressure. Then, shower water discharge (hereinafter also referred to as "first shower water discharge" and "second shower water discharge" respectively) is performed from the plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b, and at the same time, mist water discharge is performed from the five mist water discharge holes 63.

[0053] <Water discharge form from the shower face> Fig. 7 shows the water discharge forms of the first shower water discharge, second shower water discharge, and mist water discharge discharged from the shower face 60 of the present embodiment when they reach the water discharge target.

[0054] As shown in Fig. 7, for the plurality of first shower water discharges, the overall water discharge form 65 (hereinafter also referred to as "first water discharge form 65a") is annular. That is, when the plurality of first shower water discharge holes 62a are arranged in an annular shape that extends long in the longitudinal direction of the shower face 60, the first shower water discharge forms a substantially perfect circular annular water discharge form when it reaches a predetermined distance. By adjusting the individual water discharge directions of the plurality of first shower water discharge holes 62a, in other words, the individual water discharge angles, it is possible to form a substantially perfect circular annular water discharge form.

[0055] Also, for the plurality of second shower water discharges, at a position on the inner circumferential side of the water discharge form of the first shower water discharge, the overall water discharge form 65 (hereinafter also referred to as "second water discharge form 65b") is annular. Similarly to the plurality of first shower water discharge holes 62a, by adjusting the individual water discharge angles of the plurality of second shower water discharge holes 62b, it is possible to form a substantially perfect circular annular water discharge form.

[0056] The center position P1 of the circle of the first water discharge form 65a and the second water discharge form 65b is the same position. Also, the diameter of the second water discharge form 65b is smaller than the diameter of the first water discharge form 65a. As shown in FIG. 7, the mist ejection from the five mist ejection holes 63 each forms a circular ejection pattern (hereinafter also referred to as "mist ejection pattern 66"). Here, the circular ejection pattern means that the ejection is made into the entire region including the outer circumference and the interior of the circular shape.

[0057] Since the five mist ejection holes 63 are arranged linearly, the five mist ejection patterns 66 are arranged in parallel with the five circular positions shifted slightly linearly. The diameter of the mist ejection pattern 66 is smaller than the diameter of the first ejection pattern 65a and larger than the diameter of the second ejection pattern 65b. Also, the line L1 passing through the centers of the five mist ejection patterns 66 overlaps with the position P1 of the centers of the first ejection pattern 65a and the second ejection pattern 65b.

[0058] Among the five mist ejection patterns 66, the uppermost mist ejection pattern 66a and the lowermost mist ejection pattern 66b have a part of the circular shape slightly protruding to the outer circumference side of the first ejection pattern 65a. Also, the other mist ejection patterns 66 are located substantially on the inner circumference side of the first ejection pattern 65a. Overall, the entire periphery of the mist ejection pattern 66 is surrounded by the first ejection pattern 65a.

[0059] Note that the entire periphery of the mist ejection pattern 66 being surrounded by the first ejection pattern 65a does not mean only the state where the entire periphery of the mist ejection pattern 66 is completely surrounded by the first ejection pattern 65a. It shall include the state where most of the entire periphery of the mist ejection pattern 66 is surrounded by the first ejection pattern 65a.

[0060] Also, the second ejection pattern 65b is configured to reach a region closer to the position P1 of the center of the first ejection pattern 65a. Here, the region closer to the position P1 of the center of the first ejection pattern 65a means the region within 60% or less of the radius of the first ejection pattern 65a centered on the position P1.

[0061] The second water jetting form 65b preferably reaches a region that is 40% or more and 60% or less of the radius of the first water jetting form 65a centered on the position P1, and more preferably reaches a region of 50% ± 5%.

[0062] Also, among the five mist water jetting forms 66, the second water jetting form 65b reaches between the lower circular portion of the mist water jetting form 66a located at the uppermost position and the upper circular portion of the mist water jetting form 66b located at the lowermost position. Therefore, the second water jetting form 65b surrounds the lower circular portion of the mist water jetting form 66a located at the uppermost position and also surrounds the upper circular portion of the mist water jetting form 66b located at the lowermost position.

[0063] <Function and Effect> The function of this embodiment will be described. As shown in FIG. 6, a plurality of first shower water jetting holes 62a are arranged annularly, and the plurality of mist water jetting holes 63 are arranged at positions on the inner peripheral side of the annularly arranged first shower water jetting holes 62a.

[0064] As shown in FIG. 7, since the plurality of first shower water jetting holes 62a and the plurality of mist water jetting holes 63 are arranged as described above, the entire periphery of the mist water jetting form 66 can be surrounded by the first water jetting form 65a. As a result, it becomes difficult for the mist water jetting to entrain the surrounding air, so that a decrease in the water temperature of the mist water jetting can be suppressed.

[0065] Also, the second water jetting form 65b partially surrounds the lower circular portion of the mist water jetting form 66a located at the uppermost position and also partially surrounds the upper circular portion of the mist water jetting form 66b located at the lowermost position. Also in the region where the second water jetting form 65b partially surrounds the mist water jetting form 66a, it becomes difficult for the mist water jetting to entrain the surrounding air, so that a decrease in the water temperature of the mist water jetting can be suppressed.

[0066] In addition, when the second water spray form 65b reaches a region closer to the position P1 at the center of the first water spray form 65a, the overall water spray forms of the first water spray form 65a, the second water spray form 65b, and the mist water spray form 66 become less uneven overall. As a result, an overall uniform water spray form can be formed, thereby improving the user's feeling of use.

[0067] The effects of this embodiment will be described. (1) The plurality of first shower water spray holes 62a are arranged annularly, and the plurality of mist water spray holes 63 are arranged at positions on the inner peripheral side of the annularly arranged first shower water spray holes 62a. Since the entire periphery of the plurality of mist water spray forms 66 can be surrounded by the first water spray form 65a, it becomes difficult for the mist water spray to entrain the surrounding air. Therefore, a decrease in the water temperature of the mist water spray can be suppressed.

[0068] (2) The plurality of shower water spray holes 62 include a plurality of first shower water spray holes 62a arranged annularly and a plurality of second shower water spray holes 62b arranged annularly at positions on the inner peripheral side of the first shower water spray holes 62a. The mist water spray holes 63 are arranged at positions on the inner peripheral side of the plurality of second shower water spray holes 62b. The periphery of the plurality of mist water spray forms 66 can be surrounded not only by the first water spray form 65a but also by the second water spray form 65b. Therefore, a decrease in the water temperature of the mist water spray can be more preferably suppressed.

[0069] In addition, since the plurality of mist water spray holes 63 are arranged at positions on the inner peripheral sides of the plurality of first shower water spray holes 62a and the plurality of second shower water spray holes 62b, the structure of the flow path for the mist water spray can be simplified. Therefore, the degree of freedom in the design of the shower face 60 is improved, and for example, it becomes easy to make the shape of the shower face 60 an elongated shape.

[0070] (3) Among the plurality of second shower water discharge holes 62b, the interval T2 between adjacent second shower water discharge holes 62b in the circumferential direction is larger than the interval T1 between adjacent first shower water discharge holes 62a in the circumferential direction among the plurality of first shower water discharge holes 62a. Since the second shower water discharge holes 62b are arranged closer to the mist water discharge holes 63, the second shower water discharge is more likely to interfere with the mist water discharge than the first shower water discharge. Since the interval T2 between the second shower water discharge holes 62b is larger than the interval T1 between the first shower water discharge holes 62a, the mist water discharge can more easily pass between the second shower water discharges than between the first shower water discharges. Therefore, relatively, the second shower water discharge is less likely to interfere with the mist water discharge, so that the water discharge form of the mist water discharge can be made more suitable.

[0071] (4) The interval T3 between adjacent mist water discharge holes 63 is larger than the interval T1 between adjacent first shower water discharge holes 62a in the circumferential direction and the interval T2 between adjacent second shower water discharge holes 62b in the circumferential direction. Since the interval T3 between the mist water discharge holes 63 becomes relatively large, the first shower water discharge and the second shower water discharge can more easily pass between the mist water discharges. Also, the interference between the mist water discharges is more easily suppressed. Therefore, the water discharge form of the mist water discharge can be made more suitable.

[0072] (5) The plurality of mist water discharge holes 63 are arranged linearly. The mist water discharges from the plurality of mist water discharge holes 63 are less likely to interfere with each other compared to the mode in which the plurality of mist water discharge holes 63 are arranged in a curved shape or an annular shape. Therefore, the water discharge form of the mist water discharge can be made more suitable.

[0073] (6) The shower water discharge holes 62 are arranged in an annular shape that extends longer in the vertical direction (first direction) than in the left - right direction (second direction), and the overall water discharge form of the shower water discharge from the plurality of shower water discharge holes 62 is annular.

[0074] The shape of the shower face 60 can be an elongated shape that is long in the vertical direction. Therefore, the design property of the shower head 10 can be improved. Further, since the entire water discharge pattern of the shower water discharged from the plurality of shower water discharge holes 62 is an annular shape, the water discharge pattern can be made independent of the orientation of the shower face 60. Therefore, similar to a normal shower head having an annular water discharge pattern, the shower head 10 can be used without a sense of incongruity. That is, compared with the case where the water discharge pattern is discharged while remaining in an elongated annular shape, a constant bathing comfort can be obtained regardless of the angle of the handle of the shower head 10.

[0075] (7) Regardless of the arrangement form of the shower water discharge holes 62, the water discharge pattern of the shower water can be set to an annular shape or the like. Therefore, it becomes easy to avoid the shape of the shower face 60 being restricted due to the constraints of the arrangement form of the shower water discharge holes 62, and thus the degree of freedom in design can be increased.

[0076] <Modified Example> This embodiment can be implemented with the following modifications. This embodiment and the following modified examples can be implemented in combination with each other within a technically non - conflicting range.

[0077] · In this embodiment, the plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b are each arranged in a single row in an annular shape, but are not limited to this mode. At least one of the plurality of first shower water discharge holes 62a and the plurality of second shower water discharge holes 62b may have a part arranged in two or more rows. Or the whole may be arranged in two or more rows.

[0078] · In this embodiment, the first shower water discharge holes 62a and the second shower water discharge holes 62b are arranged in an annular shape that extends longer in the vertical direction than in the horizontal direction, but are not limited to this mode. At least one of the first shower water discharge holes 62a and the second shower water discharge holes 62b may be arranged in an annular shape that is long in a direction other than the vertical direction. Or it may be arranged in a square shape or a circular shape.

[0079] · In this embodiment, the shower water discharge holes 62 had the first shower water discharge holes 62a and the second shower water discharge holes 62b, but are not limited to this aspect. The second shower water discharge holes 62b may be omitted. In addition to the first shower water discharge holes 62a and the second shower water discharge holes 62b, there may be third shower water discharge holes.

[0080] · In this embodiment, the second water discharge form 65b was configured to reach a region closer to the position P1 at the center of the first water discharge form 65a, but is not limited to this aspect. The second water discharge form 65b may also be configured to surround the entire periphery of the mist water discharge form 66, similar to the first water discharge form 65a.

[0081] · In this embodiment, the interval T2 between the second shower water discharge holes 62b adjacent to each other in the circumferential direction was configured to be larger than the interval T1 between the first shower water discharge holes 62a adjacent to each other in the circumferential direction among the plurality of first shower water discharge holes 62a, but is not limited to this aspect. The interval T2 and the interval T1 may be the same, or the interval T2 may be smaller than the interval T1. The interval T3 between adjacent mist water discharge holes 63 may also be the same as the interval T1 or the interval T2, or may be smaller than the interval T1 or the interval T2.

[0082] · In this embodiment, the shower face 60 had five mist water discharge holes 63, but is not limited to this aspect. The shower face 60 may have a plurality of mist water discharge holes 63 other than five. There may be only one mist water discharge hole 63.

[0083] · The plurality of mist water discharge holes 63 are not limited to the aspect of being arranged in a straight line in a row, and may be arranged in a curved shape or an annular shape. They may be arranged in two or more rows. · In this embodiment, the shower face 60 was configured in a rectangular plate shape that is long in the vertical direction, but is not limited to this aspect. The shower face 60 may be configured in a rectangular plate shape that is long in a direction other than the vertical direction. Or it may be square or circular.

[0084] · In this embodiment, the overall water discharge pattern 65 of the shower water discharge was an annular shape, but it is not limited to this mode. The overall water discharge pattern 65 of the shower water discharge may be an elliptical shape or a rectangular shape. Similarly, the mist water discharge is not limited to the circular mist water discharge pattern 66, and may be an elliptical shape or a rectangular shape.

Explanation of Signs

[0085] 10…Shower head, 30…Inner cup, 60…Shower face, 62…Shower water discharge hole, 63…Mist water discharge hole.

Claims

1. A shower head comprising an inner cup having a water passage and a shower face attached to the inner cup, wherein the shower face has a plurality of shower water discharge holes communicating with the water passage, and also has mist discharge holes communicating with the water passage with which the shower water discharge holes communicate, wherein the plurality of shower water discharge holes are arranged in a ring shape, and the mist discharge holes are arranged at a position on the inner circumferential side of the shower water discharge holes arranged in a ring shape, characterized in that it is a shower head.

2. The plurality of shower water discharge holes include a plurality of first shower water discharge holes arranged in a ring shape, and a plurality of second shower water discharge holes arranged in a ring shape at a position on the inner circumferential side of the first shower water discharge holes, wherein the mist discharge holes are arranged at a position on the inner circumferential side of the plurality of second shower water discharge holes, the shower head according to claim 1.

3. In the plurality of second shower water discharge holes, the distance between adjacent second shower water discharge holes in the circumferential direction is larger than the distance between adjacent first shower water discharge holes in the circumferential direction in the plurality of first shower water discharge holes, the shower head according to claim 2.

4. It has a plurality of the mist discharge holes, wherein the plurality of mist discharge holes are arranged in a straight line, the shower head according to claim 1.

5. Taking one direction along the surface of the shower face as the first direction, and a direction along the surface of the shower face and perpendicular to the first direction as the second direction, the shower water discharge holes are arranged in a ring shape extending longer in the first direction than in the second direction, wherein the overall water discharge pattern of the shower water discharged from the plurality of shower water discharge holes is in an annular shape, the shower head according to claim 1.

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