JP2009155968A - Shower head - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shower head having a changeover function of discharge forms of hot and cold water by which a higher freedom degree in design, and excellent appearance and operation performance can be obtained. <P>SOLUTION: The shower head A includes a flow passage changeover mechanism C having a changeover flow passage 41 formed to allow the water to pass and a water passing hole 42 formed to supply the water, a main body 10 having a housing chamber 14 which is formed to fit the flow passage changeover mechanism C, and a water discharging member B mounted on the flow passage changeover mechanism C to be slidable in the axial direction of the housing chamber 14 and provided with a first water discharging hole 11 and the second water discharging hole 11a formed in a manner of communicating with the water passing hole 42. Part of the water discharging member B is exposed from the main body 10. By pushing and sliding the exposed part in the axial direction with respect to the flow passage changeover mechanism C, the water passing hole 42 of the flow passage changeover mechanism C is made to communicate with either one of the first water discharging hole 11 or the second water discharging hole 11a of the water discharging member B, so that the water discharge forms can be changed over. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a shower head that is used in a kitchen, a bathroom vanity, a bathroom, and the like, and that switches a hot water discharge flow to one of a plurality of water discharge forms such as shower water or direct current water.

  Conventionally, as this type of shower head, there are those described in Patent Document 1 and Patent Document 2, for example. In the shower head described in Patent Document 1, a switching mechanism for switching the hot water discharge flow to shower water or direct current water is housed in the body, and this switching mechanism includes a valve seat, a switching plate, and an operation button, Two valve outlets are formed concentrically on the valve seat. In addition, a disc-shaped switching plate is rotatably disposed on the valve seat, and the switching plate is formed with a flow passage hole that selectively aligns with the outlet of the valve seat. An operation button for rotating the switching plate is supported on the main body so as to be movable in the front-rear direction, and a holding mechanism for holding the operation button at two positions in the front-rear direction is disposed in the vicinity of the operation button. Each time the operation button is pressed, the flow path hole of the switching plate and one outlet of the valve seat communicate with each other, and the hot water discharged from the shower head is switched to shower water or DC water.

  In the shower head described in Patent Document 2, a mounting portion communicating with a water discharge pipe of a faucet, a main body provided at a lower portion of the mounting portion and having a single outflow hole formed in a lower surface thereof, and rotating to the main body The rotary head is freely mounted, and the rotary head has either a discharge hole with a rectifying plate fastened and a discharge hole with a shower plate fastened. Hot water is discharged from the discharge hole.

JP-A-9-173238 Japanese Utility Model Publication No. 60-27180

However, these conventional showerheads have the following problems.
That is, in the configuration of Patent Document 1, it is necessary to provide an operation button at the front end of the main body, which is the position where the user can operate most easily. As a result, the degree of design freedom was limited.
In addition, a gap is generated between the operation button and the main body, and foreign matter is likely to adhere to the gap, and the foreign matter is easily noticeable from the front of the shower head, which impairs the beauty.

  Next, in the configuration of Patent Document 2, since the flow path of hot water is switched by rotating the rotary head, the rotary head also serves as an operation button, and there is no need to provide an operation button. Since it is performed by rotating the head, it is necessary to rotate the rotary head while grasping the entire outer peripheral surface of the rotating head with several fingers. The rotating head cannot be rotated with only one finger. It was bad.

  The present invention has been made paying attention to such problems existing in the prior art, and its purpose is to increase the degree of design freedom in a shower head having a function of switching the form of hot and cold water discharge. It is possible to provide a shower head which can be made and has an excellent aesthetics and operability.

  In order to achieve the above object, a shower head according to the first aspect of the present invention includes a channel switching mechanism having a switching channel through which hot water passes and a water passage hole for supplying hot water, and the channel. A main body formed with a storage chamber in which the switching mechanism is mounted, and a first water discharge hole and a second water discharge hole that are slidably mounted in the axial direction of the storage chamber with respect to the flow path switching mechanism and communicate with the water flow hole. The water discharge member is partially exposed from the main body, and the exposed portion is pushed to slide in the axial direction with respect to the flow path switching mechanism, thereby switching the flow path. The water discharge form of the hot water can be switched by communicating the water passage hole of the mechanism with either the first water discharge hole or the second water discharge hole of the water discharge member.

  According to a second aspect of the present invention, in the shower head according to the first aspect of the invention, the water discharge member is exposed from the main body toward the lower part.

  According to the first aspect of the present invention, there is no need to provide an operation button for switching the hot water discharge mode, and the design of the shower head can be determined without considering the position and shape of the operation button. The degree of freedom increases, and the adhesion of foreign matters can be prevented, improving the aesthetic appearance. Moreover, the hot water discharge mode can be switched by a simple operation by pushing the water discharge member with one finger, and a shower head with excellent operability can be provided.

  According to invention of Claim 2, since the water discharging member was exposed toward the lower part from the main body, the position operated with a finger and the position of hot water discharged are close, and the water discharging member can be operated quickly. it can.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments embodying the present invention will be described below in detail with reference to the drawings.

  As shown in FIG. 1, the faucet 2 to which the shower head A of the present invention is attached is mounted on the upper surface of a counter 1 of a sink, for example, and an operation lever 4 is attached to the upper end of the body portion 3. Then, by rotating the operation lever 4 in the left-right direction around the vertical axis, the mixing ratio of hot water discharged from the shower head A is changed and the temperature is adjusted. Further, by operating the operation lever 4 in the vertical direction around the horizontal axis, the flow of the hot water discharged from the shower head A is opened and closed and the flow rate is adjusted.

  The shower head A has a water discharge member B that discharges hot water at the lower end of the main body 10. And by the push operation from the front part with respect to this water discharging member B, the water discharge form of the hot water discharged from the bottom face of the water discharging member B shown in FIG. 2 is the shower water discharged from the shower hole 11, and the water discharged from the DC hole 11a. It can be switched to any one of the direct current water.

Next, the configuration of the shower head A will be described in detail.
As shown in FIG. 3, the shower head A has a main body 10 that is horizontally long and has a substantially rectangular shape. A storage chamber 14 is formed inside the opening 13 and connecting the back-side opening 12 and the bottom-side opening 13.

  A support member 15 is mounted on the inner peripheral surface of the back side opening 12 of the main body 10 toward the accommodation chamber 14. The support member 15 has a substantially cylindrical shape, and a hose 18 is coupled to a first passage 16 formed therein via a coupling member 17. A substantially cylindrical adapter 19 is coupled to the accommodation chamber 14 at the other end of the support member 15, and the adapter 19 has a second passage 20 communicating with the first passage 16 of the support member 15. The other end of the hose 18 is connected to a hot water mixing mechanism (not shown) in the faucet 2. And the hot water of the predetermined temperature adjusted with the hot water mixing mechanism of the faucet 2 is supplied to the 1st channel | path 16 of the support member 15 and the 2nd channel | path 20 of the adapter 19 through this hose 18. ing. Further, the shower head A can be pulled out from the faucet 2 together with the hose 18.

  A flow path switching mechanism C is attached to the storage chamber 14 of the shower head A, and the water discharge member B is attached to the flow path switching mechanism C. The flow path switching mechanism C is slidably inserted into a substantially cylindrical cylindrical member 30 mounted on the outer peripheral surface of the adapter 19 in the accommodation chamber 14 and through holes 32 and 37 formed in the cylindrical member 30. The switching member 40 is provided.

  The cylindrical member 30 has a substantially cylindrical shape, and a first cylinder 31 coupled to the outer peripheral surface of the adapter 19 and a second cylinder coupled to the other end of the coupling portion between the adapter 19 of the first cylinder 31. And a body 36. The first cylindrical body 31 is formed with a first through hole 32 penetrating in the axial direction, and a small diameter cylindrical portion 33 is formed on the side to which the second cylindrical body 36 is coupled, and the outer peripheral surface of the small diameter cylindrical portion 33 is formed. A male threaded portion 34 is formed on the top. An annular housing groove 35 is formed on the inner peripheral surface of the small diameter cylindrical portion 33, and a holding mechanism D described later is housed in the housing groove 35 between the second cylindrical body 36 and the switching member 40. The second cylindrical body 36 is formed with a second through hole 37 communicating with the first through hole 32 of the first cylindrical body 31 in the axial direction, and the second through hole 37 has a small diameter hole 37a through which the switching member 40 is inserted. The holding mechanism D is accommodated in the large-diameter hole 37b. The large-diameter hole 37b is larger in diameter than the small-diameter hole 37a. An annular groove 38 is formed in each of the inner peripheral surface of the first through hole 32 and the second through hole 37 and the outer peripheral surface of the second cylindrical body 36, and the switching member 40 and water discharge described later are formed in each annular groove 38. A packing 39 for maintaining a watertight state of the member B with the moving body 50 is attached.

  The switching member 40 includes a substantially cylindrical small-diameter portion 40a and a pair of large-diameter portions 40b formed larger in diameter than the small-diameter portion 40a. One large-diameter portion 40b faces the end surface of the second cylindrical body 36 of the cylindrical member 30, and the small-diameter portion 40a extends between both ends of the cylindrical member 30 until the large-diameter portion 40b contacts the end surface of the second cylindrical body 36. The through holes 32 and 37 are slidably accommodated. A switching channel 41 communicating with the first through hole 32 of the first cylindrical body 31 is formed inside the small diameter portion 40a and the large diameter portion 40b. A water passage hole 42 is formed toward the head. An engaging groove 43 is formed on the outer circumferential surface of the switching member 40 in the substantially axial direction, and the holding mechanism D is locked to the engaging groove 43. An annular groove 44 is formed on the outer peripheral surface of each large-diameter portion 40b, and a packing 45 for maintaining a watertight state with the moving body 50 is attached to each annular groove 44.

The water discharge member B includes a moving body 50 and a watering plate 60 coupled to a lower portion of the moving body 50.
The moving body 50 is mounted so as to cover the outer peripheral surfaces of the cylindrical member 30 and the switching member 40, and a sliding hole 50a in which the cylindrical member 30 and the switching member 40 are accommodated is formed. The sliding hole 50a includes a large-diameter hole 50b through which the cylindrical member 30 slides and a small-diameter hole 50c through which the switching member 40 slides. The large-diameter hole 50b is between the outer peripheral surface of the second cylindrical body 36. A first return spring 51 is accommodated. A first channel 52 and a second channel 53 are formed in the small-diameter hole 50c of the moving body 50 so as to face the water passage hole 42 of the switching member 40, and the cylindrical member 30 and the movement of the switching member 40 are moved. By sliding in the axial direction with respect to the body 50, the water passage hole 42 of the switching member 40 communicates with only one of the first flow path 52 and the second flow path 53 of the moving body 50. A substantially cylindrical protruding portion 54 is formed at the lower portion of the moving body 50, and the water spray plate 60 is coupled to the protruding portion 54.

The water spray plate 60 has a plurality of shower holes 11 constituting the first water discharge holes communicating with the first flow path 52 of the moving body 50 on the bottom surface portion 61, the inner side of the shower holes 11, and the first of the moving body 50. The direct current hole 11a which comprises the 2nd water discharge hole connected with the 2 flow path 53 is drilled, and either the shower water from the shower hole 11 or the direct current water from the direct current hole 11a can be discharged.
In the present embodiment, the moving body and the watering plate are separate articles, but the moving body and the watering board may be an integrated article.
In addition, if the first water discharge hole and the second water discharge hole are different from each other, not only the shower hole and the DC hole shown in the present embodiment, but also, for example, a foam hole, a mist hole, and other hole shapes may be used. Good.

  The holding mechanism D is conventionally known, and a plurality of protrusions 70 are formed at equal intervals in one of the large-diameter holes 37b formed in an annular shape of the second cylindrical body 36. 70 is provided with a deep groove 71, and a switching plate 72 is provided on the other side of the large-diameter hole 37b. As shown in FIG. 4, the rotating body 73 attached to the engagement groove 43 of the switching member 40 moves through the large-diameter hole 37 b by a push operation by a finger from the front of the water discharging member B to the water spray plate 60. When the rotating body 73 comes into contact with the switching plate 72, the rotating body 73 rotates by engagement with the switching plate 72. Next, as shown in FIG. 5, when the finger is released from the water spray plate 60, the switching member 40 and the moving body 50 are restored to the original shown in FIG. 5 by the elastic force of the second return spring 74 accommodated in the accommodation groove 35. Although the movement starts to return to the position, the rotating body 73 is slightly rotated from the position shown in FIG. 3, so that the rotating body 73 comes into contact with the tip of the protrusion 70, and does not pass through the deep groove 71. Does not return to the original position shown in FIG. Further, the moving body 50 returns to the original position by the elastic force of the first return spring 51. Next, as shown in FIG. 6, when a push operation with a finger is performed once again on the water spray plate 60 of the water discharger member B, the rotating body 73 rotates in contact with the switching plate 72. When the finger is released, the rotating body 73 passes through the deep groove 71 without contacting the protrusion 70, and the switching member 40 returns to the original position by the elastic force of the second return spring 74. As described above, the shower head A is a push operation from the front with respect to the water discharge member B, and the water passage hole 42 of the switching member 40 is connected to either the first flow path 52 or the second flow path 53 of the moving body 50. It can be switched to communicate.

Next, the operation of the shower head A configured as described above will be described.
In the shower head A shown in FIG. 3, the water passage hole 42 of the switching member 40 communicates with the first flow path 52 of the moving body 50. In this state, the hot water flow path is switched to the water discharged from the shower hole 11 of the water spray plate 60 by the flow path switching mechanism C. Therefore, if the operation lever 4 of the faucet 2 shown in FIG. 1 is operated in the water discharge direction in this state, hot water adjusted to a predetermined temperature and a predetermined flow rate is supplied to the flow path switching mechanism C via the hose 18. Shower water is discharged through the first through hole 32 of the cylindrical member 30, the switching channel 41 and the water passage hole 42 of the switching member 40, the first channel 52 of the moving body 50, and the shower hole 11 of the water spray plate 60. The

  Next, in order to switch the water discharge form of the hot water discharged from the water discharge member B of the shower head A to DC water, when the water spray plate 60 of the water discharge member B is pushed with a finger from the front of the shower head A, FIG. As shown, the moving body 50 moves together with the water spray plate 60, and stops when the end surface 55 of the moving body 50 comes into contact with the stopper 31 a formed on the first cylindrical body 31. At this time, the rotating body 73 mounted in the engaging groove 43 of the switching member 40 moves through the large-diameter hole 37b of the second cylindrical body 36, and the rotating body 73 contacts the switching plate 72. It rotates while engaging the plate 72.

  Then, when the finger is released from the water spray plate 60, as shown in FIG. 5, the moving body 50 returns to the normal position, which is the same position as FIG. 3, by the elastic force of the first return spring 51, and the water discharge member B returns to the normal position. . The switching member 40 slides back to the same position as in FIG. 3 due to the elastic force of the second return spring 74, but the rotating body 73 is slightly rotated from the position shown in FIG. It contacts the tip and stops at the position shown in FIG. At this time, the water passage hole 42 of the switching member 40 communicates with the second flow path 53 of the moving body 50. In this state, the flow path switching mechanism C switches the hot water flow path to the water discharged from the DC hole 11a of the water spray plate 60, so that the hot water passes through the DC hole 11a and the DC water is discharged.

  Next, in order to switch the form of hot water discharged from the water discharge member B of the shower head A to shower water once more, the water spray plate 60 of the water discharge member B is pushed with a finger from the front of the shower head A shown in FIG. Then, the moving body 50 moves together with the water spray plate 60 as shown in FIG. 6, and stops when the end surface 55 of the moving body 50 shown in FIG. 4 comes into contact with the stopper 31 a formed on the first cylindrical body 31. At this time, the rotating body 73 mounted in the engaging groove 43 of the switching member 40 moves through the large-diameter hole 37b of the second cylindrical body 36, and the rotating body 73 contacts the switching plate 72. It rotates while engaging the plate 72.

  When the finger is released from the water spray plate 60, the moving body 50 returns to the normal position by the elastic force of the first return spring 51, and the water discharge member B returns to the normal position, as shown in FIG. Further, since the rotating body 73 is slightly rotated from the position shown in FIG. 5, it passes through the deep groove 71 without contacting the tip of the projection 70, and the switching member 40 is moved to the normal position by the elastic force of the second return spring 74. Return to. At this time, the water passage hole 42 of the switching member 40 communicates with the first flow path 52 of the moving body 50. In this state, the flow path switching mechanism C switches the hot water flow path to the water discharged from the shower hole 11 of the water spray plate 60, so that the hot water passes through the shower hole 11 and the shower water is discharged.

  As described above, according to the shower head of the embodiment, there is no need to provide an operation button for switching the hot water discharge mode, and the design of the shower head can be determined without considering the position and shape of the operation button. In addition to increasing the degree of freedom of design, it is possible to prevent foreign matter from adhering and improve the aesthetics. Moreover, the hot water discharge mode can be switched by a simple operation by pushing the water discharge member with one finger, and a shower head with excellent operability can be provided.

  Moreover, since the water discharging member was exposed toward the lower part from the main body, the position where the finger is operated and the position of the hot water discharged are close, and the water discharging member can be operated quickly.

It is a side view which shows the water tap with which the shower head of this invention was attached. It is a bottom view of a shower head. It is a longitudinal cross-sectional view which shows the shower water discharge state of a shower head. It is explanatory drawing of the state which pushed the water discharging member with the finger | toe from FIG. It is the longitudinal cross-sectional view which made the finger | toe away from the water discharging member from FIG. 4, and was made into the direct current water discharging state. It is explanatory drawing of the state which pushed the water discharging member with the finger | toe from FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10: Main body 11: Shower hole which comprises 1st water discharge hole 11a: DC hole which comprises 2nd water discharge hole 14: Accommodating chamber 41: Switching flow path 42: Water flow hole A: Shower head B: Water discharge member C: Flow Route switching mechanism

Claims (2)

  A channel switching mechanism in which a switching channel through which hot water passes and a water passage hole for supplying hot water are formed, a main body in which a storage chamber in which the channel switching mechanism is mounted is formed, and a channel switching mechanism A water discharge member that is slidably mounted in the axial direction of the storage chamber and has a first water discharge hole and a second water discharge hole communicating with the water flow hole, and the water discharge member is a part of the water discharge member Is exposed from the main body, and the exposed portion is pushed to slide in the axial direction with respect to the flow path switching mechanism, and the water passage hole of the flow path switching mechanism is connected to the first water discharge hole or the second water discharge hole of the water discharge member. A shower head characterized in that the water discharge mode can be switched by communicating with any one of them.   The shower head according to claim 1, wherein the water discharge member is exposed downward from the main body.

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