JP5138973B2 - shower head - Google Patents

Description

  The present invention relates to a shower head in which a water pipe through which hot water passes is accommodated in a space hole of a head body.

  Shower heads used to discharge hot water in bathrooms, sinks or washstands are generally made of synthetic resin materials for reasons such as cost reduction, weight reduction, heat transfer prevention, etc. In order to improve the above, the surface of the head main body is subjected to metal color plating. When plating the surface of the head body with a metal color, if the plating adheres to the inner wall surface of the water passage through which hot water passes, if the hot water passing through the water passage is hot hot water, Thermal expansion occurs in the head body, which is a synthetic resin material, and the plating peels off from the inner wall surface of the water passage, causing the water passage to become clogged and the water discharge state to be uneven, and the hot water to be drinking water. In some cases, the plating may enter the user's body and adversely affect the human body. Therefore, the conventional shower head with plating on the surface of the head has a double structure in which the water pipe is accommodated in the space hole, and the hot water supplied from the hose passes through the water pipe so that the interior of the shower head In order to prevent hot water from coming into contact with the inner wall surface of the head body to which the plating adhered.

  Patent Document 1 is a shower head in which the surface of such a head body is plated, and this shower head has a double structure in which an internal flow path member through which hot water passes through a space hole of the head body. In this shower head, the internal flow path member accommodated in the space hole of the head main body is fixed to the head main body by a fixing member. In the head main body, the fixing member is provided on the side surface of the base end portion to which the hose is connected. A fixing hole is opened, and this fixing member is mounted in a state of being exposed to the outside at the base end portion of the head body.

  The shower head of patent document 2 is made into the double structure which accommodated the water flow pipe which hot water passes through the space hole of a head main body. The water pipe accommodated in the space hole of the head main body has a distal end facing the head, and a retaining member formed in a substantially cylindrical shape is inserted through the opening hole opened below the head, and the water pipe A switching member for switching the discharge form of hot water discharged from the outside is accommodated in the head from the opening hole, and the switching member is connected to the head after coupling the water pipe and the retaining member. By mounting, the water pipe is fixed to the head body.

Japanese Patent No. 3560020 US Pat. No. 5,707,011

  In the shower head of Patent Document 1, the fixing member for accommodating and fixing the internal flow path member in the space hole of the head main body is exposed to the outside at the base end portion of the head main body, and the head main body and the fixing member Since it is a separate article, it detracts from aesthetics. In addition, the head body has an attachment hole for inserting the fixing member at the base end thereof, and when the internal flow path member is fixed to the head body, the fixing member comes into contact with the periphery of the attachment hole. There is a risk that the plating applied to the surface of the head body may be peeled off.

  In the shower head of Patent Literature 2, the retaining member is fixed by mounting the switching member on the head, and the retaining member and the switching member for switching the hot water discharge form are coupled to each other. Therefore, when the water pressure is high when hot water is passed and the water pipe vibrates, a load is applied to the retaining member due to this vibration, and the load is transmitted from the retaining member to the switching member. There is a risk that the mounting position of the switching member may be displaced or deformed.If the displacement or deformation makes it impossible to smoothly switch the flow path, the watertight state with the head body cannot be maintained, and water leakage may occur. There was a risk of occurrence.

  The present invention has been made paying attention to such problems existing in the prior art, and its purpose is that a water pipe is accommodated in the space hole of the head body, and a hot water discharge form is formed on the head. A shower head provided with a switching mechanism that can be switched is to provide a shower head that has a beautiful appearance, has no fear of water leakage, and has high reliability.

In order to achieve the above object, the invention according to claim 1 is a head main body having a gripping portion in which a space hole is formed inside and a head portion provided at the tip of the gripping portion and having an opening hole in the lower portion. A water pipe formed with a water passage that is accommodated in the space hole of the grip portion and through which hot water passes, a covering member that is fixed to the head and into which a distal end of the water pipe is inserted is provided, and A shower head equipped with a switching member that is attached to the covering member from the opening hole of the head body and that can switch a discharge form of hot water supplied from the water pipe. An opening of the head body is provided at the tip of the water pipe. A notch groove facing the hole is formed, and the covering member is fixed by screwing screws into a plurality of screw holes formed on the inner wall surface of the head body of the head body, and the retaining member is inserted from the opening hole. And install in the notch In a, it is to combine the water pipe in the cover member.

  According to a second aspect of the present invention, in the shower head according to the first aspect of the invention, the retaining member is detachable from the notch groove of the water pipe.

  The shower head according to claim 1 of the present invention does not impair the beauty because the retaining member for coupling the water pipe to the covering member is inserted from the opening and attached to the water pipe and is not exposed to the outside. . Moreover, the retaining member and the switching member are independent from each other, and even if the water pipe is vibrated by hot water passing through the water passage, the vibration is not transmitted from the retaining member to the switching member, and the water discharge mode is switched. It can be performed well and there is no risk of water leakage.

  In the shower head according to the second aspect, since the retaining member is removable from the cutout groove of the water pipe, the water pipe can be easily detached from the shower head.

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

  As shown in FIGS. 1 to 3, the shower head A of the present invention includes a head body 1 having a grip portion 2 and a head portion 3, a water pipe 10 accommodated in the grip portion 2 of the head body 1, a head A covering member 20 accommodated in the head 3 of the main body 1, a retaining member 30 for coupling the water conduit 10 to the covering member 20, and a switching member 40 attached to the head 3 from the lower part of the covering member 20. I have.

  The head main body 1 has a hollow bent shape integrally formed of a synthetic resin material, and is plated with a metallic color that has excellent corrosion resistance, such as nickel chrome, and can give a beautiful appearance and a high-class feeling. The grip portion 2 of the head main body 1 is formed in a substantially cylindrical shape with an outer diameter suitable for the user of the shower head A to hold it by hand, and the water pipe 10 is accommodated in the space hole 4. The head 3 provided at the tip of the grip portion 2 is circular and has a water discharge chamber 5 formed in the vertical direction. A substantially circular opening 6 is formed in the lower portion of the water discharge chamber 5.

  The water pipe 10 is formed with a water passage 11 through which hot water passes, and has a substantially cylindrical shape with a slightly curved central portion. A male screw portion 13 is formed on the outer peripheral surface of the base end portion 10a. The tip of the hose 12 is connected. An annular groove 14 is formed on the outer peripheral surface of the distal end portion 10 b of the water conduit 10, and a seal ring 15 for maintaining a watertight state with the covering member 20 is attached to the annular groove 14. The other end of the hose 12 is connected to a mixing faucet (not shown) capable of adjusting the temperature and flow rate of hot water, and hot water adjusted in temperature and flow rate by the mixing faucet is supplied from the hose 12 to the water pipe 10. The As shown in FIGS. 5 and 6, the water pipe 10 accommodated in the space hole 4 by the grip portion 2 of the head body 1 has a tip portion 10 b facing the head 3 of the head body 1, and the covering member 20. A notch groove 16 for mounting the retaining member 30 is formed on the outer peripheral surface thereof. Therefore, when the water pipe 10 is accommodated in the space hole 4 of the head body 1, the notch 16 faces the head 3 of the head body 1. The water blocking pipe 10 and the covering member 20 can be coupled by facing the retaining member 30 toward each other and mounting the retaining member 30 in the notch groove 16.

  As shown in FIGS. 3 and 4, the covering member 20 is fixed by screwing screws 21 into a plurality of screw holes 7 formed in the inner wall surface of the head 3 of the head body 1. There is a lateral hole 22 through which the water pipe 10 is inserted from the space hole 4.

  The retaining member 30 is made of an elastic material and bent into a substantially U shape to form a ring shape. As shown in FIGS. 5 to 8, the notch groove 16 of the water pipe 10 is formed from the opening hole 6 of the head body 1. The water flow pipe 10 is coupled to the covering member 20 so that the water flow pipe 10 does not come out of the head body 1.

  The switching member 40 switches the water discharge form discharged from the shower head A to, for example, any one of a massage form, a shower form, and a foam form and discharges water to the outside. A switching valve body 41 for switching the flow path of hot water supplied from the water channel 11 through the internal space of the covering member 20 and a side face for connecting the switching valve body 41 and rotating the switching valve body 41 left and right are mounted. Lever 42, a plurality of first water discharge holes 43 for discharging hot water in a massage shape, and a plurality of second water discharge holes 44 for discharging hot water in the form of foam on the outer peripheral side of the first water discharge hole 43. And a plurality of third water discharge holes 45 for discharging hot water in a shower shape on the outer peripheral side of the second water discharge holes 44. A fixing means 46 is provided on the upper part of the switching member 40, and the switching member 40 is attached to the covering member 20 by coupling the fixing means 46 to the covering member 20.

  In order to accommodate the water pipe 10 in the space hole 4 of the head main body 1, as shown in FIGS. 5 and 6, a covering member 20 is attached to the head 3 of the head main body 1, and the screw 21 is connected to the screw hole of the head main body 1. After fixing by screwing 7, the water flow pipe 10 is accommodated in the space hole 4 of the head main body 1 from the tip portion 10 b, and the tip portion 10 b is inserted into the lateral hole 22 of the covering member 20 attached to the head 3. Join. In this state, as shown in FIG. 6, the notch groove 16 formed in the tip portion 10 b of the water conduit 10 faces the head 3 of the head body 1, so that the opening 6 of the head body 1 is opened. Therefore, the notch 16 can be visually observed.

  Next, as shown in FIG. 7, the retaining member 30 is inserted from the opening hole 6 of the head 3 of the head body 1 toward the water conduit 10, and the retaining member 30 is coupled to the notch groove 16 of the water conduit 10. The water conduit 10 is fixed to the head body 1. In this case, the retaining member 30 is not linked to the mounting of the switching member 40 on the covering member 20, and the retaining member 30 affects the mounting state of the switching member 40 due to the coupling state of the retaining member 30 to the water pipe 10. In addition, it is possible to prevent the occurrence of water leakage due to the switching member 40 being mounted in an unstable state and the switching failure of the water discharge form.

  Then, as shown in FIG. 1, when the switching member 40 is coupled to the head 3 from the opening hole 6 of the head body 1 and the switching member 40 is attached to the covering member 20, the assembly of the shower head A is completed.

  Next, when removing the water flow pipe 10 of the shower head A from the head main body 1, the switching member 40 is removed from the opening hole 6 of the head main body 1 so that the retaining member 30 can be seen through the opening hole 6. Next, when the finger is put into the opening hole 6 and the retaining member 30 is pulled out from the water pipe 10, the connection state between the water pipe 10 and the covering member 20 is released, so that the water pipe 10 is removed from the base end of the head body 1. The water pipe 10 is pulled away from the head body 1 simply by pulling it out.

  The shower head of the present invention has a hose connected to the proximal end of the water pipe, but the shower head is detachably supported on the faucet in the type used in the bathroom or in the washstand or sink, It can be used as a type that can be pulled out of the faucet together with the hose.

  As described above, according to the shower head of the embodiment, the retaining member for coupling the water pipe to the covering member is not exposed to the outside, and the aesthetic appearance is not impaired. Further, the retaining member and the switching member are independent from each other, and even if the water pipe vibrates with hot water passing through the water passage, the vibration is not transmitted to the switching member, and the water discharge mode is switched well. In addition, there is no risk of water leakage.

It is explanatory drawing of the state which assembled the shower head of this invention. It is a partial bottom view of the shower head of FIG. It is an exploded view of the shower head of the present invention. FIG. 4 is a partial bottom view of the head body of FIG. 3. It is explanatory drawing of the state which accommodated the water flow pipe and the coating | coated member in the head main body of FIG. FIG. 6 is a partial bottom view of the head body of FIG. 5. It is explanatory drawing of the state which fixed the water flow pipe and the coating | coated member to the head main body of FIG. FIG. 8 is a partial bottom view of the head body of FIG. 7.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1: Head body 2: Gripping part 3: Head part 4: Space hole 6: Opening hole 10: Water pipe 10b: Tip part 11: Water channel 16: Notch groove 20: Cover member 22: Side hole 30: Stopping member 40: Switching member A: Shower head

Claims (2)

A head main body having a grip portion having a space hole formed therein and a head portion provided at the tip of the grip portion and having an opening hole formed in a lower portion thereof, and a water passage through which hot water is accommodated in the space hole of the grip portion A water passage pipe formed with a covering hole formed with a horizontal hole fixed to the head and inserted into the front end side of the water passage pipe, and attached to the covering member from the opening hole of the head body. In the shower head comprising a switching member capable of switching the water discharge form of the supplied hot water, a notch groove facing the opening hole of the head body is formed at the tip of the water pipe, and the covering member is formed on the head body. A plurality of screw holes formed in the inner wall surface of the head are fixed by screwing screws, and a retaining member is inserted through the opening hole and attached to the notch groove, so that the water pipe is attached to the covering member. Characterized by combining Shower head.   The shower head according to claim 1, wherein the retaining member is detachable from a notch groove of the water pipe.

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