KR102444243B1 - Faucet head for sink - Google Patents

Abstract

The present invention relates to a faucet head for a sink capable of mixing a watering method. More particularly, the present invention relates to a faucet head for a sink that enables the simultaneous use of one existing soft water stream and a fine water stream in the form of a showerhead. In order to achieve the above objective, according to the present invention, the faucet head for a sink comprises: an outer body connected to a handle and having a water outlet; a watering unit coupled to a front surface of the outer body and having a watering hole in the center of a front surface thereof and fine watering holes formed along the circumference of the watering hole; and a watering method changing unit for selecting the watering hole, the fine watering holes, or both the watering hole and the fine watering holes to communicate with the water outlet.

Description

A faucet head for a sink that can mix watering methods {FAUCET HEAD FOR SINK}

The present invention relates to a faucet head for a sink that can be mixed with a sprinkling method, and to a faucet head for a sink that enables the simultaneous use of one soft stream of water and a fine stream of water in the form of a shower.

The sink faucet head installed in the sink, such as the kitchen, is mounted on the bellows-type water outlet pipe accommodated inside the sink, and can be used by inserting the faucet head into the sink or removing the faucet head.

The faucet head for the sink can generally be used by selecting two sprinkling methods.

The water sprinkling method of the faucet head for sink is composed of one soft stream of water mixed with air is sprayed to the center of the water faucet of the faucet head, or fine water streams in the form of a shower are sprayed around the water sprinkling plate of the faucet head. The watering method is changed by manipulating the knob exposed to the outside.

However, when using a faucet head, in some cases, it is more convenient to use one soft stream of water and a small stream of water in the form of a shower at the same time.

However, the conventional sink head faucet has a disadvantage in that it is not possible to select two types of water streams at the same time.

Accordingly, the present invention has been devised to solve the above problems,

An object of the present invention is to provide a faucet head for a sink that allows the use of one soft stream of water and a fine stream of water in the form of a shower, as well as using them at the same time.

In order to achieve the above object, the faucet head for a sink according to the present invention,

an outer body connected to the handle and formed with an outlet;

a watering unit coupled to the front surface of the outer body and having a watering hole at the center of the front surface and fine watering holes formed along the circumference of the watering hole; and

and a watering method changing unit that selects the watering hole or the fine watering hole or all of them to communicate with the water outlet.

And in the faucet head for the sink according to the present invention,

The watering method changing unit,

an inner body for changing the watering method forming a part of the water outlet and having a first communication hole connected to the water spray hole and a second communication hole connected to the fine water spray holes;

A watering change knob that protrudes from the surface of the outer body and is coupled to the left and right seesaw movement in three steps,

It is connected to the watering change knob and is coupled to open and close between the first communication hole and the second communication hole, but only the first communication hole is opened, or only the second communication hole is opened, or the first communication hole and the first communication hole and the second communication hole are opened. It is characterized in that it includes a watering changer for simultaneously opening two through-holes.

In addition, in the faucet head for the sink according to the present invention,

The watering changer is characterized in that it includes a ball plunger that is inserted into the first communication hole or the second communication hole toward the rear of the inner body for changing the watering method to selectively seal them.

In addition, in the faucet head for the sink according to the present invention,

The watering method changing unit,

and a locking protrusion protruding from the rear surface of the ball plunger;

Supporting the locking projection from the rear of the locking projection to the front, arranged between the first communication hole and the second communication hole, and a locking groove in which the locking projection is caught, and a support protrusion protruding so that the locking projection is in contact with both sides of the locking groove It is characterized in that it comprises a configured three-step operation means.

A faucet head for a sink according to the present invention,

The existing one soft water stream and shower-type fine stream, as well as these can be used at the same time, so that the user can easily change to three types of water stream as needed.

1 is an exploded side view of the present invention;
2 is a front view of the present invention.
3A and 3B are exploded perspective views of the present invention.
4 and 5 are main rear views of the present invention.
6 is a perspective view of the main part of the present invention.
7 is a cross-sectional view of the main part of the present invention.
8 is a cross-sectional view of the main part for explaining the double bolt of the present invention.

Since the present invention can have various changes and can have various forms, implementation examples (態樣, aspects) (or embodiments) will be described in detail in the text. However, this is not intended to limit the present invention to a specific publication form, it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

In each drawing, the same reference sign, particularly the number of the tens and one digit, or the reference numerals having the same tens, one, and alphabet, indicates a member having the same or similar function, and unless otherwise specified, each of the figures in the drawings The member indicated by the reference sign may be understood as a member conforming to these standards.

In addition, in each drawing, in consideration of the convenience of understanding, the size or thickness is exaggeratedly large (or thick) small (or thin) or simplified, but the protection scope of the present invention is limited by this. it shouldn't be

The terminology used herein is only used to describe a specific embodiment (aspect, aspect, aspect) (or embodiment), and is not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as comprises or consists of are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, and one or more other features It is to be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

~1~, ~2~, etc. described in the present specification will only be referred to to distinguish that they are different components, and are not limited to the order of manufacture, and the names are not in the detailed description and claims of the invention. may not match.

In describing the faucet head for the sink according to the present invention, for convenience, if an approximate direction standard, which is not strict, is specified with reference to FIG. 1, the direction in which gravity acts is the downward direction and the vertical and horizontal directions are determined as they are, and other drawings In the detailed description and claims related to the invention, the directions are specifically described according to this standard unless otherwise specified.

Hereinafter, a faucet head for a sink according to the present invention will be described with reference to the accompanying drawings.

The present invention relates to a faucet head for a sink as shown in FIGS. 1 to 6, and is largely composed of a handle (1) and a head body (M).

Specifically, the head body (M) includes an outer body (10), a water spray unit (20), an inner body for water pressure discharge (hereinafter, divided into a first inner body (30).), a water pressure control unit (P), and water spray Including a method change unit (C),

The water pressure control unit (P) is composed of a water pressure control knob 40, a water pressure control joint 50, and an inner body for water pressure adjustment (hereinafter referred to as a second inner body 60),

The watering method changing unit (C) is composed of an inner body for changing the watering method (hereinafter referred to as a third inner body 70), a watering change knob 80, and a watering changer 90.

The outer body 10 has a handle 1 connected to a lower portion, and the first inner body 30, a water pressure control unit (P) and a water spray method changing unit (C) are built-in therein to form an outlet channel .

This outer body 10 has an inlet 11 connected to the handle 1,

The discharge hole 31 of the first inner body 30, the communication path 51 and the water pressure adjustment hole 52 of the water pressure control joint 50, coupled to the inside of the outer body 10, the second inner A water outlet through which water is sequentially discharged is formed along the water outlet hole 61 of the body 60, the first communication hole 71 or the second communication hole 72 of the third inner body 70,

The water supplied to the inlet 11 is sprayed into the water spray holes 21 and/or the fine water spray holes 22 of the water spray unit 20 .

In addition, the outer body 10 has a first guide groove 12 and a second guide groove 13 for the water pressure control knob 40 and the water spray change knob 80 passing through the side wall to have a predetermined length left and right. .

The watering unit 20 is coupled to the front surface of the outer body 10 and includes a watering hole 21 at the center of the front surface and fine watering holes 22 formed along the circumference of the watering hole 21 .

A single stream of water is sprayed through the water spray hole 21, and a water stream in the form of a shower is sprayed through the fine water spray holes 22. In particular, in the present invention, the water spray hole 21 is provided through the watering method changing unit (C). And water may be sprayed at the same time from the fine spray holes 22, which will be described later.

Then, a filter 23 that mixes water with air and sprays it with one soft water stream is coupled to the water spray hole 21 by a filter cap 24 .

This watering unit 20 is coupled to the front opening of the outer body 10 through the front cap (25).

The first inner body 30 is inserted into the innermost end of the outer body 10, and forms a discharge hole 31 communicating with the inlet 11 of the outer body 10 in the center of the front. A single female coupling part 32 is provided, and a discharge hole 31 connected to the inlet 11 is formed through the center, so that the water introduced into the inlet 11 flows into the first inner body 30 . ) to be discharged to the front through the discharge hole 31 in a state in which the water pressure is increased.

The water pressure control unit (P) is connected to the water pressure control knob 40 that protrudes from the surface of the outer body 10 so as to be rotatably coupled to the left and right, and the water pressure control knob 40 is rotated left and right to control the water outlet. It is composed of a water pressure control joint 50 that adjusts the degree of opening and closing.

The water pressure control knob 40 is fitted and coupled to the first guide groove 12 so as to protrude from the surface of the outer body 10 , and operates by sliding left and right along the first guide groove 12 .

The water pressure control knob 40 includes a wing portion 41 protruding from both sides to have an arc shape corresponding to the inner diameter of the outer body 10 and sealing the inner opening of the first guide groove 12, The first coupling protrusion 42 connected to the lower center of the wing part 41 is coupled to the hydraulic pressure control joint 50 .

In the water pressure control joint 50 , a communication path 51 with a closed front is formed to pass through, and a water pressure control hole 52 is formed to pass through the front portion of the communication path 51 .

The water pressure control joint 50 is connected to the water pressure control knob 40 and rotatably coupled from the rear side of the second inner body 60 to adjust the degree of opening and closing of the water outlet hole 61, and the first male coupling part A communication path 51 with a front closed while passing through the center of the 54 and the second male coupling portion 55, a water pressure adjusting hole 52 formed through the front portion of the communication path 51, and a rear surface A first male coupling part 54 protruding from and fitted into the first female coupling part 32, and a second male coupling part 55 protruding from the front, the water pressure adjusting hole 52 will be described later. It is provided to correspond to the water outlet hole (61).

In addition, the first coupling part 53 to which the first coupling protrusion 42 is fitted and coupled to the upper surface of the water pressure control joint 50 protrudes.

In addition, the second inner body 60 is built into the outer body 10 so as to overlap the front surface of the first inner body 30, and is provided with a water outlet hole 61 forming a part of the water outlet. , the water outlet hole 61 is formed through the center to correspond to the water pressure control hole 52, and a second female coupling part 67 into which the second male coupling part 55 is fitted is provided on the rear surface.

It is preferable that two or more water outlet holes 61 pass through the center of the second inner body 60 and are arranged in the circumferential direction.

This water pressure control unit (P),

When the water pressure control knob 40 is rotated to the end in both left and right directions, the water pressure control hole 52 is completely displaced from the water outlet hole 61, so that the water outlet is completely closed,

When the water pressure control knob 40 is rotated to the central position, the water pressure control hole 52 and the water outlet hole 61 are aligned on the same line to completely open the water outlet channel,

At this time, regardless of the position where the water pressure control knob 40 rotates left and right, the wing part 41 covers and seals the opening of the first guide groove 12 to block the inflow of foreign substances.

Accordingly, when the water pressure control knob 40 is rotated at a predetermined angle from side to side with the center of the first guide groove 12 as a starting point, the water pressure control hole 52 and the water outlet hole 61 overlap each other and open according to the rotation angle. The area to be covered varies,

Through this, as the amount of water passing through the water pressure control hole 52 and the water outlet hole 61 is adjusted, the pressure of water sprayed to the water spray unit 20 can be freely adjusted regardless of whether the lever of the faucet is finally operated or not. be able to

In this case, the second inner body 60 includes both side stoppers 62 that protrude at a predetermined angle from both sides of the water outlet hole 61 as the center, and the water pressure control knob 40 and the water pressure control The coupling portions of the joint 50 are coupled to be arranged between the both sides of the stoppers 62 .

These both side stoppers 62 limit the rotation angle of the water pressure control knob 40 by contacting the side portion of the first coupling portion 53 on the inner surface of each.

Next, the watering method changing unit (C) selects the watering hole 21 or the fine watering hole 22 or all of them to communicate with the water outlet.

That is, as described above, when the water spray hole 21 forms an outlet channel, one soft stream of water is sprayed through the water spray hole 21, and when the fine water spray holes 22 form an outlet channel, the fine A plurality of fine streams of water are sprayed as a shower-shaped water stream through the watering holes 22, and when both the watering holes 21 and the fine watering holes 22 form an outlet, two types of water streams are sprayed at the same time.

Specifically, the watering method changing unit (C),

A third inner body ( 70) and

The watering change knob 80 protruding from the surface of the outer body 10 and coupled to the left and right seesaw movement in three steps,

It is connected to the watering change knob 80 and reciprocates between the first communication hole 71 and the second communication hole 72 to open and close, but only the first communication hole 71 is opened or the second communication hole 72 is opened. It includes a watering changer 90 that opens only the second communication hole 72 or simultaneously opens the first communication hole 71 and the second communication hole 72 .

The third inner body 70 is coupled so that the water discharged from the water outlet hole 61 fills the space between the second inner body 60 and the first communication hole 71 and the first communication hole 71 in the lower middle. Two communication holes 72 are arranged left and right.

The first communication hole 71 and the second communication hole 72 are separately made of a soft material such as rubber for close contact with the ball plunger 91 to be described later, and are fitted and coupled to the third inner body 70 . desirable.

The first communication hole 71 and the second communication hole 72 have a closed front surface, and a partition wall 73 having a diameter corresponding to the water spray hole 21 is formed of the third inner body 70 . protruding from the front,

The first communication hole 71 is formed to communicate with the internal space of the partition wall portion 73 based on the partition wall portion 73 , and the second communication hole 72 is formed outside the partition wall portion 73 . It is formed in communication with space.

The watering change knob 80 is fitted and coupled to the second guide groove 13, and the left side and the center and It operates with a three-step left and right seesaw movement, each stopping on the right side.

The watering change knob 80 is coupled to the watering changer 90 with the second coupling part 82 protruding downward.

To this end, the second inner body 60 is provided with a rotating shaft part 63 through which the coupling protrusion of the watering changer 90 penetrates and is coupled to the upper end of the front surface, and an exposed hole at the rear end of the rotation shaft part 63 is provided. 64 is formed to penetrate inside and outside, so that the second coupling part 82 is fitted into the exposed hole 64 .

And the water spray changer 90 has a second coupling protrusion 91 protruding from the top rear surface is fitted into the rotation shaft part 63 and is coupled to the second coupling part 82 of the exposed hole 64, and the second coupling protrusion 91 The coupling protrusion 91 functions as the axis of the watering changer 90 and at the same time serves to couple the watering change knob 80 and the watering changer 90 .

The watering changer 90 opens only one of the first communication hole 71 and the second communication hole 72 so that water is discharged through the open communication hole, and in the watering unit 20, the watering hole 21 or The watering is performed through the fine watering holes 22 .

In particular, in the present invention, the water spray changer 90 opens both the first communication hole 71 and the second communication hole 72 so that water is discharged through each communication hole 71 and 72 at the same time. Unlike a single soft stream of water and a shower-type fine stream of water that can be selected and used, it has the advantage of being able to spray and use different types of water at the same time.

Specifically, the watering changer 90 is a ball plunger ( 91).

The ball plunger 91 is provided at the lower end of the watering changer 90, and includes a ball member 911 that is received and coupled to the front of the casing connected to the lower end of the watering changer 90, and the inside of the casing. It consists of a spring 912 for elastically supporting the ball member 911 in the front.

Further, for the three-step left and right seesaw movement of the watering change knob 80, the watering method changing unit (C),

and a locking protrusion 93 protruding from the rear surface of the ball plunger 91;

The locking protrusion 93 is supported from the rear of the locking protrusion 93 to the front, but the locking groove is arranged between the first communication hole 71 and the second communication hole 72 to catch the locking projection 93 . (65), and a three-step operation means consisting of a support protrusion (66) protruding so that the locking projection (93) is in contact with both sides of the locking groove (65).

The support protrusion 66 protrudes from the front surface of the second inner body 60 so that the locking groove 65 is formed between the support protrusions 66 on both sides.

Therefore, when one end of the watering change knob 80 is pressed all the way down, the watering changer 90 rotates in one direction (clockwise based on FIG. 4 ), so that the ball member 911 of the ball plunger 91 moves to the second second side of the watering changer 90 . By closing the communication hole 72, only the first communication hole 71 on one side is opened, and at this time, the locking projection 93 passes over the support projection 66 on the other side and is caught on the outer surface of the support projection 66 and sprayed. The pressed state of the change knob 80 is maintained.

In addition, when the other end of the watering change knob 80 is pressed all the way down, the watering changer 90 rotates in the other direction (counterclockwise based on FIG. 4 ), so that the ball member 911 of the ball plunger 91 moves on one side. By closing the first communication hole 71, only the second communication hole 72 on the other side is opened. The pressed state of the water spray change knob 80 is maintained.

In addition, when the watering change knob 80 is pressed horizontally, the ball member 911 of the ball plunger 91 is connected to the first communication hole 71 and the first communication hole 71 as the watering changer 90 is erected in the vertical direction. Located between the two communication holes 72, both the first communication hole 71 and the second communication hole 72 are opened at the same time, in this case, the locking projection 93 is a locking groove between the support protrusions 66 (65), the pressed state of the water spray change knob (80) is maintained.

Through the watering method change unit (C) operating in three steps, the present invention does not provide watering with only the watering hole 21 or the fine watering hole 22, but the watering hole 21 and the fine watering hole. Simultaneous watering is possible with (22), allowing one soft stream of water and a shower-type fine stream of water to be used at the same time.

On the other hand, the outer body 10 is projected forward from the inner surface of the rear surface and includes a first inner pillar portion 14 having a screw hole,

The first inner body 30 includes a first outer column part 33 protruding from the front surface, and a first outer column part 33 penetrating the first outer column part 33 to which the first inner column part 14 is fitted. 1 includes a fitting hole (34),

The second inner body 60 has a second outer pillar portion 68 protruding from the front side, the second outer pillar portion 68 is formed to pass through, and the first outer pillar portion 33 is formed on the rear end side. It includes a second fitting hole 69 to be fitted,

The third inner body 70 has a second inner column 74 that protrudes toward the rear surface and is fitted into the second fitting hole 69 to contact the first outer column portion 33, and the second inner column portion Including a fastening hole 75 formed through (74),

A bolt 76 is inserted into the fastening hole 75 and coupled to the screw hole, so that the inner component assembly is assembled to the outer body 10 .

The bolt coupling structure including the first inner pillar 14 is formed on both left and right sides with respect to the watering hole 21 .

Through this, in the present invention, the first to third inner bodies 30, 60, and 70 are simultaneously assembled to the outer body 10 with bolts 76, thereby improving assembling properties.

At this time, the present invention is configured as a double bolt so that the bolt 76 can be more firmly coupled to the screw hole of the first inner pillar 14 .

As shown in FIG. 8 , the bolt 76 includes a female screw hole 763 penetrating through the first driver groove 762 of the first head part 761 in the longitudinal direction, and the female screw hole 763 . A tapered surface 764 in which the inner diameter of a portion of the opposite end of the first head portion 761 is gradually reduced on the inner circumferential surface of the ) has,

A second driver groove 772 having a smaller dimension than that of the first driver groove 762 is formed in the second head portion 771, and the second head portion 771 is screwed into the female screw hole 763. ) further comprising a small-diameter pressing bolt 77 having a hemispherical pressing protrusion 773 at the opposite end thereof,

When the small-diameter pressing bolt 77 is further tightened in the state in which the bolt 76 is first coupled to the screw hole of the first inner column 14, the pressing protrusion 773 is the tapered surface 764. ) is pressed to the outside, and as the convex part 766 is opened, the thread of the convex part 766 is twisted at an angle to the thread of the screw hole and is coupled.

The female screw hole 763 has an inner diameter corresponding to the outer diameter of the second head portion 771 at one end where the first head portion 761 is located and a receiving groove of a predetermined depth is formed, and the tapered surface ( At the end of the threaded end of the bolt 76 on which the 764 is formed, a cutting portion 765 cut by the length of the tapered surface 764 in the longitudinal direction is radially formed, and the open portion with the cutting portion 765 interposed therebetween. (766) is formed.

At this time, although not shown in the drawing, the threads formed on the outer circumferential surface of the convex part 766 are formed to have a lower height than the remaining threads of the bolt 76 and are connected to have the same pitch. That is, the screw-gol depth of the bulging part 766 is formed lower than the rest of the screw-gol of the bolt 76 .

The small-diameter pressing bolt 77 is connected to the end of the screw portion by protruding in a hemispherical shape so that the pressing protrusion 773 has the same outer diameter as the small-diameter pressing bolt 77, and these small-diameter pressing bolts 77 are The pressing protrusion 773 is temporarily coupled so as not to be fitted to the tapered surface 764 .

Accordingly, the bolt 76 is tightened with a large-diameter driver that fits the first driver groove 762 , and then the first screw is coupled to the screw hole of the first inner pillar 14 , and then the second driver groove 772 is fitted. If the small-diameter pressure bolt 77 is additionally tightened with a small-diameter driver,

As the small-diameter pressing bolt 77 is secondarily tightened with respect to the bolt 76 , the pressing protrusion 773 enters the tapered surface 764 to widen the open portion 766 .

Therefore, as the twist angle of the screw thread formed on the outer circumferential surface of the convex part 766 is changed, the convex part 766 is twisted and engaged with the screw hole of the first inner pillar 14 at an opposite angle, and the convex part 766 is engaged. Since it itself functions as a kind of nut, the bolt 76 is not loosened from the screw hole of the first inner column 14 .

In the above description of the present invention, with reference to the accompanying drawings, the faucet head for the sink has been mainly described, but the present invention is capable of various modifications, changes and substitutions by those skilled in the art, and such modifications, changes and substitutions are within the scope of protection of the present invention. should be interpreted as belonging to

1: Handle P: Water pressure control unit
C: Watering method change unit
10: outer body 20: water sprayer
30: first inner body 40: water pressure control knob
50: water pressure control second inner body 60: second inner body
70: third my body 80: water change knob
90: water changer

Claims (4)

Connected to the handle (1), the outer body (10) having a front opening,
A watering unit 20 coupled to the front opening of the outer body 10 and having a watering hole 21 in the center of the front and fine watering holes 22 formed along the circumference of the watering hole 21;
It is inserted into the innermost end of the outer body 10, and provided with a first arm coupling portion 32 forming a discharge hole 31 communicating with the inlet 11 of the outer body 10 in the center of the front The first inner body 30 for discharging one water pressure,
The water pressure control knob 40 protruded to the surface of the outer body 10 and coupled to be rotatable left and right;
It is connected to the water pressure control knob 40 and rotatably coupled from the rear side of the second inner body 60 to adjust the degree of opening and closing of the water outlet hole 61, and the first male coupling part 54 and the second male coupling A communication path 51 whose front is sealed while passing through the center of the portion 55, a hydraulic pressure control hole 52 formed through the front portion of the communication path 51, and the first arm coupling protruding from the rear surface A water pressure control joint 50 having a first male coupling part 54 fitted into the part 32 and a second male coupling part 55 protruding from the front surface;
A water pressure control agent having a water outlet hole 61 formed through the center corresponding to the water pressure control hole 52 and a second female coupling part 67 into which the second male coupling part 55 is fitted on the rear surface. 2 My body (60),
A third inner body 70 for changing the watering method having a first communication hole 71 connected to the water spray hole 21 and a second communication hole 72 connected to the fine water spray holes 22;
The watering change knob 80 protruding from the surface of the outer body 10 and coupled to the left and right seesaw movement in three steps,
It is connected to the water spray change knob 80 and reciprocates between the first communication hole 71 and the second communication hole 72 to open and close, but only the first communication hole 71 is opened or the second communication hole 72 is opened. The faucet head for sink, characterized in that it includes a watering changer (90) that opens only two communication holes (72) or simultaneously opens the first communication hole (71) and the second communication hole (72).
The method of claim 1,
The outer body 10 protrudes forward from the inner surface of the rear surface and includes a first inner pillar portion 14 having a screw hole,
The first inner body 30 includes a first outer column part 33 protruding from the front surface, and a first outer column part 33 penetrating the first outer column part 33 to which the first inner column part 14 is fitted. 1 includes a fitting hole (34),
The second inner body 60 has a second outer pillar portion 68 protruding from the front side, the second outer pillar portion 68 is formed to pass through, and the first outer pillar portion 33 is formed on the rear end side. It includes a second fitting hole 69 to be fitted,
The third inner body 70 has a second inner column 74 that protrudes toward the rear surface and is fitted into the second fitting hole 69 to contact the first outer column portion 33, and the second inner column portion Including a fastening hole 75 formed through (74),
The faucet head for sink, characterized in that by inserting a bolt (76) into the fastening hole (75) and coupling it to the screw hole, the internal component assembly is assembled to the outer body (10).
3. The method of claim 2,
The watering changer 90 is a ball plunger 91 that is fitted toward the rear surface of the third inner body 70 and is inserted into the first communication hole 71 or the second communication hole 72 to selectively seal them. A faucet head for the sink, characterized in that it comprises a.
4. The method of claim 3,
and a locking protrusion 93 protruding from the rear surface of the ball plunger 91;
The locking protrusion 93 is supported from the rear of the locking protrusion 93 to the front, but the locking groove is arranged between the first communication hole 71 and the second communication hole 72 to catch the locking projection 93 . A faucet head for sink, characterized in that it comprises a three-step operation means comprising (65) and a support protrusion (66) protruding so that the locking projection (93) is in contact with both sides of the locking groove (65).

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