KR20180050039A - head assembly for water purifier filter - Google Patents

Abstract

The present invention provides a head assembly for a water purifying filter, which comprises: a head body having an inlet pipe through which raw water flows into both sides and a take-out pipe through which raw water or filtered water passes through the filter; a rotary shaft rotatable in the head body by left-right rotation of the water filter, and having a bypass hole and a guide hole formed on the circumferential surface thereof; and a fixed cap formed with a limiting protrusion for limiting the rotation angle of the rotary shaft, wherein the head assembly makes it possible to use water as direct water without passing through the water purifying filter, or as purified water passing through the water purifying filter, so that the use of each application can be accurately controlled.

Description

Technical Field [0001] The present invention relates to a head assembly for a water purifier,

The present invention relates to a water filter, and more particularly, to a water filter which can be used as a direct water without using a water filter or as a water filter passing through a water filter, And more particularly, to a head assembly for a water filter according to a new type which can stably maintain airtightness.

Generally, a water filter is used in a water purifier, and functions to filter various foreign substances, pollutants, or bacteria contained in raw water to be filtered.

In this water filter, a head assembly is installed, and the inflow and outflow of raw water can be guided through the head assembly. In this regard, in the related art, , Registration Practice No. 20-0426860, and Registration No. 10-1480993.

However, the head assembly of the water filter according to the above-described prior art has been constructed so that the water in the water purifier always passes through the water purifier, and does not use the water completely without going through the water purifier.

Of course, conventionally, the switching valve device disclosed in the Utility Model No. 1986-0001110 has been provided using the raw water as the direct water or after purifying the raw water. However, since the structure is complicated, the manufacturing is difficult and the leakage area is large And there was also a problem that the inconvenience of use was large.

Patent No. 10-1568985 Patent Publication No. 10-2013-0004102 Registration Practice No. 20-0426860 Registration No. 10-1480993 Utility Model Room 1986-0001110

SUMMARY OF THE INVENTION The present invention has been made in order to solve various problems of the conventional art described above, and an object of the present invention is to provide a water purifier that can be used as a direct water without passing through a water filter, And to provide a head assembly for a water filter according to a new type that can maintain the airtightness stably.

In order to attain the above object, according to the present invention, there is provided a head assembly for a water filter, wherein the water assembly is formed as a tubular body that opens upwards and downwards while forming an outer tube, and the open upper end of the water filter is received at the bottom, And a take-out tube through which purified water is passed through the bypassed raw water or the filter; The water filter is rotated in the head body by the left and right rotations of the water filter in a state where the upper end portion of the water filter is coupled with the water filter installed vertically across the inlet pipe and the outlet pipe in the head body, A rotary shaft having a bypass hole for directly guiding the raw water flowing into the inlet pipe of the body to the outlet pipe and a guide hole for guiding the raw water flowing into the inlet pipe of the head body into the water filter; And a fixing cap which is installed to cover the opened top surface of the head body and has a limiting protrusion for limiting a rotation angle of the rotating shaft.

A seat cushion is protruded from an inner circumferential surface of the head body, and a circumferential surface of the rotation shaft is provided with a seat cushion protruding from the seat cushion. The seat cushion includes a seat cushion A ring-shaped seed part material is provided.

In addition, an inclined seating end is formed at an upper end inner circumferential surface of the head body so as to be extended toward the upper end, and an inclined expansion end extending to the upper end so as to be seated on the inclined seating end of the head body, Is formed.

The upper surface of the rotary shaft is formed with a detent protrusion for blocking rotation of the rotary shaft by being caught by the limiting protrusion of the fixed cap when the rotary shaft is rotated.

In addition, the guide hole of the rotating shaft may include a first horizontal guide hole formed to penetrate from one circumferential surface of the rotating shaft to the radial direction, to guide the raw water from the inlet pipe to flow in the horizontal direction, A first vertical guide hole formed vertically through an end of the guide hole to guide the flow of the raw water to the inner space of the water filter, a second vertical guide hole guiding the flow of purified water in the inner space of the water filter, And a second horizontal guide hole formed in a horizontal direction from an upper end of the second vertical guide hole toward a portion where the takeout pipe is formed.

As described above, the head assembly for a water filter of the present invention can be used as direct water without passing through a water filter, or can be used as a water passing through a water filter, I have.

In addition, the head assembly for a water filter of the present invention is configured such that a plurality of seal members are additionally provided on the circumferential surface of the rotary shaft, and a clearance between the bottom surface and the circumferential surface of the rotary shaft is simultaneously sealed So that the airtightness can be maintained more stably.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a head assembly for a water filter according to a preferred embodiment of the present invention,
FIG. 2 is an exploded perspective view of a head assembly for a water filter according to a preferred embodiment of the present invention,
FIG. 3 is an exploded perspective view showing a state of the head assembly for a water filter according to a preferred embodiment of the present invention,
FIG. 4 is a perspective view of a head assembly for a water filter according to a preferred embodiment of the present invention,
5 is a front view illustrating a head assembly for a water filter according to a preferred embodiment of the present invention.
6 is a side view illustrating a head assembly for a water filter according to a preferred embodiment of the present invention;
7 is a plan view for explaining a head assembly for a water filter according to a preferred embodiment of the present invention;
8 is a cross-sectional view for explaining the state of the head assembly for a water filter according to the preferred embodiment of the present invention
9 is a cross-sectional view for explaining a state of the head assembly for a water filter according to the preferred embodiment of the present invention,
FIG. 10 is a plan view for explaining the rotation state of the rotary shaft during direct operation of the head assembly for a water filter according to the preferred embodiment of the present invention
11 is a plan view for explaining the rotation state of the rotary shaft during the constant operation of the head assembly for a water filter according to the preferred embodiment of the present invention
12 is a perspective view illustrating a head assembly for a water filter according to another embodiment of the present invention.
13 and 14 are sectional views for explaining a head assembly for a water filter according to another embodiment of the present invention

Hereinafter, a preferred embodiment of a head assembly for a water filter of the present invention will be described with reference to FIGS. 1 to 14 attached hereto.

FIG. 1 is an exploded perspective view illustrating a head assembly for a water filter according to a preferred embodiment of the present invention, and FIG. 2 is a perspective view illustrating a head assembly for a water filter according to a preferred embodiment of the present invention. FIG. 3 is an exploded perspective view illustrating a head assembly for a water filter according to a preferred embodiment of the present invention, viewed from a direction different from that of FIG. 1, and FIG. 4 is an exploded perspective view 1 is an exploded perspective view illustrating a head assembly for a water filter according to a preferred embodiment of the present invention.

As shown in these drawings, a head assembly for a water filter according to an embodiment of the present invention comprises a head body 100, a rotary shaft 200 and a fixed cap 300, The restriction projection 310 is formed on the rotation shaft 200 to restrict the rotation angle of the rotation shaft 200. The rotation shaft 200 flows the raw water as it is according to the rotation position, To be purified, and then to be taken out.

This will be described in more detail below for each configuration.

First, the head body 100 is a portion where the water filter 10 is coupled and mounted while forming the outer body of the head assembly for a water filter.

The head body 100 is formed as a vertically opened tube body. The open upper end portion of the water filter 10 is received and coupled to the bottom portion of the head body 100, and the inflow hole 110 and the take- Respectively.

In addition, an inlet pipe 111 for guiding the inflow flow of raw water is protruded from a circumferential surface of the head body 100 at a portion where the inflow hole 110 is formed, At the site where the hole 120 is formed, a take-out tube 121 for guiding the discharge flow of the raw water to be bypassed or purified water through the filter is protruded.

A seating jaw 130 protrudes from the inner surface of the head body 100 directly below the inlet hole 110 and the outlet hole 120. An upper end inner peripheral surface of the head body 100 The inclined seating end 140 inclined to be gradually extended is formed so that the rotary shaft 200 to be described later can be seated while maintaining the correct position.

The rotary shaft 200 guides the flow of the raw water introduced through the inflow pipe 111 of the head body 100 to the water filter 10 via the water filter 10, And guided to be taken out to the take-out tube 121 directly.

The rotary shaft 200 is installed between the inlet pipe 111 and the outlet pipe 121 in the head body 100 so as to cross the upper and lower portions of the rotary shaft 200. The upper end of the water filter 10 is coupled to the lower end of the rotary shaft 200 To rotate in the head body 100 by the left-right rotation of the water filter 10.

A mounting projection 210 is formed on the peripheral surface of the rotary shaft 200 so as to be mounted on the mounting jaw 130 in the head body 100. The rotary shaft 200 has an outer peripheral surface on the upper end, The inclined extension step 220 is formed so as to be seated on the inclined seating end 140 of the body 100 so that the rotary shaft 200 is operated in a state in which the rotary shaft 200 is seated at the correct position in the head body 100 .

In addition, ring-shaped seal members 230 and 240 are provided on portions of the circumferential surface of the rotary shaft 200 between the seating protrusions 210 and the seating jaws 130 and at the lower end portion of the inclined extending ends 220 . At this time, the seal member 240 interposed between the seating protrusion 210 and the seating jaw 130 simultaneously performs the sealing of the circumferential surface of the rotating shaft 200 and the bottom surface of the seating protrusion 210, It can be maintained.

A bypass hole 250 for directly guiding the raw water introduced into the inlet pipe 111 of the head body 100 to the outlet pipe 121 and a bypass hole 250 for guiding the raw water introduced into the inlet pipe 111 of the head body 100 directly to the outlet pipe 121, And guide holes 261, 262, 263 and 264 for guiding the raw water introduced into the inlet pipe 111 of the water filter 10 into the water filter 10 are formed.

The bypass holes 250 and the guide holes 261, 262, 263 and 264 are formed on the circumferential surfaces of the circumferential surfaces of the rotary shaft 200. Particularly, the guide holes 261, 262, 263, So as not to communicate with each other in an interrupted state.

Particularly, in the embodiment of the present invention, the guide holes 261, 262, 263, and 264 are formed in a radial direction from one circumferential surface of the rotating shaft 200, and the raw water flows from the inlet pipe 111, A first horizontal guide hole 261 for guiding the flow of the raw water to the inner space of the water filter 10 while being vertically penetrated from the end of the first horizontal guide hole 261 to the bottom, A second vertical guide hole 263 for guiding the flow of purified water in the inner space of the water filter 10 from the upper end of the second vertical guide hole 263, And a second horizontal guide hole 264 formed to penetrate in a horizontal direction toward a portion where the first guide hole 261 is formed.

That is, the raw water flowing into the inlet pipe 111 by the guide holes 261, 262, 263, 264 described above is purified via the inside of the water filter 10 and taken out to the outlet pipe 121.

On the other hand, at the time of rotating operation of the water filter, the inlet pipe 111 and the blowout pipe 121 and the bypass hole 250 or the guide holes 261, 262, 263, 264 can be selectively stopped in accordance with the rotation direction do.

To this end, in the embodiment of the present invention, a detent protrusion 270 is protruded from the upper surface of the rotary shaft 200. The detent protrusion 270 is engaged with the protrusion 310 of the fixing cap 300 to be described later when the rotating shaft 200 is rotated so that the rotating shaft 200 is prevented from rotating. And the blowout pipe 121 can be maintained in a state exactly coinciding with the bypass hole 250 or the guide holes 261, 262, 263, 264.

Next, the fixed cap 300 is a portion for limiting the rotation angle of the rotary shaft 200.

The fixed cap 300 is installed to cover the open upper surface of the head body 100 and a limiting protrusion 310 protruding from the bottom surface of the fixed cap 300 for limiting the rotation angle of the rotary shaft 200 is formed.

The fixing protrusion 310 of the fixed cap 300 and the detent protrusion 270 of the rotating shaft 200 are positioned and shaped so as to have an angular displacement of 90 ° in accordance with the rotating direction of the rotating shaft 200 Respectively.

In the embodiment of the present invention, the stop protrusion 310 of the fixed cap 300 is formed to serve as a stopper that functions only as a reference position, and the stop protrusion 270 of the rotating shaft 200 Shaped protrusions whose both end surfaces are in contact with both side walls of the limiting protrusion 310 opposite to the rotating end of the rotating shaft 200 according to the rotating direction of the rotating shaft 200. [

A locking groove 150 is formed in the upper end surface of the head body 100 and a locking protrusion 320 is protruded from the bottom surface of the fixing cap 300. That is, due to the structure of the latching groove 150 and the latching protrusion 320, the fixed cap 300 can be always coupled to the correct position of the head body 100, It is possible to prevent the fixed cap 300 from being rotated due to the impact even when the locking protrusion 310 and the detent protrusion 270 collide with each other.

Hereinafter, the operation of the head assembly for a water filter according to the above-described embodiment of the present invention will be described in more detail.

In the head assembly for a water filter according to an embodiment of the present invention, a water filter 10 is mounted, a pipe for supplying raw water to the inlet pipe 111 is connected to the pipe assembly 121, A conduit for connection is connected.

In this state, the user can set the water filter 100 in a clockwise direction (rightward as viewed from the attached FIG. 5) or counterclockwise (as shown in FIG. 5 attached) according to the desired state Left direction in view).

8, the bypass hole 250 of the rotary shaft 200 is connected to the inflow of the head body 100 (see FIG. 8) by rotating the water filter 10 counterclockwise, for example, And coincides with the tube 111 and the take-out tube 121. At this time, the detent protrusion 270 of the rotary shaft 200 is restricted in its rotational displacement by the limiting protrusion 310 of the fixed cap 300 as shown in the attached FIG. 10, 111 and the take-out tube 121 of the rotary shaft 200 can be accurately aligned with each other.

The raw water flowing through the inflow pipe 111 flows into the bypass hole 250 of the rotary shaft 200 after passing through the inflow hole 110 of the head body 100, 100, and then taken out through the take-out hole 120 and through the take-out tube 121, whereby the user receives the raw water directly.

9, the first horizontal guide hole 261 of the rotary shaft 200 is rotated in the clockwise direction by rotating the water filter 10 in the clockwise direction of the head body 100 The second horizontal guide hole 264 of the rotary shaft 200 is aligned with the take-out hole 120 of the head body 100. In addition, At this time, the detent protrusion 270 of the rotating shaft 200 is restricted in its rotational displacement by the limiting protrusion 310 of the fixed cap 300 as shown in FIG. 11, The guide hole 261 and the second horizontal guide hole 264 can be precisely aligned with the inlet hole 110 and the outlet hole 120 of the head body 100.

The raw water flowing through the inlet pipe 111 flows through the inlet hole 110 and then flows along the first horizontal guide hole 261 of the rotary shaft 200 and then flows into the first horizontal guide hole 261 The purified water flows downward along the first vertical guide hole 262 communicated with the end of the second vertical guide hole 263 and is supplied to the inner space of the water filter 10, And then flows through the second horizontal guide hole 264 and the take-out hole 120 in order and is provided to the user through the take-out tube 121, so that the user can receive the constant.

As a result, the head assembly for a water filter of the present invention can be used as a direct water without passing through the water filter 10, or as an electric water passing through the water filter 10, have.

The head assembly for a water filter of the present invention may further include a plurality of seal members 230 and 240 on the circumferential surface of the rotary shaft 200, The gap between the bottom surface and the circumferential surface is simultaneously sealed so that the airtightness can be maintained more stably.

Meanwhile, the head assembly for a water filter of the present invention is not limited to the structure of the above-described embodiments.

For example, as shown in FIGS. 12 to 14, the fixed cap 300 is not configured to close the open upper surface of the head body 100 while surrounding the upper end of the head body 100, The upper surface of the head body 100 may be closed by engaging the engaging protrusion 320 with the engaging groove 150 while the fixed cap 300 is placed on the upper surface of the head body 100. In this case, it is preferable to further form a catching protrusion 330 which is hooked on the inner circumferential surface of the inclined seating end 140 of the head body 100 in the edge side portion of the fixed cap 300.

14, auxiliary auxiliary hermetic members 280 and 290 are additionally provided between the two seal members 230 and 240 of the circumferential surface of the rotary shaft, so that the inflow hole 110 and the take- It is possible to prevent the fluid (raw water, constant) passing through the horizontal guide holes 261 and 264 from flowing into the gap between the rotary shaft 200 and the head body 100.

In particular, as shown in FIGS. 13 and 14, the support shaft 160, which can support a part of the circumferential surface of the rotary shaft 200, is further protruded from the inner circumferential surface of the head body 100, It is more preferable that the supporting force for supporting the sealing member 200 is dispersed not only in the seal members 230 and 240, but also in the support jaws 160. At this time, the support jaws 160 and the portions to be seated on the support jaws 160 are formed to be inclined so that the seating positions of the support jaws 160 can be exactly matched.

As described above, the head assembly for a water filter of the present invention can be variously modified.

10. Water filter 100. Head body
110. Inflow hole 111. Inflow pipe
120. Take out ball 121. Take out pipe
130. Seating chin 140. Lever seating seat
150. Retaining groove 160. Support jaw
200. Rotation shaft 210. Mounting projection
220. Inclined expansion stages 230, 240. Seal member
250. Bypass hole 261. First horizontal guide hole
262. First vertical guide hole 263. Second vertical guide hole
264. Second horizontal guide hole 270. Stopper projection
280,290. Auxiliary sealing member 300. Fixing cap
310. Restriction projection 320. Locking projection
330. Hanging chin

Claims (5)

And the upper end of the water filter is accommodated in the bottom portion of the water filter. In addition, an inlet pipe through which the raw water flows into the both sides and an outlet through which the purified water from the bypassed raw water or the filter is discharged A head body on which a tube is protruded;
The water filter is rotated in the head body by the left and right rotations of the water filter in a state where the upper end portion of the water filter is coupled with the water filter installed vertically across the inlet pipe and the outlet pipe in the head body, A rotary shaft having a bypass hole for directly guiding the raw water flowing into the inlet pipe of the body to the outlet pipe and a guide hole for guiding the raw water flowing into the inlet pipe of the head body into the water filter;
And a fixing cap which is installed to cover an open upper surface of the head body and has a limiting protrusion formed to restrict a rotation angle of the rotating shaft. The method according to claim 1,
A seating surface protruding from the inner peripheral surface of the head body,
A seating projection projecting from the seating jaw is formed on the circumferential surface of the rotating shaft,
Wherein a ring-shaped seed part material is provided at a part of the circumferential surface of the rotating shaft between the seating protrusion and the seating jaw. The method according to claim 1,
Wherein an inclined seating end is formed at an upper end inner circumferential surface of the head body so as to be extended toward an upper portion thereof,
Wherein an upper end of the rotary shaft has an inclined expansion end formed on an outer circumferential surface of the rotary shaft so as to be seated on an inclined installation end of the head body. The method according to claim 1,
Wherein a detent projection is formed on an upper surface of the rotating shaft so as to protrude from the rotating shaft when the rotating shaft is rotated. The method according to claim 1,
The guide shaft of the rotating shaft
A first horizontal guide hole formed to penetrate from one circumferential surface of the rotating shaft to the radial direction and to introduce raw water into the inlet pipe and flow in a horizontal direction;
A first vertical guide hole formed vertically through an end of the first horizontal guide hole to guide the flow of raw water into an inner space of the water filter,
A second vertical guide hole for guiding the flow of purified water in the inner space of the water filter,
And a second horizontal guide hole formed in a horizontal direction from an upper end of the second vertical guide hole toward a portion where the takeout pipe is formed.

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