JP3303499B2 - Faucet direct connection type water purifier - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge and a main body which are used in a faucet direct connection type water purifier, and a water purifier in which these are detachably connected integrally. Also, the present invention relates to a faucet direct-connection type water purifier in which the number of components is small and the whole apparatus is space-saving.

[0002]

2. Description of the Related Art As a conventional water tap directly connected to a faucet, for example, the one disclosed in Japanese Utility Model Laid-Open Publication No. 3-56696 shown in FIG. 9 is known.

[0003] As shown in the figure, this water purifier has a filtration unit 2 having a cartridge 1 filled with a filtering agent such as activated carbon.
And a faucet unit 3. The faucet unit 3 is directly connected to a tap 4 of a tap, and the flow path in the faucet unit is directed to the filtration unit 2 direction or the raw water supply port 5 direction below the faucet unit. By switching to any of these, the raw water is taken out from the filtered water supply port 6 as purified water, or the raw water is taken out from the raw water supply port 7 as it is as shower water. That is, it is rotatably connected to the faucet unit 3 by at least about 90 degrees.

[0004]

However, in the above-mentioned conventional water purifier, since the number of parts constituting the water purifier is generally two, that is, the filtration unit 2 and the faucet unit 3, the whole water purifier is space-saving. However, there were the following disadvantages.

[0005] As shown in FIG.
After the cartridge 1 and the cartridge are connected to the flow path 7, the cylindrical cover 8 is fixed to the flow path by screws, so that not only the number of components is large but also the replacement of the cartridge 1. In this case, since the cover 8 must be loosened and removed one by one from the flow path portion 7 and the new cartridge must be fixed to the flow path portion 7 after the new cartridge is connected to the flow path portion 7, the replacement work is troublesome.

[0006] Since the filtering unit 2 freely rotates at least about 90 degrees with respect to the faucet unit 3, it is difficult to fix the filtering unit 3 at an arbitrary rotation angle without water leakage. No specific configuration for realizing the coupled state is disclosed.

Therefore, the conventional water purifier has two components, the filtration unit 2 and the faucet unit 3, but as a single unit on the user side, the flow path unit 7 and the cylindrical cover 8 are added. 5 points, which means that the volume of the whole water purifier increases and the manufacturing cost increases.

When the cartridge 1 is detached while the faucet unit 3 is switched to keep the flow path in the direction of the filtration unit 2, there is a danger that the raw water spouts to the upper side or the like, so that the surrounding area is flooded. It is.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a faucet direct-connection type water purifier having a small number of components and requiring no trouble in replacing the cartridge and the main body. In particular, by providing a detachable mechanism that can be easily attached and detached without water leakage between the cartridge and the main body, space saving and cost reduction are realized, and raw water flows vertically downward even when the cartridge is detached. It is an object of the present invention to provide a faucet direct-connection type water purifier that can be used.

[0010]

Means for Solving the Problems In order to solve the above-mentioned problems, a water purifier body directly connected to a faucet according to the present invention has the following configuration.

[0011] Sunawa Chi, body having a cartridge for filtering raw water, the takeout raw water to be connected to the cartridge on the side which has the lower raw water supply port raw water inlet at the top, is incorporated into the body A faucet direct connection type water purifier comprising: a switching valve for switching a flow path of raw water received from the raw water inlet; and a water purifier body provided at a raw water outlet of the body and having a bayonet mechanism for connecting to the cartridge. The water purifier is configured such that the cartridge is detachably mounted by the bayonet mechanism, and when the cartridge is rotated to separate from the water purifier main body, the cartridge is driven by the rotation of the cartridge. Wherein the switching valve is rotated to switch the flow path to the raw water supply port. A sintered-type water purifier.

Specifically, a container having a raw water receiving port on a side and a filtered water supply port at a lower portion, and the open ends of a plurality of hollow fibers housed in the container facing the filtered water supply port. Provided with a U-shaped hollow fiber bundle, and an activated carbon layer filled in the space between the container and the hollow fiber bundle, wherein the U-shaped hollow fiber bundle and the activated carbon layer are provided in the container. It is directly stored, and the raw water receiving port of the container is provided with a water purifier cartridge provided with a bayonet mechanism for connection to the water purifier main body, and also has a raw water inlet at an upper portion and a raw water supply port at a lower portion. body, wherein Setsu換Ba incorporated in the body switch the raw water flow path received from the raw water inlet Lube, and, provided on the raw water outlet of the body having an outlet preparative raw water to be connected to the cartridge side portion to The cart Bayonet mechanism for connecting with di
A water purifier having a water purifier directly connected to the water purifier, wherein the water purifier is detachably connected by the bayonet mechanism provided with the water purifier cartridge and the water purifier main body, respectively. the by the by rotating the water purifier cartridge when disengaging the cartridge from the water purifier body, a spool shaft that is built in the Setsu換Ba lube and linear with the rotation of the cartridge is rotated It is a faucet direct connection type water purifier characterized in that the flow path is switched to the raw water supply port side.

In this case, the bayonet mechanism includes a projection provided on one of the raw water outlet of the main body and the raw water receiving port of the cartridge, and a convex part provided on the raw water outlet of the main body and the raw water receiving port of the cartridge. Provided on the other side, is a detachable mechanism comprising a concave portion engaged with the convex portion, wherein the convex portion has a tapered screw having a predetermined winding length in the circumferential direction of the raw water outlet or raw water receiving port, and a stopper which stops in a state in which said body and said cartridge when rotated by a predetermined angle in the engaged state the cartridge to the body are in close contact in a liquid-tight state, the recess, taper thread of the protrusion It is preferable to have a notch portion into which the stopper and the stopper are inserted, and a female screw engaged with the tapered screw.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A water purifier main body, a water purifier cartridge, and a faucet direct connection type water purifier comprising the same according to the present invention will be specifically described below with reference to the drawings.

FIG. 1 is a vertical sectional view of a water purifier directly connected to a faucet according to the present invention, and FIG. 2 is a right side view of the water purifier of FIG. As shown in the figure, a faucet direct connection type water purifier 10 of the present invention is composed of a water purifier main body 11 and a water purifier cartridge 12, and is directly connected to the faucet 13 by a fixture 14 of the main body 11.

First, the water purifier body 11 has a faucet 1
A raw water inlet 15 for receiving raw water from 3, a raw water outlet 16 for supplying raw water received to the side to the water purifier cartridge 12, and a raw water supply port 17 and a shower supply port 17 at the bottom for taking out raw water as it is as shower water
a switch valve 19 for switching the flow path of the raw water to the raw water inlet 15 or the raw water supply port 17 is provided inside the body 18 having the a.
A fixing device 14 for connecting to the device 3 is provided. The fixing device 14 includes a ring-shaped rubber packing 20, a pressing ring 21, and a cap 22, as shown in the figure, and is connected in a state without water leakage by internal threads and external threads formed on the cap and the body, respectively. It is.

The switching valve 19 rotates the flow path engraved on the spool shaft 23 by a predetermined angle so as to rotate the raw water outlet 1.
6, to be engaged with the raw water supply port 17 or the shower supply port 17a, the right end 23a of the spool shaft 23 is
As shown in FIGS. 3 and 4, which will be described in detail later, a part is extended in the axial direction, inserted into the raw water receiving port 24 of the cartridge 12, and the projection 26 provided in the raw water receiving port 24.
a and overlap with each other in the axial direction.
Therefore, if the axis of the cartridge is rotated by a predetermined angle for replacement of the cartridge 12, the projection 26a and the right end 23a of the spool shaft are brought into contact and engaged with each other, so that the two rotate integrally as one. It has become.

Next, the water purifier cartridge 12 has a raw water receiving port 24 at a side portion, and a plurality of shower holes 25 at a lower portion.
(U-shaped hollow fiber bundle layer 28 in which the open ends of the plurality of hollow fibers 27 are provided facing the filtered water supply port 25, inside a container 26 having a (filtration water supply port), And an activated carbon layer 29 filled between the container 28 and the inner peripheral surface of the container 26. The hollow fiber bundle layer 28 has a cylindrical body 30 having openings at both ends.
Is potted with synthetic resin 31 so that only the open ends of the plurality of hollow fibers 27 bent into a U-shape are opened at the lower part of the hollow body 27, and the upper part of the cylindrical body 30 is fixed to the inner wall surface of the container by the filter 32. At the same time, a plurality of holes are concentrically provided so that the open end of the hollow fiber 27 faces the filtered water supply port 25, and is mounted inside the container via a filter 33 and an O-ring 34. In addition, a transparent lid 35 is provided on the upper portion of the container 26 so that the hollow fiber bundle layer 28 and the activated carbon layer 29 can be easily filled in the container, and the degree of contamination of the hollow fiber membrane can be easily seen from the outside. Transparent lid 35
An opaque double lid 36 is detachably mounted on the container. That is, the water purifier main body 12 is integrally formed of the above-described members. In use, the water purifier main body 12 is integrally connected to the water purifier main body 11 via a ring-shaped rubber packing 39 by a bayonet mechanism described below. Thus, a faucet direct-connection type water purifier 10 is formed.

The bayonet mechanism shown in FIGS. 3 and 4 includes a concave portion 37 formed inside the raw water outlet 16 of the main body 11 and a raw water receiving port 24 of the cartridge 12.
This is an attachment / detachment mechanism composed of a convex portion 38 formed outside, and the concave portion 37 and the convex portion 38 are engaged with each other. The positions where the concave portions 37 and the convex portions 38 are formed may be, of course, reversed from the above case. As shown in FIG. 4, a pair of the convex portions 38 are provided at opposed positions outside the raw water receiving port 24, and each convex portion 38 has a taper angle θ in the circumferential direction of the raw water receiving port 24, The taper screw 38a has a predetermined winding length and a stopper 38b connected to the taper screw 38a and extending in the screw axis direction. In this embodiment, the notch portion is a pair, but may be two or more. In this case, there is an effect that the rotation angle for fixing the cartridge 12 to the main body 11 is small. The recess 37 has a notch 37a having a notch length longer than the circumferential length L of the taper screw and the stopper.
And a female screw 37 having a predetermined length engaged with the tapered screw 38a.
b. In the case of this embodiment, the stopper 3
8b is provided at a position where the cartridge 12 stands upright as shown in FIG. 1 when the end of the female screw 37b of the main body abuts.

Therefore, the cartridge 12 is connected to the main body 11
As a first step, the cartridge 12 is leveled as shown in FIG.
1 into the notch 37a, and as a second step,
As shown in FIG. 6, the cartridge 12 is rotated 90 degrees clockwise. In the first step, the female screw 37b is
8 into the female screw groove 38c, and as the taper screw 38a and the female screw 37b mesh with each other, the cartridge 12
The whole moves in the direction of the main body 11, and stops at the position where the female screw 37b is in contact with the stopper 38b. That is,
In the water purifier 10 of the present embodiment, the cartridge 12 is
Therefore, when replacing the cartridge with a new cartridge, the cover 1 is not removed and the cartridge 1 is taken out as in the conventional product shown in FIG. It is mounted as one unit, and when the filtration life has expired, the entire cartridge is discarded.

In the water purifier 10 of the present embodiment configured as described above, as shown in FIGS. 3 and 4, it is assumed that the main body 11 and the cartridge 12 are connected at the positions shown in FIGS. The position of the switching valve 19 is at 12:00 when viewed from the right side of FIG. 3). First, when the switching valve 19 is rotated clockwise to the state of 3 o'clock, tap water flows in from the raw water inlet 15 and flows out from the raw water supply port 17 through the spool shaft 23 as straight water. Next, when the switching valve is rotated 90 degrees counterclockwise and returned to the state of 12:00 again, the raw water inlet 1
The raw water flowing from 5 is switched to shower water and flows out from the shower water supply port 17a. When the switching valve 19 is further turned 90 degrees counterclockwise to 9 o'clock, the flow path of the raw water is switched and reaches the raw water outlet 16. The raw water that has reached the raw water outlet 16 is transferred to the ring packing 3 by the bayonet mechanism.
Since they are in close contact with each other via 9, the parts do not leak outside. The raw water supplied to the raw water receiving port 24 of the cartridge passes through the filter 33 in the order of the activated carbon 29 and the hollow fiber bundle layer 28, is filtered here, and is taken out from the filtered water supply port 25 as purified water. This 9
In the state at the time, the right end 23a of the spool shaft 23 is
A part thereof is extended in the axial direction, is inserted into the raw water receiving port 24 of the cartridge, and is engaged with the projection 26a provided in the raw water receiving port 24 so as to overlap in the axial direction. If the axis of the cartridge is rotated clockwise by 90 degrees to the 3 o'clock position for replacement of the cartridge 12 from this position, the projection 26a and the right end 23a of the spool shaft are brought into contact with each other, and are engaged. Both rotate together as one. That is, the spool shaft 13 is automatically switched from the direction of the raw water outlet 16 to the raw water supply port 17 with the rotation of the cartridge, and the tap water does not spout from the raw water outlet 16 of the spool shaft during replacement of the cartridge. Since the water flows out from the vertical shower water supply port 17a as shower water, the surroundings are not flooded.

In this embodiment, the cartridge 12 stands upright when the water purifier is used as shown in FIG. 6. However, as shown in FIGS. 7 and 8, the filtered water supply port of FIG. The cartridge 25 may be in a horizontal state when the water purifier is used by setting the supply port 25a rotated by 90 degrees to 25.

[0023]

According to the first aspect of the present invention, the tap water purifier of the present invention employs a bayonet mechanism which can be integrally connected to the connecting means of the main body and the cartridge simply in two steps, so that there is no water leakage between the two. It can be easily and quickly combined in a state.

Further, even if allowed to leave the cartridge even in a state in purified water outflow from the body, because the switching valve incorporated in the present body is you work with cartridges, automatically the passage is closed, Raw water is sprayed from the raw water outlet, and the surrounding area is not flooded.

The faucet type water purifier according to claim 2 of the present invention, the cartridge, after binding to the channel portion of the cartridge as in the prior art products, unlike what further screwed a cylindrical cover Since the filter agent such as activated carbon or hollow fiber membrane is stored directly in the container, the number of components is reduced, and when replacing with a new cartridge, the entire cartridge is attached and detached, making the replacement work very easy. is there.

In the water purifier of the third aspect of the present invention, since the number of components of the cartridge is reduced as described above, space saving and cost reduction of the whole water purifier can be realized, and the water purifier can be combined with the main body. Since the bayonet mechanism having the above-described configuration is used for the connection, the two can be easily and quickly combined without any water leakage state.

[Brief description of the drawings]

FIG. 1 is a sectional view of an embodiment of a faucet direct connection type water purifier according to the present invention.

FIG. 2 is a right side view of the tap water purifier of FIG. 1;

FIG. 3 is a partial perspective view of a bayonet mechanism and a water leakage prevention mechanism used in the water purifier main body of FIG. 1;

FIG. 4 is a partial perspective view of a bayonet mechanism and a water leakage prevention mechanism used in the water purifier cartridge of FIG.

FIG. 5 is a front view showing the operation of the tap water purifier of FIG. 1;

FIG. 6 is a front view showing the operation of the tap water purifier of FIG. 1;

FIG. 7 is a plan view of a faucet direct-connection type water purifier according to the present invention in an embodiment different from the embodiment of the faucet direct-connection type water purifier of FIG. 1;

8 is a front view of the faucet direct-connection type water purifier of FIG. 7;

FIG. 9 is a schematic sectional view of a conventional faucet direct connection type water purifier.

[Description of Signs] 10 ... Faucet Directly Connected Type Water Purifier 11 ... Water Purifier Body 12 ... Water Purifier Cartridge 13 ... Faucet 15 ... Raw Water Inlet 16 ... Raw Water Outlet 17 ... Raw Water Supply Port 18 ... Body 23a Right end of spool shaft (water leakage prevention mechanism) 24 Raw water receiving port 25 Filtered water supply port 26 Container 26a Projection (water leakage prevention mechanism) 28 U-shaped hollow fiber Bundle 29: activated carbon layer 37: recess (bayonet mechanism) 38: projection (bayonet mechanism)

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) C02F 1/28

Claims (3)

(57) [Claims] 1. A cartridge having a raw water inlet, a raw water inlet at an upper portion, a raw water supply port at a lower portion, and a raw water outlet at a side portion for connecting to the cartridge, and a raw water inlet built in the body. And a switching valve for switching a flow path of raw water received from a water purifier, and a water purifier body provided at a raw water outlet of the body and having a bayonet mechanism for connecting to the cartridge. The water purifier is configured such that the cartridge is removably mounted by the bayonet mechanism, and when the cartridge is rotated to be separated from the water purifier main body, the water purifier is driven by the rotation of the cartridge. A tap valve directly connected to the raw water supply port, whereby a flow path is switched to the raw water supply port. vessel. 2. A container having a raw water receiving port on a side portion and a filtered water supply port at a lower portion, and an open end of a plurality of hollow fibers housed in the container is provided to face the filtered water supply port. U-shaped hollow fiber bundle, and an activated carbon layer filled in the space between the container and the hollow fiber bundle, wherein the U-shaped hollow fiber bundle and the activated carbon layer are directly stored in the container. Along with
A water purifier cartridge provided with a bayonet mechanism for connecting to the water purifier main body at the raw water inlet of the container; a raw water inlet at an upper portion, a raw water supply port at a lower portion, and a side portion connected to the cartridge; Having a raw water outlet, a switching valve built in the body for switching a flow path of raw water received from the raw water inlet, and a bayonet mechanism provided at the raw water outlet of the body for connecting to the cartridge. A water purifier body having
A water purifier directly connected to the faucet, wherein the water purifier is detachably connected by the bayonet mechanism provided with the water purifier cartridge and the water purifier main body, respectively. When the cartridge is disengaged from the water purifier main body, the spool shaft built in the switching valve is rotated directly by the rotation of the cartridge, so that the flow path is formed on the raw water supply port side. A tap-connected water purifier characterized by switching. 3. A bayonet mechanism comprising: a convex portion provided on one of a raw water outlet of the main body and a raw water receiving port of the cartridge; and the other of the raw water outlet of the main body and the raw water receiving port of the cartridge. Provided in the, a detachable mechanism comprising a concave portion engaging with the convex portion, the convex portion, a tapered screw having a predetermined winding length in the circumferential direction of the raw water outlet or raw water receiving port, A stopper that stops when the cartridge is engaged with the main body and rotated by a predetermined angle in a state in which the main body and the cartridge are in close contact with each other in a liquid-tight state; the concave portion includes a tapered screw of the convex portion; 3. The faucet direct connection type water purifier according to claim 1, further comprising a notch portion into which the stopper is inserted, and a female screw engaged with the tapered screw. 4.