JP5702496B1 - Water purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a water purifier capable of easily exchanging a cartridge by a user's own hand. A cartridge insertion portion 11 into which a lower portion of a cartridge 6 is inserted is provided on an upper portion of a base member 5 of a central water purifier 1. A locking portion 12 is provided on the outer peripheral surface of the lower portion of the cartridge 6, and a locked portion 13 that is locked by the locking portion 12 is provided on the inner peripheral surface of the cartridge insertion portion 11. The notched portion 14 is provided in the locked portion 13. When the cartridge 6 is inserted into the cartridge insertion portion 11, the locking portion 12 passes through the notch portion 14. When the cartridge 6 is rotated relative to the cartridge insertion portion 11 by rotating the handle 7 attached to the cartridge 6 after the cartridge 6 is inserted, the locking portion 12 is locked to the locked portion 13. [Selection] Figure 3

Description

  The present invention relates to a central type water purifier that supplies purified water to the entire home.

  In recent years, the taste as drinking water has decreased due to the sterilization treatment of tap water. In addition, demand for the installation of central water purifiers (central water purifiers) that supply purified water to the entire household is increasing due to sanitary aspects and the relaxation of regulations on the installation of household premises.

  By the way, such a central water purifier has a cartridge filled with a filter medium, and this cartridge needs to be replaced every elapse of a predetermined use period (for example, every year). Conventionally, when exchanging the cartridge, a contractor has been to the user to perform the cartridge exchanging work.

JP 2004-33865 A

  In recent years, with the widespread use of central water purifiers, there has been an increasing demand for replacement of cartridges by the user's own hands, instead of replacement of cartridges by contractors as in the past. However, in the conventional central water purifier, since the cartridge replacement procedure is complicated and requires work requiring skill, it is extremely difficult to replace the cartridge by the user's own hand.

  This invention is made | formed in view of said subject, and it aims at providing the water purifier which can replace | exchange a cartridge easily by a user's own hand.

  The water purifier of the present invention is a central type water purifier comprising a base member, a cylindrical cartridge that is detachably attached to the base member, and a handle that is detachably attached to the cartridge. Is provided with a cartridge insertion portion into which the lower portion of the cartridge is inserted, a locking portion is provided on the outer peripheral surface of the lower portion of the cartridge, and a locking portion is locked on the inner peripheral surface of the cartridge insertion portion. A locked portion is provided, and the notched portion is provided in the locked portion. When the cartridge is inserted into the cartridge insertion portion, the locking portion passes through the notched portion, and after the cartridge is inserted, the cartridge When the cartridge is rotated with respect to the cartridge insertion portion by rotating the handle attached to the cartridge, the locking portion is locked to the locked portion.

  With this configuration, when the cartridge is inserted into the cartridge insertion portion, the locking portion passes through the notch portion, and after the cartridge is inserted, the handle attached to the cartridge is rotated, whereby the cartridge is moved relative to the cartridge insertion portion. Can be rotated. When the cartridge is rotated with respect to the cartridge insertion portion, the locking portion is locked to the locked portion. In this way, the cartridge can be easily rotated using the handle, and the cartridge can be easily replaced by the user's own hand.

  In the water purifier of the present invention, a handle mounting portion to which a handle is mounted is provided at the upper portion of the cartridge, a second locking portion is provided at the lower portion of the handle, and an upper portion of the handle mounting portion is A second locked portion that is locked by the second locking portion is provided, and the second locked portion is provided with a second notch portion, and when the handle is mounted on the handle mounting portion, the second locked portion is provided. Even if the locking part passes through the second notch part and the handle is rotated after the handle is mounted, the second locking part is locked to the second locked part and the cartridge rotates. Good.

  With this configuration, when the handle is mounted on the handle mounting portion, the second locking portion passes through the second notch, and after the handle is mounted, when the handle is rotated with respect to the cartridge, the second locking portion is The cartridge can be rotated while being locked to the second locked portion. In this way, the cartridge can be easily rotated using the handle.

  Moreover, in the water purifier of this invention, after rotation of a cartridge, a lock plate member may be inserted in a notch part and a cartridge may be fixed so that rotation is impossible.

  With this configuration, when the lock plate member is inserted into the notch after the rotation of the cartridge, the cartridge is fixed so as not to rotate. In this way, the cartridge can be easily fixed using the lock plate member.

  In the water purifier of the present invention, the cartridge may be made of resin.

  With this configuration, the weight of the cartridge can be reduced as compared with a metal cartridge, and the cartridge can be easily replaced by the user's own hand.

  Further, in the water purifier of the present invention, the base member is connected to an inflow pipe into which water before treatment flows and an outflow pipe from which water after treatment flows out. A drain valve may be provided for releasing the internal pressure after stopping the inflow from the inflow piping.

  With this configuration, when replacing the cartridge, the drain valve can be opened to release the internal pressure after the inflow from the inflow piping is stopped. In this way, safety when replacing the cartridge can be ensured.

  According to the present invention, the cartridge can be easily replaced by the user's own hand.

It is a perspective view of the water purifier (state which attached the cover) in an embodiment of the invention. It is a perspective view of the water purifier (state which removed the cover) in an embodiment of the invention. It is a disassembled perspective view of the water purifier in embodiment of this invention. It is a sectional side view of the water purifier in embodiment of this invention. It is explanatory drawing of the attachment procedure of the cartridge in embodiment of this invention. It is explanatory drawing of the attachment procedure of the cartridge in embodiment of this invention. It is explanatory drawing of the attachment procedure of the cartridge in embodiment of this invention. It is explanatory drawing of the removal procedure of the cartridge in embodiment of this invention. It is explanatory drawing of the removal procedure of the cartridge in embodiment of this invention. It is explanatory drawing of the removal procedure of the cartridge in embodiment of this invention.

  Hereinafter, the water purifier of embodiment of this invention is demonstrated using drawing. In this Embodiment, the case of the central type water purifier which supplies purified water to the whole household is illustrated. The central water purifier is installed at, for example, a front door or a garden.

  The structure of the water purifier of embodiment of this invention is demonstrated with reference to drawings. 1-4 is a figure for demonstrating the structure of the water purifier of this Embodiment. As shown in FIGS. 1 and 2, the water purifier 1 has a main body 2 and a cover 3 that covers the main body 2. The cover 3 has a substantially cylindrical shape with an opening at the bottom, and a grip portion 4 is provided at the top of the cover 3. The user can attach / remove the cover 3 by grasping the grip portion 4 by hand.

  As shown in FIGS. 2 and 3, the main body 2 of the water purifier 1 includes a base member 5 and a cylindrical cartridge 6 that is detachably attached to the base member 5. A handle 7 is detachably attached to the cartridge 6. The user can attach / remove the cartridge 6 by grasping the handle 7 by hand.

  An inflow pipe 8 into which water before treatment flows and an outflow pipe 9 from which water after treatment flows out are connected to the side of the base member 5. The outflow pipe 9 is provided with a drain valve 10. With this drain valve 10, the internal pressure can be released when the cartridge 6 is replaced (after the inflow of water from the inflow pipe 8 is stopped). A cartridge insertion portion 11 is provided on the upper portion of the base member 5. The lower part of the cartridge 6 is inserted into the cartridge insertion portion 11.

  On the outer peripheral surface of the lower part of the cartridge 6, a plurality of (for example, four) locking portions 12 are provided so as to protrude. On the inner peripheral surface of the cartridge insertion portion 11, an annular locked portion 13 is provided so as to protrude. The locked portion 13 is provided with a plurality of (for example, four) cutout portions 14. The cutout portion 14 is set to a size that allows the locking portion 12 to pass through. After the cartridge 6 is inserted into the cartridge insertion portion 11, when the cartridge 6 is rotated relative to the cartridge insertion portion 11, the locking portion 12 is locked to the locked portion 13 (see FIG. 4). Further, the water purifier 1 includes a lock plate member 15. When the lock plate member 15 is inserted into the notch 14 after the cartridge 6 is rotated, the cartridge 6 is fixed so as not to rotate.

  A filter medium (not shown) is provided inside the cartridge 6. The filter medium is made of activated carbon, for example, and can remove excess chlorine, dust, iron rust, and the like contained in tap water (water before treatment).

  As shown in FIGS. 3 and 4, a handle mounting portion 16 to which the handle 7 is mounted is provided on the upper portion of the cartridge 6. A handle portion 17 is provided on the upper portion of the handle 7. The handle portion 17 is substantially U-shaped when viewed from the side. The user can rotate the handle 7 by grasping the handle portion 17 by hand. A pair of second locking portions 18 project from the lower portion of the handle 7. The second locking portion 18 is provided so as to protrude downward from the lower surface of the handle 7. The 2nd latching | locking part 18 is bent toward the outer peripheral side, and is made into the substantially L shape by the side view (refer FIG. 4). The handle mounting portion 16 is provided with an annular second locked portion 19. The second locked portion 19 is provided with a plurality of (for example, four) second notches 20. The 2nd notch part 20 is set to the magnitude | size which the 2nd latching | locking part 18 can pass.

  When the handle 7 is rotated clockwise (clockwise) with respect to the cartridge 6 after the second locking portion 18 of the handle 7 has passed through the second notch portion 20, the second locking portion 18 becomes the second. The cartridge 6 can be locked to a wall portion (not shown) inside the locked portion 19 and the cartridge 6 can be rotated clockwise (clockwise) (see FIG. 4). When the handle 7 is rotated counterclockwise (counterclockwise) with respect to the cartridge 6 after the second locking portion 18 of the handle 7 has passed through the second notch portion 20, the second locking portion 18 is obtained. Is locked to the other wall portion (not shown) inside the second locked portion 19, and the cartridge 6 can be rotated counterclockwise (counterclockwise).

  When the cartridge 6 is not used (for example, when it is absent for a long period of time), the bypass cover 21 is attached to the base member 5 instead of the cartridge 6 (see FIG. 3). In the state where the bypass cover 21 is attached, the tap water flowing in from the inflow pipe 8 flows out from the outflow pipe 9 as it is (without removing excess chlorine, dust, iron rust, etc.). A handle mounting portion 16 similar to that of the cartridge 6 is also provided on the upper portion of the bypass cover 21 so that it can be attached / detached using the handle 7.

  In the present embodiment, the cover 3 and the cartridge 6 are made of resin. As the resin, for example, polyvinylidene fluoride (PVDF), styrene terpolymer (ABS resin, AES resin, AAS resin, ACS resin) or the like is used.

  About the procedure of attachment / detachment of the cartridge 6 of the water purifier 1 comprised as mentioned above, the operation | movement is demonstrated with reference to drawings.

  5-7 is explanatory drawing of the procedure which attaches the cartridge 6 in the water purifier 1 of this Embodiment. When attaching the cartridge 6, first, as shown in FIG. 5, the cartridge 6 is inserted into the base. Next, as shown in FIG. 6, the handle 7 is mounted on the handle mounting portion 16 of the cartridge 6, and the handle 7 is rotated clockwise (clockwise).

  When the handle 7 is mounted on the handle mounting portion 16 of the cartridge 6, the second locking portion 18 passes through the second notch portion 20. When the handle 7 is rotated clockwise (clockwise) with respect to the cartridge 6, the second locking portion 18 is locked to the wall portion of the second locked portion 19, and the cartridge 6 is rotated clockwise ( Rotate clockwise. Thus, when the cartridge 6 is rotated clockwise (clockwise), the locking portion 12 of the cartridge 6 is locked to the locked portion 13. Thereafter, as shown in FIG. 7, when the lock plate member 15 is inserted into the notch portion 14, the cartridge 6 is fixed so as not to rotate. Although FIG. 7 illustrates the case where one lock plate member 15 is inserted and the cartridge 6 is fixed, a plurality of lock plate members 15 may be inserted and the cartridge 6 may be fixed. Thus, when the attachment of the cartridge 6 is completed, the cover 3 is attached from the upper side of the main body 2 of the water purifier 1 and the valves of the inflow pipe 8 and the outflow pipe 9 are opened.

  8-10 is explanatory drawing of the procedure which removes the cartridge 6 in the water purifier 1 of this Embodiment. Before removing the cartridge 6, first, the valves of the inflow pipe 8 and the outflow pipe 9 are closed to stop the inflow from the inflow pipe 8 and the outflow from the outflow pipe 9. Thereafter, the drain valve 10 is opened to release the internal pressure. And the cover 3 of the water purifier 1 is removed and the main body 2 is exposed.

  Next, as shown in FIG. 8, the lock plate member 15 is pulled out from the notch portion 14. As a result, the cartridge 6 can rotate counterclockwise (counterclockwise). Then, the handle 7 is mounted on the handle mounting portion 16 of the cartridge 6, and the handle 7 is rotated counterclockwise (counterclockwise) as shown in FIG. When the handle 7 is mounted on the handle mounting portion 16 of the cartridge 6, the second locking portion 18 passes through the second notch portion 20. When the handle 7 is rotated counterclockwise (counterclockwise) with respect to the cartridge 6, the second locking portion 18 is locked to the other wall portion of the second locked portion 19, and the cartridge 6 Rotates counterclockwise (counterclockwise). In this way, when the cartridge 6 is rotated counterclockwise (counterclockwise), the engaging portion 12 of the cartridge 6 is exposed from the notch portion 14. Then, as shown in FIG. 10, the cartridge 6 is pulled out from the base. In this way, the removal of the cartridge 6 is completed.

  According to such a water purifier 1 of the present embodiment, when the cartridge 6 is inserted into the cartridge insertion portion 11, the locking portion 12 passes through the notch portion 14, and after the cartridge 6 is inserted, The cartridge 6 can be rotated with respect to the cartridge insertion portion 11 by rotating the attached handle 7. When the cartridge 6 is rotated with respect to the cartridge insertion portion 11, the locking portion 12 is locked to the locked portion 13. In this way, the cartridge 6 can be easily rotated using the handle 7, and the cartridge 6 can be easily replaced by the user's own hand.

  Further, in the present embodiment, when the handle 7 is mounted on the handle mounting portion 16, the second locking portion 18 passes through the second notch portion 20, and after the handle 7 is mounted, the handle 7 is attached to the cartridge 6. When rotated, the second locking portion 18 is locked to the second locked portion 19 and the cartridge 6 can be rotated. In this way, the cartridge 6 can be easily rotated using the handle 7.

  In the present embodiment, when the lock plate member 15 is inserted into the notch 14 after the cartridge 6 is rotated, the cartridge 6 is fixed so as not to rotate. In this way, the cartridge 6 can be easily fixed using the lock plate member 15.

  In the present embodiment, since the cartridge 6 is made of resin, the weight of the cartridge 6 can be reduced compared to a metal cartridge, and the cartridge 6 can be easily replaced by the user's own hand. become.

  Further, in the present embodiment, when the cartridge 6 is replaced, after the inflow from the inflow pipe 8 is stopped, the drain valve 10 can be opened to release the internal pressure. In this way, safety when replacing the cartridge 6 can be ensured.

  The embodiments of the present invention have been described above by way of example, but the scope of the present invention is not limited to these embodiments, and can be changed or modified according to the purpose within the scope of the claims. is there.

  As described above, the water purifier according to the present invention has an effect that the cartridge can be easily replaced by the user's own hand, and is useful as a central type water purifier for supplying purified water to the entire home. It is.

DESCRIPTION OF SYMBOLS 1 Water purifier 2 Main body 3 Cover 4 Gripping part 5 Base member 6 Cartridge 7 Handle 8 Inflow piping 9 Outflow piping 10 Drain valve 11 Cartridge insertion part 12 Locking part 13 Locked part 14 Notch part 15 Lock plate member 16 Handle attachment Part 17 Handle part 18 Second locking part 19 Second locked part 20 Second notch part 21 Bypass cover

Claims (4)

A central water purifier comprising a base member, a cylindrical cartridge that is detachably attached to the base member, and a handle that is detachably attached to the cartridge,
In the upper part of the base member, a cartridge insertion part into which the lower part of the cartridge is inserted is provided,
A locking portion is provided on the outer peripheral surface of the lower portion of the cartridge,
On the inner peripheral surface of the cartridge insertion portion, a locked portion to be locked by the locking portion is provided,
The locked portion is provided with a notch,
When the cartridge is inserted into the cartridge insertion portion, the locking portion passes through the notch portion, and after the cartridge is inserted, the handle attached to the cartridge is rotated to rotate the handle. When rotating with respect to the insertion part, the locking part is locked to the locked part ,
A handle mounting portion to which the handle is mounted is provided on the top of the cartridge,
A second locking portion is provided at the bottom of the handle,
On the upper portion of the handle mounting portion, a second locked portion that is locked by the second locking portion is provided,
The second locked portion is provided with a second notch,
When the handle is attached to the handle attachment portion, the second locking portion passes through the second notch, and after the handle is attached, the handle is rotated with respect to the cartridge. The water purifier is characterized in that the cartridge is rotated by the locking portion being locked to the second locked portion . The water purifier according to claim 1, wherein after the cartridge is rotated, a lock plate member is inserted into the notch and the cartridge is fixed so as not to rotate. The water purifier according to claim 1 or 2 , wherein the cartridge is made of resin. The base member is connected to an inflow pipe into which water before treatment flows and an outflow pipe from which water after treatment flows out,
Wherein the outflow pipe, when replacing the cartridge, after the inflow stops from the inlet pipe, the water discharge valve for venting the pressure inside is provided, according to any one of claims 1 to 3 Water purifier.

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