JP2015096244A - Mounting structure of under-sink type water purifier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of an under-sink type water purifier, which can allow a filter cartridge to be mounted/removed while avoiding a decorative board of a housing cabinet when the under-sink type water purifier is installed in the housing cabinet of a pull-out type sink.SOLUTION: An exterior part 19 is fixed on the inside surface of a side board 8 of a housing cabinet. An interior part 22 is mounted in the exterior part to be raised/lowered freely. A case 18 for housing a filter cartridge 16 is attached to the interior part. A plurality of ratchet teeth 21 are formed on a side board 19b of the exterior part. A ratchet 23 to be engaged with the ratchet teeth and a disengagement member 24 for disengaging the ratchet from the ratchet teeth are arranged on a side board 22a of the interior part.

Description

  The present invention relates to a mounting structure for attaching an undersink type water purifier in a storage cabinet below a sink.

  In recent years, sinks with a storage cabinet constructed as a drawer type have gained popularity. Patent documents 1 and 2 are publicly known as mounting structures for attaching an undersink type water purifier to this drawer type storage cabinet.

  In Patent Document 1, the water purifier is disposed in the back of the storage cabinet (between the rear plate of the storage cabinet and the drawer), and the water purifier is taken out in conjunction with the drawer when replacing the filtration cartridge.

  In Patent Document 2, the water purifier is arranged in a dead space beside the sink in the storage cabinet, that is, in a space between the sink and the side plate in the storage cabinet. Here, the filtration cartridge is housed in a semi-cylindrical tray, and is suspended from a fixture on the lower surface of the top plate via a suspension band.

JP 2006-122899 A JP 2006-169784 A

  However, Patent Documents 1 and 2 have the following problems although the undersink type water purifier is attached to a drawer type sink.

  That is, according to Patent Document 1, since the water purifier is arranged between the rear plate of the storage cabinet and the drawer, the drawer must be shorter than the depth of the storage cabinet, and the storage space may be narrowed. .

  Then, like patent document 2, although the attachment structure which attaches an undersink type water purifier to the said dead space is proposed, in order to attach a filtration cartridge, the band for suspension is used for a top plate using a volt | bolt and a nut. Must be fixed to the fixture.

  However, since the storage cabinet is provided with a decorative plate (pad plate) at the front position corresponding to the part of the sink, it is not easy to fix the hanging band to the fixing bracket, and it is difficult to attach the filtration cartridge. There is a case.

  In particular, when exchanging the filtration cartridge, it is necessary to release the fixation of the hanging band to the fixing bracket, remove the filtration cartridge, and attach the exchanged filtration cartridge, which may increase the difficulty of work.

  It is an object of the present invention to provide an attachment structure in which a filter cartridge can be attached and detached while avoiding a decorative plate of a storage cabinet when an undersink type water purifier is installed in a storage cabinet of a drawer type sink. It is said.

  The present invention is an attachment structure for attaching an undersink type water purifier to a storage cabinet that forms the lower part of a sink, and is provided with a cartridge mounting member that can be raised and lowered on the inner surface of the storage cabinet, while the filtration cartridge of the water purifier is attached to the storage cabinet. It is characterized by being attached to a member.

  The attachment member may include an elevating mechanism fixed to the inner surface of the storage cabinet and a case attached to the elevating mechanism, and the filtration cartridge may be accommodated and attached in the case.

  The elevating mechanism may include an exterior part fixed to the inner surface of the storage cabinet, and an interior part accommodated in the exterior part and attached to the case. In this case, it is preferable that a plurality of engagement teeth are formed on the inner surface of the exterior portion along the vertical direction, while an engagement portion that can be engaged with the engagement teeth is provided on the outer surface of the interior portion. Thus, when the case is lifted, the engaging portion can be engaged with the upper engaging teeth.

  The engaging portion may be provided on the outer surface of the interior portion so as to be rotatable, and release means for releasing the engagement with each engaging tooth by rotating the engaging portion in one direction. At this time, the engagement portion may be rotated in one direction by pulling the release means.

  ADVANTAGE OF THE INVENTION According to this invention, when installing an undersink type water purifier in the storage cabinet of a drawer-type sink, a filter cartridge can be attached and detached while avoiding the decorative plate of the storage cabinet.

The perspective view which shows an example of the sink with which the attachment structure of the undersink type water purifier which concerns on embodiment of this invention is applied. AA longitudinal cross-sectional view of FIG. The perspective view of an attachment member. (A) is a partial longitudinal sectional view showing a state in which the interior portion is lifted and the ratchet is lifted from the horizontal surface of the ratchet teeth. (B) is a lowering of the interior portion after pulling the release member and rotating the ratchet in the arrow S direction. The partial longitudinal cross-sectional view which shows the state made to do. The perspective view which shows the state which accommodates a filtration cartridge in a case. (A) is a perspective view of a cartridge connecting portion, (b) is a longitudinal sectional view thereof, (c) is a perspective view of a cartridge side connecting portion, and (d) is a longitudinal sectional view thereof. (A) is a longitudinal cross-sectional view which shows the state before the connection to the cartridge connection part of a filtration cartridge, (b) is a longitudinal cross-sectional view which shows the state after the connection to the cartridge connection part of a filtration cartridge.

  Hereinafter, the attachment structure of the undersink type water purifier which concerns on embodiment of this invention is demonstrated. This undersink type water purifier is attached to the lower part of the sink of the sink, that is, the storage cabinet.

<< sink >>
An example of the sink which attaches the said water purifier based on FIG. 1 is demonstrated. The sink 1 is composed of a storage cabinet 2 whose storage space is a drawer type. Here, 3a and 3b in FIG. 1 indicate drawers, 4a and 4b indicate handles of the drawers 3a and 3b, 5 indicates a top plate portion of the storage cabinet 2, 6 indicates a sink of the sink 1, and 7 indicates A decorative plate (pad) at the front position corresponding to the site of the sink 6 is shown, and reference numerals 8 and 40 denote side plates of the storage cabinet 2.

  A faucet 11 is provided on the top plate portion 5 of the sink 1. The faucet 11 includes an operation lever 12, a switching lever 13, and a faucet 14. When the switching lever 13 is set to the “raw water” position, the raw water sent from the water pipe (not shown) by the operation of the operation lever 12 is discharged from the faucet 14. On the other hand, if the switching lever 13 is set to the “purified water” position, the raw water sent from the water pipe is filtered through the raw water inlet pipe (not shown) to be purified by the water purifier, and the purified water derivation (not shown) is drawn. It is discharged from the faucet 14 through the pipe. The water purifier is disposed in a dead space T beside the sink 6 in the storage cabinet 2, that is, in a space between the sink 6 and the side plate 8 in the storage cabinet 2.

≪Mounting structure of the water purifier≫
The water purifier mounting structure will be described with reference to FIGS. Here, the water purifier 15 is mainly composed of a cylindrical filtration cartridge 16 that filters the raw water sent from the raw water introduction pipe to purify it.

  As shown in FIG. 2, the filtration cartridge 16 is attached to a cartridge attachment member 10 fixed to the inner surface of the side plate 8 of the dead space T so as to be movable up and down. Specifically, the attachment member 10 includes an elevating mechanism 17 that is fixed to the inner surface of the side plate 8, and a case 18 that is attached to the elevating mechanism 17 and accommodates the filtration cartridge 16.

(1) Elevating mechanism 17
As shown in FIG. 2 and FIG. 3, the elevating mechanism 17 is configured by accommodating an interior portion 22 in an exterior portion 19 so as to be movable up and down. The exterior portion 19 is formed in a U-shaped cross section, and includes a bottom plate 19a, left and right side plates 19b erected on the bottom plate 19a, and holding pieces 19c bent inwardly from the side plates 19b. ing.

  The bottom plate 19a is fixed to the inner surface of the side plate 8 by fixing means such as screwing or adhesion, and the interior portion 22 is prevented from coming off by the holding piece 19c. In addition, a plurality of ratchet teeth 21 formed in a triangular shape with a vertical cross section are formed at equal intervals on the inner surface of the substantially central portion of each side plate 19b (the ratchet teeth 21 are formed on the inner surfaces of both side portions of each side plate 8). Is not formed.)

  The interior portion 22 is formed in a U-shaped cross section, and is a blocking plate that closes between the left and right side plates 22a erected on both ends of the bottom plate 22c and one end side (the P-side end portion) of the side plates 22a. 22b, a lower plate 22d connecting the other end surfaces (Q-side end surfaces) of both side plates 22a, and an outer surface on one end side (P-side end portion) of each side plate 22a and engaging with ratchet teeth 21 The case 18 is fixed to the outer surface of the closing plate 22b by a fixing means such as a screw. A release member 24 for releasing the engagement of the ratchet 23 is mounted in the interior portion 22 so as to be movable up and down from the opening U between the plates 22a, 22b and 22c.

  The ratchet 23 is formed in a V-shaped longitudinal section, and is pivotally supported by a shaft portion 23b between a pair of support plates 23a provided upright on the outer surface of the side plate 22a so as to be rotatable in the directions of arrows S and T. The ratchet 23 is biased by the winding spring 23 d of the shaft portion 23 b, and one end portion 23 e of the ratchet 23 is engaged with the horizontal surface 21 a of the ratchet teeth 21.

  Accordingly, the ratchet 23 is engaged with the ratchet teeth 21, and the interior portion 22 can be fixed to the exterior portion 19. Here, the solid line in FIG. 2 shows a state in which the ratchet 23 is engaged with the uppermost ratchet tooth 21, that is, a state in which the case 18 containing the filtration cartridge 16 is disposed in the dead space T.

  2 indicates a state in which the interior portion 20 is raised from the state in which the ratchet 23 is engaged with the lowermost ratchet tooth 21. The two-dot chain line in FIG. Here, the ratchet 23 rotates in the direction of arrow S along the inclined surface 21b of each upper ratchet tooth 21, and then rotates in the direction of arrow T by the urging force of the winding spring 23d. By repeating this operation, the ratchet 23 is engaged with the uppermost ratchet teeth 21, and the case 18 is disposed at the position of the solid line in FIG. 2.

  Although the release member 24 is omitted in FIG. 3, it is formed in a rectangular frame shape, a rectangular portion 25 is formed on the outer surface of the left and right side portions 24a, and the lower side portion 24b is a pair of coil springs. 26 (see FIG. 2).

  Here, when the lower plate 22c of the interior portion 22 is lifted, the ratchet 23 rises in the direction of arrow P as shown by a two-dot chain line in FIG. 4A, so that the one end portion 23e floats away from the horizontal surface 21a. If the lower side portion 24b of the release member 24 is pulled in this state, the side portions 24a descend, so that the rectangular portion 25 presses the ratchet 23 as shown in FIG. As a result, the ratchet 23 rotates in the direction of arrow S, the engagement of both 21 and 23 is released, and the interior portion 20 can be lowered in the direction of arrow Q.

  When the lower side portion 24b of the release member 24 is released after the interior portion 20 is lowered, the release member 24 returns to the original position by the bias of the coil spring 26. To turn. As a result, the one end portion 23e of the ratchet 23 can be engaged with the horizontal surface 21a of the lowermost ratchet tooth 21, and the ratchet 23 can be engaged with the lowermost ratchet tooth 21.

  In this case, it is preferable to provide a stopper for restricting the lowering of the interior portion 22 to a position where one end portion 23e of the ratchet 23 can engage with the horizontal surface 21a of the lowermost ratchet tooth 21. For example, the descent of the interior portion 20 can be regulated by forming a convex portion on the inner surface of the bottom plate 19 a of the exterior portion 19.

(2) Case 18
The case 18 is formed in a rectangular tube shape as shown in FIG. 5, and is rotatable between a pair of slits 18c formed along the longitudinal direction of the upper and lower plates 18a and 18b and one side end of both side plates 18f. A guide roll 18d that is pivotally supported and a stopper piece 18e formed by folding the other side end of the lower plate 18b are provided. A cartridge fixing portion 27 is provided in both slits 18c in the front-rear direction (X in FIG. 2). -Y direction) is slidably attached.

  The filtration cartridge 16 is fixed to the cartridge fixing portion 27, and the raw water introduction pipe and the purified water outlet pipe are connected to the filtration cartridge 16. Here, as shown in FIGS. 6A and 6B, the fixing portion 27 is formed in a U-shaped longitudinal section, and is connected to the purified water outlet pipe and a central purified water outlet 31, and an outer peripheral side of the purified water outlet 31. The raw water inlet 32 connected to the raw water introduction pipe, the female thread portion 33a provided around the inner periphery of the peripheral wall 33, the annular packing 33b fixed to the inner periphery of the upper end of the peripheral wall 33, and A pair of upper and lower mounting pins 30 (see FIG. 5 since the mounting pins 30 are omitted in FIG. 6) are provided in the slits 23 so that the fixing portions 27 are slidably mounted. The mounting pin 30 also serves to prevent the looseness of the attachment of the filtration cartridge 16 by maintaining the posture of the fixing portion 27 against the twist of the raw water introduction pipe and the purified water outlet pipe due to water pressure.

  On the other hand, the filtration cartridge 16 is configured by filling the housing 34 in FIG. 7 with a filter medium 35 such as granular activated carbon or fibrous activated carbon, and is fixed to the cartridge side screwed to the fixing portion 27 at one end of the housing 34. It has a portion 34a. As shown in FIGS. 6C and 6D, the fixing portion 34a includes a cartridge-side water purification outlet 36 that communicates with the water purification outlet 31 by inserting the joint 36a, a packing 37 that is fixed to the outer periphery of the joint 36a, and raw water. A plurality of cartridge-side raw water inlets 37a for introducing raw water from the inlet 32 and a male screw part 34b screwed into the male screw part 33a are provided.

  Then, as shown in FIG. 7 (a), when the filtration cartridge 16 is rotated in one direction with the joint 36a facing the purified water outlet 31, as shown in FIG. 7 (b), the male screw portion 34b becomes the female screw. Screwed into the portion 33a. As a result, the filtration cartridge 16 is attached to the fixing portion 27 and accommodated in the case 18. At the same time, a joint 36a is inserted into the purified water outlet 31 and the purified water outlet pipe is connected to the purified water outlet 31, while the raw water inlet pipe is connected to the raw water inlet 37a and the raw water inlet 37a is connected to the raw water inlet 37a from the raw water inlet 32. Raw water can be introduced.

  The case 18 in which the filtration cartridge 16 is accommodated can be placed in the dead space T by the lifting mechanism 17. In this case, the interior portion 22 is lowered in advance to the position of the two-dot chain line in FIG. 2 and then the ratchet 23 is engaged with the lowermost ratchet teeth 21 and the case 18 is disposed below the dead space T. .

  In this state, the filtration cartridge 16 is rotated in one direction so that both screw portions 33 a and 34 b are screwed together, and are attached to the fixing portion 27 and accommodated in the case 18. When the case 18 is lifted after the filtration cartridge 16 is accommodated, the ratchet 23 repeats the rotation in the direction of the arrow S and the direction of the arrow T, and the interior portion 22 rises to the position of the solid line in FIG. To do.

  At this time, since the ratchet 23 rotates in the direction of arrow T, one end portion 23e of the ratchet 23 is engaged with the horizontal surface 21a of the uppermost ratchet tooth 21. Accordingly, the ratchet 23 is engaged with the uppermost ratchet teeth 21, and the interior portion 22 is locked to the exterior portion 19. As a result, the case 18 containing the filtration cartridge 16 is disposed in the dead space T, and the space in the storage cabinet 2 can be used effectively.

  As a result, according to the mounting structure of the present embodiment, it is only necessary to push up the case 18, so that the filtration cartridge 16 can be easily mounted in the dead space T without being obstructed by the decorative plate (pad plate) 7. Good installation workability.

  When the case 18 is lifted too much, the upper side 24c of the release member 24 hits the top plate 5, but is returned by the winding spring 26, so that the ratchet 23 is engaged with the horizontal surface 21a of the uppermost ratchet tooth 21. Can do. Further, the filtration cartridge 16 is regulated by the stopper piece 29, so that it is prevented from dropping off.

(3) Replacement procedure of the filtration cartridge 16 The replacement of the filtration cartridge 16 is performed by (A) removing the filtration cartridge 16 from the case 18 disposed in the dead space T, and (B) attaching a new filtration cartridge 16 to the case 18. The work to arrange in the dead space T is performed.

  Since this operation (B) is the same as described above, the description thereof will be omitted, and the removal operation (A) will be mainly described. In this operation (A), the case 18 is first pulled down to the position of the two-dot chain line in FIG. Specifically, the lower plate 22d of the interior portion 22 is lifted to lift one end portion 23e of the ratchet 23 from the horizontal surface 21a of the ratchet teeth 21, and then the lower side portion 24b of the release member 21 is pulled to ratchet 23 with respect to the uppermost ratchet teeth 21. Release the engagement.

  Next, after lowering the interior portion 20 in the direction of the arrow Q, the lower side 24b of the release member is released, and the ratchet 23 is engaged with the lowermost ratchet teeth 21. At this time, if there is the stopper, both the parts 21 and 23 can be easily engaged by simply lowering the interior portion 20 to the position of the stopper.

  As a result, the case 18 is fixed at a position corresponding to the lowermost ratchet tooth 21, that is, a position indicated by a two-dot chain line in FIG. 2. In this state, the filtration cartridge 16 may be rotated in the other direction to release the screwing of both screw portions 33a and 34b and be removed from the case 18. Therefore, according to the mounting structure of the present embodiment, the filtration cartridge 16 can be easily removed without the case 18 being obstructed by the decorative plate 7, and in this sense, the workability of the replacement operation of the filtration cartridge 16 is improved. Can be made.

  After the removal, the new filtration cartridge 16 is accommodated in the case 18 by the operation (B), and the case 18 accommodating the filtration cartridge 16 is disposed in the dead space T. In this operation (B), the filtration cartridge 16 can be easily attached to the dead space T without being obstructed by the decorative plate 7 as described above, so that the replacement operation is also facilitated in this respect.

  In addition, this invention is not limited to the said embodiment, It can change and implement within the range described in each claim. For example, the attachment member 10 can be attached not only to the side plates 8 and 40 of the storage cabinet 2 but also to the inner surface of the rear plate 41.

  In this case, since the filtration cartridge 16 is disposed in the dead space T, there is no possibility of reducing the storage space as in Patent Document 1, and it does not become an obstacle to taking in and out the drawers 3a and 3b.

DESCRIPTION OF SYMBOLS 1 ... Sink stand 2 ... Storage cabinet 15 ... Under-sink type water purifier 8, 40 ... Side plate 10 ... Mounting member 16 ... Filtration cartridge 17 ... Lifting mechanism 18 ... Case 19 ... Exterior part 21 ... Ratchet tooth (engaging tooth)
22 ... Interior part 23 ... Ratchet (engagement part)
24 ... Release member (release means)

Claims (5)

A mounting structure for attaching an undersink type water purifier to the storage cabinet that forms the lower part of the sink,
A mounting structure for an undersink type water purifier, wherein a cartridge mounting member that can be moved up and down is provided on an inner surface of a storage cabinet, and a filtration cartridge of the water purifier is mounted on the mounting member. The mounting member includes a lifting mechanism fixed to the inner surface of the storage cabinet, and a case attached to the lifting mechanism,
The attachment structure for an undersink type water purifier according to claim 1, wherein the filtration cartridge is housed and attached in the case. The elevating mechanism includes an exterior part fixed to the inner surface of the storage cabinet, and an interior part accommodated in the exterior part and attached to the case.
A plurality of engagement teeth are formed along the vertical direction on the inner surface of the exterior portion, while an engagement portion that can be engaged with the engagement teeth is provided on the outer surface of the interior portion,
The attachment structure of the undersink type water purifier according to claim 2, wherein when the case is lifted, the engaging portion engages with the upper engaging teeth. The engaging portion is rotatably provided on the outer surface of the interior portion,
The attachment structure for an undersink type water purifier according to claim 3, further comprising release means for rotating the engagement portion in one direction to release the engagement with each engagement tooth.   The attachment structure of the undersink type water purifier according to claim 4, wherein the engaging portion is rotated in one direction by pulling the release means.

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