JP4249987B2 - Water purifier - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a water purifier.
[0002]
[Prior art]
[Patent Document 1]
JP, 10-8514, A The present applicant has developed the water purifier used by attaching to the faucet etc. of a faucet (refer to the above-mentioned patent documents 1). This is provided with O-rings for valve body and water stop at both ends, and provided with a cylindrical valve shaft that slides on the valve seat member in the axial direction, and along with the axial movement of this valve shaft, It is configured to be able to switch between a state in which purified water is discharged through the container cartridge, a state in which direct water is discharged from the shower plate as raw water, and a state in which water is discharged from the shower plate as raw water, and a state in which direct water is discharged. And a spherical valve for alternately switching the state of discharging sprinkling water is held freely in the longitudinal intermediate portion of the valve shaft.
[0003]
[Problems to be solved by the invention]
However, there is a problem that the O-ring for the valve body and the water stop is deteriorated due to long-term use and the sealing performance is deteriorated.
[0004]
The present invention has been made in view of the above problems, and an object of the present invention is to provide a water purifier that has good sealing properties and is easy to use.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the water purifier of the present invention is a state in which direct water discharged from purified water purified from raw water is discharged, a state in which water is sprayed from the purified water, a state in which direct water is discharged as raw water, A water purifier configured to be able to switch to a state in which sprinkling water is discharged as it is, and on the upper surface on the upstream side of the valve seat member, a water purification chamber and a raw water chamber partitioned in a watertight state by an upper wall standing on the upper surface Provided on the lower surface of the downstream side of the valve seat member is provided with a water discharge outlet chamber and a direct discharge outlet chamber partitioned in a watertight state by a lower wall provided in a suspended state from the lower surface , and through the valve seat member The remaining part of each of the water purification chamber and the raw water chamber is located directly above the direct discharge water discharge chamber via the valve seat member so that a part of each of the water purification chamber and the raw water chamber is located immediately above the water sprinkling chamber. The lower wall is provided with respect to the upper wall so that Ri,
Furthermore, the valve seat member is connected to the first hole for communicating the water purification chamber and the direct discharge outlet chamber, the second hole for connecting the water purification chamber and the water discharge outlet chamber, and the raw water chamber and the direct discharge outlet chamber. Providing a third hole and a fourth hole for communicating the raw water chamber and the water sprinkling chamber;
A valve body is provided at a position corresponding to each hole so as to open and close the first hole, the second hole, the third hole, and the fourth hole, and a gear mechanism for driving these valve bodies in the opening and closing direction is provided. ,
Furthermore, the valve body has a closed portion for switching between an open state and a closed state at the upper portion, a piston portion that reciprocates in the up and down opening and closing directions at the lower portion, and the closed portion at the opening of the hole. While having an elastic body that closes the valve body by urging to the side, the piston portion has a flat lower surface,
Provide a switching operation piece for switching to each communication state,
Further, the gear mechanism has a gear that rotates in conjunction with the switching operation of the switching operation piece,
The gear has a protrusion formed to contact the flat lower surface of the piston portion of each valve body and push the piston portion upward to bring the valve body from a closed state to an open state. It is characterized by that.
[0006]
[0007]
In this invention, the positional relationship between the water purification chamber M, the raw water chamber N, the direct discharge water discharge chamber N ′, the water spray discharge chamber M ′, and the first to fourth holes 21 to 24 with respect to the valve seat member 13 is as follows.
[0008]
4 and 7, the valve seat member 13 is disc-shaped, and includes a first hole 21, a second hole 22, a third hole 23, and a fourth hole penetrating in the height direction (for example, the Z-axis direction). It has a hole 24 (for example, a round hole). Each round hole 21-24 is arrange | positioned at intervals of 90 degrees, for example, having a center on the same periphery.
[0009]
Further, on the upstream side of the valve seat member 13 (upward side of the Z axis), for example, a water purification chamber M and a raw water chamber N that are partitioned in a watertight state by an upper wall 14 provided along the Y axis direction are formed. Yes. For example, the positive direction side of the X axis is the raw water chamber N, and the negative direction side of the X axis is the water purification chamber M. The water purifier of the present invention is connected to the faucet of the faucet 5. When the faucet 5 is in a water discharge state, the water purifying chamber M and the raw water chamber N are configured so that the purified water and the raw water are always stored, respectively. ing. In FIG. 7, an arrow P indicates the flow of purified water that flows from the outlet of the water purification cartridge and is stored in the water purification chamber M, and an arrow Q flows from the faucet of the faucet 5 as raw water and is stored in the raw water chamber N. The flow of raw water.
[0010]
On the other hand, on the downstream side of the valve seat member 13 (downward side of the Z axis), for example, a water spray outlet chamber M ′ and a direct water discharge outlet chamber N partitioned in a watertight state by a lower wall 15 provided along the X axis direction. 'Is formed. For example, the + direction side of the Y axis is the sprinkling outlet chamber M ′, and the − direction side of the Y axis is the direct discharge outlet chamber N ′.
[0011]
And the 1st hole 21 is a hole which makes the water purification room M and the direct discharge water discharge room N 'communicate. The second hole 22 is a hole that allows the water purification chamber M and the water sprinkling outlet chamber M ′ to communicate with each other. The third hole 23 is a hole that allows the raw water chamber N and the direct water discharge chamber N ′ to communicate with each other. The fourth hole 24 is a hole that allows the raw water chamber N and the water sprinkling outlet chamber M ′ to communicate with each other.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
The water purifier of this invention is demonstrated in detail below, referring drawings. 1 to 7 show an embodiment of the present invention.
[0013]
1 shows a use state, FIG. 2 shows various components, and FIG. 3 shows a gear mechanism that drives the valve bodies 31, 32, 33, and 34 in the opening and closing direction. Moreover, FIG. 4 shows the direct discharge (straight) discharge flow path A of the purified water P, the sprinkling (shower) discharge flow path B of the purified water P, the direct discharge water discharge flow path C of the raw water Q, and the sprinkle discharge flow path D of the raw water Q. FIG. 5 shows that when the water purifier 12 is locked and connected to the faucet 4 of the faucet S and the faucet S is in a water discharge state, the purified water is always stored in the water purification chamber M. A first hole 21 that allows M to communicate with the direct discharge water discharge chamber N ′ downstream of this is closed by the valve body 31, and a second water communication chamber M communicates with the water spray discharge chamber M ′ downstream of this. This shows a state in which the hole 22 is closed by the valve body 32.
[0014]
FIG. 6 shows that when the faucet S is in a water discharge state, purified water and raw water are always stored in the water purification chamber M and the raw water chamber N, respectively, and the raw water chamber N communicates with the direct water discharge outlet chamber N ′ downstream of this. A third hole 23 is opened to form a direct discharge water discharge channel C of raw water, and a first hole 21 that communicates the water purification chamber M with a direct discharge water discharge chamber N ′ downstream thereof is a valve body. 31 shows a closed state.
[0015]
In FIG. 1 to FIG. 7, reference numeral 1 denotes a water purifier cartridge that is detachably attached to the water purifier main body 3. For example, a U-shaped flow in which an inlet 1 a of raw water Q and an outlet 1 b of purified water P are formed side by side. It is of a double cylinder structure constituting the path, and the inside of the outer cylinder on the inlet side of the raw water Q is filled with activated carbon for removing residual chlorine, and the inner cylinder on the outlet side of the purified water P is filled inside The filter is filled with chemical fibers for removing microorganisms such as bacteria and mold that cause turbidity, and pollutants such as red rust and mud. In order to prevent the activated carbon from flowing out, an activated carbon outflow preventing member such as felt is provided on the inlet side of the raw water Q.
[0016]
2 is a bottomed cylindrical case which covers the water purifier cartridge 1 and is detachably screwed to the water purifier main body 3. The water purifier cartridge 1 can be replaced by removing the cylindrical case 2 from the water purifier main body 3. 3a is the bottom part of the water purifier main body 3, and is located under the valve seat member 13 mentioned later. Moreover, the water purifier main body 3 has the attachment part 26 of the shower board 25 in the state connected with the front from the bottom part 3a. Reference numeral 27 denotes a bottom cover body that covers the bottom 3a. And between the bottom part 3a of the water purifier main body 3, and the bottom part cover body 27, the accommodation space K which can accommodate the weight 41 and the axial part 42 of the valve bodies 31,32,33,34 mentioned later is formed.
[0017]
4 is a faucet of the faucet 5, and a male threaded cylinder portion 7 raised on the upper portion of the water purifier main body 3 is locked and connected to the faucet 3 by a nut 6.
[0018]
Reference numeral 8 denotes an exterior case that covers the water purifier main body 3 and has an insertion hole 8a through which the male screw cylinder portion 7 is inserted. The outer case 8 is attached to the water purifier main body 3 by an appropriate means such as screw connection.
[0019]
A disk-shaped switching plate 9 is fitted into the male screw cylinder portion 7 via an O-ring 9 a provided on the outer periphery of the switching plate 9, and then a disk-shaped packing 10 is placed on the switching plate 9. Further, a strainer 11 is fitted on the annular packing 10. The switching plate 9 is located below the position of the male screw F. The strainer 11 is not shown except for FIG.
[0020]
The characteristic configuration will be described below.
[0021]
A disk-shaped valve seat member (seat member) 13 is formed in the lower opening of the male screw cylinder portion 7. The switching plate 9 is disposed immediately above the valve seat member 13.
[0022]
The water purifier 12 discharges the direct water discharged from the purified water P purified from the raw water Q, the water discharged from the purified water P, the direct water discharged from the raw water Q, and the raw water Q discharged from the water spray. The water purification chamber M and the raw water chamber N are provided on the upstream side of the valve seat member 13, that is, between the lower surface of the switching plate 9 and the upper surface of the valve seat member 13. On the other hand, a sprinkling outlet chamber M ′ and a direct discharge outlet chamber N ′ are provided downstream of the valve seat member 13, that is, between the bottom surface of the valve seat member 13 and the bottom 3 a of the water purifier main body 3.
[0023]
The water purification chamber M and the raw water chamber N are partitioned in a watertight state by an upper wall 14 that stands on the upper surface of the valve seat member 13. Further, the sprinkling outlet chamber M ′ and the direct discharge outlet chamber N ′ are partitioned into a watertight state by a lower wall 15 provided in a suspended state from the lower surface of the valve seat member 13.
[0024]
Furthermore, the said valve seat member 13 is formed with the 1st hole 21 which connects the water purification chamber M and the direct water discharge | release chamber N '.
[0025]
Further, the valve seat member 13 is formed with a second hole 22 that allows the water purification chamber M and the sprinkling outlet chamber M ′ to communicate with each other.
[0026]
Further, the valve seat member 13 is formed with a third hole 23 that allows the raw water chamber N and the direct discharge water discharge chamber N ′ to communicate with each other.
[0027]
Further, a fourth hole 24 for communicating the raw water chamber N and the sprinkling outlet chamber M ′ is formed in the valve seat member 13. The holes 21 to 24 have the same shape and are round holes.
[0028]
The upper wall 14 and the lower wall 15 include a plane including the upper wall 14 and a plane including the lower wall 15 so that the holes 21 to 24 communicate with the chambers M, N, M ′, and N ′. Are crossed. In this embodiment, as shown in FIG. 7, the upper wall 14 and the lower wall 15 are connected to the valve seat member 13 so that the planes are orthogonal to each other.
[0029]
The disk-shaped packing 10 is formed to have a pair of left and right cutouts 10a, 10a on the outer peripheral surface.
[0030]
The switching plate 9 has cutout holes 9b and 9b at positions corresponding to the cutout portions 10a and 10a. As shown in FIG. 6, one notch hole 9 b communicates with the water purifier cartridge 1 side, and the other notch hole 9 b communicates with the valve seat member 13 side. Therefore, the raw water Q that has passed through the faucet 4 passes through the notches 10a and 10a, and further, of the raw water Q that has passed through the notches 10a and 10a, the raw water Q that has passed through one of the notch holes 9b reaches the valve seat member 13. In addition, the raw water Q that has passed through the other cutout hole 9 b reaches the inlet 1 a of the water purifier cartridge 1.
[0031]
31, 32, 33, and 34 correspond to the holes 21, 22, 23, and 24 so as to sequentially open and close the first hole 21, the second hole 22, the third hole 23, and the fourth hole 24. It is the valve body provided in each position. The valve bodies 31, 32, 33 and 34 are opened and closed in the vertical direction.
[0032]
The valve bodies 31, 32, 33, and 34 have the same shape, and each has a piston portion 41 that reciprocates in the opening / closing direction (vertical direction) at the lower portion. ) To reciprocate and contact the sheet surface at the upper opening end of each of the round hole-shaped holes 21, 22, 23, and 24 from above, thereby closing the holes 21, 22, 23, and 24 so as to be openable and closable. And a shaft portion 42 for connecting the closing portion 40 and the piston portion 41 to each other. The piston portion 41 has a flat lower surface J. The shaft portion 42 is provided in the opening / closing direction (vertical direction) so as to be inserted through the holes 21, 22, 23 and 24. Reference numeral 43 denotes an elastic body that constantly urges the valve bodies 31, 32, 33, and 34 toward the holes 21, 22, 23, and 24, respectively. The elastic body 43 is provided between the lower surface of the switching plate 9 and the upper surface of the closing portion 40. Further, the closing member 40 covers a conical portion 40a having a substantially inverted conical shape and an outer peripheral body surface of the conical portion 40a, and the biasing force of the elastic body 43 allows the holes 21, 22, 23, 24 to be covered. It comprises a rubber member 40b that is in direct contact with the sheet surface to close the holes 21, 22, 23, and 24 and to close it. The cone portion 40a, the shaft portion 42, and the piston portion 41 are integrally formed.
[0033]
44 is a label made of a transparent sheet printed with characters such as (direct purified water discharge / purified water sprinkling / raw water direct discharge / raw water sprinkling) indicating the discharge state from the water purifier 12 (in FIG. Not shown). The label 44 is affixed to the body surface of the cylindrical body 45. The cylindrical body 45 has a rectangular through hole 45a, and a driven shaft 39a, which will be described later, is fitted into the through hole 45a so that the cylindrical body 45 rotates around the driven shaft 39a as the driven shaft 39a rotates. It is configured to And the display body which displays each said discharge state from the label 44 and the cylindrical body 45 is formed. Further, the outer case 8 has a window 46, and a cylindrical body 45 to which the label 44 is attached is accommodated in the outer case 8 through the window 46. In addition, a lens 47 for enlarging and displaying the character is attached to the window 46, and the character enlarged through the lens 47 is configured to be visible to the user. 48 is a pair of left and right mounting plates for mounting the tubular body 45 to the water purifier main body 3.
[0034]
Next, the valve bodies 31, 32, 33 and 34 are driven in the opening / closing direction (vertical direction; a direction parallel to the Z-axis), and the display bodies 44 and 45 for displaying the respective discharge states are provided on the valve bodies 31 and 32. , 33 and a gear mechanism that rotates in conjunction with the movement of 34 will be described.
[0035]
Reference numeral 35 denotes a bevel gear positioned directly below the piston portion 41 of the valve bodies 31, 32, 33, 34 in the accommodation space K, and is rotatably mounted on the bottom cover body 27.
[0036]
Reference numeral 36 denotes a drive gear that rotates together with the fixed shaft 36a. A one-way clutch G is attached to the fixed shaft 36a, and is linked to a switching operation piece 70 described later.
[0037]
37 and 38 are a pair of driven gears provided on the front and rear on the axis. Then, the driven gear 38 is rotatably fitted on a fixed shaft 37a provided on one side surface of the mounting plate 48 located outside of the mounting plates 48, 48 so as to protrude outward, and the driven gear 37 is driven. It is engaged with 36.
[0038]
Reference numeral 39 denotes a driven gear provided with a driven shaft 39a, which meshes with the driven gear 38. The driven shaft 39a has a rectangular cross section so as to fit into the rectangular through hole 45a of the cylindrical body 45. The driven shaft 39a is inserted into a shaft hole 48a provided in the mounting plate 48 located on the outer side of the mounting plates 48, 48, and is driven by a locking recess 48b provided in the mounting plate 48 positioned on the inner side. The small diameter portion d of the tip of the shaft 39a is locked.
[0039]
Reference numeral 50 denotes a fixed shaft provided on the lower portion of one side of the water purifier main body 3 so as to protrude outward, and reference numeral 51 denotes a driven gear that is rotatably fitted to the fixed shaft 50. Reference numeral 52 denotes a driven gear that rotates integrally with the driven gear 51. The driven gear 52 is engaged with the drive gear 36, and the driven gear 51 is engaged with the bevel gear 35.
[0040]
Further, the bevel gear 35 that is rotatably mounted on the bottom cover body 27 has an annular rail 54 on the upper surface H as shown in FIGS. Note that FIG. 2 does not show the annular rail.
Reference numeral 70 denotes a switching operation piece for switching to each of the discharge states, which is U-shaped in plan view. A one-way attached to the fixed shaft 36a of the drive gear 36 at the base at the right end when viewed from the front. A fitting hole 70a for fitting the clutch G is provided. Further, a hole 70b for a base portion bearing at the left end of the front is provided. 71 is a spring, and 72 is a hinge member. By a single reciprocating switching operation in the up and down direction (R direction indicated by a double arrow) of the switching operation piece 70, purified water is directly discharged → purified water sprinkled → raw water directly discharged → The discharge state can be switched in the order of raw water sprinkling → purified water direct discharge.
[0041]
One protrusion 55 protruding upward is formed at a predetermined position of the rail 54. The protrusions 55 are sequentially brought into contact with the flat lower surfaces J of the piston portions 41 of the valve bodies 31, 32, 33 and 34 to push the piston portions 41 upward, so that the holes 21, 22, 23 and 24 are For example, as shown in FIG. 6, the hole 23 is opened and the direct discharge of the raw water Q is discharged from a discharge hole 25 a provided in the center of the shower plate 25.
[0042]
At the same time, the cylindrical body 45 is rotated around the driven shaft 39a, and the characters "directly discharged from raw water" enlarged through the lens 47 come to the window 46, and this can be seen by the user. .
[0043]
Reference numeral 69 denotes a number of holes for direct water discharge formed around the discharge hole 25a provided in the center of the shower plate 25. Reference numeral 60 is a mekular plug, and 61 and 62 are large and small diameter O-rings, respectively.
[0044]
Thus, the gear mechanism for driving the valve bodies 31, 32, 33 and 34 in the opening / closing direction is provided, and the display bodies 44 and 45 for displaying the respective discharge states are provided in conjunction with the gear mechanism. Can provide a water purifier that is easy to use.
[0045]
FIG. 8 shows another embodiment of the present invention in which a pair of shafts 79a and 79b with gears 80 is used in place of the bevel gear 35 and the protrusion 55 as a mechanism for moving the valve bodies 31, 32, 33 and 34 in the opening and closing direction. The embodiment of is shown. In FIG. 8, the same reference numerals as those shown in FIGS. 1 to 7 are the same or equivalent.
[0046]
In FIG. 8, one shaft 79a has a gear 80 that meshes with the drive gear 36 at the right end when viewed from the front, and a pair of protrusions that can rotate around the shaft 79a for moving the valve bodies 33 and 31 in the opening and closing direction. Parts 83 and 81. The other shaft 79b has a gear 80 that meshes with the drive gear 36 at the right end when viewed from the front, and a pair of protrusions 84 that can rotate around the shaft 79b for moving the valve bodies 34 and 32 in the opening and closing direction. , 82.
[0047]
And, for example, the protrusion 81 corresponding to the valve body 31 faces upward, and among the other protrusions 83, 84, 82, the protrusions 83, 82 are lying in the horizontal direction, and the protrusion 84 is It faces downward. These protrusions 81,..., 84 are sequentially brought into contact with the flat lower surfaces J of the piston portions 41 of the valve bodies 31, 32, 33, 34 to push the piston portions 41 upward, so that the holes 21, 22, 23 are brought up. , 24 is spaced upward from the seat surface of the upper opening end, but in FIG. 8, since the protrusion 81 faces upward, the protrusion 81 contacts the lower surface J of the piston portion 41 of the valve body 31. become. In this case, since the protrusion 81 pushes the piston portion 41 upward, the hole 21 in FIG. 5 is opened, and the direct discharge (straight) discharge flow path A of the purified water P is formed. That is, the direct discharge of the purified water P is discharged from the discharge hole 25 a provided in the center of the shower plate 25.
[0048]
【The invention's effect】
As described above, according to the present invention, it is possible to provide a water purifier that has good sealing properties and is easy to use.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a use state in an embodiment of the present invention.
FIG. 2 is an exploded perspective view of the embodiment.
FIG. 3 is a configuration explanatory view showing a gear mechanism in the embodiment.
FIG. 4 is a diagram illustrating various discharge states in the embodiment.
FIG. 5 is a configuration explanatory view showing a water purification chamber, a direct discharge water discharge chamber, and a water spray discharge chamber in the embodiment.
FIG. 6 is a configuration explanatory view showing a direct water discharge chamber, a raw water chamber, and a water purification chamber in the embodiment.
FIG. 7 is a diagram showing the positional relationship of the water purification chamber, raw water chamber, direct discharge water discharge chamber, sprinkle discharge chamber, and first to fourth holes of the present invention with respect to the valve seat member.
FIG. 8 is an exploded perspective view of a main part in another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 12 ... Water purifier, 13 ... Valve seat member, 14 ... Upper wall, 15 ... Lower wall, 21-24 ... 1st-4th hole, 31-34 ... Valve body, 35, 36, 51, 52, G ... Gear mechanism 40 ... Blocking portion 41 ... Piston portion 43 ... Elastic body 55, 81-84 ... Projection (part) 70 ... Switching operation piece J ... Flat bottom surface M ... Water purification chamber N ... Raw water chamber , N '... direct discharge water discharge chamber, M' ... sprinkle discharge chamber, A ... purified water direct discharge water discharge channel, B ... purified water spray (shower) discharge channel, C ... raw water direct discharge discharge channel, D ... Sprinkling discharge channel of raw water, P ... purified water, Q ... raw water.

Claims (4)

A water purifier configured to be able to be switched to a state that discharges direct water discharged from purified water purified from raw water, a state that discharges water from the purified water, a state that discharges direct water directly from raw water, and a state that discharges water from raw water. A water purification chamber and a raw water chamber are provided on the upper surface on the upstream side of the valve seat member in a watertight state by an upper wall standing on the upper surface , and the lower surface on the lower surface on the downstream side of the valve seat member. A water spout deriving chamber and a direct water discharge deriving chamber that are partitioned in a watertight state by a lower wall provided in a suspended state from the water supply chamber, and each of the water purification chamber and the raw water chamber directly above the sprinkler deriving chamber via the valve seat member. The lower wall is provided with respect to the upper wall so that a part thereof is positioned and the remaining portions of the water purification chamber and the raw water chamber are positioned directly above the direct discharge water discharge chamber via the valve seat member. And
Furthermore, the valve seat member is connected to the first hole for communicating the water purification chamber and the direct discharge outlet chamber, the second hole for connecting the water purification chamber and the water discharge outlet chamber, and the raw water chamber and the direct discharge outlet chamber. Providing a third hole and a fourth hole for communicating the raw water chamber and the water sprinkling chamber;
A valve body is provided at a position corresponding to each hole so as to open and close the first hole, the second hole, the third hole, and the fourth hole, and a gear mechanism for driving these valve bodies in the opening and closing direction is provided. ,
Furthermore, the valve body has a closed portion for switching between an open state and a closed state at the upper portion, a piston portion that reciprocates in the up and down opening and closing directions at the lower portion, and the closed portion at the opening of the hole. While having an elastic body that closes the valve body by urging to the side, the piston portion has a flat lower surface,
Provide a switching operation piece for switching to each communication state,
Further, the gear mechanism has a gear that rotates in conjunction with the switching operation of the switching operation piece,
The gear has a protrusion formed to contact the flat lower surface of the piston portion of each valve body and push the piston portion upward to bring the valve body from a closed state to an open state. A water purifier characterized by that. The water purifier of Claim 1 which provided the display body which displays each said discharge state in response to the said gear mechanism. The said upper wall and lower wall are connected to the said valve seat member so that the plane containing the said upper wall and the plane containing the said lower wall may orthogonally cross in the upper and lower sides of the said valve seat member. Water purifier. Said first hole, second hole, according to the third hole and fourth hole successively one to open and close the claims 1-3 which is provided with a valve body at positions corresponding to the holes of the Water purifier.

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