JP3021359B2 - Mounting mechanism for water purification cartridge - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for mounting a water purification cartridge attached to a water purifier or an electrolyzed water generator connected to a water supply. More specifically, the present invention relates to a water purification cartridge mounting mechanism that simultaneously performs a function of selecting a suitable cartridge and a function of accurately attaching and detaching the water purification cartridge to and from the cartridge receiving portion from a vertical direction.

[0002]

2. Description of the Related Art In order to purify raw water, especially as a member for removing chlorine and pods contained in raw water, activated carbon or
Filling and storing filter agent such as / and hollow fiber in a bottomed cylindrical container
And a convex raw water outlet at the center of the other end with the bottom.
And concentrically deviated from the center
A water purification cartridge with a convex inlet port for raw water
It is used. When running raw water such as tap water into the water purification cartridge for a long period of time, activated carbon loses its activity due to chlorine and pods in the raw water, and hollow fibers and filter agents close the filtration pores for water purification. Loses the function as a cartridge. For this reason, the cartridge is replaced with an unused cartridge usually every three to six months to recover the function as a water purifier.

For this reason, as shown in FIGS. 3 (a) and 3 (b), a convex raw water outlet 4 is provided at the center of the bottomed other end 3 of the bottomed cylindrical container 2. A concave fitting is provided at a position corresponding to the water purification cartridge 1 provided with the convex inlet port 5 of the raw water at a position concentrically deviated from the center, and the outlet port 4 and the inlet port 5 respectively. A cartridge receiving portion 6 having insertion portions 7 and 8 and an annular holder 9 for engaging the water purification cartridge 1 and the cartridge receiving portion 6 are provided between the water purification cartridge 1 and the cartridge receiving portion 6.
By rotating the water purification cartridge 1 and the cartridge receiving portion 6 freely engage with each other, and when the raw water flows in the direction of the arrow, the O-ring 10 is used to purify the water while preventing water leakage. There is a cartridge mounting mechanism.

[0004]

The nature of raw water changes depending on the season, region, and the like. When a cartridge adapted to the nature of the raw water is used, not only the life of the cartridge can be extended, but also desired purified water can be obtained. For this reason, cartridges suitable for various applications are commercially available, but the appearance of the cartridge is often the same for mass production, and it is not always easy to identify according to the application. Not. For this reason, a cartridge that is not suitable for obtaining the desired purified water may be set, causing inconvenience.

[0005] Further, the water purification cartridge often needs to be attached to and detached from the cartridge receiving portion for replacement for the reasons described above. For example, in the case of mounting, the outlet port and the inlet port of the cartridge and the concave fitting portion of the cartridge receiving section do not fit in a vertical state unless inserted correctly from the vertical direction. There is a danger that the O-ring mounted on the neck of the mouth will be distorted and water will leak from this fitting portion. That is, the cartridge is provided with a convex raw water outlet port at the center of the other end of the bottomed cylindrical container,
Since the convex raw water inflow port is provided at a position concentrically deviated from the center part, when inserted into the cartridge receiving part, the bottom end of the inserted bottom is inclined and inserted accurately from the vertical direction. There is a problem that it is difficult to do.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a water purifying cartridge mounting mechanism which simultaneously prevents a cartridge from being erroneously inserted and simultaneously allows a water purifying cartridge to be accurately inserted into a cartridge receiving portion from a vertical direction. Things.

[0007]

According to a first aspect of the present invention, there is provided a water purification cartridge mounting mechanism, comprising: chlorine contained in raw water;
The member for removing pods is filled and stored in a bottomed cylindrical container, and a convex raw water outflow port is provided at the center of the other end with the bottom, and at a position concentrically deviated from the center. A water purification cartridge provided with a convex raw water inflow port, a cartridge receiving section provided with a concave fitting portion at a position corresponding to the outflow port and the inflow port, respectively, and the water purification cartridge. An annular holder for engaging the cartridge receiving portion is provided between the water purification cartridge and the cartridge receiving portion, and by rotating the annular holder, the water cleaning cartridge and the cartridge receiving portion are freely engaged. In the water purifying cartridge mounting mechanism, a concave fitting portion is provided on the opposite side of the inflow pipe opening centered on the outflow pipe opening on the other end side with the bottom of the water purification cartridge, and the cartridge receiving section is provided. Characterized in that a convex projection that mates with the concave fitting portion to serial recessed fitting portion corresponding surface.

According to a second aspect of the present invention, there is provided the water purifying cartridge mounting mechanism, wherein the convex protrusion and the concave fitting portion constitute a fitting refusal means for selecting only a compatible cartridge.

[0009]

FIG. 1 is a partially cutaway perspective view showing a mounting mechanism of a water purification cartridge of the present invention. FIG.
FIG. 1A shows a water purification cartridge, and FIG. 1B shows a cartridge receiving portion and an annular holder, which is different from the conventional example shown in FIG. Members performing the same functions as in the conventional example are denoted by the same reference numerals, and description thereof will be omitted.

In FIG. 1, a cartridge 1 is a bottomed cylindrical container 2 made of resin or the like, and has an outlet port 4 and an inlet port 5 at the other end 3 having a bottom. O-rings 10 and 10 are provided on the outlet neck 11 and the inlet neck 12, respectively. In addition, the inlet port 5
A concave fitting portion 13 is provided on the opposite side of the substantially straight inlet port connecting the outlet port 4 to the outlet port 4. The cartridge receiving portion 6 is provided with fitting insertion portions 7 and 8, which correspond to the outlet port 4 and the inlet port 5 and are freely fittable. In addition, a convex protrusion 14 is provided on the opposite side of the fitting portion 8 of the straight line 1 connecting the fitting portion 8 to the fitting portion 7 so as to correspond to the concave fitting portion 13. When the cartridge 1 and the cartridge receiving portion 6 rotate the annular holder 9, a part of which is illustrated, the flange 15 is locked on the annular projecting portion 16 of the cartridge 1, and the projecting portion 17 is fixed to the outer periphery of the cartridge receiving portion 6. Engagement groove 18 provided in
It is fixed by engaging with. As a result, it becomes possible to relax and detach in accordance with the rotation. In the present invention,
For the engagement between the cartridge 1 and the cartridge receiving portion 6, various existing methods other than those shown can be employed.

The inlet port 5 and the concave fitting portion 13 of the cartridge 1 are located on the opposite side of the inlet port 5 with the outlet port 4 as the center, and the fitting portions 7 and 8 of the cartridge receiving portion 6 are provided. When the cartridge 1 is inserted into the cartridge receiving portion 6, the outlet port 4 and the fitting portion 7, and the inlet port 5 are fitted with the cartridge 1. The part 8 and the concave fitting insertion part 13 and the convex protrusion 14 are easily fitted. At this time, by comparing the respective heights of the outlet port 4, the inlet port 5, and the convex protrusion 14, at an initial stage of inserting the cartridge 1 into the cartridge receiving section 6,
The other end 3 with the bottom of the cartridge 1 can be inserted while being positioned parallel to the cartridge receiving portion 6. As a result, the cartridge 1 can be inserted vertically into the cartridge receiving portion 6.

Further, the shapes of the concave fitting portion 13 and the convex protrusion 14 described later are different, or the concave fitting portion 13 and the convex
Is not at the corresponding position, or the convex projection 14 cannot be inserted into the concave insertion section 13 if there is no concave insertion section 13 regardless of the presence of the projection 14. That is, when the shape, position, and presence or absence of the concave fitting portion 13 of the cartridge 1 are changed in accordance with the properties of the raw water, the cartridge 1 into which the convex protrusion 14 can be inserted and the cartridge 1 into which the convex projection 14 cannot be inserted exist. In the insertable cartridge 1, a portion of the flange 15 of the annular holder 9 is lifted up by the protrusion 14, so that a portion of the flange 15 of the annular holder 9 is lifted up. Cannot be engaged. As a result, only a cartridge compatible with the water purifier can be used. As a result, even if the appearance of the cartridge is the same, a cartridge suitable for the application can be selected.

[0013]

FIG. 2 is an embodiment showing the shapes of the concave fitting portion and the convex protrusion of the mounting mechanism of the water purification cartridge according to the present invention.

In FIG. 1, the concave fitting portion 13 and the convex projection 14 are shown as an oval concave fitting portion and a convex projection, but as shown in FIG. The projections 14-1, 14-2, and 14-3 may be used, and the corresponding concave fitting portion 13 may be the above-described pyramid, cylinder, triangular prism, or the like. In other words, by fitting the concave fitting portion 13 of the cartridge to the convex protrusion 14, a fitting refusal means for selecting only a suitable cartridge is formed. Further, if the concave fitting portion 13 and the convex protrusion 14 have a key-lock relationship, other shapes can be selected.

In FIG. 1, the number of the recessed insertion portion 13 and the projection 14 is one corresponding to each other.
Can be freely set in the vicinity of the straight line 1 connecting the fitting portions 7 to.

[0016]

As described above, according to the present invention, since the convex protrusion and the concave fitting portion have a shape relationship of a key and a lock for selecting only a compatible cartridge, mounting of a cartridge other than a desired cartridge is performed. Can be impossible.

At the same time, a convex projection is provided on the other end of the cartridge receiving portion opposite to the inflow port opening corresponding insertion portion at the other end side of the bottom end of the cartridge receiving portion. Since the concave fitting portion for accommodating the convex protrusion is provided in the convex protrusion corresponding portion, the inclination of the insertion position of the water purification cartridge with respect to the cartridge receiving portion is eliminated, so that the water purifying cartridge can be accurately inserted from the vertical direction. Can be.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing an attachment mechanism of a water purification cartridge of the present invention.

FIG. 2 is an embodiment showing the shapes of the concave fitting portion and the convex protrusion of the mounting mechanism of the water purification cartridge according to the present invention.

FIG. 3 is a diagram showing a mounting mechanism of a conventional water purification cartridge.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Cartridge 3 The other end side with a bottom 4 Outflow pipe mouth 5 Inflow pipe mouth 6 Cartridge receiving part 7 Fitting insertion part 8 Fitting insertion part 9 Ring holder 10 O ring 13 Concave insertion part 14 Convex projection

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) C02F 1/28 C02F 1/44 B01D 35/00-35/34 E03C 1/00-1/10

Claims (2)

(57) [Claims] 1. Removal of chlorine and pods contained in raw water
The member is filled and stored in a bottomed cylindrical container, and a convex raw water outflow port is provided at the center on the other end side with the bottom, and the convex raw water is concentrically displaced from the center. A water purifying cartridge provided with an inflow pipe opening, a cartridge receiving section provided with a concave fitting portion at a corresponding position of the outflow pipe opening and the inflow pipe opening, and the water purification cartridge and the cartridge receiving section. An annular holder to be engaged is provided between the cartridge for water purification and the cartridge receiving portion, and the cartridge for water purification is freely attached to the cartridge for water purification by rotating the annular holder. In the mechanism, a concave fitting portion is provided on the opposite side of the inflow pipe port centered on the outflow pipe port portion on the other end side with the bottom of the water purification cartridge, and the concave fitting plug portion pair of the cartridge receiving portion is provided. A mounting mechanism for a water purification cartridge, wherein a convex projection is provided on the response surface so as to be fitted with the concave fitting portion. 2. The water purifying cartridge mounting mechanism according to claim 1, wherein the convex protrusion and the concave fitting portion form a fitting / rejection unit for selecting only a suitable cartridge.