KR20100034798A - Filter cartridge connecting device of water filter with complex elbow - Google Patents

Abstract

PURPOSE: A filter cartridge connection device for a purifier using a complex elbow is provided to reduce assembly time and costs for connection work of an adjacent purification water, and to improve workability for assembling components. CONSTITUTION: A filter cartridge connection device for a purifier using a complex elbow is combined to a port of a purification filter. An insert plate is inserted into a collect. An elbow type joint is combined to the collect by an O-ring for preventing leakage of water. A step elbow type joint(16) is extended to one side of a connection pipe(14). A fixing groove(15) is formed on the outer circumference of the connection pipe.

Description

Filter cartridge connecting device of water filter with complex elbow

According to the present invention, by connecting adjacent water filters using elbows and step elbows, which are respectively coupled to the ports of the water filter connected in series by one-touch method, the use of a separate tube tube formed of synthetic resin is unnecessary. The present invention relates to a filter cartridge connection device for a water purifier using a composite elbow.

More specifically, the coupling of the elbow combined with the O-ring and the collet to the port of one water filter and the step elbow combined with the collet to the port of the other water filter, the joint pipe is integrally formed on the step elbow (step elbow) Filter cartridge connection device for water purifier using a compound elbow to reduce the cost cost and improve workability by eliminating the use of a separate tube tube by connecting the joint to the elbow in one-touch method. It is about.

In general, a water purifier includes a general water purifier having a simple purifying function to filter various impurities, bacteria, heavy metals, etc. contained in the tap water by passing tap water through several stages of a water filter, and a cooling device and a heating device are added to the general water purifier. It is classified into cold and hot water purifier that purifies tap water and simultaneously cools or heats tap water to provide cold water or hot water.

General water purifiers have a desk top type, a stand type, and an undersink type under the kitchen sink, where filters and storage tanks are installed inside the cabinet and placed on the counter, depending on the installation method. under sink type).

As shown in Figure 1, the water filter including a general reverse osmosis membrane filter, macrosize of rust, soil, sand, suspended solids, etc. contained in the raw water (tap water, groundwater, etc.) flowing through the hose connected to the faucet Sediment filter (1) for removing foreign matters with a nonwoven fabric,

Pre-carbon filter that removes chlorine (such as trihalomethane) and organic chemicals remaining in water by adsorption of activated carbon made by burning mineral or palm tree at high temperature (2) Wow,

Reverse osmosis filter (R / O), which purifies various pollutants, bacteria, inorganic substances, heavy metals, etc. in water through fine pores of 0.0001 micron size by polyamide composite membrane (3) Wow,

It comprises a post-carbon filter (4) for improving the taste of water by treating the foreign matter, such as odors in the water, gas components.

Impurities (concentrated water) filtered by the above-mentioned reverse osmosis membrane filter 3 are discharged to the external designated place through the control valve 5.

As shown in Figure 2, the filter cartridge connecting device for a water purifier using a collet according to the prior art,

The collet 8 coupled to the port 6 of the water filter connected in series is detachably coupled to one end thereof, and is a flexible tube tube made of flexible resin to jointly connect the adjacent water filters 1 and 2 ( The elbow joint 11 in which the collet 10 to which 9) is coupled is detachably coupled to the other end is used.

At this time, the collet (8, 10) is a hydraulic pressure or vibration of the port (6, 7) and the tube tube (9) by the reverse catching jaw (12a) of the insert plate 12 of the stainless steel material is inserted during its injection molding The outer peripheries of the ports 6 and 7 and the tube tube 9 are pressurized so as not to be separated in the opposite direction coupled by the same.

As an example, in the state in which the elbow joint 11 is coupled to the ports 6 and 7 of the sediment filter 1 and the precarbon filter 2, the tube tube 9 is cut to have a predetermined length. Each elbow-type joint 11 is fitted in a one-touch manner. At this time, the length of the tube tube 9 is determined according to the space of the place where the filter for water purifier is installed (kitchen sink, etc.) and the environmental factors of the surroundings.

Therefore, when the tube tube 9 is coupled to the elbow-type joint 11, the tube 10 is prevented from leaking from the collet 10 by the reverse catching jaw 12a of the collet 10. It is possible to prevent the leakage through the gap between the tube tube 9 and the collector 10 by the close contact between the O-ring 13 and the tube tube 9 elastically deformed in the joint (11). .

On the other hand, when separating the tube tube 9 from the elbow-type joint 11 to check or replace the water filter, the elastic piece of the collet 10 by pressing the outer end of the collet 10 in the axial direction 10a extends radially (outwardly spreading). As a result, the pressing force of the reverse catching jaw 12a against the tube tube 9 is weakened, so that the tube tube 9 can be easily separated from the collet 10.

Filter cartridge connection device for a water purifier using a collet according to the prior art, the collet (8) is respectively coupled to both ends of the elbow type joint (11) and fitted to the ports (6, 7) and the tube tube (9) of the water filter, respectively. 10 and a separate hose 9 fitted to both ends of the collet 10 so as to be connected to the neighboring filter. As a result, the cost increase due to the increase in the number of parts, and the price competitiveness of the product in the same sector is falling.

In the embodiment of the present invention, the elbow and the step elbow coupled to the ports of the water filter for water purifiers, which are connected in series, are connected in one-touch manner. The present invention relates to a filter cartridge connection device for a water purifier using a composite elbow to reduce cost costs and improve workability by reducing work time for assembling them.

Filter cartridge connection device for a water purifier using a composite elbow according to an embodiment of the present invention,

In the filter cartridge connecting device for water purifiers, which jointly connects a neighboring water filter connected in series with an elbow joint,

An elbow-type joint coupled to a port of one side of the water filter, a collet inserted into the insert plate in a radial direction, coupled to both ends, and an O-ring for leakage prevention into the collet;

The water pipe is connected to the port of the other water filter of the water filter, the collet into which the insert plate is inserted in the radial direction is coupled to one end, and the o-ring for leakage prevention is coupled to the inside of the collet, and the joint pipe is connected to one side collet of the elbow type joint. The one end portion is integrally formed and includes a step elbow joint in which an annular groove is formed in which an insert plate of the elbow joint is fixed to the outer circumference of the joint pipe.

According to a preferred embodiment, the joint pipe except for the portion of the elbow joint joint is connected to the collet is formed in the same size as the body of the step elbow joint.

The joint pipe between the joint portion of the elbow joint and the main body of the step elbow joint is tapered.

As described above, the filter cartridge connecting device for a water purifier using the composite elbow according to the embodiment of the present invention has the following advantages.

When connecting adjacent water filters using elbows and step elbows, which are respectively connected to the ports of the water filter for water purifiers connected in series, the joints formed integrally with the step elbows are connected to the elbows in a one-touch manner. By connecting, it is not necessary to use a separate tube tube, reducing the cost cost, and workability can be improved by reducing the work time for assembling them.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, which are intended to describe in detail enough to enable those skilled in the art to easily practice the invention, and therefore It does not mean that the technical spirit and scope of the present invention is limited.

As shown in Figure 3 and 4, the filter cartridge connecting device for a water purifier using a composite elbow according to an embodiment of the present invention,

In the filter cartridge connecting device for water purifiers, which jointly connects a neighboring water filter connected in series with an elbow joint,

The collet is coupled to the port 6 of one of the water filter (eg, sediment filter) of the water filter, and the insert plate 12 is inserted such that the reverse jaw 12a protrudes in the radial direction during injection molding ( 8, 10 is coupled to both ends, the elbow-type joint (11) to which the leak-proof O-ring 13 is coupled to the inside of the collet (8, 10),

The collet which is coupled to the port 7 of the other side of the water filter (for example, pre-carbon filter), the insert plate 12 is inserted so that the reverse stopper 12a protrudes in the radial direction during injection molding ( 8) is coupled to one end and the o-ring (13) for preventing leakage into the collet (8) is coupled, the joint pipe 14 is integrally integrated at one end so as to be jointed to one side collet (10) of the elbow-type joint (11) It is formed to extend, and comprises a step elbow-type joint 16 is formed in an annular fixing groove 15 is fixed to the insert plate 12 of the elbow-type joint 11 on the outer periphery of the joint pipe (14).

Hereinafter, with reference to the accompanying drawings an example of the use of the filter cartridge for the water purifier using a composite elbow according to an embodiment of the present invention will be described in detail.

As shown in FIG. 4, after arranging filters for water purifiers installed at predetermined positions, such as kitchens, by arranging them at a predetermined interval so as to be connected in series, one of the neighboring water filters (for example, Cedi The collet 8 of the elbow joint 11 to the port 6 of the cement filter), and the collet of the step elbow joint 16 to the port 7 of the other water purification filter (e.g., a pre-carbon filter). Combine (8).

At this time, the injection of the collet 8 of the elbow-type joint 11 and the step elbow-type joint 16 by the reverse engaging jaw 12a of the insert plate 12 inserted to protrude in the radial direction 6,7) Each outer periphery is fixed by pressing radially. Therefore, the elbow-type joint 11 and the step elbow-type joint 16 are separated from the ports 6 and 7 of the water filter by the pressure of the purified water flowing into the water filter or the impact or vibration applied to the filter from the outside. You can prevent it.

On the other hand, the fitting of the main body 17 of the step elbow-type joint 16 is formed by integrally extending the joint pipe 14 to the collet 10 of the elbow joint (11) to be jointed. At this time, the reverse catching jaw 12a of the collet 10 is fixed to the fixing groove 15 formed in an annular shape on the outer circumference of the fitting pipe 14. This can prevent separation of the joint pipe 14 from the collet 10 of the elbow joint 11.

Therefore, it is unnecessary to use a separate tube tube to jointly connect the adjacent water filter (the use of the tube tube 9 of the synthetic resin material shown in FIG. 1 is unnecessary).

In addition, the use of a separate collet and an O-ring is unnecessary on the joint pipe 14 side of the step elbow type joint 16 (that is, the collets 8 and 10 and the O-ring 13 are coupled to both ends of the elbow joint 11, respectively). Therefore, the cost can be reduced by reducing the number of parts.

As shown in Figure 5 (a), the filter cartridge connecting device for a water purifier using a composite elbow according to another embodiment of the present invention, the portion is connected to the collet 10 of the elbow-type joint 11 described above The joint pipe 14 except for may be formed in the same size (outer diameter) of the size (outer diameter) of the main body 17 of the step elbow type joint 16.

As shown in Figure 5 (b), the filter cartridge connecting device for a water purifier using a composite elbow according to another embodiment of the present invention, the portion is jointly connected to the collet 10 of the elbow joint 11 described above. And the joint pipe 14 between the main body 17 of the step elbow type joint 16 may be formed to be tapered.

That is, the shape, diameter or length of the joint pipe 14 which is integrally formed when the main body 17 of the above-described step elbow joint 16 is formed by injection molding may be a place where a filter for water purifier is installed (kitchen sink, etc.). The space can be adjusted according to the surrounding environmental factors.

1 is a state of use of the water filter of a general water purifier,

Figure 2 is a schematic diagram of a filter cartridge connecting device for a water purifier using the elbow according to the prior art,

3 is an exploded perspective view of a step elbow type in a filter cartridge connecting device for a water purifier using a composite elbow according to an embodiment of the present invention;

Figure 4 is a state of use of the filter cartridge connecting device for a water purifier using a composite elbow according to an embodiment of the present invention,

5 (a, b) is a modified example of the joint in the filter cartridge connecting device for a water purifier using a composite elbow according to an embodiment of the present invention.

* Explanation of symbols used in the main part of the drawing

6,7; Port

8,10; Collet

11; Elbow joint

12; Insert plate

13; O-ring

14; Joint pipe

15; Fixing groove

16; Step elbow joint

17; main body

Claims (3)

In a filter cartridge connecting device for water purifiers, in which neighboring water filters connected in series are jointly connected using elbow joints: An elbow joint coupled to a port of one side of the water filter, the collet having an insert plate inserted therein in a radial direction, coupled to both ends thereof, and having an o-ring for preventing leakage into the collet; And Is coupled to the port of the other water filter of the water filter, the collet is inserted into the insert plate in the radial direction is coupled to one end and the O-ring for preventing leakage into the collet, the joint is connected to one side collet of the elbow type joint A joint elbow is formed integrally extending at one end, and includes a step elbow joint having an annular groove in which a fixing groove for fixing the insert plate of the elbow joint is formed at an outer circumference of the joint. Filter cartridge connection device for water purifier. The filter cartridge connecting device for a water purifier using a composite elbow according to claim 1, wherein the joint pipe except for a portion connected to the collet of the elbow joint is formed in the same size as the main body of the step elbow joint. . The filter cartridge connecting device of claim 1, wherein the joint pipe between the joint portion of the elbow joint and the body of the step elbow joint is tapered.

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