KR20120025166A - Apparatus for connecting of filter cartridge of push-button - Google Patents

Abstract

PURPOSE: An apparatus for combining a filter cartridge is provided to improve the convenience of a user and to omit a separate replacing tool and a complex replacing operation in case of the separation or the combination of the filter cartridge. CONSTITUTION: An apparatus for combining a filter cartridge includes a main housing(100), an opening and closing cylinder(114), and a fixing unit(130). A chamber is formed at the inner center of the main housing. The main housing includes an inlet and an outlet. The opening and closing cylinder opens or closes an internal flow path in connection with the inlet and the outlet by vertically moving in a pre-set range. The valve assembly is mounted at a valve chamber at the lower side of the opening and closing cylinder. The fixing unit protrudes a fixing member from the lower side of the main housing to the chamber and adjusts the combination or the release of the main housing and the filter cartridge.

Description

Filter cartridge coupling device {Apparatus for connecting of filter cartridge of push-button}

The present invention relates to a filter cartridge coupling device, and in a water purification system such as a water purifier and an ionizer, when the filter cartridge is separated, inflow of raw water is automatically cut off, and when the filter cartridge is coupled, By having a structure that is automatically allowed, it relates to a filter cartridge coupling device that can be easily replaced even for a beginner through a simple push button method to prevent leakage.

Recently, due to serious problems such as ecosystem destruction and environmental pollution, the amount of pollutants exceeding the drinking water standard is also contained in the tap water and groundwater supplied to the home, and the presence of drinking water is increasingly insufficient. There is only one situation.

The water purifier is a device designed to solve the social problems related to drinking water, and it is a high-quality drinking water (hereinafter referred to as "raw water") that is easily supplied from the surrounding area, which is easily supplied. A filter cartridge for purifying raw water in multiple stages is provided in order to purify it with water.

The filter cartridge includes a filter housing having an inlet port for introducing raw water into the inside and an outlet port for distilling purified water outward, and a filter embedded therein.

This filter cartridge is connected to the filter cartridge coupling device.

Conventional filter cartridge coupling device was a general configuration consisting of only the main body housing having an internal flow path that allows the inflow of raw water and the purified water outflow, and the flow path opening and closing valve to allow or block the inflow of raw water and the outflow of purified water.

That is, when the filter cartridge needs to be replaced using a conventional filter cartridge coupling device, first, a separate flow path opening and closing valve should be operated to block the inflow of raw water and the outflow of purified water, and even after the replacement of the new filter cartridge, the flow path again. By operating the on / off valve, it caused the inconvenience of operation that should allow the inflow of raw water and the outflow of purified water. In addition, this operation inconvenience caused a delay in the replacement time of the filter cartridge acted as a cause of reducing the user convenience.

In addition, the conventional filter cartridge coupling device has a problem that the leakage occurs due to the mistake of the operation of the flow opening and closing valves, operation timing mismatch, etc. when the filter cartridge is replaced.

Therefore, given that most users do not have a skilled skill in replacing filter cartridges, there is a need for a filter cartridge coupling device that can replace filter cartridges more easily and more quickly, and can prevent leakage in advance. This situation is emerging.

Accordingly, the present invention has been made to solve the above problems, it is to provide a filter cartridge combination device that can easily replace the filter cartridge even a novice user by using a simple push button method when the filter cartridge replacement operation. The purpose.

In addition, the present invention is to provide a filter cartridge coupling device that can prevent the leakage phenomenon that may occur in the replacement operation of the filter cartridge by having a structure capable of inflow of raw water and the outflow of purified water only when the filter cartridge is mounted. It is for that purpose.

According to the idea of the present invention for achieving the above technical problem, the chamber (chamber) is formed in the inner center, and having the inlet and outlet on both sides of the outside, and having the inlet and the inlet passage communicating with the outlet respectively, A main body housing at the lower end of the inner passage, wherein the inner passage forms an inner passage opening and closing passage connected to the filter cartridge side inlet and outlet ports; It is supported by a spring interposed in the gap with the main body housing, the lower surface is pressurized or released upward by the mounting or mounting of the filter cartridge, and moves up and down along the chamber to open or block the internal flow path opening and closing passage. Regulating opening and closing cylinder; And a fixing member protruding from the lower portion of the main body housing to the chamber side, and coupling or releasing the main housing and the filter cartridge as the fixing member is inserted into or released from the fixing groove of the filter cartridge neck. Fixing means for adjusting the; provides a filter cartridge coupling device comprising a.

As a preferred embodiment, the opening and closing cylinder may have a protruding step that protrudes from the lower end to provide a locking portion to the spring interposed on the gap with the main body housing.

In this case, the side surface of the protrusion step may have a size and shape corresponding to the internal flow path opening and closing path to block the internal flow path opening and closing passage when the opening and closing cylinder moves downward.

In addition, the side surface of the projection step may be formed of a sealing material having a leakage preventing function coating.

And the spring is preferably a compression coil spring having a metal or synthetic resin material.

As a preferred embodiment, the fixing means, the guide groove portion which is formed in the concave in the upper direction from the lower surface of the main body housing, the through hole through the inner side from the upper end to the chamber; A guide member having a concave groove inwardly in an upper end portion and pressed or released by an upper surface of the filter cartridge when the filter cartridge is mounted or demounted to move up and down along the guide groove; And a fixing member which is inserted into or withdrawn from the fixing cartridge neck part through the fixing hole in association with the vertical movement of the guide member.

At this time, in the guide member, the concave groove may have a diameter having a radius of curvature equal to or larger than the outer diameter of the fixing member.

According to the filter cartridge coupling device of the present invention, a separate tool or a complicated replacement operation is not required when the filter cartridge is separated or combined, thereby shortening the replacement work time, and even a novice user can quickly and easily replace the filter cartridge. This provides an effect of improving user convenience.

In addition, according to the filter cartridge coupling device of the present invention, since the inlet and outflow of the purified water is possible only when the filter cartridge is mounted, an advantageous technical effect that can prevent the leakage of water in advance when replacing the filter cartridge. To provide.

1 is a cross-sectional view showing an internal structure for explaining an embodiment of a filter cartridge coupling device according to the present invention.
Figure 2 is a first operating state shown to explain the operating relationship before the filter cartridge is coupled in one embodiment of the filter cartridge coupling device according to the present invention.
3 is a second operating state diagram illustrating an operation relationship of an intermediate process in which the filter cartridge is coupled in the embodiment shown in FIG.
4 is a third operation state diagram for explaining the operation relationship after the filter cartridge is coupled in the embodiment shown in FIG.

Hereinafter, a preferred embodiment of the filter cartridge coupling device according to the present invention will be described.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. However, the present invention is not limited by the embodiments disclosed below, but will be implemented in various different forms, only the embodiments are to make the disclosure of the present invention complete, and the present invention is common in the art. It is provided to fully inform those skilled in the art of the scope of the invention, which is to be defined only by the scope of the claims. In addition, in the following description of the present invention, if it is determined that related related technologies and the like may obscure the gist of the present invention, detailed description thereof will be omitted.

1 is an internal cross-sectional structure diagram illustrating an embodiment of a filter cartridge coupling device according to the present invention. These drawings are shown to conceptually and clearly understand the constructional relationship of the present invention, as a result of which various modifications of the drawings are anticipated and need not be limited to the particular forms shown.

As shown in FIG. 1, the present embodiment moves up and down along an inner chamber 110 of the main body housing 100, which forms an exterior, and opens or blocks an internal flow path opening and closing passage 109. The opening and closing cylinder 114 and the body housing 100 is made of a configuration comprising a fixing means 130 for coupling the filter cartridge 200.

The outer shape of the main body housing 100 is shown in Figure 1 as the upper surface and the outer circumferential surface has a vertical portion perpendicular to each other, but this is not limited to this only, and the edge is chamfered (champer) through various embodiments or It may have a rounded appearance. A chamber 110 is formed in the inner center of the main body housing 100.

Here, the chamber 110 means a predetermined space in the main body housing 100 that provides a space for guiding the opening and closing cylinder 114 to be described later to move up and down.

The main body housing 100 has a closed upper portion and an open lower portion, and the filter cartridge 200 is inserted into the open lower portion of the main body housing 100.

In addition, both sides of the main body housing 100 is provided with the inlet port 102 and the outlet port 104. Here, the inlet 102 means a flow path inlet for the raw water is introduced, the outlet 104 is a flow path outlet that flows out after the incoming raw water is purified by the filter 220 in the filter cartridge 200.

In addition, the main body housing 100 includes internal passages 107 and 108 including an inlet passage 107 and an outlet passage 108.

Each of the inflow passages 107 and the outflow passage 108 forms respective flow passages that are independent of each other in the main body housing 100.

In other words, one side and the other side of the inlet passage 107 is formed to be connected to the inlet 102 of the main body housing 100 and the inlet port 212 of the filter cartridge 200, respectively, the outlet passage 108 One side and the other side of the main body housing 100 is formed to be connected to the outlet port 104 and the outlet port 212 of the filter cartridge 200, respectively.

In the present embodiment, the inflow channel 107 and the outflow channel 108 are shown in FIG. 1 as having an elbow-type flow path in which each flow path is turned to 90 degrees, but this represents a preferred embodiment. However, the present invention need not be limited to such a shape, and may have a curved flow path as well as a shape that is redirected at an arbitrary angle through various embodiments.

Each of the inflow passage 107 and the outflow passage 108 is formed with an internal passage opening and closing passage 109. Here, the internal channel opening and closing passage 109 means the inlet and the outlet of the flow passage through each of the inlet passage 107 and the outlet passage 108 toward each of the inlet port 212 and the outlet port 214.

Next, the opening and closing cylinder 114 moves up and down along the chamber 110 formed in the body housing 100 to open or block the internal passage opening and closing passage 109.

와 같은 수직단면형상을 가질 수 있다. 그러나 이러한 형상은 예시적인 것일 뿐, 이에 한정될 필요는 없으며,

와 같은 다양한 수직단면형상을 가져도 무방하다.As shown in FIG. 1, the shape of the opening / closing cylinder 114 in the present embodiment surrounds the inlet and outlet channels 107 and the outlet passage 108 in the chamber 110 of the main body housing 100. In order to be able to move up and down in accordance with the shape of the chamber 110,

It may have a vertical cross-sectional shape such as. However, this shape is merely an example, and need not be limited thereto.

It may have various vertical cross-sectional shapes such as.

In addition, the opening and closing cylinder 114 may have a shape capable of sliding up and down along the chamber 110 without wall friction. To this end, the opening and closing cylinder 114 may be manufactured to be the same as the size of the chamber 110, or a little smaller.

In addition, the opening and closing cylinder 114 has a protruding step 116 which is proximately formed at each of the inflow passage 107 and the outflow passage 108 at a lower end thereof. Here, the purpose, shape, and structure of the protrusion step 116 will be described in detail when the spring 120 will be described later.

In addition, the lower surface of the opening and closing cylinder 114 is a portion in which the upper surface of the neck portion 216 is in contact with each other when the neck portion 216 of the filter cartridge 200 is upwardly pressed, the neck portion 216. It is preferable to have a shape having the same flatness as the upper surface of.

On the other hand, a spring 120 is interposed between the main body housing 100 and the opening / closing cylinder 114.

The spring 120 is compressed and deformed by the opening and closing cylinder 114 moved upward when the filter cartridge 200 is mounted, and exhibits an elastic restoring force for restoring to its original state from the compression deformation state when the filter cartridge 200 is dismounted. It is an elastic member that serves to move the opening and closing cylinder 114 downward.

Here, the spring 120 is provided with a locking portion on the upper surface of the protrusion step 116 of the opening and closing cylinder 114 mentioned above.

In the present embodiment, a compression coil spring having a metal or a synthetic resin material may be used as the spring 120, but is not necessarily limited thereto. An elastic member having a ring shape may impart an elastic force to the opening and closing cylinder 114. Any of these can be used.

Here, the protrusion step 116 of the opening and closing cylinder 114 will be described. The protrusion step 114 is a type of valve for opening or closing the internal flow path opening and closing passage 109 formed in the main body housing 100 in addition to providing a locking portion to the spring 120 at the bottom of the spring 120. It plays an important role as a gate. To this end, the side surface of the protrusion step 114 may have a size and shape corresponding to the internal passage opening and closing passage (109).

Here, briefly look at the operation relationship between the protrusion step 116 of the opening and closing cylinder 114, and the internal flow path opening and closing passage 109, first, when the filter cartridge 200 is mounted, that is, the filter cartridge 200 is the main body housing ( When it is separated from the 100, the opening and closing cylinder 114 is supported by the spring 120 to move downward. Accordingly, the protrusion step 116 moves downward to block the internal passage opening and closing passage 109.

On the contrary, when the filter cartridge 200 is mounted, that is, when the filter cartridge 200 is coupled to the main body housing 100, the opening and closing cylinder 114 is upward of the neck part 216 of the filter cartridge 200. Move upward by pressurization. Accordingly, the protrusion step 116 moves upward to open the internal passage opening and closing passage 109.

Furthermore, in order to maximize the effect of preventing leakage according to the present invention, a sealing material (eg, polyurethane or ceramic) having a leakage preventing function may be coated on the side surface of the protrusion step 116.

Next, the fixing means 130 is a means for adjusting the coupling or release of the main body housing 100 and the filter cartridge 200, the guide member 138 to move up and down along the guide groove 132, guide groove 132 ) And a fixing member 136 for coupling and releasing the body housing 100 and the filter cartridge 200 in association with the vertical movement of the guide member 138.

Here, the guide groove 132 has a long groove formed in the upper direction in the lower surface of the main body housing 100, the through hole 134 through which a predetermined diameter hole from the upper inner side of the long groove to the chamber 110 through ) Is provided.

The guide member 138 has a concave groove 139 inward in the upper end portion, and is inserted along the guide groove 132 to move up and down. The concave groove 139 may have a radius of curvature having a diameter equal to or greater than the outer diameter of the fixing member 136 to be described later. This is to effectively press the fixing member 136 to the side by the vertical movement of the guide member 138.

And the fixing member 136 is interlocked with the vertical movement of the guide member 138, through the through hole 134 into the fixing groove 218 of the neck (neck) of the filter cartridge 200 (216) or By being pulled out, the main body housing 100 and the filter cartridge 200 are coupled to and released from the member.

Looking briefly at the operation relationship of the fixing means 130, when the filter cartridge 200 is separated, the guide member 138 is left to protrude to the lower side of the lower surface of the main body housing 100 by its own weight load, When the filter cartridge 200 is coupled to the present embodiment, the guide member 138 receives upward pressure by the upper surface of the filter cartridge 200 and moves upward along the guide groove 132.

At this time, the concave groove 139 of the guide member 138 presses the fixing member 136 to the side, the fixing member 136 through the through hole 134 the filter cartridge 200 neck portion 216 It is drawn into the fixing groove 218 of the). And the guide member 138 is moved upward to the end along the guide groove 132, to block the fixing member 136 is drawn out from the fixing groove 218.

Hereinafter, referring to FIGS. 2 to 4 in parallel, the operational relationship of coupling the filter cartridge by using the present embodiment will be briefly described by dividing into three operational states before the filter cartridge is combined, during the intermediate process, and after the coupling.

 [First Operation: Before Filter Cartridge Coupling]

2 is a first operating state diagram illustrating an operation relationship before the filter cartridge is coupled in one embodiment of the filter cartridge coupling device according to the present invention.

Referring to FIG. 2, the opening and closing cylinder 114 is supported by a spring 120 interposed on a gap with the main body housing 100 and moved downward by the pressing of the spring 120 elastically restored. You can check it.

In addition, it can be seen that the protrusion step 116 of the opening and closing cylinder 114 blocked the internal passage opening and closing passage 109 of the main body housing 100.

As a result, the internal flow passages 107 and 108 connected to the inlet 102 and the outlet 104 are blocked from the inlet port 212 and the outlet port 214 on the filter cartridge 200 side, and leakage is prevented.

 [Second Operation State: Intermediate Process of Filter Cartridge Coupling]

FIG. 3 is a second operation state diagram illustrating an operation relationship of an intermediate process in which a filter cartridge is coupled in the embodiment shown in FIG. 2.

 Referring to Figure 3, the filter cartridge 200, the neck portion 216 presses the opening and closing cylinder 114 upward, to confirm the state that the opening and closing cylinder 114 supported by the spring 120 is moved upward by a certain height. Can be.

In addition, the side surface of the protrusion step 116 formed in the opening and closing cylinder 114 is separated from the inner passage opening and closing passage 109, it can be seen that the inner passage opening and closing passage 109 is opened.

Due to the opening of the internal passage opening and closing passage 109, the inlet passages 102 and the inlet passages 107 and 108 connected to the outlet opening 104 are the inlet port 212 and the outlet port 214 on the filter cartridge 200 side. Connected with.

[Third operating state: after filter cartridge is combined]

FIG. 4 is a third operation state diagram illustrating an operation relationship after the filter cartridge is coupled in the embodiment shown in FIG. 2.

3, the internal passage opening and closing passage 109 is already opened, and the internal passages 107 and 108 connected to the inlet 102 and the outlet 104 are inlet ports on the filter cartridge 200 side. Since it is also connected to the 212 and the water outlet port 214, in the third operating state, only the operation relationship for the coupling of the main body housing 100 and the filter cartridge 200 will be briefly described with reference to FIG.

Referring to FIG. 4, when the filter cartridge 200 is mounted below the main body housing 100, upward pressurization of the neck 216 of the filter cartridge 200 occurs, and thus the opening and closing cylinder 114 moves upward to the end. You can see how. And the spring 120 interposed between the main body housing 100 and the opening and closing cylinder 114 can be confirmed as the state of the maximum compression deformation (the restoring force of the spring 120 at the time of taking off the filter cartridge 200, the opening and closing cylinder A driving force for moving the 114 downward.

In this operating state, the guide member 138 receives upward pressure by the upper surface of the filter cartridge 200 and moves upward along the guide groove 132.

The fixing member 136 is pressurized in the horizontal direction by the guide member 138 moved upward, and is introduced into the fixing groove 218 of the neck portion 216 of the filter cartridge 200 through the through hole 134. As a result, the main body housing 100 and the filter cartridge 200 are combined.

2 and 4, the operation relationship of combining the filter cartridge using the present embodiment described with reference to FIGS. 2 to 4 is the same as the operation relationship of separating the filter cartridge in reverse order, so as to avoid duplication of unnecessary contents. Omit this.

In the above described a preferred embodiment of the filter cartridge coupling device according to the present invention.

It is to be understood that the above-described embodiments are illustrative in all aspects and should not be construed as limiting, the scope of the invention being indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: main body housing 102: inlet
104: outlet 107: access euro
108: exit passage 109: internal passage opening and closing passage
110: chamber 114: opening and closing cylinder
116: projection step 120: spring
130: fixing means 132: guide groove
134: through hole 136: fixing member
138: guide member 139: recessed groove
200: filter cartridge 210: filter housing
212: inlet port 214: outlet port
216: neck part 218: fixing groove
220: filter

Claims (7)

A chamber is formed in the inner center, and has an inlet and an outlet at both sides of the outside, and an inlet and an outlet in communication with each outlet, respectively, and at the lower end of the inner passage, the inlet is a filter cartridge side inlet port. And a main body housing forming an internal flow path opening and closing passage connected to the outlet port.
It is supported by a spring interposed in the gap with the main body housing, the lower surface is pressurized or released upward by the mounting or mounting of the filter cartridge, and moves up and down along the chamber to open or block the internal flow path opening and closing passage. Regulating opening and closing cylinder; And
A fixing member is formed to protrude from the lower side of the main body housing to the chamber side, and as the fixing member is inserted into or released from the fixing groove of the filter cartridge neck, coupling or releasing of the main housing and the filter cartridge is performed. Filter cartridge coupling device comprising a; fixing means for adjusting.
The method of claim 1,
The opening and closing cylinder,
And a projection step protruding from a lower end portion to provide a locking portion to the spring interposed on the gap with the main body housing.
The method of claim 2,
The side of the projection step,
And a filter cartridge coupling device having a size and a shape corresponding to the internal passage opening and closing passage so as to block the internal passage opening and closing passage when the opening and closing cylinder moves downward.
The method of claim 3, wherein
The side of the projection step,
Filter cartridge coupling device, characterized in that the sealing material having a leakage preventing function is formed of a coating.
The method of claim 1,
The spring is,
Filter cartridge coupling device, characterized in that the compression coil spring having a metal or synthetic resin material.
The method of claim 1,
Wherein,
A guide groove formed in a recess in an upper direction from a lower surface of the main body housing, and having a through hole penetrated from the upper inner side to the chamber;
A guide member having a concave groove inwardly in an upper end portion and pressed or released by an upper surface of the filter cartridge when the filter cartridge is mounted or demounted to move up and down along the guide groove; And
And a fixing member which is inserted into or drawn out of the fixing groove of the filter cartridge neck part through the through hole in association with the vertical movement of the guide member.
The method according to claim 6,
In the guide member,
And the concave groove has a diameter having a radius of curvature equal to or greater than the outer diameter of the fixing member.

Images