KR101673608B1 - Apparatus for connecting of filter cartridge of push-button - Google Patents

Abstract

The present invention relates to a filter cartridge coupling device, and more particularly, to a filter cartridge coupling device having a chamber formed at an inner center thereof, an inlet channel and an outlet channel on both sides of the chamber, an inner channel communicated with the inlet and outlet, A main body housing which forms an internal passage opening / closing passage connected to the filter cartridge side entrance port and the water outlet port, and a spring interposed between the main housing and the filter housing, Closing cylinder for adjusting the opening or closing of the internal passage opening / closing passage, and a fixing member protruding from the lower part of the main body housing to the chamber side so as to protrude from the chamber main body, As the locking member is retracted into or removed from the groove, the engagement or disengagement of the main housing and the filter cartridge Depreciation, including the fixing means, does not require a separate tool or by hand to the complex replacement of the filter cartridge, it is possible to shorten the replacement time of the filter cartridge, it is possible to prevent the leak from occurring.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

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 detached, the inflow of raw water is automatically cut off, The present invention relates to a filter cartridge coupling device capable of easily replacing a filter cartridge even with a novice user through a simple push button method as well as a leakage preventing function.

Due to recent serious problems such as ecosystem destruction and environmental pollution, tap water and groundwater supplied to the households contain a large amount of pollutants exceeding the drinking water standard, and the presence of drinking water that can be consumed more and more can become insufficient There is no one outside.

The water purifier is a device designed to solve the social problems related to drinking water. The water purifier is a device that receives undiluted water (hereinafter referred to as "raw water" (Hereinafter referred to as "purified water").

The filter cartridge includes a filter housing having an inlet port for introducing raw water into the inside and an outlet port for discharging purified water to the outside, and a filter incorporated therein.

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

The conventional filter cartridge coupling device has a general structure in which the main body housing has an internal flow path for allowing the raw water to flow out and allowing the purified water to flow out, and a flow path opening / closing valve for allowing or blocking the outflow of raw water and the flow of purified water.

That is, when the filter cartridge is to be replaced by using the conventional filter cartridge coupling device, the flow of the raw water and the flow of the purified water must be blocked by operating the separate flow path switching valve, The operation of the opening / closing valve has caused operational inconvenience that the inflow of raw water and the flow of purified water must be permitted. In addition, such operational inconveniences cause a delay in the replacement time of the filter cartridge, thereby deteriorating user convenience.

In addition, the conventional filter cartridge coupling device has a problem in that when the filter cartridge is replaced, water leakage occurs due to a mistake in the operation of the oil passage opening / closing valve of an untrained worker, a mismatch in operation timing, or the like.

Therefore, considering the fact that most users do not have the skill to change the filter cartridge, there is a need for a filter cartridge coupling device that can replace the filter cartridge more easily and more quickly, And the like.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a filter cartridge coupling device that can easily replace a filter cartridge even in a novice user by using a simple push button method when replacing the filter cartridge. The purpose.

In addition, the present invention provides a filter cartridge coupling device capable of preventing the leakage of water that may occur during the replacement operation of the filter cartridge, by having a structure capable of inflow of raw water and outflow of purified water only when the filter cartridge is mounted The purpose of that is to do.

According to an aspect of the present invention, there is provided an air conditioner comprising a chamber formed at an inner center thereof, an inlet port and an outlet port on both sides of the outside, and an internal flow path communicated with the inlet port and the outlet port, A main body housing which forms an inner passage opening / closing passage at a lower end portion of the inner passage for connecting the inner passage to the filter cartridge side intake port and the water outlet port; And the lower surface of the filter cartridge is pressurized or released upwardly by the attachment or detachment of the filter cartridge to move up and down along the chamber to open or shut off the inner channel opening / An opening / closing cylinder to be adjusted; And a fixing member protruding from the lower side of the main body housing toward the chamber side so as to engage or disengage the main body housing and the filter cartridge as the fixing member is inserted into or released from the fixing groove of the filter cartridge neck portion, And a fixing means for adjusting the diameter of the filter cartridge.

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

At this time, it is preferable that the side surface of the projection step has a size and shape corresponding to the internal passage opening / closing passage so as to block the internal passage opening / closing passage when the opening / closing cylinder moves downward.

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

The spring may be a compression coil spring having a metal or synthetic resin material.

According to a preferred embodiment, the fixing means comprises: a guide groove portion formed in an upper direction on a lower surface of the main body housing, the guide groove portion having a through hole extending from the upper end to the chamber; A guide member having a concave groove inwardly at an upper end thereof and being pressed or released by the upper surface of the filter cartridge when the filter cartridge is mounted or detached and moving up and down along the guide groove; And a fixing member interlocked with the upward and downward movement of the guide member and being drawn in or drawn out into the fixing groove of the filter cartridge neck portion through the through hole.

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

According to the filter cartridge coupling device of the present invention, no separate tool or complicated replacement operation is required at the time of detaching or assembling the filter cartridge, so that the replacement operation time is shortened and the novice user can quickly and easily replace the filter cartridge So that the user convenience is improved.

In addition, according to the filter cartridge coupling device of the present invention, when the filter cartridge is mounted, the raw water can flow in and the purified water can flow out only when the filter cartridge is mounted, Lt; / RTI >

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a sectional view of an internal structure of a filter cartridge coupling device according to an embodiment of the present invention. FIG.
Fig. 2 is a first operating state view illustrating an operation relationship before the filter cartridge is engaged in an embodiment of the filter cartridge coupling device according to the present invention. Fig.
FIG. 3 is a second operating state diagram illustrating the operation of the intermediate process in which the filter cartridge is engaged in the embodiment shown in FIG. 2; FIG.
Fig. 4 is a third operating state view shown to illustrate the operational relationship after the filter cartridge is engaged in the embodiment shown in Fig. 2; 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 become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. It should be understood, however, that the invention is not limited to the disclosed embodiments, but is capable of many different forms and should not be construed as limited to the embodiments set forth herein; It is intended that the disclosure of the present invention be limited only by the terms of the appended claims. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an internal cross-sectional structural view illustrating an embodiment of a filter cartridge coupling apparatus according to the present invention. FIG. These drawings are shown for the purpose of conceptual clarification of the constituent relationships of the present invention, and as a result various variations of the illustrations are expected, and need not be limited to the specific forms shown.

As shown in FIG. 1, the present embodiment includes a main body housing 100 which forms an outer shell, a main body 100 which is vertically movable along the inner chamber 110 of the main body housing 100, Closing cylinder 114 and fixing means 130 for coupling the filter cartridge 200 to the main body housing 100. [

The outer shape of the main body housing 100 is shown in FIG. 1 as having an upper portion and an outer peripheral portion which are perpendicular to each other. However, the present invention is not limited thereto, and various embodiments may be used to chamfer the corners It is also acceptable to have a rounded appearance. A chamber 110 is formed at an inner center of the main body housing 100.

Here, the chamber 110 refers to a certain space in the main body housing 100 that provides a space for guiding the opening / closing cylinder 114 to be movable up and down.

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

In addition, on both sides of the main body housing 100, a water inlet 102 and a water outlet 104 are provided. Here, the inlet 102 refers to the inlet of the flow channel into which the raw water flows, and the outlet 104 refers to the outlet of the flow channel after the introduced raw water is purified by the filter 220 in the filter cartridge 200 and then discharged.

The main body housing 100 further includes internal flow passages 107 and 108 including an intake flow passage 107 and an outflow flow passage 108.

Each of the inlet and outlet flow paths 107 and 108 forms respective independent flow paths in the main body housing 100.

One side and the other side of the intake passage 107 are connected to the intake port 102 of the main body housing 100 and the intake port 212 of the filter cartridge 200, One side and the other side of the filter cartridge 200 can be connected to the outlet port 104 of the main body housing 100 and the outlet port 212 of the filter cartridge 200, respectively.

1 that the inlet flow path 107 and the outlet flow path 108 in the present embodiment have an elbow-like flow path in which the respective flow paths are diverted at 90 degrees, but this is a preferred embodiment However, the present invention is not limited to such a shape, and it is also possible to have a curved flow path as well as a shape that is turned at an arbitrary angle through various embodiments

An internal passage opening / closing passage (109) is formed in each of the intake passage (107) and the outflow passage (108). Here, the internal passage opening / closing passage 109 means an inlet and an outlet of a flow passage which is opened to each of the inlet port 212 and the outlet port 214 in each of the inlet flow path 107 and the outlet flow path 108.

The opening and closing cylinder 114 moves upward and downward along the chamber 110 formed in the main body housing 100 to open or shut off 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.1, the shape of the opening and closing cylinder 114 in the present embodiment is such that the shape of the chamber 110 of the main body housing 100 in which the inlet flow path 107 and the outlet flow path 108 are enclosed And therefore, in correspondence with the shape of the chamber 110,

Sectional shape as shown in FIG. However, such a shape is merely exemplary and need not be so limited,

And the like.

Further, the opening and closing cylinder 114 may have a shape that can slide up and down along the chamber 110 without friction on the wall surface. For this purpose, the opening and closing cylinder 114 may be manufactured to have a size equal to or slightly smaller than the size of the chamber 110.

The opening and closing cylinder 114 has a projection step 116 formed at a lower end thereof and formed close to each of the inlet flow path 107 and the outlet flow path 108 side. Here, the purpose, shape, and structure of the projection step 116 will be described later in the description of the spring 120 to be described later.

The lower surface of the opening and closing cylinder 114 is a portion where the upper surface of the neck portion 216 is in contact with the neck portion 216 of the filter cartridge 200 when the neck portion 216 of the filter cartridge 200 is pressed upward. It is preferable to have a shape having the same flatness as that of the upper surface.

On the other hand, a spring 120 is interposed between the main 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 the filter cartridge 200 to its original state under compression and deformation And an elastic member serving to move the opening and closing cylinder 114 downward.

Here, the spring 120 is provided with an engagement portion on the upper surface of the projection step 116 of the opening / closing cylinder 114 mentioned above.

In this embodiment, a compression coil spring having a metal or a synthetic resin material may be used as the spring 120, but it is not necessarily limited thereto, and a ring-shaped elastic member capable of applying an elastic force to the opening / Can be used.

Here, the projection step 116 of the opening / closing cylinder 114 will be described. The protruding step 114 serves to provide an engagement portion to the spring 120 at a lower portion of the spring 120. The protruding step 114 also serves as a kind of valve that opens or closes the internal flow passage 109 formed in the main body housing 100, It plays an important role as a gate. For this, the side surface of the protrusion 114 may have a size and shape corresponding to the internal passage opening / closing passage 109.

First, when the filter cartridge 200 is taken out and removed, that is, when the filter cartridge 200 is moved to the main body housing (not shown) 100, the opening and closing cylinder 114 is elastically moved by the spring 120 and moves downward. Accordingly, the protrusion 116 moves downward to block the inner flow path opening / closing passage 109. [

On the contrary, when the filter cartridge 200 is attached, that is, when the filter cartridge 200 is coupled to the main body housing 100, the opening and closing cylinder 114 is moved upwards of the neck portion 216 of the filter cartridge 200 And is moved upward by pressurization. Therefore, the projection step 116 is moved upward to open the internal flow path opening / closing passage 109. [

Further, in order to maximize the water leakage prevention effect according to the present invention, a sealing material (for example, polyurethane or ceramics) having a water leakage preventing function may be coated on the side surface of the projection step 116.

The fixing means 130 is a means for adjusting the engagement or disengagement between the main housing 100 and the filter cartridge 200. The fixing means 130 includes a guide groove 132 and a guide member 138 which moves up and down along the guide groove 132 And a fixing member 136 for engaging and disengaging the main body housing 100 and the filter cartridge 200 in conjunction with the upward and downward movement of the guide member 138.

The guide groove 132 has a long groove formed upwardly from the lower surface of the main body housing 100 and a through hole 134 having a predetermined diameter from the inside of the upper end of the long groove to the chamber 110 As shown in Fig.

The guide member 138 has a concave groove 139 inwardly at an upper end thereof and is inserted along the guide groove 132 to move up and down. It is preferable that the concave groove 139 has a radius of curvature equal to or larger than the outer diameter of the fixing member 136, which will be described later. This is to effectively press the fixing member 136 side-by-side by moving the guide member 138 upward and downward.

The fixing member 136 is inserted into the fixing groove 218 of the neck portion 216 of the filter cartridge 200 through the through hole 134 in conjunction with the upward and downward movement of the guide member 138, And is a member that adjusts the engagement and disengagement of the main body housing 100 and the filter cartridge 200 by being pulled out.

When the filter cartridge 200 is detached, the guide member 138 protrudes downward from the lower end surface of the main body housing 100 due to its own weight load, The guide member 138 is upwardly pressed by the upper surface of the filter cartridge 200 and moves upward along the guide groove portion 132 when the filter cartridge 200 is engaged.

At this time, the concave groove 139 of the guide member 138 presses the fixing member 136 to the side, and the fixing member 136 is coupled to the neck portion 216 of the filter cartridge 200 through the through- As shown in Fig. The guide member 138 is moved up to the end along the guide groove 132 to prevent the fixing member 136 from being drawn out from the fixing groove 218.

Hereinafter, with reference to FIG. 2 to FIG. 4, the operational relationship for coupling the filter cartridge using the present embodiment will be briefly described as three operation states before coupling, after coupling, and after coupling.

 [First operating state: Before combining filter cartridge]

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

2, the opening and closing cylinder 114 is resiliently biased by a spring 120 interposed on the clearance between the opening and closing cylinder 114 and the body housing 100, and is moved downward by the urging of the resiliently resilient spring 120 Can be confirmed.

It is also possible to confirm that the projection step 116 of the opening / closing cylinder 114 blocks the internal flow path opening / closing passage 109 of the main body housing 100.

The internal flow paths 107 and 108 connected to the inlet port 102 and the outlet port 104 are blocked from the inlet port 212 and the outlet port 214 on the filter cartridge 200 side to prevent leakage.

 [Second operating state: intermediate process of coupling filter cartridge]

Fig. 3 is a second operational state diagram illustrating the operational relationship of the intermediate process in which the filter cartridge is combined in the embodiment shown in Fig. 2; Fig.

 3, the neck portion 216 of the filter cartridge 200 presses the opening / closing cylinder 114 upward to confirm that the opening / closing cylinder 114 supported by the spring 120 is moved upward by a predetermined height .

The side surface of the projection step 116 formed in the opening / closing cylinder 114 is separated from the internal passage opening / closing passage 109 to confirm that the internal passage opening / closing passage 109 is opened.

Due to the opening of the internal passage opening / closing passage 109, the internal flow passages 107 and 108 connected to the inlet port 102 and the outlet port 104 are connected to the inlet port 212 and the outlet port 214 on the filter cartridge 200 side, Lt; / RTI >

[Third operating state: after coupling the filter cartridge]

Fig. 4 is a third operational state diagram shown to illustrate the operational relationship after the filter cartridge is engaged in the embodiment shown in Fig. 2. Fig.

3, the internal flow path opening / closing passage 109 has already been opened, and the internal flow paths 107, 108 connected to the inlet port 102 and the outlet port 104 are connected to the intake port The operation of the main assembly of the main assembly 100 and the filter cartridge 200 will be briefly described with reference to FIG.

4, upward pressure of the neck portion 216 of the filter cartridge 200 occurs when the filter cartridge 200 is mounted on the lower side of the main body housing 100. This causes the opening and closing cylinder 114 to move upward You can see how it works. The spring 120 interposed between the main housing 100 and the opening and closing cylinder 114 is compressed and deformed as much as possible (the restoring force of the spring 120 at this time, (I.e., a driving force for downward movement of the motor 114).

In this operating state, the guide member 138 is upwardly pressed by the upper surface of the filter cartridge 200 and moves upward along the guide groove portion 132.

The fixing member 136 is horizontally urged by the upwardly moved guide member 138 and is inserted into the fixing groove 218 of the neck portion 216 of the filter cartridge 200 through the through hole 134. Thereby, the main body housing 100 and the filter cartridge 200 are engaged.

2 to 4, the operation of coupling the filter cartridges is the same as the operation of separating the filter cartridges. In order to avoid unnecessary duplication of contents, Omit this.

A preferred embodiment of the filter cartridge coupling apparatus according to the present invention has been described above.

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: body housing 102: inlet
104: Outlet port 107:
108: Outflow channel 109: Internal channel opening /
110: chamber 114: opening / closing cylinder
116: protruding step 120: spring
130: fixing means 132: guide groove
134: through hole 136: fixing member
138: guide member 139: concave groove
200: filter cartridge 210: filter housing
212: incoming port 214: outgoing port
216: neck portion 218: fixing groove
220: Filter

Claims (7)

And an inner flow path communicating with the inlet and the outlet, wherein the inner flow path is provided at a lower end portion of the inner flow path with an inlet port A main body housing forming an inner passage opening / closing passage connected to the outflow port;
And the lower surface of the filter cartridge is pressurized or released upward by the attachment or detachment of the filter cartridge to move up and down along the chamber to open or close the inner channel opening / An opening / closing cylinder for regulating the opening / closing operation; And
And fixing means for adjusting engagement or disengagement of the main housing and the filter cartridge,
Wherein,
A guide groove formed in the upper surface of the lower surface of the body housing and formed with a through hole extending from the upper end to the chamber;
A guide member having a concave groove inwardly at an upper end thereof and being pressed or released by the upper surface of the filter cartridge when the filter cartridge is mounted or detached and moving up and down along the guide groove; And
And a fixing member which is inserted into or pulled out into the fixing groove provided in the filter cartridge through the through hole in conjunction with the upward and downward movement of the guide member.
The method according to claim 1,
In the opening / closing cylinder,
And a protruding step protruding from a lower end of the protrusion so as to provide a hooking part on the spring interposed on the gap with the main housing.
3. The method of claim 2,
The side surface of the protrusion-
Wherein the opening / closing cylinder has a size and shape corresponding to the internal passage opening / closing passage so as to block the internal passage opening / closing passage when the opening / closing cylinder moves downward.
The method of claim 3,
The side surface of the protrusion-
Characterized in that a sealing material having a leak-barrier function is coated.
The method according to claim 1,
The spring
Wherein the filter cartridge is a compression coil spring having a metal or synthetic resin material.
delete The method according to claim 1,
In the guide member,
Wherein the concave groove has a diameter which is equal to or larger than an outer diameter of the fixing member.

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