KR102435131B1 - Outdoor water purifier - Google Patents

Abstract

The present invention relates to an outdoor water purifier in which a space is formed in a housing to prevent dew condensation, and triple filtration is performed. It is provided including an outer housing forming a part, a tubular filter installed inside the inner housing and having a first filter medium therein. According to the present invention, since the housing is made of a transparent tritan material, it is strong against heat and dew condensation to maximize the life of the housing, and the state of the filter installed inside can be visually checked without removing the housing, and the outer housing is As a result, a space is formed between the inner housing and the space is filled with a fluid, so it is possible to prevent condensation by minimizing the temperature difference between the inside and outside of the outdoor water purifier, and a filter fixing plate inserted to seal the open both ends of the filter. is provided, not only can the water purification effect be maximized, but also because the first filter medium is provided inside the filter and the second filter material is provided between the filter and the water outlet, filtration can be performed multiple times to maximize the water purification effect Since the inner housing is separated into the first inner housing and the second inner housing, the filter can be easily replaced.

Description

Outdoor water purifier {OUTDOOR WATER PURIFIER}

The present invention relates to an outdoor water purifier. In more detail, it relates to an outdoor water purifier that prevents dew condensation by forming a space in the housing and performs triple filtration.

In an outdoor water purifier that is generally installed outdoors and filters raw water to produce purified water, dew condensation caused by accommodating water therein has been raised as a chronic problem. In addition, as foreign substances contained in raw water are continuously accumulated in the filter as the filter is used, periodic replacement of the filter is required in order to maintain the function of the filter.

In order to solve this problem, Prior Document 1 discloses a water filter having a double filter housing so that an insulating space is formed between the outer housing and the inner housing, but when the filter is installed in a cold space such as a refrigerator, In order to prevent the occurrence of freezing, the condensation phenomenon of the filter was still not solved, and there was a limitation in that the replacement of the filter was inconvenient because the housing was provided with a double.

Through the present invention, it is intended to disclose an outdoor water purifier that minimizes condensation and can easily replace the filter inside the housing.

Prior Document 1: Republic of Korea Patent Publication No. 10-2018-0007663 (published on January 23, 2018) Prior Document 2: Republic of Korea Registered Utility Model No. 20-0459279 (Registered on March 8, 2012)

The technical problem of the present invention is to minimize the dew condensation occurring in the outdoor water purifier.

An object of the present invention is to provide an outdoor water purifier capable of visually checking the state of an internal filter without removing the housing.

Another technical object of the present invention is to provide an outdoor water purifier that maximizes the water purification effect.

Another technical object of the present invention is to provide an outdoor water purifier capable of easily replacing a filter inside a housing.

In order to solve the above problems, the present invention provides an inner housing separated into a first outer housing and a second inner housing, an outer housing that forms a space by being installed on the outside of the inner housing, is installed inside the inner housing and installed inside the first It is provided including a tubular filter provided with a filter medium.

According to the present invention, since the housing is made of a tritan material, it is strong against heat and condensation, and thus the lifespan of the housing can be maximized.

According to the present invention, since the housing is provided with a transparent material, the state of the filter installed therein can be visually checked without removing the housing.

According to the present invention, since the outer housing is provided to form a space between the inner housing and the inner housing and the space is filled with a fluid, it is possible to minimize the temperature difference between the inside and the outside of the outdoor water purifier to prevent dew condensation.

According to the present invention, since the filter fixing plate inserted to seal the open both ends of the filter is provided, the water purification effect can be maximized.

According to the present invention, since the first filter medium is provided inside the filter and the second filter medium is provided between the filter and the water outlet, the filtering operation can be performed multiple times, thereby maximizing the water purification effect.

According to the present invention, since the inner housing is separated into the first inner housing and the second inner housing, the filter can be easily replaced.

1 is an exploded front view showing a coupling relationship between an outer housing and an inner housing of an outdoor water purifier according to an embodiment of the present invention.
2 is a cross-sectional view of an outdoor water purifier according to an embodiment of the present invention.
3 is a perspective view in a state in which the outer housing of the outdoor water purifier according to an embodiment of the present invention is separated.
4 is an exploded perspective view showing a filter and a filter fixing plate of an outdoor water purifier according to an embodiment of the present invention.
5 is an exploded side view illustrating a filter and a filter fixing plate of an outdoor water purifier according to an embodiment of the present invention.
6 is a cross-sectional view showing the flow of water inside the outdoor water purifier according to an embodiment of the present invention.
7 is an enlarged view of an outdoor water purifier according to an embodiment of the present invention.

Objects and effects of the present invention will become clearer through the following detailed description, but the objects and effects of the present invention are not limited only by the following description. In addition, in describing the present invention, if it is determined that a detailed description of a known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement them. However, the present invention may be implemented in various different forms and is not limited to the embodiments disclosed below. In addition, in order to clearly disclose the present invention in the drawings, parts irrelevant to the present invention are omitted, and the same or similar symbols in the drawings indicate the same or similar components.

The term “one end” described below refers to the left direction of FIG. 2 , and “the other end” refers to the right direction of FIG. 2 opposite to the “one end”.

1 is an exploded front view showing a coupling relationship between an outer housing 100 and an inner housing 200 of an outdoor water purifier according to an embodiment of the present invention.

Referring to FIG. 1 , it is formed in a double housing structure including an outer housing 100 and an inner housing 200 according to an embodiment of the present invention. In detail, the inner housing 200 is a configuration in which the filter 300 is installed inside, and the outer housing 100 is installed on the outside of the inner housing 200 to form a space E to prevent dew condensation. is composition.

In more detail, the outer housing 100 is provided with a shape corresponding to the inner housing 200 to be described later and a Tritan (PCT) material, and is configured to be coupled to the outside of the inner housing 200 . As described above, in the outdoor water purifier according to the present invention, both the inner housing 200 and the outer housing 100 are made of a transparent tritan (PCT) material, so that the state of the filter 300 installed therein can be easily checked with the naked eye. be able to

Tritan (PCT) is an eco-friendly new material plastic that combines the advantages of transparent glass and unbreakable plastic. It can be used safely because the environmental hormone bisphenol A is not detected, and it has strong properties against heat and condensation. In addition, it is provided with a transparent material, so you can check the inside with the naked eye.

In a preferred embodiment for the outer housing 100, the outer housing 100 is configured to be separated into a first outer housing 110 and a second outer housing 120 having shapes that correspond to each other inverted in the longitudinal direction. can At this time, the first outer housing 110 has a groove formed in a cross section facing the second outer housing 120 , and the second outer housing 120 has irregularities formed in a cross section facing the first outer housing 110 . As a result, the unevenness of the second outer housing 120 is inserted into the groove of the first outer housing 110 , and the first outer housing 110 and the second outer housing 120 are integrally coupled.

Hereinafter, the configuration of the outdoor water purifier according to an embodiment of the present invention will be described in more detail with reference to FIGS. 2 and 3 .

2 is a cross-sectional view of an outdoor water purifier according to an embodiment of the present invention, and FIG. 3 is a perspective view of the outdoor water purifier according to an embodiment of the present invention in a state in which the outer housing 100 is separated.

2, the outdoor water purifier according to the present invention is formed between the outer housing 100, the inner housing 200 in which the filter 300 is installed, the outer housing 100 and the inner housing 200 It is provided in the space portion (E) and the inner housing 200 is configured to include a filter 300 that primarily filters raw water.

The inner housing 200 has a configuration in which the filter 300 is installed therein. In detail, an inlet 211 through which raw water is introduced is provided at one end of the inner housing 200 , and an outlet 221 through which purified water is discharged is provided at the other end. As a preferred embodiment for the inlet 211 and the water outlet 221 , the water inlet 211 may further include a water inlet blocking valve V1 that blocks raw water flowing through the inlet 211 , and the water outlet 221 . ) may further include a water outlet shutoff valve V2 for blocking the purified water discharged through the water outlet 221 and a water outlet valve V3 for discharging the liquid or gas introduced into the inner housing 200 .

The inner housing 200 is provided in any one shape of a cylinder and a polygonal pillar, and a space for accommodating the filter 300 to be described later is provided therein. Although the outer shape of the housing 200 is illustrated in a capsule shape in FIG. 2 , the present invention is not limited thereto and may be implemented in various shapes suitable for the size and shape of the space in which the outdoor water purifier is to be installed.

The inner housing 200 of the outdoor water purifier according to the present invention is characterized in that the first inner housing 200 and the second inner housing 220 are integrally coupled by the coupling device 201 .

In detail, the inner housing 200 is provided with a water inlet 211 at one end, a first inner housing 210 having an open other end, and a second inner housing having an outlet 221 at the other end and an open end ( 220), is provided along the outer circumferential surface of the other end of the first inner housing 210 in order to integrally couple the first inner housing 210 and the second inner housing 220, the first having a groove therein A second coupling device 201b is provided along the outer circumferential surface of one end of the coupling device 201a and the second inner housing 210 and has a concave-convex outside. By inserting the unevenness of the second coupling device 201b into the groove of the first coupling device 201a, the first inner housing 210 and the second inner housing 220 are integrally coupled. The groove of the first coupling device 201a and the unevenness of the second coupling device 201b may be formed in plurality, and using this, the first inner housing 210 and the second inner housing 220 are separated or integrated. By combining the filter 300 and the filter media (F1, F2) inside the inner housing 200 can be easily replaced.

In the outdoor water purifier according to the present invention, a partition wall is further formed between the filter 300 installed inside the inner housing 200 and the water outlet 221, so that purified water is stored and the water pressure inside the inner housing 200 is constant. It may be provided to further include a water tank 400 for maintaining and re-filtering raw water.

Referring back to FIG. 2 , the outdoor water purifier according to the present invention is provided so that a space (E) is formed therein. In detail, a space (E) is formed between the inner surface of the outer housing 100 and the outer surface of the inner housing 200, so that the outdoor water purifier is an outer housing 100, a space E, and an inner housing 200 ) is provided to have a triple structure. The formed space portion (E) is configured to be filled with a fluid such as gas or liquid therein, and minimizes the temperature difference between the inside and outside of the outdoor water purifier to prevent dew condensation.

The filter 300 is provided inside the inner housing 200 and is configured to primarily filter raw water flowing into the inner housing 200 through the water inlet 211 to generate purified water. To this end, the filter 300 is provided to collect a plurality of fine through-holes are uniformly formed to collect particles larger than the diameter of the bean-shaped portion. At this time, it is preferable that the through portion is provided to have a diameter smaller than 0.0001 μm. The filter 300 is most preferably provided in a tubular shape with both ends open, but is not limited thereto and may be provided in a cylindrical or polygonal box shape in which only one of both ends is opened, both ends are closed and the inside is empty. It may be provided in a tubular shape.

As a preferred embodiment of the filter 300 , a first filter medium F1 for removing residual organic materials may be provided inside the filter 300 having an empty interior. In this case, the first filter medium F1 is preferably provided to include at least one of activated carbon and a carbon block, but it is sufficient as long as it is capable of removing residual organic matter. As described above, since the first filter medium F1 is provided, it is possible to prevent contamination of purified water by microorganisms that may inhabit the filter 300 or residual organic substances that may remain in the filter 300 .

In another embodiment of the filter 300, the filter 300 may be provided to have a plurality of pleats to more effectively filter raw water. In addition, the filter 300 is provided to have a cross-section of the same size as the outer circumferential surface of the cross-section of the inner housing 200 and a length smaller than the overall length of the inner housing 200, filling the inner cross-section of the inner housing 200. It is preferable that the raw water flowing into the inner housing 200 must pass through the filter 300 by being installed so that a space is formed at the stage. However, the filter 300 is not limited thereto and may be implemented to have a cross section smaller than the outer circumferential surface of the inner housing 200 . In this case, the size of the filter fixing plate 310 to be inserted into the filter 300 , which will be described later. is provided to have the same size as the outer circumferential surface of the cross-section of the inner housing 200 , so that raw water can be prevented from flowing out through the water outlet 221 without passing through the filter 300 . Hereinafter, the filter fixing plate 310 will be described in detail with reference to FIGS. 4 and 5 .

4 is an exploded perspective view showing a filter 300 and a filter fixing plate 310 of an outdoor water purifier according to an embodiment of the present invention, and FIG. 5 is a filter 300 and a filter of an outdoor water purifier according to an embodiment of the present invention. It is an isolated side view showing the fixing plate 310 .

4 and 5, when the filter 300 is implemented in a tubular shape with both ends open, a filter fixing plate 310 is further provided at both ends of the filter 300 to seal the open ends.

The filter fixing plate 310 is inserted into the open end of the filter 300 to seal it, and is configured to fix the filter 300 so as to maintain the space without deforming the shape of the internal space. In detail, the filter fixing plate 310 is provided in a shape corresponding to the outer circumferential surface of the cross-section of the filter 300 , and a plate part 311 and a plate part 311 for preventing raw water from flowing into the open end of the filter 300 . It is provided on the other surface of the filter 300 in a shape corresponding to the inner circumferential surface of the cross-section, and is inserted into one end of the filter 300 to include a fixing part 312 for supporting the filter 300 .

The plate part 311 is configured to seal the open end of the filter 300 . To this end, the plate portion 311 is most preferably provided in a shape corresponding to the outer circumferential surface of the cross-section of the filter 300 , but is not limited thereto, and it is sufficient if it is provided with a size capable of sealing the open end of the filter 300 . The plate part 311 is most preferably made of a material that raw water cannot pass through, such as plastic, rubber, silicone, etc., in order to completely seal the open end of the filter 300, but is not limited thereto, and raw water can pass through and be filtered. It may be provided with a porous material having a plurality of fine through-holes so as to

The fixing part 312 is inserted into one end of the filter 300 to support the filter 300 . As a preferred embodiment for the fixing part 312, the other end is sealed and may be provided in a shape having an empty space inside. At this time, the purified water passing through the filter 300 into which the fixing unit 312 is inserted can pass through the inner space of the fixing unit 312 to be introduced into the filter 300 . To this end, it is preferable that the fixing part 312 is provided with a plurality of fine through-holes uniformly formed similarly to the filter 300 to collect particles larger than the diameter of the through-hole. However, since the fixing part 312 is provided so as not to obstruct the flow of water while supporting the inner space of the filter 300, it is not limited to the above-described embodiment and may be provided in an open shape at the other end. It is sealed and does not have an empty space inside, but may be provided to have a porous material.

As a more preferred embodiment of the filter fixing plate 310 , when the filter 300 is provided in a shape smaller than the inner circumferential surface of the cross-section of the inner housing 200 , the filter fixing plate 310 does not allow purified water to pass through the filter 300 . It may be provided to prevent inflow into the water tank 400 to be described later. In detail, the filter fixing plate 310 is provided in a shape corresponding to the inner circumferential surface of the cross section of the inner housing 200 to form a partition wall of the water tank 400 to be described later. It is provided in a shape corresponding to the inner circumferential surface of the cross-section of 300 and is inserted into the other end of the filter 300 to include a fixing part 312 for supporting the filter 300 .

More specifically, in this case, the plate part 311 is configured to seal the other open end of the filter 300 and divide the inner space of the inner housing 200 so that the water tank 400 is formed. For this purpose, the plate portion 311 is most preferably provided in a shape corresponding to the inner circumferential surface of the cross-section of the inner housing 200 , but is not limited thereto, and it is sufficient if it is provided with a size capable of sealing the other open end of the filter 300 . . When the plate portion 311 is provided with a size smaller than the inner circumferential surface of the cross-section of the inner housing 200 , a separate partition wall is installed inside the housing 100 to form the water tank 400 . In order to prevent the raw water from flowing into the water tank 400 without going through the filter 300, the plate part 311 has a portion that does not correspond to the other open end of the filter 300 through which raw water such as plastic, rubber, and silicone passes. It is provided with a material that cannot be used, and a portion corresponding to the other open end of the filter 300 is provided with a porous material so that raw water filtered primarily through the filter 300 can be introduced into the water tank 400 . Most preferred. However, the present invention is not limited thereto, and the plate portion 311 may be made of a porous material having a plurality of fine through-holes so that the raw water passes through and can be filtered and then introduced into the water tank 400 even if it does not go through the filter 300 . have.

The fixing part 312 is inserted into the other end of the filter 300 to support the filter 300 . As a preferred embodiment for the fixing part 312, one end is sealed and may be provided in a shape having an empty space therein. At this time, the purified water passing through the filter 300 in which the fixing part 312 is inserted can pass through the inner space of the fixing part 312 to be introduced into the water tank 400 . To this end, it is preferable that the fixing part 312 is provided with a plurality of fine through-holes uniformly formed similarly to the filter 300 to collect particles larger than the diameter of the through-hole. However, since the second fixing part 220 is provided so as not to obstruct the flow of water while supporting the inner space of the filter 300, it is not limited to the above-described embodiment and may be provided in an open shape at the other end, The other end is sealed and does not have an empty space inside, but may be provided to have a porous material.

The water tank 400 is provided between the other end of the filter 300 and the water outlet 121 to store purified water to maintain a constant water pressure inside the housing 100 . In detail, as the plate portion 311 of the filter fixing plate 310 is provided to have the same size as the outer circumferential surface of the cross-section of the inner housing 200, the water tank 400 is formed by dividing the space inside the inner housing 200. do. However, the present invention is not limited thereto, and a partition wall for forming the water tank 400 is separately installed inside the inner housing 200 so that the plate portion 311 of the filter fixing plate 310 is formed on the outer circumferential surface of the cross section of the inner housing 200 . Even if it is provided with a size smaller than the size of , the water tank 400 may be formed.

When the water tank 400 is provided as described above, a second filter medium F2 is further provided in the water tank 400 to effectively purify the raw water.

In detail, the second filter medium F2 is provided in the inside of the water tank 400 (or in the space between the filter 300 and the water outlet 221 when the water tank 400 is not provided separately), so that the filter ( 310) and is configured to re-filter the purified water stored in the water tank 400 . The second filter medium F2 has a porous ceramic ball shape including at least one of silver (Ag), calcium (Ca), magnesium (Mg), sodium (Na), potassium (K), silicon dioxide (Sio2), and inorganic ions. It is most preferable to be provided with However, the second filter medium F2 is not limited thereto, and a configuration capable of removing trace amounts of heavy metals remaining in purified water is sufficient.

6 is a cross-sectional view illustrating the flow of water inside the outdoor water purifier according to an embodiment of the present invention, and FIG. 7 is an enlarged view of the outdoor water purifier according to an embodiment of the present invention.

Hereinafter, a process in which water is purified inside the outdoor water purifier according to an embodiment of the present invention will be described in detail with reference to FIG. 6 . In FIG. 6, reference numerals have been excluded to facilitate the identification of the flow of water.

Referring to FIG. 6 , raw water is introduced into the inner housing 200 through an inlet 211 provided at one end of the inner housing 200 . The introduced raw water moves to the inside of the filter 300 and is primarily filtered, and the first filter medium F1 provided in the filter 300 adsorbs contaminants such as residual microorganisms, thereby being secondarily filtered. Thereafter, the purified water passing through the filter 300 adsorbs heavy metals and the like tertiarily by the second filter medium F2 provided in the space between the filter 300 and the water outlet 221 (or the water tank 400), and finally The filtered purified water is discharged to the outside of the outer housing 200 through the water outlet 221 . As described above, since the outdoor water purifier according to the present invention performs filtration at least three times, it is possible to effectively purify raw water.

Referring to FIG. 7 , in order to more effectively prevent dew condensation, the outdoor water purifier according to the present invention measures the first temperature sensor S1 for measuring the external temperature of the external housing 100 and the internal temperature of the internal housing 200 . A second temperature sensor (S2) for measuring is further provided, and the space (E) may be provided with a heating wire (L) that is electrically connected to the first temperature sensor (S1) and the second temperature sensor (S2) to operate. have. In detail, when the measured value of the first temperature sensor (S1) is higher than the measured value of the second temperature sensor (S2), the heating wire (L) operates to heat the fluid filled in the space (E) inside the outdoor water purifier Minimize the temperature difference between the

The first temperature sensor S1 and the second temperature sensor S2 may be provided in plurality, and when the first temperature sensor S1 and the second temperature sensor S2 are provided in plurality, the heating wire L is It may be divided into several sections so as to be electrically connected to the first temperature sensor S1 and the second temperature sensor S2 different for each section. In this case, even if the outdoor water purifier is manufactured in a large size, according to the measured values of the first temperature sensor S1 and the second temperature sensor S2 measured for each section, the corresponding hot wire L is provided for each section. By operating to heat the air layer (E), it is possible to effectively prevent dew condensation.

The above-described preferred embodiments of the present invention have been disclosed for purposes of illustration, and various modifications, changes and additions may be made by those skilled in the art with respect to the present invention within the spirit and scope of the present invention. It should be considered as belonging to the scope of the above claims. In addition, a person of ordinary skill in the art to which the present invention pertains, various substitutions, modifications and changes are possible without departing from the technical spirit of the present invention. It is not limited.

In the exemplary system described above, the methods are described on the basis of a flowchart as a series of steps or blocks, however, the present invention is not limited to the order of steps, and some steps may occur in a different order or concurrently with other steps as described above. can In addition, those skilled in the art will understand that the steps shown in the flowchart are not exhaustive and that other steps may be included or that one or more steps in the flowchart may be deleted without affecting the scope of the present invention.

100: outer housing
110: first outer housing 120: second outer housing
200: inner housing
210: first inner housing 220: second inner housing
201a: first coupling device 201b: second coupling device
211: inlet 221: outlet
V1: Inlet shutoff valve V2: Outlet shutoff valve
V3: drain valve 300: filter
310: filter fixing plate 311: plate part
312: fixing part 400: water tank
F1: first filter medium F2: second filter medium
E: space part L: heated wire
S1: first temperature sensor S2: second temperature sensor

Claims (7)

An inner housing 200 having an inlet port 211 at one end and an outlet port 221 at the other end having any one shape of a cylinder and a polygonal column, and made of a tritan (PCT) material;
The outer housing 100 is provided with a shape corresponding to the inner housing 200 and a Tritan (PCT) material, coupled to the outside of the inner housing 200; and
The size of the outer circumferential surface of the cross section is provided so as to be the same as the inner circumferential surface of the cross section of the inner housing 200, is installed inside the inner housing 200, through the water inlet 211 to the inside of the inner housing 200 It includes a tubular filter 300 that filters the incoming raw water to generate purified water,
A first filter medium (F1) including at least one of activated carbon and a carbon block is provided inside the filter 300,
In the space between the filter 300 and the water outlet 221, at least one of silver (Ag), calcium (Ca), magnesium (Mg), sodium (Na), potassium (K), silicon dioxide (Sio2), and inorganic ions A second filter medium (F2) in the shape of a porous ceramic ball including one is provided to perform filtration of raw water multiple times,
An outdoor water purifier, characterized in that a space (E) is provided between the outer housing (100) and the inner housing (200), and gas or liquid is filled in the space (E).
delete The method of claim 1,
A filter fixing plate 310 installed at both ends of the filter 300 is further provided,
The filter fixing plate 310 is,
a plate part 311 provided in a shape corresponding to the outer circumferential surface of the cross-section of the filter 300 to prevent the raw water from flowing into the open end of the filter 300; and
It is provided on the other surface of the plate part 311 in a shape corresponding to the inner circumferential surface of the cross-section of the filter 300 and is inserted into one end of the filter 300 and includes a fixing part 312 for supporting the filter 300 . Outdoor water purifier, characterized in that provided.
The method of claim 1,
a first temperature sensor (S1) installed on the outer surface of the outer housing (100) to measure the outside temperature of the outer housing (100);
a second temperature sensor (S2) installed inside the inner housing 200 to measure the temperature inside the inner housing 200;
It is provided in the space part (E), is electrically connected to the first temperature sensor (S1) and the second temperature sensor (S2), the first temperature sensor (S1) and the second temperature sensor (S2) Outdoor water purifier, characterized in that it further comprises a heating wire (L) for increasing the temperature of the space (E) so that the measured value of the same.
The method of claim 1,
The water inlet 211 is further provided with a water inlet shutoff valve (V1) for blocking the raw water flowing in through the water inlet 211,
The water outlet 221 has a water outlet shutoff valve V2 for blocking the purified water discharged through the water outlet 221 and a water outlet valve V3 for discharging the liquid or gas introduced into the inner housing 200. Outdoor water purifier, characterized in that provided.
According to claim 1, wherein the inner housing 200,
It is composed of a first inner housing 210 having the water inlet 211 at one end and an open other end and a second inner housing 220 having an open end and the water outlet 221 at the other end,
It is provided along the outer peripheral surface of the other end of the first inner housing 210 and is provided along the outer peripheral surface of one end of the first coupling device 201a and the second inner housing 220 having a groove therein, and having irregularities on the outside A second coupling device (201b) is further provided,
An unevenness is inserted into the second coupling device 201b in the groove of the first coupling device 201a, so that the first inner housing 210 and the second inner housing 220 are integrally coupled. outdoor water purifier.
According to claim 1, The outer housing 100,
It is configured to be separated into a first outer housing 110 and a second outer housing 120 having shapes corresponding to each other inverted in the longitudinal direction;
The first outer housing 110,
a groove is formed in a cross section facing the second outer housing 120;
The second outer housing 120,
Concavities and convexities are formed on a cross section facing the first outer housing 110;
The irregularities of the second outer housing 120 are inserted into the grooves of the first outer housing 110 so that the first outer housing 110 and the second outer housing 120 are integrally coupled. outdoor water purifier.

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