KR100726947B1 - Fixing structure of air filter for air-conditioner and fixing method thereof - Google Patents

Fixing structure of air filter for air-conditioner and fixing method thereof Download PDF

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Publication number
KR100726947B1
KR100726947B1 KR1020050135682A KR20050135682A KR100726947B1 KR 100726947 B1 KR100726947 B1 KR 100726947B1 KR 1020050135682 A KR1020050135682 A KR 1020050135682A KR 20050135682 A KR20050135682 A KR 20050135682A KR 100726947 B1 KR100726947 B1 KR 100726947B1
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South Korea
Prior art keywords
filter
inclined protrusion
air
locking member
receiving groove
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KR1020050135682A
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Korean (ko)
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조남엽
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위니아만도 주식회사
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/36—Modules, e.g. for an easy mounting or transport

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

A fixing structure of an air filter for an air conditioner and a fixing method thereof are provided to couple or decouple a filter in or from a receiving groove thereof by simple pressing in the push and pop-up manner, thereby simplifying the exchange or cleaning of the filter. A fixing structure of an air filter for an air conditioner includes a filter housing(10) formed with a receiving groove(11) for receiving a filter frame(21), wherein the filter frame is mounted with a filter. The receiving groove is mounted with a supporting bar(13) elastically supported by an elastic element(12) on a bottom surface, and a one-touch locking element(14) at least on a surface. The filter frame is formed with first and second slant protrusions(22,23) with a predetermined interval at least at a surface, so that the slant protrusions are coupled or released with or from the one-touch locking element.

Description

에어컨의 필터 고정구조 및 그 고정방법{FIXING STRUCTURE OF AIR FILTER FOR AIR-CONDITIONER AND FIXING METHOD THEREOF}FIXING STRUCTURE OF AIR FILTER FOR AIR-CONDITIONER AND FIXING METHOD THEREOF

도 1은 일반적인 패키지형 에어컨의 구성을 보인 사시도.1 is a perspective view showing the configuration of a typical packaged air conditioner.

도 2는 일반적인 패키지형 에어컨의 필터하우징과 필터의 수납 구조를 보인 사시도.Figure 2 is a perspective view showing the housing structure of the filter housing and the filter of a typical packaged air conditioner.

도 3은 본 발명의 실시예에 따라 필터가 필터하우징에 체결된 상태를 보인 요부 단면도.Figure 3 is a cross-sectional view of the main part showing a state in which the filter is fastened to the filter housing in accordance with an embodiment of the present invention.

도 4는 본 발명의 실시예에 따라 필터가 필터하우징에서 체결 해제되는 상태를 보인 요부 단면도.Figure 4 is a sectional view of the main part showing a state in which the filter is released from the filter housing in accordance with an embodiment of the present invention.

도 5는 본 발명의 실시예에 따라 필터가 필터하우징에서 해제된 상태를 보인 요부 단면도.Figure 5 is a cross-sectional view of the main portion showing a state in which the filter is released from the filter housing in accordance with an embodiment of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 필터하우징 11 : 수납홈10: filter housing 11: storage groove

12 : 탄성부재 13 : 지지바12: elastic member 13: support bar

14 : 록킹부재 15 : 록커14: locking member 15: rocker

20 : 필터 21 : 필터프레임20: filter 21: filter frame

22 : 제1경사돌기 23 : 제2경사돌기22: first inclined protrusion 23: second inclined protrusion

본 발명은 공기청정기능의 독립운전이 가능한 패키지 에어컨에 있어서, 공기정화용 필터하우징에 형성된 수납홈에 필터가 슬라이딩 삽탈될 때, 푸시 앤 팝업(PUSH AND POP-UP) 형식과 같이 가압에 의해서 필터를 수납홈에 간편하게 체결 및 해제할 수 있도록 한 에어컨의 필터 고정구조 및 그 고정방법에 관한 것이다.According to the present invention, in a package air conditioner capable of independent operation with an air cleaning function, when a filter is slidably inserted into or received from a housing groove formed in an air purifying filter housing, the filter is pressurized as in a push and pop-up type. It relates to a filter fixing structure of the air conditioner to be easily fastened and released to the receiving groove and its fixing method.

일반적으로 에어컨은 냉매가스를 이용한 열교환 원리를 이용하여 냉풍을 실내에 공급하는 것으로서, 최근에는 에어컨 내부에 공기 냉방을 위한 송풍용 팬과 별도로 공기정화를 위한 송풍용 팬을 함께 설치하여 공기 냉방기능과 공기 정화기능을 동시에 또는 하나의 기능을 단독으로 수행할 수 있게 하는 패키지형 에어컨이 출시되고 있다.In general, an air conditioner supplies cooling air to a room using a heat exchange principle using refrigerant gas. Recently, an air cooling function and an air cooling fan are installed by installing an air cooling fan separately from a blowing fan for air cooling. Packaged air conditioners have been introduced to allow air purification to be performed simultaneously or in a single function.

도 1은 이러한 패키지형 에어컨의 구조를 보인 사시도로서, 도 1을 참조하면, 하부 및 중심부에 각각 냉방용 송풍기(미도시) 및 공기정화용 송풍기(미도시)가 동시에 구비되고, 냉방용 송풍기가 작동할 경우 에어컨의 측/하부에 마련된 냉방용 공기 흡입구(1)를 통해 공기가 유입되어 열교환기(미도시)에 의해 차가워진 공기가 냉방공기 토출구(2)를 통해 배출되는 한편, 공기정화용 송풍기가 작동할 경우 에어컨의 전방에 마련된 정화공기 유입구(3)를 통해 유입된 공기는 소정의 필터링 과정을 거친 후 정화공기 토출구(4)를 통해 배출되고 있다.1 is a perspective view showing the structure of such a packaged air conditioner, referring to FIG. 1, a cooling blower (not shown) and an air purifying blower (not shown) are respectively provided at a lower portion and a central portion thereof, and a cooling blower is operated. When the air flows through the cooling air inlet (1) provided in the side / bottom of the air conditioner, the air cooled by the heat exchanger (not shown) is discharged through the cooling air discharge port (2), while the air purifier blower In operation, the air introduced through the purified air inlet 3 provided in front of the air conditioner is discharged through the purified air outlet 4 after a predetermined filtering process.

이와 같은 패키지형 에어컨에 있어서 공기청정기용 필터의 고정구조는 도 2 에 도시된 바와 같다.In the packaged air conditioner, the fixing structure of the filter for the air cleaner is as shown in FIG. 2.

도 2를 참조하면, 에어컨의 내부에 장착되는 그릴(5)은 그 양측면에 공기를 흡입할 수 있도록 하는 흡입구(1)를 구비하고 있고, 상측에는 각종 필터를 고정하기 위한 필터하우징(10)이 일체로 구비되어 있다.Referring to FIG. 2, the grill 5 mounted inside the air conditioner includes a suction port 1 for sucking air on both sides thereof, and a filter housing 10 for fixing various filters on the upper side thereof. It is provided integrally.

일 예로써 필터는 도시된 바와 같이 프리필터(PREFILTER)라고 불리는 제1필터(20)와, 헤파필터(HEPAFILTER)라고 불리는 제2필터(6)를 구비하고 있는데, 통상 제1필터(20)는 초기 흡입되는 공기의 큰 먼지를 걸러주게 되고, 제2필터(6)는 미세 먼지를 걸러주거나 항균기능이나 탈취기능 또는 집진기능 등을 갖춘 기능성 필터로 된다.As an example, the filter includes a first filter 20 called a prefilter and a second filter 6 called a HEPAFILTER as shown in the drawing. The large amount of dust that is initially sucked by the air is filtered out, and the second filter 6 filters out the fine dust or becomes a functional filter having an antibacterial function, a deodorizing function or a dust collecting function.

여기에서 제1필터(20)(이하, '필터'라 약칭함)는 공기 중에 포함된 먼지를 1차로 걸러주기 때문에 자주 교체해 주어야 하는데, 종래 필터(20)의 고정방법은 도 2에 도시된 바와 같이 필터하우징(10)에 마련된 수납홈(11)에 슬라이딩 방식으로 필터(20) 끼워 넣거나 뺄 수 있도록 하고 있으며, 그 특성상 에어컨의 분리 과정 없이 소비자가 쉽게 빼고 넣을 수 있도록 설계되어 있다.Here, the first filter 20 (hereinafter, abbreviated as 'filter') needs to be frequently replaced because it primarily filters dust contained in the air, and a fixing method of the conventional filter 20 is shown in FIG. 2. As described above, the filter 20 can be inserted into or removed from the receiving groove 11 provided in the filter housing 10 in a sliding manner, and is designed to be easily removed and inserted by the consumer without separating the air conditioner.

그러나, 종래 필터의 교체 방법은 소비자가 직접 필터를 잡아 당겨서 빼는 형식으로 되어 있기 때문에 불편한 문제점이 있으며, 또한 세척하거나 교체한 필터를 다시 끼워 넣을 경우에도 어느 정도까지 밀어 넣어야 하는지를 가늠할 수 없기 때문에 사용상 많은 불편함이 있다.However, the conventional filter replacement method is inconvenient because the consumer pulls out the filter directly, and it is inconvenient to use the filter. There is discomfort.

상기와 같은 문제점을 해결하기 위한 본 발명은, 필터의 세척이나 교환을 목 적으로 필터하우징으로부터 필터를 제거하고 다시 끼워 넣을 때, 푸시 앤 팝업(PUSH AND POP-UP) 형식과 같이 필터를 가압하면 수납홈에 체결되고, 이를 다시 가압하면 자동으로 체결이 해제될 수 있게 하여 필터를 간편하게 체결 및 분리할 수 있도록 한 에어컨의 필터 고정구조 및 그 고정방법을 제공하는데 그 목적이 있다.The present invention for solving the above problems, when the filter is removed from the filter housing and reinserted for the purpose of cleaning or replacing the filter, when pressing the filter, such as the push and pop-up (PUSH AND POP-UP) type It is an object of the present invention to provide a filter fixing structure and a method of fixing the air conditioner, which are fastened to the receiving groove and pressurized again, so that the fastening can be automatically released.

상기 목적을 달성하기 위한 본 발명에 따른 에어컨의 필터 고정구조는, 필터하우징에 형성된 수납홈에 필터를 내장한 필터프레임이 슬라이딩 삽탈 가능하게 구성되되, 수납홈 저면에 탄성부재로 탄지되는 지지바 및 수납홈의 적어도 하나의 측면에 원터치 록킹부재가 구비되고, 필터프레임의 적어도 하나의 측면에 상기 원터치 록킹부재에 체결 및 해제되도록 소정 간격으로 돌출된 제1경사돌기 및 제2경사돌기가 구비된 것을 특징으로 한다.The filter fixing structure of the air conditioner according to the present invention for achieving the above object, the filter frame incorporating the filter in the storage groove formed in the filter housing is configured to be removable insertion, the support bar which is supported by the elastic member on the bottom of the storage groove and One touch locking member is provided on at least one side of the receiving groove, and at least one side of the filter frame is provided with a first inclined protrusion and a second inclined protrusion which protrude at predetermined intervals so as to be engaged and released to the one touch locking member. It features.

이하, 본 발명의 바람직한 실시예를 첨부된 도 3 내지 도 5에 의해 보다 구체적으로 설명하면 다음과 같다.Hereinafter, the preferred embodiment of the present invention will be described in more detail with reference to FIGS. 3 to 5 as follows.

도 3은 본 발명의 실시예에 따라 필터가 필터하우징에 체결된 상태를 보인 요부 단면도로서, 전술한 도 2에서와 같이 필터(20)가 필터하우징(10)의 수납홈(11)에 안착되어 체결된 상태를 나타낸 것이다.3 is a cross-sectional view illustrating main parts of the filter housing in accordance with an embodiment of the present invention, in which the filter 20 is seated in the receiving groove 11 of the filter housing 10 as shown in FIG. 2. It shows the fastened state.

도 3을 참조하면, 필터(20)는 유연성을 가진 소재이기 때문에 필요로 하는 소정의 형상을 유지하기 위해서 필터프레임(21) 내부에 설치되며, 본 발명의 필터프레임 측면에는 하부가 경사진 제1경사돌기(22)와, 상기 제1경사돌기(22)로부터 소정 거리 이격된 상부에 제2경사돌기(23)가 형성되는데, 상기 제1경사돌기(22) 및 제2경사돌기(23)는 도시하지는 않았지만 양 측면에 구비될 수 있다.Referring to FIG. 3, since the filter 20 is a flexible material, the filter 20 is installed inside the filter frame 21 in order to maintain a predetermined shape. An inclined protrusion 22 and a second inclined protrusion 23 are formed at an upper portion spaced apart from the first inclined protrusion 22 by a predetermined distance, and the first inclined protrusion 22 and the second inclined protrusion 23 are formed. Although not shown, it may be provided on both sides.

한편, 수납홈(11)의 저면에는 코일스프링 또는 판스프링과 같은 탄성부재(12)로 지지되는 지지바(13)가 상/하 방향으로 탄성력을 받을 수 있도록 설치되며, 수납홈(11)의 일 측면 또는 양 측면에는 상기 제1경사돌기(22) 및 제2경사돌기(23)와 상호 대응하는 록킹부재(14)가 구비된다.Meanwhile, a support bar 13 supported by the elastic member 12 such as a coil spring or a leaf spring is installed on the bottom of the accommodation groove 11 to receive an elastic force in an up / down direction, One side or both sides are provided with a locking member 14 corresponding to the first inclined protrusion 22 and the second inclined protrusion 23.

상기 록킹부재(14)는 록킹부재(14)로부토 돌출 및 내입되는 록커(15)를 구비하고 있는데, 즉 록커(15)는 한번 가압하여 누르면 록킹부재(14)의 내부로 들어가서 고정되고 다시 가압하여 누르면 돌출되는 형태의 구성요소로써, 이미 원터치(ONE-TOUCH) 형식의 스위치, 원터치식 필기구 또는 원터치로 개폐되는 도어 등에 응용되고 있는 기술이므로 이에 대한 상세한 설명은 생략한다.The locking member 14 has a locker 15 which protrudes and is embedded into the locking member 14. That is, the locker 15 is pressed once to be pressed into the inside of the locking member 14 to be fixed and pressurized again. As it is a component of the form that is pushed out, it is already applied to a one-touch type switch, a one-touch writing instrument or a door to be opened and closed by one-touch, and thus a detailed description thereof will be omitted.

이와 같은 구조에 의해서, 도 3에 도시된 바와 같이 필터(20)는, 수납홈(11)에 내입된 필터프레임(21)의 제1경사돌기(22)와 제2경사돌기(23) 사이에 록커(15)가 돌출됨으로써 수납홈(11)에 고정될 수 있다.With this structure, as shown in FIG. 3, the filter 20 is disposed between the first inclined protrusion 22 and the second inclined protrusion 23 of the filter frame 21 embedded in the receiving groove 11. As the locker 15 protrudes, the locker 15 may be fixed to the receiving groove 11.

도 4는 본 발명의 실시예에 따라 필터가 필터하우징에서 체결 해제되는 상태를 보인 요부 단면도로서 필터(20)의 푸시(PUSH) 상태를 보인 것이고, 도 5는 본 발명의 실시예에 따라 필터가 필터하우징에서 해제된 상태를 보인 요부 단면도로서, 필터가 팝업(POP-UP)된 상태를 보인 것으로, 본 발명에 의한 필터 고정방법은, 전술한 도 3의 상태와 같이 상기 록커(15)가 제1경사돌기(22)의 압압으로 돌출되어 필터(20)를 고정하는 단계와, 후술하는 도 4 및 도 5의 상태와 같이 제2경사돌기(23)의 압압으로 내입되어 필터(20)의 체결을 해제하는 단계 및 체결이 해제된 필 터(20)가 지지바(13)의 탄발력으로 상승하게 하는 단계를 포함한다.FIG. 4 is a cross-sectional view illustrating main parts of the filter 20 according to an embodiment of the present invention, in which the filter is pushed out of the filter housing, and a filter (PUSH) state of the filter 20 is shown. A cross-sectional view of the main part showing a state of being released from the filter housing, showing a state in which the filter is pop-up (POP-UP), the filter fixing method according to the present invention, the locker 15 as shown in FIG. The step of fixing the filter 20 is projected by the pressure of the first inclined protrusion 22, and inserted into the pressure of the second inclined protrusion 23, as shown in Figures 4 and 5 to be described later to fasten the filter 20 It includes a step of releasing and causing the filter 20, the release of the fastening is lifted by the elastic force of the support bar (13).

즉, 도 4와 같이, 필터(20)를 수납홈에서 빼내기 위해서 필터(20)를 가압하면, 필터프레임(21)을 지지하고 있는 지지바(13)가 하강하면서 탄성부재(12)가 압축되고, 이와 동시에 제2경사돌기(23)의 경사부가 록킹부재(14)의 록커(15)를 눌러서 록커(15)를 록킹부재(14) 내부로 내입 고정시킨다.That is, as shown in FIG. 4, when the filter 20 is pressed to remove the filter 20 from the receiving groove, the elastic member 12 is compressed while the support bar 13 supporting the filter frame 21 descends. At the same time, the inclined portion of the second inclined protrusion 23 presses the locker 15 of the locking member 14 to fix the locker 15 inwardly into the locking member 14.

이 상태에서 필터(20)의 가압 상태를 해제하면, 필터(20)는 지지바(13)의 탄성 복원력에 의해 상승하면서 도 5에서와 같이 록커(15)가 제1경사돌기의 하측에 위치하게 되므로 필터(20)를 수납홈(11)으로부터 자유롭게 분리할 수 있는 상태가 된다.When the pressurized state of the filter 20 is released in this state, the filter 20 is raised by the elastic restoring force of the support bar 13 and the locker 15 is positioned below the first inclined protrusion as shown in FIG. 5. Therefore, the filter 20 is freely separated from the receiving groove 11.

따라서 필터(20)는, 한번 누르면 록킹부재(14)에 의해 제1경사돌기(22)가 고정되고, 다시 한번 누르면, 제2경사돌기(23)에 의해 록킹부재(14)와 제1경사돌기(22)의 록킹 상태를 해제하게 되는 푸시 앤 팝업(PUSH AND POP-UP) 형식으로 인해 간편한 방법으로 수납홈(11)에서 분리될 수 있다.Therefore, when the filter 20 is pressed once, the first inclined protrusion 22 is fixed by the locking member 14, and when pressed again, the locking member 14 and the first inclined protrusion are formed by the second inclined protrusion 23. Due to the PUSH AND POP-UP type which releases the locking state of 22, it may be separated from the receiving groove 11 in a simple manner.

이상의 설명에서 알 수 있는 바와 같이, 본 발명에 따른 에어컨의 필터 고정구조에 의하면, 필터를 세척하거나 교체하기 위해서 필터하우징으로부터 필터를 인출하거나 고정시키고자 할 때, 지지바의 탄성력과 이를 제지하는 록킹부재에 의해 필터가 체결 고정된 상태와 분리된 상태를 쉽게 확인할 수 있고, 또한 필터를 수납홈에서 인출하고자 할 때, 지지바의 탄발력에 의해 필터가 어느 정도 상승한 위치에 있게 되므로 간편하게 필터를 교체할 수 있는 이점이 있다.As can be seen from the above description, according to the filter fixing structure of the air conditioner according to the present invention, when the filter is drawn out or fixed from the filter housing in order to clean or replace the filter, the elastic force of the support bar and the locking to stop it It is easy to check the state where the filter is fastened and separated by the member, and when the filter is withdrawn from the receiving groove, the filter is in a raised position due to the elasticity of the support bar. There is an advantage to this.

Claims (5)

삭제delete 필터를 수용하고 교체 가능하도록 상단이 개방된 수납홈을 구비한 필터하우징과, 상기 수납홈에 슬라이딩 삽탈되도록 필터프레임을 구비한 필터를 포함하며, 상기 수납홈 내에서 필터를 가압함에 따라 필터가 수납홈에 체결 및 체결 해제되게 한 것을 특징으로 하는 에어컨의 공기정화용 필터의 고정 구조에 있어서,A filter housing having a receiving groove having an open top to receive and replace the filter, and a filter having a filter frame to slide in and out of the receiving groove, wherein the filter is accommodated by pressing the filter in the receiving groove. In the fixing structure of the air purifying filter of the air conditioner, characterized in that the fastening and unlocking in the groove, 상기 수납홈 저면에 탄성부재로 탄지되는 지지바 및 수납홈의 적어도 하나의 측면에 원터치 록킹부재가 구비되고, 상기 필터프레임의 적어도 하나의 측면에 상기 원터치 록킹부재에 체결 및 해제되도록 소정 간격으로 돌출된 제1경사돌기 및 제2경사돌기가 구비된 것을 특징으로 하는 에어컨의 필터 고정구조.A one-touch locking member is provided on at least one side of the support bar and the receiving groove which is supported by the elastic member on the bottom of the accommodation groove, and protrudes at a predetermined interval to be engaged and released to the one-touch locking member on at least one side of the filter frame. The filter fixing structure of the air conditioner characterized in that the first inclined protrusion and the second inclined protrusion is provided. 제2항에 있어서, The method of claim 2, 상기 록킹부재에 돌출 및 내입이 반복되는 록커가 구비되고, 상기 록커는 제1경사돌기에 의해 돌출되고 제2경사돌기에 의해 내입되게 한 것을 특징으로 하는 에어컨의 필터 고정구조.The locking member is provided with a locker which is repeatedly projected and embedded in the locking member, wherein the locker protrudes by the first inclined protrusion and is embedded by the second inclined protrusion. 삭제delete 개방된 필터하우징의 수납홈에 필터를 슬라이딩 삽탈할 때, 수납홈 내에서 필터를 가압함에 따라 필터가 수납홈에 체결 및 체결 해제되게 한 것을 특징으로 하는 에어컨의 공기정화용 필터의 고정 방법에 있어서,The method of fixing an air purifying filter for an air conditioner according to claim 1, wherein when the filter is inserted into the storage groove of the opened filter housing, the filter is fastened and released from the storage groove by pressing the filter in the storage groove. 상기 수납홈 저면에 탄성부재로 탄지되는 지지바 및 수납홈의 적어도 하나의 측면에 원터치 록킹부재가 구비되고, 상기 필터프레임의 적어도 하나의 측면에 상기 원터치 록킹부재에 체결 및 해제되도록 소정 간격으로 돌출된 제1경사돌기 및 제2경사돌기가 구비되며, 상기 록킹부재에 돌출 및 내입이 반복되는 록커가 구비되되, 상기 록커는 제1경사돌기의 압압으로 돌출되어 필터를 고정하는 단계; 제2경사돌기의 압압으로 내입되어 필터의 체결을 해제하는 단계; 체결이 해제된 필터가 지지바의 탄발력으로 상승하게 하는 단계를 포함하는 것을 특징으로 하는 에어컨의 필터 고정방법.A one-touch locking member is provided on at least one side of the support bar and the receiving groove which is supported by the elastic member on the bottom of the accommodation groove, and protrudes at a predetermined interval to be engaged and released to the one-touch locking member on at least one side of the filter frame. A first inclined protrusion and a second inclined protrusion are provided, and the locking member is provided with a locker that protrudes and interposes repeatedly, and the locker protrudes by pressing the first inclined protrusion to fix the filter; Incorporating the second inclined protrusion to release the filter; A method of fixing a filter of an air conditioner comprising the step of causing the filter to be released to rise by the elastic force of the support bar.
KR1020050135682A 2005-12-30 2005-12-30 Fixing structure of air filter for air-conditioner and fixing method thereof KR100726947B1 (en)

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KR101477656B1 (en) * 2014-09-05 2014-12-30 이남웅 Air-Filter Unit
WO2022157469A1 (en) * 2021-01-22 2022-07-28 Dyson Technology Limited A filter arrangement for a vacuum cleaning appliance
KR102447466B1 (en) * 2021-11-29 2022-09-23 최락주 Cover of Heat recovery ventilator
CN115341434A (en) * 2022-09-05 2022-11-15 安徽海涵建设工程有限公司 Filling type large-particle-size thickened water-stable layer paving method and device
KR102620113B1 (en) * 2023-06-21 2023-12-29 강동원 Antibacterial filter device of air filter

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JPH02140525A (en) * 1988-11-18 1990-05-30 Sanyo Electric Co Ltd Air filter fixing device
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101477656B1 (en) * 2014-09-05 2014-12-30 이남웅 Air-Filter Unit
WO2022157469A1 (en) * 2021-01-22 2022-07-28 Dyson Technology Limited A filter arrangement for a vacuum cleaning appliance
GB2605749A (en) * 2021-01-22 2022-10-19 Dyson Technology Ltd A filter arrangement for a vacuum cleaning appliance
GB2605749B (en) * 2021-01-22 2023-04-26 Dyson Technology Ltd A filter arrangement for a vacuum cleaning appliance
KR102447466B1 (en) * 2021-11-29 2022-09-23 최락주 Cover of Heat recovery ventilator
CN115341434A (en) * 2022-09-05 2022-11-15 安徽海涵建设工程有限公司 Filling type large-particle-size thickened water-stable layer paving method and device
CN115341434B (en) * 2022-09-05 2023-12-01 安徽海涵建设工程有限公司 Filling type large-particle-size thickening water stable layer paving method and device
KR102620113B1 (en) * 2023-06-21 2023-12-29 강동원 Antibacterial filter device of air filter

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