CN214746420U - Flexible filling type noise eliminator - Google Patents

Flexible filling type noise eliminator Download PDF

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Publication number
CN214746420U
CN214746420U CN202120760912.4U CN202120760912U CN214746420U CN 214746420 U CN214746420 U CN 214746420U CN 202120760912 U CN202120760912 U CN 202120760912U CN 214746420 U CN214746420 U CN 214746420U
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China
Prior art keywords
flexible
silencing
air pipe
guide rail
filling unit
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CN202120760912.4U
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Chinese (zh)
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孔伟涛
周超
詹华
张星
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Ningbo Yuanhaibochuang Technology Co ltd
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Ningbo Yuanhaibochuang Technology Co ltd
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Abstract

The utility model discloses a flexible filling type noise elimination device, which comprises an air pipe and a plurality of flexible noise elimination filling units filled in the air pipe; when the air pipe is installed, the inner wall of the air pipe is provided with a guide rail along the longitudinal axis direction of the air pipe; one end of the guide rail is provided with a limiting plate which is vertical to the axial direction of the guide rail; the flexible silencing filling unit is provided with mounting grooves corresponding to the guide rails and matched with the guide rails; a plurality of silencing inner cores are arranged inside the flexible silencing filling unit at intervals; the silencing inner cores at the same position on the flexible silencing filling units are sequentially arranged along the central axis direction of the air pipe to form an independent channel, and the channel is communicated with the two ends of the air pipe; the structure form of the silencing inner core is various; the utility model discloses a flexible noise elimination filling unit adopts single flexible noise elimination material, directly fills in the tuber pipe for the ventilation system interface is few, can avoid the interface to leak out, can solve the difficult problem of silencer inner core difficult to detach, difficult deashing, and construction cycle is short, energy-conserving to subtract consumes, easily enclosure, and the practicality is high.

Description

Flexible filling type noise eliminator
Technical Field
The utility model belongs to the technical field of the silencer, more specifically relates to a flexible filling formula noise eliminator.
Background
Mufflers are typically provided in front of and behind the fan of a ventilation air conditioning system to control airflow noise. The traditional muffler is widely applied at present in China, such as XZP100 type, XZP200 type and matrix type. It is generally composed of a metal housing, a metal perforated screen, glass wool, etc. During warm ventilation pipe construction, generally arrange tuber pipe and fan earlier to reserve the mounted position of silencer, just so lead to the kneck often because of multiple reasons lead to ventilation system air leakage rate too high, the ventilation air conditioning system energy consumption increases, and the while leaks out and means lou, the radiated noise grow. In addition, the traditional muffler is difficult to disassemble and clean, and has a large number of cleaning dead corners.
Therefore, a novel flexible muffler device which adopts a single material to realize the muffling function, has few interfaces of a ventilation system, is convenient to install and disassemble, has a short construction period, saves energy and reduces consumption is urgently needed.
SUMMERY OF THE UTILITY MODEL
To the above defect or improvement demand of prior art, the utility model provides a flexible filling type noise eliminator, stack up through the air outlet at the tuber pipe through the guide rail and set up a plurality of flexible noise elimination filling unit, the interval establishes a plurality of noise elimination inner cores in flexible noise elimination filling unit module, the noise elimination inner core divides hollow tuber pipe into a plurality of independent passageways, structural style through adjustment noise elimination inner core, its and flexible noise elimination filling unit module outer wall's interval, the thickness of noise elimination inner core itself, noise elimination inner core interval and the quantity of increase and decrease noise elimination inner core and then adjust the noise reduction performance and the insertion loss of noise elimination unit module; the utility model changes the construction and installation mode of the existing silencer, does not need to adopt a metal shell, a perforated screen plate and an inorganic glass fiber material, and realizes the silencing function by adopting a single material; a large amount of hard metal or non-metal materials can be saved, and manufacturing and installation cost and construction period are saved; the utility model discloses simple structure, ann tear the convenience open, compare in traditional muffler module, tear in each side such as maintenance in consumptive material, manufacturing, shape, ann and all have obvious advantage, can solve the difficult problem of silencer inner core difficult to detach, difficult deashing, adopt single material to realize the noise elimination function for the ventilation system interface reduces, can avoid the interface to leak out, and construction cycle is short, energy-conservation subtracts to consume, easily enclosure, and the practicality is high.
In order to achieve the purpose, the utility model provides a flexible filling type muffler device, which comprises an air pipe and a plurality of flexible muffling filling units arranged in the air pipe; wherein the content of the first and second substances,
the inner wall of the air pipe is provided with a guide rail along the longitudinal axis direction of the air pipe;
one end of the guide rail is provided with a limiting plate which is vertical to the axial direction of the guide rail;
the flexible silencing filling unit is arranged in the air pipe through the guide rail;
the flexible silencing filling unit is provided with a mounting groove corresponding to and matched with the guide rail;
a plurality of silencing inner cores are arranged inside the flexible silencing filling unit at intervals.
Furthermore, a plurality of flexible noise elimination filling units are arranged in sequence along the central axis direction of the air pipe.
Furthermore, the silencing inner cores at the same positions on the flexible silencing filling units are sequentially arranged along the central axis direction of the air pipe, and form independent channels.
Further, the channel communicates with both ends of the air duct.
Further, the structure of the silencing inner core is any one of a sheet type, a circular array, a square array, an array circle and an array square.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, can gain following beneficial effect:
(1) the utility model discloses a flexible filling type noise eliminator, the utility model discloses a stack up at the air outlet of tuber pipe and set up a plurality of flexible noise elimination filling unit, set up a plurality of noise elimination inner cores at the interval in flexible noise elimination filling unit module, through the structural style of adjustment noise elimination inner core, its and the flexible noise elimination filling unit module outer wall the interval, the thickness of noise elimination inner core itself, noise elimination inner core interval and increase and decrease the quantity of noise elimination inner core and then adjust the noise reduction performance and the insertion loss of noise elimination unit module; the utility model changes the construction and installation mode of the existing silencer, does not need to adopt a metal shell, a perforated screen plate and an inorganic glass fiber material, and realizes the silencing function by adopting a single material; a large amount of hard metal or non-metal materials can be saved, and manufacturing and installation cost and construction period are saved; for a newly built building adopting a conventional silencer and the noise at an air inlet/air return port after the building is over standard, the original decoration is not required to be removed when the building is required to be modified, the existing suspended ceiling is not required to be damaged, the flexible silencing filling unit can be directly filled into the air pipe through the air port, and the silencing device with stable and reliable performance can be formed and is convenient to install and dismantle.
(2) The utility model discloses a flexible filled noise eliminator establishes the guide rail that supplies flexible noise elimination packing unit installation to slide through the inner wall at the tuber pipe, establishes the limiting plate and inject the mounted position of flexible noise elimination packing unit in the one end of guide rail, ensures that it is located inside the tuber pipe, and on the other hand can guarantee good noise cancelling effect.
(3) The utility model discloses a flexible filling type noise eliminator through establish on flexible noise elimination filling unit with the tuber pipe on the mounting groove of guide rail phase-match installation, changed the construction mounting means of current silencer, overall structure is simple for flexible noise elimination filling unit ann tears the convenience open, maintains conveniently, can solve the difficult problem of the difficult dismantlement deashing difficulty of current silencer inner core, has the practicality.
(4) The utility model discloses a flexible filling formula noise eliminator, the structure of the noise elimination inner core of flexible noise elimination filling unit can be XZP100 type (XZP100 meaning is: for hindering nature piece formula structure, sound absorbing sheet thickness is 100, the standard type) or XZP200 type (XZP200 meaning is: for hindering nature piece formula structure silencer, sound absorbing sheet thickness is 200, the thickening type) the piece formula, also can be the matrix of matrix silencer, can also be circle type array (the hole can be circular or square), square type array (the hole can be square also circular), array is circular or array square, also can be other more complicated forms, it is visible to select various, can be applicable to multiple tuber pipe, satisfy the noise reduction demand of different requirements, the practicality is high.
(5) The utility model discloses a flexible filled noise eliminator, can be applicable to multiple tuber pipes, enlarged the application scope of traditional silencer, the non-metallic air pipe accessible is fit into the tuber pipe by appropriate interference, reduces the interface and can avoid leaking out; the silencer is easy to process, low in processing cost and low in requirements on production equipment, and the problem of manufacturing and processing of silencers with complex structures is solved.
Drawings
Fig. 1 is a schematic structural view of a flexible filling type muffler device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a flexible muffling and filling unit of a flexible filling muffling device according to an embodiment of the present invention;
fig. 3 is a schematic view of an air duct structure of a flexible filling type muffler device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a guide rail and a limiting plate of a flexible filling type muffler device according to an embodiment of the present invention;
FIG. 5 is a schematic view of an installation process of a flexible filling type muffler device according to an embodiment of the present invention (wherein, a is an installation schematic view of a first muffling filling unit, b is an installation schematic view of a second muffling filling unit, and c is an installation schematic view of a third muffling filling unit);
fig. 6 is a schematic view of an installation position of a flexible filling type muffler device in a modification project under the condition that noise does not meet requirements of the present invention;
fig. 7 is a schematic view of the installation position of the flexible muffling and filling unit in the modification project of the flexible filling muffling device according to the embodiment of the present invention when the noise does not meet the requirement;
fig. 8 is a schematic diagram of a perforated form-circular array of the muffling inner core of the flexible filling type muffling device according to the embodiment of the present invention;
fig. 9 is a schematic diagram of a sound-damping inner core hole-type square-circle-type array of a flexible filling type sound-damping device according to an embodiment of the present invention;
fig. 10 is a schematic diagram of a perforated form-array circular structure of a sound-damping inner core of a flexible filling type sound-damping device according to an embodiment of the present invention;
fig. 11 is a schematic diagram of the perforated form-array square structure of the muffling inner core of the flexible filling type muffling device according to the embodiment of the present invention.
In all the figures, the same reference numerals denote the same features, in particular: the novel air-conditioning system comprises 1-air pipe, 11-guide rail, 111-limiting plate, 2-flexible silencing filling unit, 21-first silencing filling unit-, 22-second silencing filling unit, 23-third silencing filling unit, 201-mounting groove, 202-silencing inner core, 3-air port and 4-suspended ceiling.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first", "second", etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "provided" are to be interpreted broadly, for example, as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-9, the utility model provides a flexible filling type muffler device, which comprises an air pipe 1 and a plurality of flexible muffling filling units 2 filled in the air pipe 1; the utility model discloses a stack up at the air outlet of tuber pipe and set up a plurality of flexible noise elimination filling unit, fill the unit module at flexible noise elimination at the interval and establish a plurality of noise elimination inner cores, the noise elimination inner core divides hollow tuber pipe into a plurality of independent passageways, fill the unit module outer wall through the structural style of adjustment noise elimination inner core, its and flexible noise elimination, the thickness of noise elimination inner core itself, noise elimination inner core interval and increase and decrease the quantity of noise elimination inner core and then adjust the noise reduction performance and the insertion loss of noise elimination unit module; the utility model changes the construction and installation mode of the existing silencer, does not need to adopt a metal shell, a perforated screen plate and an inorganic glass fiber material, and realizes the silencing function by adopting a single material; a large amount of hard metal or non-metal materials can be saved, and manufacturing and installation cost and construction period are saved; the utility model discloses simple structure, ann tear the convenience open, compare in traditional muffler module, tear in each side such as maintenance in consumptive material, manufacturing, shape, ann and all have obvious advantage, can solve the difficult problem of silencer inner core difficult to detach, difficult deashing, adopt single material to realize the noise elimination function, the ventilation system interface can avoid the interface to leak out less, construction cycle is short, energy-conservation subtracts to consume, easily enclosure, the practicality is high.
Further, as shown in fig. 1 to 5, the air duct 1 is a hollow rectangular duct, and the inner wall of the air duct 1 is provided with a guide rail 11 for fixing the flexible sound-deadening filling unit 2; the guide rails 11 are arranged along the longitudinal axis direction of the air pipe 1 and are respectively arranged on two opposite inner walls of the air pipe 1; the number of the guide rails 11 is preferably 4, and two guide rails are arranged on each inner wall so as to ensure the overall strength of the silencing device and the installation stability of the flexible silencing filling unit 2; one end of the guide rail 11 is provided with a limiting plate 111 which is perpendicular to the axial direction of the guide rail 11; the guide rail 11 is preferably an angle iron; the guide rail 11 can also position the installation position of the flexible sound attenuation filling unit 2; the flexible silencing filling unit 2 is arranged in the air pipe 1 through a guide rail 11; the limiting plate 111 is used for limiting the position of the flexible silencing filling unit 2 not to exceed the outside of the air pipe 1, so that the flexible silencing filling unit is completely filled in the air pipe 1 to ensure a good silencing effect; the utility model discloses an establish the guide rail that supplies the installation of flexible noise elimination filling unit to slide at the inner wall of tuber pipe, establish the limiting plate in the one end of guide rail and inject the mounted position of flexible noise elimination filling unit, ensure that it is located inside the tuber pipe, reduce the air leakage on the one hand, on the other hand can guarantee good noise cancelling effect.
Further, as shown in fig. 1 to 5, the material of the flexible sound-deadening filling unit 2 is a single material, and may be a foamed rubber sound-absorbing material, a polyester fiber sound-absorbing material, or a polymer cork fiber sound-absorbing material; the utility model can realize the noise elimination function by adopting a single material without adopting a metal shell, a perforated screen plate and an inorganic glass fiber material, thereby saving a large amount of hard metal or non-metal materials, and saving the manufacturing and installation cost and the construction period; the air pipe silencer can be suitable for various air pipes, the application range of a traditional silencer is enlarged, the air pipe can be assembled into a nonmetal air pipe through proper interference fit, and air leakage can be avoided by reducing the connector.
Further, as shown in fig. 1 to 5, the flexible sound attenuation filling unit 2 is a rectangular block, and the rectangular block is provided with a mounting groove 201 corresponding to and matching with the guide rail 11; a plurality of silencing inner cores 202 are arranged inside the rectangular block at intervals; the mounting grooves 201 are symmetrically arranged on two opposite surfaces of the rectangular block; the shape of the mounting groove 201 is matched with the shape of the guide rail 11 and can be mounted on the guide rail 11 of the air duct 1 to slide along the guide rail 11; during installation, the installation groove 201 of the flexible silencing filling unit 2 is aligned to the guide rail 11 of the air duct 1 and inserted into the guide rail 11, and the flexible silencing filling unit 2 is pushed towards the end, provided with the limiting plate 111, of the air duct 1 along the axial direction; the utility model discloses an establish on flexible noise elimination filling unit with the mounting groove of tuber pipe upper guide rail phase-match installation, overall structure is simple for flexible noise elimination filling unit simple to operate dismantles conveniently, maintains conveniently, can solve the difficult problem of the difficult dismantlement deashing difficulty of current silencer inner core, has the practicality.
Further, as shown in fig. 1 to 5, a plurality of flexible sound attenuation filling units 2 are sequentially arranged along the central axis direction of the air duct 1; the silencing inner cores 202 at the same position on the flexible silencing filling units 2 are sequentially arranged along the central axis direction of the air pipe 1, and form independent channels; the channel is communicated with two ends of the air pipe 1; the number of the flexible sound attenuation filling units 2 is preferably 3, and the flexible sound attenuation filling units are respectively a first sound attenuation filling unit 21, a second sound attenuation filling unit 22 and a third sound attenuation filling unit 23; when the air duct is installed, the first silencing and filling unit 21, the second silencing and filling unit 22 and the third silencing and filling unit 23 are sequentially stacked and installed in the air duct 1 from one end of the air duct 1, which is not provided with the limiting plate 111; after the installation is finished, the exposed end face of the first silencing filling unit 21 is attached to the limiting plate 111; after the installation is finished, the silencing inner cores 202 corresponding to the first silencing filling unit 21, the second silencing filling unit 22 and the third silencing filling unit 23 are sequentially arranged along the central axis direction of the air pipe 1 and communicated with the two ends of the air pipe 1; when the flexible silencing filling unit 2 is installed in interference fit with the air pipe 1, a guide rail is not required to be arranged in the air pipe 1; the utility model discloses pile up a plurality of flexible noise elimination packing units in proper order along the longitudinal axis of tuber pipe and install the noise eliminator who forms the bulky in the tuber pipe, can realize multiple noise elimination to improve noise eliminator's whole noise elimination effect.
Further, as shown in fig. 1, 4, 5, and 8-11, the flexible sound attenuation filling unit 2 may be injection molded or cut and machined; the large-size silencing device can be realized by combining the flexible silencing filling units 2; the structure of the silencing inner core 202 of the flexible silencing filling unit 2 can be XZP100 type (XZP100 means that the structure is a resistance sheet type structure, the thickness of a sound absorbing sheet is 100mm and standard) or XZP200 type (XZP200 means that the structure is a resistance sheet type structure silencer, the thickness of the sound absorbing sheet is 200mm and thickened), or can be a matrix type of a matrix silencer, or can be a circular array (an inner hole can be circular or square), a square array (an inner hole can be square or circular), a circular array or a square array, or other more complex forms, so that the flexible silencing filling unit has various visible choices, can be suitable for various air pipes, meets the noise reduction requirements of different requirements, and has high practicability; the noise reduction performance and the pressure loss of the flexible silencing filling unit 2 can be adjusted by adjusting the parallel distance between the central axis of the silencing inner core 202 and the outer wall of the flexible silencing filling unit 2, the thickness of the silencing inner core and the distance between the silencing inner cores.
Further, as shown in fig. 6 and 7, the flexible silencing filling unit 2 enters from the air opening 3 and is installed in the air pipe 1, and is used for reducing noise at the air opening where noise exceeds standard requirements.
The utility model provides a pair of flexible filling type noise eliminator's theory of operation: the air outlet of the air pipe is stacked with a plurality of flexible silencing filling units through guide rails, a plurality of silencing inner cores are arranged in the flexible silencing filling unit modules at intervals, the hollow air pipe is divided into a plurality of independent channels by the silencing inner cores, and the noise reduction performance and the insertion loss of the silencing unit modules are adjusted by adjusting the structural form of the silencing inner cores, the distance between the silencing inner cores and the outer wall of the flexible silencing filling unit modules, the thickness of the silencing inner cores, the distance between the silencing inner cores and the number of the silencing inner cores.
The utility model changes the construction and installation mode of the existing silencer, does not need to adopt a metal shell, a perforated screen plate and an inorganic glass fiber material, and realizes the silencing function by adopting a single material; a large amount of hard metal or non-metal materials can be saved, and manufacturing and installation cost and construction period are saved; the utility model discloses simple structure, ann tear open conveniently, compare in traditional muffler module, all have obvious advantage in each aspect such as consumptive material, manufacturing, shape, ann tear open and maintain, can solve the difficult problem that the silencer inner core is difficult to dismantle, difficult deashing, adopt single material to realize the noise elimination function, the ventilation system interface is few can avoid the interface to leak out, construction cycle is short, energy-conservation subtracts the consumption, easy enclosure; for a newly built building adopting a conventional silencer and the noise at an air inlet/air return port after the building is over standard, the original decoration is not required to be removed when the building is required to be modified, the existing suspended ceiling is not required to be damaged, the flexible silencing filling unit can be directly filled into the air pipe through the air port, and the silencing device with stable and reliable performance can be formed and is convenient to install and dismantle.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims (5)

1. A flexible filled muffler device is characterized in that: comprises an air pipe (1) and a plurality of flexible silencing filling units (2) filled in the air pipe (1); wherein the content of the first and second substances,
the inner wall of the air pipe (1) is provided with a guide rail (11) along the longitudinal axis direction of the air pipe (1);
one end of the guide rail (11) is provided with a limiting plate (111) which is vertical to the axial direction of the guide rail (11);
the flexible silencing filling unit (2) is arranged in the air pipe (1) through the guide rail (11);
the flexible silencing filling unit (2) is provided with a mounting groove (201) corresponding to the guide rail (11) and matched with the guide rail;
a plurality of silencing inner cores (202) are arranged inside the flexible silencing filling unit (2) at intervals.
2. The flexible filled muffler assembly of claim 1 wherein: the flexible silencing filling units (2) are sequentially arranged along the central axis direction of the air pipe (1).
3. A flexible filled muffler assembly according to claim 2 wherein: the silencing inner cores (202) at the same positions on the flexible silencing filling units (2) are sequentially arranged along the central axis direction of the air pipe (1) to form independent channels.
4. A flexible filled muffler assembly according to claim 3 wherein: the channel is communicated with two ends of the air pipe (1).
5. A flexible filled muffler assembly according to any one of claims 1 to 4 wherein: the structure of the silencing inner core (202) is any one of a sheet type, a circular array, a square array, an array circle and an array square.
CN202120760912.4U 2021-04-14 2021-04-14 Flexible filling type noise eliminator Active CN214746420U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120760912.4U CN214746420U (en) 2021-04-14 2021-04-14 Flexible filling type noise eliminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120760912.4U CN214746420U (en) 2021-04-14 2021-04-14 Flexible filling type noise eliminator

Publications (1)

Publication Number Publication Date
CN214746420U true CN214746420U (en) 2021-11-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114646104A (en) * 2022-03-17 2022-06-21 江苏利丰空调科技有限公司 Sheet type silencer capable of being rapidly installed on metal shell for air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114646104A (en) * 2022-03-17 2022-06-21 江苏利丰空调科技有限公司 Sheet type silencer capable of being rapidly installed on metal shell for air conditioner
CN114646104B (en) * 2022-03-17 2023-01-13 江苏利丰空调科技有限公司 Sheet type silencer capable of being rapidly installed on metal shell for air conditioner

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