CN215570975U - Return air case system integrating return air filtering and ceiling internal maintenance functions - Google Patents
Return air case system integrating return air filtering and ceiling internal maintenance functions Download PDFInfo
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- CN215570975U CN215570975U CN202121134010.6U CN202121134010U CN215570975U CN 215570975 U CN215570975 U CN 215570975U CN 202121134010 U CN202121134010 U CN 202121134010U CN 215570975 U CN215570975 U CN 215570975U
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Abstract
The utility model provides a return air box system integrating return air filtration and in-ceiling maintenance functions, which comprises: the air return inlet, the air return box, the access hole and the fan coil; one side surface of the air return box is connected with the fan coil; the air return inlet is arranged at the lower side of the air return box; the maintenance opening is arranged at the upper side of the air return box; the air return inlet is communicated with the access hole along the vertical direction through the air return box. The system has the advantages of easy installation and realization, no need of independently arranging the access hole on the suspended ceiling, and weakening of the influence on the decoration and modeling of the suspended ceiling.
Description
Technical Field
The utility model relates to the field of return air box structures, in particular to a return air box system integrating return air filtering and in-ceiling maintenance functions.
Background
The fan coil is provided with a fan, a valve, a filter and the like are required to be connected to an inlet and outlet water pipeline, and a fire-fighting pipe, a bridge frame, a lamp and the like are arranged in the suspended ceiling and need to be maintained and repaired frequently. But the parts are arranged in the suspended ceiling, and an access hole is additionally arranged on the suspended ceiling for maintenance and repair of the parts. The conventional independently arranged access holes are embedded on the suspended ceiling like patches and cannot be well integrated with the suspended ceiling model.
The maintenance mouth that conventional independent set up can influence whole pleasing to the eye degree because many times dismouting and time still can the deposition around having lasted for a long time the maintenance mouth.
The conventional maintenance port independently arranged above the position cannot be staggered with other ceiling lamps, pipelines and the like, the maintenance port is not well arranged, and the more the number of the fan coils is, the more the above problems are highlighted.
Patent document CN106766073A provides a return air maintenance box of a fan coil, which is sleeved on a fan of the fan coil, and an access door is arranged on one side surface of the return air maintenance box to provide a channel for maintaining the fan coil.
Patent document CN212081443U provides a fan coil air return box with a filter screen easy to disassemble, which comprises a box body and a surface cooling section arranged in the box body; the device also comprises a fixing plate, a filter screen and a spring; the box body is of a hexahedral structure without side surfaces and comprises a top plate, a bottom plate, a right side plate, a front end plate and a rear end plate; two groups of fixing sheets are respectively arranged on the inner side surfaces of the top plate and the bottom plate and close to the left side edge of the box body; each group of fixing sheets are arranged at intervals along the longitudinal direction; the filter screen is arranged between the top plate and the bottom plate along the longitudinal length and corresponds to the position of the fixing piece; vertical rubber pads are arranged on the inner side surface of the filter screen at intervals along the longitudinal direction, and the rubber pads are connected with the fixing pieces; the lateral surface department of filter screen, along longitudinal separation be provided with vertical spring, and the upper end and the roof of spring can be dismantled and be connected, the lower extreme and the bottom plate of spring can be dismantled and be connected.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a return air box system integrating return air filtration and in-ceiling maintenance functions.
According to the utility model, the return air box system integrating the return air filtering function and the in-ceiling maintenance function comprises: the air return inlet, the air return box, the access hole and the fan coil;
one side surface of the air return box is connected with the fan coil;
the air return inlet is arranged at the lower side of the air return box;
the maintenance opening is arranged on the upper side of the air return box, and the maintenance opening is not required to be arranged on the suspended ceiling;
the air return opening is communicated with the access opening along the vertical direction through the air return box and allows maintenance personnel to enter the air return box from the air return opening and allows maintenance personnel to enter the suspended ceiling from the access opening.
Preferably, the air return box is a cuboid, a cavity is arranged inside the cuboid, and a plurality of through holes are formed in the surface of the cuboid and connected with the cavity.
Preferably, the fan coil is provided with a fan, and the air return box is connected to one side close to the fan through the through hole on one side.
Preferably, the air return box is provided with the air return opening through a through hole at one side of the bottom;
one side of the air return inlet is connected with the air return box through a first hinge, and the other side of the air return inlet is connected with the air return box through a buckle.
Preferably, the air return box is provided with the access hole through a through hole at one side of the top;
one side of the access hole is fixedly connected with the air return box through a second hinge, and the other side of the access hole is connected with the air return box through a bolt;
the access hole is installed one side of the second hinge is set to be a fixed end, and the access hole is installed one side of the bolt is set to be an opening end.
Preferably, a filter screen is installed on one side of the air return box, which is close to the air return opening.
Preferably, an air pipe is installed on one side, away from the air return box, of the fan coil.
Preferably, return air case fixed connection the furred ceiling, set up to the floor above the furred ceiling, the return air case is installed the furred ceiling with between the floor.
Preferably, a space is arranged between the access hole and the floor slab; and the air return opening is horizontally arranged on the plane of the bottom of the suspended ceiling.
Preferably, the access opening and the return air opening allow passage of a size of 400mm x 400mm or more.
Compared with the prior art, the utility model has the following beneficial effects:
1. the system has the advantages that the installation is easy, the maintenance opening is not needed to be arranged on the suspended ceiling independently, and the influence on the decoration and modeling of the suspended ceiling is weakened;
2. the connection form of the air return box and the air return opening arranged on each fan coil can be used as an access opening in the suspended ceiling, and the air return box can enter the suspended ceiling at multiple points to facilitate the maintenance and the overhaul of personnel;
3. the maintenance opening which is additionally arranged is omitted, and the influence on the arrangement of the pipelines in the suspended ceiling is reduced.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a return air box system.
Shown in the figure:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.
Example 1
As shown in fig. 1, a return air box system integrating return air filtering and ceiling internal maintenance functions is characterized by comprising: the air return device comprises an air return inlet 1, an air return box 2, an access hole 3 and a fan coil 4; one side surface of the air return box 2 is connected with a fan coil 4; the lower side of the air return box 2 is provided with an air return port 1; an access hole 3 is arranged at the upper side of the air return box 2; the return air inlet 1 is communicated with the access hole 3 along the vertical direction through the return air box 2. The air return box 2 is arranged to be a cuboid, a cavity is formed inside the cuboid, and a plurality of through holes are formed in the surface of the cuboid to connect the cavity. The return air box 2 is provided with an access hole 3 through a through hole at one side of the top; one side of the access hole 3 is fixedly connected with the air return box 2 through a second hinge, and the other side of the access hole 3 is connected with the air return box 2 through a bolt; one side of the access hole 3 provided with the second hinge is set to be a fixed end, and one side of the access hole 3 provided with the bolt is set to be an opening end. The air return box 2 is provided with an air return inlet 1 through a through hole at one side of the bottom; one side of the return air inlet 1 is connected with the return air box 2 through a first hinge, the other side of the return air inlet 1 is connected with the return air box 2 through a buckle, and the access hole 3 and the return air inlet 1 allow the passage of the air with the size of more than or equal to 400mm multiplied by 400 mm.
The fan coil 4 is provided with a fan, and the air return box 2 is connected with one side close to the fan through a through hole on one side. A filter screen is arranged on one side of the air return box 2 close to the air return opening 1. And an air pipe 5 is arranged on one side of the fan coil 4, which is far away from the air return box 2. Return air case 2 fixed connection furred ceiling 6, 6 tops of furred ceilings set up to floor 7, and return air case 2 is installed between furred ceiling 6 and floor 7. A gap is arranged between the access hole 3 and the floor slab 7; the air return opening 1 is horizontally arranged on the plane of the bottom of the suspended ceiling 6.
Example 2
Example 2 is a preferred example of example 1.
The system consists of an air return inlet 1 with a filter screen, an air return box 2 and an access hole 3.
Install a return air case 2 additional in fan coil 4's fan side, connect a hinge formula area filter screen return air inlet 1 on the furred ceiling under return air case 2 corresponds the fan rear side, return air case 2 corresponds return air inlet 1 directly over the top and sets up an access hole 3. The air return opening 1 is fixed by a hinge, and is convenient to open by a buckle type opening mode. The fixed end of the access hole 3 is hinged, and the open end is arranged in an inserting and drawing way.
Have equipment, pipe fitting etc. to maintain and overhaul in furred ceiling 6, open door hinge formula return air inlet 1 on the furred ceiling 6 at first downwards and be 90 with the horizontal direction, then upwards open access hole 3 again and be 90 with the horizontal direction, this access hole 3 is opened the direction and is close to the fan side, and the people can be through carrying out the maintenance work in these two oral area reachs furred ceiling 6 of opening through the cat ladder. Because the human body needs to enter the suspended ceiling 6 from the opened air return opening 1 and the access hole 3, and in addition, the maximum opening sizes of the two opening parts of the air return opening 1 and the access hole 3 are not less than 400mm multiplied by 400mm by combining the corresponding air quantity of the selected fan coil 4.
The system has the advantages of easy installation and realization, and no need of independently arranging an access hole on the suspended ceiling. The influence on the decoration and modeling of the suspended ceiling 6 is weakened; the connection form of the air return box 2 and the air return opening 1 arranged on each fan coil 4 can be used as an in-ceiling maintenance opening 3, and the air return boxes can enter the ceiling at multiple points to facilitate the maintenance and the overhaul of personnel; the additionally arranged access opening 3 is omitted, and the influence on the arrangement of the pipelines in the suspended ceiling 6 is reduced.
In the description of the present application, it is to be understood that the terms "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 in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides an overhaul function return air case system as an organic whole in return air filtration and furred ceiling which characterized in that includes: the air return inlet (1), the air return box (2), the access hole (3) and the fan coil (4);
one side surface of the air return box (2) is connected with the fan coil (4);
the air return inlet (1) is arranged on the lower side of the air return box (2);
the maintenance opening (3) is arranged on the upper side of the air return box (2);
the air return opening (1) is communicated with the access opening (3) along the vertical direction through the air return box (2).
2. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 1, wherein: the air return box (2) is arranged to be a cuboid, a cavity is arranged inside the cuboid, and a plurality of through holes are formed in the surface of the cuboid and connected with the cavity.
3. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 2, wherein: the fan coil (4) is provided with a fan, and the air return box (2) is connected with one side close to the fan through the through hole on one side.
4. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 2, wherein: the air return box (2) is provided with the air return opening (1) through a through hole at one side of the bottom;
one side of the air return opening (1) is connected with the air return box (2) through a first hinge, and the other side of the air return opening (1) is connected with the air return box (2) through a buckle.
5. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 2, wherein: the air return box (2) is provided with the access hole (3) through a through hole at one side of the top;
one side of the access hole (3) is fixedly connected with the air return box (2) through a second hinge, and the other side of the access hole (3) is connected with the air return box (2) through a bolt;
the access hole (3) is installed, one side of the second hinge is set to be a fixed end, and the access hole (3) is installed, one side of the bolt is set to be an opening end.
6. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 4, wherein: and a filter screen is arranged on one side of the air return box (2) close to the air return opening (1).
7. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 3, wherein: and an air pipe (5) is arranged on one side of the fan coil (4) departing from the air return box (2).
8. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 1, wherein: return air case (2) fixed connection furred ceiling (6), furred ceiling (6) top sets up to floor (7), return air case (2) are installed furred ceiling (6) with between floor (7).
9. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 8, wherein: a space is arranged between the access hole (3) and the floor slab (7); the air return opening (1) is horizontally arranged on the plane where the bottom of the suspended ceiling (6) is located.
10. The return air box system integrating return air filtering and in-ceiling maintenance functions as claimed in claim 8, wherein: the access opening (3) and the return air inlet (1) allow passage of the air with the size of more than or equal to 400mm multiplied by 400 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134010.6U CN215570975U (en) | 2021-05-25 | 2021-05-25 | Return air case system integrating return air filtering and ceiling internal maintenance functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121134010.6U CN215570975U (en) | 2021-05-25 | 2021-05-25 | Return air case system integrating return air filtering and ceiling internal maintenance functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215570975U true CN215570975U (en) | 2022-01-18 |
Family
ID=79863655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121134010.6U Active CN215570975U (en) | 2021-05-25 | 2021-05-25 | Return air case system integrating return air filtering and ceiling internal maintenance functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215570975U (en) |
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2021
- 2021-05-25 CN CN202121134010.6U patent/CN215570975U/en active Active
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