CN219656295U - Fresh air system air inlet - Google Patents
Fresh air system air inlet Download PDFInfo
- Publication number
- CN219656295U CN219656295U CN202320373890.5U CN202320373890U CN219656295U CN 219656295 U CN219656295 U CN 219656295U CN 202320373890 U CN202320373890 U CN 202320373890U CN 219656295 U CN219656295 U CN 219656295U
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- Prior art keywords
- air inlet
- air
- cover
- connecting seat
- barrel
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- 239000000428 dust Substances 0.000 abstract description 14
- 238000001914 filtration Methods 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model provides an air inlet of a fresh air system, which comprises a connecting seat, wherein an air inlet cover is arranged on an air inlet head; the air inlet head comprises an air inlet barrel, one end of the air inlet barrel, which is different from the connecting seat, is of a closed structure, a plurality of air inlet holes are formed in the air inlet barrel, an air inlet side connecting structure is arranged at one end of the air inlet barrel, which is combined with the connecting seat, of the air inlet barrel, an air inlet cover is arranged on the air inlet side connecting structure, and a buffer cavity is formed between the air inlet barrel and the air inlet cover; a plurality of road baffle rings are arranged on the outer circumferential surface of the air inlet cylinder; the front end of the air inlet cover is provided with an inward bowl-shaped concave structure, the concave structure comprises a flat bottom and a side wall part at the periphery of the flat bottom, a plurality of air inlet grooves are formed in the side wall part, and a plurality of air through holes are formed in the flat bottom. The utility model has simple structure, air enters the buffer cavity through the air inlet cover, partial dust and other particles can fall into the dust collecting cavity, and then the air enters the fresh air system pipeline through the connecting seat to carry out primary filtration on the air, so that the air is purified in the process of entering the air suction system pipeline.
Description
Technical Field
The utility model belongs to the technical field of fresh air equipment, and particularly relates to an air inlet of a fresh air system.
Background
The fresh air system is air purifying equipment which can realize convection of indoor air through autonomous air supply and induced air, so that indoor polluted air can be discharged outdoors through the fresh air system, and outdoor fresh air can be input indoors after measures such as cooling and filtering, and fresh and clean air can be obtained indoors. The air inlet of the fresh air system purifier is generally provided with the filter assembly for preliminary filtering air entering the purifier, most of the existing primary filter assemblies adopt a filter screen or an opening-oriented dust cover, the filter capacity of the filter assembly is weak, the filter assembly has a limited effect, and particularly under the working condition environment of larger dust, the filter capacity of the filter screen is limited, more dust can enter the purifier more easily, the work load of the purifier is increased, the filter screen is easy to block, and the working performance of the fresh air system is reduced. Therefore, the filter device of the existing fresh air system purifier needs to be optimized and improved.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects in the prior art, and provides the air inlet of the fresh air system.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the air inlet of the fresh air system comprises a connecting seat, wherein a filter screen is arranged in the connecting seat; one end of the connecting seat is provided with an assembling connecting structure, the other end of the connecting seat is provided with an air inlet head, and an air inlet cover is arranged on the air inlet head;
the air inlet head comprises an air inlet barrel, one end of the air inlet barrel, which is different from the connecting seat, is of a closed structure, a plurality of air inlet holes are formed in the air inlet barrel, an air inlet side connecting structure is arranged at one combined end of the air inlet barrel and the connecting seat, an air inlet cover is arranged on the air inlet side connecting structure, and a buffer cavity is formed between the air inlet barrel and the air inlet cover; a plurality of road baffle rings are arranged on the outer circumferential surface of the air inlet cylinder;
the front end of the air inlet cover is provided with an inward bowl-shaped concave structure, the concave structure comprises a flat bottom and a side wall part at the periphery of the flat bottom, a plurality of air inlet grooves are formed in the side wall part, and a plurality of air through holes are formed in the flat bottom.
Further, the air inlet cover is detachably arranged on the connecting seat.
Further, the air inlet cover is in threaded connection with the air inlet side connecting structure, and the air inlet side connecting structure is provided with an external thread structure.
Further, the air inlet grooves are uniformly distributed by taking the axial direction of the air inlet cover as the center.
Further, the front end of the air inlet cover is detachably provided with a rain cover, the rain cover comprises a fixing part and a downward elbow part, and the fixing part is connected with the air inlet cover.
Further, the air passing holes comprise a plurality of groups which are axially arranged along the air inlet cylinder, and each group of air passing holes comprise 5-10 air passing holes which are uniformly distributed by taking the axis of the air inlet cylinder as the center.
Further, a baffle ring is arranged between two adjacent groups of wind through holes.
Compared with the prior art, the utility model has the following advantages:
the utility model has simple structure and reasonable design, after the air enters through the air inlet cover, the air collides with the side wall of the air inlet cover and the surface of the air inlet cylinder in the buffer cavity, part of dust and other particles can fall into the dust collecting cavity, and then the air enters into the fresh air system pipeline through the connecting seat, and the filter screen is arranged in the connecting seat to carry out primary filtration on the air.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute an undue limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partial cross-sectional view of the utility model;
FIG. 3 is a schematic view of a connector according to the present utility model;
FIG. 4 is a schematic view of an air inlet cylinder in the utility model;
fig. 5 is a schematic view of the present utility model when a rain cover is installed in an embodiment of the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
An air inlet of a fresh air system, as shown in figures 1 to 5, comprises a connecting seat 1, wherein a filter screen is arranged in the connecting seat; one end of the connecting seat is provided with an assembling connecting structure 4, the other end is provided with an air inlet head 2, and an air inlet cover 3 is arranged on the air inlet head; the air inlet head comprises an air inlet cylinder 5, one end of the air inlet cylinder, which is different from the connecting seat, is of a closed structure 6, a plurality of air inlet holes 7 are formed in the air inlet cylinder, an air inlet side connecting structure 13 is arranged at one end of the air inlet cylinder, which is combined with the connecting seat, an air inlet cover is arranged on the air inlet side connecting structure, and a buffer cavity 8 is formed between the air inlet cylinder and the air inlet cover.
A plurality of road baffle rings 16 are arranged on the outer circumferential surface of the air inlet cylinder. By way of example, the above-mentioned through-air holes include a plurality of groups arranged along the axial direction of the air inlet cylinder, and each group of through-air holes includes 5-10 evenly distributed through-air holes centered on the axis of the air inlet cylinder. A baffle ring is arranged between two adjacent groups of through-air holes. Dust in the air entering the buffer cavity can touch the baffle ring, so that the dust is trapped in the buffer cavity to the greatest extent and falls into the lower part of the air inlet cover bottom.
The front end of the air inlet cover is provided with an inward bowl-shaped concave structure 9, the concave structure comprises a flat bottom 10 and a side wall part 11 with the outer periphery of the flat bottom, a plurality of air inlet grooves 12 are formed in the side wall part, a plurality of air through holes are formed in the flat bottom, one end of the air inlet barrel, which is different from the connecting seat, is of a closed structure, air entering the buffer cavity through the air holes and the air inlet grooves can not directly enter the air inlet barrel along the axial direction, and after the buffer cavity passes through a roundabout path, the air enters a fresh air system pipeline through the air inlet holes of the air inlet barrel, and the porous air inlet barrel structure can effectively reduce noise generated in the air inlet process of the air suction system, so that the air inlet cover is not only effectively dustproof, but also has the noise reduction effect.
For example, the air inlet cover is detachably mounted on the connecting seat. Specifically, the air inlet cover threaded connection is in air inlet side connection structure 14, is equipped with external screw thread structure on the air inlet side connection structure, and the air inlet cover can be convenient installation and dismantlement, and this air intake equipment convenient to use, easy operation. The air inlet grooves are uniformly distributed by taking the axial direction of the air inlet cover as the center. The external diameter of the air inlet side connecting structure is smaller than that of the connecting seat, a positioning table is formed at the joint of the air inlet side connecting structure and the connecting seat, and when the air inlet cover is arranged on the air inlet side connecting structure, the end face of the air inlet cover props against the positioning table, so that the air inlet cover is firmly combined and does not shake.
In an alternative embodiment, the front end of the air inlet cover is detachably provided with a rain cover 15, and the rain cover comprises a fixing part and a downward elbow part, and the fixing part is connected with the air inlet cover. The rain-proof cover can be installed and used according to the requirement, so that rainwater is prevented from invading the air inlet cover in rainy seasons, the elbow part of the rain-proof cover is arranged downwards, and dust can be prevented from falling into the rain-proof cover.
The utility model has simple structure and reasonable design, after the air enters through the air inlet cover, the air collides with the side wall of the air inlet cover and the surface of the air inlet cylinder in the buffer cavity, part of dust and other particles can fall into the dust collecting cavity, and then the air enters into the fresh air system pipeline through the connecting seat, and the filter screen is arranged in the connecting seat to carry out primary filtration on the air.
The air can touch the concave structure surface of the air inlet cover before entering the buffer cavity, dust particles partially suspended in the air can be filtered out to a certain extent, a plurality of air inlet grooves and a plurality of air inlet holes are arranged on the air inlet cover, the air inlet quantity can be effectively ensured, the air inlet can be matched with the air inlet holes, the air inlet is uniformly dispersed, the dust prevention effect is improved, and the noise is reduced.
The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a new trend system air intake which characterized in that: comprises a connecting seat, wherein a filter screen is arranged in the connecting seat; one end of the connecting seat is provided with an assembling connecting structure, the other end of the connecting seat is provided with an air inlet head, and an air inlet cover is arranged on the air inlet head;
the air inlet head comprises an air inlet barrel, one end of the air inlet barrel, which is different from the connecting seat, is of a closed structure, a plurality of air inlet holes are formed in the air inlet barrel, an air inlet side connecting structure is arranged at one combined end of the air inlet barrel and the connecting seat, an air inlet cover is arranged on the air inlet side connecting structure, and a buffer cavity is formed between the air inlet barrel and the air inlet cover; a plurality of road baffle rings are arranged on the outer circumferential surface of the air inlet cylinder;
the front end of the air inlet cover is provided with an inward bowl-shaped concave structure, the concave structure comprises a flat bottom and a side wall part at the periphery of the flat bottom, a plurality of air inlet grooves are formed in the side wall part, and a plurality of air through holes are formed in the flat bottom.
2. The fresh air system intake of claim 1, wherein: the air inlet cover is detachably arranged on the connecting seat.
3. The fresh air system intake of claim 2, wherein: the air inlet cover is in threaded connection with the air inlet side connecting structure, and the air inlet side connecting structure is provided with an external thread structure.
4. The fresh air system intake of claim 1, wherein: the air inlet grooves are uniformly distributed by taking the axial direction of the air inlet cover as the center.
5. The fresh air system intake of claim 1, wherein: the front end of the air inlet cover is detachably provided with a rain cover, the rain cover comprises a fixing part and a downward elbow part, and the fixing part is connected with the air inlet cover.
6. The fresh air system intake of claim 1, wherein: the air passing holes comprise a plurality of groups which are axially arranged along the air inlet cylinder, and each group of air passing holes comprises 5-10 air passing holes which are uniformly distributed by taking the axis of the air inlet cylinder as the center.
7. The fresh air system intake of claim 6, wherein: a baffle ring is arranged between two adjacent groups of through-air holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373890.5U CN219656295U (en) | 2023-03-03 | 2023-03-03 | Fresh air system air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320373890.5U CN219656295U (en) | 2023-03-03 | 2023-03-03 | Fresh air system air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656295U true CN219656295U (en) | 2023-09-08 |
Family
ID=87858060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320373890.5U Active CN219656295U (en) | 2023-03-03 | 2023-03-03 | Fresh air system air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656295U (en) |
-
2023
- 2023-03-03 CN CN202320373890.5U patent/CN219656295U/en active Active
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