CN214664965U - Outdoor wall-mounted one-way fresh air fan - Google Patents
Outdoor wall-mounted one-way fresh air fan Download PDFInfo
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- CN214664965U CN214664965U CN202120452728.3U CN202120452728U CN214664965U CN 214664965 U CN214664965 U CN 214664965U CN 202120452728 U CN202120452728 U CN 202120452728U CN 214664965 U CN214664965 U CN 214664965U
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Abstract
The utility model relates to an outdoor wall-mounted one-way fresh air machine, which comprises an upper shell and a lower shell, wherein the upper shell is connected with the lower shell through a middle shell, the lower shell is far away from an outer surface-mounted air inlet at one end of the middle shell, a single-air-inlet centrifugal fan is arranged in the lower shell, the single-air-inlet centrifugal fan is provided with a single-air-inlet centrifugal fan suction opening and a single-air-inlet centrifugal fan air outlet, the single-air-inlet centrifugal fan suction opening is communicated with the air inlet, the single-air-inlet centrifugal fan air outlet is communicated with the inner part of the lower shell and is used for sucking external air into the lower shell, a cylindrical filter element extending into the lower shell is arranged in the upper shell, the outer surface-mounted air outlet at one end of the upper shell far away from the middle shell is used for sending air filtered by the cylindrical filter element into a room, the air inlet and the air outlet are arranged oppositely, the cylindrical filter element is fixedly arranged right above the single-air-inlet centrifugal fan through a positioning structure, the utility model has the advantages that: new fan simple structure, tube-shape filter core filter effect is better.
Description
Technical Field
The utility model relates to a new fan field, concretely relates to one-way new fan is hung to outdoor wall.
Background
Most of the existing fresh air fans are bidirectional flow fresh air fans and are provided with independent air exhaust and supply systems, polluted air is exhausted to the outside through an air exhaust port, outdoor fresh air is sent into the room through an air supply port, however, the fresh air fans at the current stage are all installed indoors, indoor ceiling treatment is generally needed for installing the fresh air fans, and the installed fresh air fans are inconvenient to maintain and repair due to the fact that the structure of the fresh air fans is complex, and the problem of high noise exists in the working process of the fresh air fans due to the fact that the fresh air fans are installed indoors;
at present, there is the new fan of hanging appearing in the market, and it is installed outdoors, and this kind of new fan generally only possesses the indoor function of outdoor air suction, but this kind of new fan of hanging of current structure is poor to outdoor air filter effect, and the filter core is difficult to change.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art,
provides a unidirectional fresh air machine hung on an outdoor wall.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an outdoor wall hangs one-way new fan which characterized in that: comprises an upper shell and a lower shell, the upper shell is connected with the lower shell through a middle shell, an air inlet is arranged on the outer surface of one end of the lower shell far away from the middle shell, a single-air-inlet centrifugal fan is arranged in the lower shell, the single-air-inlet centrifugal fan is provided with a single-air-inlet centrifugal fan suction opening and a single-air-inlet centrifugal fan air outlet, the air outlet of the single air inlet centrifugal fan is communicated with the inner part of the lower shell and is used for sucking external air into the lower shell, the upper shell is internally provided with a cylindrical filter element extending into the lower shell, the outer surface of one end of the upper shell, which is far away from the middle shell, is provided with an air outlet, the air outlet is used for sending air filtered by the cylindrical filter element into a room, the air inlet and the air outlet are arranged oppositely, and the cylindrical filter element is fixedly arranged right above the single-air-inlet centrifugal fan through the positioning structure.
By adopting the technical scheme, the wall-mounted one-way fresh air fan is simple in structure and convenient and fast to install, the wall-mounted one-way fresh air fan can be installed on an outdoor wall body or an outdoor installation platform (the installation platform can be directly installed on the outdoor wall body) during installation, outdoor air is sucked into a lower shell through an air inlet by the single-air inlet centrifugal fan and then filtered through a cylindrical filter element extending to the position right above the single-air inlet centrifugal fan in the upper shell, the cylindrical filter element has good filtering effect, the filter element of the air filter on the market can be directly used, the cylindrical filter element has good filtering effect on dust in outdoor air, the filter elements in the traditional fresh air machine are overlapped together, the filter element is not easy to replace and has poor filtering effect, fix the filter core directly over single air inlet centrifugal fan through location structure, guarantee that the filter core installation is firm.
The outdoor wall-mounted one-way fresh air machine can be further set as follows: the utility model discloses a casing, including casing first cavity and lower casing second cavity, the fixed spacing ring that is provided with in one side of middle shrouding towards casing second cavity down, the cylinder-shaped filter core is installed in the spacing ring, single air inlet centrifugal fan is arranged in casing second cavity down, the air inlet through-hole of casing first cavity and casing second cavity down under the intercommunication is seted up at middle shrouding middle part, and the air inlet through-hole is located the spacing ring middle part, single air inlet centrifugal fan air outlet is arranged in the air inlet through-hole orthographic projection.
Adopt above-mentioned technical scheme, through set up middle shrouding in the casing down, the cavity of casing is divided into two down, separate for casing first cavity and casing second cavity down, set up single air inlet centrifugal fan in casing first cavity down, set up air inlet through-hole and single air inlet centrifugal fan's single air inlet centrifugal fan air outlet intercommunication at middle shrouding middle part, the one end that lies in casing second cavity down at middle shrouding sets up the spacing ring that the external diameter is greater than the air inlet through-hole, install the tube-shape filter core in the spacing ring, all filter through the tube-shape filter core when setting up like this and guaranteeing the air that single air inlet centrifugal fan air outlet goes out gets into casing second cavity down, the filter effect of filter core and the stability of filter core have been guaranteed.
The outdoor wall-mounted one-way fresh air machine can be further set as follows: middle shrouding is installed towards the periphery of casing second cavity down and is extended to the filter core protection casing including in the supreme casing and with the tube-shape filter core cladding, sets up a plurality of air-out grids on the filter core protection casing, the filter core protection casing is kept away from the end cover of middle shrouding and is established filter core protection casing upper cover that can open and shut, the upper cover is provided with the handle.
Adopt above-mentioned technical scheme, can be with the filter core protection casing including the cladding of tube-shape filter core through the installation on middle shrouding, set up a plurality of air-out grids on filter core protection casing and make the air after will filtering get into the casing and get into from the air outlet indoor, filter core protection casing not only can play the guard action to the filter core and have the secondary filter's effect, set up the filter core protection casing upper cover that can open and shut with the one end of filter core protection casing, and cover on filter core protection casing and set up the handle, change the filter core after conveniently opening and shutting.
The outdoor wall-mounted one-way fresh air machine can be further set as follows: the filter element protection casing comprises two left casings and right casings that are the L type, wherein one side of left casing and right casing all sets up the air-out grid, and the air-out grid on left casing and the right casing forms the L type air-out region.
Adopt above-mentioned technical scheme, set up filter core protection casing into two left casings and the right casing that are the L type and constitute, the concatenation of easy to assemble, and the regional air-out effect that promotes of the L type air-out that links to each other.
The outdoor wall-mounted one-way fresh air machine can be further set as follows: the upper shell and the lower shell respectively comprise a cover plate, a U-shaped front sealing plate and a U-shaped rear sealing plate, two opposite edge pressing plates are fixedly arranged on the middle shell, and one ends of the front sealing plate and the rear sealing plate are inserted into the edge pressing plates.
Adopt above-mentioned technical scheme, interval between the blank holder board that sets up on the middle casing slightly is greater than preceding shrouding and back shrouding U type open-ended width, the setting makes preceding shrouding and the equal lock of back shrouding on the blank holder board when the installation like this, easy to assemble, the apron that is located the casing sets up the one end of casing under last casing keeps away from, the apron that is located the casing then sets up the one end of casing under keeping away from the casing, make the new fan shell relatively sealed, can only follow air intake air inlet, the air outlet air-out, promote new fan work efficiency.
The outdoor wall-mounted one-way fresh air machine can be further set as follows: the single air inlet centrifugal fan is a single air inlet forward-inclined centrifugal fan.
By adopting the technical scheme, the single air inlet centrifugal fan is set to be the single air inlet forward-inclined centrifugal fan, the second cavity of the lower shell is more attached, the occupied space of the centrifugal fan can be reduced when the centrifugal fan is designed, and the new fan shell is smaller and has smaller volume.
The outdoor wall-mounted one-way fresh air machine can be further set as follows: the area of the air inlet through hole is larger than that of the air outlet of the single air inlet centrifugal fan.
By adopting the technical scheme, the area of the air inlet through hole is larger than that of the air outlet of the single air inlet centrifugal fan, so that outdoor air pumped in by the centrifugal fan can be completely filtered in the filter element, and the air inlet efficiency of the new fan is improved.
The utility model has the advantages that: new fan simple structure, tube-shape filter core filter effect is better.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is an exploded schematic view of the embodiment of the present invention.
Fig. 3 is a schematic view of the exploded structure of the lower housing according to the embodiment of the present invention.
Fig. 4 is a schematic view of an exploded structure of the filter element protecting casing according to the embodiment of the present invention.
Fig. 5 is an exploded schematic view of the upper housing according to the embodiment of the present invention.
Fig. 6 is a schematic perspective view of the embodiment of the present invention with a part of the lower housing removed.
Detailed Description
Referring to fig. 1-6: an outdoor wall-hung unidirectional fresh air machine comprises an upper shell 1 and a lower shell 2, wherein the upper shell 1 is connected with the lower shell 2 through a middle shell 3, the upper shell 1 comprises an upper shell cover plate 11, a U-shaped upper shell front seal plate 12 and a U-shaped upper shell rear seal plate 13, the lower shell 2 comprises a lower shell cover plate 21, a U-shaped lower shell front seal plate 22 and a U-shaped lower shell rear seal plate 23, two groups of first edge pressing plates 31 and second edge pressing plates 32 which are oppositely arranged are fixedly arranged on the middle shell 3, one ends of the upper shell front seal plate 12 and the upper shell rear seal plate 13 are respectively inserted into the first edge pressing plates 31, one ends of the lower shell front seal plate 22 and the lower shell rear seal plate 23 are respectively inserted into the second edge pressing plates 32, the second edge pressing plates 32 can also be arranged on the lower shell cover plate 21, an air inlet 221 is arranged on the lower shell front seal plate 22, an air outlet 121 is arranged on the upper shell front seal plate 13, the single-air-inlet forward-inclined centrifugal fan 4 is installed in the lower shell 2, the single-air-inlet forward-inclined centrifugal fan 4 is provided with a single-air-inlet centrifugal fan suction opening 41 and a single-air-inlet centrifugal fan air outlet 42, the single-air-inlet centrifugal fan suction opening 41 is communicated with an air inlet 221, the single-air-inlet centrifugal fan air outlet 42 is communicated with the interior of the lower shell 2 and is used for sucking external air into the lower shell 2, a cylindrical filter element 5 extending into the lower shell 2 is arranged in the upper shell 1, the cylindrical filter element 5 is fixedly installed right above the single-air-inlet forward-inclined centrifugal fan 4 through a positioning structure, the positioning structure comprises a middle closing plate 6 which is arranged in the middle of the lower shell 2 and is consistent with the cross section shape of the lower shell 2, the middle closing plate 6 divides the lower shell 2 into a lower shell first cavity 61 and a lower shell second cavity 62, the cylindrical filter element 5 extends into the lower shell second cavity 62 and is installed in the middle closing plate 6, a limiting ring 63 is fixedly arranged on one side of the middle closing plate 6 facing the lower shell second cavity 62, the cylindrical filter element 5 is arranged in a limiting ring 63, the single-air-inlet forward-inclined centrifugal fan 4 is positioned in a second cavity 62 of a lower shell, an air inlet through hole 611 which is communicated with the first cavity 61 of the lower shell and the second cavity 62 of the lower shell is arranged in the middle of a middle sealing plate 6, the air inlet through hole 611 is positioned in the middle of the limiting ring 63, an air outlet 42 of the single-air-inlet centrifugal fan is positioned in the orthographic projection of the air inlet through hole 611, a filter element protecting shell 7 which extends into the upper shell 1 and covers the cylindrical filter element 5 is arranged on the periphery of the middle sealing plate 6 facing to the second cavity 62 of the lower shell, a plurality of air outlet grilles 701 are arranged on the filter element protecting shell 7, one end of the filter element protecting shell 7 far away from the middle sealing plate 6 is covered with an upper cover 702 of the filter element protecting shell which can be opened and closed, a handle is arranged on the upper cover, the filter element protecting shell 7 is composed of a left shell 71 and a right shell 72 which are L-shaped, one surface of the left shell 71 and the right shell 72 is provided with the air outlet grilles 701, the air outlet grilles 701 on the left shell 71 and the right shell 72 form an L-shaped air outlet area.
Claims (7)
1. The utility model provides an outdoor wall hangs one-way new fan which characterized in that: comprises an upper shell and a lower shell, the upper shell is connected with the lower shell through a middle shell, an air inlet is arranged on the outer surface of one end of the lower shell far away from the middle shell, a single-air-inlet centrifugal fan is arranged in the lower shell, the single-air-inlet centrifugal fan is provided with a single-air-inlet centrifugal fan suction opening and a single-air-inlet centrifugal fan air outlet, the air outlet of the single air inlet centrifugal fan is communicated with the inner part of the lower shell and is used for sucking external air into the lower shell, the upper shell is internally provided with a cylindrical filter element extending into the lower shell, the outer surface of one end of the upper shell, which is far away from the middle shell, is provided with an air outlet, the air outlet is used for sending air filtered by the cylindrical filter element into a room, the air inlet and the air outlet are arranged oppositely, and the cylindrical filter element is fixedly arranged right above the single-air-inlet centrifugal fan through the positioning structure.
2. The outdoor wall-mounted unidirectional fresh air machine of claim 1, characterized in that: the utility model discloses a casing, including casing first cavity and lower casing second cavity, the fixed spacing ring that is provided with in one side of middle shrouding towards casing second cavity down, the cylinder-shaped filter core is installed in the spacing ring, single air inlet centrifugal fan is arranged in casing second cavity down, the air inlet through-hole of casing first cavity and casing second cavity down under the intercommunication is seted up at middle shrouding middle part, and the air inlet through-hole is located the spacing ring middle part, single air inlet centrifugal fan air outlet is arranged in the air inlet through-hole orthographic projection.
3. The outdoor wall-mounted one-way fresh air machine of claim 2, characterized in that: middle shrouding is installed towards the periphery of casing second cavity down and is extended to the filter core protection casing including in the supreme casing and with the tube-shape filter core cladding, sets up a plurality of air-out grids on the filter core protection casing, the filter core protection casing is kept away from the end cover of middle shrouding and is established filter core protection casing upper cover that can open and shut, the upper cover is provided with the handle.
4. The outdoor wall-mounted one-way fresh air machine of claim 3, characterized in that: the filter element protection casing comprises two left casings and right casings that are the L type, wherein one side of left casing and right casing all sets up the air-out grid, and the air-out grid on left casing and the right casing forms the L type air-out region.
5. The outdoor wall-mounted unidirectional fresh air machine according to any one of claims 1 to 4, characterized in that: go up casing and lower casing and all include the apron, be the preceding shrouding of U type, be the back shrouding constitution of U font, fixed set up two sets of relative pressure sideboard that set up on the middle casing, preceding shrouding and back shrouding one end all peg graft in the pressure sideboard, the air intake is installed in the preceding shrouding of casing down, and the air outlet is installed in the back shrouding of last casing.
6. The outdoor wall-hanging unidirectional fresh air machine according to claim 5, characterized in that: the single air inlet centrifugal fan is a single air inlet forward-inclined centrifugal fan.
7. The outdoor wall-mounted one-way fresh air machine of claim 2, characterized in that: the area of the air inlet through hole is larger than that of the air outlet of the single air inlet centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452728.3U CN214664965U (en) | 2021-03-02 | 2021-03-02 | Outdoor wall-mounted one-way fresh air fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120452728.3U CN214664965U (en) | 2021-03-02 | 2021-03-02 | Outdoor wall-mounted one-way fresh air fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214664965U true CN214664965U (en) | 2021-11-09 |
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ID=78450399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120452728.3U Active CN214664965U (en) | 2021-03-02 | 2021-03-02 | Outdoor wall-mounted one-way fresh air fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214664965U (en) |
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2021
- 2021-03-02 CN CN202120452728.3U patent/CN214664965U/en active Active
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