CN219454189U - Fresh air outdoor unit coarse filtration device - Google Patents
Fresh air outdoor unit coarse filtration device Download PDFInfo
- Publication number
- CN219454189U CN219454189U CN202320860962.9U CN202320860962U CN219454189U CN 219454189 U CN219454189 U CN 219454189U CN 202320860962 U CN202320860962 U CN 202320860962U CN 219454189 U CN219454189 U CN 219454189U
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- 238000001914 filtration Methods 0.000 title claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 63
- 230000000903 blocking effect Effects 0.000 claims abstract description 20
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 18
- 231100000719 pollutant Toxicity 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 abstract description 11
- 241000238631 Hexapoda Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a rough filtering device of a fresh air outdoor unit, which comprises a shell unit, a plurality of filtering units, a liquid blocking unit and a connecting unit, wherein the filtering units are arranged in the shell unit and are used for filtering large-particle pollutants; the liquid blocking unit is detachably arranged on the outer side of the shell unit and is used for preventing liquid from entering the shell unit; the two ends of the connecting unit are detachably connected with the shell unit and the air inlet of the outdoor unit respectively. The filter unit has the advantages that the detachable filter unit with low cost is arranged, so that large-particle pollutants such as oil smoke are filtered in advance before outdoor air enters the fresh air system device, and the problem that the frequency of changing the filter screen is increased and the use cost is increased due to the fact that the air filter is easily blocked by the large-particle pollutants such as oil smoke is solved.
Description
Technical Field
The utility model relates to the technical field of indoor fresh air filtration, in particular to a fresh air outdoor unit rough filtration device.
Background
Along with the improvement of the living standard of people, more families choose to install an indoor fresh air system. The indoor fresh air system can discharge various harmful gases and indoor polluted air caused by decoration outdoors, and sends outdoor fresh air into the room after high-efficiency purification, and the indoor fresh air is constantly replaced for 24 hours, so that the indoor air is kept fresh constantly.
The inside of the fresh air system is provided with a forced air supply/exhaust fan and an air filter (filter screen), and the air filter screen filters pollutants in the outdoor air and needs to be replaced regularly to keep the normal operation of the fresh air system.
Some high-rise residential oil smoke is directly discharged outdoors without an exhaust duct, if a resident installs an indoor fresh air system, the fresh air system also needs to filter oil smoke in air, and the oil smoke is different from other pollutants, has larger viscosity, is easy to adhere to large-particle pollutants such as dust and the like after being adsorbed on an air filter, so that the air filter is easy to be blocked, the air supply amount of the fresh air system is reduced, and the frequency of replacing a filter screen in the air filter is increased; meanwhile, some insects cannot be intercepted by the filter screen at the air inlet, and can enter the fan device, so that insect corpses are inconvenient to clean.
At present, aiming at the problems that the frequency of replacing a filter screen is increased, the use cost is increased, the inside of a fan device is difficult to clean due to the fact that large-particle pollutants such as oil smoke and the like are easy to block an air filter in the related technology, the service life of the fan is difficult to clean, and the like, an effective solution is not provided.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a rough filtering device for a fresh air outdoor unit, so as to solve the problems that in the related art, large-particle pollutants such as oil smoke are easy to block an air filter, the frequency of replacing a filter screen is increased, the use cost is increased, insects are easy to enter the fan device, the inside of the fan device is difficult to clean, the service life of a fan is influenced, and the like.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a fresh air outdoor unit straining device, comprising:
a shell unit;
the filtering units are arranged inside the shell unit and are used for filtering large-particle pollutants;
the liquid blocking unit is detachably arranged on the outer side of the shell unit and used for preventing liquid from entering the shell unit;
and the two ends of the connecting unit are detachably connected with the shell unit and the air inlet of the outdoor unit respectively.
In some of these embodiments, the shell element comprises:
the frame element is detachably connected with the filtering unit and the liquid blocking unit respectively;
a plate member fixed to a rear portion of the frame member and detachably connected to the connection unit;
the first connecting elements are arranged at the top of the frame element at intervals and are detachably connected with the corresponding filtering units;
the first installation elements are arranged in the frame element at intervals and are positioned right below the corresponding first connection elements, and the first installation elements are detachably connected with the corresponding filter units;
a second connection member provided at a lower portion of the plate member and detachably connected with the connection unit;
and the second installation element is arranged at the front part of the frame element and is detachably connected with the liquid resistance unit.
In some of these embodiments, the filter unit comprises:
a cover member detachably connected to the housing unit;
a frame member fixed to a bottom of the cover member and detachably coupled with the case unit;
and the filter element is detachably arranged in the frame element and is used for filtering large-particle pollutants.
Further, in some embodiments thereof, the filter unit further comprises:
a handle element secured to the top of the cover element.
In some of these embodiments, the liquid blocking unit includes:
a third mounting element detachably connected to the housing unit;
and the liquid resistance element is fixed inside the third mounting element and is used for preventing liquid from entering the shell unit.
In some of these embodiments, the connection unit comprises:
an adapter element detachably connected to the housing unit;
and two ends of the fourth connecting element are detachably connected with the switching element and the air inlet of the outdoor unit respectively.
Further, in some embodiments thereof, the connection unit further comprises:
and the sealing element is respectively arranged at the connection parts of the fourth connecting element, the switching element and the air inlet of the outdoor unit.
Further, in some embodiments thereof, further comprising:
the fixing unit is detachably arranged at the bottom of the shell unit and is used for fixing the rough filtering device;
the liquid draining unit is detachably arranged at the bottom of the shell unit and used for draining accumulated liquid in the shell unit.
In some of these embodiments, the housing unit further comprises:
and the third connecting element is arranged at the bottom of the shell unit and is detachably connected with the liquid draining unit.
In some of these embodiments, the fixing unit includes:
a fixing element detachably arranged at the bottom of the shell unit for fixing the coarse filtering device
In some of these embodiments, the liquid discharge unit includes:
the liquid draining element is detachably arranged at the bottom of the shell unit and used for draining the accumulated liquid in the shell unit.
Compared with the prior art, the utility model has the following technical effects:
according to the fresh air outdoor unit coarse filtration device, the detachable filtration unit is arranged, so that large-particle pollutants such as oil smoke are filtered in advance before outdoor air enters the fresh air system device, the filtration material of the filtration unit is low in cost, and the problems that the frequency of replacing a filter screen is increased, the use cost is increased, insects are easy to enter the fan device and the service life of the fan is influenced due to the fact that the large-particle pollutants such as oil smoke are easy to block the air filter are solved.
Drawings
FIG. 1 is a schematic diagram (I) of a coarse filtration device of a fresh air outdoor unit according to an embodiment of the utility model;
FIG. 2 is a schematic illustration of a shell element according to an embodiment of the utility model;
FIG. 3 is a schematic diagram of a filtration unit according to an embodiment of the utility model;
FIG. 4 is a schematic diagram of a liquid barrier unit according to an embodiment of the utility model;
FIG. 5 is a schematic diagram of a connection unit according to an embodiment of the utility model;
FIG. 6 is a schematic diagram (II) of a coarse filtration device of a fresh air outdoor unit according to an embodiment of the utility model;
FIG. 7 is a schematic illustration of a shell element according to an embodiment of the utility model;
FIG. 8 is a schematic view of a stationary unit according to an embodiment of the utility model;
fig. 9 is a schematic view of a liquid discharge unit according to an embodiment of the present utility model.
Wherein the reference numerals are as follows: 10. a shell unit; 11. a frame element; 12. a plate member; 13. a first connecting element; 14. a first mounting element; 15. a second connecting element; 16. a second mounting element; 17. a third connecting element;
20. a filtering unit; 21. a cover member; 22. a frame element; 23. a filter element; 24. a handle element;
30. a liquid blocking unit; 31. a third mounting element; 32. a liquid blocking element;
40. a connection unit; 41. an adapter element; 42. a fourth connecting element; 43. a sealing member;
50. a fixing unit; 51. a fixing element;
60. a liquid discharge unit; 61. a liquid discharge element.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
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.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Example 1
In an exemplary embodiment of the present utility model, as shown in fig. 1, a fresh air outdoor unit coarse filtration device includes a housing unit 10, a plurality of filtration units 20, a liquid blocking unit 30 and a connection unit 40. Wherein, a plurality of filter units 20 are disposed inside the case unit 10 for filtering large particle pollutants; the liquid blocking unit 30 is detachably disposed at the outer side of the case unit 10, for preventing liquid from entering the case unit 10; both ends of the connection unit 40 are detachably connected with the case unit 10 and the outdoor unit air inlet, respectively.
As shown in fig. 2, the housing unit 10 comprises a frame element 11, a plate element 12, a number of first connection elements 13, a number of first mounting elements 14, a second connection element 15 and a second mounting element 16. Wherein, the frame element 11 is detachably connected with the filter unit 20 and the liquid blocking unit 30 respectively; the plate member 12 is fixed to the rear of the frame member 11 and detachably connected to the connection unit 40; the first connecting elements 13 are arranged at intervals on the top of the frame element 11 and are detachably connected with the corresponding filter units 20; the first mounting elements 14 are arranged in the frame element 11 at intervals and are positioned right below the corresponding first connecting elements 13, and the first mounting elements 14 are detachably connected with the corresponding filter units 20; the second connection member 15 is provided at the lower portion of the plate member 12 and detachably connected with the connection unit 40; the second mounting member 16 is provided at the front of the frame member 11 and is detachably connected to the liquid blocking unit 30.
In some of these embodiments, the longitudinal section of the frame element 11 is hollow rectangular.
The plate member 12 is integrally formed with the frame member 11.
In some of these embodiments, the shape and size of the outer contour of the plate element 12 corresponds to the shape and size of the longitudinal section of the frame element 11.
The number of first connecting elements 13 is at least 1. Specifically, at least 1 first connecting member 13 is provided on top of the frame member 11.
In some of these embodiments, the number of first connecting elements 13 is 1, the first connecting elements 13 being arranged centrally on top of the frame element 11.
In some embodiments, the number of the first connecting elements 13 is 2, and two first connecting elements 13 are symmetrically disposed on top of the frame element 11.
In some of these embodiments, the first connecting elements 13 are several. The plurality of first connecting members 13 are arranged at intervals in the thickness direction of the frame member 11.
In some of these embodiments, the first connecting element 13 is a first opening, i.e. the first connecting element 13 is arranged through the top of the frame element 11.
In some of these embodiments, the first connecting element 13 is rectangular in cross section.
In some of these embodiments, the length of the cross section of the first connecting element 13 is equal to the length of the inner side of the longitudinal section of the frame element 11.
In some of these embodiments, the width of the cross section of the first connecting element 13 does not exceed 1/4 of the thickness of the frame element 11.
The first mounting element 14 is integrally formed with the frame element 11.
The number of first mounting elements 14 is adapted to the number of first connecting elements 13. Generally, each first connecting element 13 corresponds to at least one first mounting element 14.
In some of these embodiments, a first mounting element 14 is provided directly below each first connecting element 13.
In some of these embodiments, three first mounting elements 14 are provided below each first connecting element 13. Wherein, a first mounting element 14 is disposed on a side wall of the frame element 11, a first mounting element 14 is disposed on another side wall of the frame element 11, and a first mounting element 14 is disposed on a bottom wall of the frame element 11, i.e. three first mounting elements 14 are arranged in a concave shape. Wherein, the two ends of the first mounting element 14 positioned at the bottom wall of the frame element 11 are respectively connected with the other two first mounting elements 14, or the three first mounting elements 14 are not connected with each other.
In some of these embodiments, the first mounting element 14 is a card slot.
In some of these embodiments, the longitudinal section of the first mounting element 14 is concave.
In some of these embodiments, the open end of the longitudinal section of the first mounting element 14 is arranged towards the first connecting element 13.
In some of these embodiments, the shape and size of the outer profile of the longitudinal section of the first mounting element 14 corresponds to the shape and size of the inner profile of the longitudinal section of the frame element 11, i.e. the first mounting element 14 is arranged against the inner wall of the frame element 11.
In some of these embodiments, the width of the cross section of the first mounting element 14 is less than or equal to the width of the cross section of the first connecting element 13.
In some of these embodiments, the second connecting element 15 is a second opening, i.e. the second connecting element 15 is arranged through the front of the frame element 11.
In some of these embodiments, the second connecting element 15 has a circular longitudinal section.
The second mounting element 16 is arranged on the side of the frame element 11 remote from the plate element 12.
The second mounting element 16 is integrally formed with the frame element 11.
In some of these embodiments, the second mounting element 16 is a bezel.
In some of these embodiments, the second mounting element 16 is hollow and annular in longitudinal section.
In some of these embodiments, the shape and size of the outer longitudinal section contour of the second mounting element 16 corresponds to the shape and size of the inner longitudinal section contour of the frame element 11, i.e. the second mounting element 16 is arranged against the inner wall of the frame element 11.
As shown in fig. 3, the filter unit 20 includes a cover member 21, a frame member 22, and a filter member 23. Wherein the cover element 21 is detachably connected to the housing unit 10; the frame member 22 is fixed to the bottom of the cover member 21 and detachably connected to the case unit 10; a filter element 23 is detachably arranged inside the frame element 22 for filtering large particle contaminants.
Specifically, the cover member 21 is detachably connected to the first connecting member 13; the frame member 22 is removably connected to the first mounting member 14.
The number of the filter units 20 is equal to the number of the first connecting elements 13, that is, the filter units 20 are in one-to-one correspondence with the first connecting elements 13.
The cover element 21 is of a plate structure.
In some of these embodiments, the cross-section of the cover element 21 is shaped and sized to correspond to the cross-section of the first connecting element 13.
In some of these embodiments, the thickness of the cover element 21 is equal to the wall thickness of the top of the frame element 11.
The frame member 22 is slidably coupled to the first mounting member 14.
The frame element 22 is integrally formed with the cover element 21.
In some of these embodiments, the longitudinal section of the frame element 22 is concave.
In some of these embodiments, the length of the cross section of the frame element 22 is equal to the length of the cross section of the cover element 21.
In some of these embodiments, the width of the cross-section of the frame element 22 is equal to the width of the slot of the first mounting element 14.
In some of these embodiments, the filter element 23 is bonded to the frame element 22.
In some of these embodiments, the filter element 23 is of an accordion structure.
In some of these embodiments, the filter element 23 has a longitudinal cross-section that is shaped and sized to conform to the shape and size of the inner profile of the longitudinal cross-section of the frame element 22. I.e. the filter element 23 is embedded inside the frame element 22.
In some of these embodiments, the filter element 23 is a dense porous material, including, but not limited to, green white filter cotton, and the like.
Further, the filter unit 20 also comprises a handle element 24. Wherein the handle element 24 is fixed to the top of the cover element 21.
The handle member 24 is integrally formed with the cover member 21.
In some of these embodiments, the handle element 24 has a longitudinal cross-section that is shaped like a gate. Specifically, the open end of the longitudinal section of the handle element 24 is connected to the cover element 21.
As shown in fig. 4, the liquid blocking unit 30 includes a third mounting member 31 and a liquid blocking member 32. Wherein the third mounting element 31 is detachably connected to the housing unit 10; a liquid blocking member 32 is fixed to the inside of the third mounting member 31 for preventing liquid from entering the housing unit 10.
Specifically, the third mounting element 31 is detachably connected to the second mounting element 16.
The third mounting element 31 is clamped with the second mounting element 16.
The third mounting element 31 is a frame structure.
In some of these embodiments, the third mounting element 31 includes a first latch and an outer frame. Wherein the first latch is detachably connected to the second mounting element 16; the outer frame and the first clamping block are integrally formed.
In some of these embodiments, the longitudinal cross-section of the first clip is shaped and sized to conform to the shape and size of the longitudinal cross-section inner profile of the second mounting member 16.
In some of these embodiments, the shape and size of the outer profile of the longitudinal section of the outer frame corresponds to the shape and size of the inner profile of the longitudinal section of the frame element 11. I.e. the outer frame is nested inside the frame element 11.
The liquid blocking member 32 is fixed to the inner side of the third mounting member 31.
In some of these embodiments, the liquid blocking member 32 is a transverse louver.
As shown in fig. 5, the connection unit 40 includes an adapter element 41 and a fourth connection element 42. Wherein the adapter element 41 is detachably connected with the housing unit 10; the two ends of the fourth connecting element 42 are detachably connected with the adapting element 41 and the air inlet of the outdoor unit respectively.
Specifically, the adapter member 41 is provided at the lower portion of the plate member 12 and is detachably connected to the second connecting member 15.
In some of these embodiments, the adapter element 41 comprises a first tube and a second tube. Wherein the first end of the first tube member is detachably connected to the second connecting element 15; the two ends of the second pipe fitting are respectively connected with the first pipe fitting and the fourth connecting element 42.
In some of these embodiments, the first tube and the second connection element 15 are connected by bolts.
In some of these embodiments, the outer diameter of the first tube is equal to the diameter of the longitudinal section of the second connecting element 15.
In some of these embodiments, the first tube is a flanged tube.
The second pipe fitting and the first pipe fitting are integrally formed.
In some of these embodiments, the second tube is cylindrical or frustoconical. Specifically, when the outer pipe diameter of the first pipe fitting is equal to the outer pipe diameter of the air inlet of the outdoor unit, the second pipe fitting is of a cylindrical structure; when the outer pipe diameter of the first pipe fitting is different from the outer pipe diameter of the air inlet of the outdoor unit, the second pipe fitting is in a truncated cone structure.
In some of these embodiments, the outer pipe diameter of the first end of the second pipe is equal to the outer pipe diameter of the first pipe, and the outer pipe diameter of the second end of the second pipe is equal to the outer pipe diameter of the air inlet of the outdoor unit.
In some of these embodiments, the second tube is a PE tube.
The fourth connecting element 42 is sleeved with the adapter element 41.
In some of these embodiments, the fourth connecting element 42 is a flexible tube structure.
In some embodiments, the inner pipe diameter of the fourth connecting element 42 is equal to the outer pipe diameter of the air inlet of the outdoor unit.
In some of these embodiments, the fourth connecting element 42 is a flexible hose.
Further, the connection unit 40 further comprises a sealing element 43. The sealing element 43 is disposed at the connection between the fourth connecting element 42 and the adapting element 41, and the air inlet of the outdoor unit.
In some of these embodiments, the sealing element 43 is a bead of sealing material.
The application method of the utility model is as follows:
first filtering
The air inlet of the fresh air outdoor unit and the switching element 41 are respectively connected with the fourth connecting element 42 through the sealing element 43;
when the fresh air outdoor unit works, large-particle pollutants (floating dust, greasy dirt and the like) and insects in the outdoor air are adsorbed or intercepted by the filter element 23.
(II) cleaning/replacement
When the thickness or density of contaminants adsorbed by the filter element 23 affects the adsorption efficiency of the filter element 23, the filter unit 20 is integrally drawn out through the handle element 24 to replace or clean the filter element 23.
The utility model has the advantages that by arranging the detachable filtering unit, large-particle pollutants such as oil smoke are filtered in advance before the outdoor air enters the fresh air system device, the filtering material of the filtering unit has low cost, and the problems that the frequency of replacing the filter screen is increased, the use cost is increased, insects are easy to enter the inside of the fan device and the service life of the fan is difficult to clean and the like due to the fact that the air filter is easily blocked by the large-particle pollutants such as oil smoke are solved.
Example 2
This embodiment is a modified embodiment of embodiment 1.
As shown in fig. 6, the fresh air outdoor unit straining device further includes a fixing unit 50 and a liquid discharging unit 60. Wherein, the fixing unit 50 is detachably disposed at the bottom of the case unit 10 for fixing the coarse filtering device; the liquid discharging unit 60 is detachably disposed at the bottom of the housing unit 10, and is used for discharging the accumulated liquid in the housing unit 10.
As shown in fig. 7, the housing unit 10 further comprises a third connecting element 17. Wherein the third connecting member 17 is disposed at the bottom of the frame member 22 and detachably connected with the liquid discharging unit 60.
Specifically, the third connection member 17 is provided at the bottom of the frame member 11 on the side close to the liquid-blocking unit 30.
In some of these embodiments, the third connecting element 17 is a third opening, i.e. the third connecting element 17 is arranged through the bottom of the frame element 11.
The third connecting element 17 is a third opening.
In some of these embodiments, the third connecting element 17 is rectangular in cross section.
In some of these embodiments, the third connecting element 17 comprises a second latch. Specifically, the second clamping block is disposed at the bottom of the third connecting element 17 and detachably connected to the liquid draining unit 60.
In some of these embodiments, the cross section of the second latch is annular.
In some of these embodiments, the thickness of the second latch is less than or equal to 1/2 of the thickness of the bottom plate of the frame member 22.
As shown in fig. 8, a fixing member 51 for fixing the straining device is detachably provided at the bottom of the housing unit 10
Specifically, the fixing member 51 is detachably provided to the bottom of the frame member 11.
In some of these embodiments, the securing element 51 includes a base and several supports. Wherein the base is detachably connected with the bottom of the frame element 11; a plurality of support pieces are fixedly connected with the base.
In some of these embodiments, the base is snap-fit to the frame member 11.
In some of these embodiments, the shape and size of the cross-sectional inner profile of the base corresponds to the shape and size of the cross-sectional outer profile of the frame element 11. I.e. the frame element 11 is embedded in the base.
In some of these embodiments, the cross-section of the base is rectangular.
The number of the supporting pieces is at least 4. Specifically, at least 1 support piece is respectively arranged at four corners of the base.
In some of these embodiments, the number of supports is 4, with 1 support being provided at each of the four corners of the base.
In some of these embodiments, the fixation element 51 is made of a denser material, including but not limited to metal.
As shown in fig. 9, the liquid discharge unit 60 includes a liquid discharge element 61. The drain element 61 is detachably disposed at the bottom of the housing unit 10, and is used for draining the accumulated liquid in the housing unit 10.
Specifically, the drain member 61 is provided at the bottom of the frame member 11, and is detachably connected to the third connecting member 17.
In some of these embodiments, the drain member 61 is engaged with the third connecting member 17.
In some of these embodiments, the cross-section of the drainage element 61 is shaped and sized to correspond to the cross-section of the third connecting element 17.
In some of these embodiments, the thickness of the drain member 61 is equal to the difference between the thickness of the bottom plate of the frame member 11 and the thickness of the second latch.
In some of these embodiments, the drainage element 61 is a grid.
The application method of the utility model is as follows:
liquid discharge:
the liquid drain member 61 is internally installed at the bottom of the frame member 11, and if liquid inadvertently enters the case unit 10 from the liquid blocking member 32, the liquid can be timely discharged through the liquid drain member 61.
The utility model has the advantages that the coarse filtration device can be fixed on the ground by arranging the fixing unit so as to prevent the coarse filtration device from being damaged due to strong wind weather or man-made collision; by arranging the liquid draining unit, the accumulated liquid in the shell unit can be drained in time, so that the phenomenon that the filter unit is soaked excessively due to accumulation of liquid is avoided, and the service effect and the service life of the filter unit are reduced.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. The utility model provides a new trend off-premises station straining device which characterized in that includes:
a shell unit;
the filtering units are arranged inside the shell unit and are used for filtering large-particle pollutants;
the liquid blocking unit is detachably arranged on the outer side of the shell unit and used for preventing liquid from entering the shell unit;
and the two ends of the connecting unit are detachably connected with the shell unit and the air inlet of the outdoor unit respectively.
2. The fresh air outdoor unit straining device according to claim 1, wherein the case unit comprises:
the frame element is detachably connected with the filtering unit and the liquid blocking unit respectively;
a plate member fixed to a rear portion of the frame member and detachably connected to the connection unit;
the first connecting elements are arranged at the top of the frame element at intervals and are detachably connected with the corresponding filtering units;
the first installation elements are arranged in the frame element at intervals and are positioned right below the corresponding first connection elements, and the first installation elements are detachably connected with the corresponding filter units;
a second connection member provided at a lower portion of the plate member and detachably connected with the connection unit;
and the second installation element is arranged at the front part of the frame element and is detachably connected with the liquid resistance unit.
3. The fresh air outdoor unit straining device according to claim 1, wherein the filtering unit comprises:
a cover member detachably connected to the housing unit;
a frame member fixed to a bottom of the cover member and detachably coupled with the case unit;
and the filter element is detachably arranged in the frame element and is used for filtering large-particle pollutants.
4. The fresh air outdoor unit straining device according to claim 3, wherein the filtering unit further comprises:
a handle element secured to the top of the cover element.
5. The fresh air outdoor unit straining device according to claim 1, wherein the liquid blocking unit comprises:
a third mounting element detachably connected to the housing unit;
and the liquid resistance element is fixed inside the third mounting element and is used for preventing liquid from entering the shell unit.
6. The fresh air outdoor unit straining device according to claim 1, wherein the connection unit comprises:
an adapter element detachably connected to the housing unit;
and two ends of the fourth connecting element are detachably connected with the switching element and the air inlet of the outdoor unit respectively.
7. The fresh air outdoor unit straining device of claim 6, wherein the connection unit further comprises:
and the sealing element is respectively arranged at the connection parts of the fourth connecting element, the switching element and the air inlet of the outdoor unit.
8. The fresh air outdoor unit straining device according to any one of claims 1 to 7, further comprising:
the fixing unit is detachably arranged at the bottom of the shell unit and is used for fixing the rough filtering device;
the liquid draining unit is detachably arranged at the bottom of the shell unit and used for draining accumulated liquid in the shell unit.
9. The fresh air outdoor unit straining device of claim 8, wherein the housing unit further comprises:
and the third connecting element is arranged at the bottom of the shell unit and is detachably connected with the liquid draining unit.
10. The fresh air outdoor unit straining device of claim 8, wherein the fixing unit comprises:
the fixing element is detachably arranged at the bottom of the shell unit and is used for fixing the rough filtering device; and/or
The liquid discharge unit includes:
the liquid draining element is detachably arranged at the bottom of the shell unit and used for draining the accumulated liquid in the shell unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320860962.9U CN219454189U (en) | 2023-04-18 | 2023-04-18 | Fresh air outdoor unit coarse filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320860962.9U CN219454189U (en) | 2023-04-18 | 2023-04-18 | Fresh air outdoor unit coarse filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219454189U true CN219454189U (en) | 2023-08-01 |
Family
ID=87385011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320860962.9U Active CN219454189U (en) | 2023-04-18 | 2023-04-18 | Fresh air outdoor unit coarse filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219454189U (en) |
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2023
- 2023-04-18 CN CN202320860962.9U patent/CN219454189U/en active Active
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