CN218993572U - Filter device for fresh air machine - Google Patents
Filter device for fresh air machine Download PDFInfo
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- CN218993572U CN218993572U CN202221086527.7U CN202221086527U CN218993572U CN 218993572 U CN218993572 U CN 218993572U CN 202221086527 U CN202221086527 U CN 202221086527U CN 218993572 U CN218993572 U CN 218993572U
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Abstract
The utility model discloses a filtering device for a fresh air machine, which comprises a filtering shell, wherein a connecting piece which is convenient for installing the filtering shell on the fresh air machine is convexly arranged on the peripheral side of the filtering shell, and a fresh air inlet used for feeding fresh air into a room and an outdoor air inlet and outlet used for discharging waste air out of the room or feeding fresh air into the room are formed on the filtering shell; the filtering shell is also detachably provided with a filtering piece which is positioned at the fresh air inlet so as to filter the fresh air entering the room through the fresh air inlet. The filter element of the filter device for the fresh air machine does not occupy the space of the fresh air machine main body, and the cleaning and maintenance cost of the fresh air machine main body is reduced; the fresh air inlet and the outdoor air inlet and outlet can be cleaned only by detaching the filtering shell from the fresh air machine main body, and meanwhile, the filtering piece can be replaced, so that the cleaning procedure is greatly simplified.
Description
Technical Field
The utility model belongs to the technical field of new fans, and particularly relates to a filtering device for a new fan.
Background
The filter equipment is the important component part of new fan, and new fan passes through filter equipment and realizes the purification to the air. In order to achieve effective air purification, the filter device is generally provided with multiple filter structures on its fresh air passage. The utility model discloses a ceiling type fresh air purifying all-in-one machine according to Chinese patent publication No. CN215571012U, the fresh air machine comprises a main machine with a main machine upper part and a main machine lower part, wherein the main machine upper part is provided with two centrifugal fans, a front filter and a rear filter, one side of the main machine upper part is provided with a fresh air inlet for communicating outdoors, the main machine upper part comprises a first chamber and a second chamber which are arranged side by side left and right, two centrifugal fans are arranged above the first chamber side by side, an air inlet of each centrifugal fan is provided with the front filter, an air outlet of each centrifugal fan faces to the upper part of the second chamber, the second chamber is provided with the rear filter, and the lower part of the main machine is provided with an air outlet. When the fresh air machine works, air flows through the front filter element, the centrifugal fan and the rear filter element and then is blown out from the air outlet.
Another example is that chinese patent application with publication number CN113685931a discloses a window type fresh air blower which is convenient for cleaning the dust in the later stage, the fresh air blower comprises a blower housing, a front plate and a rear plate which are detachably connected to one side of the blower housing, wherein the inner cavity of the blower housing is respectively provided with an air inlet chamber and an air outlet chamber, the air inlet chamber is internally provided with a filter element, a motor for controlling the filter element to rotate and a cleaning piece for cleaning the dust on the surface of the filter element, and the air inlet chamber also comprises an air suction piece for drawing out the air entering the inner cavity of the filter element; the back plate is provided with an air inlet which corresponds to the air inlet chamber and is provided with an air inlet filter screen. This new fan filters the air through filter core and filter screen, utilizes the clearance piece to clear up the filter core surface.
The existing fresh air machine has the following defects: the filtering pieces for filtering the fresh air are arranged in the main machine of the fresh air machine, so that the volume of the main machine is increased, and the disassembly and assembly are inconvenient; and the fresh air inlet on the fresh air fan shell is at a certain distance from the fresh air inlet to the filter element, and unfiltered fresh air can pollute the inner space of the fresh air fan, so that the cleaning and maintenance burden of the fresh air fan is increased.
Disclosure of Invention
The utility model aims to provide a filtering device for a fresh air fan, which is convenient to assemble, disassemble and clean.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the filtering device for the fresh air machine comprises a filtering shell, wherein a connecting piece which is convenient for installing the filtering shell on the fresh air machine is convexly arranged on the peripheral side of the filtering shell, and a fresh air inlet used for feeding fresh air into a room and an outdoor air inlet and outlet used for discharging waste air out of the room or feeding fresh air into the room are formed on the filtering shell; the filtering shell is also detachably provided with a filtering piece which is positioned at the fresh air inlet so as to filter the fresh air entering the room through the fresh air inlet.
The utility model is provided with a filter shell which is detachably and fixedly connected with a fresh air fan main body, and a fresh air inlet and an outdoor air inlet are integrated on the filter shell together, so that a filter piece is also detachably arranged on the filter shell; therefore, the filter piece does not occupy the main body space of the fresh air fan, the distance between the filter piece and the fresh air inlet is short, and unfiltered fresh air only passes through the filter shell and cannot enter the main body of the fresh air fan, so that the cleaning and maintenance cost of the main body of the fresh air fan is reduced; the fresh air inlet and the outdoor air inlet and outlet can be cleaned only by detaching the filtering shell from the fresh air machine main body, and meanwhile, the filtering piece can be replaced, so that the cleaning procedure is greatly simplified.
The utility model simultaneously sets the fresh air inlet and the outdoor air inlet and outlet on the filtering shell, wherein the fresh air inlet is used for introducing fresh air into the room, and the fresh air entering the room from the fresh air inlet is filtered because the filtering piece is arranged at the fresh air inlet; the outdoor wind inlet and outlet can be used for introducing fresh wind into the room and also can be used for exhausting outdoor waste wind; it should be noted that when it is used to introduce fresh air, the fresh air entering the room is unfiltered, and is suitable for more urgent situations where rapid ventilation of the room is required.
Because the outdoor wind inlet and outlet and the fresh air inlet are the same and can accumulate dust after long-term use, and all have cleaning requirements, the outdoor wind inlet and outlet and the fresh air inlet are simultaneously arranged on the filtering shell, so that synchronous cleaning is convenient.
In the filtering device for the fresh air machine, the outdoor air inlet and the outdoor air outlet are arranged in the center of the filtering shell, and the fresh air inlets are arranged on two opposite sides of the outdoor air inlet and the outdoor air outlet in pairs.
The outdoor air inlet and outlet are arranged in the center of the filtering shell, so that the distance between the outdoor air inlet and outlet and the fresh air fan main machine is shortened as much as possible, the distance of an airflow passage of the fresh air fan when a large amount of outdoor fresh air is required to be introduced or waste gas is required to be rapidly discharged is shortened, and the working efficiency of the fresh air fan is improved; and at this time, the fresh air inlets are arranged on the two sides of the outdoor air inlet and outlet in pairs, so that the space of the filtering shell can be fully utilized, and the air quantity when fresh air is introduced is increased.
In the utility model, the sealing piece arranged around the outer edge of the opening of the outdoor air inlet and outlet is arranged on one side of the filter shell facing the indoor, and the sealing piece is convenient for sealing the outdoor air inlet and outlet so as to send fresh air into the indoor through the fresh air inlet.
In order to ensure that the outer edge of the opening of the outdoor air inlet and outlet is in sealing contact with the main machine of the fresh air fan, the outer edge of the opening of the outdoor air inlet and outlet is wound with a sealing piece, and the sealing piece is in sealing contact with the main machine of the fresh air fan to effectively prevent the phenomenon of air leakage from affecting the use effect of the fresh air fan when air flows into and out of the opening of the outdoor air inlet and outlet.
Preferably, the area of the fresh air inlet is larger than the area of the outdoor air inlet.
It should be understood by those skilled in the art that, in actual use, the requirement of the fresh air intake is far greater than the requirement of exhaust air, i.e. the dependence on fresh air intake is higher; therefore, the area of the fresh air inlet is larger than that of the outdoor air inlet and outlet, and the air quantity capable of introducing fresh air is effectively increased under the condition that the area of the filtering device is fixed. Meanwhile, the filtering piece is arranged at the fresh air inlet, so that the resistance of passing the fresh air is high, and the opening of the fresh air inlet is also required to be increased to ensure the air inlet quantity.
In the utility model, the fresh air inlet is rectangular, a row of first rain shielding sheets are arranged at the inner edge of an opening of the fresh air inlet, each first rain shielding sheet is obliquely downwards arranged from one end facing the indoor to one end facing the outdoor, and projections of two adjacent first rain shielding sheets in the horizontal direction are provided with mutually overlapped parts.
In order to be favorable for installing to new fan main part, the filtration casing sets up to be the rectangle preferred, and new trend entry sets up to the rectangle then can make full use of filtration casing.
The fresh air inlet is provided with the filter element outside the straight surface, and the outdoor wind which is not blocked possibly brings sundries or rainwater to lose the service life of the filter element, and the first rain shield can play a role in protecting the filter element. Since the first weather shield is provided obliquely downward from the end facing the indoor to the end facing the outdoor, rainwater falling on the first weather shield can flow back to the outdoor along the inclined surface thereof without entering the indoor. The projections of two adjacent rain shields in the horizontal direction are arranged to have mutually overlapped parts, so that the rain water can be prevented from entering to the greatest extent.
Preferably, the outdoor wind inlet and outlet is strip-shaped, a row of second rain shielding sheets are arranged at the inner edge of the opening of the outdoor wind inlet and outlet, each second rain shielding sheet is obliquely downwards arranged from one end facing the indoor to one end facing the outdoor, and projections of two adjacent second rain shielding sheets in the horizontal direction are provided with mutually overlapped parts.
The outdoor wind inlet and outlet are strip-shaped and are also practical installation consideration of the fresh air blower, and the outdoor wind inlet and outlet are closest to the fresh air blower host, and face outdoors, so that rainwater easily enters the fresh air blower host through the outdoor wind inlet and outlet to influence the operation of the fresh air blower host, and unnecessary loss is caused. Therefore, the utility model also provides a second rain shield at the outdoor wind inlet and outlet.
Obviously, the fresh air inlet and the outdoor air inlet are rectangular or strip-shaped only relatively, and the filter device for the fresh air blower is limited by the convenience in installation of the filter device for the fresh air blower in the current daily state.
In the filtering device for the fresh air machine, a containing groove opposite to the fresh air inlet is concavely formed on one side of the filtering shell facing the indoor, and the filtering piece is detachably arranged in the containing groove;
the outdoor side of the filter shell is detachably connected with a protective cover plate, a plurality of rows of fresh air inlet holes opposite to the fresh air inlet are formed in the protective cover plate, and each row of fresh air inlet holes comprises at least two adjacent rows of fresh air inlet holes which are arranged in a staggered manner; the protection cover plate is provided with an avoidance port corresponding to the outdoor wind inlet and outlet.
Through set up the filter spare with the relative storage tank of new trend entry position, because outdoor new trend gets into filter housing and filters immediately when saving space can also improve the filtration quality of outdoor new trend, also reduce the demand to the energy consumption when filtering.
In order to further protect the service life of the fresh air machine, in particular the filter element, a detachable protective cover plate is arranged on the side of the filter shell facing the outside; the opening of the fresh air inlet hole on the protection cover plate is smaller, and sundries (such as flies, leaves and the like) possibly brought by the outdoor fresh air can be further isolated on the premise that the fresh air inlet is not influenced.
In the utility model, the filter shell is hinged with the clamping piece, and the clamping piece is connected with the first elastic structure which enables the clamping piece to have a swinging trend towards the filter shell and fix the filter piece in the accommodating groove;
the clamping pieces are arranged on two opposite sides of the same accommodating groove in pairs; or the clamping piece is arranged on one side of the accommodating groove, and a limiting flange opposite to the clamping piece is arranged on the other side of the accommodating groove.
The clamping piece is used for fixing the filter piece in the accommodating groove through the first elastic structure, so that the filter piece is firmly connected with the filter shell, the filter piece is easy to install, and subsequent maintenance, inspection and cleaning are easy to conduct. According to the actual use scene, the clamping pieces can be arranged on the two opposite sides of the accommodating groove, and the filtering piece is stabilized by the opposite acting force of the clamping pieces on the two opposite sides swinging towards the filtering shell; or one side of the accommodating groove is provided with the clamping piece, the other side of the accommodating groove is provided with the limiting flange opposite to the clamping piece, and when the accommodating groove is installed, one end of the filtering piece is firstly placed into a space surrounded by the bottom of the accommodating groove and the limiting flange, and then the other end of the filtering piece is clamped by the clamping plate.
In the filtering device for the fresh air machine, at least two connecting pieces are respectively arranged on two opposite sides of the filtering shell, at least one connecting piece is a movable connecting piece, the movable connecting piece is movably connected with the filtering shell and is provided with a connecting position extending out of the filtering shell so as to be connected with the fresh air machine and a disassembling position retracting into the filtering shell so as to be separated from the fresh air machine.
According to the utility model, the filter shell is mounted on the fresh air fan through the connecting pieces, and the connecting pieces are at least two and are respectively arranged on two opposite sides of the filter shell, so that the mounting stability of the filter and the fresh air fan is improved.
In order to facilitate the disassembly and assembly between the filtering shell and the fresh air fan main body, at least one of the connecting pieces is a movable connecting piece. When the filter shell is required to be connected with the fresh air ventilator, the movable connecting piece on the filter shell extends out of the filter shell, and the connecting position of the movable connecting piece is the connecting position; when the filtering shell is required to be separated from the fresh air ventilator, the movable connecting piece on the filtering shell is retracted into the filtering shell, and the detachable position of the movable connecting piece is the moment.
Preferably, the movable connecting piece comprises a connecting piece body, an assembling groove is formed on the filtering shell, the connecting piece body is connected in the assembling groove in a sliding way, and a sliding guide piece is arranged between the connecting piece body and the assembling groove;
the connecting piece body is provided with a connecting part, the assembling groove is provided with an opening for the connecting part to extend out, and the opening is formed on the outer periphery side of the filtering shell; a second elastic structure which enables the connecting piece body to have a sliding trend so that the connecting part extends out of the opening of the assembly groove is connected between the connecting piece body and the assembly groove;
the filter shell is provided with a through hole communicated with the assembly groove on one side facing outdoors, and a groove which is convenient for applying reaction force counteracting the sliding trend of the connector body is formed on one side facing the through hole of the connector body.
When the filter shell is mounted on the fresh air fan main body, a user stretches fingers into the grooves from the through holes, reaction force for counteracting the sliding trend of the fingers is applied to the connector body, and the connector is retracted into the assembly groove; after the filtering shell is placed to a preset position, the connecting piece body is loosened, and driven by the second elastic structure, the connecting piece body slides in the assembly groove so that the connecting part extends out of the outer periphery side of the filtering shell, and therefore the filtering shell is connected with the fresh air fan main body.
The movable connecting piece is simple in structure and reasonable in design, and the connection or the separation of the filtering shell and the fresh air fan main body can be realized through simple pulling-releasing action, so that the disassembly and assembly work of the filtering shell is easier to carry out.
Compared with the prior art, the utility model has the advantages that:
(1) The utility model is provided with a filter shell which is detachably and fixedly connected with a fresh air fan main body, and a fresh air inlet and an outdoor air inlet are integrated on the filter shell together, so that a filter piece is also detachably arranged on the filter shell; therefore, the filter piece does not occupy the main body space of the fresh air fan, the distance between the filter piece and the fresh air inlet is short, and unfiltered fresh air only passes through the filter shell and cannot enter the main body of the fresh air fan, so that the cleaning and maintenance cost of the main body of the fresh air fan is reduced; the fresh air inlet and the outdoor air inlet and outlet can be cleaned only by detaching the filtering shell from the fresh air machine main body, and meanwhile, the filtering piece can be replaced, so that the cleaning procedure is greatly simplified.
(2) The utility model simultaneously sets the fresh air inlet and the outdoor air inlet and outlet on the filtering shell, wherein the fresh air inlet is used for introducing fresh air into the room, and the fresh air entering the room from the fresh air inlet is filtered because the filtering piece is arranged at the fresh air inlet; the outdoor wind inlet and outlet can be used for introducing fresh wind into the room and also can be used for exhausting outdoor waste wind; it should be noted that when it is used to introduce fresh air, the fresh air entering the room is unfiltered, and is suitable for more urgent situations where rapid ventilation of the room is required. Because the outdoor wind inlet and outlet and the fresh air inlet are the same and can accumulate dust after long-term use, and all have cleaning requirements, the outdoor wind inlet and outlet and the fresh air inlet are simultaneously arranged on the filtering shell, so that synchronous cleaning is convenient.
(3) According to the utility model, the outdoor air inlet and outlet is arranged in the center of the filtering shell, so that the distance between the outdoor air inlet and outlet and the fresh air fan main machine can be shortened as much as possible, the distance of an airflow passage of the fresh air fan when a large amount of outdoor fresh air needs to be introduced or waste gas is rapidly discharged is shortened, and the working efficiency of the fresh air fan is improved; and at this time, the fresh air inlets are arranged on the two sides of the outdoor air inlet and outlet in pairs, so that the space of the filtering shell can be fully utilized, and the air quantity when fresh air is introduced is increased.
(4) In the utility model, in order to ensure that the outer edge of the opening of the outdoor air inlet and outlet is in sealing contact with the main machine of the fresh air fan, the outer edge of the opening of the outdoor air inlet and outlet is wound with the sealing piece, and the sealing piece is in sealing contact with the main machine of the fresh air fan, so that the phenomenon of air leakage generated when air flows in and out of the opening of the outdoor air inlet and outlet is effectively prevented from influencing the use effect of the fresh air fan.
(5) In the utility model, because the scene requirement of the fresh air to be introduced is far greater than the requirement of the exhaust waste air in actual use, namely the dependence on the introduced fresh air is higher, the area of the fresh air inlet is set to be greater than the area of the outdoor air inlet and outlet, and the air quantity of the introduced fresh air can be effectively increased under the condition that the area of the filtering device is certain; meanwhile, the filtering piece is arranged at the fresh air inlet, so that the resistance of passing the fresh air is high, and the opening of the fresh air inlet is also required to be increased to ensure the air inlet quantity.
(6) In the utility model, in order to facilitate the installation on the fresh air fan main body, the filtering shell is preferably rectangular, the fresh air inlet is rectangular, and the outdoor air inlet and outlet are strip-shaped, so that the filtering shell can be fully utilized.
(7) In the utility model, as the filter element is arranged outside the straight surface of the fresh air inlet, the outdoor wind which is not blocked possibly brings sundries or rainwater to lose the service life of the filter element, and the first rain shield can play a role in protecting the filter element; because the first rain shield is obliquely downwards arranged from one end facing the indoor to one end facing the outdoor, rainwater falling on the first rain shield can flow back to the outdoor along the inclined surface of the first rain shield without entering the indoor; the projections of two adjacent rain shields in the horizontal direction are provided with mutually overlapped parts, so that rainwater can be prevented from entering to the greatest extent; similarly, the outdoor wind inlet and outlet is also provided with a second rain shield which has the same function as the first rain shield.
(8) According to the utility model, the filter piece is arranged in the accommodating groove opposite to the fresh air inlet, so that the space is saved, the outdoor fresh air enters the filter shell for immediate filtration, the filtration quality of the outdoor fresh air can be improved, and the energy consumption requirement during filtration is reduced.
(9) In the utility model, in order to further protect the service life of the fresh air machine, particularly the filter element, a detachable protection cover plate is arranged on one side of the filter shell facing the outdoor; the opening of the fresh air inlet hole on the protection cover plate is smaller, and sundries (such as flies, leaves and the like) possibly brought by the outdoor fresh air can be further isolated on the premise that the fresh air inlet is not influenced.
(10) According to the utility model, the clamping piece is used for fixing the filter piece in the accommodating groove through the first elastic structure, so that the filter piece is firmly connected with the filter shell, and the filter piece is easy to install and also easy to maintain, inspect and clean subsequently. According to the actual use scene, the clamping pieces can be arranged on the two opposite sides of the accommodating groove, and the filtering piece is stabilized by the opposite acting force of the clamping pieces on the two opposite sides swinging towards the filtering shell; or one side of the accommodating groove is provided with a clamping piece, the other side of the accommodating groove is provided with a limiting flange opposite to the clamping piece, and the clamping piece and the limiting flange cooperate to fix the filter piece.
(11) According to the utility model, the movable connecting piece for connecting the filtering shell and the fresh air fan main body is simple in structure and reasonable in design, and the filtering shell and the fresh air fan main body can be connected or separated through simple pulling-releasing action, so that the disassembly and assembly work of the filtering shell is easier to carry out.
Drawings
FIG. 1 is a schematic diagram of a filtering device for a fresh air machine according to the present utility model;
FIG. 2 is a schematic view of the filtering device for a fresh air machine according to the present utility model in another view angle;
FIG. 3 is a schematic view of the filter housing of FIG. 1;
FIG. 4 is a schematic view of the filter housing of FIG. 1 from another perspective;
FIG. 5 is a schematic view of the protective cover plate in FIG. 1;
FIG. 6 is a schematic view of the protective cover plate of FIG. 1 from another perspective;
FIG. 7 is a schematic view of the filter housing of FIG. 4;
FIG. 8 is a schematic view of the movable connector shown in FIG. 1;
Detailed Description
The following will illustrate specific embodiments and will further describe the technical scheme of the present utility model in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, the filtering device for a fresh air fan of the present embodiment includes a filtering housing 15; in order to facilitate the installation of the filter housing 15 to the fresh air fan main body, as shown in fig. 3, the filter housing 15 is rectangular, and a rectangular fresh air inlet 151 for feeding fresh air into the room and a strip-shaped outdoor air inlet 152 for discharging waste air to the outside or feeding fresh air into the room are formed on the filter housing 15; the fresh air inlet 151 is rectangular, and the outdoor air inlet 152 is strip-shaped, so that the platform provided by the filtering shell is fully utilized, and the ventilation quantity of the indoor and outdoor is increased.
As shown in fig. 3, in this embodiment, the outdoor air inlet and outlet 152 is disposed in the center of the filtering housing 15 to shorten the distance between the outdoor air inlet and outlet and the fresh air fan main unit as much as possible, so as to shorten the distance of the air flow path of the fresh air fan when a great amount of outdoor fresh air needs to be introduced or exhaust air needs to be rapidly discharged, and improve the working efficiency of the fresh air fan; the fresh air inlets 151 are paired on both sides of the outdoor air inlet and outlet, so that the space of the filter housing 15 can be fully utilized, and the air volume when fresh air is introduced can be increased.
In this embodiment, the fresh air inlet 151 and the outdoor air inlet 152 cannot simultaneously flow, and in order to avoid air flow between the fresh air inlet 151 and the outdoor air inlet 152, the sealing member 154 is wound around the outer edge of the opening of the outdoor air inlet 152.
Because the fresh air needs to be introduced in the actual use of the fresh air blower, the scene requirement is far greater than the requirement of exhausting waste air, that is, the dependence on the introduced fresh air is higher, in the embodiment, the area of the fresh air inlet 151 is greater than that of the outdoor air inlet 152; especially in the vertical direction, the lengths of both ends of the fresh air inlet 151 are greater than the length of the outdoor air inlet 152. Under the condition that the area of the filtering device is certain, the air quantity capable of introducing fresh air is effectively increased. Meanwhile, the filter 16 is disposed at the fresh air inlet 151, so that the resistance of the fresh air passing through is high, and the opening of the fresh air inlet 151 needs to be increased to ensure the air intake.
As shown in fig. 2, the filter housing 15 is formed with a receiving groove 155 recessed inward toward the indoor side, and the filter 16 is detachably mounted in the receiving groove 155. The filter 16 is positioned at the fresh air inlet 151 to filter fresh air entering the room through the fresh air inlet 151.
The filter element 16 in this embodiment is formed by combining a primary filter layer, a middle filter layer and a high-efficiency filter layer, and the primary filter layer, the middle filter layer and the high-efficiency filter layer are sequentially arranged along the fresh air flowing direction, so that the filtering effect of the filter element 16 on the fresh air is gradually enhanced.
In practice, the filter element 16 may be a composite filter element formed by compositing a filter screen layer, an activated carbon layer and a filter sea paper; of course, the primary filter layer, the middle filter layer and the high-efficiency filter layer may be sequentially installed in the accommodating groove 155, which is not limited in this embodiment.
In this embodiment, the filter element 16 is detachably mounted in the accommodating groove 155 in the following manner: the filter housing 15 is hinged with a clamping member 18, and the clamping member 18 is connected with a first elastic structure (not shown in the figure) which enables the clamping member 18 to swing towards the filter housing 15 to fix the filter member 16 in the accommodating groove 155, and the first elastic structure may be a torsion spring.
The clamping members 18 may be disposed at opposite ends of the accommodating groove 155 in pairs, or as shown in fig. 2, the clamping members 18 may be disposed at only one end of the accommodating groove 155, and a limit rib opposite to the clamping members 18 may be disposed at the other end of the accommodating groove 155; when in installation, one end of the filter element 16 is firstly placed in a space surrounded by the bottom of the accommodating groove 155 and the limiting flange, and then the other end of the filter element 16 is clamped by the clamping element 18.
This embodiment adopts this kind of fixed mode to fix filter 16, and not only easy dismounting can also maximize the utilization filter material moreover, and current filter equipment needs to fix filter 16 through setting up multilayer fixed knot structure, and these multilayer fixed knot structures can block the outdoor new trend of convection current through filter material, influences filtration efficiency and still appears filtering the dead angle easily.
Since the fresh air inlet 151 is directly outdoor and is provided with the filter 16, the unobstructed outdoor wind may bring sundries or rainwater to lose the service life of the filter 16, the inner edge of the fresh air inlet 151 is provided with the first rain shield 151a, the first rain shield 151a is obliquely downwards arranged from one end facing the indoor to one end facing the outdoor, and the projections of two adjacent rain shields in the horizontal direction are provided with mutually overlapped parts, so that the entry of rainwater is prevented to the greatest extent.
Similarly, in this embodiment, a second weather shield 153 is also provided at the outdoor wind inlet 152, and the second weather shield 153 is provided in the same manner as the first weather shield 151 a.
As shown in fig. 6 and 7, and as can be seen in fig. 1, in order to avoid that the fresh air inlet 151 and the filter element 16 are blocked by large impurities such as flies or leaves, a protective cover plate 17 is detachably arranged on the side of the filter housing 15 facing the outdoor, and the protective cover plate 17 is provided with fresh air inlet holes 171 opposite to the fresh air inlet 151, each row of fresh air inlet holes 171 comprises at least two and two adjacent rows of fresh air inlet holes 171 are arranged in a staggered manner.
The fresh air intake holes 171 are arranged in a certain order (e.g., a matrix arrangement), and a plurality of smaller fresh air intake holes 171 are more advantageous for protecting the filter elements 16 mounted at the fresh air intake 151. Besides isolating the impurities possibly brought by the outdoor fresh air, the outdoor mosquito-repellent incense can also effectively prevent the outdoor mosquito and the like from entering.
The protection cover 17 is also provided with a relief port 172 corresponding to the position of the outdoor wind inlet 152.
In this embodiment, the detachable installation manner between the protection cover plate 17 and the filter housing 15 is: a fixed rib plate 156 positioned at two sides of the outdoor wind inlet 152 is arranged on one side of the filter shell 15 facing the outdoor, and a certain spacing groove 157 is arranged between the fixed rib plate 156 and the fresh air inlet 151; the fixing rib plate 156 is provided with a clamping groove formed by arranging and assembling a plurality of clamping blocks 158, and the protective cover plate 17 is correspondingly provided with a clamping strip 174. The clamping block 158 and the clamping strip 174 have L-shaped cross sections and are mutually buckled to fix the protective cover plate 17.
When assembled, the end of the clamping strip 174 facing the bottom end of the protective cover 17 is aligned with the clamping block 158 at the top end of the filter cover, so that the protective cover 17 slides from the top end of the filter housing 15 to the bottom end of the filter housing 15 until abutting against the bottom end of the filter housing 15. Because the locking block 158 and the locking strip 174 are locked with each other, the protection cover 17 is not separated from the filter housing 15.
In this embodiment, the filter housing 15 is connected to the main fan body through the connecting member 19 provided on the outer side Zhou Cetu, and in combination with fig. 1, 2, 3 and 7, two fixing connecting members 192 are provided on the top of the filter housing 15, and a movable connecting member 191 is provided in the center of the bottom of the filter housing 15, where the movable connecting member 191 and the outdoor air inlet and outlet 152 are located on the same axis. It should be noted that, in this embodiment, the "top" and "bottom" are merely descriptions of relative positions, and may be flexibly exchanged in practical application. As shown in fig. 7, the filter housing 15 is formed with an assembly groove 157 for mounting the movable connector 191, the assembly groove 157 having an opening 157a opened at the outer peripheral side of the filter housing 15; the movable connector 191 shown in fig. 8 includes a connector body 191a slidably connected in the assembly slot 157, a connecting portion 191b is integrally formed at an end of the connector body 191a facing the opening 157a, a second elastic structure (not shown) is abutted between an end of the connector body 191a away from the opening 157a and the assembly slot 157, and the movable connector 191 of the second elastic structure has a sliding trend toward the opening 157a so that the connecting portion 191b is stated from the opening 157a to be connected with the main body of the fresh air ventilator.
As shown in fig. 7 and 8, a sliding guide for restricting the sliding direction of the movable connector 191 is further provided between the connector body 191a and the fitting groove 157. The sliding guide member includes guide bars 191d protruding from opposite sides of the connector body 191a, and guide grooves 157b corresponding to the guide bars 191d are formed in the inner wall of the assembly groove 157 in a concave shape.
In order to facilitate the control of the movable connector 191, the fitting groove 157 has a through-hole 157c opened at the side of the filter housing 15 facing the protective cover 17, and the side of the connector body 191a facing the through-hole 157c is formed with a groove 191c for facilitating the application of a reaction force to the connector body 191a to counteract the sliding tendency thereof: the protective cover 17 is formed with a relief port 173 corresponding to the position of the through hole 157 c. In this way, the user can separate the filter housing 1 from the fresh air fan main body 100 by passing through the escape port 173 and the through-hole 157c and applying pressure from the groove 191c to retract the connection portion 51b into the fitting groove 17.
The filter equipment for new fan of this embodiment theory of operation does:
the filter elements 16 are respectively installed in the corresponding accommodating grooves 155 on the filter housing 15 in the following manners: the bottom end of the filter element 16 is placed into the rear pocket 155 and limited by the limit stop 20, and then the clip element 18 is turned out, the top end of the filter element 16 is also placed into the rear pocket 155 and the clip element 18 is released to secure the filter element 16 in the rear pocket 155: then, the protective cover plate 17 is mounted on the filter housing 15 by using the clamping block 158 and the clamping strip 174, at this time, when the filter device is assembled on the fresh air fan main body, the two fixed connecting pieces 192 on the filter housing 15 are fastened and fixed with the fresh air fan main body (the fresh air fan main body is provided with a clamping groove matched with the fresh air fan main body), then, from the avoiding opening 173 and the through opening 157c, pressure is applied to the movable connecting piece 191 from the groove 191c to pull down the movable connecting piece 191, so that the connecting piece 191b is retracted into the assembly groove 157, after the filter housing 15 is integrally embedded into the fresh air fan main body, the movable connecting piece 191 is released, and under the driving of the second elastic structure, the movable connecting piece 191 slides towards the opening 157a direction of the assembly groove 157, so that the connecting piece 191b extends out from the opening 157a and is clamped into the clamping groove matched with the fresh air fan main body, and the filter device is assembled on the fresh air fan.
When fresh air needs to be introduced into a room, outdoor fresh air sequentially passes through a fresh air inlet 171 of the protection cover plate 17 and a fresh air inlet 151 of the filter shell 15, is filtered by the filter piece 16 and enters the fresh air machine, and is sent into the room by the fresh air machine; when the fresh air fan needs to quickly introduce outdoor fresh air to accelerate indoor air circulation, the outdoor fresh air sequentially passes through the air inlet and outlet holes 172 of the protective cover plate 17, the outdoor air inlet and outlet 152 of the filter shell 15 and the fresh air fan (part of air flow enters the fresh air fan from the fresh air inlet 151) and is directly blown into a room; when the fresh air fan needs to discharge the indoor waste air, the indoor waste air is directly discharged to the outside through the outdoor air inlet and outlet 152.
When the filtering device for the fresh air ventilator needs to be cleaned or overhauled regularly, firstly, pressure is applied to the movable connecting piece 191 from the avoiding port 173 and the through port 157c from the groove 191c to pull down the movable connecting piece 191, so that the connecting part 191b is retracted into the assembly groove 157 to be separated from one end of the filtering shell 15 and the fresh air ventilator main body, and then the filtering shell 15 is lifted up to separate the fixed connecting piece 192 from the fresh air ventilator main body: after the filter housing is removed from the fresh air blower main body, the filter element 16 and the protective cover 17 can be detached from the filter housing 15, the front side and the rear side of the protective cover 17, the fresh air inlet 171 and the air inlet and outlet 172 are cleaned, the fresh air inlet 151 and the outdoor air inlet 152 of the filter housing 15, the first rain shielding sheet 151a and the second rain shielding sheet 153 are cleaned, and after the cleaning is completed, a new filter element 16 is installed in the accommodating groove, so that the filter housing 15 can be reassembled on the fresh air blower main body.
Claims (10)
1. The filtering device for the fresh air machine is characterized by comprising a filtering shell (15), wherein a connecting piece (19) which is convenient for installing the filtering shell (15) on the fresh air machine is convexly arranged on the outer periphery side of the filtering shell (15), and a fresh air inlet (151) for feeding fresh air into a room and an outdoor air inlet and outlet (152) for discharging waste air into the room or feeding fresh air into the room are formed on the filtering shell (15); the filtering shell (15) is also detachably provided with a filtering piece (16) which is positioned at the fresh air inlet (151) so as to filter the fresh air entering the room through the fresh air inlet (151).
2. The filtering device for a fresh air fan according to claim 1, wherein the outdoor air inlet and outlet (152) is positioned at the center of the filtering housing (15), and the fresh air inlets (151) are arranged in pairs on opposite sides of the outdoor air inlet and outlet (152).
3. The filtering device for the fresh air ventilator according to claim 1, wherein a sealing member (154) is arranged around the opening periphery of the outdoor air inlet and outlet (152) on the side, facing the indoor side, of the filtering shell (15), and the sealing member (154) is convenient for sealing the outdoor air inlet and outlet (152) so as to feed fresh air into the indoor side through the fresh air inlet (151).
4. The fresh air intake filter device according to claim 1, wherein the fresh air intake (151) has an area larger than an area of the outdoor air intake (152).
5. The filtering device for a fresh air fan according to claim 1, wherein the fresh air inlet (151) is rectangular, a row of first rain shields (151 a) are arranged at the inner edge of an opening of the fresh air inlet, each first rain shield (151 a) is obliquely arranged downwards from one end facing the indoor to one end facing the outdoor, and projections of two adjacent first rain shields (151 a) in the horizontal direction are provided with mutually overlapped parts.
6. The filtering device for a fresh air fan according to claim 1, wherein the outdoor air inlet and outlet (152) is strip-shaped, a row of second rain shields (153) are arranged at the inner edge of the opening, each second rain shield (153) is obliquely arranged downwards from one end facing the indoor to one end facing the outdoor, and projections of two adjacent second rain shields (153) in the horizontal direction are provided with mutually overlapped parts.
7. The filtering device for fresh air handling unit according to any one of claims 2 to 6, wherein a receiving groove (155) opposite to the fresh air inlet (151) is formed in a concave shape on a side of the filtering housing (15) facing the room, and the filtering member (16) is detachably installed in the receiving groove (155);
the outdoor side of the filter shell (15) is detachably connected with a protective cover plate (17), a plurality of rows of fresh air inlet holes (171) opposite to the fresh air inlet holes (151) are formed in the protective cover plate (17), and each row of fresh air inlet holes (171) comprises at least two adjacent rows of fresh air inlet holes (171) which are arranged in a staggered mode; the protection cover plate (17) is provided with an avoidance port (172) corresponding to the outdoor wind inlet and outlet (152).
8. The filtering device for fresh air machine according to claim 7, wherein the filtering housing (15) is hinged with a clamping member (18), and the clamping member (18) is connected with a first elastic structure which enables the clamping member (18) to have a swinging trend towards the filtering housing (15) so as to fix the filtering member (16) in the accommodating groove (155);
the clamping pieces (18) are arranged on two opposite sides of the same accommodating groove (155) in pairs; or, the clamping piece (18) is arranged on one side of the accommodating groove (155), and a limiting flange opposite to the clamping piece (18) is arranged on the other side of the accommodating groove (155).
9. The fresh air fan filter device according to any one of claims 1 to 6 or 8, wherein at least two connectors (19) are respectively arranged on two opposite sides of the filter housing (15), at least one connector (19) is a movable connector (191), and the movable connector (191) is movably connected with the filter housing (15) and has a connection position extending out of the filter housing (15) to be connected with the fresh air fan and a disassembly position retracting into the filter housing (15) to be separated from the fresh air fan.
10. The filtering device for a fresh air fan according to claim 9, wherein the movable connecting piece (191) comprises a connecting piece body (191 a), the filtering shell (15) is provided with an assembling groove (157), the connecting piece body (191 a) is slidingly connected in the assembling groove (157), and a sliding guide piece (158) is arranged between the connecting piece body and the assembling groove;
the connector body 191a has a connecting portion 191b, the fitting groove 157 has an opening 157a through which the connecting portion 191b protrudes, and the opening 157a is formed on the outer peripheral side of the filter housing 15; a second elastic structure which enables the connecting piece body (191 a) to have a sliding trend so that the connecting part (191 b) extends out of the opening (157 a) of the assembling groove (157) is connected between the connecting piece body (191 a) and the assembling groove (157);
a through hole (159) communicated with the assembly groove (157) is formed on one side of the filter shell (15) facing the outdoor, and a groove (191 c) which is convenient for applying a reaction force counteracting the sliding trend of the connector body (191 a) is formed on one side of the connector body (191 a) facing the through hole (159).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221086527.7U CN218993572U (en) | 2022-05-06 | 2022-05-06 | Filter device for fresh air machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221086527.7U CN218993572U (en) | 2022-05-06 | 2022-05-06 | Filter device for fresh air machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218993572U true CN218993572U (en) | 2023-05-09 |
Family
ID=86214367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221086527.7U Active CN218993572U (en) | 2022-05-06 | 2022-05-06 | Filter device for fresh air machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218993572U (en) |
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2022
- 2022-05-06 CN CN202221086527.7U patent/CN218993572U/en active Active
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