CN217988737U - Flexible purification assembly and filtering device with same - Google Patents

Abstract

The utility model discloses a flexible purification assembly and have its filter equipment, flexible purification assembly includes folding filtering surface, and flexible purification assembly has the first state, and under the first state, the inboard contained angle between two adjacent fillter sections in the folding filtering surface is a, and 9 degrees is more than or equal to a and is less than or equal to 25 degrees, and the outside contained angle between two adjacent fillter sections in the folding filtering surface is b, and 9 degrees is more than or equal to b and is less than or equal to 25 degrees; the folding filtering surface is a coherent filtering surface and comprises two arc sections and two oppositely arranged straight sections; compared with the prior art, the utility model discloses a flexibility purifies the subassembly and has the first state, and under the first state, flexibility purifies the subassembly and is the flat, including two segmental arcs and two straightways, the both ends of two straightways are located to two segmental arcs, and two straightways are parallel to each other, and the first state is the transportation and the storage state of flexible purification subassembly, convenient transportation and storage.

Description

Flexible purification assembly and filtering device with same

Technical Field

The utility model relates to an air treatment technical field specifically relates to a flexible purification assembly and have its filter equipment.

Background

Air pollution generally involves the introduction of substances, biomolecules and/or other harmful materials into the earth's atmospheric environment, and the globalization of air pollution is increasing, and the sensitivity of human beings to air pollution is also increasing. The working principle of the air filtering device is that when the fan is started, air in a use environment is extracted to enter the air duct of the air filtering device, the air is discharged from the air duct, the air passes through the filter element in the air duct in the process of entering the air duct, harmful substances are filtered by the filter element, when the air flows out from the air duct, the harmful substances in the air can be filtered by the filter element, the air in a use place repeatedly enters the air duct through the filter element and then is discharged from the air duct, the content of the harmful substances in the air in the use place can be reduced, and the air quality in the activity place can meet the health standard of users. However, the existing filter element is in a shape matched with the air duct when being produced, processed and formed, particularly when the air duct is in a cylindrical shape, the filter element is also processed into the cylindrical shape, when the filter element is stored, a gap exists between each filter element and the corresponding filter element, storage space can be wasted, the filter element is of a hollow structure, space in the filter element is also wasted, storage cost can be increased, when the filter element is extruded, the filter element cannot be matched with the air duct after being deformed, and loss can be caused during storage and transportation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible subassembly and have its filter equipment that purifies, it is used for solving above-mentioned technical problem.

A flexible purification assembly comprises a folding filter surface, the flexible purification assembly has a first state, in the first state, the included angle of the inner side between two adjacent filter sections in the folding filter surface is a, a is more than or equal to 9 degrees and less than or equal to 25 degrees, the included angle of the outer side between two adjacent filter sections in the folding filter surface is b, b is more than or equal to 9 degrees and less than or equal to 25 degrees; the folding filtering surface is a coherent filtering surface and comprises two arc sections and two oppositely-arranged straight sections.

According to the utility model discloses an embodiment, flexible purification subassembly still includes flexible support, and at least one flexible support is linear to be adhered to the internal face of fillter section, the internal face of adjacent fillter section, outside contained angle summit and/or inboard contained angle summit, and under the first state, flexible support corresponds with folding filtering surface, include the support segmental arc that corresponds with the segmental arc to reach two support straightways that correspond with two straightways.

According to an embodiment of the present invention, the folding filtering surface comprises a plurality of position points F, which can be points on the arc-shaped section for maintaining the first state of the flexible purification assembly; in another form of the first state, the location point F may be a point on a straight line segment.

According to an embodiment of the present invention, the flexible stent comprises a plurality of position points G, which can be points on the arc-shaped section of the stent for maintaining the first state of the flexible purification assembly; in another form of the first state, position point G may be a point on a straight section of the stent.

According to an embodiment of the present invention, the folded filter surface has a functional layer bonded to the apexes of the plurality of outer included angles facing the inner side, and the functional layer is one or a combination of a filter layer containing graphite particles, a sponge filter layer, an activated carbon filter layer, a glass fiber filter layer, a nonwoven fabric filter layer, a thermoplastic filter layer, and a thermosetting material filter layer.

According to the utility model discloses an embodiment, the functional layer is flexible functional layer, and under the first state, flexible functional layer corresponds with folding filter surface, include the functional layer segmental arc that corresponds with the segmental arc to and two functional layer straightways that correspond with two straightways.

According to an embodiment of the present invention, the functional layer comprises a plurality of position points E, which can be points on the arc-shaped section of the functional layer for maintaining the first state of the flexible purification assembly; in another form of the first state, location point E may be taken as a point on a straight line segment of the functional layer.

According to the utility model discloses an embodiment, flexible purification subassembly still includes the second state, and under the second state, folding filtering surface forms three-dimensional tube-shape, and folding filtering surface is set up in the wind channel.

According to an embodiment of the present invention, in the second state, an inner side included angle between two adjacent filtering sections in the folded filtering surface is a1, and a1 is not less than a; the outer included angle between two adjacent filtering sections in the folded filtering surface is b1, b1 is more than b, and the average value of a1 is less than the average value of b 1; the flexible purification assembly further comprises a flexible support and a functional layer, wherein the flexible support is linearly adhered to the inner wall surface of the filtering section, the inner wall surface of the adjacent filtering section, the outer side included angle vertex and/or the inner side included angle vertex, the functional layer is adhered to the plurality of included angle vertexes facing inwards of the folded filtering surface, the flexible support forms a circular connecting line in the second state, and the functional layer forms a cylinder shape coaxial with the folded filtering surface in the second state.

A filter device comprises a fan and an air duct, wherein the flexible purification assembly is arranged in the air duct.

Compared with the prior art, the utility model discloses a flexible purification subassembly has following advantage:

the utility model discloses a flexible purification assembly has the first state, and under the first state, flexible purification assembly is flat, including two segmental arcs and two straightways, the both ends of two straightways are located to two segmental arcs, and two straightways are parallel to each other, and the first state is the transportation and the storage state of flexible purification assembly, convenient transportation and storage.

Drawings

FIG. 1 is a schematic view of a flexible purge assembly in a first state;

FIG. 2 is a schematic structural view of another form of the flexible purging assembly in a first state;

FIG. 3 is a cross-sectional view of a straight section of a flexible purge assembly;

FIG. 4 is an enlarged partial view of a segment portion of the flexible purge assembly;

FIG. 5 is a top view of the flexible purge assembly in a second state;

FIG. 6 is an enlarged view of a portion of the flexible purge assembly in a second state;

FIG. 7 is a cross-sectional view of a filtration device employing the flexible purification assembly of the present invention;

in the figure: 1. the filter comprises a folding filter surface, 11 filter sections, 111 first filter sections, 112 second filter sections, 2 flexible supports, 3 functional layers, 4 fans, 5 air ducts

The utility model discloses realization and the advantage of function will combine the embodiment, will make further explanation with the attached drawing.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as, for example, upper, lower, left and right, front and rear \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For a further understanding of the contents, features and effects of the present invention, the following embodiments will be illustrated in detail in conjunction with the accompanying drawings:

the purification component is a core part in the filter device, and when the filter device works, the purification component completes the filtration and purification of air, so that the content of harmful substances in the air is reduced, and the air quality meets the standard of human health requirements. However, the purification assembly is usually configured to be adapted to the air duct of the filtering device, for example, the cylindrical air duct needs to be configured with the cylindrical purification assembly, and the purification assembly is detachably connected to the air duct of the filtering device, so that the purification device can be ensured to be detached from the air duct for cleaning or replacement after being used for a period of time, and therefore, when the purification assembly is always required to be stored or transported separately, if the purification assembly is directly processed into a cylindrical shape adapted to the shape of the air duct, when the purification assembly is stored, because a gap exists between adjacent purification assemblies, the interior of the purification assembly is also of a hollow structure, the utilization rate of the purification assembly to the storage space is relatively high, and a large amount of space is occupied by the gap between the adjacent purification assemblies and the hollow part of the purification assembly, so that the storage cost is increased; and because the purification component is processed into a cylinder shape matched with the shape of the air channel, the purification component can deform or be damaged if being extruded when being transported; therefore, the purification component of the utility model is a flexible purification component, the flexible purification component has a first state when not being installed on the purification device, under the first state, the flexible purification component is flat and comprises two arc sections and two straight line sections, the two arc sections are arranged at two ends of the two straight line sections, the two straight line sections are parallel to each other, the first state is the transportation and storage state of the flexible purification component, and the transportation and storage space of the flexible purification component can be saved; when the air duct of the filtering device is matched, the flexible purifying assembly is adjusted to be in a shape matched with the air duct of the filtering device, so that the flexible purifying assembly is convenient to store and transport.

Referring to fig. 1 to 4, the flexible purifying assembly of the present invention includes a folding filtering surface 1, the flexible purifying assembly has a first state, in the first state, an inner side included angle between two adjacent filtering sections 11 in the folding filtering surface 1 is a, a is greater than or equal to 9 degrees and less than or equal to 25 degrees, an outer side included angle between two adjacent filtering sections 11 in the folding filtering surface 1 is b, b is greater than or equal to 9 degrees and less than or equal to 25 degrees; the folding filtering surface is a coherent filtering surface and comprises two arc sections and two oppositely-arranged straight sections. The folded filter surface 1 is pleated and comprises a plurality of filter segments 11, the plurality of filter segments 11 comprise a plurality of first filter segments 111 and a plurality of second filter segments 112, two sides of each first filter segment 111 are connected with one second filter segment 112, in a first state, one ends of the first filter segments 111 and the second filter segments 112, which are positioned at the outer sides of the folded filter surface 1, are called upper ends of the first filter segments 111 and the second filter segments 112, one ends of the first filter segments 111 and the second filter segments 112, which are positioned at the inner sides of the folded filter surface 1, are called lower ends of the first filter segments 111 and the second filter segments 112, the upper end of the first filter segment 111 is connected with the upper end of the second filter segment 112 at one side thereof, and an included angle between the two is an inner side included angle a between two adjacent filter segments 11 in the folded filter surface 1; the lower end of the first filtering section 111 is connected with the lower end of the second filtering section 112 at the other side of the first filtering section 111, the included angle between the first filtering section 111 and the second filtering section is the outer included angle b between two adjacent filtering sections 11 in the folding filtering surface 1, if one side of the folding filtering surface 1 is the first filtering section 111, the other second filtering section 112 of the folding filtering surface 1 is provided, two sides of each first filtering section 111 are connected with one second filtering section 112, and two sides of each second filtering section 112 are also connected with one first filtering section 111; the folding filter surface 1 is pleated and comprises a plurality of filter sections 11, the inner side included angle a between two adjacent filter sections 11 in the folding filter surface 1 and the outer side included angle b between two adjacent filter sections 11 in the folding filter surface 1, the sizes of a and b influence the density of folds of the folding filter surface 1, if a is less than 9 degrees and b is less than 9 degrees, the number of folds on the folding filter surface 1 per unit length is large, namely, the gap between the first filter section 111 and the second filter section 112 is very small, so that the cost and the weight of the flexible purification assembly are increased, and the speed of air entering an air duct of the filter device is also influenced; if a is more than 25 degrees and b is more than 25 degrees, the number of folds on the folded filter surface 1 in unit length is less, that is, the gap between the first filter section 111 and the second filter section 112 is very large, so that the air purification effect of the flexible purification assembly on the air is not completely influenced by the flexible purification assembly, the range of the inner side included angle a between two adjacent filter sections 11 in the folded filter surface 1 is controlled to be more than or equal to 9 degrees and less than or equal to 25 degrees, and meanwhile, the range of the outer side included angle b between two adjacent filter sections 11 in the folded filter surface 1 is controlled to be more than or equal to 9 degrees and less than or equal to 25 degrees, so that the flexible purification assembly can have better purification effect, and the cost is not increased when the number of folds on the folded filter surface 1 in unit length is too much, the air passing is influenced, and the purification effect is influenced when the number of folds is too little; the folding filtering surface is a coherent filtering surface, the folding filtering surface 1 is bent and placed in a flat shape under a first state and comprises two arc sections and two oppositely-arranged straight sections, wherein two ends of one arc section are respectively connected with first ends of the two straight sections, two ends of the other arc section are respectively connected with second ends of the two straight sections, and the two straight sections are parallel to each other; the flexible purification assembly is flat, a plurality of flexible purification assemblies can be stacked during storage, storage space can be saved, and transportation is facilitated.

Referring to fig. 3 and 4, an inner angle a between two adjacent filter segments 11 in the arc-shaped segment of the folded filter surface 1 and an outer angle b between two adjacent filter segments 11 in the arc-shaped segment of the folded filter surface 1 satisfy a < b, and an inner angle a between two adjacent filter segments 11 in the straight-line segment of the folded filter surface 1 and an outer angle b between two adjacent filter segments 11 in the straight-line segment of the folded filter surface 1 satisfy a = b. The folded filter surface 1 after being bent is provided with an arc section at the bent part and a straight line section horizontally placed, and at the arc section, because the stretched length of the outer side (namely the windward side when being used on a filter device) of the folded filter surface 1 is greater than the stretched length of the inner side of the folded filter surface 1, the included angle a between the inner sides of two adjacent filter sections 11 in the part of the folded filter surface 1 and the included angle b between the outer sides of two adjacent filter sections 11 in the folded filter surface 1 meet the condition that a is less than b; at the straight section, since the first filter segment 111 and the second filter segment 112 of the folded filter surface 1 are not stretched or pressed, the inside included angle a between two adjacent filter segments 11 in the partially folded filter surface 1 and the outside included angle b between two adjacent filter segments 11 in the folded filter surface 1 satisfy a = b.

Referring to fig. 3 and 4, the flexible purifying assembly of the present invention further includes a flexible support 2, and at least one flexible support 2 is linearly adhered to the inner wall surface of the filtering section 11, the inner wall surface of the adjacent filtering section 11, the outer side included angle vertex and the inner side included angle vertex. The height of the flexible purification component in the air channel when the flexible purification component is installed in the air channel of the filtering device is called as the height of the flexible purification component, the inner wall surface of the folding filtering surface 1 folded by the flexible purification component is provided with the flexible support 2, the shape can be kept more easily when the folding filtering surface 1 is installed in the air channel of the filtering device, and the phenomenon that the folding filtering surface 1 deforms when being applied to the filtering device to influence the air purification effect of the filtering device is avoided. When the folded filter surface 1 is applied to a filter device, the lower ends of the first filter section 111 and the second filter section 112 face an air duct and are connected with each other, the upper ends of the first filter section 111 and the second filter section 112 are far away from the air duct of the filter device, the flexible support 2 is arranged between the inner wall surfaces of the first filter section 111 and the second filter section 112, and when the flexible support 2 extends along the width direction of the first filter section 111 and the second filter section 112, one end of the flexible support 2 far away from the air duct of the filter device extends to the upper end parts of the first filter section 111 and the second filter section 112, one end of the flexible support 2 facing the air duct of the filter device extends to the lower end parts of the first filter section 111 and the second filter section 112, and two folds of the two folded filter surfaces 1 on one side of the filter device, namely the flexible support 2 is connected at the connection part of the lower ends of the first filter section 111 and the second filter section 112, the flexible support 2 can not affect the air purification assembly when the folded filter surface 1 is folded, and the flexible support 2 can not affect the air purification assembly when the folded support 1 is folded, and the air purification assembly can not affect the air purification assembly 1, and the air purification assembly can not affect the air purification assembly when the folded support 2 is folded by the folded support 1. In this embodiment, 3 flexible supports are provided, so that the support can stably support the whole purification assembly, and the air circulation can be blocked by too many flexible supports. The number of flexible supports commonly used is 2-6, with a greater number being used in larger purification modules.

In experiments, it is found that in the case of arranging a hot melt adhesive on the outer side of a filter device for supporting, bending of the hot melt adhesive cannot be realized after the hot melt adhesive is cured and stabilized, but in the embodiment of the invention in this year, by arranging a flexible support on the inner side, although the wind resistance of the flexible support arranged on the inner side is significantly greater than that of the hot melt adhesive arranged on the outer side, in order to avoid complex process, a person skilled in the art prefers to adopt the external arrangement of the hot melt adhesive as a conventional fixing means to reduce the wind resistance, but the built-in flexible support of the invention has better economical efficiency for long transportation and storage time, especially for overseas markets.

In other embodiments, the flexible purification assembly further comprises flexible supports 2, at least one flexible support 2 is linearly adhered to the inner wall surface of a filter segment 11, the inner wall surface of an adjacent filter segment 11 and the outer corner apex. When the folding filter surface 1 is applied to a filter device, the lower ends of the first filter section 111 and the second filter section 112 face an air duct and are connected with each other, the upper ends of the first filter section 111 and the second filter section 112 are far away from the air duct of the filter device, the flexible support 2 is arranged between the inner wall surfaces of the first filter section 111 and the second filter section 112, and when the flexible support 2 extends along the width direction of the first filter section 111 and the second filter section 112, one end of the flexible support 2 far away from the air duct of the filter device does not extend to the upper end parts of the first filter section 111 and the second filter section 112, one end of the flexible support 2 facing the air duct of the filter device extends to the lower end parts of the first filter section 111 and the second filter section 112, and the flexible support 2 in two folds on one side of the two folding filter surfaces 1 facing the air duct of the filter device is connected at the connection part of the lower ends of the first filter section 111 and the second filter section 112, the flexible support 2 can be connected at the top of the outer side of the two folds of the filter surfaces 1 facing the filter device, the folding filter surfaces 1 can be folded support 1 and the flexible support 2 can not affect the folding filter surface 1, and the air purification assembly, and the folding support assembly can not be folded support 2, and the folding filter surface can not affect the air purification assembly when the folding filter surface 1, and the air purification assembly, and the air purification assembly can not be folded support assembly, and the air purification assembly can not be affected by the folding filter surface 1.

In other embodiments, the flexible purification assembly further comprises flexible supports 2, at least one flexible support 2 is linearly adhered to the inner wall surface of a filter segment 11, the inner wall surface of an adjacent filter segment 11, and the inside included angle vertex. When the folded filter surface 1 is applied to a filter device, the lower ends of the first filter segment 111 and the second filter segment 112 face the air duct and are connected with each other, the upper ends of the first filter segment 111 and the second filter segment 112 are far away from the air duct of the filter device, the flexible support 2 is arranged between the inner wall surfaces of the first filter segment 111 and the second filter segment 112, and when the flexible support 2 extends along the width direction of the first filter segment 111 and the second filter segment 112, one end of the flexible support 2 far away from the air duct of the filter device extends to the upper end parts of the first filter segment 111 and the second filter segment 112, one end of the flexible support 2 facing the air duct of the filter device extends to the lower end parts 112 of the first filter segment 111 and the second filter segment 112, and the flexible supports 2 in two folds of the two folded filter surfaces 1 facing one side of the air duct of the filter device are not connected at the joint of the lower ends of the first filter section 111 and the second filter section 112, that is, the outer corner vertex formed by connecting the lower end of the first filter section 111 and the lower end of the second filter section 112 is not covered by the flexible supports 2, the flexible supports 2 can support and qualify the folded filter surfaces 1, and meanwhile, the passing of air from the folded filter surfaces 1 of the flexible purification assembly cannot be influenced, in addition, because the flexible supports 2 have flexibility, when the folded filter surfaces 1 are in the first state, the folded filter surfaces 1 are placed in a bending mode, the flexible supports 2 cannot be influenced, and the flexible supports 2 cannot influence the shape of the folded filter surfaces 1.

Referring to fig. 1 and 2, in the flexible purifying assembly of the present invention, the folding filtering surface 1 includes a plurality of position points F, and the position points F can be used as points on the arc section for maintaining a first state of the flexible purifying assembly; in another form of the first state, the position point F may be a point on the straight line segment. That is to say, the shape of the flexible purification assembly in the first state is arbitrary, because the folding filter surface 1 is a coherent filter surface, in the first state, any point on the folding filter surface 1 of the flexible purification assembly may be located on the arc section, when the flexible purification assembly is moved or the flexible purification assembly is repositioned, the portion originally located on the arc section may become the portion of the straight section after the flexible purification assembly is repositioned, the point originally located on the arc section becomes located on the straight section after the corresponding arc section becomes the portion of the straight section. As shown in fig. 1, when the flexible filtering component is in the first state, the plurality of F points are located on the arc-shaped section of the folding filtering surface 1, as shown in fig. 2, after the user moves the flexible purifying component or changes the bending position of the flexible purifying component, the original arc-shaped section part on the folding filtering surface 1 is changed into the straight-line section part, and the plurality of F points on the original arc-shaped section are correspondingly changed into the straight-line section; that is, in the first state, the position point F is on the arc section of the folded filter surface 1 or on the straight line section of the folded filter surface 1, depending on the bending position of the flexible filter assembly by the user, the bending position is different, the section as the arc section of the folded filter surface 1 is changed, and the position of the position point F is also changed correspondingly. The flexible filtering component can be bent and the bending position is not the first, so that a user does not need to position or take care of the specific bending position when placing the flexible purifying component, and the flexible purifying component is more convenient and time-saving when being stored.

The flexible purification component of the utility model, the flexible support 2 comprises a plurality of position points G (marked in the figure), and the position points G can be used as points on the arc section of the support and are used for keeping the first state of the flexible purification component; in another form of the first state, the location point G may be a point on a straight line segment of the stent. Because the flexible support 2 is arranged on the inner side of the folding filtering surface 1 and is linearly bonded with the inner side of the folding filtering surface 1, when the flexible purification assembly is in a first state, the part of the flexible support 2 corresponding to the arc-shaped section of the folding filtering surface 1 is a support arc-shaped section of the flexible support 2, and the part of the flexible support 2 corresponding to the straight-line section of the folding filtering surface 1 is a support straight-line section of the flexible support 2; when the flexible purification assembly is moved by a user and placed into the first state again, if the arc section part of the folding filter surface 1 is changed into the straight section part of the folding filter surface 1, the bracket arc section of the flexible bracket 2 corresponding to the arc section part of the folding filter surface 1 is also changed into the straight section part of the bracket, and the part of the flexible bracket 2 corresponding to the straight section part of the folding filter surface 1 is also changed into the bracket arc section of the flexible bracket 2; as shown in the figure, in the first state, there are a plurality of position points G on the bracket arc segment of the flexible bracket 2 corresponding to the arc segment of the folded filtering surface 1, when the flexible purifying assembly changes to another form of the first state, that is, the flexible purifying assembly is moved and replaced to the first state, and the part of the arc segment originally serving as the folded filtering surface 1 becomes the straight segment part of the folded filtering surface 1, and meanwhile, the part of the arc segment originally serving as the folded filtering surface 1 becomes the arc segment of the folded filtering surface 1, then the bracket arc segment of the flexible bracket 2 corresponding to the arc segment part of the original folded filtering surface 1 becomes a part of the bracket straight segment, and a plurality of position points G on the original bracket arc segment also become position points G on the bracket straight segment.

Referring to fig. 1 to 4, in the flexible purifying assembly of the present invention, the folding filtering surface 1 is bonded with a functional layer 3 toward the top of the plurality of inside outside included angles, and the functional layer 3 is one or a combination of a filtering layer containing graphite particles, a sponge filtering layer, an activated carbon filtering layer, a glass fiber filtering layer, a non-woven fabric filtering layer, a thermoplastic filtering layer, and a thermosetting material filtering layer. When the folding filtering surface 1 is used on an air duct of the filtering device, the outer surface of the folding filtering surface 1 is a windward surface, one side of the folding filtering surface 1 facing the air duct of the filtering device is a leeward surface, the functional layer 3 is arranged on the leeward surface of the folding filtering surface 1, and the lower ends of the first filtering section 111 and the second filtering section 112 of the folding filtering surface 1 are connected to form a vertex of an included angle at the outer side to be bonded with the functional layer 3. When the flexible subassembly that purifies was used to filter equipment's wind channel on, the air is after folding filtering surface 1 filters, is passing functional layer 3 and is further purified the back, gets into the wind channel, and functional layer 3 can further filter the harmful substance in the air, makes filter equipment better to the purifying effect of air. In addition, the material of the functional layer 3 is one or a combination of more than one of a filter layer containing graphite particles, a sponge filter layer, an activated carbon filter layer, a glass fiber filter layer, a non-woven fabric filter layer, a thermoplastic filter layer and a thermosetting material filter layer, any one or a combination of more than one of the filter layers has a filtering effect on harmful substances in air, the material of the functional layer 3 can be set according to different use environments, when the air quality of the use environment is poor, the material of the functional layer 3, such as the glass fiber filter layer with a better filtering effect, the non-woven fabric filter layer and thermoplastic, when the harmful substances in the air of the use environment are not too much, the material of the sponge filter layer and the activated carbon filter layer can be adopted for preliminary filtering, the material of the functional layer 3 is flexibly set, and the aim is to enable the filter device to adopt a flexible purification assembly with the functional layer 3 according to the air quality condition of the use environment, and the air of the use environment can be effectively purified.

Referring to fig. 1 and 2, the functional layer 3 of the flexible purification assembly of the present invention is a flexible functional layer, and in the first state, the flexible functional layer corresponds to the folded filtering surface 1, including a functional layer arc segment corresponding to the arc segment and two functional layer straight segments corresponding to the straight segments. That is, in the first state, the portion of the functional layer 3 corresponding to the arc-shaped segment portion of the folded filter surface 1 is the functional layer arc-shaped segment of the functional layer 3, and the portion of the functional layer 3 corresponding to the straight-line segment portion of the folded filter surface 1 is the functional layer straight-line segment of the functional layer 3. Folding the position of buckling of filtering face 1 different, the arc section of folding filtering face 1 and the state of straightway can change, that is to say when folding the position of buckling of filtering face 1 changes, folding the part that originally is the arc section on the filtering face 1 and can become the partly of straightway, and the partly of original straightway also can become the arc section, when folding the arc section of filtering face 1 and the state of straightway and change, functional layer arc section and the position of functional layer straightway of functional layer 3 also change and all the time with folding arc section and the straightway synchro-variation of filtering face 1 and correspond.

Referring to fig. 1 and 2, in the flexible purifying assembly of the present invention, the functional layer 3 includes a plurality of position points E, and the position points E can be used as points on the arc section of the functional layer for maintaining the first state of the flexible purifying assembly; in another form of the first state, the location point E may be a point on a straight line segment of the functional layer. In the first state, the part of the functional layer 3 corresponding to the arc section part of the folding filter surface 1 is the functional layer arc section of the functional layer 3, the functional layer arc section comprises a plurality of position points E, the part of the functional layer 3 corresponding to the straight section part of the folding filter surface 1 is the functional layer straight line section of the functional layer 3, when a user moves the flexible purification assembly and places the flexible purification assembly into the first state again, if the states of the arc section and the straight line section of the folding filter surface 1 are changed, the part, originally serving as the arc section, of the folding filter surface 1 can become a part of the straight line section, the part, originally serving as the arc section, of the straight line section can also become the arc section, the original functional layer arc section of the functional layer 3 also becomes a part of the straight line section, and the plurality of position points E on the functional layer arc section can become the position points E on the straight line section.

Referring to fig. 5 and 6, the flexible purifying assembly of the present invention further includes a second state, wherein the folding filtering surface 1 forms a three-dimensional cylindrical shape, and the folding filtering surface 1 is disposed in the air duct. The second state is the use state of folding filtering surface 1, that is the state when the flexible purification subassembly is applied to filter equipment, pack into filter equipment's wind channel, the shape of flexible purification subassembly will with the shape adaptation in wind channel, when using, install the flexible purification subassembly into filter equipment's wind channel to make the shape of flexible purification subassembly and the shape adaptation in wind channel, when filter equipment starts, the air enters the wind channel after the flexible purification subassembly filters and purifies, then is discharged the wind channel by filter equipment.

Referring to fig. 6, in the flexible purifying assembly of the present invention, in the second state, an included angle between two adjacent filtering sections 11 in the folded filtering surface 1 is a1, and a1 is not greater than a; the included angle between the two adjacent filter segments 11 in the folded filter surface 1 is b1, b1 is more than b, and the average value of a1 is less than that of b 1. When the folded filtering surface 1 is put into use and is installed in an air duct of a filtering device, the folded filtering surface 1 forms a cylinder, the vertex of an inner side included angle a1 between two adjacent filtering sections 11 in the folded filtering surface 1 is positioned on the outer wall surface of the cylinder, and the vertex of an outer side included angle b1 between two adjacent filtering sections 11 in the folded filtering surface 1 is positioned on the inner wall surface of the cylinder, it is easy to know that the diameter of a circle on which the inner wall surface of the cylinder is positioned is smaller than that of a circle on which the outer wall surface of the cylinder is positioned, so that the circumference length of the circle on which the inner wall surface of the cylinder is positioned is smaller than that of the circle on which the outer wall surface of the cylinder is positioned, that is, the distance between the vertexes of the adjacent inner side included angles a1 is larger than that between the tops of the adjacent outer side included angles b1, under the condition that the distances between the outer ends and the inner ends of the first filtering section 111 and the second filtering section 112 are the same, the side corresponding to the side included angle b1 is a line segment between the vertexes of the adjacent inner side included angle a1, and the folded filtering surface is changed from a first filtering surface 1 to a stretched state, and the folded filtering surface is more than a filtering surface 1; because the inner included angle a1 and the outer included angle b1 are opposite angles to each other, and the outer included angle becomes larger in the process of changing the outer included angle from b to b1, the inner included angle response becomes smaller, that is, a1 < a, but because of the existence of the flexible support 2, the circumference of the circle where the inner wall surface of the cylinder formed by folding the filtering surface 1 is located, that is, the circumference of the flexible support 2 when the circumference is formed into a ring, and if the flexible support 2 is not stretched in the process of forming the cylinder, at this time, a1= a, so in the second state, the inner included angle between two adjacent filtering sections 11 in the folding filtering surface 1 is a1, and a1 is not more than a. However, if the outer side of the folded filter surface 1 is not uniformly unfolded when the flexible purification component is formed into a cylindrical shape corresponding to the air duct, the outer side included angle is smaller than the inner side included angle, but the outer side included angle is larger than the inner side included angle as a whole, so that the average value of a1 is smaller than the average value of b 1.

Referring to fig. 5 and 6, in the flexible purifying module of the present invention, the flexible support 2 forms a circular connecting line in the second state, the functional layer 3 forms a cylindrical shape coaxial with the folding filtering surface 1 in the second state, and the circumference length of the circle where the midpoint of the filtering section 11 of the folding filtering surface 1 is in the second state is 1.0-1.2 times the circumference length of the circle where the included angle is in the outer side of the folding filtering surface 1. When the flexible purification component is applied to the filtering device, the flexible purification component forms a cylinder shape, the flexible support 2 is shaped into the cylinder shape along with the folded filtering surface 1 and is positioned on the inner wall surface of the cylinder formed by the folded filtering surface 1, so that in the second state, the flexible support 2 forms a connecting line of the circle center and is coaxially arranged with the cylinder formed by the folded filtering surface 1; when the folded filtering surface 1 is formed into a cylinder shape, the windward surface of the folded filtering surface 1 forms the outer wall surface of the cylinder, the side of the folded filtering surface 1 facing the air channel of the filtering device forms the inner wall surface of the cylinder, the circumference of the circle formed by the section of the outer wall surface is larger than the circumference of the circle formed by the section of the inner wall surface, therefore, when the folded filtering surface 1 is formed into the cylinder, the folds of the windward surface of the folded filtering surface 1 are stretched, in order to avoid that the windward surface of the folded filtering surface 1 is stretched too long and the air filtering effect of the folded filtering surface 1 is influenced, when the folded filtering surface 1 is formed into the cylinder, the stretching degree of the windward surface is controlled within 1.2 times of the length when the folded filtering surface 1 is in the first state, and the windward surface of the folded filtering surface 1 can effectively filter harmful substances in the air.

Referring to fig. 7, the present invention further relates to a filtering apparatus, which includes a fan 4 and a wind channel 5, wherein the wind channel 5 is provided with the above-mentioned flexible purifying assembly. When the filter device works, the fan 4 is started, under the action of the fan 4, the air of the service environment enters the air channel 5 through the flexible purification assembly, when the air of the service environment passes through the flexible purification assembly, harmful substances in the air are firstly filtered by the folding filter surface 1 of the flexible purification assembly, when the air passes through the functional layer 3, the harmful substances are filtered again by the functional layer 3, finally the air channel 5 enters the air channel 5, then the air channel 5 is discharged by the fan 4, and in the process that the air of the service environment circulates in the air channel through the filter device, the harmful substances in the air are continuously filtered by the flexible purification assembly, and finally the air quality of the service environment reaches the human health standard. The utility model discloses a filter equipment owing to adopted foretell flexible purification subassembly, adds man-hour in filter equipment production, and the flexibility purifies the subassembly and can not use too many places of reuse on the production line, conveniently deposits to because the flexibility purifies the subassembly and has the flexibility, can not be because of extrusion deformation and filter equipment's not adaptation in wind channel when depositing.

The utility model discloses a filter equipment, flexible purification subassembly detachably locates in wind channel 5. After the filtering device is used for a period of time, if the folding filtering surface 1 of the flexible purifying assembly collects too much dust, the flexible purifying assembly can be detached from the air duct 5, the flexible purifying assembly is cleaned and then is installed in the air duct 5, or the flexible purifying assembly in the air duct 5 of the filtering device collects too much dust, which affects the good purifying effect of the filtering device, the old flexible purifying assembly can be detached from the air duct 5, and then the old flexible purifying assembly is replaced by a new flexible purifying assembly. The filtering device of the utility model has the advantages that the flexible purifying component has replaceability, so that users who buy the filtering device can repeatedly buy the flexible purifying component; because the above-mentioned structural feature of flexible purification subassembly, the place of the flexible purification subassembly of producer's storage of flexible purification subassembly has obtained effectual utilization to when the flexible purification subassembly of transportation, also can not increase the cost of transportation.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A flexible purification assembly comprising a folded filtering surface (1), characterized in that: the flexible purification assembly has a first state, in the first state, the included angle between the inner sides of two adjacent filtering sections (11) in the folded filtering surface (1) is a, a is more than or equal to 9 degrees and less than or equal to 25 degrees, the included angle between the outer sides of two adjacent filtering sections (11) in the folded filtering surface (1) is b, b is more than or equal to 9 degrees and less than or equal to 25 degrees; the folding filtering surface (1) is a coherent filtering surface and comprises two arc sections and two oppositely-arranged straight sections.

2. The flexible purification assembly according to claim 1, further comprising flexible supports (2), wherein at least one flexible support (2) is linearly adhered to an inner wall surface of the filter segment (11), an inner wall surface of an adjacent filter segment (11), an outer included angle vertex and/or the inner included angle vertex, and in the first state, the flexible support (2) corresponds to the folded filter surface (1) and comprises a support arc section corresponding to the arc section and two support straight sections corresponding to the two straight sections.

3. The flexible purification assembly according to claim 2, wherein the pleated filter surface (1) comprises a plurality of location points F, which may be points on the arc segment, for maintaining a first state of the flexible purification assembly; in another form of the first state, the position point F may be a point on the straight line segment.

4. The flexible purification assembly of claim 2, wherein the flexible stent (2) comprises a plurality of location points G, which may be points on the stent arc segment, for maintaining a first state of the flexible purification assembly; in another form of the first state, the location point G may be a point on a straight section of the stent.

5. The flexible purification assembly according to claim 1, wherein the folded filter surface (1) has a functional layer (3) bonded to the apexes of the plurality of included outer angles towards the inside, and the functional layer (3) is one or more of a graphite particle-containing filter layer, a sponge filter layer, an activated carbon filter layer, a glass fiber filter layer, a nonwoven fabric filter layer, a thermoplastic filter layer, and a thermosetting material filter layer.

6. Flexible purification assembly according to claim 5, wherein the functional layer (3) is a flexible functional layer corresponding to the pleated filter surface (1) in the first state, comprising a functional layer arc corresponding to the arc and two functional layer straight segments corresponding to the two straight segments.

7. The flexible purge assembly of claim 6, wherein the functional layer (3) comprises a plurality of location points E, which may be points on an arc segment of the functional layer, for maintaining the first state of the flexible purge assembly; in another form of the first state, the location point E may be a point on a straight line segment of the functional layer.

8. The flexible purification assembly according to any one of claims 1 to 7, further comprising a second state in which the folded filter surface (1) forms a three-dimensional cylinder, the folded filter surface (1) being arranged in an air duct.

9. The flexible purification assembly according to claim 8, wherein in the second state, the inner side included angle between two adjacent filter segments (11) in the folded filter surface (1) is a1, and a1 is less than or equal to a; the included angle between the outer sides of two adjacent filtering sections (11) in the folded filtering surface (1) is b1, b1 is more than b, and the average value of a1 is less than the average value of b 1; the flexible purification assembly further comprises a flexible support (2) and a functional layer (3), wherein the flexible support is linearly adhered to the inner wall surface of the filtering section (11), the inner wall surface of the adjacent filtering section (11), the outer side included angle vertex and/or the inner side included angle vertex, the flexible support is adhered to the folding filtering surface (1) towards the inner side of the included angle vertex, the flexible support (2) forms a round connecting line in a second state, and the functional layer (3) forms a cylindrical shape coaxial with the folding filtering surface (1) in the second state.

10. The utility model provides a filter equipment, includes fan (4) and wind channel (5), its characterized in that: the air duct (5) is provided with a flexible purification assembly as claimed in any one of claims 1-9.

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