CN220939636U

CN220939636U - Folding air filter

Info

Publication number: CN220939636U
Application number: CN202322545522.7U
Authority: CN
Inventors: 娄君; 吴萍; 张远平; 李宏洋; 革非; 邵涛涛; 张宁
Original assignee: China Southwest Architectural Design and Research Institute Co Ltd
Current assignee: China Southwest Architectural Design and Research Institute Co Ltd
Priority date: 2023-09-19
Filing date: 2023-09-19
Publication date: 2024-05-14
Anticipated expiration: 2033-09-19

Abstract

The utility model discloses a folding air filter, which relates to the technical field of structural design of filtering devices, and comprises an outer frame body and a filtering bag, wherein the outer frame body comprises a plurality of clamping strips which are sequentially arranged at intervals in parallel, two adjusting devices are arranged between two adjacent clamping strips along the length direction of the outer frame body, and the adjusting devices can change the interval between the two adjacent clamping strips; every two adjacent clamping strips are provided with filter bags, and two adjacent clamping strips, two adjusting devices and the filter bags are encircled to form a filter space. By adopting the scheme, the frame of the bag filter is made into a foldable frame, so that the air filter can be integrally folded, and can be unfolded or folded according to outdoor air conditions, thereby achieving the purpose of reducing energy consumption.

Description

Folding air filter

Technical Field

The utility model relates to the technical field of structural design of filtering devices, in particular to a folding air filter.

Background

The bag filter is widely applied to the industrial purification of central air conditioning ventilation systems, pharmacy, hospitals, electronics, food and the like, the filtering efficiency range is generally between Z1 and YG, the bag filter is widely used for medium-efficiency and sub-efficient filtration, can be used as the prefilter of a high-efficiency filter, has the advantages of low cost, long service life and the like, and the characteristics of repeated use after cleaning also meet the requirements of low carbon and environmental protection.

In recent years, various industries strive towards low carbon and energy conservation, and a filter is used as a large energy consumption user in an air conditioner and a ventilation system, and innovations are required to be made on product characteristics, filter material selection and product structure so as to be more flexible in the use process, expand the use scene and facilitate energy conservation.

Through literature research, some patents have optimized bag filters for air conditioning systems. The utility model discloses a bag filter of convenient dismantlement filter bag of a bag filter (CN 208340335U), a bag filter of detachable bag frame is disclosed to a bag filter (CN 214764062U), a medium effect bag filter of no layering is disclosed to a medium effect bag filter (CN 208553444U), a large amount of wind bag filter is disclosed to a large amount of wind bag filter (CN 208287681U), but above optimization mainly aims at the filter bag or the inside casing of bag filter, but the frame and the filter bag of filter can not be folded integrally, be suitable for the bag filter that the background mismatch has folding demand, have reference meaning to collapsible bag filter.

Disclosure of utility model

The utility model aims to solve the defects of the prior art, and provides a folding air filter.

The utility model is realized by the following technical scheme:

The folding air filter comprises an outer frame body and a filter bag, wherein the outer frame body comprises a plurality of clamping strips which are sequentially arranged at intervals in parallel, two adjusting devices are arranged between two adjacent clamping strips along the length direction of the outer frame body, and the adjusting devices can change the interval between the two adjacent clamping strips; every two adjacent clamping strips are provided with filter bags, and two adjacent clamping strips, two adjusting devices and the filter bags are encircled to form a filter space.

Compared with the prior art, the folding mode is only aimed at the filter bag or the inner frame of the bag filter, the outer frame and the filter bag of the bag filter can not be integrally folded, and the problems of the bag filter with the folding requirement and the like are solved, the folding type air filter is applicable to the problems that the background is not matched; the two adjacent clamping strips and the two adjusting devices are encircled to form an outer frame unit, wherein the cross section of the filter bag is V-shaped or U-shaped, and the filter bag is connected to the rear side of the outer frame unit to form a filter space, and the number of the filter bags is generally 3-12, or is increased or decreased as required; according to the scheme, the outer frame body is extruded or contracted by external force, so that the distance between adjacent clamping strips is reduced, the whole transverse length of the outer frame body is shortened, and the folding effect is achieved; the folding air filter provided by the scheme can be installed in an air conditioner and a ventilation system and used for purifying air, and the folding air filter is flexibly used by intelligently controlling whether the filter is unfolded or folded according to outdoor air conditions, so that the service life of the filter is effectively prolonged, the resistance of the air conditioner and the ventilation system is reduced, and the aim of reducing energy consumption is fulfilled; the outer frame body can be made of galvanized steel, aluminum alloy, stainless steel, plastic and other materials according to the requirements of the application field, and the folding air filter can meet the filtering efficiency in the range of Z1-YG.

Further preferably, the adjusting device is a bending piece, and two adjusting devices between two adjacent clamping strips are bent in opposite directions; the filter bag is convenient to install.

Further preferably, the adjusting device comprises two hinge plates, one end of each hinge plate is respectively and rotatably connected with the two adjacent clamping strips, and the other ends of the two hinge plates are connected through hinges; for optimizing the adjusting device.

Further preferably, the hinge is connected to the center positions of the opposite faces of the two hinge plates; the two hinge plates are hinged by connecting the hinge at the center of the other end of the hinge plate.

Further preferably, the hinge is connected to the outer ends of the opposite faces of the two hinge plates; for improving the sealing effect.

Further preferably, the cross section of the filter bag is V-shaped or U-shaped.

Further preferably, a fixing groove is formed in the rear side of the clamping strip, and the filter bag extends into the fixing groove.

Further preferably, along the length direction of the filter bag, a plurality of fixing holes are formed in the opposite side edges of the clamping strips, and the fixing holes are used for penetrating through fixing pieces for fixing the filter bag; the filter bag can be fixed in the fixing groove by penetrating the fixing piece.

Further optimizing, the clamping strips positioned at the two outermost sides are edge clamping strips, and the width of each edge clamping strip is larger than that of the rest clamping strips; taking the thicker side clamping strips as outermost bearing components; the outermost side is the side frame unit with the space that the card strip surrounds, and the inside space that the card strip surrounds is the interior frame unit.

Further preferably, the adjusting device is arranged at the end part of the clamping strip.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. The folding bag type air filter provided by the utility model is characterized in that the frame of the bag type air filter is made into a foldable frame by adding the hinge unit on the basis of the frame of the existing bag type air filter, so that the folding bag type air filter is convenient to store and transport, and is convenient to flexibly use in an air conditioner and a ventilation system; the filter is arranged in an air conditioner and ventilation system for purifying air, and can be intelligently controlled to be unfolded or folded according to outdoor air conditions, so that the filter is flexible to use, the service life of the filter is effectively prolonged, the resistance of the air conditioner and ventilation system is reduced, and the purpose of reducing energy consumption is achieved.

2. According to the folding bag type air filter provided by the utility model, the hinge is added on the outer frame unit of the bag type air filter, the outer frame of the bag type air filter can be extruded or contracted by external force (manual or electric), the bag type air filter is folded, the volume of the filter is reduced, and meanwhile, the filter bag of the filter cannot be influenced.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

FIG. 1 is a schematic diagram of a filter according to an embodiment of the present utility model;

FIG. 2 is a front view of an expanded outer frame according to one embodiment of the present utility model;

FIG. 3 is a front view of a folded outer frame according to one embodiment of the present utility model;

FIG. 4 is a front view of an edge frame unit according to one embodiment of the present utility model;

FIG. 5 is a front view of an inner and outer frame unit according to one embodiment of the present utility model;

fig. 6 is a schematic structural diagram of a card strip according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a hinge plate according to an embodiment of the present utility model;

FIG. 8 is a top view of an expanded filter according to one embodiment of the present utility model;

FIG. 9 is a top view of a pleated filter according to one embodiment of the utility model;

FIG. 10 is a front view of an expanded filter according to one embodiment of the present utility model;

FIG. 11 is a schematic view of a filter according to another embodiment of the present utility model;

FIG. 12 is a front view of an expanded outer frame according to another embodiment of the present utility model;

FIG. 13 is a front view of a folded outer frame according to another embodiment of the present utility model;

fig. 14 is a schematic structural view of a hinge plate according to another embodiment of the present utility model.

In the drawings, the reference numerals and corresponding part names:

01-an outer frame body; 02-filtering bag; 03-a side frame unit; 04-an inner and outer frame unit; 05-a hinge unit; 06-edge clip strips; 07-clamping strips; 08-hinge plate; 09-hinge; 10-a fixed groove; 11-fixing holes.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Example 1

The embodiment 1 provides a foldable air filter, as shown in fig. 1-10, comprising an outer frame body 01 and a filter bag 02, wherein the outer frame body 01 comprises a plurality of clamping strips 07 which are sequentially arranged at intervals in parallel, two adjusting devices are arranged between two adjacent clamping strips 07 along the length direction of the outer frame body, and the adjusting devices can change the distance between the two adjacent clamping strips 07; every two adjacent clamping strips 07 are provided with filter bags 02, and two adjacent clamping strips 07, two adjusting devices and the filter bags 02 are surrounded to form a filter space.

Compared with the prior art, the folding mode is only aimed at the filter bag 02 or the inner frame of the bag filter, the outer frame and the filter bag 02 of the bag filter can not be integrally folded, and the problems of the bag filter with folding requirements and the like are solved, the background is not matched, the folding type air filter is provided, and the folding type air filter comprises an outer frame body 01, wherein the outer frame body 01 comprises a plurality of clamping strips 07, the clamping strips 07 are parallel to each other, two adjusting devices are arranged between the adjacent clamping strips 07, the two adjusting devices are respectively and preferably arranged at two ends of the clamping strips 07, the adjusting devices can be selected from telescopic devices, bending devices and the like, and the distance between the two adjacent clamping strips 07 can be changed only by changing the distance between the two adjacent clamping strips 07; two adjacent clamping strips 07 and two adjusting devices are encircled to form an outer frame unit, wherein the cross section of the filter bag 02 is V-shaped or U-shaped, and a filtering space is formed by connecting the filter bag 02 with the rear side of the outer frame unit; according to the scheme, the outer frame body 01 is extruded or contracted by external force, so that the distance between adjacent clamping strips 07 is reduced, the whole transverse length of the outer frame body 01 is shortened, and the folding effect is achieved; the number of the filter bags 02 is generally 3-12, or is increased or decreased as required; the folding air filter provided by the scheme can be installed in an air conditioner and a ventilation system and used for purifying air, and the folding air filter is flexibly used by intelligently controlling whether the filter is unfolded or folded according to outdoor air conditions, so that the service life of the filter is effectively prolonged, the resistance of the air conditioner and the ventilation system is reduced, and the aim of reducing energy consumption is fulfilled; the outer frame 01 can be made of galvanized steel, aluminum alloy, stainless steel, plastic and other materials according to the requirements of the application field, and the folding air filter can meet the filtering efficiency in the range of Z1-YG.

Referring to fig. 2 and 3, as a specific embodiment for facilitating the installation of the filter bag 02, it is provided that: the adjusting devices are bending pieces, and two adjusting devices between two adjacent clamping strips 07 are bent in opposite directions; in this embodiment, the adjusting device is preferably a bending piece, and the bending piece can bend inwards or outwards, so as to change the interval between two adjacent clamping strips 07, and at this time, the upper edge of the filter bag 02 can be connected to the bending piece, so that the filter bag moves along with the bending piece; in addition, the bending piece is preferably bent towards the inside of the filtering space, namely, the two bending pieces are bent towards each other, so that when the filter is folded, the bending pieces cannot extend outwards, and the effect of integrally shrinking the space is achieved.

Referring to fig. 4 and 5, as a specific embodiment of the optimizing adjustment device, it is configured that: the adjusting device comprises two hinge plates 08, one end of each hinge plate 08 is respectively and rotatably connected with two adjacent clamping strips 07, and the other ends of the two hinge plates 08 are connected through a hinge 09; in this embodiment, the adjusting device includes two hinge plates 08, one end of the hinge plate 08 is rotatably connected to the clamping strip 07, and may be connected by a shaft or a rod, so that the other end of the hinge plate 08 can rotate around one end of the hinge plate 08, and the other ends of the two hinge plates 08 are connected by a hinge 09, so that the distance between the adjacent clamping strips 07 is changed by the change of the angle between the two hinge plates 08.

Referring to fig. 7, in the present embodiment, a hinge 09 is connected to the center of opposite sides of two hinge plates 08; the two hinge plates 08 are hinged by connecting the hinge 09 at the center of the other end of the hinge plate 08.

Referring to fig. 8 and 9, in this embodiment, the cross section of the filter bag 02 is V-shaped or U-shaped; the V-shaped or U-shaped filter bag 02 can be selected according to the requirements of the use place and the filtering efficiency, and the V-shaped or U-shaped filter bag 02 can adopt filter materials including but not limited to chemical fibers, glass fibers, non-woven fabrics and the like; the number of the filter bags 02 is generally 3-12, or the number, the size, the shape and the filtering efficiency of the V-shaped or U-shaped filter bags 02 can be designed and selected according to specific requirements.

Referring to fig. 6, in this embodiment, a fixing groove 10 is provided at the rear side of the clamping strip 07, and the filter bag 02 extends into the fixing groove 10.

Referring to fig. 6, in this embodiment, along the length direction of the fixing device, opposite sides of the clamping strips 07 are provided with fixing holes 11, and fixing pieces for fixing the filter bag 02 pass through the fixing holes 11; by penetrating the fixing member, the filter bag 02 can be fixed in the fixing groove 10.

Referring to fig. 2 and 3, in the present embodiment, the card strips 07 located at the two outermost sides are side card strips 06, and the width of the side card strips 06 is larger than the width of the remaining card strips 07; taking the thicker side clamping strips 06 as outermost bearing parts; the outermost space surrounded by the side clamping strips 06 and the clamping strips 07 is a side outer frame unit 03, and the inner space surrounded by the clamping strips 07 is an inner frame unit.

As a redundancy, the adjusting device is arranged at the end of the clamping strip 07.

Example 2

The present embodiment 2 is optimized on the basis of embodiment 1, and the difference between embodiment 2 and embodiment 1 is that the hinge 09 is disposed at a different position, so as to achieve the technical effect of improving the sealing performance, as shown in fig. 11-14;

referring to fig. 7 and 14, in embodiment 1, when the hinge 09 is connected to the center of the other end of the hinge plate 08, the two hinge plates 08 are offset when the angle is changed, that is, a front-back opposite rotating surface is generated, and a rotating gap is always formed between the opposite rotating surfaces, so that the overall sealing effect of the filter is affected, so in this embodiment, the hinge 09 is connected to the outer ends of the opposite surfaces of the two hinge plates 08 to improve the sealing effect; i.e. the hinge 09 is connected to the outer ends of the opposite sides of the two hinge plates 08, only the opening and closing between the two end surfaces will occur when the hinge plates 08 are rotated inwards, thereby improving the sealing effect.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The folding air filter comprises an outer frame body (01) and a filter bag (02), and is characterized in that the outer frame body (01) comprises a plurality of clamping strips (07) which are sequentially arranged at intervals in parallel, two adjusting devices are arranged between two adjacent clamping strips (07) along the length direction of the outer frame body, and the adjusting devices can change the distance between the two adjacent clamping strips (07); every two adjacent clamping strips (07) are provided with filter bags (02), and two adjacent clamping strips (07), two adjusting devices and the filter bags (02) are surrounded to form a filter space.

2. A pleated air filter according to claim 1, characterized in that said adjusting means are bending elements, two of said adjusting means being bent towards each other between two adjacent clamping strips (07).

3. A pleated air filter according to claim 2, characterized in that the adjusting means comprise two hinge plates (08), one end of each hinge plate (08) being rotatably connected to two adjacent clamping strips (07), the other ends of the two hinge plates (08) being connected by means of a hinge (09).

4. A pleated air filter according to claim 3, characterized in that said hinge (09) is connected to the central position of the opposite faces of two said hinge plates (08).

5. A pleated air filter according to claim 3, characterized in that said hinge (09) is connected to the outer ends of the opposite faces of two said hinge plates (08).

6. A pleated air filter according to claim 1, characterized in that the filter bag (02) is V-or U-shaped in cross-section.

7. A pleated air filter according to claim 1, characterized in that the rear side of the clamping strip (07) is provided with a fixing groove (10), and the filter bag (02) extends into the fixing groove (10).

8. A pleated air filter according to claim 7, characterized in that the opposite sides of the strips (07) are provided with fastening holes (11) along their length, said fastening holes (11) being provided for receiving fastening elements for fastening the filter bag (02).

9. A pleated air filter according to claim 1, characterized in that the strips (07) located at the outermost sides are edge strips (06), the width of the edge strips (06) being greater than the width of the remaining strips (07).

10. A pleated air filter according to claim 1, characterized in that the adjustment means are provided at the ends of the clamping strips (07).