CN214465397U

CN214465397U - High-stability corner connector, filter frame body assembly and air filter

Info

Publication number: CN214465397U
Application number: CN202023310638.5U
Authority: CN
Inventors: 李团结; 丁淑美; 丁明聪; 李胜利
Original assignee: Shenzhen Wanwei Air Conditioning Purification Engineering Co ltd
Current assignee: Shenzhen Wanwei Air Conditioning Purification Engineering Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-10-22
Anticipated expiration: 2030-12-31

Abstract

An embodiment of the utility model provides a high stability's angle sign indicating number, connect the bellying including connecting plate and location. The connecting plate comprises a first connecting piece and a second connecting piece, and the length extending direction of the first connecting piece is intersected with the length extending direction of the second connecting piece. The positioning connecting bulge is connected to at least one of the first connecting piece and the second connecting piece, and the positioning connecting bulge is provided with an end part far away from the connecting plate, and the end part faces to the connecting part of the first connecting piece and the second connecting piece. The utility model provides a high stability's angle sign indicating number, including connecting plate and location connection bellying, set up location connection bellying through at least one in the first connecting piece of connecting plate and the second connecting piece to location connection bellying has the tip of keeping away from the connecting plate, and the tip has promoted the connection stability of high stability's angle sign indicating number towards the junction of first connecting piece and second connecting piece. The embodiment of the utility model provides a still provide a filter frame body subassembly and an air cleaner.

Description

High-stability corner connector, filter frame body assembly and air filter

Technical Field

The utility model relates to an angle sign indicating number technical field particularly, relates to an angle sign indicating number, filter frame body subassembly and air cleaner of high stability.

Background

Corner connectors are parts mounted at corners of connected furniture, doors and windows or other frame bodies, and are widely used in air filters, decoration engineering and furniture assembly.

In order to strengthen the fastening nature that atress and section bar are connected, two section bars are inserted respectively to the both ends of current angle sign indicating number and are fixed, adopt the bolt fastening during fixed, and this kind of angle sign indicating number installation is inconvenient to it is not hard up easily, and the fastness is relatively poor, is difficult to satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an angle sign indicating number, filter frame body subassembly and air cleaner of high stability to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

In a first aspect, an embodiment of the present invention provides a high-stability corner connector, including connecting plate and positioning connection boss. The connecting plate comprises a first connecting piece and a second connecting piece, and the length extending direction of the first connecting piece is intersected with the length extending direction of the second connecting piece. The positioning connecting bulge is connected to at least one of the first connecting piece and the second connecting piece, and the positioning connecting bulge is provided with an end part far away from the connecting plate, and the end part faces to the connecting part of the first connecting piece and the second connecting piece.

In one embodiment, the positioning and connecting boss comprises a plurality of first bosses, and the plurality of first bosses are connected to the first connecting piece and are distributed at intervals along the length extension direction of the first connecting piece.

In one embodiment, the positioning and connecting protrusion further comprises a plurality of second protrusions, and the plurality of second protrusions are connected to the second connecting piece and are distributed at intervals along the length extension direction of the second connecting piece.

In one embodiment, the positioning and connecting protrusion further includes a first surface and a second surface opposite to the first surface, the first surface and the second surface are connected at the end portion, the connecting plate further includes a connecting surface, and an included angle between the second surface and the connecting surface is larger than an included angle between the first surface and the connecting surface.

In one embodiment, the first connector includes a first connecting surface and the second connector includes a second connecting surface, the first connecting surface and the second connecting surface being connected coplanar and forming a connecting surface of the connecting plate.

In a second aspect, the embodiment of the present invention further provides a filter frame assembly, which includes a first frame, a second frame and any of the above corner connectors with high stability. The first frame is provided with a first positioning clamping groove. The second frame is detachably connected to the first frame, and the second frame is provided with a second positioning clamping groove. The first connecting piece is arranged on the first frame, the second connecting piece is arranged on the second frame, and the positioning connecting protruding portion is embedded in at least one of the first positioning clamping groove and the second positioning clamping groove.

In an implementation mode, the first frame is further provided with a first mounting groove, the first positioning clamping groove is located in the first mounting groove and communicated with the first mounting groove, the second frame is further provided with a second mounting groove, the second positioning clamping groove is located in the second mounting groove and communicated with the second mounting groove, the positioning connecting protrusion comprises a first protrusion and a second protrusion which are spaced, the first protrusion is connected to the first connecting piece and clamped in the first positioning clamping groove, and the second protrusion is connected to the second connecting piece and clamped in the second positioning clamping groove.

In one embodiment, the filter frame assembly further includes an elastic embedding layer disposed on the first positioning slot and the second positioning slot, and the positioning connection protrusion embedded in at least one of the first positioning slot and the second positioning slot abuts against the elastic embedding layer.

In a third aspect, the embodiment of the present invention further provides an air filter, which includes a filter assembly and a filter frame assembly, wherein the filter frame assembly is enclosed at an edge of the filter assembly.

In an embodiment, the filter assembly comprises an air inlet face, an air outlet face, a first installation side face, a second installation side face and a filter element, wherein the air inlet face is back to back with the air outlet face, the first installation side face is back to back with the second installation side face, the first installation side face and the second installation side face are both connected between the air inlet face and the air outlet face, the filter element is located between the air inlet face and the air outlet face, and the filter frame body assembly is connected with the first installation side face, the second installation side face and a part of the air inlet face and a part of the air outlet face.

Compared with the prior art, the utility model provides a high stability's angle sign indicating number, filter frame body subassembly and air cleaner, including connecting plate and location connection bellying, the connecting plate includes first connecting piece and second connecting piece, the length extending direction of first connecting piece intersects with the length extending direction of second connecting piece, set up the location connection bellying through at least one in first connecting piece and second connecting piece, and the location connection bellying has the tip of keeping away from the connecting plate, the tip is towards the junction of first connecting piece and second connecting piece, the connection stability of high stability's angle sign indicating number has been promoted, thereby filter frame body subassembly and air cleaner's stability has been promoted, it is better to make filter frame body subassembly and air cleaner's fastness.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a high-stability corner connector provided by an embodiment of the present invention at a viewing angle.

Fig. 2 is a schematic structural diagram of a high-stability corner connector provided by an embodiment of the present invention at another viewing angle.

Fig. 3 is a schematic structural diagram of a corner brace with high stability according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a filter frame assembly according to an embodiment of the present invention.

Fig. 5 is a schematic diagram illustrating a filter frame assembly according to an embodiment of the present invention.

Fig. 6 is a sectional view taken along a-a direction of fig. 4.

Fig. 7 is a partially enlarged view of the positioning connection protruding portion of fig. 6 at a position B in a state of being engaged with the first positioning engaging groove.

Fig. 8 is a cross-sectional view taken along the direction C-C of fig. 4.

Fig. 9 is a partial enlarged view at B of fig. 6 with the attachment tab positioned against the resilient insert.

Fig. 10 is a schematic structural diagram of an air filter according to an embodiment of the present invention.

Fig. 11 is a cross-sectional view taken along the direction D-D of fig. 10.

Fig. 12 is a partial enlarged view of fig. 11 at E.

Detailed Description

In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, an embodiment of the present invention provides a high-stability corner brace 11, which includes a connecting plate 110 and a positioning connecting protrusion 115, wherein the positioning connecting protrusion 115 is connected to the connecting plate 110.

In this embodiment, connecting plate 110 is the metal material, and the intensity of metal material is higher, and tensile strength and compressive strength are higher, and consequently the angle sign indicating number 11 stability of high stability is better, connects more firmly. In other embodiments, the material of the connection plate 110 may be plastic or other materials such as glass.

Referring to fig. 1 and 2, the connection plate 110 includes a connection surface 1110, and the connection surface 1110 may be in contact connection with the structure to be mounted, so as to achieve a fixed connection between the connection plate 110 and the structure to be mounted, where the connection manner may be bonding or welding, and may be selected according to a material of the connection plate 110. The connection surface 1110 may be provided with positioning connection bosses 115.

The connecting plate 110 includes a first connecting member 1120 and a second connecting member 1130, and a length extending direction of the first connecting member 1120 intersects a length extending direction of the second connecting member 1130. In this embodiment, an angle between a length extending direction of the first connecting member 1120 and a length extending direction of the second connecting member 1130 is substantially 90 °, so that the connecting plate 110 is substantially L-shaped. In other embodiments, the included angle between the length extending direction of the first connector 1120 and the length extending direction of the second connector 1130 may also be set to other angles according to requirements. In this embodiment, the first connector 1120 and the second connector 1130 are integrally formed. In other embodiments, the first connector 1120 and the second connector 1130 may be fixed by bonding or the like.

The first connecting member 1120 includes a first connecting surface 1121, and the first connecting surface 1121 may also be connected to the structure to be mounted in a contact manner, or may be connected by bonding or welding.

The second connector 1130 includes a second connecting surface 1131, and the second connecting surface 1131 may also be connected to the structure to be mounted in a contact manner, and the connection manner may also be bonding or welding. In this embodiment, the second connecting surface 1131 and the first connecting surface 1121 are connected and coplanar to form the connecting surface 1110 of the connecting plate 110, so that the appearance consistency of the connecting plate 110 is improved, and the installation of the corner connector 11 with high stability is facilitated.

The positioning coupling boss 115 is coupled to at least one of the first coupling member 1120 and the second coupling member 1130. In the present embodiment, the positioning and connecting protrusion 115 is connected to the first connector 1120 and the second connector 1130, and the positioning and connecting protrusion 115 is inclined with respect to the first connecting surface 1121 or the second connecting surface 1131. In other embodiments, the positioning connection boss 115 may also be connected to the first connector 1120 or the second connector 1130.

Positioning connection boss 115 has an end 1151 far from connecting plate 110, and end 1151 faces to the connection between first connector 1120 and second connector 1130, that is, end 1151 extends from first connection surface 1121 along the connection between first connector 1120 and second connector 1130 or extends from second connection surface 1131 along the connection between first connector 1120 and second connector 1130, so that when first connector 1120 or second connector 1130 is mounted to a structure to be mounted, positioning connection boss 115 guides the mounting of first connector 1120 or second connector 1130, and the mounting is convenient and quick. The positioning connection protruding portion 115 can be of a spring plate structure, the high-stability corner brace 11 can be compressed and deformed in the installation process, and the installation influence on the high-stability corner brace 11 is small. After the high-stability corner connector 11 is installed, the elastic sheet structure part is restored and abuts against the structure to be installed. The shell fragment structure forms the effect of similar barb, makes the angle sign indicating number 11 of high stability be difficult for with treat the mounting structure separation, therefore the angle sign indicating number 11 of high stability's connection stability is good, and is firm reliable.

Positioning connection boss 115 includes a plurality of first bosses 1153, and the plurality of first bosses 1153 extend from first connection surface 1121 proximate to the connection of first connection member 1120 and second connection member 1130. The plurality of first protrusions 1153 are connected to the first connector 1120 and are spaced apart along a length extending direction of the first connector 1120, that is, the plurality of first protrusions 1153 extend along an installation direction of the first connector 1120, so as to facilitate installation of the first connector 1120.

The positioning connection boss 115 further includes a plurality of second bosses 1155, and the plurality of second bosses 1155 extend from the second connection surface 1131 to proximate a connection of the first connector 1120 and the second connector 1130. The plurality of second protrusions 1155 are coupled to the second connector 1130 and are spaced apart along the length of the second connector 1130, that is, the plurality of second protrusions 1155 extend along the mounting direction of the second connector 1130, which facilitates the mounting of the second connector 1130.

Referring to FIG. 3, in other embodiments, positioning connection boss 115 further includes a first surface 1157 and a second surface 1159 opposite first surface 1157, and first surface 1157 and second surface 1159 are connected at end 1151. The angle between the second surface 1159 and the connecting surface 1110 is larger than the angle between the first surface 1157 and the connecting surface 1110, so that the positioning connecting protrusion 115 is substantially fin-shaped, and the first surface 1157, the second surface 1159 and the connecting surface 1110 are connected to each other, which improves the stability of the positioning connecting protrusion 115, and also improves the connection stability of the high-stability corner brace 11.

To sum up, the utility model provides a high stability's angle sign indicating number 11, connect bellying 115 including connecting plate 110 and location, connecting plate 110 includes first connecting piece 1120 and second connecting piece 1130, the length extending direction of first connecting piece 1120 intersects with the length extending direction of second connecting piece 1130, set up location connection bellying 115 through at least one in first connecting piece 1120 and second connecting piece 1130, and location connection bellying 115 has the tip 1151 of keeping away from connecting plate 110, tip 1151 is towards the junction of first connecting piece 1120 and second connecting piece 1130, the connection stability of high stability's angle sign indicating number 11 has been promoted.

Referring to fig. 4 and 5, a filter frame assembly 10 is further provided, which includes a first frame 13, a second frame 15, and a high-stability corner brace 11.

In this embodiment, the number of the corner connectors 11 with high stability may be two, and the two corner connectors 11 with high stability are arranged in parallel at intervals and are respectively connected to the two opposite ends of the first frame 13, and are also respectively connected to the two opposite ends of the second frame 15, so that the first frame 13 is connected to the second frame 15, and the connection stability of the filter frame assembly 10 is improved.

The first frame 13 may be used to mount the first connector 1120. The first frame 13 includes a first top plate 131, a first bottom plate 132 and a first side plate 133, wherein the first top plate 131 and the first bottom plate 132 are opposite and connected to the same side of the first side plate 133, the first side plate 133 is connected between the first top plate 131 and the first bottom plate 132, and the first top plate 131 and the first bottom plate 132 can be respectively connected to the first connectors 1120 of the two high-stability corner connectors 11.

Referring to fig. 5, 6 and 7, the first top plate 131 may be provided with a first positioning engaging groove 134, the first positioning engaging groove 134 is disposed on a side of the first top plate 131 close to the first bottom plate 132, the first positioning engaging groove 134 may be used for engaging the first protrusion 1153, and the first top plate 131 may be in contact connection with the first connector 1120, and the connection manner may be bonding or welding.

First bottom plate 132 also can be equipped with first positioning slot 134, and first positioning slot 134 sets up in the one side that first roof 131 is close to first bottom plate 132, and first positioning slot 134 can be used for the first bellying 1153 of another high stability's angle sign indicating number 11 of block, and first bottom plate 132 also can be with the first connecting piece 1120 butt of another high stability's angle sign indicating number 11, and the connected mode also can be bonding or welding.

In this embodiment, the first frame 13 is further provided with a first mounting groove 135, and the first mounting groove 135 can be used for mounting the first connecting member 1120. The first mounting groove 135 may have a first positioning catching groove 134 therein, and the first mounting groove 135 may communicate with the first positioning catching groove 134. When the first connector 1120 is mounted on the first frame 13, the first connector 1120 can abut against the bottom of the first mounting groove 135, and the first protrusion 1153 can be embedded in the first positioning slot 134.

Referring to fig. 4, 5 and 8, the second frame 15 is detachably connected to the first frame 13, and specifically, the second frame 15 is connected to the first frame 13 through the corner connector 11 with high stability. The second rim 15 may be used to mount the second connector 1130. The structure of the second frame 15 may be the same as that of the first frame 13. That is, the second frame 15 includes a second top plate 151, a second bottom plate 152 and a second side plate 153, wherein the second top plate 151 and the second bottom plate 152 are opposite to each other and connected to the same side of the second side plate 153, the second side plate 153 is connected between the second top plate 151 and the second bottom plate 152, and the second top plate 151 and the second bottom plate 152 can be respectively connected to the second connecting members 1130 of the two high-stability corner connectors 11.

The second frame 15 is provided with a second positioning slot 154, and at least one of the first positioning slot 134 and the second positioning slot 154 can be embedded with the positioning connection protrusion 115. In the present embodiment, the first positioning engaging groove 134 and the second positioning engaging groove 154 are embedded with the positioning connecting protrusion 115. In other embodiments, the first positioning engaging groove 134 may be embedded with the positioning connecting protrusion 115, the second positioning engaging groove 154 is not embedded with the positioning connecting protrusion 115, and the second frame 15 may be directly and fixedly connected to the second connecting member 1130 by bonding, screwing, or the like.

The second top plate 151 and the second bottom plate 152 may be provided with a second positioning slot 154, and the second positioning slot 154 may be used for engaging with the second protrusion 1155.

In this embodiment, the second frame 15 is further provided with a second mounting groove 155, and the second mounting groove 155 can be used for mounting the second connecting member 1130. A second locator card slot 154 may be disposed in the second mounting groove 155, and the second mounting groove 155 may communicate with the second locator card slot 154. When the second connecting member 1130 is mounted to the second frame 15, the second connecting member 1130 may abut against the bottom of the second mounting groove 155, and the second protruding portion 1155 may be embedded in the second positioning slot 154.

The filter frame assembly 10 includes opposing first and second contact surfaces 16, 17, the first contact surface 16 being disposed on the first and

second rims

13, 15, in particular on a side of the first top panel 131 adjacent to the first bottom panel 132, and the second top panel 151 adjacent to the second bottom panel 152. The second contact surface 17 is disposed on the first frame 13 and the second frame 15, specifically on the side of the first bottom plate 132 close to the first top plate 131, and the side of the second bottom plate 152 close to the second top plate 151.

Referring to fig. 8 and 9, in other embodiments, the filter frame assembly 10 further includes an elastic insertion layer 18, the elastic insertion layer 18 is disposed on the first positioning slot 134 and the second positioning slot 154, and the positioning connection protrusion 115 embedded in at least one of the first positioning slot 134 and the second positioning slot 154 is abutted against the elastic insertion layer 18. The positioning connection protruding portion 115 abuts against the elastic embedding layer 18, so that interference fit between the high-stability corner brace 11 and the filter frame body assembly 10 can be achieved, connection stability between the high-stability corner brace 11 and the filter frame body assembly 10 is improved, and stability of the filter frame body assembly 10 is improved.

In summary, the filter frame assembly 10 provided in this embodiment includes the first frame 13, the second frame 15 and the corner connector 11 with high stability, the first frame 13 is provided with the first positioning slot 134, the second frame 15 is provided with the second positioning slot 154, the first connecting member 1120 is installed in the first frame 13, the second connecting member 1130 is installed in the second frame 15, and the positioning connecting protrusion 115 is embedded in at least one of the first positioning slot 134 and the second positioning slot 154, so that the corner connector 11 with high stability can be stably connected with the first frame 13 and the second frame 15, the connection stability of the first frame 13 and the second frame 15 is realized, and the stability of the filter frame assembly 10 is improved.

Referring to fig. 10, an air filter 1 according to an embodiment of the present invention includes a filter assembly 20 and a filter frame assembly 10, wherein the filter frame assembly 10 is disposed around an edge of the filter assembly 20.

Referring to fig. 11, the filter assembly 20 is substantially a rectangular plate-shaped structure, and the filter assembly 20 includes an air inlet surface 21, an air outlet surface 23, a filter element 25, a first installation side surface 27, and a second installation side surface 29. The air inlet surface 21 is opposite to the air outlet surface 23, and the first mounting side surface 27 and the second mounting side surface 29 are opposite to each other. The filter element 25 is positioned between the air inlet surface 21 and the air outlet surface 23. The first mounting side 27 is connected between the air inlet surface 21 and the air outlet surface 23, and the second mounting side 29 is also connected between the air inlet surface 21 and the air outlet surface 23.

Referring to fig. 5, 11 and 12, the air intake surface 21 may be opposite to an air supply outlet of the clean room to realize air intake. In the present embodiment, a part of the air intake surface 21 is connected to the filter frame assembly 10, and specifically, the air intake surface 21 is connected in contact with the first contact surfaces 16 of the first frame 13 and the second frame 15.

The air outlet surface 23 is a surface through which filtered air passes. In the present embodiment, a portion of the air outlet surface 23 is connected to the filter frame assembly 10, specifically, the air outlet surface 23 is in contact with the second contact surfaces 17 of the first frame 13 and the second frame 15.

The first installation side surface 27 is connected to the filter frame assembly 10, in this embodiment, the first installation side surface 27 may be bonded to the first side plate 133 by a sealant, so as to seal between the first installation side surface 27 and the first side plate 133, prevent air from flowing out from the air outlet surface 23 through a gap between the first installation side surface 27 and the first side plate 133 from the air inlet surface 21, and improve the filtering effect of the air filter 1.

The second attachment side 29 is connected to the filter frame assembly 10, and the second attachment side 29 may be bonded to the second side plate 153 by a sealant. The attachment of the filter assembly 20 to the filter frame assembly 10 is accomplished by the first contact surface 16 contacting the air intake surface 21, the second contact surface 17 contacting the air intake surface 21, the first attachment side 27 adhering to the first side plate 133, and the second attachment side 29 adhering to the second side plate 153.

The filter element 25 is positioned between the air inlet surface 21 and the air outlet surface 23, and the filter element 25 can filter air to clean the air. In this embodiment, the material of the filter element 25 may be a superfine glass fiber filter paper. In other embodiments, the material of the filter element 25 may be other materials having a filtering function.

In summary, the air filter 1 provided by the present embodiment includes the filter assembly 20 and the filter frame assembly 10, the filter frame assembly 10 is enclosed at the edge of the filter assembly 20, and the corner brace 11 with high stability is stably connected to the first frame 13 and the second frame 15, so that the stability of the filter frame assembly 10 is improved, and the stability of the air filter 1 is improved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A high stability corner brace, comprising:

the connecting plate comprises a first connecting piece and a second connecting piece, and the length extending direction of the first connecting piece is intersected with the length extending direction of the second connecting piece; and

the positioning connection boss is connected to at least one of the first connecting piece and the second connecting piece, and the positioning connection boss is provided with an end part far away from the connecting plate, and the end part faces to the joint of the first connecting piece and the second connecting piece.

2. The high stability corner brace of claim 1, wherein the positioning and connecting protrusions comprise a plurality of first protrusions, and the plurality of first protrusions are connected to the first connector and spaced apart along a length extension of the first connector.

3. The high stability corner brace of claim 2, wherein the positioning and connecting protrusions further comprise a plurality of second protrusions, and the plurality of second protrusions are connected to the second connector and spaced apart along the length of the second connector.

4. The high stability corner brace of any of claims 1-3, wherein the locating connection boss further comprises a first surface and a second surface opposite the first surface, the first surface and the second surface being connected at the end, the connection plate further comprising a connection surface, the second surface being at a greater angle than the first surface.

5. The high stability corner brace of claim 4, wherein the first connector includes a first connecting surface and the second connector includes a second connecting surface, the first and second connecting surfaces being connected coplanar and forming the connecting surface of the connecting plate.

6. A filter frame assembly, comprising:

the first frame is provided with a first positioning clamping groove;

the second frame is detachably connected to the first frame and provided with a second positioning clamping groove; and

the high-stability corner connector of claim 1, wherein the first connecting member is mounted on the first frame, the second connecting member is mounted on the second frame, and the positioning and connecting protrusion is embedded in at least one of the first positioning slot and the second positioning slot.

7. The filter frame assembly of claim 6, wherein the first rim further defines a first mounting slot, the first positioning slot is disposed in the first mounting slot and in communication with the first mounting slot, the second rim further defines a second mounting slot, the second positioning slot is disposed in the second mounting slot and in communication with the second mounting slot, the positioning and connecting protrusion includes a first protrusion and a second protrusion, the first protrusion is connected to the first connecting member and engaged with the first positioning slot, and the second protrusion is connected to the second connecting member and engaged with the second positioning slot.

8. The filter frame assembly of claim 6, further comprising an elastic insert disposed in the first and second locator slots, wherein the locator connector tab embedded in at least one of the first and second locator slots abuts the elastic insert.

9. An air filter, comprising:

a filter assembly; and

the filter frame assembly of any of claims 6-8, the filter frame assembly circumscribing an edge of the filter assembly.

10. The air filter of claim 9, wherein the filter assembly includes an air inlet face, an air outlet face, a first mounting side face, a second mounting side face, and a filter element, the air inlet face is opposite to the air outlet face, the first mounting side face is opposite to the second mounting side face, the first mounting side face and the second mounting side face are both connected between the air inlet face and the air outlet face, the filter element is located between the air inlet face and the air outlet face, and the filter frame assembly is connected to the first mounting side face, the second mounting side face, and partially the air inlet face and partially the air outlet face.