CN217015858U

CN217015858U - Filter frame

Info

Publication number: CN217015858U
Application number: CN202220425829.6U
Authority: CN
Inventors: 陈诚; 史卫平
Original assignee: Jieshun Filter Jiashan Co ltd
Current assignee: Jieshun Filter Jiashan Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-07-22
Anticipated expiration: 2032-03-01

Abstract

The utility model relates to the technical field of air filters, in particular to a filter frame which comprises a straight frame and connecting corners, wherein the straight frame comprises two opposite L-shaped vertical plates, a transverse plate is connected between the vertical plates, the outer end surface of the transverse plate and the short edges of the two L-shaped vertical plates form a slot, and round holes are formed in two ends of the transverse plate; the corner connector comprises two vertically-connected inserting pieces, the inserting pieces are inserted into the slots, the inner sides of the inserting pieces are provided with circular key positions, and the circular key positions are connected with the circular holes in a matched mode. Compared with the prior art, the method has the advantages that: the straight frame is matched with the connecting angle, so that the filter element is convenient to mount and dismount; no additional gluing or rivet connection is needed, so that the working process is reduced, the working efficiency is improved, the production process is environment-friendly, and the appearance is smooth and attractive; the filter cores with different lengths and the same height can use the same connecting angle, and the adaptation range is wider.

Description

Filter frame

Technical Field

The utility model relates to the technical field of air filters, in particular to a filter frame.

Background

Most of square filters in the market at present generally adopt colloid bonding formula frame or integral type frame. The air quality is influenced by the colloid bonding, the environment is not protected, and the whole stress of the bonded frame is weak and not firm enough; the development cost and the inventory cost of the integrated frame are too high, and resource waste is caused.

Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a filter frame, which is realized by the following technical scheme in comparison with the prior art:

a filter frame comprises a straight frame and connecting corners, wherein the straight frame comprises two opposite L-shaped vertical plates, a transverse plate is connected between the vertical plates, the outer end face of the transverse plate and the short edges of the two L-shaped vertical plates form a slot, and round holes are formed in two ends of the transverse plate; the corner connector comprises two vertically-connected inserting pieces, the inserting pieces are inserted into the slots, the inner sides of the inserting pieces are provided with circular key positions, and the circular key positions are connected with the circular holes in a matched mode.

Through adopting above-mentioned technical scheme, the cooperation of straight frame and connection angle need not additionally carry out gluing or rivet connection, the installation and the dismantlement of the filter core of being convenient for.

As a preferred scheme of the utility model, the inserting sheet is provided with an exhaust hole.

By adopting the technical scheme, the instant resistance of assembly is reduced, and the assembly is smoother.

As a preferable scheme of the utility model, one side of the circular key position, which is close to the outer end of the inserting piece, is provided with an inclined plane, and the inclined plane inclines towards the direction of the inserting piece.

Through adopting above-mentioned technical scheme, the in-process guide circular key position that the inserted sheet inserted the slot gets into the round hole, reduces the area of contact of circular key position and diaphragm simultaneously, reduces the friction, the assembly of being convenient for.

As a preferable scheme of the utility model, a limiting plate is arranged at the outer side of the joint of the two inserting sheets.

Through adopting above-mentioned technical scheme, the limiting plate is convenient for seal frame four corners position, prevents the perk of inside filter core four corners.

As a preferable scheme of the utility model, the limiting plate is a square with the side length same as the width of the straight frame.

Through adopting above-mentioned technical scheme, can not take place to interfere and guarantee the wholeness of whole frame between the straight frame after the installation.

As a preferable scheme of the utility model, the outer end of the inserting piece is provided with a chamfer.

Through adopting above-mentioned technical scheme, the inserted sheet of being convenient for inserts the slot.

As a preferable scheme of the utility model, two sides of the outer surface of the insert are provided with side grooves, and the side grooves are matched with the short edges of the vertical plate.

Through adopting above-mentioned technical scheme, after the inserted sheet inserted the slot, be difficult for rocking, further increased the frame firmness.

The utility model discloses a filter frame, which has the advantages compared with the prior art that:

1) the straight frame is matched with the connecting angle, so that the filter element is convenient to mount and dismount;

2) no additional gluing or rivet connection is needed, the working process is reduced, the working efficiency is improved, the production process is environment-friendly, and the appearance is smooth and attractive;

3) the filter cores with different lengths and the same height can use the same connecting angle, and the adaptation range is wider.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view of a first straight frame of the present invention;

FIG. 4 is a side view of a first straight edge frame of the present invention;

FIG. 5 is a schematic view of the connection angle of the present invention;

fig. 6 is a side view of a connecting angle of the present invention.

The numbers and letters in the figures represent the respective part names:

1. a straight frame; 11. a vertical plate; 12. a transverse plate; 13. a slot; 2. a connecting angle; 21. inserting sheets; 3. a circular hole; 4. a circular key position; 41. a bevel; 5. an exhaust hole; 6. a limiting plate; 7. and (4) side grooves.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1-6, the utility model discloses a filter frame, which comprises a straight frame 1 and a connecting corner 2, wherein the straight frame 1 comprises two opposite L-shaped vertical plates 11, a transverse plate 12 is connected between the vertical plates 11, an outer end surface of the transverse plate 12 and short sides of the two L-shaped vertical plates 11 form a slot 13, and two ends of the transverse plate 12 are provided with round holes 3; the fillet of connecing 2 includes two perpendicular connections's inserted sheet 21, inserted sheet 21 inserts in the slot 13, the inboard of inserted sheet 21 is equipped with circular key position 4, circular key position 4 with round hole 3 cooperation is connected.

The filter comprises four straight frames 1, two opposite straight frames are equal in length, four connecting angles 2 are arranged, and the four straight frames 1 and the four connecting angles 2 form a filter frame. The distance from the center of the round hole 3 to the near end of the edge of the transverse plate 12 is the same as the distance from the center of the round key position 4 to the joint of the two insertion pieces 21, so that the frame is firmly assembled and is attractive. The connecting angle 2 is made of plastic. The width of the insert 21 is the same as the height of the straight frame 1. The outer surface of the insert 21 inserted into the slot 13 is flush with the outer surface of the short side of the vertical plate 11.

The inner end face of the transverse plate 12 and the long edge of the L-shaped vertical plate 11 form a groove, and the filter element is clamped in the groove. The upper and lower edges of the groove incline 1-5 degrees to the center, so that the filter element can be better clamped.

The insert 21 is provided with an exhaust hole 5. The exhaust hole 5 is in when the inserted sheet 21 is inserted into the slot 13, the instant resistance of assembly is reduced, and the assembly is smoother.

The round key position 4 is provided with a slope 41 at one side close to the outer end of the inserting piece 21, and the slope 41 inclines towards the inserting piece 21. Inclined plane 41 is the spigot surface insert piece 21 inserts the in-process of slot 13, the guide circular key position 4 gets into in the round hole 3, reduce simultaneously circular key position 4 with the area of contact of diaphragm 12 reduces the friction, the assembly of being convenient for.

And a limiting plate 6 is arranged at the outer side of the joint of the two inserting pieces 21. The limiting plate 6 is a square with the side length same as the width of the straight frame 1. After installation, interference can not occur between the straight frames 1, and the integrity of the whole frame is ensured.

The outer end of the inserting piece 21 is provided with a chamfer. Facilitating insertion into the slot 13. The inserted sheet 21 surface both sides are equipped with limit groove 7, limit groove 7 with the minor face of riser 11 cooperatees. Inserting piece 21 inserts behind slot 13, be difficult for rocking, further increased the frame firmness.

During the use, insert two inserted sheets 21 of connecting angle 2 respectively in the slot 13 of adjacent straight frame 1, circular key position 4 is fixed with round hole 3 joint, accomplishes the fixed connection of two straight frames 1, and two limit joints of filter core are in the recess of straight frame 1 to this analogizes and accomplishes the connection of four straight frames 1, forms detachable filter frame.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solution of the present invention and the inventive concept with equivalent alternatives or modifications within the scope of the present invention.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A filter frame comprises a straight frame (1) and connecting corners (2), and is characterized in that the straight frame (1) comprises two opposite L-shaped vertical plates (11), a transverse plate (12) is connected between the vertical plates (11), an outer end face of the transverse plate (12) and short sides of the two L-shaped vertical plates (11) form a slot (13), and round holes (3) are formed in two ends of the transverse plate (12); the fillet (2) includes inserted sheet (21) of two perpendicular connections, inserted sheet (21) insert in slot (13), the inboard of inserted sheet (21) is equipped with circular key position (4), circular key position (4) with round hole (3) cooperation is connected.

2. A filter frame as claimed in claim 1, wherein the insert (21) is provided with an exhaust hole (5).

3. A filter frame according to claim 1, wherein a slope (41) is provided at one side of the circular key (4) close to the outer end of the inserting piece (21), and the slope (41) inclines towards the direction of the inserting piece (21).

4. A filter frame according to claim 1, wherein a limiting plate (6) is provided outside the joint of the two inserting sheets (21).

5. A filter frame as claimed in claim 4, characterised in that the limiting plates (6) are square with sides of the same length as the width of the straight frame (1).

6. A filter frame as claimed in claim 1, characterised in that the outer ends of the insert tabs (21) are chamfered.

7. A filter frame as claimed in claim 1, wherein the tabs (21) have side grooves (7) on both sides of the outer surface, and the side grooves (7) are engaged with the short sides of the risers (11).