CN215388334U

CN215388334U - Filter element mounting structure of self-cleaning air filtering device

Info

Publication number: CN215388334U
Application number: CN202122197153.8U
Authority: CN
Inventors: 廖益; 刘瑾; 袁梦月
Original assignee: Qingyuan Liansheng Air Liquid Co ltd
Current assignee: Qingyuan Liansheng Air Liquid Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-01-04
Anticipated expiration: 2031-09-10

Abstract

The utility model provides a filter element mounting structure of a self-cleaning air filtering device, which comprises an end cover, a filter element and a protective sleeve; the middle part of the bottom surface of the end cover is concavely provided with a circular sinking groove, the inner wall of the sinking groove is provided with threads, the middle part of the top surface of the end cover is provided with a first prismatic hole, and the first prismatic hole is communicated with the sinking groove; the filter element comprises a support framework and a filter screen coated outside the support framework, a communicating pipe is fixedly arranged at the top end of the support framework, and the outer diameter of the communicating pipe is matched with the inner diameter of the sink tank and is fixedly connected with the sink tank through threads; the top end of the protective sleeve is fixed on the bottom surface of the end cover, the protective sleeve is covered on the outer side of the filter element, and the outer wall of the protective sleeve is provided with densely distributed filter holes; the outer wall of the end cover is provided with threads and can be used for mounting and matching with the filtering device; its novel structure, easy dismounting, the production equipment of can being convenient for, also easy access or replacement still can cover the filter core and establish the protection.

Description

Filter element mounting structure of self-cleaning air filtering device

Technical Field

The utility model relates to the field of filter element mounting structures, in particular to a filter element mounting structure of a self-cleaning air filtering device.

Background

The self-cleaning air filter mainly comprises two modes, one mode is normal filtration, air enters an air filter element, dust is adsorbed by the filter element due to the actions of inertial diffusion, contact resistance and the like, and clean air is discharged; the other mode is self-cleaning, and impurities adhered to the filter element are discharged mainly by reverse blowing, so that the cleaning mode is realized;

most of the traditional filter core structures are complex in structure, inconvenient to assemble, disassemble and use, inconvenient to maintain or replace and to be improved.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a filter element mounting structure of a self-cleaning air filtering device, which has the advantages of novel structure, convenience in disassembly and assembly, convenience in production and assembly, convenience in maintenance or replacement and capability of covering and protecting the filter element.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a filter element mounting structure of a self-cleaning air filtering device, which comprises an end cover, a filter element and a protective sleeve; the middle part of the bottom surface of the end cover is concavely provided with a circular sinking groove, the inner wall of the sinking groove is provided with threads, the middle part of the top surface of the end cover is provided with a first prismatic hole, and the first prismatic hole is communicated with the sinking groove; the filter element comprises a support framework and a filter screen coated outside the support framework, a communicating pipe is fixedly arranged at the top end of the support framework, and the outer diameter of the communicating pipe is matched with the inner diameter of the sink tank and is fixedly connected with the sink tank through threads; the top end of the protective sleeve is fixed on the bottom surface of the end cover, the protective sleeve is covered on the outer side of the filter element, and the outer wall of the protective sleeve is provided with densely distributed filter holes; the outer wall of end cover is equipped with the screw thread, can be used for installing the cooperation with filter equipment.

In a preferred technical scheme of the utility model, the top of the outer wall of the end cover is fixedly provided with a limiting ring, and the outer diameter of the limiting ring is larger than the diameter of the end cover.

In a preferred technical scheme of the utility model, the supporting framework comprises a first annular plate, a second annular plate and a plurality of supporting rods for connecting the first annular plate and the second annular plate, the plurality of supporting rods are distributed in a circumferential array around the axis of the first annular plate, the communicating pipe is fixedly arranged on the top surface of the first annular plate, and the inner diameter of the communicating pipe is the same as that of the first annular plate.

In a preferred technical scheme of the utility model, the first annular plate, the second annular plate, the supporting rod and the communicating pipe are of an integral structure.

In a preferred technical scheme of the utility model, the outer wall of the top end of the protective sleeve is fixedly provided with a connecting ring, the outer diameter of the connecting ring is smaller than that of the end cover, and the protective sleeve is fixed on the bottom surface of the end cover through a screw penetrating through the connecting ring.

In a preferred technical scheme of the utility model, the top end of the inner wall of the communicating pipe is provided with a second prism hole, the second prism hole is opposite to the corner of the first prism hole, and the maximum aperture of the second prism hole is smaller than the minimum aperture of the first prism hole.

In a preferred technical scheme of the utility model, a convex ring is fixedly arranged on the top surface of the end cover, the inner diameter of the convex ring is larger than the outer diameter of the first prismatic hole, and a threaded hole is formed in the inner wall of the convex ring.

The utility model has the beneficial effects that:

the filter element mounting structure of the self-cleaning air filtering device provided by the utility model is novel in structure, comprises the end cover, the filter element and the protective sleeve which are assembled and matched, is convenient to produce and assemble, is convenient to overhaul or replace, and is convenient to use; and, the outside of filter core is located to the protective sleeve cover, can cover the filter core and establish the protection, does not influence under the filterable circumstances of normal, can effectively prevent that the filter core from receiving the collision damage.

Drawings

FIG. 1 is a schematic diagram of a cartridge mounting structure of a self-cleaning air filtration unit in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural view of an end cap provided in an embodiment of the present invention;

FIG. 3 is a schematic view of a cartridge provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of a protective cover provided in an embodiment of the present invention.

In the figure:

100. an end cap; 110. sinking a groove; 120. a first prismatic hole; 130. a limiting ring; 140. a convex ring; 200. a filter element; 210. a support framework; 211. a first annular plate; 212. a second annular plate; 213. a support bar; 220. filtering with a screen; 230. a communicating pipe; 231. a second prismatic hole; 300. a protective sleeve; 310. filtering holes; 320. and (7) connecting rings.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 4, in the embodiment of the present invention, a filter element mounting structure of a self-cleaning air filter device is disclosed, which includes an end cap 100, a filter element 200, and a protective cover 300; a circular sinking groove 110 is concavely arranged in the middle of the bottom surface of the end cover 100, threads are arranged on the inner wall of the sinking groove 110, a first prism hole 120 is arranged in the middle of the top surface of the end cover 100, and the first prism hole 120 is communicated with the sinking groove 110 to provide a mounting position for a filter element and also provide a foundation for conducting and ventilating; the filter element 200 comprises a support framework 210 and a filter screen 220 coated outside the support framework 210, a communicating pipe 230 is fixedly arranged at the top end of the support framework 210, the outer diameter of the communicating pipe 230 is matched with the inner diameter of the sink 110 and is fixedly connected with the sink through threads, so that the filter element and an end cover can be matched in threaded connection, and the filter element is convenient to disassemble and assemble;

the top end of the protective sleeve 300 is fixedly arranged on the bottom surface of the end cover 100, the outer wall of the top end of the protective sleeve 300 is fixedly provided with the connecting ring 320, the outer diameter of the connecting ring 320 is smaller than that of the end cover 100, the protective sleeve 300 is fixed on the bottom surface of the end cover 100 through screws penetrating through the connecting ring 320 and can be conveniently disassembled and assembled, the protective sleeve 300 covers the outer side of the filter element 200, the outer wall of the protective sleeve 300 is provided with the filter holes 310 which are distributed densely, and the filter element can be protected under the condition that normal gas circulation is not influenced; the outer wall of the end cap 100 is threaded and can be used to fit with a filter device and also can be conveniently disassembled from an external filter device.

The filter element mounting structure of the self-cleaning air filtering device is novel in structure, comprises the end cover, the filter element and the protective sleeve which are assembled and matched, is convenient to produce and assemble, is convenient to overhaul or replace, and is convenient to use; moreover, the protective sleeve is covered outside the filter element, so that the filter element can be covered and protected, and the filter element can be effectively prevented from being damaged by collision under the condition of not influencing normal filtration; and the design in first prism hole can make things convenient for use tool to rotate the end cover to make things convenient for whole and filter equipment to carry out threaded connection cooperation installation.

Further, the fixed spacing ring 130 that is equipped with in outer wall top of end cover 100, the external diameter of spacing ring 130 is greater than the diameter of end cover 100, and the design of spacing ring can make the top outside of end cover form the arch, carries out the screens when making it and outside filter equipment installation, carries out firm connection.

Further, the supporting framework 210 includes a first annular plate 211, a second annular plate 212, and a plurality of supporting rods 213 for connecting the first annular plate 211 and the second annular plate 212, the plurality of supporting rods 213 are distributed in a circumferential array around an axis of the first annular plate 211, the communicating pipe 230 is fixed on a top surface of the first annular plate 211, and an inner diameter of the communicating pipe 230 is the same as an inner diameter of the first annular plate 211; the support framework has a large enough space so as to facilitate the smooth flow of gas, and the filtering area can be enlarged to effectively filter the gas.

Further, first annular plate 211, second annular plate 212, bracing piece 213, communicating pipe 230 structure as an organic whole improves the structural strength of support chassis self, guarantees the structural stability of whole filter core.

Further, the top end of the inner wall of the communicating pipe 230 is a second prism hole 231, the second prism hole 231 is opposite to the corner of the first prism hole 120, and the maximum aperture of the second prism hole 231 is smaller than the minimum aperture of the first prism hole 120, and by means of the structural design, a corresponding tool can be conveniently inserted into the first prism hole, so that the filter element is rotated, and the filter element is stably connected with the end cover.

Further, the top surface of the end cover 100 is fixedly provided with the convex ring 140, the inner diameter of the convex ring 140 is larger than the outer diameter of the first prism hole 120, and the inner wall of the convex ring 140 is provided with a threaded hole.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. The utility model provides a self-cleaning formula air filter's filter core mounting structure which characterized in that:

comprises an end cover, a filter element and a protective sleeve;

the middle part of the bottom surface of the end cover is concavely provided with a circular sinking groove, the inner wall of the sinking groove is provided with threads, the middle part of the top surface of the end cover is provided with a first prismatic hole, and the first prismatic hole is communicated with the sinking groove;

the filter element comprises a support framework and a filter screen coated outside the support framework, a communicating pipe is fixedly arranged at the top end of the support framework, and the outer diameter of the communicating pipe is matched with the inner diameter of the sink tank and is fixedly connected with the sink tank through threads;

the top end of the protective sleeve is fixed on the bottom surface of the end cover, the protective sleeve is covered on the outer side of the filter element, and the outer wall of the protective sleeve is provided with densely distributed filter holes; the outer wall of end cover is equipped with the screw thread, can be used for installing the cooperation with filter equipment.

2. A filter cartridge mounting structure for a self-cleaning air filter unit in accordance with claim 1, wherein:

the top of the outer wall of the end cover is fixedly provided with a limiting ring, and the outer diameter of the limiting ring is larger than the diameter of the end cover.

3. A filter cartridge mounting structure for a self-cleaning air filter unit in accordance with claim 1, wherein:

the supporting framework comprises a first annular plate, a second annular plate and a plurality of supporting rods for connecting the first annular plate and the second annular plate, the supporting rods are distributed in a circumferential array mode around the axis of the first annular plate, the communicating pipe is fixedly arranged on the top face of the first annular plate, and the inner diameter of the communicating pipe is the same as that of the first annular plate.

4. A filter cartridge mounting structure for a self-cleaning air filter unit in accordance with claim 2, wherein:

the first annular plate, the second annular plate, the supporting rod and the communicating pipe are of an integral structure.

5. A filter cartridge mounting structure for a self-cleaning air filter unit in accordance with claim 1, wherein:

the fixed go-between that is equipped with of top outer wall of lag, the external diameter of go-between is less than the external diameter of end cover, and the lag is fixed in the bottom surface of end cover through the screw that runs through the go-between.

6. A filter cartridge mounting structure for a self-cleaning air filter unit in accordance with claim 1, wherein:

the top end of the inner wall of the communicating pipe is provided with a second prism hole, the second prism hole is opposite to the corner of the first prism hole, and the maximum aperture of the second prism hole is smaller than the minimum aperture of the first prism hole.

7. A filter cartridge mounting structure for a self-cleaning air filter unit in accordance with claim 1, wherein:

the top surface of end cover is fixed and is equipped with the bulge loop, and the internal diameter of bulge loop is greater than the external diameter in first prism hole, and the inner wall of bulge loop is equipped with the screw hole.