CN217490209U

CN217490209U - Environment-friendly silicon-based filter material

Info

Publication number: CN217490209U
Application number: CN202122342176.3U
Authority: CN
Inventors: 刘小平
Original assignee: Huating Nano Technology Shanghai Co ltd
Current assignee: Huating Nano Technology Shanghai Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-09-27
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a silica-based filter media of environment-friendly, include: the plastic pipe fitting comprises an outer pipe section and an inner pipe section which are detachably and coaxially sleeved, the inner pipe section is positioned in an inner cavity of the exhaust pipe, the outer pipe section is partially exposed out of an air inlet port of the exhaust pipe, the axes of the outer pipe section and the inner pipe section are parallel to the axial direction of the exhaust pipe, and a circle of inner positioning bulges coaxial with the outer pipe section are arranged on the inner peripheral wall of the outer pipe section; the whole filter layer group that forms for the plectane structure, by the laminating of a plurality of ventilative filter membrane layer upon layer, leave annular filter layer draw-in groove between the interior location arch of the terminal surface outward of interior pipeline section and outer pipeline section, filter layer group plug-in connection filter layer draw-in groove just is in the inner chamber of plastics pipe fitting. Thereby facilitating removal and replacement of the filter bed stack.

Description

Environment-friendly silicon-based filter material

Technical Field

The utility model relates to a filtering material technical field particularly, is a silica-based filter media of environment-friendly.

Background

Currently, silicon-based filters have been used, mainly installed in exhaust pipes (generally with built-in suction fans) of workshops, for filtering polluting gases (such as formaldehyde) in the workshops. However, since the filter medium is likely to accumulate a lot of dirt after long-term use, it needs to be replaced periodically, but the filter medium is often troublesome to detach the fastener or remove the screw.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an environment-friendly silica-based filter media, make it be convenient for change, fix a position.

The purpose of the utility model is realized like this: the utility model provides an environment-friendly silica-based filter media, cartridge include in the inlet port of circular shape blast pipe:

the circular pipe-shaped plastic pipe fitting is communicated with the exhaust pipe and comprises an outer pipe section and an inner pipe section which are detachably and coaxially sleeved, the inner pipe section is positioned in an inner cavity of the exhaust pipe, the outer pipe section is partially exposed out of an air inlet port of the exhaust pipe, the axial lines of the outer pipe section and the inner pipe section are parallel to the axial direction of the exhaust pipe, and a circle of inner positioning bulges coaxial with the outer pipe section are arranged on the inner peripheral wall of the outer pipe section;

the plastic pipe fitting is characterized in that the whole plastic pipe fitting is a filtering layer group which is of a circular plate structure and formed by laminating a plurality of breathable filtering films layer by layer, the axis of the plastic pipe fitting is perpendicular to the plate surface of the filtering layer group, an annular filtering layer clamping groove is reserved between the outward end surface of the inner pipe section and the inner positioning bulge of the outer pipe section, and the filtering layer group is inserted into the filtering layer clamping groove and is positioned in the inner cavity of the plastic pipe fitting;

wherein, the filter layer group at least comprises a silicon dioxide filter layer with a porous structure;

the fixed suit of outer tube section periphery wall is rather than coaxial, by the first sealing washer that rubber was made, the fixed suit of interior tube section periphery wall is rather than coaxial, by the second sealing washer that rubber was made, the outer disc limit and the laminating of blast pipe inner wall of first sealing washer, second sealing washer are contradicted.

Furthermore, a part of the inner cavity of the outer pipe section is provided with an internal screw hole, a part of the outer wall of the inner pipe section is provided with an external screw thread, and the internal screw hole of the outer pipe section is matched with the external screw thread of the inner pipe section.

Furthermore, the outer pipe section is of a reducing pipe structure, the outer diameter of the part of the outer pipe section, which is exposed out of the air inlet port of the exhaust pipe, is the widest, an outer conical surface of a conical surface structure is formed at the reducing part of the outer pipe section, and the outer conical surface abuts against the air inlet port of the exhaust pipe in an installation state.

Further, the filtering layer group comprises an outer protective net and an inner protective net, and the outer protective net, the silicon dioxide filtering layer and the inner protective net are sequentially attached according to the airflow direction.

Further, outer tube section periphery wall is equipped with the round rather than coaxial first seal groove, the first seal groove of the fixed cartridge of first sealing washer.

Furthermore, the periphery wall of the inner pipe section is provided with a circle of second sealing grooves coaxial with the inner pipe section, and the second sealing rings are fixedly inserted into the second sealing grooves.

The beneficial effects of the utility model reside in that:

1. when the filter layer group is replaced, the plastic pipe fitting is pulled down, the outer pipe section or the inner pipe section is screwed down, the old filter layer group can be removed, so that a new filter layer group can be replaced, and then the outer pipe section and the inner pipe section are butted to form a filter layer clamping groove to fix the position of the filter layer group;

2. the axial position of the plastic pipe fitting can be properly locked by utilizing the friction action of the first sealing ring and the second sealing ring with the inner wall of the exhaust pipe, so that the plastic pipe fitting can be quickly disassembled and assembled.

Drawings

Fig. 1 is a schematic sectional view of the installation of the present invention.

Fig. 2 is an axial cross-sectional view of the outer tube section.

Fig. 3 is an axial cross-sectional view of the inner tube section.

Detailed Description

The invention will be further described with reference to the accompanying figures 1-3 and the specific embodiments.

As shown in fig. 1-3, an environment-friendly silicon-based filter material is inserted into an air inlet of a circular exhaust pipe 9, and includes:

the circular tube-shaped plastic pipe fitting communicated with the exhaust pipe 9 comprises an outer pipe section 1 and an inner pipe section 2 which are detachably and coaxially sleeved, wherein the inner pipe section 2 is positioned in an inner cavity of the exhaust pipe 9, the outer pipe section 1 is partially exposed out of an air inlet port of the exhaust pipe 9, the axes of the outer pipe section 1 and the inner pipe section 2 are parallel to the axial direction of the exhaust pipe 9, and the inner peripheral wall of the outer pipe section 1 is provided with a circle of inner positioning protrusions 1d which are coaxial with the inner positioning protrusions;

wholly be the plectane structure, by the filter layer group that a plurality of ventilative filter membrane laminated and form layer upon layer, the axis perpendicular to filter layer group's of plastics pipe fitting face leaves annular filter layer draw-in groove 8 between the terminal surface outwards of inner tube section 2 and the interior location arch 1d of outer tube section 1, and filter layer group plug-in filter layer draw-in groove 8 just is in the inner chamber of plastics pipe fitting.

Wherein, the filtering layer group includes a layer of porous structure's silica filtering layer 6, and the filtering layer group still includes outer protection network 5 and interior protection network 7, and according to the air current direction, outer protection network 5, silica filtering layer 6, interior protection network 7 laminate in proper order.

The outer peripheral wall of the outer pipe section 1 is fixedly sleeved with a first sealing ring 3 which is coaxial with the outer peripheral wall and is made of rubber, the outer peripheral wall of the inner pipe section 2 is fixedly sleeved with a second sealing ring 4 which is coaxial with the outer peripheral wall and is made of rubber, and the outer circular edges of the first sealing ring 3 and the second sealing ring 4 are attached to and abutted against the inner wall of the exhaust pipe 9.

One part of the inner cavity of the outer pipe section 1 is provided with an inner screw hole 1a, one part of the outer wall of the inner pipe section 2 is provided with an outer screw thread 2a, and the inner screw hole 1a of the outer pipe section 1 is matched with the outer screw thread 2a of the inner pipe section 2.

The outer pipe section 1 is of a reducing pipe structure, the outer diameter of the part, exposed out of the air inlet port of the exhaust pipe 9, of the outer pipe section 1 is the widest, an outer conical surface 1b of a conical surface structure is formed at the reducing part of the outer wall of the outer pipe section 1, and the outer conical surface 1b abuts against the air inlet port of the exhaust pipe 9 in the installation state.

The outer peripheral wall of the outer pipe section 1 is provided with a circle of first sealing groove 1c coaxial with the outer peripheral wall, the first sealing ring 3 is fixedly inserted into the first sealing groove 1c, the outer peripheral wall of the inner pipe section 2 is provided with a circle of second sealing groove 2b coaxial with the outer peripheral wall, and the second sealing ring 4 is fixedly inserted into the second sealing groove 2 b.

When changing the filter layer group, pull out the plastics pipe fitting, unscrew outer tube section 1 or inner tube section 2, alright demolish old filter layer group to change new filter layer group, then with outer tube section 1 and the butt joint of inner tube section 2, form filter layer draw-in groove 8 in order to fix the position of filter layer group.

Then, the axial position of the plastic pipe is properly locked by the friction action of the first sealing ring 3 and the second sealing ring 4 with the inner wall of the exhaust pipe 9, and the axial limit position of the plastic pipe is limited by the abutment of the outer conical surface 1b of the outer wall of the outer pipe section 1 against the inner edge of the air inlet port of the exhaust pipe 9.

The above are preferred embodiments of the present invention, and those skilled in the art can make various changes or improvements on the above embodiments without departing from the general concept of the present invention, and such changes or improvements should fall within the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly silica-based filter media, the cartridge is in the inlet port of circular shape blast pipe (9), its characterized in that includes:

the circular tube-shaped plastic pipe fitting is communicated with the exhaust pipe (9) and comprises an outer pipe section (1) and an inner pipe section (2) which are detachably and coaxially sleeved, wherein the inner pipe section (2) is positioned in an inner cavity of the exhaust pipe (9), the outer pipe section (1) partially exposes out of an air inlet port of the exhaust pipe (9), the axes of the outer pipe section (1) and the inner pipe section (2) are parallel to the axial direction of the exhaust pipe (9), and a circle of inner positioning protrusions (1d) coaxial with the outer pipe section are arranged on the inner peripheral wall of the outer pipe section (1);

the integral filter layer group is of a circular plate structure and formed by laminating a plurality of breathable filter membranes layer by layer, the axis of the plastic pipe fitting is perpendicular to the plate surface of the filter layer group, an annular filter layer clamping groove (8) is reserved between the outward end surface of the inner pipe section (2) and an inner positioning bulge (1d) of the outer pipe section (1), and the filter layer group is inserted into the filter layer clamping groove (8) and is positioned in the inner cavity of the plastic pipe fitting;

wherein, the filter layer group at least comprises a silicon dioxide filter layer (6) with a porous structure;

the fixed suit of outer pipeline section (1) periphery wall is one rather than coaxial, first sealing washer (3) made by rubber, the fixed suit of interior pipeline section (2) periphery wall is one rather than coaxial, by second sealing washer (4) that rubber made, the outer round limit of first sealing washer (3), second sealing washer (4) is laminated and is contradicted with blast pipe (9) inner wall.

2. The environment-friendly silicon-based filter material of claim 1, wherein: one part of the inner cavity of the outer pipe section (1) is provided with an inner screw hole (1a), one part of the outer wall of the inner pipe section (2) is provided with an outer screw thread (2a), and the inner screw hole (1a) of the outer pipe section (1) is matched with the outer screw thread (2a) of the inner pipe section (2).

3. The environment-friendly silicon-based filter material as claimed in claim 1, wherein: the outer pipe section (1) is of a reducing pipe structure, the outer diameter of the part, exposed out of the air inlet port of the exhaust pipe (9), of the outer pipe section (1) is widest, an outer conical surface (1b) of a conical surface structure is formed at the reducing position of the outer wall of the outer pipe section (1), and the outer conical surface (1b) abuts against the air inlet port of the exhaust pipe (9) in the installation state.

4. The environment-friendly silicon-based filter material as claimed in claim 1, wherein: the filtering layer group comprises an outer protective net (5) and an inner protective net (7), and the outer protective net (5), the silicon dioxide filtering layer (6) and the inner protective net (7) are sequentially attached to each other according to the airflow direction.

5. The environment-friendly silicon-based filter material as claimed in claim 1, wherein: the outer pipe section (1) periphery wall is equipped with round rather than coaxial first seal groove (1c), first seal ring (3) fixed cartridge first seal groove (1 c).

6. The environment-friendly silicon-based filter material as claimed in claim 1, wherein: the periphery wall of the inner pipe section (2) is provided with a circle of second sealing groove (2b) coaxial with the inner pipe section, and the second sealing ring (4) is fixedly inserted into the second sealing groove (2 b).