CN215276319U

CN215276319U - Spiral air filter screen

Info

Publication number: CN215276319U
Application number: CN202121605452.4U
Authority: CN
Inventors: 祝丽; 周为民
Original assignee: Yinuoyun Technology Wuhan Co ltd
Current assignee: Yinuoyun Technology Wuhan Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-24
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a spiral air filter screen, including barrel and filtering component, the inboard of barrel is equipped with spiral water conservancy diversion piece, filtering component includes three frame, the equipartition has two locating holes on the frame, filtering component's below symmetry is equipped with the reference column, be equipped with two blind holes on the outer wall of reference column, the top of reference column is equipped with fixed block, every all alternate on the outer wall of fixed block and be provided with the fixed block, alternate on the fixed block and be provided with the slide bar, the pipe cap is installed to the one end of slide bar, just the cover is equipped with coil spring on the outer wall of slide bar. The utility model discloses a spiral water conservancy diversion piece makes the air just take place to rotate when inhaling, increases the velocity of flow to be afraid of the liquid that inhales similar rainwater and so on, through reference column, locating hole and fixed block, accomplished the installation of three filter screen, thereby not only increased the function of filter screen, and the dismouting is simple, has made things convenient for user's later stage to wash the filter screen.

Description

Spiral air filter screen

Technical Field

The utility model relates to a audio amplifier field, concretely relates to spiral air filter screen.

Background

The sound box is a device capable of converting an audio signal into sound, and in a popular way, the sound box is a terminal of the whole sound system, and the sound box is used for converting audio electric energy into corresponding sound energy and radiating the sound energy to a space.

Current airstrainer only has the effect of filtering the dust, and the function is single, and generally use the bolt fastening, and the installation is loaded down with trivial details, dismantles inconveniently, leads to the later stage clearance comparatively troublesome.

Therefore, it is desirable to provide a spiral air screen that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral air filter screen to solve current air filter screen and only have the effect of filtering the dust, the function singleness, and generally use the bolt fastening, it is loaded down with trivial details to install, and it is inconvenient to dismantle, leads to the comparatively trouble problem of later stage clearance.

In order to achieve the above object, the present invention provides the following technical solutions: the spiral air filter screen comprises a cylinder body and a filter assembly, wherein a spiral flow deflector is arranged on the inner side of the cylinder body and fixedly connected with the inner wall of the cylinder body, the filter assembly comprises three frames, two positioning holes are uniformly distributed on the frames, positioning columns are symmetrically arranged below the filter assembly and matched with the positioning holes, two blind holes are formed in the outer wall of each positioning column, fixing caps are arranged above the positioning columns, two fixing caps are arranged on the fixing caps, the fixing caps correspond to the positioning columns one to one, a fixing block is arranged on the outer wall of each fixing cap in an inserting mode, two fixing blocks are arranged and symmetrically arranged, sliding rods are arranged on the fixing blocks in an inserting mode and are connected with the fixing blocks in a sliding mode, one end of each sliding rod is connected with the blind holes in an inserting mode, and a circular tube cap is installed at the other end of each sliding rod, and the outer wall of the sliding rod is sleeved with a spiral spring, and two ends of the spiral spring are respectively fixedly connected with the circular tube cap and the fixing block.

Preferably, the cross-section of the three frame is annular, and is three the inboard of frame is equipped with first metal filter screen, active carbon filter screen and second metal filter screen respectively, first metal filter screen, active carbon filter screen and second metal filter screen all with the inner wall fixed connection of frame.

Preferably, the mesh aperture of the first metal filter screen is larger than that of the activated carbon filter screen, the mesh aperture of the activated carbon filter screen is larger than that of the second metal filter screen, and the thickness of the activated carbon filter screen is larger than that of the first metal filter screen and that of the second metal filter screen.

Preferably, the fixed plates are arranged below the positioning columns, the two fixed plates are symmetrically arranged, and one end of each fixed plate is fixedly connected with the inner wall of the barrel.

Preferably, the fixed plates correspond to the positioning columns one to one, each fixed plate is provided with a threaded hole, and the positioning columns are matched with the threaded holes.

Preferably, the outer wall of one end of the cylinder body is provided with external threads, the outer wall of the other end of the cylinder body is fixedly provided with an anti-slip sleeve, and the outer wall of the anti-slip sleeve is provided with anti-slip lines.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the spiral flow deflector is used for enabling air to rotate when being sucked, the flow speed is increased, liquid similar to rainwater is not afraid of being sucked, when the filter screens are installed, three filter screens are sequentially installed through matching of the positioning column and the positioning hole, then the round pipe cap is outwards pulled by hands and the fixing cover cap is covered on the positioning column, the sliding rod can be aligned to the blind hole at the moment, the round pipe cap is loosened, the sliding rod is inserted into the blind hole through the elasticity of the spiral spring, and the installation of the three filter screens is completed, so that the functions of the filter screens are increased, the filter screens are simple to assemble and disassemble, and convenience is brought to a user for cleaning the filter screens in the later period;

2. through setting up impurity such as the external large granule dust of first metal filter screen filtration near barrel air intake position, and the active carbon filter screen plays the deodorization, adsorbs the effect of peculiar smell, and second metal filter screen is the nanometer filter screen, and the aperture is generally not more than 350nm, can filter small particle through second metal filter screen, and first metal filter screen and second metal filter screen still have the effect of supporting the active carbon filter screen simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the barrel of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic structural view of the fixing cap of the present invention;

fig. 5 is a schematic structural diagram of the filter assembly of the present invention.

Description of reference numerals:

1. a barrel; 2. a frame; 3. an anti-slip sleeve; 4. a spiral flow deflector; 5. a fixing plate; 6. a positioning column; 7. blind holes; 8. a threaded hole; 9. fixing the cap; 10. a fixed block; 11. a slide bar; 12. a circular pipe cap; 13. a coil spring; 14. positioning holes; 15. a first metal screen; 16. an activated carbon filter screen; 17. a second metal screen.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a spiral air filter screen as shown in figures 1-5, which comprises a barrel body 1 and a filter assembly, wherein the inner side of the barrel body 1 is provided with a spiral flow deflector 4, the spiral flow deflector 4 is fixedly connected with the inner wall of the barrel body 1, the filter assembly comprises three frames 2, two positioning holes 14 are uniformly distributed on the frames 2, positioning columns 6 are symmetrically arranged below the filter assembly, the positioning columns 6 are matched with the positioning holes 14, the outer wall of the positioning columns 6 is provided with two blind holes 7, fixing caps 9 are arranged above the positioning columns 6, the fixing caps 9 are provided with two, the fixing caps 9 are in one-to-one correspondence with the positioning columns 6, the outer wall of each fixing cap 9 is provided with two fixing blocks 10 in a penetrating way, the fixing blocks 10 are provided with two and are symmetrically arranged, and sliding rods 11 are arranged on the fixing blocks 10 in a penetrating way, slide bar 11 and fixed block 10 sliding connection, slide bar 11's one end and blind hole 7 plug-in connection, circular tube cap 12 is installed to the other end, just the cover is equipped with coil spring 13 on slide bar 11's the outer wall, coil spring 13's both ends respectively with circular tube cap 12 and fixed block 10 fixed connection.

Further, in above-mentioned technical scheme, it is three the cross-section of frame 2 is the annular, and is three the inboard of frame 2 is equipped with first metal filter screen 15, active carbon filter screen 16 and second metal filter screen 17 respectively, first metal filter screen 15, active carbon filter screen 16 and second metal filter screen 17 all with frame 2's inner wall fixed connection, through setting up at the first metal filter screen 15 that is close to barrel 1 air intake position impurity such as external large granule dust of filtration, and active carbon filter screen 16 plays the deodorization, the effect of adsorbing the peculiar smell, second metal filter screen 17 is the nanometer level filter screen, the aperture is generally not more than 350nm, filter tiny granule through second metal filter screen 17, first metal filter screen 15 and second metal filter screen 17 still have the effect of supporting active carbon filter screen 16 simultaneously.

Further, in the above technical solution, the aperture of the mesh of the first metal screen 15 is larger than the aperture of the mesh of the activated carbon screen 16, the aperture of the mesh of the activated carbon screen 16 is larger than the aperture of the mesh of the second metal screen 17, and the thickness of the activated carbon screen 16 is larger than the first metal screen 15 and the second metal screen 17.

Further, in the above technical scheme, fixed plates 5 are arranged below the positioning columns 6, the fixed plates 5 are symmetrically arranged, one end of each fixed plate 5 is fixedly connected with the inner wall of the barrel 1, and the positioning columns 6 are supported by the fixed plates 5.

Furthermore, in the above technical scheme, the fixed plate 5 corresponds to the positioning columns 6 one by one, each of the fixed plates 5 is provided with a threaded hole 8, the positioning columns 6 are matched with the threaded holes 8, the positioning columns 6 are installed through threaded connection, and the disassembly is convenient.

Further, in above-mentioned technical scheme, be equipped with the external screw thread on the one end outer wall of barrel 1, fixed mounting has antiskid cover 3 on the other end outer wall, seted up anti-skidding line on antiskid cover 3's the outer wall, can install barrel 1 on my wind kinetic energy sound wave transmission system's of developing air intake through threaded connection, not only dismantle the convenience, and the later stage of being convenient for washs the filter screen, through the friction between 3 increases of antiskid cover and the hand, reaches the purpose that prevents the hand cunning.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, the spiral flow deflector 4 enables air to rotate when being sucked, flow speed is increased, and liquid similar to rainwater is not afraid of being sucked, when the filter screen is installed, three filter screens are sequentially installed through matching of the positioning column 6 and the positioning hole 14, then the round pipe cap 12 is pulled outwards by hand and the fixing cap 9 is covered on the positioning column 6, at the moment, the sliding rod 11 can be aligned with the blind hole 7, the round pipe cap 12 is loosened, the sliding rod 11 is inserted into the blind hole 7 through the elasticity of the spiral spring 13, and installation of the three filter screens is completed, so that the functions of the filter screen are increased, the assembly and disassembly are simple, and convenience is brought to a user for cleaning the filter screen at the later stage;

referring to the attached drawings 1-5 of the specification, the first metal filter screen 15 arranged at the position close to the air inlet of the cylinder body 1 is used for filtering impurities such as large particle dust outside, the active carbon filter screen 16 has the functions of deodorization and peculiar smell adsorption, the second metal filter screen 17 is used for filtering micro particles, the second metal filter screen 17 is a nano-scale filter screen, the aperture is generally not more than 350nm, and meanwhile, the first metal filter screen 15 and the second metal filter screen 17 also have the function of supporting the active carbon filter screen 16.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. Spiral air filter screen, including barrel (1) and filtering component, its characterized in that: the inner side of the barrel body (1) is provided with a spiral flow deflector (4), the spiral flow deflector (4) is fixedly connected with the inner wall of the barrel body (1), the filtering assembly comprises three frames (2), two positioning holes (14) are uniformly distributed on the frames (2), positioning columns (6) are symmetrically arranged below the filtering assembly, the positioning columns (6) are matched with the positioning holes (14), two blind holes (7) are formed in the outer wall of each positioning column (6), two fixing caps (9) are arranged above the positioning columns (6), two fixing caps (9) are arranged, the fixing caps (9) correspond to the positioning columns (6) one by one, fixed blocks (10) are arranged on the outer wall of each fixing cap (9) in an alternating mode, two fixing blocks (10) are arranged in a symmetrical mode, sliding rods (11) are arranged on the fixing blocks (10) in an alternating mode, slide bar (11) and fixed block (10) sliding connection, the one end and blind hole (7) plug-in connection of slide bar (11), pipe cap (12) are installed to the other end, just the cover is equipped with coil spring (13) on the outer wall of slide bar (11), the both ends of coil spring (13) respectively with pipe cap (12) and fixed block (10) fixed connection.

2. The spiral air screen of claim 1, wherein: it is three the cross-section of frame (2) is the annular, and is three the inboard of frame (2) is equipped with first metal filter screen (15), active carbon filter screen (16) and second metal filter screen (17) respectively, first metal filter screen (15), active carbon filter screen (16) and second metal filter screen (17) all with the inner wall fixed connection of frame (2).

3. The spiral air screen of claim 2, wherein: the mesh aperture of first metal filter screen (15) is greater than the mesh aperture of active carbon filter screen (16), the mesh aperture of active carbon filter screen (16) is greater than the mesh aperture of second metal filter screen (17), just the thickness of active carbon filter screen (16) is greater than first metal filter screen (15) and second metal filter screen (17).

4. The spiral air screen of claim 1, wherein: the fixing device is characterized in that a fixing plate (5) is arranged below the positioning column (6), two fixing plates (5) are symmetrically arranged, and each fixing plate (5) is fixedly connected with the inner wall of the barrel body (1).

5. The spiral air screen of claim 4, wherein: the fixing plate (5) corresponds to the positioning columns (6) one by one, each fixing plate (5) is provided with a threaded hole (8), and the positioning columns (6) are matched with the threaded holes (8).

6. The spiral air screen of claim 1, wherein: the anti-skidding barrel is characterized in that an external thread is arranged on the outer wall of one end of the barrel body (1), an anti-skidding sleeve (3) is fixedly mounted on the outer wall of the other end of the barrel body, and anti-skidding lines are formed in the outer wall of the anti-skidding sleeve (3).